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
4 * Conky, a system monitor, based on torsmo
6 * Any original torsmo code is licensed under the BSD license
8 * All code written since the fork of torsmo is licensed under the GPL
10 * Please see COPYING for details
12 * Copyright (c) 2004, Hannu Saransaari and Lauri Hakkarainen
13 * Copyright (c) 2005-2009 Brenden Matthews, Philip Kovacs, et. al.
15 * All rights reserved.
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.
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/>.
39 /* maximum number of special things, e.g. fonts, offsets, aligns, etc. */
40 int max_specials = MAX_SPECIALS_DEFAULT;
42 /* create specials array on heap instead of stack with introduction of
44 struct special_t *specials = NULL;
48 int default_bar_width = 0, default_bar_height = 6;
50 int default_graph_width = 0, default_graph_height = 25;
51 int default_gauge_width = 40, default_gauge_height = 25;
55 * Special data typedefs
68 unsigned int first_colour, last_colour;
69 unsigned int scale, showaslog;
82 * Scanning arguments to various special text objects
86 const char *scan_gauge(struct text_object *obj, const char *args)
90 g = malloc(sizeof(struct gauge));
91 memset(g, 0, sizeof(struct gauge));
94 g->width = default_gauge_width;
95 g->height = default_gauge_height;
97 /* gauge's argument is either height or height,width */
101 if (sscanf(args, "%d,%d %n", &g->height, &g->width, &n) <= 1) {
102 if (sscanf(args, "%d %n", &g->height, &n) == 2) {
103 g->width = g->height; /*square gauge*/
109 obj->special_data = g;
114 const char *scan_bar(struct text_object *obj, const char *args)
118 b = malloc(sizeof(struct bar));
119 memset(b, 0, sizeof(struct bar));
121 /* zero width means all space that is available */
122 b->width = default_bar_width;
123 b->height = default_bar_height;
124 /* bar's argument is either height or height,width */
128 if (sscanf(args, "%d,%d %n", &b->height, &b->width, &n) <= 1) {
129 sscanf(args, "%d %n", &b->height, &n);
134 obj->special_data = b;
139 char *scan_font(const char *args)
142 return strndup(args, DEFAULT_TEXT_BUFFER_SIZE);
148 char *scan_graph(struct text_object *obj, const char *args, int defscale)
152 memset(buf, 0, 1024);
154 g = malloc(sizeof(struct graph));
155 memset(g, 0, sizeof(struct graph));
156 obj->special_data = g;
158 /* zero width means all space that is available */
159 g->width = default_graph_width;
160 g->height = default_graph_height;
165 g->showaslog = FALSE;
167 if (strstr(args, " "TEMPGRAD) || strncmp(args, TEMPGRAD, strlen(TEMPGRAD)) == 0) {
170 if (strstr(args, " "LOGGRAPH) || strncmp(args, LOGGRAPH, strlen(LOGGRAPH)) == 0) {
173 if (sscanf(args, "%d,%d %x %x %u", &g->height, &g->width, &g->first_colour, &g->last_colour, &g->scale) == 5) {
177 if (sscanf(args, "%d,%d %x %x", &g->height, &g->width, &g->first_colour, &g->last_colour) == 4) {
180 if (sscanf(args, "%1023s %d,%d %x %x %u", buf, &g->height, &g->width, &g->first_colour, &g->last_colour, &g->scale) == 6) {
181 return strndup(buf, text_buffer_size);
184 if (sscanf(args, "%1023s %d,%d %x %x", buf, &g->height, &g->width, &g->first_colour, &g->last_colour) == 5) {
185 return strndup(buf, text_buffer_size);
190 if (sscanf(args, "%x %x %u", &g->first_colour, &g->last_colour, &g->scale) == 3) {
194 if (sscanf(args, "%x %x", &g->first_colour, &g->last_colour) == 2) {
197 if (sscanf(args, "%1023s %x %x %u", buf, &g->first_colour, &g->last_colour, &g->scale) == 4) {
198 return strndup(buf, text_buffer_size);
201 if (sscanf(args, "%1023s %x %x", buf, &g->first_colour, &g->last_colour) == 3) {
202 return strndup(buf, text_buffer_size);
207 if (sscanf(args, "%d,%d %u", &g->height, &g->width, &g->scale) == 3) {
211 if (sscanf(args, "%d,%d", &g->height, &g->width) == 2) {
214 if (sscanf(args, "%1023s %d,%d %u", buf, &g->height, &g->width, &g->scale) < 4) {
216 //TODO: check the return value and throw an error?
217 sscanf(args, "%1023s %d,%d", buf, &g->height, &g->width);
221 return strndup(buf, text_buffer_size);
224 if (buf[0] == '\0') {
227 return strndup(buf, text_buffer_size);
233 * Printing various special text objects
236 static struct special_t *new_special(char *buf, enum special_types t)
238 if (special_count >= max_specials) {
239 CRIT_ERR(NULL, NULL, "too many special things in text");
242 buf[0] = SPECIAL_CHAR;
244 specials[special_count].type = t;
245 return &specials[special_count++];
249 void new_gauge(struct text_object *obj, char *buf, int usage)
251 struct special_t *s = 0;
252 struct gauge *g = obj->special_data;
254 if ((output_methods & TO_X) == 0)
260 s = new_special(buf, GAUGE);
262 s->arg = (usage > 255) ? 255 : ((usage < 0) ? 0 : usage);
264 s->height = g->height;
267 void new_bar(struct text_object *obj, char *buf, int usage)
269 struct special_t *s = 0;
270 struct bar *b = obj->special_data;
272 if ((output_methods & TO_X) == 0)
278 s = new_special(buf, BAR);
280 s->arg = (usage > 255) ? 255 : ((usage < 0) ? 0 : usage);
282 s->height = b->height;
285 void new_font(char *buf, char *args)
287 if ((output_methods & TO_X) == 0)
291 struct special_t *s = new_special(buf, FONT);
293 if (s->font_added > font_count || !s->font_added || (strncmp(args, fonts[s->font_added].name, DEFAULT_TEXT_BUFFER_SIZE) != EQUAL) ) {
294 int tmp = selected_font;
296 selected_font = s->font_added = add_font(args);
300 struct special_t *s = new_special(buf, FONT);
301 int tmp = selected_font;
303 selected_font = s->font_added = 0;
308 static void graph_append(struct special_t *graph, double f, char showaslog)
318 if (!graph->scaled && f > graph->graph_scale) {
319 f = graph->graph_scale;
322 graph->graph[0] = f; /* add new data */
323 /* shift all the data by 1 */
324 for (i = graph->graph_width - 1; i > 0; i--) {
325 graph->graph[i] = graph->graph[i - 1];
326 if (graph->scaled && graph->graph[i - 1] > graph->graph_scale) {
327 /* check if we need to update the scale */
328 graph->graph_scale = graph->graph[i - 1];
331 if (graph->scaled && graph->graph[graph->graph_width] > graph->graph_scale) {
332 /* check if we need to update the scale */
333 graph->graph_scale = graph->graph[graph->graph_width];
337 void new_graph(struct text_object *obj, char *buf, double val)
339 struct special_t *s = 0;
340 struct graph *g = obj->special_data;
342 if ((output_methods & TO_X) == 0)
348 s = new_special(buf, GRAPH);
351 if (s->graph == NULL) {
352 if (s->width > 0 && s->width < MAX_GRAPH_DEPTH) {
353 // subtract 2 for the box
354 s->graph_width = s->width /* - 2 */;
356 s->graph_width = MAX_GRAPH_DEPTH - 2;
358 s->graph = malloc(s->graph_width * sizeof(double));
359 memset(s->graph, 0, s->graph_width * sizeof(double));
360 s->graph_scale = 100;
362 s->height = g->height;
363 s->first_colour = adjust_colours(g->first_colour);
364 s->last_colour = adjust_colours(g->last_colour);
367 s->graph_scale = g->scale;
374 s->tempgrad = g->tempgrad;
376 s->graph_width = s->width - 2; // subtract 2 for rectangle around
380 s->graph_scale = log10(s->graph_scale + 1);
383 graph_append(s, val, g->showaslog);
386 void new_hr(char *buf, int a)
388 if ((output_methods & TO_X) == 0)
391 new_special(buf, HORIZONTAL_LINE)->height = a;
394 void scan_stippled_hr(struct text_object *obj, const char *arg)
396 struct stippled_hr *sh;
398 sh = malloc(sizeof(struct stippled_hr));
399 memset(sh, 0, sizeof(struct stippled_hr));
401 sh->arg = get_stippled_borders();
405 if (sscanf(arg, "%d %d", &sh->arg, &sh->height) != 2) {
406 sscanf(arg, "%d", &sh->height);
412 obj->special_data = sh;
415 void new_stippled_hr(struct text_object *obj, char *buf)
417 struct special_t *s = 0;
418 struct stippled_hr *sh = obj->special_data;
420 if ((output_methods & TO_X) == 0)
426 s = new_special(buf, STIPPLED_HR);
428 s->height = sh->height;
433 void new_fg(char *buf, long c)
436 if (output_methods & TO_X)
437 new_special(buf, FG)->arg = c;
440 if (output_methods & TO_NCURSES)
441 new_special(buf, FG)->arg = c;
448 void new_bg(char *buf, long c)
450 if ((output_methods & TO_X) == 0)
453 new_special(buf, BG)->arg = c;
457 void new_bar_in_shell(struct text_object *obj, char* buffer, int buf_max_size, double usage)
459 struct bar *b = obj->special_data;
467 width = DEFAULT_BAR_WIDTH_NO_X;
469 if(width<=buf_max_size){
470 int i = 0, j = 0, scaledusage = round_to_int( usage * width / 100);
473 #pragma omp parallel for schedule(dynamic,10)
474 #endif /* HAVE_OPENMP */
475 for(i=0; i<(int)scaledusage; i++) {
478 /* gcc seems to think i is not initialized properly :/ */
481 #pragma omp parallel for schedule(dynamic,10)
482 #endif /* HAVE_OPENMP */
483 for(i = j/* cheats */; i < width; i++) {
490 void new_outline(char *buf, long c)
492 new_special(buf, OUTLINE)->arg = c;
495 void new_offset(char *buf, long c)
497 new_special(buf, OFFSET)->arg = c;
500 void new_voffset(char *buf, long c)
502 new_special(buf, VOFFSET)->arg = c;
505 void new_alignr(char *buf, long c)
507 new_special(buf, ALIGNR)->arg = c;
510 // A postive offset pushes the text further left
511 void new_alignc(char *buf, long c)
513 new_special(buf, ALIGNC)->arg = c;
516 void new_goto(char *buf, long c)
518 new_special(buf, GOTO)->arg = c;
521 void scan_tab(struct text_object *obj, const char *arg)
525 t = malloc(sizeof(struct tab));
526 memset(t, 0, sizeof(struct tab));
532 if (sscanf(arg, "%d %d", &t->width, &t->arg) != 2) {
533 sscanf(arg, "%d", &t->arg);
539 obj->special_data = t;
542 void new_tab(struct text_object *obj, char *buf)
544 struct special_t *s = 0;
545 struct tab *t = obj->special_data;
550 s = new_special(buf, TAB);