vcs.maemo.org Git - monky/blob - src/conky.c

   1 /* -*- mode: c; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: t -*-
   2  * vim: ts=4 sw=4 noet ai cindent syntax=c
   3  *
   4  * Conky, a system monitor, based on torsmo
   5  *
   6  * Any original torsmo code is licensed under the BSD license
   7  *
   8  * All code written since the fork of torsmo is licensed under the GPL
   9  *
  10  * Please see COPYING for details
  11  *
  12  * Copyright (c) 2004, Hannu Saransaari and Lauri Hakkarainen
  13  * Copyright (c) 2005-2009 Brenden Matthews, Philip Kovacs, et. al.
  14  *      (see AUTHORS)
  15  * All rights reserved.
  16  *
  17  * This program is free software: you can redistribute it and/or modify
  18  * it under the terms of the GNU General Public License as published by
  19  * the Free Software Foundation, either version 3 of the License, or
  20  * (at your option) any later version.
  21  *
  22  * This program is distributed in the hope that it will be useful,
  23  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  24  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  25  * GNU General Public License for more details.
  26  * You should have received a copy of the GNU General Public License
  27  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  28  *
  29  */
  30
  31 #include "config.h"
  32 #include "text_object.h"
  33 #include "conky.h"
  34 #include "common.h"
  35 #include "timed_thread.h"
  36 #include <stdarg.h>
  37 #include <math.h>
  38 #include <time.h>
  39 #include <locale.h>
  40 #include <signal.h>
  41 #include <errno.h>
  42 #include <limits.h>
  43 #if HAVE_DIRENT_H
  44 #include <dirent.h>
  45 #endif
  46 #include <sys/time.h>
  47 #include <sys/param.h>
  48 #ifdef HAVE_SYS_INOTIFY_H
  49 #include <sys/inotify.h>
  50 #endif /* HAVE_SYS_INOTIFY_H */
  51 #ifdef X11
  52 #include "x11.h"
  53 #include <X11/Xutil.h>
  54 #ifdef HAVE_XDAMAGE
  55 #include <X11/extensions/Xdamage.h>
  56 #endif
  57 #ifdef IMLIB2
  58 #include "imlib2.h"
  59 #endif /* IMLIB2 */
  60 #endif /* X11 */
  61 #include <sys/types.h>
  62 #include <sys/stat.h>
  63 #include <netinet/in.h>
  64 #include <netdb.h>
  65 #include <fcntl.h>
  66 #include <getopt.h>
  67 #ifdef NCURSES
  68 #include <ncurses.h>
  69 #endif
  70 #ifdef XOAP
  71 #include <libxml/parser.h>
  72 #endif /* XOAP */
  73
  74 /* local headers */
  75 #include "core.h"
  76 #include "algebra.h"
  77 #include "build.h"
  78 #include "colours.h"
  79 #include "combine.h"
  80 #include "diskio.h"
  81 #include "exec.h"
  82 #ifdef X11
  83 #include "fonts.h"
  84 #endif
  85 #include "fs.h"
  86 #ifdef HAVE_ICONV
  87 #include "iconv_tools.h"
  88 #endif
  89 #include "logging.h"
  90 #include "mixer.h"
  91 #include "mail.h"
  92 #include "mboxscan.h"
  93 #include "net_stat.h"
  94 #ifdef NVIDIA
  95 #include "nvidia.h"
  96 #endif
  97 #include "read_tcp.h"
  98 #include "scroll.h"
  99 #include "specials.h"
 100 #include "temphelper.h"
 101 #include "template.h"
 102 #include "tailhead.h"
 103 #include "timeinfo.h"
 104 #include "top.h"
 105
 106 /* check for OS and include appropriate headers */
 107 #if defined(__linux__)
 108 #include "linux.h"
 109 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
 110 #include "freebsd.h"
 111 #elif defined(__OpenBSD__)
 112 #include "openbsd.h"
 113 #endif
 114
 115 #if defined(__FreeBSD_kernel__)
 116 #include <bsd/bsd.h>
 117 #endif
 118
 119 /* FIXME: apm_getinfo is unused here. maybe it's meant for common.c */
 120 #if (defined(__FreeBSD__) || defined(__FreeBSD_kernel__) \
 121                 || defined(__OpenBSD__)) && (defined(i386) || defined(__i386__))
 122 int apm_getinfo(int fd, apm_info_t aip);
 123 char *get_apm_adapter(void);
 124 char *get_apm_battery_life(void);
 125 char *get_apm_battery_time(void);
 126 #endif
 127
 128 #ifdef CONFIG_OUTPUT
 129 #include "defconfig.h"
 130 #include "conf_cookie.h"
 131 #endif
 132
 133 #ifndef S_ISSOCK
 134 #define S_ISSOCK(x)   ((x & S_IFMT) == S_IFSOCK)
 135 #endif
 136
 137 #define MAIL_FILE "$MAIL"
 138 #define MAX_IF_BLOCK_DEPTH 5
 139
 140 //#define SIGNAL_BLOCKING
 141 #undef SIGNAL_BLOCKING
 142
 143 /* debugging level, used by logging.h */
 144 int global_debug_level = 0;
 145
 146 /* two strings for internal use */
 147 static char *tmpstring1, *tmpstring2;
 148
 149 /* variables holding various config settings */
 150 int short_units;
 151 int format_human_readable;
 152 int cpu_separate;
 153 enum {
 154         NO_SPACER = 0,
 155         LEFT_SPACER,
 156         RIGHT_SPACER
 157 } use_spacer;
 158 int top_cpu, top_mem, top_time;
 159 #ifdef IOSTATS
 160 int top_io;
 161 #endif
 162 #ifdef __linux__
 163 int top_running;
 164 #endif
 165 static unsigned int top_name_width = 15;
 166 int output_methods;
 167 static int extra_newline;
 168 enum x_initialiser_state x_initialised = NO;
 169 static volatile int g_signal_pending;
 170 /* Update interval */
 171 double update_interval;
 172 double update_interval_old;
 173 double update_interval_bat;
 174 void *global_cpu = NULL;
 175
 176 int argc_copy;
 177 char** argv_copy;
 178
 179 /* prototypes for internally used functions */
 180 static void signal_handler(int);
 181 static void print_version(void) __attribute__((noreturn));
 182 static void reload_config(void);
 183
 184 static void print_version(void)
 185 {
 186         printf(PACKAGE_NAME" "VERSION" compiled "BUILD_DATE" for "BUILD_ARCH"\n");
 187
 188         printf("\nCompiled in features:\n\n"
 189                    "System config file: "SYSTEM_CONFIG_FILE"\n"
 190                    "Package library path: "PACKAGE_LIBDIR"\n\n"
 191 #ifdef X11
 192                    " X11:\n"
 193 # ifdef HAVE_XDAMAGE
 194                    "  * Xdamage extension\n"
 195 # endif /* HAVE_XDAMAGE */
 196 # ifdef HAVE_XDBE
 197                    "  * XDBE (double buffer extension)\n"
 198 # endif /* HAVE_XDBE */
 199 # ifdef XFT
 200                    "  * Xft\n"
 201 # endif /* XFT */
 202 #endif /* X11 */
 203                    "\n Music detection:\n"
 204 #ifdef AUDACIOUS
 205                    "  * Audacious\n"
 206 #endif /* AUDACIOUS */
 207 #ifdef BMPX
 208                    "  * BMPx\n"
 209 #endif /* BMPX */
 210 #ifdef MPD
 211                    "  * MPD\n"
 212 #endif /* MPD */
 213 #ifdef MOC
 214                    "  * MOC\n"
 215 #endif /* MOC */
 216 #ifdef XMMS2
 217                    "  * XMMS2\n"
 218 #endif /* XMMS2 */
 219                    "\n General:\n"
 220 #ifdef HAVE_OPENMP
 221                    "  * OpenMP\n"
 222 #endif /* HAVE_OPENMP */
 223 #ifdef MATH
 224                    "  * math\n"
 225 #endif /* Math */
 226 #ifdef HDDTEMP
 227                    "  * hddtemp\n"
 228 #endif /* HDDTEMP */
 229 #ifdef TCP_PORT_MONITOR
 230                    "  * portmon\n"
 231 #endif /* TCP_PORT_MONITOR */
 232 #ifdef HAVE_CURL
 233                    "  * Curl\n"
 234 #endif /* HAVE_CURL */
 235 #ifdef RSS
 236                    "  * RSS\n"
 237 #endif /* RSS */
 238 #ifdef WEATHER
 239                    "  * Weather (METAR)\n"
 240 #ifdef XOAP
 241                    "  * Weather (XOAP)\n"
 242 #endif /* XOAP */
 243 #endif /* WEATHER */
 244 #ifdef HAVE_IWLIB
 245                    "  * wireless\n"
 246 #endif /* HAVE_IWLIB */
 247 #ifdef IBM
 248                    "  * support for IBM/Lenovo notebooks\n"
 249 #endif /* IBM */
 250 #ifdef NVIDIA
 251                    "  * nvidia\n"
 252 #endif /* NVIDIA */
 253 #ifdef EVE
 254                    "  * eve-online\n"
 255 #endif /* EVE */
 256 #ifdef CONFIG_OUTPUT
 257                    "  * config-output\n"
 258 #endif /* CONFIG_OUTPUT */
 259 #ifdef IMLIB2
 260                    "  * Imlib2\n"
 261 #endif /* IMLIB2 */
 262 #ifdef MIXER_IS_ALSA
 263                    "  * ALSA mixer support\n"
 264 #endif /* MIXER_IS_ALSA */
 265 #ifdef APCUPSD
 266                    "  * apcupsd\n"
 267 #endif /* APCUPSD */
 268 #ifdef IOSTATS
 269                    "  * iostats\n"
 270 #endif /* IOSTATS */
 271 #ifdef HAVE_LUA
 272                    "  * Lua\n"
 273                    "\n  Lua bindings:\n"
 274 #ifdef HAVE_LUA_CAIRO
 275                    "   * Cairo\n"
 276 #endif /* HAVE_LUA_CAIRO */
 277 #ifdef HAVE_LUA_IMLIB2
 278                    "   * Imlib2\n"
 279 #endif /* IMLIB2 */
 280 #endif /* HAVE_LUA */
 281         );
 282
 283         exit(EXIT_SUCCESS);
 284 }
 285
 286 static const char *suffixes[] = { "B", "KiB", "MiB", "GiB", "TiB", "PiB", "" };
 287
 288
 289 #ifdef X11
 290
 291 static void X11_create_window(void);
 292 static void X11_initialisation(void);
 293
 294 struct _x11_stuff_s {
 295         Region region;
 296 #ifdef HAVE_XDAMAGE
 297         Damage damage;
 298         XserverRegion region2, part;
 299         int event_base, error_base;
 300 #endif
 301 } x11_stuff;
 302
 303 /* text size */
 304
 305 static int text_start_x, text_start_y;  /* text start position in window */
 306 static int text_width, text_height;
 307
 308 /* alignments */
 309 enum alignment {
 310         TOP_LEFT = 1,
 311         TOP_RIGHT,
 312         TOP_MIDDLE,
 313         BOTTOM_LEFT,
 314         BOTTOM_RIGHT,
 315         BOTTOM_MIDDLE,
 316         MIDDLE_LEFT,
 317         MIDDLE_RIGHT,
 318         NONE
 319 };
 320
 321 /* display to connect to */
 322 static char *disp = NULL;
 323
 324 #endif /* X11 */
 325
 326 /* struct that has all info to be shared between
 327  * instances of the same text object */
 328 struct information info;
 329
 330 /* path to config file */
 331 char *current_config;
 332
 333 /* set to 1 if you want all text to be in uppercase */
 334 static unsigned int stuff_in_uppercase;
 335
 336 /* Run how many times? */
 337 static unsigned long total_run_times;
 338
 339 /* fork? */
 340 static int fork_to_background;
 341
 342 static int cpu_avg_samples, net_avg_samples, diskio_avg_samples;
 343
 344 /* filenames for output */
 345 char *overwrite_file = NULL; FILE *overwrite_fpointer = NULL;
 346 char *append_file = NULL; FILE *append_fpointer = NULL;
 347
 348 #ifdef X11
 349
 350 static int show_graph_scale;
 351 static int show_graph_range;
 352
 353 /* Position on the screen */
 354 static int text_alignment;
 355 static int gap_x, gap_y;
 356
 357 /* border */
 358 static int draw_borders;
 359 static int draw_graph_borders;
 360 static int stippled_borders;
 361
 362 int get_stippled_borders(void)
 363 {
 364         return stippled_borders;
 365 }
 366
 367 static int draw_shades, draw_outline;
 368
 369 long default_fg_color, default_bg_color, default_out_color;
 370
 371 /* create own window or draw stuff to root? */
 372 static int set_transparent = 0;
 373
 374 #ifdef OWN_WINDOW
 375 static int own_window = 0;
 376 static int background_colour = 0;
 377
 378 /* fixed size/pos is set if wm/user changes them */
 379 static int fixed_size = 0, fixed_pos = 0;
 380 #endif
 381
 382 static int minimum_width, minimum_height;
 383 static int maximum_width;
 384
 385 #endif /* X11 */
 386
 387 #ifdef __OpenBSD__
 388 static int sensor_device;
 389 #endif
 390
 391 long color0, color1, color2, color3, color4, color5, color6, color7, color8,
 392          color9;
 393
 394 /* maximum size of config TEXT buffer, i.e. below TEXT line. */
 395 unsigned int max_user_text;
 396
 397 /* maximum size of individual text buffers, ie $exec buffer size */
 398 unsigned int text_buffer_size = DEFAULT_TEXT_BUFFER_SIZE;
 399
 400 /* UTF-8 */
 401 int utf8_mode = 0;
 402
 403 /* no buffers in used memory? */
 404 int no_buffers;
 405
 406 /* pad percentages to decimals? */
 407 static int pad_percents = 0;
 408
 409 static char *global_text = 0;
 410
 411 char *get_global_text(void)
 412 {
 413         return global_text;
 414 }
 415
 416 long global_text_lines;
 417
 418 static int total_updates;
 419 static int updatereset;
 420
 421 void set_updatereset(int i)
 422 {
 423         updatereset = i;
 424 }
 425
 426 int get_updatereset(void)
 427 {
 428         return updatereset;
 429 }
 430
 431 int check_contains(char *f, char *s)
 432 {
 433         int ret = 0;
 434         FILE *where = open_file(f, 0);
 435
 436         if (where) {
 437                 char buf1[256];
 438
 439                 while (fgets(buf1, 256, where)) {
 440                         if (strstr(buf1, s)) {
 441                                 ret = 1;
 442                                 break;
 443                         }
 444                 }
 445                 fclose(where);
 446         } else {
 447                 NORM_ERR("Could not open the file");
 448         }
 449         return ret;
 450 }
 451
 452 #define SECRIT_MULTILINE_CHAR '\x02'
 453
 454 #ifdef X11
 455
 456 static inline int calc_text_width(const char *s)
 457 {
 458         size_t slen = strlen(s);
 459
 460         if ((output_methods & TO_X) == 0) {
 461                 return slen;
 462         }
 463 #ifdef XFT
 464         if (use_xft) {
 465                 XGlyphInfo gi;
 466
 467                 if (utf8_mode) {
 468                         XftTextExtentsUtf8(display, fonts[selected_font].xftfont,
 469                                 (const FcChar8 *) s, slen, &gi);
 470                 } else {
 471                         XftTextExtents8(display, fonts[selected_font].xftfont,
 472                                 (const FcChar8 *) s, slen, &gi);
 473                 }
 474                 return gi.xOff;
 475         } else
 476 #endif
 477         {
 478                 return XTextWidth(fonts[selected_font].font, s, slen);
 479         }
 480 }
 481 #endif /* X11 */
 482
 483 /* formatted text to render on screen, generated in generate_text(),
 484  * drawn in draw_stuff() */
 485
 486 static char *text_buffer;
 487
 488 /* quite boring functions */
 489
 490 static inline void for_each_line(char *b, int f(char *, int))
 491 {
 492         char *ps, *pe;
 493         int special_index = 0; /* specials index */
 494
 495         for (ps = b, pe = b; *pe; pe++) {
 496                 if (*pe == '\n') {
 497                         *pe = '\0';
 498                         special_index = f(ps, special_index);
 499                         *pe = '\n';
 500                         ps = pe + 1;
 501                 }
 502         }
 503
 504         if (ps < pe) {
 505                 f(ps, special_index);
 506         }
 507 }
 508
 509 static void convert_escapes(char *buf)
 510 {
 511         char *p = buf, *s = buf;
 512
 513         while (*s) {
 514                 if (*s == '\\') {
 515                         s++;
 516                         if (*s == 'n') {
 517                                 *p++ = '\n';
 518                         } else if (*s == '\\') {
 519                                 *p++ = '\\';
 520                         }
 521                         s++;
 522                 } else {
 523                         *p++ = *s++;
 524                 }
 525         }
 526         *p = '\0';
 527 }
 528
 529 /* Prints anything normally printed with snprintf according to the current value
 530  * of use_spacer.  Actually slightly more flexible than snprintf, as you can
 531  * safely specify the destination buffer as one of your inputs.  */
 532 int spaced_print(char *buf, int size, const char *format, int width, ...)
 533 {
 534         int len = 0;
 535         va_list argp;
 536         char *tempbuf;
 537
 538         if (size < 1) {
 539                 return 0;
 540         }
 541         tempbuf = malloc(size * sizeof(char));
 542
 543         // Passes the varargs along to vsnprintf
 544         va_start(argp, width);
 545         vsnprintf(tempbuf, size, format, argp);
 546         va_end(argp);
 547
 548         switch (use_spacer) {
 549                 case NO_SPACER:
 550                         len = snprintf(buf, size, "%s", tempbuf);
 551                         break;
 552                 case LEFT_SPACER:
 553                         len = snprintf(buf, size, "%*s", width, tempbuf);
 554                         break;
 555                 case RIGHT_SPACER:
 556                         len = snprintf(buf, size, "%-*s", width, tempbuf);
 557                         break;
 558         }
 559         free(tempbuf);
 560         return len;
 561 }
 562
 563 /* print percentage values
 564  *
 565  * - i.e., unsigned values between 0 and 100
 566  * - respect the value of pad_percents */
 567 int percent_print(char *buf, int size, unsigned value)
 568 {
 569         return spaced_print(buf, size, "%u", pad_percents, value);
 570 }
 571
 572 /* converts from bytes to human readable format (K, M, G, T)
 573  *
 574  * The algorithm always divides by 1024, as unit-conversion of byte
 575  * counts suggests. But for output length determination we need to
 576  * compare with 1000 here, as we print in decimal form. */
 577 void human_readable(long long num, char *buf, int size)
 578 {
 579         const char **suffix = suffixes;
 580         float fnum;
 581         int precision;
 582         int width;
 583         const char *format;
 584
 585         /* Possibly just output as usual, for example for stdout usage */
 586         if (!format_human_readable) {
 587                 spaced_print(buf, size, "%d", 6, round_to_int(num));
 588                 return;
 589         }
 590         if (short_units) {
 591                 width = 5;
 592                 format = "%.*f%.1s";
 593         } else {
 594                 width = 7;
 595                 format = "%.*f%-3s";
 596         }
 597
 598         if (llabs(num) < 1000LL) {
 599                 spaced_print(buf, size, format, width, 0, (float)num, *suffix);
 600                 return;
 601         }
 602
 603         while (llabs(num / 1024) >= 1000LL && **(suffix + 2)) {
 604                 num /= 1024;
 605                 suffix++;
 606         }
 607
 608         suffix++;
 609         fnum = num / 1024.0;
 610
 611         /* fnum should now be < 1000, so looks like 'AAA.BBBBB'
 612          *
 613          * The goal is to always have a significance of 3, by
 614          * adjusting the decimal part of the number. Sample output:
 615          *  123MiB
 616          * 23.4GiB
 617          * 5.12B
 618          * so the point of alignment resides between number and unit. The
 619          * upside of this is that there is minimal padding necessary, though
 620          * there should be a way to make alignment take place at the decimal
 621          * dot (then with fixed width decimal part).
 622          *
 623          * Note the repdigits below: when given a precision value, printf()
 624          * rounds the float to it, not just cuts off the remaining digits. So
 625          * e.g. 99.95 with a precision of 1 gets 100.0, which again should be
 626          * printed with a precision of 0. Yay. */
 627
 628         precision = 0;          /* print 100-999 without decimal part */
 629         if (fnum < 99.95)
 630                 precision = 1;  /* print 10-99 with one decimal place */
 631         if (fnum < 9.995)
 632                 precision = 2;  /* print 0-9 with two decimal places */
 633
 634         spaced_print(buf, size, format, width, precision, fnum, *suffix);
 635 }
 636
 637 /* global object list root element */
 638 static struct text_object global_root_object;
 639
 640 static long current_text_color;
 641
 642 void set_current_text_color(long colour)
 643 {
 644         current_text_color = colour;
 645 }
 646
 647 long get_current_text_color(void)
 648 {
 649         return current_text_color;
 650 }
 651
 652 //adds newstring to to the tree unless you can already see it when travelling back.
 653 //if it's possible to attach it then it returns a pointer to the leaf, else it returns NULL
 654 struct conftree* conftree_add(struct conftree* previous, const char* newstring) {
 655         struct conftree* node;
 656         struct conftree* node2;
 657
 658         for(node = previous; node != NULL; node = node->back) {
 659                 if(strcmp(node->string, newstring) == 0) {
 660                         return NULL;
 661                 }
 662         }
 663         node = malloc(sizeof(struct conftree));
 664         if (previous != NULL) {
 665                 if(previous->vert_next == NULL) {
 666                         previous->vert_next = node;
 667                 } else {
 668                         for(node2 = previous->vert_next; node2->horz_next != NULL; node2 = node2->horz_next ) { }
 669                         node2->horz_next = node;
 670                 }
 671         }
 672         node->string = strdup(newstring);
 673         node->horz_next = NULL;
 674         node->vert_next = NULL;
 675         node->back = previous;
 676         return node;
 677 }
 678
 679 void conftree_empty(struct conftree* tree) {
 680         if(tree) {
 681                 conftree_empty(tree->horz_next);
 682                 conftree_empty(tree->vert_next);
 683                 free(tree->string);
 684                 free(tree);
 685         }
 686 }
 687
 688 struct conftree *currentconffile;
 689
 690 static void extract_variable_text(const char *p)
 691 {
 692         free_text_objects(&global_root_object, 0);
 693         if (tmpstring1) {
 694                 free(tmpstring1);
 695                 tmpstring1 = 0;
 696         }
 697         if (tmpstring2) {
 698                 free(tmpstring2);
 699                 tmpstring2 = 0;
 700         }
 701         if (text_buffer) {
 702                 free(text_buffer);
 703                 text_buffer = 0;
 704         }
 705
 706         extract_variable_text_internal(&global_root_object, p);
 707 }
 708
 709 void parse_conky_vars(struct text_object *root, const char *txt, char *p, struct information *cur)
 710 {
 711         extract_variable_text_internal(root, txt);
 712         generate_text_internal(p, max_user_text, *root, cur);
 713 }
 714
 715 static inline void format_media_player_time(char *buf, const int size,
 716                 int seconds)
 717 {
 718         int days, hours, minutes;
 719
 720         days = seconds / (24 * 60 * 60);
 721         seconds %= (24 * 60 * 60);
 722         hours = seconds / (60 * 60);
 723         seconds %= (60 * 60);
 724         minutes = seconds / 60;
 725         seconds %= 60;
 726
 727         if (days > 0) {
 728                 snprintf(buf, size, "%i days %i:%02i:%02i", days,
 729                                 hours, minutes, seconds);
 730         } else if (hours > 0) {
 731                 snprintf(buf, size, "%i:%02i:%02i", hours, minutes,
 732                                 seconds);
 733         } else {
 734                 snprintf(buf, size, "%i:%02i", minutes, seconds);
 735         }
 736 }
 737
 738 /* substitutes all occurrences of '\n' with SECRIT_MULTILINE_CHAR, which allows
 739  * multiline objects like $exec work with $align[rc] and friends
 740  */
 741 void substitute_newlines(char *p, long l)
 742 {
 743         char *s = p;
 744         if (l < 0) return;
 745         while (p && *p && p < s + l) {
 746                 if (*p == '\n') {
 747                         /* only substitute if it's not the last newline */
 748                         *p = SECRIT_MULTILINE_CHAR;
 749                 }
 750                 p++;
 751         }
 752 }
 753
 754 void generate_text_internal(char *p, int p_max_size,
 755                 struct text_object root, struct information *cur)
 756 {
 757         struct text_object *obj;
 758 #ifdef X11
 759         int need_to_load_fonts = 0;
 760 #endif /* X11 */
 761
 762         /* for the OBJ_top* handler */
 763         struct process **needed = 0;
 764
 765 #ifdef HAVE_ICONV
 766         char buff_in[p_max_size];
 767         buff_in[0] = 0;
 768 #endif /* HAVE_ICONV */
 769
 770         p[0] = 0;
 771         obj = root.next;
 772         while (obj && p_max_size > 0) {
 773                 needed = 0; /* reset for top stuff */
 774
 775 /* IFBLOCK jumping algorithm
 776  *
 777  * This is easier as it looks like:
 778  * - each IF checks it's condition
 779  *   - on FALSE: call DO_JUMP
 780  *   - on TRUE: don't care
 781  * - each ELSE calls DO_JUMP unconditionally
 782  * - each ENDIF is silently being ignored
 783  *
 784  * Why this works:
 785  * DO_JUMP overwrites the "obj" variable of the loop and sets it to the target
 786  * (i.e. the corresponding ELSE or ENDIF). After that, processing for the given
 787  * object can continue, free()ing stuff e.g., then the for-loop does the rest: as
 788  * regularly, "obj" is being updated to point to obj->next, so object parsing
 789  * continues right after the corresponding ELSE or ENDIF. This means that if we
 790  * find an ELSE, it's corresponding IF must not have jumped, so we need to jump
 791  * always. If we encounter an ENDIF, it's corresponding IF or ELSE has not
 792  * jumped, and there is nothing to do.
 793  */
 794 #define DO_JUMP { \
 795         DBGP2("jumping"); \
 796         obj = obj->data.ifblock.next; \
 797 }
 798
 799 #define OBJ(a) break; case OBJ_##a:
 800
 801                 switch (obj->type) {
 802                         default:
 803                                 NORM_ERR("not implemented obj type %d", obj->type);
 804                         OBJ(read_tcp) {
 805                                 print_read_tcp(obj, p, p_max_size);
 806                         }
 807 #ifndef __OpenBSD__
 808                         OBJ(acpitemp) {
 809                                 temp_print(p, p_max_size, get_acpi_temperature(obj->data.i), TEMP_CELSIUS);
 810                         }
 811 #endif /* !__OpenBSD__ */
 812                         OBJ(freq) {
 813                                 static int ok = 1;
 814                                 if (ok) {
 815                                         ok = get_freq(p, p_max_size, "%.0f", 1,
 816                                                         obj->data.i);
 817                                 }
 818                         }
 819                         OBJ(freq_g) {
 820                                 static int ok = 1;
 821                                 if (ok) {
 822 #ifndef __OpenBSD__
 823                                         ok = get_freq(p, p_max_size, "%'.2f", 1000,
 824                                                         obj->data.i);
 825 #else
 826                                         /* OpenBSD has no such flag (SUSv2) */
 827                                         ok = get_freq(p, p_max_size, "%.2f", 1000,
 828                                                         obj->data.i);
 829 #endif /* __OpenBSD */
 830                                 }
 831                         }
 832 #if defined(__linux__)
 833                         OBJ(voltage_mv) {
 834                                 static int ok = 1;
 835                                 if (ok) {
 836                                         ok = get_voltage(p, p_max_size, "%.0f", 1,
 837                                                         obj->data.i);
 838                                 }
 839                         }
 840                         OBJ(voltage_v) {
 841                                 static int ok = 1;
 842                                 if (ok) {
 843                                         ok = get_voltage(p, p_max_size, "%'.3f", 1000,
 844                                                         obj->data.i);
 845                                 }
 846                         }
 847
 848 #ifdef HAVE_IWLIB
 849                         OBJ(wireless_essid) {
 850                                 print_wireless_essid(obj, p, p_max_size);
 851                         }
 852                         OBJ(wireless_mode) {
 853                                 print_wireless_mode(obj, p, p_max_size);
 854                         }
 855                         OBJ(wireless_bitrate) {
 856                                 print_wireless_bitrate(obj, p, p_max_size);
 857                         }
 858                         OBJ(wireless_ap) {
 859                                 print_wireless_ap(obj, p, p_max_size);
 860                         }
 861                         OBJ(wireless_link_qual) {
 862                                 print_wireless_link_qual(obj, p, p_max_size);
 863                         }
 864                         OBJ(wireless_link_qual_max) {
 865                                 print_wireless_link_qual_max(obj, p, p_max_size);
 866                         }
 867                         OBJ(wireless_link_qual_perc) {
 868                                 print_wireless_link_qual_perc(obj, p, p_max_size);
 869                         }
 870                         OBJ(wireless_link_bar) {
 871                                 print_wireless_link_bar(obj, p, p_max_size);
 872                         }
 873 #endif /* HAVE_IWLIB */
 874
 875 #endif /* __linux__ */
 876
 877 #ifndef __OpenBSD__
 878                         OBJ(adt746xcpu) {
 879                                 get_adt746x_cpu(p, p_max_size);
 880                         }
 881                         OBJ(adt746xfan) {
 882                                 get_adt746x_fan(p, p_max_size);
 883                         }
 884                         OBJ(acpifan) {
 885                                 get_acpi_fan(p, p_max_size);
 886                         }
 887                         OBJ(acpiacadapter) {
 888                                 get_acpi_ac_adapter(p, p_max_size);
 889                         }
 890                         OBJ(battery) {
 891                                 get_battery_stuff(p, p_max_size, obj->data.s, BATTERY_STATUS);
 892                         }
 893                         OBJ(battery_time) {
 894                                 get_battery_stuff(p, p_max_size, obj->data.s, BATTERY_TIME);
 895                         }
 896                         OBJ(battery_percent) {
 897                                 percent_print(p, p_max_size, get_battery_perct(obj->data.s));
 898                         }
 899                         OBJ(battery_bar) {
 900 #ifdef X11
 901                                 if(output_methods & TO_X) {
 902                                         new_bar(obj, p, get_battery_perct_bar(obj->data.s));
 903                                 }else
 904 #endif /* X11 */
 905                                         new_bar_in_shell(obj, p, p_max_size, get_battery_perct_bar(obj->data.s) / 2.55);
 906                         }
 907                         OBJ(battery_short) {
 908                                 get_battery_short_status(p, p_max_size, obj->data.s);
 909                         }
 910 #endif /* __OpenBSD__ */
 911
 912                         OBJ(buffers) {
 913                                 human_readable(cur->buffers * 1024, p, 255);
 914                         }
 915                         OBJ(cached) {
 916                                 human_readable(cur->cached * 1024, p, 255);
 917                         }
 918                         OBJ(cpu) {
 919                                 if (obj->data.i > info.cpu_count) {
 920                                         NORM_ERR("obj->data.i %i info.cpu_count %i",
 921                                                         obj->data.i, info.cpu_count);
 922                                         CRIT_ERR(NULL, NULL, "attempting to use more CPUs than you have!");
 923                                 }
 924                                 percent_print(p, p_max_size,
 925                                               round_to_int(cur->cpu_usage[obj->data.i] * 100.0));
 926                         }
 927 #ifdef X11
 928                         OBJ(cpugauge)
 929                                 new_gauge(obj, p, round_to_int(cur->cpu_usage[obj->data.i] * 255.0));
 930 #endif /* X11 */
 931                         OBJ(cpubar) {
 932 #ifdef X11
 933                                 if(output_methods & TO_X) {
 934                                         new_bar(obj, p, round_to_int(cur->cpu_usage[obj->data.i] * 255.0));
 935                                 }else
 936 #endif /* X11 */
 937                                         new_bar_in_shell(obj, p, p_max_size, round_to_int(cur->cpu_usage[obj->data.i] * 100));
 938                         }
 939 #ifdef X11
 940                         OBJ(cpugraph) {
 941                                 new_graph(obj, p, round_to_int(cur->cpu_usage[obj->data.i] * 100));
 942                         }
 943                         OBJ(loadgraph) {
 944                                 print_loadgraph(obj, p);
 945                         }
 946 #endif /* X11 */
 947                         OBJ(color) {
 948                                 new_fg(p, obj->data.l);
 949                         }
 950 #ifdef X11
 951                         OBJ(color0) {
 952                                 new_fg(p, color0);
 953                         }
 954                         OBJ(color1) {
 955                                 new_fg(p, color1);
 956                         }
 957                         OBJ(color2) {
 958                                 new_fg(p, color2);
 959                         }
 960                         OBJ(color3) {
 961                                 new_fg(p, color3);
 962                         }
 963                         OBJ(color4) {
 964                                 new_fg(p, color4);
 965                         }
 966                         OBJ(color5) {
 967                                 new_fg(p, color5);
 968                         }
 969                         OBJ(color6) {
 970                                 new_fg(p, color6);
 971                         }
 972                         OBJ(color7) {
 973                                 new_fg(p, color7);
 974                         }
 975                         OBJ(color8) {
 976                                 new_fg(p, color8);
 977                         }
 978                         OBJ(color9) {
 979                                 new_fg(p, color9);
 980                         }
 981 #endif /* X11 */
 982                         OBJ(conky_version) {
 983                                 snprintf(p, p_max_size, "%s", VERSION);
 984                         }
 985                         OBJ(conky_build_date) {
 986                                 snprintf(p, p_max_size, "%s", BUILD_DATE);
 987                         }
 988                         OBJ(conky_build_arch) {
 989                                 snprintf(p, p_max_size, "%s", BUILD_ARCH);
 990                         }
 991 #if defined(__linux__)
 992                         OBJ(disk_protect) {
 993                                 snprintf(p, p_max_size, "%s",
 994                                                 get_disk_protect_queue(obj->data.s));
 995                         }
 996                         OBJ(i8k_version) {
 997                                 snprintf(p, p_max_size, "%s", i8k.version);
 998                         }
 999                         OBJ(i8k_bios) {
1000                                 snprintf(p, p_max_size, "%s", i8k.bios);
1001                         }
1002                         OBJ(i8k_serial) {
1003                                 snprintf(p, p_max_size, "%s", i8k.serial);
1004                         }
1005                         OBJ(i8k_cpu_temp) {
1006                                 int cpu_temp;
1007
1008                                 sscanf(i8k.cpu_temp, "%d", &cpu_temp);
1009                                 temp_print(p, p_max_size, (double)cpu_temp, TEMP_CELSIUS);
1010                         }
1011                         OBJ(i8k_left_fan_status) {
1012                                 int left_fan_status;
1013
1014                                 sscanf(i8k.left_fan_status, "%d", &left_fan_status);
1015                                 if (left_fan_status == 0) {
1016                                         snprintf(p, p_max_size, "off");
1017                                 }
1018                                 if (left_fan_status == 1) {
1019                                         snprintf(p, p_max_size, "low");
1020                                 }
1021                                 if (left_fan_status == 2) {
1022                                         snprintf(p, p_max_size, "high");
1023                                 }
1024                         }
1025                         OBJ(i8k_right_fan_status) {
1026                                 int right_fan_status;
1027
1028                                 sscanf(i8k.right_fan_status, "%d", &right_fan_status);
1029                                 if (right_fan_status == 0) {
1030                                         snprintf(p, p_max_size, "off");
1031                                 }
1032                                 if (right_fan_status == 1) {
1033                                         snprintf(p, p_max_size, "low");
1034                                 }
1035                                 if (right_fan_status == 2) {
1036                                         snprintf(p, p_max_size, "high");
1037                                 }
1038                         }
1039                         OBJ(i8k_left_fan_rpm) {
1040                                 snprintf(p, p_max_size, "%s", i8k.left_fan_rpm);
1041                         }
1042                         OBJ(i8k_right_fan_rpm) {
1043                                 snprintf(p, p_max_size, "%s", i8k.right_fan_rpm);
1044                         }
1045                         OBJ(i8k_ac_status) {
1046                                 int ac_status;
1047
1048                                 sscanf(i8k.ac_status, "%d", &ac_status);
1049                                 if (ac_status == -1) {
1050                                         snprintf(p, p_max_size, "disabled (read i8k docs)");
1051                                 }
1052                                 if (ac_status == 0) {
1053                                         snprintf(p, p_max_size, "off");
1054                                 }
1055                                 if (ac_status == 1) {
1056                                         snprintf(p, p_max_size, "on");
1057                                 }
1058                         }
1059                         OBJ(i8k_buttons_status) {
1060                                 snprintf(p, p_max_size, "%s", i8k.buttons_status);
1061                         }
1062 #if defined(IBM)
1063                         OBJ(ibm_fan) {
1064                                 get_ibm_acpi_fan(p, p_max_size);
1065                         }
1066                         OBJ(ibm_temps) {
1067                                 print_ibm_temps(obj, p, p_max_size);
1068                         }
1069                         OBJ(ibm_volume) {
1070                                 get_ibm_acpi_volume(p, p_max_size);
1071                         }
1072                         OBJ(ibm_brightness) {
1073                                 get_ibm_acpi_brightness(p, p_max_size);
1074                         }
1075 #endif /* IBM */
1076                         /* information from sony_laptop kernel module
1077                          * /sys/devices/platform/sony-laptop */
1078                         OBJ(sony_fanspeed) {
1079                                 get_sony_fanspeed(p, p_max_size);
1080                         }
1081                         OBJ(if_gw) {
1082                                 if (!gateway_exists()) {
1083                                         DO_JUMP;
1084                                 }
1085                         }
1086                         OBJ(gw_iface) {
1087                                 print_gateway_iface(p, p_max_size);
1088                         }
1089                         OBJ(gw_ip) {
1090                                 print_gateway_ip(p, p_max_size);
1091                         }
1092                         OBJ(laptop_mode) {
1093                                 snprintf(p, p_max_size, "%d", get_laptop_mode());
1094                         }
1095                         OBJ(pb_battery) {
1096                                 get_powerbook_batt_info(p, p_max_size, obj->data.i);
1097                         }
1098 #endif /* __linux__ */
1099 #if (defined(__FreeBSD__) || defined(__linux__))
1100                         OBJ(if_up) {
1101                                 if (!interface_up(obj)) {
1102                                         DO_JUMP;
1103                                 }
1104                         }
1105 #endif
1106 #ifdef __OpenBSD__
1107                         OBJ(obsd_sensors_temp) {
1108                                 print_obsd_sensors_temp(obj, p, p_max_size);
1109                         }
1110                         OBJ(obsd_sensors_fan) {
1111                                 print_obsd_sensors_fan(obj, p, p_max_size);
1112                         }
1113                         OBJ(obsd_sensors_volt) {
1114                                 print_obsd_sensors_volt(obj, p, p_max_size);
1115                         }
1116                         OBJ(obsd_vendor) {
1117                                 get_obsd_vendor(p, p_max_size);
1118                         }
1119                         OBJ(obsd_product) {
1120                                 get_obsd_product(p, p_max_size);
1121                         }
1122 #endif /* __OpenBSD__ */
1123 #ifdef X11
1124                         OBJ(font) {
1125                                 new_font(p, obj->data.s);
1126                                 need_to_load_fonts = 1;
1127                         }
1128 #endif /* X11 */
1129                         OBJ(diskio) {
1130                                 print_diskio(obj, 0, p, p_max_size);
1131                         }
1132                         OBJ(diskio_write) {
1133                                 print_diskio(obj, 1, p, p_max_size);
1134                         }
1135                         OBJ(diskio_read) {
1136                                 print_diskio(obj, -1, p, p_max_size);
1137                         }
1138 #ifdef X11
1139                         OBJ(diskiograph) {
1140                                 print_diskiograph(obj, 0, p);
1141                         }
1142                         OBJ(diskiograph_read) {
1143                                 print_diskiograph(obj, -1, p);
1144                         }
1145                         OBJ(diskiograph_write) {
1146                                 print_diskiograph(obj, 1, p);
1147                         }
1148 #endif /* X11 */
1149                         OBJ(downspeed) {
1150                                 print_downspeed(obj, p, p_max_size);
1151                         }
1152                         OBJ(downspeedf) {
1153                                 print_downspeedf(obj, p, p_max_size);
1154                         }
1155 #ifdef X11
1156                         OBJ(downspeedgraph) {
1157                                 print_downspeedgraph(obj, p);
1158                         }
1159 #endif /* X11 */
1160                         OBJ(else) {
1161                                 /* Since we see you, you're if has not jumped.
1162                                  * Do Ninja jump here: without leaving traces.
1163                                  * This is to prevent us from stale jumped flags.
1164                                  */
1165                                 obj = obj->data.ifblock.next;
1166                                 continue;
1167                         }
1168                         OBJ(endif) {
1169                                 /* harmless object, just ignore */
1170                         }
1171                         OBJ(addr) {
1172                                 print_addr(obj, p, p_max_size);
1173                         }
1174 #if defined(__linux__)
1175                         OBJ(addrs) {
1176                                 print_addrs(obj, p, p_max_size);
1177                         }
1178 #endif /* __linux__ */
1179 #if defined(IMLIB2) && defined(X11)
1180                         OBJ(image) {
1181                                 /* doesn't actually draw anything, just queues it omp.  the
1182                                  * image will get drawn after the X event loop */
1183                                 cimlib_add_image(obj->data.s);
1184                         }
1185 #endif /* IMLIB2 */
1186                         OBJ(eval) {
1187                                 evaluate(obj->data.s, p);
1188                         }
1189                         OBJ(exec) {
1190                                 print_exec(obj, p, p_max_size);
1191                         }
1192                         OBJ(execp) {
1193                                 print_execp(obj, p, p_max_size);
1194                         }
1195 #ifdef X11
1196                         OBJ(execgauge) {
1197                                 print_execgauge(obj, p, p_max_size);
1198                         }
1199 #endif /* X11 */
1200                         OBJ(execbar) {
1201                                 print_execbar(obj, p, p_max_size);
1202                         }
1203 #ifdef X11
1204                         OBJ(execgraph) {
1205                                 print_execgraph(obj, p, p_max_size);
1206                         }
1207 #endif /* X11 */
1208                         OBJ(execibar) {
1209                                 print_execibar(obj, p, p_max_size);
1210                         }
1211 #ifdef X11
1212                         OBJ(execigraph) {
1213                                 print_execigraph(obj, p, p_max_size);
1214                         }
1215                         OBJ(execigauge) {
1216                                 print_execigauge(obj, p, p_max_size);
1217                         }
1218 #endif /* X11 */
1219                         OBJ(execi) {
1220                                 print_execi(obj, p, p_max_size);
1221                         }
1222                         OBJ(execpi) {
1223                                 print_execpi(obj, p);
1224                         }
1225                         OBJ(texeci) {
1226                                 print_texeci(obj, p, p_max_size);
1227                         }
1228                         OBJ(imap_unseen) {
1229                                 print_imap_unseen(obj, p, p_max_size);
1230                         }
1231                         OBJ(imap_messages) {
1232                                 print_imap_messages(obj, p, p_max_size);
1233                         }
1234                         OBJ(pop3_unseen) {
1235                                 print_pop3_unseen(obj, p, p_max_size);
1236                         }
1237                         OBJ(pop3_used) {
1238                                 print_pop3_used(obj, p, p_max_size);
1239                         }
1240                         OBJ(fs_bar) {
1241                                 print_fs_bar(obj, 0, p, p_max_size);
1242                         }
1243                         OBJ(fs_free) {
1244                                 print_fs_free(obj, p, p_max_size);
1245                         }
1246                         OBJ(fs_free_perc) {
1247                                 print_fs_perc(obj, 1, p, p_max_size);
1248                         }
1249                         OBJ(fs_size) {
1250                                 print_fs_size(obj, p, p_max_size);
1251                         }
1252                         OBJ(fs_type) {
1253                                 print_fs_type(obj, p, p_max_size);
1254                         }
1255                         OBJ(fs_used) {
1256                                 print_fs_used(obj, p, p_max_size);
1257                         }
1258                         OBJ(fs_bar_free) {
1259                                 print_fs_bar(obj, 1, p, p_max_size);
1260                         }
1261                         OBJ(fs_used_perc) {
1262                                 print_fs_perc(obj, 0, p, p_max_size);
1263                         }
1264                         OBJ(loadavg) {
1265                                 print_loadavg(obj, p, p_max_size);
1266                         }
1267                         OBJ(goto) {
1268                                 new_goto(p, obj->data.i);
1269                         }
1270                         OBJ(tab) {
1271                                 new_tab(obj, p);
1272                         }
1273 #ifdef X11
1274                         OBJ(hr) {
1275                                 new_hr(p, obj->data.i);
1276                         }
1277 #endif
1278                         OBJ(nameserver) {
1279                                 print_nameserver(obj, p, p_max_size);
1280                         }
1281 #ifdef EVE
1282                         OBJ(eve) {
1283                                 print_eve(obj, p, p_max_size);
1284                         }
1285 #endif
1286 #ifdef HAVE_CURL
1287                         OBJ(curl) {
1288                                 curl_print(obj, p, p_max_size);
1289                         }
1290 #endif
1291 #ifdef RSS
1292                         OBJ(rss) {
1293                                 rss_print_info(obj, p, p_max_size);
1294                         }
1295 #endif
1296 #ifdef WEATHER
1297                         OBJ(weather) {
1298                                 print_weather(obj, p, p_max_size);
1299                         }
1300 #endif
1301 #ifdef XOAP
1302                         OBJ(weather_forecast) {
1303                                 print_weather_forecast(obj, p, p_max_size);
1304                         }
1305 #endif
1306 #ifdef HAVE_LUA
1307                         OBJ(lua) {
1308                                 char *str = llua_getstring(obj->data.s);
1309                                 if (str) {
1310                                         snprintf(p, p_max_size, "%s", str);
1311                                         free(str);
1312                                 }
1313                         }
1314                         OBJ(lua_parse) {
1315                                 char *str = llua_getstring(obj->data.s);
1316                                 if (str) {
1317                                         evaluate(str, p);
1318                                         free(str);
1319                                 }
1320                         }
1321                         OBJ(lua_bar) {
1322                                 double per;
1323                                 if (llua_getnumber(obj->data.s, &per)) {
1324 #ifdef X11
1325                                         if(output_methods & TO_X) {
1326                                                 new_bar(obj, p, (per/100.0 * 255));
1327                                         } else
1328 #endif /* X11 */
1329                                                 new_bar_in_shell(obj, p, p_max_size, per);
1330                                 }
1331                         }
1332 #ifdef X11
1333                         OBJ(lua_graph) {
1334                                 double per;
1335                                 if (llua_getnumber(obj->data.s, &per)) {
1336                                         new_graph(obj, p, per);
1337                                 }
1338                         }
1339                         OBJ(lua_gauge) {
1340                                 double per;
1341                                 if (llua_getnumber(obj->data.s, &per)) {
1342                                         new_gauge(obj, p, (per/100.0 * 255));
1343                                 }
1344                         }
1345 #endif /* X11 */
1346 #endif /* HAVE_LUA */
1347 #ifdef HDDTEMP
1348                         OBJ(hddtemp) {
1349                                 short val;
1350                                 char unit;
1351
1352                                 if (get_hddtemp_info(obj->data.s, &val, &unit)) {
1353                                         snprintf(p, p_max_size, "N/A");
1354                                 } else {
1355                                         temp_print(p, p_max_size, (double)val,
1356                                                         (unit == 'C' ? TEMP_CELSIUS : TEMP_FAHRENHEIT));
1357                                 }
1358                         }
1359 #endif
1360                         OBJ(offset) {
1361                                 new_offset(p, obj->data.i);
1362                         }
1363                         OBJ(voffset) {
1364                                 new_voffset(p, obj->data.i);
1365                         }
1366 #ifdef __linux__
1367                         OBJ(i2c) {
1368                                 print_sysfs_sensor(obj, p, p_max_size);
1369                         }
1370                         OBJ(platform) {
1371                                 print_sysfs_sensor(obj, p, p_max_size);
1372                         }
1373                         OBJ(hwmon) {
1374                                 print_sysfs_sensor(obj, p, p_max_size);
1375                         }
1376 #endif /* __linux__ */
1377                         OBJ(alignr) {
1378                                 new_alignr(p, obj->data.i);
1379                         }
1380                         OBJ(alignc) {
1381                                 new_alignc(p, obj->data.i);
1382                         }
1383                         OBJ(if_empty) {
1384                                 char buf[max_user_text];
1385                                 struct information *tmp_info =
1386                                         malloc(sizeof(struct information));
1387                                 memcpy(tmp_info, cur, sizeof(struct information));
1388                                 generate_text_internal(buf, max_user_text,
1389                                                        *obj->sub, tmp_info);
1390
1391                                 if (strlen(buf) != 0) {
1392                                         DO_JUMP;
1393                                 }
1394                                 free(tmp_info);
1395                         }
1396                         OBJ(if_match) {
1397                                 char expression[max_user_text];
1398                                 int val;
1399                                 struct information *tmp_info;
1400
1401                                 tmp_info = malloc(sizeof(struct information));
1402                                 memcpy(tmp_info, cur, sizeof(struct information));
1403                                 generate_text_internal(expression, max_user_text,
1404                                                        *obj->sub, tmp_info);
1405                                 DBGP("parsed arg into '%s'", expression);
1406
1407                                 val = compare(expression);
1408                                 if (val == -2) {
1409                                         NORM_ERR("compare failed for expression '%s'",
1410                                                         expression);
1411                                 } else if (!val) {
1412                                         DO_JUMP;
1413                                 }
1414                                 free(tmp_info);
1415                         }
1416                         OBJ(if_existing) {
1417                                 if (obj->data.ifblock.str
1418                                     && !check_contains(obj->data.ifblock.s,
1419                                                        obj->data.ifblock.str)) {
1420                                         DO_JUMP;
1421                                 } else if (obj->data.ifblock.s
1422                                            && access(obj->data.ifblock.s, F_OK)) {
1423                                         DO_JUMP;
1424                                 }
1425                         }
1426                         OBJ(if_mounted) {
1427                                 if ((obj->data.ifblock.s)
1428                                                 && (!check_mount(obj->data.ifblock.s))) {
1429                                         DO_JUMP;
1430                                 }
1431                         }
1432                         OBJ(if_running) {
1433 #ifdef __linux__
1434                                 if (!get_process_by_name(obj->data.ifblock.s)) {
1435 #else
1436                                 if ((obj->data.ifblock.s) && system(obj->data.ifblock.s)) {
1437 #endif
1438                                         DO_JUMP;
1439                                 }
1440                         }
1441 #if defined(__linux__)
1442                         OBJ(ioscheduler) {
1443                                 snprintf(p, p_max_size, "%s", get_ioscheduler(obj->data.s));
1444                         }
1445 #endif
1446                         OBJ(kernel) {
1447                                 snprintf(p, p_max_size, "%s", cur->uname_s.release);
1448                         }
1449                         OBJ(machine) {
1450                                 snprintf(p, p_max_size, "%s", cur->uname_s.machine);
1451                         }
1452
1453                         /* memory stuff */
1454                         OBJ(mem) {
1455                                 human_readable(cur->mem * 1024, p, 255);
1456                         }
1457                         OBJ(memeasyfree) {
1458                                 human_readable(cur->memeasyfree * 1024, p, 255);
1459                         }
1460                         OBJ(memfree) {
1461                                 human_readable(cur->memfree * 1024, p, 255);
1462                         }
1463                         OBJ(memmax) {
1464                                 human_readable(cur->memmax * 1024, p, 255);
1465                         }
1466                         OBJ(memperc) {
1467                                 if (cur->memmax)
1468                                         percent_print(p, p_max_size, cur->mem * 100 / cur->memmax);
1469                         }
1470 #ifdef X11
1471                         OBJ(memgauge){
1472                                 new_gauge(obj, p, cur->memmax ? (cur->mem * 255) / (cur->memmax) : 0);
1473                         }
1474 #endif /* X11 */
1475                         OBJ(membar) {
1476 #ifdef X11
1477                                 if(output_methods & TO_X) {
1478                                         new_bar(obj, p, cur->memmax ? (cur->mem * 255) / (cur->memmax) : 0);
1479                                 }else
1480 #endif /* X11 */
1481                                         new_bar_in_shell(obj, p, p_max_size, cur->memmax ? (cur->mem * 100) / (cur->memmax) : 0);
1482                         }
1483 #ifdef X11
1484                         OBJ(memgraph) {
1485                                 new_graph(obj, p, cur->memmax ? (cur->mem * 100.0) / (cur->memmax) : 0.0);
1486                         }
1487 #endif /* X11 */
1488                         /* mixer stuff */
1489                         OBJ(mixer) {
1490                                 print_mixer(obj, 0, p, p_max_size);
1491                         }
1492                         OBJ(mixerl) {
1493                                 print_mixer(obj, -1, p, p_max_size);
1494                         }
1495                         OBJ(mixerr) {
1496                                 print_mixer(obj, 1, p, p_max_size);
1497                         }
1498 #ifdef X11
1499                         OBJ(mixerbar) {
1500                                 print_mixer_bar(obj, 0, p);
1501                         }
1502                         OBJ(mixerlbar) {
1503                                 print_mixer_bar(obj, -1, p);
1504                         }
1505                         OBJ(mixerrbar) {
1506                                 print_mixer_bar(obj, 1, p);
1507                         }
1508 #endif /* X11 */
1509                         OBJ(if_mixer_mute) {
1510                                 if (!check_mixer_muted(obj)) {
1511                                         DO_JUMP;
1512                                 }
1513                         }
1514 #ifdef X11
1515 #define NOT_IN_X "Not running in X"
1516                         OBJ(monitor) {
1517                                 if(x_initialised != YES) {
1518                                         strncpy(p, NOT_IN_X, p_max_size);
1519                                 }else{
1520                                         snprintf(p, p_max_size, "%d", cur->x11.monitor.current);
1521                                 }
1522                         }
1523                         OBJ(monitor_number) {
1524                                 if(x_initialised != YES) {
1525                                         strncpy(p, NOT_IN_X, p_max_size);
1526                                 }else{
1527                                         snprintf(p, p_max_size, "%d", cur->x11.monitor.number);
1528                                 }
1529                         }
1530                         OBJ(desktop) {
1531                                 if(x_initialised != YES) {
1532                                         strncpy(p, NOT_IN_X, p_max_size);
1533                                 }else{
1534                                         snprintf(p, p_max_size, "%d", cur->x11.desktop.current);
1535                                 }
1536                         }
1537                         OBJ(desktop_number) {
1538                                 if(x_initialised != YES) {
1539                                         strncpy(p, NOT_IN_X, p_max_size);
1540                                 }else{
1541                                         snprintf(p, p_max_size, "%d", cur->x11.desktop.number);
1542                                 }
1543                         }
1544                         OBJ(desktop_name) {
1545                                 if(x_initialised != YES) {
1546                                         strncpy(p, NOT_IN_X, p_max_size);
1547                                 }else if(cur->x11.desktop.name != NULL) {
1548                                         strncpy(p, cur->x11.desktop.name, p_max_size);
1549                                 }
1550                         }
1551 #endif /* X11 */
1552
1553                         /* mail stuff */
1554                         OBJ(mails) {
1555                                 print_mails(obj, p, p_max_size);
1556                         }
1557                         OBJ(new_mails) {
1558                                 print_new_mails(obj, p, p_max_size);
1559                         }
1560                         OBJ(seen_mails) {
1561                                 print_seen_mails(obj, p, p_max_size);
1562                         }
1563                         OBJ(unseen_mails) {
1564                                 print_unseen_mails(obj, p, p_max_size);
1565                         }
1566                         OBJ(flagged_mails) {
1567                                 print_flagged_mails(obj, p, p_max_size);
1568                         }
1569                         OBJ(unflagged_mails) {
1570                                 print_unflagged_mails(obj, p, p_max_size);
1571                         }
1572                         OBJ(forwarded_mails) {
1573                                 print_forwarded_mails(obj, p, p_max_size);
1574                         }
1575                         OBJ(unforwarded_mails) {
1576                                 print_unforwarded_mails(obj, p, p_max_size);
1577                         }
1578                         OBJ(replied_mails) {
1579                                 print_replied_mails(obj, p, p_max_size);
1580                         }
1581                         OBJ(unreplied_mails) {
1582                                 print_unreplied_mails(obj, p, p_max_size);
1583                         }
1584                         OBJ(draft_mails) {
1585                                 print_draft_mails(obj, p, p_max_size);
1586                         }
1587                         OBJ(trashed_mails) {
1588                                 print_trashed_mails(obj, p, p_max_size);
1589                         }
1590                         OBJ(mboxscan) {
1591                                 print_mboxscan(obj, p, p_max_size);
1592                         }
1593                         OBJ(nodename) {
1594                                 snprintf(p, p_max_size, "%s", cur->uname_s.nodename);
1595                         }
1596                         OBJ(outlinecolor) {
1597                                 new_outline(p, obj->data.l);
1598                         }
1599                         OBJ(processes) {
1600                                 spaced_print(p, p_max_size, "%hu", 4, cur->procs);
1601                         }
1602                         OBJ(running_processes) {
1603                                 spaced_print(p, p_max_size, "%hu", 4, cur->run_procs);
1604                         }
1605                         OBJ(text) {
1606                                 snprintf(p, p_max_size, "%s", obj->data.s);
1607                         }
1608 #ifdef X11
1609                         OBJ(shadecolor) {
1610                                 new_bg(p, obj->data.l);
1611                         }
1612                         OBJ(stippled_hr) {
1613                                 new_stippled_hr(obj, p);
1614                         }
1615 #endif /* X11 */
1616                         OBJ(swap) {
1617                                 human_readable(cur->swap * 1024, p, 255);
1618                         }
1619                         OBJ(swapfree) {
1620                                 human_readable(cur->swapfree * 1024, p, 255);
1621                         }
1622                         OBJ(swapmax) {
1623                                 human_readable(cur->swapmax * 1024, p, 255);
1624                         }
1625                         OBJ(swapperc) {
1626                                 if (cur->swapmax == 0) {
1627                                         strncpy(p, "No swap", p_max_size);
1628                                 } else {
1629                                         percent_print(p, p_max_size, cur->swap * 100 / cur->swapmax);
1630                                 }
1631                         }
1632                         OBJ(swapbar) {
1633 #ifdef X11
1634                                 if(output_methods & TO_X) {
1635                                         new_bar(obj, p, cur->swapmax ? (cur->swap * 255) / (cur->swapmax) : 0);
1636                                 }else
1637 #endif /* X11 */
1638                                         new_bar_in_shell(obj, p, p_max_size, cur->swapmax ? (cur->swap * 100) / (cur->swapmax) : 0);
1639                         }
1640                         OBJ(sysname) {
1641                                 snprintf(p, p_max_size, "%s", cur->uname_s.sysname);
1642                         }
1643                         OBJ(time) {
1644                                 print_time(obj, p, p_max_size);
1645                         }
1646                         OBJ(utime) {
1647                                 print_utime(obj, p, p_max_size);
1648                         }
1649                         OBJ(tztime) {
1650                                 print_tztime(obj, p, p_max_size);
1651                         }
1652                         OBJ(totaldown) {
1653                                 print_totaldown(obj, p, p_max_size);
1654                         }
1655                         OBJ(totalup) {
1656                                 print_totalup(obj, p, p_max_size);
1657                         }
1658                         OBJ(updates) {
1659                                 snprintf(p, p_max_size, "%d", total_updates);
1660                         }
1661                         OBJ(if_updatenr) {
1662                                 if(total_updates % updatereset != obj->data.ifblock.i - 1) {
1663                                         DO_JUMP;
1664                                 }
1665                         }
1666                         OBJ(upspeed) {
1667                                 print_upspeed(obj, p, p_max_size);
1668                         }
1669                         OBJ(upspeedf) {
1670                                 print_upspeedf(obj, p, p_max_size);
1671                         }
1672 #ifdef X11
1673                         OBJ(upspeedgraph) {
1674                                 print_upspeedgraph(obj, p);
1675                         }
1676 #endif /* X11 */
1677                         OBJ(uptime_short) {
1678                                 format_seconds_short(p, p_max_size, (int) cur->uptime);
1679                         }
1680                         OBJ(uptime) {
1681                                 format_seconds(p, p_max_size, (int) cur->uptime);
1682                         }
1683                         OBJ(user_names) {
1684                                 snprintf(p, p_max_size, "%s", cur->users.names);
1685                         }
1686                         OBJ(user_terms) {
1687                                 snprintf(p, p_max_size, "%s", cur->users.terms);
1688                         }
1689                         OBJ(user_times) {
1690                                 snprintf(p, p_max_size, "%s", cur->users.times);
1691                         }
1692                         OBJ(user_number) {
1693                                 snprintf(p, p_max_size, "%d", cur->users.number);
1694                         }
1695 #if (defined(__FreeBSD__) || defined(__FreeBSD_kernel__) \
1696                 || defined(__OpenBSD__)) && (defined(i386) || defined(__i386__))
1697                         OBJ(apm_adapter) {
1698                                 char *msg;
1699
1700                                 msg = get_apm_adapter();
1701                                 snprintf(p, p_max_size, "%s", msg);
1702                                 free(msg);
1703                         }
1704                         OBJ(apm_battery_life) {
1705                                 char *msg;
1706
1707                                 msg = get_apm_battery_life();
1708                                 snprintf(p, p_max_size, "%s", msg);
1709                                 free(msg);
1710                         }
1711                         OBJ(apm_battery_time) {
1712                                 char *msg;
1713
1714                                 msg = get_apm_battery_time();
1715                                 snprintf(p, p_max_size, "%s", msg);
1716                                 free(msg);
1717                         }
1718 #endif /* __FreeBSD__ __OpenBSD__ */
1719
1720 #ifdef MPD
1721 #define mpd_printf(fmt, val) \
1722         snprintf(p, p_max_size, fmt, mpd_get_info()->val)
1723 #define mpd_sprintf(val) { \
1724         if (!obj->data.i || obj->data.i > p_max_size) \
1725                 mpd_printf("%s", val); \
1726         else \
1727                 snprintf(p, obj->data.i, "%s", mpd_get_info()->val); \
1728 }
1729                         OBJ(mpd_title)
1730                                 mpd_sprintf(title);
1731                         OBJ(mpd_artist)
1732                                 mpd_sprintf(artist);
1733                         OBJ(mpd_album)
1734                                 mpd_sprintf(album);
1735                         OBJ(mpd_random)
1736                                 mpd_printf("%s", random);
1737                         OBJ(mpd_repeat)
1738                                 mpd_printf("%s", repeat);
1739                         OBJ(mpd_track)
1740                                 mpd_sprintf(track);
1741                         OBJ(mpd_name)
1742                                 mpd_sprintf(name);
1743                         OBJ(mpd_file)
1744                                 mpd_sprintf(file);
1745                         OBJ(mpd_vol)
1746                                 mpd_printf("%d", volume);
1747                         OBJ(mpd_bitrate)
1748                                 mpd_printf("%d", bitrate);
1749                         OBJ(mpd_status)
1750                                 mpd_printf("%s", status);
1751                         OBJ(mpd_elapsed) {
1752                                 format_media_player_time(p, p_max_size, mpd_get_info()->elapsed);
1753                         }
1754                         OBJ(mpd_length) {
1755                                 format_media_player_time(p, p_max_size, mpd_get_info()->length);
1756                         }
1757                         OBJ(mpd_percent) {
1758                                 percent_print(p, p_max_size, (int)(mpd_get_info()->progress * 100));
1759                         }
1760                         OBJ(mpd_bar) {
1761 #ifdef X11
1762                                 if(output_methods & TO_X) {
1763                                         new_bar(obj, p, (int) (mpd_get_info()->progress * 255.0f));
1764                                 } else
1765 #endif /* X11 */
1766                                         new_bar_in_shell(obj, p, p_max_size, (int) (mpd_get_info()->progress * 100.0f));
1767                         }
1768                         OBJ(mpd_smart) {
1769                                 struct mpd_s *mpd = mpd_get_info();
1770                                 int len = obj->data.i;
1771                                 if (len == 0 || len > p_max_size)
1772                                         len = p_max_size;
1773
1774                                 memset(p, 0, p_max_size);
1775                                 if (mpd->artist && *mpd->artist &&
1776                                     mpd->title && *mpd->title) {
1777                                         snprintf(p, len, "%s - %s", mpd->artist,
1778                                                 mpd->title);
1779                                 } else if (mpd->title && *mpd->title) {
1780                                         snprintf(p, len, "%s", mpd->title);
1781                                 } else if (mpd->artist && *mpd->artist) {
1782                                         snprintf(p, len, "%s", mpd->artist);
1783                                 } else if (mpd->file && *mpd->file) {
1784                                         snprintf(p, len, "%s", mpd->file);
1785                                 } else {
1786                                         *p = 0;
1787                                 }
1788                         }
1789                         OBJ(if_mpd_playing) {
1790                                 if (!mpd_get_info()->is_playing) {
1791                                         DO_JUMP;
1792                                 }
1793                         }
1794 #undef mpd_sprintf
1795 #undef mpd_printf
1796 #endif
1797
1798 #ifdef MOC
1799 #define MOC_PRINT(t, a) \
1800         snprintf(p, p_max_size, "%s", (moc.t ? moc.t : a))
1801                         OBJ(moc_state) {
1802                                 MOC_PRINT(state, "??");
1803                         }
1804                         OBJ(moc_file) {
1805                                 MOC_PRINT(file, "no file");
1806                         }
1807                         OBJ(moc_title) {
1808                                 MOC_PRINT(title, "no title");
1809                         }
1810                         OBJ(moc_artist) {
1811                                 MOC_PRINT(artist, "no artist");
1812                         }
1813                         OBJ(moc_song) {
1814                                 MOC_PRINT(song, "no song");
1815                         }
1816                         OBJ(moc_album) {
1817                                 MOC_PRINT(album, "no album");
1818                         }
1819                         OBJ(moc_totaltime) {
1820                                 MOC_PRINT(totaltime, "0:00");
1821                         }
1822                         OBJ(moc_timeleft) {
1823                                 MOC_PRINT(timeleft, "0:00");
1824                         }
1825                         OBJ(moc_curtime) {
1826                                 MOC_PRINT(curtime, "0:00");
1827                         }
1828                         OBJ(moc_bitrate) {
1829                                 MOC_PRINT(bitrate, "0Kbps");
1830                         }
1831                         OBJ(moc_rate) {
1832                                 MOC_PRINT(rate, "0KHz");
1833                         }
1834 #undef MOC_PRINT
1835 #endif /* MOC */
1836 #ifdef XMMS2
1837                         OBJ(xmms2_artist) {
1838                                 snprintf(p, p_max_size, "%s", cur->xmms2.artist);
1839                         }
1840                         OBJ(xmms2_album) {
1841                                 snprintf(p, p_max_size, "%s", cur->xmms2.album);
1842                         }
1843                         OBJ(xmms2_title) {
1844                                 snprintf(p, p_max_size, "%s", cur->xmms2.title);
1845                         }
1846                         OBJ(xmms2_genre) {
1847                                 snprintf(p, p_max_size, "%s", cur->xmms2.genre);
1848                         }
1849                         OBJ(xmms2_comment) {
1850                                 snprintf(p, p_max_size, "%s", cur->xmms2.comment);
1851                         }
1852                         OBJ(xmms2_url) {
1853                                 snprintf(p, p_max_size, "%s", cur->xmms2.url);
1854                         }
1855                         OBJ(xmms2_status) {
1856                                 snprintf(p, p_max_size, "%s", cur->xmms2.status);
1857                         }
1858                         OBJ(xmms2_date) {
1859                                 snprintf(p, p_max_size, "%s", cur->xmms2.date);
1860                         }
1861                         OBJ(xmms2_tracknr) {
1862                                 if (cur->xmms2.tracknr != -1) {
1863                                         snprintf(p, p_max_size, "%i", cur->xmms2.tracknr);
1864                                 }
1865                         }
1866                         OBJ(xmms2_bitrate) {
1867                                 snprintf(p, p_max_size, "%i", cur->xmms2.bitrate);
1868                         }
1869                         OBJ(xmms2_id) {
1870                                 snprintf(p, p_max_size, "%u", cur->xmms2.id);
1871                         }
1872                         OBJ(xmms2_size) {
1873                                 snprintf(p, p_max_size, "%2.1f", cur->xmms2.size);
1874                         }
1875                         OBJ(xmms2_elapsed) {
1876                                 snprintf(p, p_max_size, "%02d:%02d", cur->xmms2.elapsed / 60000,
1877                                         (cur->xmms2.elapsed / 1000) % 60);
1878                         }
1879                         OBJ(xmms2_duration) {
1880                                 snprintf(p, p_max_size, "%02d:%02d",
1881                                         cur->xmms2.duration / 60000,
1882                                         (cur->xmms2.duration / 1000) % 60);
1883                         }
1884                         OBJ(xmms2_percent) {
1885                                 snprintf(p, p_max_size, "%2.0f", cur->xmms2.progress * 100);
1886                         }
1887 #ifdef X11
1888                         OBJ(xmms2_bar) {
1889                                 new_bar(obj, p, (int) (cur->xmms2.progress * 255.0f));
1890                         }
1891 #endif /* X11 */
1892                         OBJ(xmms2_playlist) {
1893                                 snprintf(p, p_max_size, "%s", cur->xmms2.playlist);
1894                         }
1895                         OBJ(xmms2_timesplayed) {
1896                                 snprintf(p, p_max_size, "%i", cur->xmms2.timesplayed);
1897                         }
1898                         OBJ(xmms2_smart) {
1899                                 if (strlen(cur->xmms2.title) < 2
1900                                                 && strlen(cur->xmms2.title) < 2) {
1901                                         snprintf(p, p_max_size, "%s", cur->xmms2.url);
1902                                 } else {
1903                                         snprintf(p, p_max_size, "%s - %s", cur->xmms2.artist,
1904                                                 cur->xmms2.title);
1905                                 }
1906                         }
1907                         OBJ(if_xmms2_connected) {
1908                                 if (cur->xmms2.conn_state != 1) {
1909                                         DO_JUMP;
1910                                 }
1911                         }
1912 #endif /* XMMS */
1913 #ifdef AUDACIOUS
1914                         OBJ(audacious_status) {
1915                                 snprintf(p, p_max_size, "%s",
1916                                         cur->audacious.items[AUDACIOUS_STATUS]);
1917                         }
1918                         OBJ(audacious_title) {
1919                                 snprintf(p, cur->audacious.max_title_len > 0
1920                                         ? cur->audacious.max_title_len : p_max_size, "%s",
1921                                         cur->audacious.items[AUDACIOUS_TITLE]);
1922                         }
1923                         OBJ(audacious_length) {
1924                                 snprintf(p, p_max_size, "%s",
1925                                         cur->audacious.items[AUDACIOUS_LENGTH]);
1926                         }
1927                         OBJ(audacious_length_seconds) {
1928                                 snprintf(p, p_max_size, "%s",
1929                                         cur->audacious.items[AUDACIOUS_LENGTH_SECONDS]);
1930                         }
1931                         OBJ(audacious_position) {
1932                                 snprintf(p, p_max_size, "%s",
1933                                         cur->audacious.items[AUDACIOUS_POSITION]);
1934                         }
1935                         OBJ(audacious_position_seconds) {
1936                                 snprintf(p, p_max_size, "%s",
1937                                         cur->audacious.items[AUDACIOUS_POSITION_SECONDS]);
1938                         }
1939                         OBJ(audacious_bitrate) {
1940                                 snprintf(p, p_max_size, "%s",
1941                                         cur->audacious.items[AUDACIOUS_BITRATE]);
1942                         }
1943                         OBJ(audacious_frequency) {
1944                                 snprintf(p, p_max_size, "%s",
1945                                         cur->audacious.items[AUDACIOUS_FREQUENCY]);
1946                         }
1947                         OBJ(audacious_channels) {
1948                                 snprintf(p, p_max_size, "%s",
1949                                         cur->audacious.items[AUDACIOUS_CHANNELS]);
1950                         }
1951                         OBJ(audacious_filename) {
1952                                 snprintf(p, p_max_size, "%s",
1953                                         cur->audacious.items[AUDACIOUS_FILENAME]);
1954                         }
1955                         OBJ(audacious_playlist_length) {
1956                                 snprintf(p, p_max_size, "%s",
1957                                         cur->audacious.items[AUDACIOUS_PLAYLIST_LENGTH]);
1958                         }
1959                         OBJ(audacious_playlist_position) {
1960                                 snprintf(p, p_max_size, "%s",
1961                                         cur->audacious.items[AUDACIOUS_PLAYLIST_POSITION]);
1962                         }
1963                         OBJ(audacious_main_volume) {
1964                                 snprintf(p, p_max_size, "%s",
1965                                         cur->audacious.items[AUDACIOUS_MAIN_VOLUME]);
1966                         }
1967 #ifdef X11
1968                         OBJ(audacious_bar) {
1969                                 double progress;
1970
1971                                 progress =
1972                                         atof(cur->audacious.items[AUDACIOUS_POSITION_SECONDS]) /
1973                                         atof(cur->audacious.items[AUDACIOUS_LENGTH_SECONDS]);
1974                                 new_bar(obj, p, (int) (progress * 255.0f));
1975                         }
1976 #endif /* X11 */
1977 #endif /* AUDACIOUS */
1978
1979 #ifdef BMPX
1980                         OBJ(bmpx_title) {
1981                                 snprintf(p, p_max_size, "%s", cur->bmpx.title);
1982                         }
1983                         OBJ(bmpx_artist) {
1984                                 snprintf(p, p_max_size, "%s", cur->bmpx.artist);
1985                         }
1986                         OBJ(bmpx_album) {
1987                                 snprintf(p, p_max_size, "%s", cur->bmpx.album);
1988                         }
1989                         OBJ(bmpx_uri) {
1990                                 snprintf(p, p_max_size, "%s", cur->bmpx.uri);
1991                         }
1992                         OBJ(bmpx_track) {
1993                                 snprintf(p, p_max_size, "%i", cur->bmpx.track);
1994                         }
1995                         OBJ(bmpx_bitrate) {
1996                                 snprintf(p, p_max_size, "%i", cur->bmpx.bitrate);
1997                         }
1998 #endif /* BMPX */
1999                         /* we have four different types of top (top, top_mem,
2000                          * top_time and top_io). To avoid having almost-same code four
2001                          * times, we have this special handler. */
2002                         break;
2003                         case OBJ_top:
2004                         case OBJ_top_mem:
2005                         case OBJ_top_time:
2006 #ifdef IOSTATS
2007                         case OBJ_top_io:
2008 #endif
2009                                 /* yes, passing top_name_width instead
2010                                  * of p_max_size is intended here */
2011                                 print_top(obj, p, top_name_width);
2012                         OBJ(tail) {
2013                                 print_tailhead("tail", obj, p, p_max_size);
2014                         }
2015                         OBJ(head) {
2016                                 print_tailhead("head", obj, p, p_max_size);
2017                         }
2018                         OBJ(lines) {
2019                                 static int rep = 0;
2020                                 FILE *fp = open_file(obj->data.s, &rep);
2021
2022                                 if(fp != NULL) {
2023 /* FIXME: use something more general (see also tail.c, head.c */
2024 #define BUFSZ 0x1000
2025                                         char buf[BUFSZ];
2026                                         int j, lines;
2027
2028                                         lines = 0;
2029                                         while(fgets(buf, BUFSZ, fp) != NULL){
2030                                                 for(j = 0; buf[j] != 0; j++) {
2031                                                         if(buf[j] == '\n') {
2032                                                                 lines++;
2033                                                         }
2034                                                 }
2035                                         }
2036                                         sprintf(p, "%d", lines);
2037                                         fclose(fp);
2038                                 } else {
2039                                         sprintf(p, "File Unreadable");
2040                                 }
2041                         }
2042
2043                         OBJ(words) {
2044                                 static int rep = 0;
2045                                 FILE *fp = open_file(obj->data.s, &rep);
2046
2047                                 if(fp != NULL) {
2048                                         char buf[BUFSZ];
2049                                         int j, words;
2050                                         char inword = FALSE;
2051
2052                                         words = 0;
2053                                         while(fgets(buf, BUFSZ, fp) != NULL){
2054                                                 for(j = 0; buf[j] != 0; j++) {
2055                                                         if(!isspace(buf[j])) {
2056                                                                 if(inword == FALSE) {
2057                                                                         words++;
2058                                                                         inword = TRUE;
2059                                                                 }
2060                                                         } else {
2061                                                                 inword = FALSE;
2062                                                         }
2063                                                 }
2064                                         }
2065                                         sprintf(p, "%d", words);
2066                                         fclose(fp);
2067                                 } else {
2068                                         sprintf(p, "File Unreadable");
2069                                 }
2070                         }
2071 #ifdef TCP_PORT_MONITOR
2072                         OBJ(tcp_portmon) {
2073                                 tcp_portmon_action(obj, p, p_max_size);
2074                         }
2075 #endif /* TCP_PORT_MONITOR */
2076
2077 #ifdef HAVE_ICONV
2078                         OBJ(iconv_start) {
2079                                 do_iconv_start(obj);
2080                         }
2081                         OBJ(iconv_stop) {
2082                                 do_iconv_stop();
2083                         }
2084 #endif /* HAVE_ICONV */
2085
2086                         OBJ(entropy_avail) {
2087                                 snprintf(p, p_max_size, "%d", cur->entropy.entropy_avail);
2088                         }
2089                         OBJ(entropy_perc) {
2090                                 percent_print(p, p_max_size,
2091                                               cur->entropy.entropy_avail *
2092                                               100 / cur->entropy.poolsize);
2093                         }
2094                         OBJ(entropy_poolsize) {
2095                                 snprintf(p, p_max_size, "%d", cur->entropy.poolsize);
2096                         }
2097                         OBJ(entropy_bar) {
2098                                 double entropy_perc;
2099
2100                                 entropy_perc = (double) cur->entropy.entropy_avail /
2101                                         (double) cur->entropy.poolsize;
2102 #ifdef X11
2103                                 if(output_methods & TO_X) {
2104                                         new_bar(obj, p, (int) (entropy_perc * 255.0f));
2105                                 } else
2106 #endif /* X11 */
2107                                         new_bar_in_shell(obj, p, p_max_size, (int) (entropy_perc * 100.0f));
2108                         }
2109 #ifdef IBM
2110                         OBJ(smapi) {
2111                                 char *s;
2112                                 if(obj->data.s) {
2113                                         s = smapi_get_val(obj->data.s);
2114                                         snprintf(p, p_max_size, "%s", s);
2115                                         free(s);
2116                                 }
2117                         }
2118                         OBJ(if_smapi_bat_installed) {
2119                                 int idx;
2120                                 if(obj->data.ifblock.s && sscanf(obj->data.ifblock.s, "%i", &idx) == 1) {
2121                                         if(!smapi_bat_installed(idx)) {
2122                                                 DO_JUMP;
2123                                         }
2124                                 } else
2125                                         NORM_ERR("argument to if_smapi_bat_installed must be an integer");
2126                         }
2127                         OBJ(smapi_bat_perc) {
2128                                 int idx, val;
2129                                 if(obj->data.s && sscanf(obj->data.s, "%i", &idx) == 1) {
2130                                         val = smapi_bat_installed(idx) ?
2131                                                 smapi_get_bat_int(idx, "remaining_percent") : 0;
2132                                         percent_print(p, p_max_size, val);
2133                                 } else
2134                                         NORM_ERR("argument to smapi_bat_perc must be an integer");
2135                         }
2136                         OBJ(smapi_bat_temp) {
2137                                 int idx, val;
2138                                 if(obj->data.s && sscanf(obj->data.s, "%i", &idx) == 1) {
2139                                         val = smapi_bat_installed(idx) ?
2140                                                 smapi_get_bat_int(idx, "temperature") : 0;
2141                                         /* temperature is in milli degree celsius */
2142                                         temp_print(p, p_max_size, val / 1000, TEMP_CELSIUS);
2143                                 } else
2144                                         NORM_ERR("argument to smapi_bat_temp must be an integer");
2145                         }
2146                         OBJ(smapi_bat_power) {
2147                                 int idx, val;
2148                                 if(obj->data.s && sscanf(obj->data.s, "%i", &idx) == 1) {
2149                                         val = smapi_bat_installed(idx) ?
2150                                                 smapi_get_bat_int(idx, "power_now") : 0;
2151                                         /* power_now is in mW, set to W with one digit precision */
2152                                         snprintf(p, p_max_size, "%.1f", ((double)val / 1000));
2153                                 } else
2154                                         NORM_ERR("argument to smapi_bat_power must be an integer");
2155                         }
2156 #ifdef X11
2157                         OBJ(smapi_bat_bar) {
2158                                 if(obj->data.i >= 0 && smapi_bat_installed(obj->data.i))
2159                                         new_bar(obj, p, (int)
2160                                                         (255 * smapi_get_bat_int(obj->data.i, "remaining_percent") / 100));
2161                                 else
2162                                         new_bar(obj, p, 0);
2163                         }
2164 #endif /* X11 */
2165 #endif /* IBM */
2166                         OBJ(include) {
2167                                 if(obj->sub) {
2168                                         char buf[max_user_text];
2169
2170                                         generate_text_internal(buf, max_user_text, *obj->sub, cur);
2171                                         snprintf(p, p_max_size, "%s", buf);
2172                                 } else {
2173                                         p[0] = 0;
2174                                 }
2175                         }
2176                         OBJ(blink) {
2177                                 //blinking like this can look a bit ugly if the chars in the font don't have the same width
2178                                 char buf[max_user_text];
2179                                 unsigned int j;
2180
2181                                 generate_text_internal(buf, max_user_text, *obj->sub, cur);
2182                                 snprintf(p, p_max_size, "%s", buf);
2183                                 if(total_updates % 2) {
2184                                         for(j=0; p[j] != 0; j++) {
2185                                                 p[j] = ' ';
2186                                         }
2187                                 }
2188                         }
2189                         OBJ(to_bytes) {
2190                                 char buf[max_user_text];
2191                                 long long bytes;
2192                                 char unit[16];  // 16 because we can also have long names (like mega-bytes)
2193
2194                                 generate_text_internal(buf, max_user_text, *obj->sub, cur);
2195                                 if(sscanf(buf, "%lli%s", &bytes, unit) == 2 && strlen(unit) < 16){
2196                                         if(strncasecmp("b", unit, 1) == 0) snprintf(buf, max_user_text, "%lli", bytes);
2197                                         else if(strncasecmp("k", unit, 1) == 0) snprintf(buf, max_user_text, "%lli", bytes * 1024);
2198                                         else if(strncasecmp("m", unit, 1) == 0) snprintf(buf, max_user_text, "%lli", bytes * 1024 * 1024);
2199                                         else if(strncasecmp("g", unit, 1) == 0) snprintf(buf, max_user_text, "%lli", bytes * 1024 * 1024 * 1024);
2200                                         else if(strncasecmp("t", unit, 1) == 0) snprintf(buf, max_user_text, "%lli", bytes * 1024 * 1024 * 1024 * 1024);
2201                                 }
2202                                 snprintf(p, p_max_size, "%s", buf);
2203                         }
2204                         OBJ(scroll) {
2205                                 print_scroll(obj, p, p_max_size, cur);
2206                         }
2207                         OBJ(combine) {
2208                                 print_combine(obj, p, cur);
2209                         }
2210 #ifdef NVIDIA
2211                         OBJ(nvidia) {
2212                                 print_nvidia_value(obj, display, p, p_max_size);
2213                         }
2214 #endif /* NVIDIA */
2215 #ifdef APCUPSD
2216                         OBJ(apcupsd) {
2217                                 /* This is just a meta-object to set host:port */
2218                         }
2219                         OBJ(apcupsd_name) {
2220                                 snprintf(p, p_max_size, "%s",
2221                                                  cur->apcupsd.items[APCUPSD_NAME]);
2222                         }
2223                         OBJ(apcupsd_model) {
2224                                 snprintf(p, p_max_size, "%s",
2225                                                  cur->apcupsd.items[APCUPSD_MODEL]);
2226                         }
2227                         OBJ(apcupsd_upsmode) {
2228                                 snprintf(p, p_max_size, "%s",
2229                                                  cur->apcupsd.items[APCUPSD_UPSMODE]);
2230                         }
2231                         OBJ(apcupsd_cable) {
2232                                 snprintf(p, p_max_size, "%s",
2233                                                  cur->apcupsd.items[APCUPSD_CABLE]);
2234                         }
2235                         OBJ(apcupsd_status) {
2236                                 snprintf(p, p_max_size, "%s",
2237                                                  cur->apcupsd.items[APCUPSD_STATUS]);
2238                         }
2239                         OBJ(apcupsd_linev) {
2240                                 snprintf(p, p_max_size, "%s",
2241                                                  cur->apcupsd.items[APCUPSD_LINEV]);
2242                         }
2243                         OBJ(apcupsd_load) {
2244                                 snprintf(p, p_max_size, "%s",
2245                                                  cur->apcupsd.items[APCUPSD_LOAD]);
2246                         }
2247                         OBJ(apcupsd_loadbar) {
2248                                 double progress;
2249 #ifdef X11
2250                                 if(output_methods & TO_X) {
2251                                         progress = atof(cur->apcupsd.items[APCUPSD_LOAD]) / 100.0 * 255.0;
2252                                         new_bar(obj, p, (int) progress);
2253                                 } else
2254 #endif /* X11 */
2255                                 {
2256                                         progress = atof(cur->apcupsd.items[APCUPSD_LOAD]);
2257                                         new_bar_in_shell(obj, p, p_max_size, (int) progress);
2258                                 }
2259                         }
2260 #ifdef X11
2261                         OBJ(apcupsd_loadgraph) {
2262                                 double progress;
2263                                 progress =      atof(cur->apcupsd.items[APCUPSD_LOAD]);
2264                                 new_graph(obj, p, (int)progress);
2265                         }
2266                         OBJ(apcupsd_loadgauge) {
2267                                 double progress;
2268                                 progress =      atof(cur->apcupsd.items[APCUPSD_LOAD]) / 100.0 * 255.0;
2269                                 new_gauge(obj, p, (int)progress);
2270                         }
2271 #endif /* X11 */
2272                         OBJ(apcupsd_charge) {
2273                                 snprintf(p, p_max_size, "%s",
2274                                                  cur->apcupsd.items[APCUPSD_CHARGE]);
2275                         }
2276                         OBJ(apcupsd_timeleft) {
2277                                 snprintf(p, p_max_size, "%s",
2278                                                  cur->apcupsd.items[APCUPSD_TIMELEFT]);
2279                         }
2280                         OBJ(apcupsd_temp) {
2281                                 snprintf(p, p_max_size, "%s",
2282                                                  cur->apcupsd.items[APCUPSD_TEMP]);
2283                         }
2284                         OBJ(apcupsd_lastxfer) {
2285                                 snprintf(p, p_max_size, "%s",
2286                                                  cur->apcupsd.items[APCUPSD_LASTXFER]);
2287                         }
2288 #endif /* APCUPSD */
2289                         break;
2290                 }
2291 #undef DO_JUMP
2292
2293
2294                 {
2295                         size_t a = strlen(p);
2296
2297 #ifdef HAVE_ICONV
2298                         iconv_convert(&a, buff_in, p, p_max_size);
2299 #endif /* HAVE_ICONV */
2300                         if (obj->type != OBJ_text && obj->type != OBJ_execp && obj->type != OBJ_execpi
2301                                         && obj->type != OBJ_lua && obj->type != OBJ_lua_parse) {
2302                                 substitute_newlines(p, a - 2);
2303                         }
2304                         p += a;
2305                         p_max_size -= a;
2306                         (*p) = 0;
2307                 }
2308                 obj = obj->next;
2309         }
2310 #ifdef X11
2311         /* load any new fonts we may have had */
2312         if (need_to_load_fonts) {
2313                 load_fonts();
2314         }
2315 #endif /* X11 */
2316 }
2317
2318 void evaluate(const char *text, char *buffer)
2319 {
2320         struct information *tmp_info;
2321         struct text_object subroot;
2322
2323         tmp_info = malloc(sizeof(struct information));
2324         memcpy(tmp_info, &info, sizeof(struct information));
2325         parse_conky_vars(&subroot, text, buffer, tmp_info);
2326         DBGP("evaluated '%s' to '%s'", text, buffer);
2327
2328         free_text_objects(&subroot, 1);
2329         free(tmp_info);
2330 }
2331
2332 double current_update_time, next_update_time, last_update_time;
2333
2334 static void generate_text(void)
2335 {
2336         struct information *cur = &info;
2337         char *p;
2338
2339         special_count = 0;
2340
2341         /* update info */
2342
2343         current_update_time = get_time();
2344
2345         update_stuff();
2346
2347         /* add things to the buffer */
2348
2349         /* generate text */
2350
2351         p = text_buffer;
2352
2353         generate_text_internal(p, max_user_text, global_root_object, cur);
2354
2355         if (stuff_in_uppercase) {
2356                 char *tmp_p;
2357
2358                 tmp_p = text_buffer;
2359                 while (*tmp_p) {
2360                         *tmp_p = toupper(*tmp_p);
2361                         tmp_p++;
2362                 }
2363         }
2364
2365         next_update_time += update_interval;
2366         if (next_update_time < get_time()) {
2367                 next_update_time = get_time() + update_interval;
2368         } else if (next_update_time > get_time() + update_interval) {
2369                 next_update_time = get_time() + update_interval;
2370         }
2371         last_update_time = current_update_time;
2372         total_updates++;
2373 }
2374
2375 void set_update_interval(double interval)
2376 {
2377         update_interval = interval;
2378         update_interval_old = interval;
2379 }
2380
2381 static inline int get_string_width(const char *s)
2382 {
2383         return *s ? calc_text_width(s) : 0;
2384 }
2385
2386 #ifdef X11
2387 static int get_string_width_special(char *s, int special_index)
2388 {
2389         char *p, *final;
2390         int idx = 1;
2391         int width = 0;
2392         long i;
2393
2394         if (!s)
2395                 return 0;
2396
2397         if ((output_methods & TO_X) == 0)
2398                 return strlen(s);
2399
2400         p = strndup(s, text_buffer_size);
2401         final = p;
2402
2403         while (*p) {
2404                 if (*p == SPECIAL_CHAR) {
2405                         /* shift everything over by 1 so that the special char
2406                          * doesn't mess up the size calculation */
2407                         for (i = 0; i < (long)strlen(p); i++) {
2408                                 *(p + i) = *(p + i + 1);
2409                         }
2410                         if (specials[special_index + idx].type == GRAPH
2411                                         || specials[special_index + idx].type == GAUGE
2412                                         || specials[special_index + idx].type == BAR) {
2413                                 width += specials[special_index + idx].width;
2414                         }
2415                         idx++;
2416                 } else if (*p == SECRIT_MULTILINE_CHAR) {
2417                         *p = 0;
2418                         break;
2419                 } else {
2420                         p++;
2421                 }
2422         }
2423         if (strlen(final) > 1) {
2424                 width += calc_text_width(final);
2425         }
2426         free(final);
2427         return width;
2428 }
2429
2430 static int text_size_updater(char *s, int special_index);
2431
2432 int last_font_height;
2433 static void update_text_area(void)
2434 {
2435         int x = 0, y = 0;
2436
2437         if ((output_methods & TO_X) == 0)
2438                 return;
2439         /* update text size if it isn't fixed */
2440 #ifdef OWN_WINDOW
2441         if (!fixed_size)
2442 #endif
2443         {
2444                 text_width = minimum_width;
2445                 text_height = 0;
2446                 last_font_height = font_height();
2447                 for_each_line(text_buffer, text_size_updater);
2448                 text_width += 1;
2449                 if (text_height < minimum_height) {
2450                         text_height = minimum_height;
2451                 }
2452                 if (text_width > maximum_width && maximum_width > 0) {
2453                         text_width = maximum_width;
2454                 }
2455         }
2456
2457         /* get text position on workarea */
2458         switch (text_alignment) {
2459                 case TOP_LEFT:
2460                         x = gap_x;
2461                         y = gap_y;
2462                         break;
2463
2464                 case TOP_RIGHT:
2465                         x = workarea[2] - text_width - gap_x;
2466                         y = gap_y;
2467                         break;
2468
2469                 case TOP_MIDDLE:
2470                         x = workarea[2] / 2 - text_width / 2 - gap_x;
2471                         y = gap_y;
2472                         break;
2473
2474                 default:
2475                 case BOTTOM_LEFT:
2476                         x = gap_x;
2477                         y = workarea[3] - text_height - gap_y;
2478                         break;
2479
2480                 case BOTTOM_RIGHT:
2481                         x = workarea[2] - text_width - gap_x;
2482                         y = workarea[3] - text_height - gap_y;
2483                         break;
2484
2485                 case BOTTOM_MIDDLE:
2486                         x = workarea[2] / 2 - text_width / 2 - gap_x;
2487                         y = workarea[3] - text_height - gap_y;
2488                         break;
2489
2490                 case MIDDLE_LEFT:
2491                         x = gap_x;
2492                         y = workarea[3] / 2 - text_height / 2 - gap_y;
2493                         break;
2494
2495                 case MIDDLE_RIGHT:
2496                         x = workarea[2] - text_width - gap_x;
2497                         y = workarea[3] / 2 - text_height / 2 - gap_y;
2498                         break;
2499
2500 #ifdef OWN_WINDOW
2501                 case NONE:      // Let the WM manage the window
2502                         x = window.x;
2503                         y = window.y;
2504
2505                         fixed_pos = 1;
2506                         fixed_size = 1;
2507                         break;
2508 #endif
2509         }
2510 #ifdef OWN_WINDOW
2511
2512         if (own_window && !fixed_pos) {
2513                 x += workarea[0];
2514                 y += workarea[1];
2515                 text_start_x = window.border_inner_margin + window.border_outer_margin + window.border_width;
2516                 text_start_y = window.border_inner_margin + window.border_outer_margin + window.border_width;
2517                 window.x = x - window.border_inner_margin - window.border_outer_margin - window.border_width;
2518                 window.y = y - window.border_inner_margin - window.border_outer_margin - window.border_width;
2519         } else
2520 #endif
2521         {
2522                 /* If window size doesn't match to workarea's size,
2523                  * then window probably includes panels (gnome).
2524                  * Blah, doesn't work on KDE. */
2525                 if (workarea[2] != window.width || workarea[3] != window.height) {
2526                         y += workarea[1];
2527                         x += workarea[0];
2528                 }
2529
2530                 text_start_x = x;
2531                 text_start_y = y;
2532         }
2533 #ifdef HAVE_LUA
2534         /* update lua window globals */
2535         llua_update_window_table(text_start_x, text_start_y, text_width, text_height);
2536 #endif /* HAVE_LUA */
2537 }
2538
2539 /* drawing stuff */
2540
2541 static int cur_x, cur_y;        /* current x and y for drawing */
2542 #endif
2543 //draw_mode also without X11 because we only need to print to stdout with FG
2544 static int draw_mode;           /* FG, BG or OUTLINE */
2545 #ifdef X11
2546 static long current_color;
2547
2548 static int text_size_updater(char *s, int special_index)
2549 {
2550         int w = 0;
2551         char *p;
2552
2553         if ((output_methods & TO_X) == 0)
2554                 return 0;
2555         /* get string widths and skip specials */
2556         p = s;
2557         while (*p) {
2558                 if (*p == SPECIAL_CHAR) {
2559                         *p = '\0';
2560                         w += get_string_width(s);
2561                         *p = SPECIAL_CHAR;
2562
2563                         if (specials[special_index].type == BAR
2564                                         || specials[special_index].type == GAUGE
2565                                         || specials[special_index].type == GRAPH) {
2566                                 w += specials[special_index].width;
2567                                 if (specials[special_index].height > last_font_height) {
2568                                         last_font_height = specials[special_index].height;
2569                                         last_font_height += font_height();
2570                                 }
2571                         } else if (specials[special_index].type == OFFSET) {
2572                                 if (specials[special_index].arg > 0) {
2573                                         w += specials[special_index].arg;
2574                                 }
2575                         } else if (specials[special_index].type == VOFFSET) {
2576                                 last_font_height += specials[special_index].arg;
2577                         } else if (specials[special_index].type == GOTO) {
2578                                 if (specials[special_index].arg > cur_x) {
2579                                         w = (int) specials[special_index].arg;
2580                                 }
2581                         } else if (specials[special_index].type == TAB) {
2582                                 int start = specials[special_index].arg;
2583                                 int step = specials[special_index].width;
2584
2585                                 if (!step || step < 0) {
2586                                         step = 10;
2587                                 }
2588                                 w += step - (cur_x - text_start_x - start) % step;
2589                         } else if (specials[special_index].type == FONT) {
2590                                 selected_font = specials[special_index].font_added;
2591                                 if (font_height() > last_font_height) {
2592                                         last_font_height = font_height();
2593                                 }
2594                         }
2595
2596                         special_index++;
2597                         s = p + 1;
2598                 } else if (*p == SECRIT_MULTILINE_CHAR) {
2599                         int lw;
2600                         *p = '\0';
2601                         lw = get_string_width(s);
2602                         *p = SECRIT_MULTILINE_CHAR;
2603                         s = p + 1;
2604                         w = lw > w ? lw : w;
2605                         text_height += last_font_height;
2606                 }
2607                 p++;
2608         }
2609         w += get_string_width(s);
2610         if (w > text_width) {
2611                 text_width = w;
2612         }
2613         if (text_width > maximum_width && maximum_width) {
2614                 text_width = maximum_width;
2615         }
2616
2617         text_height += last_font_height;
2618         last_font_height = font_height();
2619         return special_index;
2620 }
2621 #endif /* X11 */
2622
2623 static inline void set_foreground_color(long c)
2624 {
2625 #ifdef X11
2626         if (output_methods & TO_X) {
2627                 current_color = c;
2628                 XSetForeground(display, window.gc, c);
2629         }
2630 #endif /* X11 */
2631 #ifdef NCURSES
2632         if (output_methods & TO_NCURSES) {
2633                 attron(COLOR_PAIR(c));
2634         }
2635 #endif /* NCURSES */
2636         UNUSED(c);
2637         return;
2638 }
2639
2640 static void draw_string(const char *s)
2641 {
2642         int i, i2, pos, width_of_s;
2643         int max = 0;
2644         int added;
2645         char *s_with_newlines;
2646
2647         if (s[0] == '\0') {
2648                 return;
2649         }
2650
2651         width_of_s = get_string_width(s);
2652         s_with_newlines = strdup(s);
2653         for(i = 0; i < (int) strlen(s_with_newlines); i++) {
2654                 if(s_with_newlines[i] == SECRIT_MULTILINE_CHAR) {
2655                         s_with_newlines[i] = '\n';
2656                 }
2657         }
2658         if ((output_methods & TO_STDOUT) && draw_mode == FG) {
2659                 printf("%s\n", s_with_newlines);
2660                 if (extra_newline) fputc('\n', stdout);
2661                 fflush(stdout); /* output immediately, don't buffer */
2662         }
2663         if ((output_methods & TO_STDERR) && draw_mode == FG) {
2664                 fprintf(stderr, "%s\n", s_with_newlines);
2665                 fflush(stderr); /* output immediately, don't buffer */
2666         }
2667         if ((output_methods & OVERWRITE_FILE) && draw_mode == FG && overwrite_fpointer) {
2668                 fprintf(overwrite_fpointer, "%s\n", s_with_newlines);
2669         }
2670         if ((output_methods & APPEND_FILE) && draw_mode == FG && append_fpointer) {
2671                 fprintf(append_fpointer, "%s\n", s_with_newlines);
2672         }
2673 #ifdef NCURSES
2674         if ((output_methods & TO_NCURSES) && draw_mode == FG) {
2675                 printw("%s", s_with_newlines);
2676         }
2677 #endif
2678         free(s_with_newlines);
2679         memset(tmpstring1, 0, text_buffer_size);
2680         memset(tmpstring2, 0, text_buffer_size);
2681         strncpy(tmpstring1, s, text_buffer_size - 1);
2682         pos = 0;
2683         added = 0;
2684
2685 #ifdef X11
2686         if (output_methods & TO_X) {
2687                 max = ((text_width - width_of_s) / get_string_width(" "));
2688         }
2689 #endif /* X11 */
2690         /* This code looks for tabs in the text and coverts them to spaces.
2691          * The trick is getting the correct number of spaces, and not going
2692          * over the window's size without forcing the window larger. */
2693         for (i = 0; i < (int) text_buffer_size; i++) {
2694                 if (tmpstring1[i] == '\t') {
2695                         i2 = 0;
2696                         for (i2 = 0; i2 < (8 - (1 + pos) % 8) && added <= max; i2++) {
2697                                 /* guard against overrun */
2698                                 tmpstring2[MIN(pos + i2, (int)text_buffer_size - 1)] = ' ';
2699                                 added++;
2700                         }
2701                         pos += i2;
2702                 } else {
2703                         /* guard against overrun */
2704                         tmpstring2[MIN(pos, (int) text_buffer_size - 1)] = tmpstring1[i];
2705                         pos++;
2706                 }
2707         }
2708 #ifdef X11
2709         if (output_methods & TO_X) {
2710                 if (text_width == maximum_width) {
2711                         /* this means the text is probably pushing the limit,
2712                          * so we'll chop it */
2713                         while (cur_x + get_string_width(tmpstring2) - text_start_x
2714                                         > maximum_width && strlen(tmpstring2) > 0) {
2715                                 tmpstring2[strlen(tmpstring2) - 1] = '\0';
2716                         }
2717                 }
2718         }
2719 #endif /* X11 */
2720         s = tmpstring2;
2721 #ifdef X11
2722         if (output_methods & TO_X) {
2723 #ifdef XFT
2724                 if (use_xft) {
2725                         XColor c;
2726                         XftColor c2;
2727
2728                         c.pixel = current_color;
2729                         XQueryColor(display, DefaultColormap(display, screen), &c);
2730
2731                         c2.pixel = c.pixel;
2732                         c2.color.red = c.red;
2733                         c2.color.green = c.green;
2734                         c2.color.blue = c.blue;
2735                         c2.color.alpha = fonts[selected_font].font_alpha;
2736                         if (utf8_mode) {
2737                                 XftDrawStringUtf8(window.xftdraw, &c2, fonts[selected_font].xftfont,
2738                                         cur_x, cur_y, (const XftChar8 *) s, strlen(s));
2739                         } else {
2740                                 XftDrawString8(window.xftdraw, &c2, fonts[selected_font].xftfont,
2741                                         cur_x, cur_y, (const XftChar8 *) s, strlen(s));
2742                         }
2743                 } else
2744 #endif
2745                 {
2746                         XDrawString(display, window.drawable, window.gc, cur_x, cur_y, s,
2747                                 strlen(s));
2748                 }
2749                 cur_x += width_of_s;
2750         }
2751 #endif /* X11 */
2752         memcpy(tmpstring1, s, text_buffer_size);
2753 }
2754
2755 int draw_each_line_inner(char *s, int special_index, int last_special_applied)
2756 {
2757 #ifdef X11
2758         int font_h;
2759         int cur_y_add = 0;
2760 #endif /* X11 */
2761         char *recurse = 0;
2762         char *p = s;
2763         int last_special_needed = -1;
2764         int orig_special_index = special_index;
2765
2766 #ifdef X11
2767         if (output_methods & TO_X) {
2768                 font_h = font_height();
2769                 cur_y += font_ascent();
2770         }
2771         cur_x = text_start_x;
2772 #endif /* X11 */
2773
2774         while (*p) {
2775                 if (*p == SECRIT_MULTILINE_CHAR) {
2776                         /* special newline marker for multiline objects */
2777                         recurse = p + 1;
2778                         *p = '\0';
2779                         break;
2780                 }
2781                 if (*p == SPECIAL_CHAR || last_special_applied > -1) {
2782 #ifdef X11
2783                         int w = 0;
2784 #endif /* X11 */
2785
2786                         /* draw string before special, unless we're dealing multiline
2787                          * specials */
2788                         if (last_special_applied > -1) {
2789                                 special_index = last_special_applied;
2790                         } else {
2791                                 *p = '\0';
2792                                 draw_string(s);
2793                                 *p = SPECIAL_CHAR;
2794                                 s = p + 1;
2795                         }
2796                         /* draw special */
2797                         switch (specials[special_index].type) {
2798 #ifdef X11
2799                                 case HORIZONTAL_LINE:
2800                                 {
2801                                         int h = specials[special_index].height;
2802                                         int mid = font_ascent() / 2;
2803
2804                                         w = text_start_x + text_width - cur_x;
2805
2806                                         XSetLineAttributes(display, window.gc, h, LineSolid,
2807                                                 CapButt, JoinMiter);
2808                                         XDrawLine(display, window.drawable, window.gc, cur_x,
2809                                                 cur_y - mid / 2, cur_x + w, cur_y - mid / 2);
2810                                         break;
2811                                 }
2812
2813                                 case STIPPLED_HR:
2814                                 {
2815                                         int h = specials[special_index].height;
2816                                         int tmp_s = specials[special_index].arg;
2817                                         int mid = font_ascent() / 2;
2818                                         char ss[2] = { tmp_s, tmp_s };
2819
2820                                         w = text_start_x + text_width - cur_x - 1;
2821                                         XSetLineAttributes(display, window.gc, h, LineOnOffDash,
2822                                                 CapButt, JoinMiter);
2823                                         XSetDashes(display, window.gc, 0, ss, 2);
2824                                         XDrawLine(display, window.drawable, window.gc, cur_x,
2825                                                 cur_y - mid / 2, cur_x + w, cur_y - mid / 2);
2826                                         break;
2827                                 }
2828
2829                                 case BAR:
2830                                 {
2831                                         int h, bar_usage, by;
2832                                         if (cur_x - text_start_x > maximum_width
2833                                                         && maximum_width > 0) {
2834                                                 break;
2835                                         }
2836                                         h = specials[special_index].height;
2837                                         bar_usage = specials[special_index].arg;
2838                                         by = cur_y - (font_ascent() / 2) - 1;
2839
2840                                         if (h < font_h) {
2841                                                 by -= h / 2 - 1;
2842                                         }
2843                                         w = specials[special_index].width;
2844                                         if (w == 0) {
2845                                                 w = text_start_x + text_width - cur_x - 1;
2846                                         }
2847                                         if (w < 0) {
2848                                                 w = 0;
2849                                         }
2850
2851                                         XSetLineAttributes(display, window.gc, 1, LineSolid,
2852                                                 CapButt, JoinMiter);
2853
2854                                         XDrawRectangle(display, window.drawable, window.gc, cur_x,
2855                                                 by, w, h);
2856                                         XFillRectangle(display, window.drawable, window.gc, cur_x,
2857                                                 by, w * bar_usage / 255, h);
2858                                         if (h > cur_y_add
2859                                                         && h > font_h) {
2860                                                 cur_y_add = h;
2861                                         }
2862                                         break;
2863                                 }
2864
2865                                 case GAUGE: /* new GAUGE  */
2866                                 {
2867                                         int h, by = 0;
2868                                         unsigned long last_colour = current_color;
2869 #ifdef MATH
2870                                         float angle, px, py;
2871                                         int usage;
2872 #endif /* MATH */
2873
2874                                         if (cur_x - text_start_x > maximum_width
2875                                                         && maximum_width > 0) {
2876                                                 break;
2877                                         }
2878
2879                                         h = specials[special_index].height;
2880                                         by = cur_y - (font_ascent() / 2) - 1;
2881
2882                                         if (h < font_h) {
2883                                                 by -= h / 2 - 1;
2884                                         }
2885                                         w = specials[special_index].width;
2886                                         if (w == 0) {
2887                                                 w = text_start_x + text_width - cur_x - 1;
2888                                         }
2889                                         if (w < 0) {
2890                                                 w = 0;
2891                                         }
2892
2893                                         XSetLineAttributes(display, window.gc, 1, LineSolid,
2894                                                         CapButt, JoinMiter);
2895
2896                                         XDrawArc(display, window.drawable, window.gc,
2897                                                         cur_x, by, w, h * 2, 0, 180*64);
2898
2899 #ifdef MATH
2900                                         usage = specials[special_index].arg;
2901                                         angle = (M_PI)*(float)(usage)/255.;
2902                                         px = (float)(cur_x+(w/2.))-(float)(w/2.)*cos(angle);
2903                                         py = (float)(by+(h))-(float)(h)*sin(angle);
2904
2905                                         XDrawLine(display, window.drawable, window.gc,
2906                                                         cur_x + (w/2.), by+(h), (int)(px), (int)(py));
2907 #endif /* MATH */
2908
2909                                         if (h > cur_y_add
2910                                                         && h > font_h) {
2911                                                 cur_y_add = h;
2912                                         }
2913
2914                                         set_foreground_color(last_colour);
2915
2916                                         break;
2917
2918                                 }
2919
2920                                 case GRAPH:
2921                                 {
2922                                         int h, by, i = 0, j = 0;
2923                                         int colour_idx = 0;
2924                                         unsigned long last_colour = current_color;
2925                                         unsigned long *tmpcolour = 0;
2926                                         if (cur_x - text_start_x > maximum_width
2927                                                         && maximum_width > 0) {
2928                                                 break;
2929                                         }
2930                                         h = specials[special_index].height;
2931                                         by = cur_y - (font_ascent() / 2) - 1;
2932
2933                                         if (h < font_h) {
2934                                                 by -= h / 2 - 1;
2935                                         }
2936                                         w = specials[special_index].width;
2937                                         if (w == 0) {
2938                                                 w = text_start_x + text_width - cur_x - 1;
2939                                         }
2940                                         if (w < 0) {
2941                                                 w = 0;
2942                                         }
2943                                         if (draw_graph_borders) {
2944                                                 XSetLineAttributes(display, window.gc, 1, LineSolid,
2945                                                         CapButt, JoinMiter);
2946                                                 XDrawRectangle(display, window.drawable, window.gc,
2947                                                         cur_x, by, w, h);
2948                                         }
2949                                         XSetLineAttributes(display, window.gc, 1, LineSolid,
2950                                                 CapButt, JoinMiter);
2951
2952                                         if (specials[special_index].last_colour != 0
2953                                                         || specials[special_index].first_colour != 0) {
2954                                                 tmpcolour = do_gradient(w - 1, specials[special_index].last_colour, specials[special_index].first_colour);
2955                                         }
2956                                         colour_idx = 0;
2957                                         for (i = w - 2; i > -1; i--) {
2958                                                 if (specials[special_index].last_colour != 0
2959                                                                 || specials[special_index].first_colour != 0) {
2960                                                         if (specials[special_index].tempgrad) {
2961 #ifdef DEBUG_lol
2962                                                                 assert(
2963                                                                                 (int)((float)(w - 2) - specials[special_index].graph[j] *
2964                                                                                         (w - 2) / (float)specials[special_index].graph_scale)
2965                                                                                 < w - 1
2966                                                                           );
2967                                                                 assert(
2968                                                                                 (int)((float)(w - 2) - specials[special_index].graph[j] *
2969                                                                                         (w - 2) / (float)specials[special_index].graph_scale)
2970                                                                                 > -1
2971                                                                           );
2972                                                                 if (specials[special_index].graph[j] == specials[special_index].graph_scale) {
2973                                                                         assert(
2974                                                                                         (int)((float)(w - 2) - specials[special_index].graph[j] *
2975                                                                                                 (w - 2) / (float)specials[special_index].graph_scale)
2976                                                                                         == 0
2977                                                                                   );
2978                                                                 }
2979 #endif /* DEBUG_lol */
2980                                                                 XSetForeground(display, window.gc, tmpcolour[
2981                                                                                 (int)((float)(w - 2) - specials[special_index].graph[j] *
2982                                                                                         (w - 2) / (float)specials[special_index].graph_scale)
2983                                                                                 ]);
2984                                                         } else {
2985                                                                 XSetForeground(display, window.gc, tmpcolour[colour_idx++]);
2986                                                         }
2987                                                 }
2988                                                 /* this is mugfugly, but it works */
2989                                                 XDrawLine(display, window.drawable, window.gc,
2990                                                                 cur_x + i + 1, by + h, cur_x + i + 1,
2991                                                                 round_to_int((double)by + h - specials[special_index].graph[j] *
2992                                                                         (h - 1) / specials[special_index].graph_scale));
2993                                                 if ((w - i) / ((float) (w - 2) /
2994                                                                         (specials[special_index].graph_width)) > j
2995                                                                 && j < MAX_GRAPH_DEPTH - 3) {
2996                                                         j++;
2997                                                 }
2998                                         }
2999                                         if (tmpcolour) free(tmpcolour);
3000                                         if (h > cur_y_add
3001                                                         && h > font_h) {
3002                                                 cur_y_add = h;
3003                                         }
3004                                         /* if (draw_mode == BG) {
3005                                                 set_foreground_color(default_bg_color);
3006                                         } else if (draw_mode == OUTLINE) {
3007                                                 set_foreground_color(default_out_color);
3008                                         } else {
3009                                                 set_foreground_color(default_fg_color);
3010                                         } */
3011                                         if (show_graph_range) {
3012                                                 int tmp_x = cur_x;
3013                                                 int tmp_y = cur_y;
3014                                                 unsigned short int seconds = update_interval * w;
3015                                                 char *tmp_day_str;
3016                                                 char *tmp_hour_str;
3017                                                 char *tmp_min_str;
3018                                                 char *tmp_sec_str;
3019                                                 char *tmp_str;
3020                                                 unsigned short int timeunits;
3021                                                 if (seconds != 0) {
3022                                                         timeunits = seconds / 86400; seconds %= 86400;
3023                                                         if (timeunits > 0) {
3024                                                                 asprintf(&tmp_day_str, "%dd", timeunits);
3025                                                         } else {
3026                                                                 tmp_day_str = strdup("");
3027                                                         }
3028                                                         timeunits = seconds / 3600; seconds %= 3600;
3029                                                         if (timeunits > 0) {
3030                                                                 asprintf(&tmp_hour_str, "%dh", timeunits);
3031                                                         } else {
3032                                                                 tmp_hour_str = strdup("");
3033                                                         }
3034                                                         timeunits = seconds / 60; seconds %= 60;
3035                                                         if (timeunits > 0) {
3036                                                                 asprintf(&tmp_min_str, "%dm", timeunits);
3037                                                         } else {
3038                                                                 tmp_min_str = strdup("");
3039                                                         }
3040                                                         if (seconds > 0) {
3041                                                                 asprintf(&tmp_sec_str, "%ds", seconds);
3042                                                         } else {
3043                                                                 tmp_sec_str = strdup("");
3044                                                         }
3045                                                         asprintf(&tmp_str, "%s%s%s%s", tmp_day_str, tmp_hour_str, tmp_min_str, tmp_sec_str);
3046                                                         free(tmp_day_str); free(tmp_hour_str); free(tmp_min_str); free(tmp_sec_str);
3047                                                 } else {
3048                                                         asprintf(&tmp_str, "Range not possible"); // should never happen, but better safe then sorry
3049                                                 }
3050                                                 cur_x += (w / 2) - (font_ascent() * (strlen(tmp_str) / 2));
3051                                                 cur_y += font_h / 2;
3052                                                 draw_string(tmp_str);
3053                                                 free(tmp_str);
3054                                                 cur_x = tmp_x;
3055                                                 cur_y = tmp_y;
3056                                         }
3057 #ifdef MATH
3058                                         if (show_graph_scale && (specials[special_index].show_scale == 1)) {
3059                                                 int tmp_x = cur_x;
3060                                                 int tmp_y = cur_y;
3061                                                 char *tmp_str;
3062                                                 cur_x += font_ascent() / 2;
3063                                                 cur_y += font_h / 2;
3064                                                 tmp_str = (char *)
3065                                                         calloc(log10(floor(specials[special_index].graph_scale)) + 4,
3066                                                                         sizeof(char));
3067                                                 sprintf(tmp_str, "%.1f", specials[special_index].graph_scale);
3068                                                 draw_string(tmp_str);
3069                                                 free(tmp_str);
3070                                                 cur_x = tmp_x;
3071                                                 cur_y = tmp_y;
3072                                         }
3073 #endif
3074                                         set_foreground_color(last_colour);
3075                                         break;
3076                                 }
3077
3078                                 case FONT:
3079                                 {
3080                                         int old = font_ascent();
3081
3082                                         cur_y -= font_ascent();
3083                                         selected_font = specials[special_index].font_added;
3084                                         set_font();
3085                                         if (cur_y + font_ascent() < cur_y + old) {
3086                                                 cur_y += old;
3087                                         } else {
3088                                                 cur_y += font_ascent();
3089                                         }
3090                                         font_h = font_height();
3091                                         break;
3092                                 }
3093 #endif /* X11 */
3094                                 case FG:
3095                                         if (draw_mode == FG) {
3096                                                 set_foreground_color(specials[special_index].arg);
3097                                         }
3098                                         break;
3099
3100 #ifdef X11
3101                                 case BG:
3102                                         if (draw_mode == BG) {
3103                                                 set_foreground_color(specials[special_index].arg);
3104                                         }
3105                                         break;
3106
3107                                 case OUTLINE:
3108                                         if (draw_mode == OUTLINE) {
3109                                                 set_foreground_color(specials[special_index].arg);
3110                                         }
3111                                         break;
3112
3113                                 case OFFSET:
3114                                         w += specials[special_index].arg;
3115                                         last_special_needed = special_index;
3116                                         break;
3117
3118                                 case VOFFSET:
3119                                         cur_y += specials[special_index].arg;
3120                                         break;
3121
3122                                 case GOTO:
3123                                         if (specials[special_index].arg >= 0) {
3124                                                 cur_x = (int) specials[special_index].arg;
3125                                         }
3126                                         last_special_needed = special_index;
3127                                         break;
3128
3129                                 case TAB:
3130                                 {
3131                                         int start = specials[special_index].arg;
3132                                         int step = specials[special_index].width;
3133
3134                                         if (!step || step < 0) {
3135                                                 step = 10;
3136                                         }
3137                                         w = step - (cur_x - text_start_x - start) % step;
3138                                         last_special_needed = special_index;
3139                                         break;
3140                                 }
3141
3142                                 case ALIGNR:
3143                                 {
3144                                         /* TODO: add back in "+ window.border_inner_margin" to the end of
3145                                          * this line? */
3146                                         int pos_x = text_start_x + text_width -
3147                                                 get_string_width_special(s, special_index);
3148
3149                                         /* printf("pos_x %i text_start_x %i text_width %i cur_x %i "
3150                                                 "get_string_width(p) %i gap_x %i "
3151                                                 "specials[special_index].arg %i window.border_inner_margin %i "
3152                                                 "window.border_width %i\n", pos_x, text_start_x, text_width,
3153                                                 cur_x, get_string_width_special(s), gap_x,
3154                                                 specials[special_index].arg, window.border_inner_margin,
3155                                                 window.border_width); */
3156                                         if (pos_x > specials[special_index].arg && pos_x > cur_x) {
3157                                                 cur_x = pos_x - specials[special_index].arg;
3158                                         }
3159                                         last_special_needed = special_index;
3160                                         break;
3161                                 }
3162
3163                                 case ALIGNC:
3164                                 {
3165                                         int pos_x = (text_width) / 2 - get_string_width_special(s,
3166                                                         special_index) / 2 - (cur_x -
3167                                                                 text_start_x);
3168                                         /* int pos_x = text_start_x + text_width / 2 -
3169                                                 get_string_width_special(s) / 2; */
3170
3171                                         /* printf("pos_x %i text_start_x %i text_width %i cur_x %i "
3172                                                 "get_string_width(p) %i gap_x %i "
3173                                                 "specials[special_index].arg %i\n", pos_x, text_start_x,
3174                                                 text_width, cur_x, get_string_width(s), gap_x,
3175                                                 specials[special_index].arg); */
3176                                         if (pos_x > specials[special_index].arg) {
3177                                                 w = pos_x - specials[special_index].arg;
3178                                         }
3179                                         last_special_needed = special_index;
3180                                         break;
3181                                 }
3182 #endif /* X11 */
3183                         }
3184
3185 #ifdef X11
3186                         cur_x += w;
3187 #endif /* X11 */
3188
3189                         if (special_index != last_special_applied) {
3190                                 special_index++;
3191                         } else {
3192                                 special_index = orig_special_index;
3193                                 last_special_applied = -1;
3194                         }
3195                 }
3196                 p++;
3197         }
3198
3199 #ifdef X11
3200         cur_y += cur_y_add;
3201 #endif /* X11 */
3202         draw_string(s);
3203 #ifdef NCURSES
3204         if (output_methods & TO_NCURSES) {
3205                 printw("\n");
3206         }
3207 #endif /* NCURSES */
3208 #ifdef X11
3209         if (output_methods & TO_X)
3210                 cur_y += font_descent();
3211 #endif /* X11 */
3212         if (recurse && *recurse) {
3213                 special_index = draw_each_line_inner(recurse, special_index, last_special_needed);
3214                 *(recurse - 1) = SECRIT_MULTILINE_CHAR;
3215         }
3216         return special_index;
3217 }
3218
3219 static int draw_line(char *s, int special_index)
3220 {
3221 #ifdef X11
3222         if (output_methods & TO_X) {
3223                 return draw_each_line_inner(s, special_index, -1);
3224         }
3225 #endif /* X11 */
3226 #ifdef NCURSES
3227         if (output_methods & TO_NCURSES) {
3228                 return draw_each_line_inner(s, special_index, -1);
3229         }
3230 #endif /* NCURSES */
3231         draw_string(s);
3232         UNUSED(special_index);
3233         return 0;
3234 }
3235
3236 static void draw_text(void)
3237 {
3238 #ifdef X11
3239 #ifdef HAVE_LUA
3240         llua_draw_pre_hook();
3241 #endif /* HAVE_LUA */
3242         if (output_methods & TO_X) {
3243                 cur_y = text_start_y;
3244
3245                 /* draw borders */
3246                 if (draw_borders && window.border_width > 0) {
3247                         if (stippled_borders) {
3248                                 char ss[2] = { stippled_borders, stippled_borders };
3249                                 XSetLineAttributes(display, window.gc, window.border_width, LineOnOffDash,
3250                                         CapButt, JoinMiter);
3251                                 XSetDashes(display, window.gc, 0, ss, 2);
3252                         } else {
3253                                 XSetLineAttributes(display, window.gc, window.border_width, LineSolid,
3254                                         CapButt, JoinMiter);
3255                         }
3256
3257                         XDrawRectangle(display, window.drawable, window.gc,
3258                                 text_start_x - window.border_inner_margin - window.border_width,
3259                                 text_start_y - window.border_inner_margin - window.border_width,
3260                                 text_width + window.border_inner_margin * 2 + window.border_width * 2,
3261                                 text_height + window.border_inner_margin * 2 + window.border_width * 2);
3262                 }
3263
3264                 /* draw text */
3265         }
3266         setup_fonts();
3267 #endif /* X11 */
3268 #ifdef NCURSES
3269         init_pair(COLOR_WHITE, COLOR_WHITE, COLOR_BLACK);
3270         attron(COLOR_PAIR(COLOR_WHITE));
3271 #endif /* NCURSES */
3272         for_each_line(text_buffer, draw_line);
3273 #if defined(HAVE_LUA) && defined(X11)
3274         llua_draw_post_hook();
3275 #endif /* HAVE_LUA */
3276 }
3277
3278 static void draw_stuff(void)
3279 {
3280 #ifdef IMLIB2
3281         cimlib_render(text_start_x, text_start_y, window.width, window.height);
3282 #endif /* IMLIB2 */
3283         if (overwrite_file) {
3284                 overwrite_fpointer = fopen(overwrite_file, "w");
3285                 if(!overwrite_fpointer)
3286                         NORM_ERR("Can't overwrite '%s' anymore", overwrite_file);
3287         }
3288         if (append_file) {
3289                 append_fpointer = fopen(append_file, "a");
3290                 if(!append_fpointer)
3291                         NORM_ERR("Can't append '%s' anymore", append_file);
3292         }
3293 #ifdef X11
3294         if (output_methods & TO_X) {
3295                 selected_font = 0;
3296                 if (draw_shades && !draw_outline) {
3297                         text_start_x++;
3298                         text_start_y++;
3299                         set_foreground_color(default_bg_color);
3300                         draw_mode = BG;
3301                         draw_text();
3302                         text_start_x--;
3303                         text_start_y--;
3304                 }
3305
3306                 if (draw_outline) {
3307                         int i, j;
3308                         selected_font = 0;
3309
3310                         for (i = -1; i < 2; i++) {
3311                                 for (j = -1; j < 2; j++) {
3312                                         if (i == 0 && j == 0) {
3313                                                 continue;
3314                                         }
3315                                         text_start_x += i;
3316                                         text_start_y += j;
3317                                         set_foreground_color(default_out_color);
3318                                         draw_mode = OUTLINE;
3319                                         draw_text();
3320                                         text_start_x -= i;
3321                                         text_start_y -= j;
3322                                 }
3323                         }
3324                 }
3325
3326                 set_foreground_color(default_fg_color);
3327         }
3328 #endif /* X11 */
3329         draw_mode = FG;
3330         draw_text();
3331 #if defined(X11) && defined(HAVE_XDBE)
3332         if (output_methods & TO_X) {
3333                 xdbe_swap_buffers();
3334         }
3335 #endif /* X11 && HAVE_XDBE */
3336         if(overwrite_fpointer) {
3337                 fclose(overwrite_fpointer);
3338                 overwrite_fpointer = 0;
3339         }
3340         if(append_fpointer) {
3341                 fclose(append_fpointer);
3342                 append_fpointer = 0;
3343         }
3344 }
3345
3346 #ifdef X11
3347 static void clear_text(int exposures)
3348 {
3349 #ifdef HAVE_XDBE
3350         if (use_xdbe) {
3351                 /* The swap action is XdbeBackground, which clears */
3352                 return;
3353         } else
3354 #endif
3355         if (display && window.window) { // make sure these are !null
3356                 /* there is some extra space for borders and outlines */
3357                 XClearArea(display, window.window, text_start_x - window.border_inner_margin - window.border_outer_margin - window.border_width,
3358                         text_start_y - window.border_inner_margin - window.border_outer_margin - window.border_width,
3359                         text_width + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2,
3360                         text_height + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2, exposures ? True : 0);
3361         }
3362 }
3363 #endif /* X11 */
3364
3365 static int need_to_update;
3366
3367 /* update_text() generates new text and clears old text area */
3368 static void update_text(void)
3369 {
3370 #ifdef IMLIB2
3371         cimlib_cleanup();
3372 #endif /* IMLIB2 */
3373         generate_text();
3374 #ifdef X11
3375         if (output_methods & TO_X)
3376                 clear_text(1);
3377 #endif /* X11 */
3378         need_to_update = 1;
3379 #ifdef HAVE_LUA
3380         llua_update_info(&info, update_interval);
3381 #endif /* HAVE_LUA */
3382 }
3383
3384 #ifdef HAVE_SYS_INOTIFY_H
3385 int inotify_fd;
3386 #endif
3387
3388 static void main_loop(void)
3389 {
3390         int terminate = 0;
3391 #ifdef SIGNAL_BLOCKING
3392         sigset_t newmask, oldmask;
3393 #endif
3394         double t;
3395 #ifdef HAVE_SYS_INOTIFY_H
3396         int inotify_config_wd = -1;
3397 #define INOTIFY_EVENT_SIZE  (sizeof(struct inotify_event))
3398 #define INOTIFY_BUF_LEN     (20 * (INOTIFY_EVENT_SIZE + 16))
3399         char inotify_buff[INOTIFY_BUF_LEN];
3400 #endif /* HAVE_SYS_INOTIFY_H */
3401
3402
3403 #ifdef SIGNAL_BLOCKING
3404         sigemptyset(&newmask);
3405         sigaddset(&newmask, SIGINT);
3406         sigaddset(&newmask, SIGTERM);
3407         sigaddset(&newmask, SIGUSR1);
3408 #endif
3409
3410         last_update_time = 0.0;
3411         next_update_time = get_time();
3412         info.looped = 0;
3413         while (terminate == 0 && (total_run_times == 0 || info.looped < total_run_times)) {
3414                 if(update_interval_bat != NOBATTERY && update_interval_bat != update_interval_old) {
3415                         char buf[max_user_text];
3416
3417                         get_battery_short_status(buf, max_user_text, "BAT0");
3418                         if(buf[0] == 'D') {
3419                                 update_interval = update_interval_bat;
3420                         } else {
3421                                 update_interval = update_interval_old;
3422                         }
3423                 }
3424                 info.looped++;
3425
3426 #ifdef SIGNAL_BLOCKING
3427                 /* block signals.  we will inspect for pending signals later */
3428                 if (sigprocmask(SIG_BLOCK, &newmask, &oldmask) < 0) {
3429                         CRIT_ERR(NULL, NULL, "unable to sigprocmask()");
3430                 }
3431 #endif
3432
3433 #ifdef X11
3434                 if (output_methods & TO_X) {
3435                         XFlush(display);
3436
3437                         /* wait for X event or timeout */
3438
3439                         if (!XPending(display)) {
3440                                 fd_set fdsr;
3441                                 struct timeval tv;
3442                                 int s;
3443                                 t = next_update_time - get_time();
3444
3445                                 if (t < 0) {
3446                                         t = 0;
3447                                 } else if (t > update_interval) {
3448                                         t = update_interval;
3449                                 }
3450
3451                                 tv.tv_sec = (long) t;
3452                                 tv.tv_usec = (long) (t * 1000000) % 1000000;
3453                                 FD_ZERO(&fdsr);
3454                                 FD_SET(ConnectionNumber(display), &fdsr);
3455
3456                                 s = select(ConnectionNumber(display) + 1, &fdsr, 0, 0, &tv);
3457                                 if (s == -1) {
3458                                         if (errno != EINTR) {
3459                                                 NORM_ERR("can't select(): %s", strerror(errno));
3460                                         }
3461                                 } else {
3462                                         /* timeout */
3463                                         if (s == 0) {
3464                                                 update_text();
3465                                         }
3466                                 }
3467                         }
3468
3469                         if (need_to_update) {
3470 #ifdef OWN_WINDOW
3471                                 int wx = window.x, wy = window.y;
3472 #endif
3473
3474                                 need_to_update = 0;
3475                                 selected_font = 0;
3476                                 update_text_area();
3477 #ifdef OWN_WINDOW
3478                                 if (own_window) {
3479                                         int changed = 0;
3480
3481                                         /* resize window if it isn't right size */
3482                                         if (!fixed_size
3483                                                         && (text_width + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2 != window.width
3484                                                                 || text_height + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2 != window.height)) {
3485                                                 window.width = text_width + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2;
3486                                                 window.height = text_height + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2;
3487                                                 draw_stuff(); /* redraw everything in our newly sized window */
3488                                                 XResizeWindow(display, window.window, window.width,
3489                                                                 window.height); /* resize window */
3490                                                 set_transparent_background(window.window);
3491 #ifdef HAVE_XDBE
3492                                                 /* swap buffers */
3493                                                 xdbe_swap_buffers();
3494 #endif
3495
3496                                                 changed++;
3497 #ifdef HAVE_LUA
3498                                                 /* update lua window globals */
3499                                                 llua_update_window_table(text_start_x, text_start_y, text_width, text_height);
3500 #endif /* HAVE_LUA */
3501                                         }
3502
3503                                         /* move window if it isn't in right position */
3504                                         if (!fixed_pos && (window.x != wx || window.y != wy)) {
3505                                                 XMoveWindow(display, window.window, window.x, window.y);
3506                                                 changed++;
3507                                         }
3508
3509                                         /* update struts */
3510                                         if (changed && window.type == TYPE_PANEL) {
3511                                                 int sidenum = -1;
3512
3513                                                 fprintf(stderr, PACKAGE_NAME": defining struts\n");
3514                                                 fflush(stderr);
3515
3516                                                 switch (text_alignment) {
3517                                                         case TOP_LEFT:
3518                                                         case TOP_RIGHT:
3519                                                         case TOP_MIDDLE:
3520                                                                 {
3521                                                                         sidenum = 2;
3522                                                                         break;
3523                                                                 }
3524                                                         case BOTTOM_LEFT:
3525                                                         case BOTTOM_RIGHT:
3526                                                         case BOTTOM_MIDDLE:
3527                                                                 {
3528                                                                         sidenum = 3;
3529                                                                         break;
3530                                                                 }
3531                                                         case MIDDLE_LEFT:
3532                                                                 {
3533                                                                         sidenum = 0;
3534                                                                         break;
3535                                                                 }
3536                                                         case MIDDLE_RIGHT:
3537                                                                 {
3538                                                                         sidenum = 1;
3539                                                                         break;
3540                                                                 }
3541                                                 }
3542
3543                                                 set_struts(sidenum);
3544                                         }
3545                                 }
3546 #endif
3547
3548                                 clear_text(1);
3549
3550 #ifdef HAVE_XDBE
3551                                 if (use_xdbe) {
3552                                         XRectangle r;
3553
3554                                         r.x = text_start_x - window.border_inner_margin - window.border_outer_margin - window.border_width;
3555                                         r.y = text_start_y - window.border_inner_margin - window.border_outer_margin - window.border_width;
3556                                         r.width = text_width + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2;
3557                                         r.height = text_height + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2;
3558                                         XUnionRectWithRegion(&r, x11_stuff.region, x11_stuff.region);
3559                                 }
3560 #endif
3561                         }
3562
3563                         /* handle X events */
3564                         while (XPending(display)) {
3565                                 XEvent ev;
3566
3567                                 XNextEvent(display, &ev);
3568                                 switch (ev.type) {
3569                                         case Expose:
3570                                         {
3571                                                 XRectangle r;
3572                                                 r.x = ev.xexpose.x;
3573                                                 r.y = ev.xexpose.y;
3574                                                 r.width = ev.xexpose.width;
3575                                                 r.height = ev.xexpose.height;
3576                                                 XUnionRectWithRegion(&r, x11_stuff.region, x11_stuff.region);
3577                                                 break;
3578                                         }
3579
3580                                         case PropertyNotify:
3581                                         {
3582                                                 if ( ev.xproperty.state == PropertyNewValue ) {
3583                                                         get_x11_desktop_info( ev.xproperty.display, ev.xproperty.atom );
3584                                                 }
3585                                                 break;
3586                                         }
3587
3588 #ifdef OWN_WINDOW
3589                                         case ReparentNotify:
3590                                                 /* set background to ParentRelative for all parents */
3591                                                 if (own_window) {
3592                                                         set_transparent_background(window.window);
3593                                                 }
3594                                                 break;
3595
3596                                         case ConfigureNotify:
3597                                                 if (own_window) {
3598                                                         /* if window size isn't what expected, set fixed size */
3599                                                         if (ev.xconfigure.width != window.width
3600                                                                         || ev.xconfigure.height != window.height) {
3601                                                                 if (window.width != 0 && window.height != 0) {
3602                                                                         fixed_size = 1;
3603                                                                 }
3604
3605                                                                 /* clear old stuff before screwing up
3606                                                                  * size and pos */
3607                                                                 clear_text(1);
3608
3609                                                                 {
3610                                                                         XWindowAttributes attrs;
3611                                                                         if (XGetWindowAttributes(display,
3612                                                                                         window.window, &attrs)) {
3613                                                                                 window.width = attrs.width;
3614                                                                                 window.height = attrs.height;
3615                                                                         }
3616                                                                 }
3617
3618                                                                 text_width = window.width - window.border_inner_margin * 2 - window.border_outer_margin * 2 - window.border_width * 2;
3619                                                                 text_height = window.height - window.border_inner_margin * 2 - window.border_outer_margin * 2 - window.border_width * 2;
3620                                                                 if (text_width > maximum_width
3621                                                                                 && maximum_width > 0) {
3622                                                                         text_width = maximum_width;
3623                                                                 }
3624                                                         }
3625
3626                                                         /* if position isn't what expected, set fixed pos
3627                                                          * total_updates avoids setting fixed_pos when window
3628                                                          * is set to weird locations when started */
3629                                                         /* // this is broken
3630                                                         if (total_updates >= 2 && !fixed_pos
3631                                                                         && (window.x != ev.xconfigure.x
3632                                                                         || window.y != ev.xconfigure.y)
3633                                                                         && (ev.xconfigure.x != 0
3634                                                                         || ev.xconfigure.y != 0)) {
3635                                                                 fixed_pos = 1;
3636                                                         } */
3637                                                 }
3638                                                 break;
3639
3640                                         case ButtonPress:
3641                                                 if (own_window) {
3642                                                         /* if an ordinary window with decorations */
3643                                                         if ((window.type == TYPE_NORMAL &&
3644                                                                                 (!TEST_HINT(window.hints,
3645                                                                                                         HINT_UNDECORATED))) ||
3646                                                                         window.type == TYPE_DESKTOP) {
3647                                                                 /* allow conky to hold input focus. */
3648                                                                 break;
3649                                                         } else {
3650                                                                 /* forward the click to the desktop window */
3651                                                                 XUngrabPointer(display, ev.xbutton.time);
3652                                                                 ev.xbutton.window = window.desktop;
3653                                                                 ev.xbutton.x = ev.xbutton.x_root;
3654                                                                 ev.xbutton.y = ev.xbutton.y_root;
3655                                                                 XSendEvent(display, ev.xbutton.window, False,
3656                                                                         ButtonPressMask, &ev);
3657                                                                 XSetInputFocus(display, ev.xbutton.window,
3658                                                                         RevertToParent, ev.xbutton.time);
3659                                                         }
3660                                                 }
3661                                                 break;
3662
3663                                         case ButtonRelease:
3664                                                 if (own_window) {
3665                                                         /* if an ordinary window with decorations */
3666                                                         if ((window.type == TYPE_NORMAL)
3667                                                                         && (!TEST_HINT(window.hints,
3668                                                                         HINT_UNDECORATED))) {
3669                                                                 /* allow conky to hold input focus. */
3670                                                                 break;
3671                                                         } else {
3672                                                                 /* forward the release to the desktop window */
3673                                                                 ev.xbutton.window = window.desktop;
3674                                                                 ev.xbutton.x = ev.xbutton.x_root;
3675                                                                 ev.xbutton.y = ev.xbutton.y_root;
3676                                                                 XSendEvent(display, ev.xbutton.window, False,
3677                                                                         ButtonReleaseMask, &ev);
3678                                                         }
3679                                                 }
3680                                                 break;
3681
3682 #endif
3683
3684                                         default:
3685 #ifdef HAVE_XDAMAGE
3686                                                 if (ev.type == x11_stuff.event_base + XDamageNotify) {
3687                                                         XDamageNotifyEvent *dev = (XDamageNotifyEvent *) &ev;
3688
3689                                                         XFixesSetRegion(display, x11_stuff.part, &dev->area, 1);
3690                                                         XFixesUnionRegion(display, x11_stuff.region2, x11_stuff.region2, x11_stuff.part);
3691                                                 }
3692 #endif /* HAVE_XDAMAGE */
3693                                                 break;
3694                                 }
3695                         }
3696
3697 #ifdef HAVE_XDAMAGE
3698                         XDamageSubtract(display, x11_stuff.damage, x11_stuff.region2, None);
3699                         XFixesSetRegion(display, x11_stuff.region2, 0, 0);
3700 #endif /* HAVE_XDAMAGE */
3701
3702                         /* XDBE doesn't seem to provide a way to clear the back buffer
3703                          * without interfering with the front buffer, other than passing
3704                          * XdbeBackground to XdbeSwapBuffers. That means that if we're
3705                          * using XDBE, we need to redraw the text even if it wasn't part of
3706                          * the exposed area. OTOH, if we're not going to call draw_stuff at
3707                          * all, then no swap happens and we can safely do nothing. */
3708
3709                         if (!XEmptyRegion(x11_stuff.region)) {
3710 #ifdef HAVE_XDBE
3711                                 if (use_xdbe) {
3712                                         XRectangle r;
3713
3714                                         r.x = text_start_x - window.border_inner_margin - window.border_outer_margin - window.border_width;
3715                                         r.y = text_start_y - window.border_inner_margin - window.border_outer_margin - window.border_width;
3716                                         r.width = text_width + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2;
3717                                         r.height = text_height + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2;
3718                                         XUnionRectWithRegion(&r, x11_stuff.region, x11_stuff.region);
3719                                 }
3720 #endif
3721                                 XSetRegion(display, window.gc, x11_stuff.region);
3722 #ifdef XFT
3723                                 if (use_xft) {
3724                                         XftDrawSetClip(window.xftdraw, x11_stuff.region);
3725                                 }
3726 #endif
3727                                 draw_stuff();
3728                                 XDestroyRegion(x11_stuff.region);
3729                                 x11_stuff.region = XCreateRegion();
3730                         }
3731                 } else {
3732 #endif /* X11 */
3733                         t = (next_update_time - get_time()) * 1000000;
3734                         if(t > 0) usleep((useconds_t)t);
3735                         update_text();
3736                         draw_stuff();
3737 #ifdef NCURSES
3738                         if(output_methods & TO_NCURSES) {
3739                                 refresh();
3740                                 clear();
3741                         }
3742 #endif
3743 #ifdef X11
3744                 }
3745 #endif /* X11 */
3746
3747 #ifdef SIGNAL_BLOCKING
3748                 /* unblock signals of interest and let handler fly */
3749                 if (sigprocmask(SIG_SETMASK, &oldmask, NULL) < 0) {
3750                         CRIT_ERR(NULL, NULL, "unable to sigprocmask()");
3751                 }
3752 #endif
3753
3754                 switch (g_signal_pending) {
3755                         case SIGHUP:
3756                         case SIGUSR1:
3757                                 NORM_ERR("received SIGHUP or SIGUSR1. reloading the config file.");
3758                                 reload_config();
3759                                 break;
3760                         case SIGINT:
3761                         case SIGTERM:
3762                                 NORM_ERR("received SIGINT or SIGTERM to terminate. bye!");
3763                                 terminate = 1;
3764 #ifdef X11
3765                                 if (output_methods & TO_X) {
3766                                         XDestroyRegion(x11_stuff.region);
3767                                         x11_stuff.region = NULL;
3768 #ifdef HAVE_XDAMAGE
3769                                         XDamageDestroy(display, x11_stuff.damage);
3770                                         XFixesDestroyRegion(display, x11_stuff.region2);
3771                                         XFixesDestroyRegion(display, x11_stuff.part);
3772 #endif /* HAVE_XDAMAGE */
3773                                         if (disp) {
3774                                                 free(disp);
3775                                         }
3776                                 }
3777 #endif /* X11 */
3778                                 if(overwrite_file) {
3779                                         free(overwrite_file);
3780                                         overwrite_file = 0;
3781                                 }
3782                                 if(append_file) {
3783                                         free(append_file);
3784                                         append_file = 0;
3785                                 }
3786                                 break;
3787                         default:
3788                                 /* Reaching here means someone set a signal
3789                                  * (SIGXXXX, signal_handler), but didn't write any code
3790                                  * to deal with it.
3791                                  * If you don't want to handle a signal, don't set a handler on
3792                                  * it in the first place. */
3793                                 if (g_signal_pending) {
3794                                         NORM_ERR("ignoring signal (%d)", g_signal_pending);
3795                                 }
3796                                 break;
3797                 }
3798 #ifdef HAVE_SYS_INOTIFY_H
3799                 if (inotify_fd != -1 && inotify_config_wd == -1 && current_config != 0) {
3800                         inotify_config_wd = inotify_add_watch(inotify_fd,
3801                                         current_config,
3802                                         IN_MODIFY);
3803                 }
3804                 if (inotify_fd != -1 && inotify_config_wd != -1 && current_config != 0) {
3805                         int len = 0, idx = 0;
3806                         fd_set descriptors;
3807                         struct timeval time_to_wait;
3808
3809                         FD_ZERO(&descriptors);
3810                         FD_SET(inotify_fd, &descriptors);
3811
3812                         time_to_wait.tv_sec = time_to_wait.tv_usec = 0;
3813
3814                         select(inotify_fd + 1, &descriptors, NULL, NULL, &time_to_wait);
3815                         if (FD_ISSET(inotify_fd, &descriptors)) {
3816                                 /* process inotify events */
3817                                 len = read(inotify_fd, inotify_buff, INOTIFY_BUF_LEN);
3818                                 while (len > 0 && idx < len) {
3819                                         struct inotify_event *ev = (struct inotify_event *) &inotify_buff[idx];
3820                                         if (ev->wd == inotify_config_wd && (ev->mask & IN_MODIFY || ev->mask & IN_IGNORED)) {
3821                                                 /* current_config should be reloaded */
3822                                                 NORM_ERR("'%s' modified, reloading...", current_config);
3823                                                 reload_config();
3824                                                 if (ev->mask & IN_IGNORED) {
3825                                                         /* for some reason we get IN_IGNORED here
3826                                                          * sometimes, so we need to re-add the watch */
3827                                                         inotify_config_wd = inotify_add_watch(inotify_fd,
3828                                                                         current_config,
3829                                                                         IN_MODIFY);
3830                                                 }
3831                                         }
3832 #ifdef HAVE_LUA
3833                                         else {
3834                                                 llua_inotify_query(ev->wd, ev->mask);
3835                                         }
3836 #endif /* HAVE_LUA */
3837                                         idx += INOTIFY_EVENT_SIZE + ev->len;
3838                                 }
3839                         }
3840                 }
3841 #endif /* HAVE_SYS_INOTIFY_H */
3842
3843 #ifdef HAVE_LUA
3844                 llua_update_info(&info, update_interval);
3845 #endif /* HAVE_LUA */
3846                 g_signal_pending = 0;
3847         }
3848         clean_up(NULL, NULL);
3849
3850 #ifdef HAVE_SYS_INOTIFY_H
3851         if (inotify_fd != -1) {
3852                 inotify_rm_watch(inotify_fd, inotify_config_wd);
3853                 close(inotify_fd);
3854                 inotify_fd = inotify_config_wd = 0;
3855         }
3856 #endif /* HAVE_SYS_INOTIFY_H */
3857 }
3858
3859 #ifdef X11
3860 static void load_config_file_x11(const char *);
3861 #endif /* X11 */
3862 void initialisation(int argc, char** argv);
3863
3864         /* reload the config file */
3865 static void reload_config(void)
3866 {
3867         char *current_config_copy = strdup(current_config);
3868         clean_up(NULL, NULL);
3869         current_config = current_config_copy;
3870         initialisation(argc_copy, argv_copy);
3871 }
3872
3873 void clean_up(void *memtofree1, void* memtofree2)
3874 {
3875         int i;
3876
3877 #ifdef NCURSES
3878         if(output_methods & TO_NCURSES) {
3879                 endwin();
3880         }
3881 #endif
3882         conftree_empty(currentconffile);
3883         currentconffile = NULL;
3884         if(memtofree1) {
3885                 free(memtofree1);
3886         }
3887         if(memtofree2) {
3888                 free(memtofree2);
3889         }
3890         timed_thread_destroy_registered_threads();
3891
3892         if (info.cpu_usage) {
3893                 free(info.cpu_usage);
3894                 info.cpu_usage = NULL;
3895         }
3896 #ifdef X11
3897         if (x_initialised == YES) {
3898                 XClearArea(display, window.window, text_start_x - window.border_inner_margin - window.border_outer_margin - window.border_width,
3899                         text_start_y - window.border_inner_margin - window.border_outer_margin - window.border_width,
3900                         text_width + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2,
3901                         text_height + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2, 0);
3902                 destroy_window();
3903                 free_fonts();
3904                 if(x11_stuff.region) {
3905                         XDestroyRegion(x11_stuff.region);
3906                         x11_stuff.region = NULL;
3907                 }
3908                 XCloseDisplay(display);
3909                 display = NULL;
3910                 if(info.x11.desktop.all_names) {
3911                         free(info.x11.desktop.all_names);
3912                         info.x11.desktop.all_names = NULL;
3913                 }
3914                 if (info.x11.desktop.name) {
3915                         free(info.x11.desktop.name);
3916                         info.x11.desktop.name = NULL;
3917                 }
3918                 x_initialised = NO;
3919         }else{
3920                 free(fonts);    //in set_default_configurations a font is set but not loaded
3921                 font_count = -1;
3922         }
3923
3924 #endif /* X11 */
3925
3926         free_update_callbacks();
3927
3928         free_templates();
3929
3930         free_text_objects(&global_root_object, 0);
3931         if (tmpstring1) {
3932                 free(tmpstring1);
3933                 tmpstring1 = 0;
3934         }
3935         if (tmpstring2) {
3936                 free(tmpstring2);
3937                 tmpstring2 = 0;
3938         }
3939         if (text_buffer) {
3940                 free(text_buffer);
3941                 text_buffer = 0;
3942         }
3943
3944         if (global_text) {
3945                 free(global_text);
3946                 global_text = 0;
3947         }
3948
3949         free(current_config);
3950         current_config = 0;
3951
3952 #ifdef TCP_PORT_MONITOR
3953         tcp_portmon_clear();
3954 #endif
3955 #ifdef HAVE_CURL
3956         ccurl_free_info();
3957 #endif
3958 #ifdef RSS
3959         rss_free_info();
3960 #endif
3961 #ifdef WEATHER
3962         weather_free_info();
3963 #endif
3964 #ifdef HAVE_LUA
3965         llua_shutdown_hook();
3966         llua_close();
3967 #endif /* HAVE_LUA */
3968 #ifdef IMLIB2
3969         if (output_methods & TO_X)
3970                 cimlib_deinit();
3971 #endif /* IMLIB2 */
3972 #ifdef XOAP
3973         xmlCleanupParser();
3974 #endif /* XOAP */
3975
3976         if (specials) {
3977                 for (i = 0; i < special_count; i++) {
3978                         if (specials[i].type == GRAPH) {
3979                                 free(specials[i].graph);
3980                         }
3981                 }
3982                 free(specials);
3983                 specials = NULL;
3984         }
3985
3986         clear_net_stats();
3987         clear_diskio_stats();
3988         if(global_cpu != NULL) {
3989                 free(global_cpu);
3990                 global_cpu = NULL;
3991         }
3992 }
3993
3994 static int string_to_bool(const char *s)
3995 {
3996         if (!s) {
3997                 // Assumes an option without a true/false means true
3998                 return 1;
3999         } else if (strcasecmp(s, "yes") == EQUAL) {
4000                 return 1;
4001         } else if (strcasecmp(s, "true") == EQUAL) {
4002                 return 1;
4003         } else if (strcasecmp(s, "1") == EQUAL) {
4004                 return 1;
4005         }
4006         return 0;
4007 }
4008
4009 #ifdef X11
4010 static enum alignment string_to_alignment(const char *s)
4011 {
4012         if (strcasecmp(s, "top_left") == EQUAL) {
4013                 return TOP_LEFT;
4014         } else if (strcasecmp(s, "top_right") == EQUAL) {
4015                 return TOP_RIGHT;
4016         } else if (strcasecmp(s, "top_middle") == EQUAL) {
4017                 return TOP_MIDDLE;
4018         } else if (strcasecmp(s, "bottom_left") == EQUAL) {
4019                 return BOTTOM_LEFT;
4020         } else if (strcasecmp(s, "bottom_right") == EQUAL) {
4021                 return BOTTOM_RIGHT;
4022         } else if (strcasecmp(s, "bottom_middle") == EQUAL) {
4023                 return BOTTOM_MIDDLE;
4024         } else if (strcasecmp(s, "middle_left") == EQUAL) {
4025                 return MIDDLE_LEFT;
4026         } else if (strcasecmp(s, "middle_right") == EQUAL) {
4027                 return MIDDLE_RIGHT;
4028         } else if (strcasecmp(s, "tl") == EQUAL) {
4029                 return TOP_LEFT;
4030         } else if (strcasecmp(s, "tr") == EQUAL) {
4031                 return TOP_RIGHT;
4032         } else if (strcasecmp(s, "tm") == EQUAL) {
4033                 return TOP_MIDDLE;
4034         } else if (strcasecmp(s, "bl") == EQUAL) {
4035                 return BOTTOM_LEFT;
4036         } else if (strcasecmp(s, "br") == EQUAL) {
4037                 return BOTTOM_RIGHT;
4038         } else if (strcasecmp(s, "bm") == EQUAL) {
4039                 return BOTTOM_MIDDLE;
4040         } else if (strcasecmp(s, "ml") == EQUAL) {
4041                 return MIDDLE_LEFT;
4042         } else if (strcasecmp(s, "mr") == EQUAL) {
4043                 return MIDDLE_RIGHT;
4044         } else if (strcasecmp(s, "none") == EQUAL) {
4045                 return NONE;
4046         }
4047         return TOP_LEFT;
4048 }
4049 #endif /* X11 */
4050
4051 #ifdef X11
4052 static void set_default_configurations_for_x(void)
4053 {
4054         default_fg_color = WhitePixel(display, screen);
4055         default_bg_color = BlackPixel(display, screen);
4056         default_out_color = BlackPixel(display, screen);
4057         color0 = default_fg_color;
4058         color1 = default_fg_color;
4059         color2 = default_fg_color;
4060         color3 = default_fg_color;
4061         color4 = default_fg_color;
4062         color5 = default_fg_color;
4063         color6 = default_fg_color;
4064         color7 = default_fg_color;
4065         color8 = default_fg_color;
4066         color9 = default_fg_color;
4067         current_text_color = default_fg_color;
4068 }
4069 #endif /* X11 */
4070
4071 static void set_default_configurations(void)
4072 {
4073 #ifdef MPD
4074         char *mpd_env_host;
4075         char *mpd_env_port;
4076 #endif
4077         update_uname();
4078         fork_to_background = 0;
4079         total_run_times = 0;
4080         info.cpu_avg_samples = 2;
4081         info.net_avg_samples = 2;
4082         info.diskio_avg_samples = 2;
4083         info.memmax = 0;
4084         top_cpu = 0;
4085         cpu_separate = 0;
4086         short_units = 0;
4087         format_human_readable = 1;
4088         top_mem = 0;
4089         top_time = 0;
4090 #ifdef IOSTATS
4091         top_io = 0;
4092 #endif
4093 #ifdef __linux__
4094         top_running = 0;
4095 #endif
4096 #ifdef MPD
4097         mpd_env_host = getenv("MPD_HOST");
4098         mpd_env_port = getenv("MPD_PORT");
4099
4100         if (!mpd_env_host || !strlen(mpd_env_host)) {
4101                 mpd_set_host("localhost");
4102         } else {
4103                 /* MPD_HOST environment variable is set */
4104                 char *mpd_hostpart = strchr(mpd_env_host, '@');
4105                 if (!mpd_hostpart) {
4106                         mpd_set_host(mpd_env_host);
4107                 } else {
4108                         /* MPD_HOST contains a password */
4109                         char mpd_password[mpd_hostpart - mpd_env_host + 1];
4110                         snprintf(mpd_password, mpd_hostpart - mpd_env_host + 1, "%s", mpd_env_host);
4111
4112                         if (!strlen(mpd_hostpart + 1)) {
4113                                 mpd_set_host("localhost");
4114                         } else {
4115                                 mpd_set_host(mpd_hostpart + 1);
4116                         }
4117
4118                         mpd_set_password(mpd_password, 1);
4119                 }
4120         }
4121
4122
4123         if (!mpd_env_port || mpd_set_port(mpd_env_port)) {
4124                 /* failed to set port from environment variable */
4125                 mpd_set_port("6600");
4126         }
4127 #endif
4128 #ifdef XMMS2
4129         info.xmms2.artist = NULL;
4130         info.xmms2.album = NULL;
4131         info.xmms2.title = NULL;
4132         info.xmms2.genre = NULL;
4133         info.xmms2.comment = NULL;
4134         info.xmms2.url = NULL;
4135         info.xmms2.status = NULL;
4136         info.xmms2.playlist = NULL;
4137 #endif
4138         use_spacer = NO_SPACER;
4139 #ifdef X11
4140         output_methods = TO_X;
4141 #else
4142         output_methods = TO_STDOUT;
4143 #endif
4144 #ifdef X11
4145         show_graph_scale = 0;
4146         show_graph_range = 0;
4147         draw_shades = 1;
4148         draw_borders = 0;
4149         draw_graph_borders = 1;
4150         draw_outline = 0;
4151         set_first_font("6x10");
4152         gap_x = 5;
4153         gap_y = 60;
4154         minimum_width = 5;
4155         minimum_height = 5;
4156         maximum_width = 0;
4157 #ifdef OWN_WINDOW
4158         own_window = 0;
4159         window.type = TYPE_NORMAL;
4160         window.hints = 0;
4161         strcpy(window.class_name, PACKAGE_NAME);
4162         sprintf(window.title, PACKAGE_NAME" (%s)", info.uname_s.nodename);
4163 #endif
4164         stippled_borders = 0;
4165         window.border_inner_margin = 3;
4166         window.border_outer_margin = 1;
4167         window.border_width = 1;
4168         text_alignment = BOTTOM_LEFT;
4169         info.x11.monitor.number = 1;
4170         info.x11.monitor.current = 0;
4171         info.x11.desktop.current = 1;
4172         info.x11.desktop.number = 1;
4173         info.x11.desktop.nitems = 0;
4174         info.x11.desktop.all_names = NULL;
4175         info.x11.desktop.name = NULL;
4176 #endif /* X11 */
4177
4178         free_templates();
4179
4180         free(current_mail_spool);
4181         {
4182                 char buf[256];
4183
4184                 variable_substitute(MAIL_FILE, buf, 256);
4185                 if (buf[0] != '\0') {
4186                         current_mail_spool = strndup(buf, text_buffer_size);
4187                 }
4188         }
4189
4190         no_buffers = 1;
4191         set_update_interval(3);
4192         update_interval_bat = NOBATTERY;
4193         info.music_player_interval = 1.0;
4194         stuff_in_uppercase = 0;
4195         info.users.number = 1;
4196
4197 #ifdef TCP_PORT_MONITOR
4198         /* set default connection limit */
4199         tcp_portmon_set_max_connections(0);
4200 #endif
4201 }
4202
4203 /* returns 1 if you can overwrite or create the file at 'path' */
4204 static _Bool overwrite_works(const char *path)
4205 {
4206         FILE *filepointer;
4207
4208         if (!(filepointer = fopen(path, "w")))
4209                 return 0;
4210         fclose(filepointer);
4211         return 1;
4212 }
4213
4214 /* returns 1 if you can append or create the file at 'path' */
4215 static _Bool append_works(const char *path)
4216 {
4217         FILE *filepointer;
4218
4219         if (!(filepointer = fopen(path, "a")))
4220                 return 0;
4221         fclose(filepointer);
4222         return 1;
4223 }
4224
4225 #ifdef X11
4226 #ifdef DEBUG
4227 /* WARNING, this type not in Xlib spec */
4228 int x11_error_handler(Display *d, XErrorEvent *err)
4229         __attribute__((noreturn));
4230 int x11_error_handler(Display *d, XErrorEvent *err)
4231 {
4232         NORM_ERR("X Error: type %i Display %lx XID %li serial %lu error_code %i request_code %i minor_code %i other Display: %lx\n",
4233                         err->type,
4234                         (long unsigned)err->display,
4235                         (long)err->resourceid,
4236                         err->serial,
4237                         err->error_code,
4238                         err->request_code,
4239                         err->minor_code,
4240                         (long unsigned)d
4241                         );
4242         abort();
4243 }
4244
4245 int x11_ioerror_handler(Display *d)
4246         __attribute__((noreturn));
4247 int x11_ioerror_handler(Display *d)
4248 {
4249         NORM_ERR("X Error: Display %lx\n",
4250                         (long unsigned)d
4251                         );
4252         abort();
4253 }
4254 #endif /* DEBUG */
4255
4256 static void X11_initialisation(void)
4257 {
4258         if (x_initialised == YES) return;
4259         output_methods |= TO_X;
4260         init_X11(disp);
4261         set_default_configurations_for_x();
4262         x_initialised = YES;
4263 #ifdef DEBUG
4264         _Xdebug = 1;
4265         /* WARNING, this type not in Xlib spec */
4266         XSetErrorHandler(&x11_error_handler);
4267         XSetIOErrorHandler(&x11_ioerror_handler);
4268 #endif /* DEBUG */
4269 }
4270
4271 static char **xargv = 0;
4272 static int xargc = 0;
4273
4274 static void X11_create_window(void)
4275 {
4276         if (output_methods & TO_X) {
4277 #ifdef OWN_WINDOW
4278                 init_window(own_window, text_width + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2,
4279                                 text_height + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2, set_transparent, background_colour,
4280                                 xargv, xargc);
4281 #else /* OWN_WINDOW */
4282                 init_window(0, text_width + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2,
4283                                 text_height + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2, set_transparent, 0,
4284                                 xargv, xargc);
4285 #endif /* OWN_WINDOW */
4286
4287                 setup_fonts();
4288                 load_fonts();
4289                 update_text_area();     /* to position text/window on screen */
4290
4291 #ifdef OWN_WINDOW
4292                 if (own_window && !fixed_pos) {
4293                         XMoveWindow(display, window.window, window.x, window.y);
4294                 }
4295                 if (own_window) {
4296                         set_transparent_background(window.window);
4297                 }
4298 #endif
4299
4300                 create_gc();
4301
4302                 draw_stuff();
4303
4304                 x11_stuff.region = XCreateRegion();
4305 #ifdef HAVE_XDAMAGE
4306                 if (!XDamageQueryExtension(display, &x11_stuff.event_base, &x11_stuff.error_base)) {
4307                         NORM_ERR("Xdamage extension unavailable");
4308                 }
4309                 x11_stuff.damage = XDamageCreate(display, window.window, XDamageReportNonEmpty);
4310                 x11_stuff.region2 = XFixesCreateRegionFromWindow(display, window.window, 0);
4311                 x11_stuff.part = XFixesCreateRegionFromWindow(display, window.window, 0);
4312 #endif /* HAVE_XDAMAGE */
4313
4314                 selected_font = 0;
4315                 update_text_area();     /* to get initial size of the window */
4316         }
4317 #ifdef HAVE_LUA
4318         /* setup lua window globals */
4319         llua_setup_window_table(text_start_x, text_start_y, text_width, text_height);
4320 #endif /* HAVE_LUA */
4321 }
4322 #endif /* X11 */
4323
4324 #define CONF_ERR NORM_ERR("%s: %d: config file error", f, line)
4325 #define CONF_ERR2(a) NORM_ERR("%s: %d: config file error: %s", f, line, a)
4326 #define CONF2(a) if (strcasecmp(name, a) == 0)
4327 #define CONF(a) else CONF2(a)
4328 #define CONF3(a, b) else if (strcasecmp(name, a) == 0 \
4329                 || strcasecmp(name, b) == 0)
4330 #define CONF_CONTINUE 1
4331 #define CONF_BREAK 2
4332 #define CONF_BUFF_SIZE 512
4333
4334 static FILE *open_config_file(const char *f)
4335 {
4336 #ifdef CONFIG_OUTPUT
4337         if (!strcmp(f, "==builtin==")) {
4338                 return conf_cookie_open();
4339         } else
4340 #endif /* CONFIG_OUTPUT */
4341                 return fopen(f, "r");
4342 }
4343
4344 static int do_config_step(int *line, FILE *fp, char *buf, char **name, char **value)
4345 {
4346         char *p, *p2;
4347         (*line)++;
4348         if (fgets(buf, CONF_BUFF_SIZE, fp) == NULL) {
4349                 return CONF_BREAK;
4350         }
4351         remove_comments(buf);
4352
4353         p = buf;
4354
4355         /* skip spaces */
4356         while (*p && isspace((int) *p)) {
4357                 p++;
4358         }
4359         if (*p == '\0') {
4360                 return CONF_CONTINUE;   /* empty line */
4361         }
4362
4363         *name = p;
4364
4365         /* skip name */
4366         p2 = p;
4367         while (*p2 && !isspace((int) *p2)) {
4368                 p2++;
4369         }
4370         if (*p2 != '\0') {
4371                 *p2 = '\0';     /* break at name's end */
4372                 p2++;
4373         }
4374
4375         /* get value */
4376         if (*p2) {
4377                 p = p2;
4378                 while (*p && isspace((int) *p)) {
4379                         p++;
4380                 }
4381
4382                 *value = p;
4383
4384                 p2 = *value + strlen(*value);
4385                 while (isspace((int) *(p2 - 1))) {
4386                         *--p2 = '\0';
4387                 }
4388         } else {
4389                 *value = 0;
4390         }
4391         return 0;
4392 }
4393
4394 char load_config_file(const char *f)
4395 {
4396         int line = 0;
4397         FILE *fp;
4398
4399         fp = open_config_file(f);
4400         if (!fp) {
4401                 return FALSE;
4402         }
4403         DBGP("reading contents from config file '%s'", f);
4404
4405         while (!feof(fp)) {
4406                 char buff[CONF_BUFF_SIZE], *name, *value;
4407                 int ret = do_config_step(&line, fp, buff, &name, &value);
4408                 if (ret == CONF_BREAK) {
4409                         break;
4410                 } else if (ret == CONF_CONTINUE) {
4411                         continue;
4412                 }
4413
4414 #ifdef X11
4415                 CONF2("out_to_x") {
4416                         /* don't listen if X is already initialised or
4417                          * if we already know we don't want it */
4418                         if(x_initialised != YES) {
4419                                 if (string_to_bool(value)) {
4420                                         output_methods &= TO_X;
4421                                 } else {
4422                                         output_methods &= ~TO_X;
4423                                         x_initialised = NEVER;
4424                                 }
4425                         }
4426                 }
4427                 CONF("display") {
4428                         if (!value || x_initialised == YES) {
4429                                 CONF_ERR;
4430                         } else {
4431                                 if (disp)
4432                                         free(disp);
4433                                 disp = strdup(value);
4434                         }
4435                 }
4436                 CONF("alignment") {
4437 #ifdef OWN_WINDOW
4438                         if (window.type == TYPE_DOCK)
4439                                 ;
4440                         else
4441 #endif /*OWN_WINDOW */
4442                         if (value) {
4443                                 int a = string_to_alignment(value);
4444
4445                                 if (a <= 0) {
4446                                         CONF_ERR;
4447                                 } else {
4448                                         text_alignment = a;
4449                                 }
4450                         } else {
4451                                 CONF_ERR;
4452                         }
4453                 }
4454                 CONF("background") {
4455                         fork_to_background = string_to_bool(value);
4456                 }
4457 #else
4458                 CONF2("background") {
4459                         fork_to_background = string_to_bool(value);
4460                 }
4461 #endif /* X11 */
4462 #ifdef X11
4463                 CONF("show_graph_scale") {
4464                         show_graph_scale = string_to_bool(value);
4465                 }
4466                 CONF("show_graph_range") {
4467                         show_graph_range = string_to_bool(value);
4468                 }
4469                 CONF("border_inner_margin") {
4470                         if (value) {
4471                                 window.border_inner_margin = strtol(value, 0, 0);
4472                                 if (window.border_inner_margin < 0) window.border_inner_margin = 0;
4473                         } else {
4474                                 CONF_ERR;
4475                         }
4476                 }
4477                 CONF("border_outer_margin") {
4478                         if (value) {
4479                                 window.border_outer_margin = strtol(value, 0, 0);
4480                                 if (window.border_outer_margin < 0) window.border_outer_margin = 0;
4481                         } else {
4482                                 CONF_ERR;
4483                         }
4484                 }
4485                 CONF("border_width") {
4486                         if (value) {
4487                                 window.border_width = strtol(value, 0, 0);
4488                                 if (window.border_width < 0) window.border_width = 0;
4489                         } else {
4490                                 CONF_ERR;
4491                         }
4492                 }
4493 #endif /* X11 */
4494 #define TEMPLATE_CONF(n) \
4495                 CONF("template"#n) { \
4496                         if (set_template(n, value)) \
4497                                 CONF_ERR; \
4498                 }
4499                 TEMPLATE_CONF(0)
4500                 TEMPLATE_CONF(1)
4501                 TEMPLATE_CONF(2)
4502                 TEMPLATE_CONF(3)
4503                 TEMPLATE_CONF(4)
4504                 TEMPLATE_CONF(5)
4505                 TEMPLATE_CONF(6)
4506                 TEMPLATE_CONF(7)
4507                 TEMPLATE_CONF(8)
4508                 TEMPLATE_CONF(9)
4509                 CONF("imap") {
4510                         if (value) {
4511                                 parse_global_imap_mail_args(value);
4512                         } else {
4513                                 CONF_ERR;
4514                         }
4515                 }
4516                 CONF("pop3") {
4517                         if (value) {
4518                                 parse_global_pop3_mail_args(value);
4519                         } else {
4520                                 CONF_ERR;
4521                         }
4522                 }
4523                 CONF("default_bar_size") {
4524                         char err = 0;
4525                         if (value) {
4526                                 if (sscanf(value, "%d %d", &default_bar_width, &default_bar_height) != 2) {
4527                                         err = 1;
4528                                 }
4529                         } else {
4530                                 err = 1;
4531                         }
4532                         if (err) {
4533                                 CONF_ERR2("default_bar_size takes 2 integer arguments (ie. 'default_bar_size 0 6')")
4534                         }
4535                 }
4536 #ifdef X11
4537                 CONF("default_graph_size") {
4538                         char err = 0;
4539                         if (value) {
4540                                 if (sscanf(value, "%d %d", &default_graph_width, &default_graph_height) != 2) {
4541                                         err = 1;
4542                                 }
4543                         } else {
4544                                 err = 1;
4545                         }
4546                         if (err) {
4547                                 CONF_ERR2("default_graph_size takes 2 integer arguments (ie. 'default_graph_size 0 6')")
4548                         }
4549                 }
4550                 CONF("default_gauge_size") {
4551                         char err = 0;
4552                         if (value) {
4553                                 if (sscanf(value, "%d %d", &default_gauge_width, &default_gauge_height) != 2) {
4554                                         err = 1;
4555                                 }
4556                         } else {
4557                                 err = 1;
4558                         }
4559                         if (err) {
4560                                 CONF_ERR2("default_gauge_size takes 2 integer arguments (ie. 'default_gauge_size 0 6')")
4561                         }
4562                 }
4563 #endif
4564 #ifdef MPD
4565                 CONF("mpd_host") {
4566                         if (value) {
4567                                 mpd_set_host(value);
4568                         } else {
4569                                 CONF_ERR;
4570                         }
4571                 }
4572                 CONF("mpd_port") {
4573                         if (value && mpd_set_port(value)) {
4574                                 CONF_ERR;
4575                         }
4576                 }
4577                 CONF("mpd_password") {
4578                         if (value) {
4579                                 mpd_set_password(value, 0);
4580                         } else {
4581                                 CONF_ERR;
4582                         }
4583                 }
4584 #endif
4585                 CONF("music_player_interval") {
4586                         if (value) {
4587                                 info.music_player_interval = strtod(value, 0);
4588                         } else {
4589                                 CONF_ERR;
4590                         }
4591                 }
4592 #ifdef __OpenBSD__
4593                 CONF("sensor_device") {
4594                         if (value) {
4595                                 sensor_device = strtol(value, 0, 0);
4596                         } else {
4597                                 CONF_ERR;
4598                         }
4599                 }
4600 #endif
4601                 CONF("cpu_avg_samples") {
4602                         if (value) {
4603                                 cpu_avg_samples = strtol(value, 0, 0);
4604                                 if (cpu_avg_samples < 1 || cpu_avg_samples > 14) {
4605                                         CONF_ERR;
4606                                 } else {
4607                                         info.cpu_avg_samples = cpu_avg_samples;
4608                                 }
4609                         } else {
4610                                 CONF_ERR;
4611                         }
4612                 }
4613                 CONF("net_avg_samples") {
4614                         if (value) {
4615                                 net_avg_samples = strtol(value, 0, 0);
4616                                 if (net_avg_samples < 1 || net_avg_samples > 14) {
4617                                         CONF_ERR;
4618                                 } else {
4619                                         info.net_avg_samples = net_avg_samples;
4620                                 }
4621                         } else {
4622                                 CONF_ERR;
4623                         }
4624                 }
4625                 CONF("diskio_avg_samples") {
4626                         if (value) {
4627                                 diskio_avg_samples = strtol(value, 0, 0);
4628                                 if (diskio_avg_samples < 1 || diskio_avg_samples > 14) {
4629                                         CONF_ERR;
4630                                 } else {
4631                                         info.diskio_avg_samples = diskio_avg_samples;
4632                                 }
4633                         } else {
4634                                 CONF_ERR;
4635                         }
4636                 }
4637
4638 #ifdef HAVE_XDBE
4639                 CONF("double_buffer") {
4640                         use_xdbe = string_to_bool(value);
4641                 }
4642 #endif
4643 #ifdef X11
4644                 CONF("override_utf8_locale") {
4645                         utf8_mode = string_to_bool(value);
4646                 }
4647                 CONF("draw_borders") {
4648                         draw_borders = string_to_bool(value);
4649                 }
4650                 CONF("draw_graph_borders") {
4651                         draw_graph_borders = string_to_bool(value);
4652                 }
4653                 CONF("draw_shades") {
4654                         draw_shades = string_to_bool(value);
4655                 }
4656                 CONF("draw_outline") {
4657                         draw_outline = string_to_bool(value);
4658                 }
4659 #endif /* X11 */
4660                 CONF("out_to_console") {
4661                         if(string_to_bool(value)) {
4662                                 output_methods |= TO_STDOUT;
4663                         } else {
4664                                 output_methods &= ~TO_STDOUT;
4665                         }
4666                 }
4667                 CONF("extra_newline") {
4668                         extra_newline = string_to_bool(value);
4669                 }
4670                 CONF("out_to_stderr") {
4671                         if(string_to_bool(value))
4672                                 output_methods |= TO_STDERR;
4673                 }
4674 #ifdef NCURSES
4675                 CONF("out_to_ncurses") {
4676                         if(string_to_bool(value)) {
4677                                 initscr();
4678                                 start_color();
4679                                 output_methods |= TO_NCURSES;
4680                         }
4681                 }
4682 #endif
4683                 CONF("overwrite_file") {
4684                         if(overwrite_file) {
4685                                 free(overwrite_file);
4686                                 overwrite_file = 0;
4687                         }
4688                         if(overwrite_works(value)) {
4689                                 overwrite_file = strdup(value);
4690                                 output_methods |= OVERWRITE_FILE;
4691                         } else
4692                                 NORM_ERR("overwrite_file won't be able to create/overwrite '%s'", value);
4693                 }
4694                 CONF("append_file") {
4695                         if(append_file) {
4696                                 free(append_file);
4697                                 append_file = 0;
4698                         }
4699                         if(append_works(value)) {
4700                                 append_file = strdup(value);
4701                                 output_methods |= APPEND_FILE;
4702                         } else
4703                                 NORM_ERR("append_file won't be able to create/append '%s'", value);
4704                 }
4705                 CONF("use_spacer") {
4706                         if (value) {
4707                                 if (strcasecmp(value, "left") == EQUAL) {
4708                                         use_spacer = LEFT_SPACER;
4709                                 } else if (strcasecmp(value, "right") == EQUAL) {
4710                                         use_spacer = RIGHT_SPACER;
4711                                 } else if (strcasecmp(value, "none") == EQUAL) {
4712                                         use_spacer = NO_SPACER;
4713                                 } else {
4714                                         use_spacer = string_to_bool(value);
4715                                         NORM_ERR("use_spacer should have an argument of left, right, or"
4716                                                 " none.  '%s' seems to be some form of '%s', so"
4717                                                 " defaulting to %s.", value,
4718                                                 use_spacer ? "true" : "false",
4719                                                 use_spacer ? "right" : "none");
4720                                         if (use_spacer) {
4721                                                 use_spacer = RIGHT_SPACER;
4722                                         } else {
4723                                                 use_spacer = NO_SPACER;
4724                                         }
4725                                 }
4726                         } else {
4727                                 NORM_ERR("use_spacer should have an argument. Defaulting to right.");
4728                                 use_spacer = RIGHT_SPACER;
4729                         }
4730                 }
4731 #ifdef X11
4732 #ifdef XFT
4733                 CONF("use_xft") {
4734                         use_xft = string_to_bool(value);
4735                 }
4736                 CONF("font") {
4737                         if (value) {
4738                                 set_first_font(value);
4739                         }
4740                 }
4741                 CONF("xftalpha") {
4742                         if (value && font_count >= 0) {
4743                                 fonts[0].font_alpha = atof(value) * 65535.0;
4744                         }
4745                 }
4746                 CONF("xftfont") {
4747                         if (use_xft) {
4748 #else
4749                 CONF("use_xft") {
4750                         if (string_to_bool(value)) {
4751                                 NORM_ERR("Xft not enabled at compile time");
4752                         }
4753                 }
4754                 CONF("xftfont") {
4755                         /* xftfont silently ignored when no Xft */
4756                 }
4757                 CONF("xftalpha") {
4758                         /* xftalpha is silently ignored when no Xft */
4759                 }
4760                 CONF("font") {
4761 #endif
4762                         if (value) {
4763                                 set_first_font(value);
4764                         }
4765 #ifdef XFT
4766                         }
4767 #endif
4768                 }
4769                 CONF("gap_x") {
4770                         if (value) {
4771                                 gap_x = atoi(value);
4772                         } else {
4773                                 CONF_ERR;
4774                         }
4775                 }
4776                 CONF("gap_y") {
4777                         if (value) {
4778                                 gap_y = atoi(value);
4779                         } else {
4780                                 CONF_ERR;
4781                         }
4782                 }
4783 #endif /* X11 */
4784                 CONF("mail_spool") {
4785                         if (value) {
4786                                 char buffer[256];
4787
4788                                 variable_substitute(value, buffer, 256);
4789
4790                                 if (buffer[0] != '\0') {
4791                                         if (current_mail_spool) {
4792                                                 free(current_mail_spool);
4793                                         }
4794                                         current_mail_spool = strndup(buffer, text_buffer_size);
4795                                 }
4796                         } else {
4797                                 CONF_ERR;
4798                         }
4799                 }
4800 #ifdef X11
4801                 CONF("minimum_size") {
4802                         if (value) {
4803                                 if (sscanf(value, "%d %d", &minimum_width, &minimum_height)
4804                                                 != 2) {
4805                                         if (sscanf(value, "%d", &minimum_width) != 1) {
4806                                                 CONF_ERR;
4807                                         }
4808                                 }
4809                         } else {
4810                                 CONF_ERR;
4811                         }
4812                 }
4813                 CONF("maximum_width") {
4814                         if (value) {
4815                                 if (sscanf(value, "%d", &maximum_width) != 1) {
4816                                         CONF_ERR;
4817                                 }
4818                         } else {
4819                                 CONF_ERR;
4820                         }
4821                 }
4822 #endif /* X11 */
4823                 CONF("no_buffers") {
4824                         no_buffers = string_to_bool(value);
4825                 }
4826                 CONF("top_name_width") {
4827                         if (value) {
4828                                 if (sscanf(value, "%u", &top_name_width) != 1) {
4829                                         CONF_ERR;
4830                                 }
4831                         } else {
4832                                 CONF_ERR;
4833                         }
4834                         if (top_name_width >= max_user_text) {
4835                                 top_name_width = max_user_text - 1;
4836                         }
4837                 }
4838                 CONF("top_cpu_separate") {
4839                         cpu_separate = string_to_bool(value);
4840                 }
4841                 CONF("short_units") {
4842                         short_units = string_to_bool(value);
4843                 }
4844                 CONF("format_human_readable") {
4845                         format_human_readable = string_to_bool(value);
4846                 }
4847 #ifdef HDDTEMP
4848                 CONF("hddtemp_host") {
4849                         set_hddtemp_host(value);
4850                 }
4851                 CONF("hddtemp_port") {
4852                         set_hddtemp_port(value);
4853                 }
4854 #endif /* HDDTEMP */
4855                 CONF("pad_percents") {
4856                         pad_percents = atoi(value);
4857                 }
4858 #ifdef X11
4859 #ifdef OWN_WINDOW
4860                 CONF("own_window") {
4861                         if (value) {
4862                                 own_window = string_to_bool(value);
4863                         }
4864                 }
4865                 CONF("own_window_class") {
4866                         if (value) {
4867                                 memset(window.class_name, 0, sizeof(window.class_name));
4868                                 strncpy(window.class_name, value,
4869                                                 sizeof(window.class_name) - 1);
4870                         }
4871                 }
4872                 CONF("own_window_title") {
4873                         if (value) {
4874                                 memset(window.title, 0, sizeof(window.title));
4875                                 strncpy(window.title, value, sizeof(window.title) - 1);
4876                         }
4877                 }
4878                 CONF("own_window_transparent") {
4879                         if (value) {
4880                                 set_transparent = string_to_bool(value);
4881                         }
4882                 }
4883                 CONF("own_window_hints") {
4884                         if (value) {
4885                                 char *p_hint, *p_save;
4886                                 char delim[] = ", ";
4887
4888                                 /* tokenize the value into individual hints */
4889                                 if ((p_hint = strtok_r(value, delim, &p_save)) != NULL) {
4890                                         do {
4891                                                 /* fprintf(stderr, "hint [%s] parsed\n", p_hint); */
4892                                                 if (strncmp(p_hint, "undecorate", 10) == EQUAL) {
4893                                                         SET_HINT(window.hints, HINT_UNDECORATED);
4894                                                 } else if (strncmp(p_hint, "below", 5) == EQUAL) {
4895                                                         SET_HINT(window.hints, HINT_BELOW);
4896                                                 } else if (strncmp(p_hint, "above", 5) == EQUAL) {
4897                                                         SET_HINT(window.hints, HINT_ABOVE);
4898                                                 } else if (strncmp(p_hint, "sticky", 6) == EQUAL) {
4899                                                         SET_HINT(window.hints, HINT_STICKY);
4900                                                 } else if (strncmp(p_hint, "skip_taskbar", 12) == EQUAL) {
4901                                                         SET_HINT(window.hints, HINT_SKIP_TASKBAR);
4902                                                 } else if (strncmp(p_hint, "skip_pager", 10) == EQUAL) {
4903                                                         SET_HINT(window.hints, HINT_SKIP_PAGER);
4904                                                 } else {
4905                                                         CONF_ERR;
4906                                                 }
4907
4908                                                 p_hint = strtok_r(NULL, delim, &p_save);
4909                                         } while (p_hint != NULL);
4910                                 }
4911                         } else {
4912                                 CONF_ERR;
4913                         }
4914                 }
4915                 CONF("own_window_type") {
4916                         if (value) {
4917                                 if (strncmp(value, "normal", 6) == EQUAL) {
4918                                         window.type = TYPE_NORMAL;
4919                                 } else if (strncmp(value, "desktop", 7) == EQUAL) {
4920                                         window.type = TYPE_DESKTOP;
4921                                 } else if (strncmp(value, "dock", 4) == EQUAL) {
4922                                         window.type = TYPE_DOCK;
4923                                         text_alignment = TOP_LEFT;
4924                                 } else if (strncmp(value, "panel", 5) == EQUAL) {
4925                                         window.type = TYPE_PANEL;
4926                                 } else if (strncmp(value, "override", 8) == EQUAL) {
4927                                         window.type = TYPE_OVERRIDE;
4928                                 } else {
4929                                         CONF_ERR;
4930                                 }
4931                         } else {
4932                                 CONF_ERR;
4933                         }
4934                 }
4935 #endif
4936                 CONF("stippled_borders") {
4937                         if (value) {
4938                                 stippled_borders = strtol(value, 0, 0);
4939                         } else {
4940                                 stippled_borders = 4;
4941                         }
4942                 }
4943 #ifdef IMLIB2
4944                 CONF("imlib_cache_size") {
4945                         if (value) {
4946                                 cimlib_set_cache_size(atoi(value));
4947                         }
4948                 }
4949                 CONF("imlib_cache_flush_interval") {
4950                         if (value) {
4951                                 cimlib_set_cache_flush_interval(atoi(value));
4952                         }
4953                 }
4954 #endif /* IMLIB2 */
4955 #endif /* X11 */
4956                 CONF("update_interval_on_battery") {
4957                         if (value) {
4958                                 update_interval_bat = strtod(value, 0);
4959                         } else {
4960                                 CONF_ERR;
4961                         }
4962                 }
4963                 CONF("update_interval") {
4964                         if (value) {
4965                                 set_update_interval(strtod(value, 0));
4966                         } else {
4967                                 CONF_ERR;
4968                         }
4969                         if (info.music_player_interval == 0) {
4970                                 // default to update_interval
4971                                 info.music_player_interval = update_interval;
4972                         }
4973                 }
4974                 CONF("total_run_times") {
4975                         if (value) {
4976                                 total_run_times = strtod(value, 0);
4977                         } else {
4978                                 CONF_ERR;
4979                         }
4980                 }
4981                 CONF("uppercase") {
4982                         stuff_in_uppercase = string_to_bool(value);
4983                 }
4984                 CONF("max_specials") {
4985                         if (value) {
4986                                 max_specials = atoi(value);
4987                         } else {
4988                                 CONF_ERR;
4989                         }
4990                 }
4991                 CONF("max_user_text") {
4992                         if (value) {
4993                                 max_user_text = atoi(value);
4994                         } else {
4995                                 CONF_ERR;
4996                         }
4997                 }
4998                 CONF("text_buffer_size") {
4999                         if (value) {
5000                                 text_buffer_size = atoi(value);
5001                                 if (text_buffer_size < DEFAULT_TEXT_BUFFER_SIZE) {
5002                                         NORM_ERR("text_buffer_size must be >=%i bytes", DEFAULT_TEXT_BUFFER_SIZE);
5003                                         text_buffer_size = DEFAULT_TEXT_BUFFER_SIZE;
5004                                 }
5005                         } else {
5006                                 CONF_ERR;
5007                         }
5008                 }
5009                 CONF("text") {
5010 #ifdef X11
5011                         if (output_methods & TO_X) {
5012                                 X11_initialisation();
5013                         }
5014 #endif
5015
5016                         if (global_text) {
5017                                 free(global_text);
5018                                 global_text = 0;
5019                         }
5020
5021                         global_text = (char *) malloc(1);
5022                         global_text[0] = '\0';
5023
5024                         while (!feof(fp)) {
5025                                 unsigned int l = strlen(global_text);
5026                                 unsigned int bl;
5027                                 char buf[CONF_BUFF_SIZE];
5028
5029                                 if (fgets(buf, CONF_BUFF_SIZE, fp) == NULL) {
5030                                         break;
5031                                 }
5032
5033                                 /* Remove \\-\n. */
5034                                 bl = strlen(buf);
5035                                 if (bl >= 2 && buf[bl-2] == '\\' && buf[bl-1] == '\n') {
5036                                         buf[bl-2] = '\0';
5037                                         bl -= 2;
5038                                         if (bl == 0) {
5039                                                 continue;
5040                                         }
5041                                 }
5042
5043                                 /* Check for continuation of \\-\n. */
5044                                 if (l > 0 && buf[0] == '\n' && global_text[l-1] == '\\') {
5045                                         global_text[l-1] = '\0';
5046                                         continue;
5047                                 }
5048
5049                                 global_text = (char *) realloc(global_text, l + bl + 1);
5050                                 strcat(global_text, buf);
5051
5052                                 if (strlen(global_text) > max_user_text) {
5053                                         break;
5054                                 }
5055                         }
5056                         global_text_lines = line + 1;
5057                         break;
5058                 }
5059 #ifdef TCP_PORT_MONITOR
5060                 CONF("max_port_monitor_connections") {
5061                         int max;
5062                         if (!value || (sscanf(value, "%d", &max) != 1)) {
5063                                 /* an error. use default, warn and continue. */
5064                                 tcp_portmon_set_max_connections(0);
5065                                 CONF_ERR;
5066                         } else if (tcp_portmon_set_max_connections(max)) {
5067                                 /* max is < 0, default has been set*/
5068                                 CONF_ERR;
5069                         }
5070                 }
5071 #endif
5072                 CONF("if_up_strictness") {
5073                         if (!value) {
5074                                 NORM_ERR("incorrect if_up_strictness value, defaulting to 'up'");
5075                                 ifup_strictness = IFUP_UP;
5076                         } else if (strcasecmp(value, "up") == EQUAL) {
5077                                 ifup_strictness = IFUP_UP;
5078                         } else if (strcasecmp(value, "link") == EQUAL) {
5079                                 ifup_strictness = IFUP_LINK;
5080                         } else if (strcasecmp(value, "address") == EQUAL) {
5081                                 ifup_strictness = IFUP_ADDR;
5082                         } else {
5083                                 NORM_ERR("incorrect if_up_strictness value, defaulting to 'up'");
5084                                 ifup_strictness = IFUP_UP;
5085                         }
5086                 }
5087
5088                 CONF("temperature_unit") {
5089                         if (!value) {
5090                                 NORM_ERR("config option 'temperature_unit' needs an argument, either 'celsius' or 'fahrenheit'");
5091                         } else if (set_temp_output_unit(value)) {
5092                                 NORM_ERR("temperature_unit: incorrect argument");
5093                         }
5094                 }
5095
5096 #ifdef HAVE_LUA
5097                 CONF("lua_load") {
5098                         if (value) {
5099                                 char *ptr = strtok(value, " ");
5100                                 while (ptr) {
5101                                         llua_load(ptr);
5102                                         ptr = strtok(NULL, " ");
5103                                 }
5104                         } else {
5105                                 CONF_ERR;
5106                         }
5107                 }
5108 #ifdef X11
5109                 CONF("lua_draw_hook_pre") {
5110                         if (value) {
5111                                 llua_set_draw_pre_hook(value);
5112                         } else {
5113                                 CONF_ERR;
5114                         }
5115                 }
5116                 CONF("lua_draw_hook_post") {
5117                         if (value) {
5118                                 llua_set_draw_post_hook(value);
5119                         } else {
5120                                 CONF_ERR;
5121                         }
5122                 }
5123                 CONF("lua_startup_hook") {
5124                         if (value) {
5125                                 llua_set_startup_hook(value);
5126                         } else {
5127                                 CONF_ERR;
5128                         }
5129                 }
5130                 CONF("lua_shutdown_hook") {
5131                         if (value) {
5132                                 llua_set_shutdown_hook(value);
5133                         } else {
5134                                 CONF_ERR;
5135                         }
5136                 }
5137 #endif /* X11 */
5138 #endif /* HAVE_LUA */
5139
5140                 CONF("color0"){}
5141                 CONF("color1"){}
5142                 CONF("color2"){}
5143                 CONF("color3"){}
5144                 CONF("color4"){}
5145                 CONF("color5"){}
5146                 CONF("color6"){}
5147                 CONF("color7"){}
5148                 CONF("color8"){}
5149                 CONF("color9"){}
5150                 CONF("default_color"){}
5151                 CONF3("default_shade_color", "default_shadecolor"){}
5152                 CONF3("default_outline_color", "default_outlinecolor") {}
5153                 CONF("own_window_colour") {}
5154
5155                 else {
5156                         NORM_ERR("%s: %d: no such configuration: '%s'", f, line, name);
5157                 }
5158         }
5159
5160         fclose(fp);
5161
5162         if (info.music_player_interval == 0) {
5163                 // default to update_interval
5164                 info.music_player_interval = update_interval;
5165         }
5166         if (!global_text) { // didn't supply any text
5167                 CRIT_ERR(NULL, NULL, "missing text block in configuration; exiting");
5168         }
5169         if (!output_methods) {
5170                 CRIT_ERR(0, 0, "no output_methods have been selected; exiting");
5171         }
5172 #if defined(NCURSES)
5173 #if defined(X11)
5174         if ((output_methods & TO_X) && (output_methods & TO_NCURSES)) {
5175                 NORM_ERR("out_to_x and out_to_ncurses are incompatible, turning out_to_ncurses off");
5176                 output_methods &= ~TO_NCURSES;
5177                 endwin();
5178         }
5179 #endif /* X11 */
5180         if ((output_methods & (TO_STDOUT | TO_STDERR)) && (output_methods & TO_NCURSES)) {
5181                 NORM_ERR("out_to_ncurses conflicts with out_to_console and out_to_stderr, disabling the later ones");
5182                 output_methods &= ~(TO_STDOUT | TO_STDERR);
5183         }
5184 #endif /* NCURSES */
5185         return TRUE;
5186 }
5187
5188 #ifdef X11
5189 static void load_config_file_x11(const char *f)
5190 {
5191         int line = 0;
5192         FILE *fp;
5193
5194         fp = open_config_file(f);
5195         if (!fp) {
5196                 return;
5197         }
5198         DBGP("reading contents from config file '%s'", f);
5199
5200         while (!feof(fp)) {
5201                 char buff[CONF_BUFF_SIZE], *name, *value;
5202                 int ret = do_config_step(&line, fp, buff, &name, &value);
5203                 if (ret == CONF_BREAK) {
5204                         break;
5205                 } else if (ret == CONF_CONTINUE) {
5206                         continue;
5207                 }
5208
5209                 CONF2("color0") {
5210                         X11_initialisation();
5211                         if (x_initialised == YES) {
5212                                 if (value) {
5213                                         color0 = get_x11_color(value);
5214                                 } else {
5215                                         CONF_ERR;
5216                                 }
5217                         }
5218                 }
5219                 CONF("color1") {
5220                         X11_initialisation();
5221                         if (x_initialised == YES) {
5222                                 if (value) {
5223                                         color1 = get_x11_color(value);
5224                                 } else {
5225                                         CONF_ERR;
5226                                 }
5227                         }
5228                 }
5229                 CONF("color2") {
5230                         X11_initialisation();
5231                         if (x_initialised == YES) {
5232                                 if (value) {
5233                                         color2 = get_x11_color(value);
5234                                 } else {
5235                                         CONF_ERR;
5236                                 }
5237                         }
5238                 }
5239                 CONF("color3") {
5240                         X11_initialisation();
5241                         if (x_initialised == YES) {
5242                                 if (value) {
5243                                         color3 = get_x11_color(value);
5244                                 } else {
5245                                         CONF_ERR;
5246                                 }
5247                         }
5248                 }
5249                 CONF("color4") {
5250                         X11_initialisation();
5251                         if (x_initialised == YES) {
5252                                 if (value) {
5253                                         color4 = get_x11_color(value);
5254                                 } else {
5255                                         CONF_ERR;
5256                                 }
5257                         }
5258                 }
5259                 CONF("color5") {
5260                         X11_initialisation();
5261                         if (x_initialised == YES) {
5262                                 if (value) {
5263                                         color5 = get_x11_color(value);
5264                                 } else {
5265                                         CONF_ERR;
5266                                 }
5267                         }
5268                 }
5269                 CONF("color6") {
5270                         X11_initialisation();
5271                         if (x_initialised == YES) {
5272                                 if (value) {
5273                                         color6 = get_x11_color(value);
5274                                 } else {
5275                                         CONF_ERR;
5276                                 }
5277                         }
5278                 }
5279                 CONF("color7") {
5280                         X11_initialisation();
5281                         if (x_initialised == YES) {
5282                                 if (value) {
5283                                         color7 = get_x11_color(value);
5284                                 } else {
5285                                         CONF_ERR;
5286                                 }
5287                         }
5288                 }
5289                 CONF("color8") {
5290                         X11_initialisation();
5291                         if (x_initialised == YES) {
5292                                 if (value) {
5293                                         color8 = get_x11_color(value);
5294                                 } else {
5295                                         CONF_ERR;
5296                                 }
5297                         }
5298                 }
5299                 CONF("color9") {
5300                         X11_initialisation();
5301                         if (x_initialised == YES) {
5302                                 if (value) {
5303                                         color9 = get_x11_color(value);
5304                                 } else {
5305                                         CONF_ERR;
5306                                 }
5307                         }
5308                 }
5309                 CONF("default_color") {
5310                         X11_initialisation();
5311                         if (x_initialised == YES) {
5312                                 if (value) {
5313                                         default_fg_color = get_x11_color(value);
5314                                 } else {
5315                                         CONF_ERR;
5316                                 }
5317                         }
5318                 }
5319                 CONF3("default_shade_color", "default_shadecolor") {
5320                         X11_initialisation();
5321                         if (x_initialised == YES) {
5322                                 if (value) {
5323                                         default_bg_color = get_x11_color(value);
5324                                 } else {
5325                                         CONF_ERR;
5326                                 }
5327                         }
5328                 }
5329                 CONF3("default_outline_color", "default_outlinecolor") {
5330                         X11_initialisation();
5331                         if (x_initialised == YES) {
5332                                 if (value) {
5333                                         default_out_color = get_x11_color(value);
5334                                 } else {
5335                                         CONF_ERR;
5336                                 }
5337                         }
5338                 }
5339 #ifdef OWN_WINDOW
5340                 CONF("own_window_colour") {
5341                         X11_initialisation();
5342                         if (x_initialised == YES) {
5343                                 if (value) {
5344                                         background_colour = get_x11_color(value);
5345                                 } else {
5346                                         NORM_ERR("Invalid colour for own_window_colour (try omitting the "
5347                                                 "'#' for hex colours");
5348                                 }
5349                         }
5350                 }
5351 #endif
5352                 CONF("text") {
5353                         /* initialize X11 if nothing X11-related is mentioned before TEXT (and if X11 is the default outputmethod) */
5354                         if(output_methods & TO_X) {
5355                                 X11_initialisation();
5356                         }
5357                 }
5358 #undef CONF
5359 #undef CONF2
5360 #undef CONF3
5361 #undef CONF_ERR
5362 #undef CONF_ERR2
5363 #undef CONF_BREAK
5364 #undef CONF_CONTINUE
5365 #undef CONF_BUFF_SIZE
5366         }
5367
5368         fclose(fp);
5369
5370 }
5371 #endif /* X11 */
5372
5373 static void print_help(const char *prog_name) {
5374         printf("Usage: %s [OPTION]...\n"
5375                         PACKAGE_NAME" is a system monitor that renders text on desktop or to own transparent\n"
5376                         "window. Command line options will override configurations defined in config\n"
5377                         "file.\n"
5378                         "   -v, --version             version\n"
5379                         "   -q, --quiet               quiet mode\n"
5380                         "   -D, --debug               increase debugging output, ie. -DD for more debugging\n"
5381                         "   -c, --config=FILE         config file to load\n"
5382 #ifdef CONFIG_OUTPUT
5383                         "   -C, --print-config        print the builtin default config to stdout\n"
5384                         "                             e.g. 'conky -C > ~/.conkyrc' will create a new default config\n"
5385 #endif
5386                         "   -d, --daemonize           daemonize, fork to background\n"
5387                         "   -h, --help                help\n"
5388 #ifdef X11
5389                         "   -a, --alignment=ALIGNMENT text alignment on screen, {top,bottom,middle}_{left,right,middle}\n"
5390                         "   -f, --font=FONT           font to use\n"
5391                         "   -X, --display=DISPLAY     X11 display to use\n"
5392 #ifdef OWN_WINDOW
5393                         "   -o, --own-window          create own window to draw\n"
5394 #endif
5395 #ifdef HAVE_XDBE
5396                         "   -b, --double-buffer       double buffer (prevents flickering)\n"
5397 #endif
5398                         "   -w, --window-id=WIN_ID    window id to draw\n"
5399                         "   -x X                      x position\n"
5400                         "   -y Y                      y position\n"
5401 #endif /* X11 */
5402                         "   -t, --text=TEXT           text to render, remember single quotes, like -t '$uptime'\n"
5403                         "   -u, --interval=SECS       update interval\n"
5404                         "   -i COUNT                  number of times to update "PACKAGE_NAME" (and quit)\n"
5405                         "   -p, --pause=SECS          pause for SECS seconds at startup before doing anything\n",
5406                         prog_name
5407         );
5408 }
5409
5410 /* : means that character before that takes an argument */
5411 static const char *getopt_string = "vVqdDt:u:i:hc:p:"
5412 #ifdef X11
5413         "x:y:w:a:f:X:"
5414 #ifdef OWN_WINDOW
5415         "o"
5416 #endif
5417 #ifdef HAVE_XDBE
5418         "b"
5419 #endif
5420 #endif /* X11 */
5421 #ifdef CONFIG_OUTPUT
5422         "C"
5423 #endif
5424         ;
5425
5426 static const struct option longopts[] = {
5427         { "help", 0, NULL, 'h' },
5428         { "version", 0, NULL, 'V' },
5429         { "debug", 0, NULL, 'D' },
5430         { "config", 1, NULL, 'c' },
5431 #ifdef CONFIG_OUTPUT
5432         { "print-config", 0, NULL, 'C' },
5433 #endif
5434         { "daemonize", 0, NULL, 'd' },
5435 #ifdef X11
5436         { "alignment", 1, NULL, 'a' },
5437         { "font", 1, NULL, 'f' },
5438         { "display", 1, NULL, 'X' },
5439 #ifdef OWN_WINDOW
5440         { "own-window", 0, NULL, 'o' },
5441 #endif
5442 #ifdef HAVE_XDBE
5443         { "double-buffer", 0, NULL, 'b' },
5444 #endif
5445         { "window-id", 1, NULL, 'w' },
5446 #endif /* X11 */
5447         { "text", 1, NULL, 't' },
5448         { "interval", 0, NULL, 'u' },
5449         { "pause", 0, NULL, 'p' },
5450         { 0, 0, 0, 0 }
5451 };
5452
5453 void initialisation(int argc, char **argv) {
5454         struct sigaction act, oact;
5455
5456         set_default_configurations();
5457         load_config_file(current_config);
5458         currentconffile = conftree_add(currentconffile, current_config);
5459
5460         /* init specials array */
5461         if ((specials = calloc(sizeof(struct special_t), max_specials)) == 0) {
5462                 NORM_ERR("failed to create specials array");
5463         }
5464
5465 #ifdef MAIL_FILE
5466         if (current_mail_spool == NULL) {
5467                 char buf[256];
5468
5469                 variable_substitute(MAIL_FILE, buf, 256);
5470
5471                 if (buf[0] != '\0') {
5472                         current_mail_spool = strndup(buf, text_buffer_size);
5473                 }
5474         }
5475 #endif
5476
5477         /* handle other command line arguments */
5478
5479 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__OpenBSD__) \
5480                 || defined(__NetBSD__)
5481         optind = optreset = 1;
5482 #else
5483         optind = 0;
5484 #endif
5485
5486 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
5487         if ((kd = kvm_open("/dev/null", "/dev/null", "/dev/null", O_RDONLY,
5488                         "kvm_open")) == NULL) {
5489                 CRIT_ERR(NULL, NULL, "cannot read kvm");
5490         }
5491 #endif
5492
5493         while (1) {
5494                 int c = getopt_long(argc, argv, getopt_string, longopts, NULL);
5495                 int startup_pause;
5496
5497                 if (c == -1) {
5498                         break;
5499                 }
5500
5501                 switch (c) {
5502                         case 'd':
5503                                 fork_to_background = 1;
5504                                 break;
5505                         case 'D':
5506                                 global_debug_level++;
5507                                 break;
5508 #ifdef X11
5509                         case 'f':
5510                                 set_first_font(optarg);
5511                                 break;
5512                         case 'a':
5513                                 text_alignment = string_to_alignment(optarg);
5514                                 break;
5515
5516 #ifdef OWN_WINDOW
5517                         case 'o':
5518                                 own_window = 1;
5519                                 break;
5520 #endif
5521 #ifdef HAVE_XDBE
5522                         case 'b':
5523                                 use_xdbe = 1;
5524                                 break;
5525 #endif
5526 #endif /* X11 */
5527                         case 't':
5528                                 if (global_text) {
5529                                         free(global_text);
5530                                         global_text = 0;
5531                                 }
5532                                 global_text = strndup(optarg, max_user_text);
5533                                 convert_escapes(global_text);
5534                                 break;
5535
5536                         case 'u':
5537                                 update_interval = strtod(optarg, 0);
5538                                 update_interval_old = update_interval;
5539                                 if (info.music_player_interval == 0) {
5540                                         // default to update_interval
5541                                         info.music_player_interval = update_interval;
5542                                 }
5543                                 break;
5544
5545                         case 'i':
5546                                 total_run_times = strtod(optarg, 0);
5547                                 break;
5548 #ifdef X11
5549                         case 'x':
5550                                 gap_x = atoi(optarg);
5551                                 break;
5552
5553                         case 'y':
5554                                 gap_y = atoi(optarg);
5555                                 break;
5556 #endif /* X11 */
5557                         case 'p':
5558                                 startup_pause = atoi(optarg);
5559                                 sleep(startup_pause);
5560                                 break;
5561
5562                         case '?':
5563                                 exit(EXIT_FAILURE);
5564                 }
5565         }
5566
5567 #ifdef X11
5568         /* load font */
5569         if (output_methods & TO_X) {
5570                 load_config_file_x11(current_config);
5571         }
5572 #endif /* X11 */
5573
5574         /* generate text and get initial size */
5575         extract_variable_text(global_text);
5576         if (global_text) {
5577                 free(global_text);
5578                 global_text = 0;
5579         }
5580         global_text = NULL;
5581         /* fork */
5582         if (fork_to_background) {
5583                 int pid = fork();
5584
5585                 switch (pid) {
5586                         case -1:
5587                                 NORM_ERR(PACKAGE_NAME": couldn't fork() to background: %s",
5588                                         strerror(errno));
5589                                 break;
5590
5591                         case 0:
5592                                 /* child process */
5593                                 usleep(25000);
5594                                 fprintf(stderr, "\n");
5595                                 fflush(stderr);
5596                                 break;
5597
5598                         default:
5599                                 /* parent process */
5600                                 fprintf(stderr, PACKAGE_NAME": forked to background, pid is %d\n",
5601                                         pid);
5602                                 fflush(stderr);
5603                                 exit(EXIT_SUCCESS);
5604                 }
5605         }
5606
5607         start_update_threading();
5608
5609         text_buffer = malloc(max_user_text);
5610         memset(text_buffer, 0, max_user_text);
5611         tmpstring1 = malloc(text_buffer_size);
5612         memset(tmpstring1, 0, text_buffer_size);
5613         tmpstring2 = malloc(text_buffer_size);
5614         memset(tmpstring2, 0, text_buffer_size);
5615
5616 #ifdef X11
5617         xargc = argc;
5618         xargv = argv;
5619         X11_create_window();
5620 #endif /* X11 */
5621 #ifdef HAVE_LUA
5622         llua_setup_info(&info, update_interval);
5623 #endif /* HAVE_LUA */
5624 #ifdef XOAP
5625         xmlInitParser();
5626 #endif /* XOAP */
5627
5628         /* Set signal handlers */
5629         act.sa_handler = signal_handler;
5630         sigemptyset(&act.sa_mask);
5631         act.sa_flags = 0;
5632 #ifdef SA_RESTART
5633         act.sa_flags |= SA_RESTART;
5634 #endif
5635
5636         if (            sigaction(SIGINT,  &act, &oact) < 0
5637                         ||      sigaction(SIGALRM, &act, &oact) < 0
5638                         ||      sigaction(SIGUSR1, &act, &oact) < 0
5639                         ||      sigaction(SIGHUP,  &act, &oact) < 0
5640                         ||      sigaction(SIGTERM, &act, &oact) < 0) {
5641                 NORM_ERR("error setting signal handler: %s", strerror(errno));
5642         }
5643
5644 #ifdef HAVE_LUA
5645         llua_startup_hook();
5646 #endif /* HAVE_LUA */
5647 }
5648
5649 int main(int argc, char **argv)
5650 {
5651 #ifdef X11
5652         char *s, *temp;
5653         unsigned int x;
5654 #endif
5655
5656         argc_copy = argc;
5657         argv_copy = argv;
5658         g_signal_pending = 0;
5659         max_user_text = MAX_USER_TEXT_DEFAULT;
5660         current_config = 0;
5661         memset(&info, 0, sizeof(info));
5662         free_templates();
5663         clear_net_stats();
5664
5665 #ifdef TCP_PORT_MONITOR
5666         /* set default connection limit */
5667         tcp_portmon_set_max_connections(0);
5668 #endif
5669
5670         /* handle command line parameters that don't change configs */
5671 #ifdef X11
5672         if (((s = getenv("LC_ALL")) && *s) || ((s = getenv("LC_CTYPE")) && *s)
5673                         || ((s = getenv("LANG")) && *s)) {
5674                 temp = (char *) malloc((strlen(s) + 1) * sizeof(char));
5675                 if (temp == NULL) {
5676                         NORM_ERR("malloc failed");
5677                 }
5678                 for (x = 0; x < strlen(s); x++) {
5679                         temp[x] = tolower(s[x]);
5680                 }
5681                 temp[x] = 0;
5682                 if (strstr(temp, "utf-8") || strstr(temp, "utf8")) {
5683                         utf8_mode = 1;
5684                 }
5685
5686                 free(temp);
5687         }
5688         if (!setlocale(LC_CTYPE, "")) {
5689                 NORM_ERR("Can't set the specified locale!\nCheck LANG, LC_CTYPE, LC_ALL.");
5690         }
5691 #endif /* X11 */
5692         while (1) {
5693                 int c = getopt_long(argc, argv, getopt_string, longopts, NULL);
5694
5695                 if (c == -1) {
5696                         break;
5697                 }
5698
5699                 switch (c) {
5700                         case 'v':
5701                         case 'V':
5702                                 print_version();
5703                         case 'c':
5704                                 if (current_config) {
5705                                         free(current_config);
5706                                 }
5707                                 current_config = strndup(optarg, max_user_text);
5708                                 break;
5709                         case 'q':
5710                                 freopen("/dev/null", "w", stderr);
5711                                 break;
5712                         case 'h':
5713                                 print_help(argv[0]);
5714                                 return 0;
5715 #ifdef CONFIG_OUTPUT
5716                         case 'C':
5717                                 print_defconfig();
5718                                 return 0;
5719 #endif
5720 #ifdef X11
5721                         case 'w':
5722                                 window.window = strtol(optarg, 0, 0);
5723                                 break;
5724                         case 'X':
5725                                 if (disp)
5726                                         free(disp);
5727                                 disp = strdup(optarg);
5728                                 break;
5729 #endif /* X11 */
5730
5731                         case '?':
5732                                 exit(EXIT_FAILURE);
5733                 }
5734         }
5735
5736         /* check if specified config file is valid */
5737         if (current_config) {
5738                 struct stat sb;
5739                 if (stat(current_config, &sb) ||
5740                                 (!S_ISREG(sb.st_mode) && !S_ISLNK(sb.st_mode))) {
5741                         NORM_ERR("invalid configuration file '%s'\n", current_config);
5742                         free(current_config);
5743                         current_config = 0;
5744                 }
5745         }
5746
5747         /* load current_config, CONFIG_FILE or SYSTEM_CONFIG_FILE */
5748
5749         if (!current_config) {
5750                 /* load default config file */
5751                 char buf[DEFAULT_TEXT_BUFFER_SIZE];
5752                 FILE *fp;
5753
5754                 /* Try to use personal config file first */
5755                 to_real_path(buf, CONFIG_FILE);
5756                 if (buf[0] && (fp = fopen(buf, "r"))) {
5757                         current_config = strndup(buf, max_user_text);
5758                         fclose(fp);
5759                 }
5760
5761                 /* Try to use system config file if personal config not readable */
5762                 if (!current_config && (fp = fopen(SYSTEM_CONFIG_FILE, "r"))) {
5763                         current_config = strndup(SYSTEM_CONFIG_FILE, max_user_text);
5764                         fclose(fp);
5765                 }
5766
5767                 /* No readable config found */
5768                 if (!current_config) {
5769 #ifdef CONFIG_OUTPUT
5770                         current_config = strdup("==builtin==");
5771                         NORM_ERR("no readable personal or system-wide config file found,"
5772                                         " using builtin default");
5773 #else
5774                         CRIT_ERR(NULL, NULL, "no readable personal or system-wide config file found");
5775 #endif /* ! CONF_OUTPUT */
5776                 }
5777         }
5778
5779 #ifdef XOAP
5780         /* Load xoap keys, if existing */
5781         load_xoap_keys();
5782 #endif /* XOAP */
5783
5784 #ifdef HAVE_SYS_INOTIFY_H
5785         inotify_fd = inotify_init1(IN_NONBLOCK);
5786 #endif /* HAVE_SYS_INOTIFY_H */
5787
5788         initialisation(argc, argv);
5789
5790         main_loop();
5791
5792 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
5793         kvm_close(kd);
5794 #endif
5795
5796         return 0;
5797
5798 }
5799
5800 void alarm_handler(void) {
5801         if(childpid > 0) {
5802                 kill(childpid, SIGTERM);
5803         }
5804 }
5805
5806 static void signal_handler(int sig)
5807 {
5808         /* signal handler is light as a feather, as it should be.
5809          * we will poll g_signal_pending with each loop of conky
5810          * and do any signal processing there, NOT here (except
5811          * SIGALRM because this is caused when conky is hanging) */
5812         if(sig == SIGALRM) {
5813                 alarm_handler();
5814         } else {
5815                 g_signal_pending = sig;
5816         }
5817 }