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/>.
26 * vim: ts=4 sw=4 noet ai cindent syntax=c
38 /* maximum number of special things, e.g. fonts, offsets, aligns, etc. */
39 int max_specials = MAX_SPECIALS_DEFAULT;
41 /* create specials array on heap instead of stack with introduction of
43 struct special_t *specials = NULL;
47 int default_bar_width = 0, default_bar_height = 6;
49 int default_graph_width = 0, default_graph_height = 25;
50 int default_gauge_width = 40, default_gauge_height = 25;
54 * Scanning arguments to various special text objects
58 const char *scan_gauge(const char *args, int *w, int *h)
61 *w = default_gauge_width;
62 *h = default_gauge_height;
64 /* gauge's argument is either height or height,width */
68 if (sscanf(args, "%d,%d %n", h, w, &n) <= 1) {
69 if (sscanf(args, "%d %n", h, &n) == 2) {
70 *w = *h; /*square gauge*/
80 const char *scan_bar(const char *args, int *w, int *h)
82 /* zero width means all space that is available */
83 *w = default_bar_width;
84 *h = default_bar_height;
85 /* bar's argument is either height or height,width */
89 if (sscanf(args, "%d,%d %n", h, w, &n) <= 1) {
90 sscanf(args, "%d %n", h, &n);
99 char *scan_font(const char *args)
102 return strndup(args, DEFAULT_TEXT_BUFFER_SIZE);
108 char *scan_graph(const char *args, int *w, int *h,
109 unsigned int *first_colour, unsigned int *last_colour,
110 unsigned int *scale, char *showaslog, char *tempgrad)
113 memset(buf, 0, 1024);
115 /* zero width means all space that is available */
116 *w = default_graph_width;
117 *h = default_graph_height;
124 if (strstr(args, " "TEMPGRAD) || strncmp(args, TEMPGRAD, strlen(TEMPGRAD)) == 0) {
127 if (strstr(args, " "LOGGRAPH) || strncmp(args, LOGGRAPH, strlen(LOGGRAPH)) == 0) {
130 if (sscanf(args, "%d,%d %x %x %u", h, w, first_colour, last_colour, scale) == 5) {
134 if (sscanf(args, "%d,%d %x %x", h, w, first_colour, last_colour) == 4) {
137 if (sscanf(args, "%1023s %d,%d %x %x %u", buf, h, w, first_colour, last_colour, scale) == 6) {
138 return strndup(buf, text_buffer_size);
141 if (sscanf(args, "%1023s %d,%d %x %x", buf, h, w, first_colour, last_colour) == 5) {
142 return strndup(buf, text_buffer_size);
147 if (sscanf(args, "%x %x %u", first_colour, last_colour, scale) == 3) {
151 if (sscanf(args, "%x %x", first_colour, last_colour) == 2) {
154 if (sscanf(args, "%1023s %x %x %u", buf, first_colour, last_colour, scale) == 4) {
155 return strndup(buf, text_buffer_size);
158 if (sscanf(args, "%1023s %x %x", buf, first_colour, last_colour) == 3) {
159 return strndup(buf, text_buffer_size);
164 if (sscanf(args, "%d,%d %u", h, w, scale) == 3) {
168 if (sscanf(args, "%d,%d", h, w) == 2) {
171 if (sscanf(args, "%1023s %d,%d %u", buf, h, w, scale) < 4) {
173 //TODO: check the return value and throw an error?
174 sscanf(args, "%1023s %d,%d", buf, h, w);
177 return strndup(buf, text_buffer_size);
180 if (buf[0] == '\0') {
183 return strndup(buf, text_buffer_size);
189 * Printing various special text objects
192 static struct special_t *new_special(char *buf, enum special_types t)
194 if (special_count >= max_specials) {
195 CRIT_ERR(NULL, NULL, "too many special things in text");
198 buf[0] = SPECIAL_CHAR;
200 specials[special_count].type = t;
201 return &specials[special_count++];
205 void new_gauge(char *buf, int w, int h, int usage)
207 struct special_t *s = 0;
208 if ((output_methods & TO_X) == 0)
211 s = new_special(buf, GAUGE);
213 s->arg = (usage > 255) ? 255 : ((usage < 0) ? 0 : usage);
218 void new_bar(char *buf, int w, int h, int usage)
220 struct special_t *s = 0;
222 if ((output_methods & TO_X) == 0)
225 s = new_special(buf, BAR);
227 s->arg = (usage > 255) ? 255 : ((usage < 0) ? 0 : usage);
232 void new_font(char *buf, char *args)
234 if ((output_methods & TO_X) == 0)
238 struct special_t *s = new_special(buf, FONT);
240 if (s->font_added > font_count || !s->font_added || (strncmp(args, fonts[s->font_added].name, DEFAULT_TEXT_BUFFER_SIZE) != EQUAL) ) {
241 int tmp = selected_font;
243 selected_font = s->font_added = add_font(args);
247 struct special_t *s = new_special(buf, FONT);
248 int tmp = selected_font;
250 selected_font = s->font_added = 0;
255 static void graph_append(struct special_t *graph, double f, char showaslog)
265 if (!graph->scaled && f > graph->graph_scale) {
266 f = graph->graph_scale;
269 graph->graph[0] = f; /* add new data */
270 /* shift all the data by 1 */
271 for (i = graph->graph_width - 1; i > 0; i--) {
272 graph->graph[i] = graph->graph[i - 1];
273 if (graph->scaled && graph->graph[i - 1] > graph->graph_scale) {
274 /* check if we need to update the scale */
275 graph->graph_scale = graph->graph[i - 1];
278 if (graph->scaled && graph->graph[graph->graph_width] > graph->graph_scale) {
279 /* check if we need to update the scale */
280 graph->graph_scale = graph->graph[graph->graph_width];
284 void new_graph(char *buf, int w, int h, unsigned int first_colour,
285 unsigned int second_colour, double i, int scale, int append, char showaslog, char tempgrad)
287 struct special_t *s = 0;
289 if ((output_methods & TO_X) == 0)
292 s = new_special(buf, GRAPH);
295 if (s->graph == NULL) {
296 if (s->width > 0 && s->width < MAX_GRAPH_DEPTH) {
297 // subtract 2 for the box
298 s->graph_width = s->width /* - 2 */;
300 s->graph_width = MAX_GRAPH_DEPTH - 2;
302 s->graph = malloc(s->graph_width * sizeof(double));
303 memset(s->graph, 0, s->graph_width * sizeof(double));
304 s->graph_scale = 100;
307 s->first_colour = adjust_colours(first_colour);
308 s->last_colour = adjust_colours(second_colour);
311 s->graph_scale = scale;
318 s->tempgrad = tempgrad;
320 s->graph_width = s->width - 2; // subtract 2 for rectangle around
324 s->graph_scale = log10(s->graph_scale + 1);
328 graph_append(s, i, showaslog);
332 void new_hr(char *buf, int a)
334 if ((output_methods & TO_X) == 0)
337 new_special(buf, HORIZONTAL_LINE)->height = a;
340 void new_stippled_hr(char *buf, int a, int b)
342 struct special_t *s = 0;
344 if ((output_methods & TO_X) == 0)
347 s = new_special(buf, STIPPLED_HR);
353 void new_fg(char *buf, long c)
355 if ((output_methods & TO_X) == 0)
358 new_special(buf, FG)->arg = c;
361 void new_bg(char *buf, long c)
363 if ((output_methods & TO_X) == 0)
366 new_special(buf, BG)->arg = c;
370 void new_bar_in_shell(char* buffer, int buf_max_size, double usage, int width)
372 if(width<=buf_max_size){
373 int i = 0, j = 0, scaledusage = round_to_int( usage * width / 100);
376 #pragma omp parallel for schedule(dynamic,10)
377 #endif /* HAVE_OPENMP */
378 for(i=0; i<(int)scaledusage; i++) {
381 /* gcc seems to think i is not initialized properly :/ */
384 #pragma omp parallel for schedule(dynamic,10)
385 #endif /* HAVE_OPENMP */
386 for(i = j/* cheats */; i < width; i++) {
393 void new_outline(char *buf, long c)
395 new_special(buf, OUTLINE)->arg = c;
398 void new_offset(char *buf, long c)
400 new_special(buf, OFFSET)->arg = c;
403 void new_voffset(char *buf, long c)
405 new_special(buf, VOFFSET)->arg = c;
408 void new_alignr(char *buf, long c)
410 new_special(buf, ALIGNR)->arg = c;
413 // A postive offset pushes the text further left
414 void new_alignc(char *buf, long c)
416 new_special(buf, ALIGNC)->arg = c;
419 void new_goto(char *buf, long c)
421 new_special(buf, GOTO)->arg = c;
424 void new_tab(char *buf, int a, int b)
426 struct special_t *s = new_special(buf, TAB);