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)
111 memset(buf, 0, 1024);
113 /* zero width means all space that is available */
114 *w = default_graph_width;
115 *h = default_graph_height;
122 if (strstr(args, " "TEMPGRAD) || strncmp(args, TEMPGRAD, strlen(TEMPGRAD)) == 0) {
125 if (strstr(args, " "LOGGRAPH) || strncmp(args, LOGGRAPH, strlen(LOGGRAPH)) == 0) {
128 if (sscanf(args, "%d,%d %x %x %u", h, w, first_colour, last_colour, scale) == 5) {
132 if (sscanf(args, "%d,%d %x %x", h, w, first_colour, last_colour) == 4) {
135 if (sscanf(args, "%1023s %d,%d %x %x %u", buf, h, w, first_colour, last_colour, scale) == 6) {
136 return strndup(buf, text_buffer_size);
139 if (sscanf(args, "%1023s %d,%d %x %x", buf, h, w, first_colour, last_colour) == 5) {
140 return strndup(buf, text_buffer_size);
145 if (sscanf(args, "%x %x %u", first_colour, last_colour, scale) == 3) {
149 if (sscanf(args, "%x %x", first_colour, last_colour) == 2) {
152 if (sscanf(args, "%1023s %x %x %u", buf, first_colour, last_colour, scale) == 4) {
153 return strndup(buf, text_buffer_size);
156 if (sscanf(args, "%1023s %x %x", buf, first_colour, last_colour) == 3) {
157 return strndup(buf, text_buffer_size);
162 if (sscanf(args, "%d,%d %u", h, w, scale) == 3) {
166 if (sscanf(args, "%d,%d", h, w) == 2) {
169 if (sscanf(args, "%1023s %d,%d %u", buf, h, w, scale) < 4) {
171 //TODO: check the return value and throw an error?
172 sscanf(args, "%1023s %d,%d", buf, h, w);
175 return strndup(buf, text_buffer_size);
178 if (buf[0] == '\0') {
181 return strndup(buf, text_buffer_size);
187 * Printing various special text objects
190 static struct special_t *new_special(char *buf, enum special_types t)
192 if (special_count >= max_specials) {
193 CRIT_ERR(NULL, NULL, "too many special things in text");
196 buf[0] = SPECIAL_CHAR;
198 specials[special_count].type = t;
199 return &specials[special_count++];
203 void new_gauge(char *buf, int w, int h, int usage)
205 struct special_t *s = 0;
206 if ((output_methods & TO_X) == 0)
209 s = new_special(buf, GAUGE);
211 s->arg = (usage > 255) ? 255 : ((usage < 0) ? 0 : usage);
216 void new_bar(char *buf, int w, int h, int usage)
218 struct special_t *s = 0;
220 if ((output_methods & TO_X) == 0)
223 s = new_special(buf, BAR);
225 s->arg = (usage > 255) ? 255 : ((usage < 0) ? 0 : usage);
230 void new_font(char *buf, char *args)
232 if ((output_methods & TO_X) == 0)
236 struct special_t *s = new_special(buf, FONT);
238 if (s->font_added > font_count || !s->font_added || (strncmp(args, fonts[s->font_added].name, DEFAULT_TEXT_BUFFER_SIZE) != EQUAL) ) {
239 int tmp = selected_font;
241 selected_font = s->font_added = add_font(args);
245 struct special_t *s = new_special(buf, FONT);
246 int tmp = selected_font;
248 selected_font = s->font_added = 0;
253 static void graph_append(struct special_t *graph, double f, char showaslog)
263 if (!graph->scaled && f > graph->graph_scale) {
264 f = graph->graph_scale;
267 graph->graph[0] = f; /* add new data */
268 /* shift all the data by 1 */
269 for (i = graph->graph_width - 1; i > 0; i--) {
270 graph->graph[i] = graph->graph[i - 1];
271 if (graph->scaled && graph->graph[i - 1] > graph->graph_scale) {
272 /* check if we need to update the scale */
273 graph->graph_scale = graph->graph[i - 1];
276 if (graph->scaled && graph->graph[graph->graph_width] > graph->graph_scale) {
277 /* check if we need to update the scale */
278 graph->graph_scale = graph->graph[graph->graph_width];
282 void new_graph(char *buf, int w, int h, unsigned int first_colour,
283 unsigned int second_colour, double i, int scale, int append, char showaslog, char tempgrad)
285 struct special_t *s = 0;
287 if ((output_methods & TO_X) == 0)
290 s = new_special(buf, GRAPH);
293 if (s->graph == NULL) {
294 if (s->width > 0 && s->width < MAX_GRAPH_DEPTH) {
295 // subtract 2 for the box
296 s->graph_width = s->width /* - 2 */;
298 s->graph_width = MAX_GRAPH_DEPTH - 2;
300 s->graph = malloc(s->graph_width * sizeof(double));
301 memset(s->graph, 0, s->graph_width * sizeof(double));
302 s->graph_scale = 100;
305 s->first_colour = adjust_colours(first_colour);
306 s->last_colour = adjust_colours(second_colour);
309 s->graph_scale = scale;
316 s->tempgrad = tempgrad;
318 s->graph_width = s->width - 2; // subtract 2 for rectangle around
322 s->graph_scale = log10(s->graph_scale + 1);
326 graph_append(s, i, showaslog);
330 void new_hr(char *buf, int a)
332 if ((output_methods & TO_X) == 0)
335 new_special(buf, HORIZONTAL_LINE)->height = a;
338 void new_stippled_hr(char *buf, int a, int b)
340 struct special_t *s = 0;
342 if ((output_methods & TO_X) == 0)
345 s = new_special(buf, STIPPLED_HR);
351 void new_fg(char *buf, long c)
353 if ((output_methods & TO_X) == 0)
356 new_special(buf, FG)->arg = c;
359 void new_bg(char *buf, long c)
361 if ((output_methods & TO_X) == 0)
364 new_special(buf, BG)->arg = c;
368 void new_bar_in_shell(char* buffer, int buf_max_size, double usage, int width)
370 if(width<=buf_max_size){
371 int i = 0, j = 0, scaledusage = round_to_int( usage * width / 100);
374 #pragma omp parallel for schedule(dynamic,10)
375 #endif /* HAVE_OPENMP */
376 for(i=0; i<(int)scaledusage; i++) {
379 /* gcc seems to think i is not initialized properly :/ */
382 #pragma omp parallel for schedule(dynamic,10)
383 #endif /* HAVE_OPENMP */
384 for(i = j/* cheats */; i < width; i++) {
391 void new_outline(char *buf, long c)
393 new_special(buf, OUTLINE)->arg = c;
396 void new_offset(char *buf, long c)
398 new_special(buf, OFFSET)->arg = c;
401 void new_voffset(char *buf, long c)
403 new_special(buf, VOFFSET)->arg = c;
406 void new_alignr(char *buf, long c)
408 new_special(buf, ALIGNR)->arg = c;
411 // A postive offset pushes the text further left
412 void new_alignc(char *buf, long c)
414 new_special(buf, ALIGNC)->arg = c;
417 void new_goto(char *buf, long c)
419 new_special(buf, GOTO)->arg = c;
422 void new_tab(char *buf, int a, int b)
424 struct special_t *s = new_special(buf, TAB);