1 /* Conky, a system monitor, based on torsmo
3 * Any original torsmo code is licensed under the BSD license
5 * All code written since the fork of torsmo is licensed under the GPL
7 * Please see COPYING for details
9 * Copyright (c) 2004, Hannu Saransaari and Lauri Hakkarainen
10 * Copyright (c) 2005-2009 Brenden Matthews, Philip Kovacs, et. al.
12 * All rights reserved.
14 * This program is free software: you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation, either version 3 of the License, or
17 * (at your option) any later version.
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
23 * You should have received a copy of the GNU General Public License
24 * along with this program. If not, see <http://www.gnu.org/licenses/>.
36 /* maximum number of special things, e.g. fonts, offsets, aligns, etc. */
37 int max_specials = MAX_SPECIALS_DEFAULT;
39 /* create specials array on heap instead of stack with introduction of
41 struct special_t *specials = NULL;
45 int default_bar_width = 0, default_bar_height = 6;
47 int default_graph_width = 0, default_graph_height = 25;
48 int default_gauge_width = 40, default_gauge_height = 25;
52 * Scanning arguments to various special text objects
56 const char *scan_gauge(const char *args, int *w, int *h)
59 *w = default_gauge_width;
60 *h = default_gauge_height;
62 /* gauge's argument is either height or height,width */
66 if (sscanf(args, "%d,%d %n", h, w, &n) <= 1) {
67 if (sscanf(args, "%d %n", h, &n) == 2) {
68 *w = *h; /*square gauge*/
78 const char *scan_bar(const char *args, int *w, int *h)
80 /* zero width means all space that is available */
81 *w = default_bar_width;
82 *h = default_bar_height;
83 /* bar's argument is either height or height,width */
87 if (sscanf(args, "%d,%d %n", h, w, &n) <= 1) {
88 sscanf(args, "%d %n", h, &n);
97 char *scan_font(const char *args)
100 return strndup(args, DEFAULT_TEXT_BUFFER_SIZE);
106 char *scan_graph(const char *args, int *w, int *h,
107 unsigned int *first_colour, unsigned int *last_colour,
108 unsigned int *scale, char *showaslog, char *tempgrad)
110 const char *nographtype;
114 /* zero width means all space that is available */
115 *w = default_graph_width;
116 *h = default_graph_height;
122 // set showaslog and place the rest of the args in nographtype
123 if (strcasecmp(args, LOGGRAPH) == EQUAL) {
126 } else if (strcasecmp(args, NORMGRAPH) == EQUAL) {
129 } else if (strncasecmp(args, LOGGRAPH" ", strlen(LOGGRAPH) + 1 ) == EQUAL) {
131 nographtype = &args[strlen(LOGGRAPH) + 1];
132 } else if (strncasecmp(args, NORMGRAPH" ", strlen(NORMGRAPH) + 1 ) == EQUAL) {
134 nographtype = &args[strlen(NORMGRAPH) + 1];
139 if (strstr(args, " "TEMPGRAD)) {
142 DBGP("printing graph as %s, other args are: %s", (*showaslog ? "log" : "normal"), nographtype);
143 //check the rest of the args
144 if (sscanf(nographtype, "%d,%d %x %x %u", h, w, first_colour, last_colour, scale) == 5) {
148 if (sscanf(nographtype, "%d,%d %x %x", h, w, first_colour, last_colour) == 4) {
151 if (sscanf(nographtype, "%63s %d,%d %x %x %u", buf, h, w, first_colour, last_colour, scale) == 6) {
152 return strndup(buf, text_buffer_size);
155 if (sscanf(nographtype, "%63s %d,%d %x %x", buf, h, w, first_colour, last_colour) == 5) {
156 return strndup(buf, text_buffer_size);
161 if (sscanf(nographtype, "%x %x %u", first_colour, last_colour, scale) == 3) {
165 if (sscanf(nographtype, "%x %x", first_colour, last_colour) == 2) {
168 if (sscanf(nographtype, "%63s %x %x %u", buf, first_colour, last_colour, scale) == 4) {
169 return strndup(buf, text_buffer_size);
172 if (sscanf(nographtype, "%63s %x %x", buf, first_colour, last_colour) == 3) {
173 return strndup(buf, text_buffer_size);
178 if (sscanf(nographtype, "%d,%d %u", h, w, scale) == 3) {
182 if (sscanf(nographtype, "%d,%d", h, w) == 2) {
185 if (sscanf(nographtype, "%63s %d,%d %u", buf, h, w, scale) < 4) {
187 //TODO: check the return value and throw an error?
188 sscanf(nographtype, "%63s %d,%d", buf, h, w);
191 return strndup(buf, text_buffer_size);
194 if (buf[0] == '\0') {
197 return strndup(buf, text_buffer_size);
203 * Printing various special text objects
206 static struct special_t *new_special(char *buf, enum special_types t)
208 if (special_count >= max_specials) {
209 CRIT_ERR("too many special things in text");
212 buf[0] = SPECIAL_CHAR;
214 specials[special_count].type = t;
215 return &specials[special_count++];
219 void new_gauge(char *buf, int w, int h, int usage)
221 struct special_t *s = 0;
222 if ((output_methods & TO_X) == 0)
225 s = new_special(buf, GAUGE);
227 s->arg = (usage > 255) ? 255 : ((usage < 0) ? 0 : usage);
232 void new_bar(char *buf, int w, int h, int usage)
234 struct special_t *s = 0;
236 if ((output_methods & TO_X) == 0)
239 s = new_special(buf, BAR);
241 s->arg = (usage > 255) ? 255 : ((usage < 0) ? 0 : usage);
246 void new_font(char *buf, char *args)
248 if ((output_methods & TO_X) == 0)
252 struct special_t *s = new_special(buf, FONT);
254 if (s->font_added > font_count || !s->font_added || (strncmp(args, fonts[s->font_added].name, DEFAULT_TEXT_BUFFER_SIZE) != EQUAL) ) {
255 int tmp = selected_font;
257 selected_font = s->font_added = add_font(args);
261 struct special_t *s = new_special(buf, FONT);
262 int tmp = selected_font;
264 selected_font = s->font_added = 0;
269 static void graph_append(struct special_t *graph, double f, char showaslog)
279 if (!graph->scaled && f > graph->graph_scale) {
280 f = graph->graph_scale;
283 graph->graph[0] = f; /* add new data */
284 /* shift all the data by 1 */
285 for (i = graph->graph_width - 1; i > 0; i--) {
286 graph->graph[i] = graph->graph[i - 1];
287 if (graph->scaled && graph->graph[i - 1] > graph->graph_scale) {
288 /* check if we need to update the scale */
289 graph->graph_scale = graph->graph[i - 1];
292 if (graph->scaled && graph->graph[graph->graph_width] > graph->graph_scale) {
293 /* check if we need to update the scale */
294 graph->graph_scale = graph->graph[graph->graph_width];
298 void new_graph(char *buf, int w, int h, unsigned int first_colour,
299 unsigned int second_colour, double i, int scale, int append, char showaslog, char tempgrad)
301 struct special_t *s = 0;
303 if ((output_methods & TO_X) == 0)
306 s = new_special(buf, GRAPH);
309 if (s->graph == NULL) {
310 if (s->width > 0 && s->width < MAX_GRAPH_DEPTH) {
311 // subtract 2 for the box
312 s->graph_width = s->width /* - 2 */;
314 s->graph_width = MAX_GRAPH_DEPTH - 2;
316 s->graph = malloc(s->graph_width * sizeof(double));
317 memset(s->graph, 0, s->graph_width * sizeof(double));
318 s->graph_scale = 100;
321 s->first_colour = adjust_colours(first_colour);
322 s->last_colour = adjust_colours(second_colour);
325 s->graph_scale = scale;
332 s->tempgrad = tempgrad;
334 s->graph_width = s->width - 2; // subtract 2 for rectangle around
338 s->graph_scale = log10(s->graph_scale + 1);
342 graph_append(s, i, showaslog);
346 void new_hr(char *buf, int a)
348 if ((output_methods & TO_X) == 0)
351 new_special(buf, HORIZONTAL_LINE)->height = a;
354 void new_stippled_hr(char *buf, int a, int b)
356 struct special_t *s = 0;
358 if ((output_methods & TO_X) == 0)
361 s = new_special(buf, STIPPLED_HR);
367 void new_fg(char *buf, long c)
369 if ((output_methods & TO_X) == 0)
372 new_special(buf, FG)->arg = c;
375 void new_bg(char *buf, long c)
377 if ((output_methods & TO_X) == 0)
380 new_special(buf, BG)->arg = c;
384 void new_bar_in_shell(char* buffer, int buf_max_size, double usage, int width)
386 if(width<=buf_max_size){
387 int i = 0, j = 0, scaledusage = round_to_int( usage * width / 100);
390 #pragma omp parallel for
391 #endif /* HAVE_OPENMP */
392 for(i=0; i<(int)scaledusage; i++) {
395 /* gcc seems to think i is not initialized properly :/ */
398 #pragma omp parallel for
399 #endif /* HAVE_OPENMP */
400 for(i = j/* cheats */; i < width; i++) {
407 void new_outline(char *buf, long c)
409 new_special(buf, OUTLINE)->arg = c;
412 void new_offset(char *buf, long c)
414 new_special(buf, OFFSET)->arg = c;
417 void new_voffset(char *buf, long c)
419 new_special(buf, VOFFSET)->arg = c;
422 void new_alignr(char *buf, long c)
424 new_special(buf, ALIGNR)->arg = c;
427 // A postive offset pushes the text further left
428 void new_alignc(char *buf, long c)
430 new_special(buf, ALIGNC)->arg = c;
433 void new_goto(char *buf, long c)
435 new_special(buf, GOTO)->arg = c;
438 void new_tab(char *buf, int a, int b)
440 struct special_t *s = new_special(buf, TAB);