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disobedience notices rescans
[disorder] / disobedience / disobedience.c
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460b9539 1/*
2 * This file is part of DisOrder.
eb525fcd 3 * Copyright (C) 2006, 2007 Richard Kettlewell
460b9539 4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
18 * USA
19 */
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20/** @file disobedience/disobedience.c
21 * @brief Main Disobedience program
22 */
460b9539 23
24#include "disobedience.h"
25
26#include <getopt.h>
27#include <locale.h>
fe8f8518 28#include <pcre.h>
460b9539 29
30/* Apologies for the numerous de-consting casts, but GLib et al do not seem to
31 * have heard of const. */
32
33#include "style.h" /* generated style */
34
460b9539 35/* Variables --------------------------------------------------------------- */
36
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37/** @brief Event loop */
38GMainLoop *mainloop;
39
40/** @brief Top-level window */
41GtkWidget *toplevel;
42
43/** @brief Label for progress indicator */
44GtkWidget *report_label;
45
46/** @brief Main tab group */
47GtkWidget *tabs;
48
49/** @brief Main client */
50disorder_eclient *client;
460b9539 51
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52/** @brief Last reported state
53 *
54 * This is updated by log_state().
55 */
56unsigned long last_state;
57
58/** @brief True if some track is playing
59 *
60 * This ought to be removed in favour of last_state & DISORDER_PLAYING
61 */
62int playing;
63
64/** @brief Left channel volume */
65int volume_l;
66
67/** @brief Right channel volume */
68int volume_r;
460b9539 69
460b9539 70double goesupto = 10; /* volume upper bound */
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71
72/** @brief Break up choose tab by initial letter */
73int choosealpha;
460b9539 74
7858930d 75/** @brief True if a NOP is in flight */
76static int nop_in_flight;
77
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78/** @brief Global tooltip group */
79GtkTooltips *tips;
80
460b9539 81/* Window creation --------------------------------------------------------- */
82
83/* Note that all the client operations kicked off from here will only complete
84 * after we've entered the event loop. */
85
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86/** @brief Called when main window is deleted
87 *
88 * Terminates the program.
89 */
460b9539 90static gboolean delete_event(GtkWidget attribute((unused)) *widget,
91 GdkEvent attribute((unused)) *event,
92 gpointer attribute((unused)) data) {
93 D(("delete_event"));
94 exit(0); /* die immediately */
95}
96
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97/** @brief Called when the current tab is switched
98 *
99 * Updates the menu settings to correspond to the new page.
100 */
460b9539 101static void tab_switched(GtkNotebook attribute((unused)) *notebook,
102 GtkNotebookPage attribute((unused)) *page,
103 guint page_num,
104 gpointer attribute((unused)) user_data) {
105 menu_update(page_num);
106}
107
219dc95c 108/** @brief Create the report box */
460b9539 109static GtkWidget *report_box(void) {
110 GtkWidget *vbox = gtk_vbox_new(FALSE, 0);
111
112 report_label = gtk_label_new("");
113 gtk_label_set_ellipsize(GTK_LABEL(report_label), PANGO_ELLIPSIZE_END);
114 gtk_misc_set_alignment(GTK_MISC(report_label), 0, 0);
115 gtk_container_add(GTK_CONTAINER(vbox), gtk_hseparator_new());
116 gtk_container_add(GTK_CONTAINER(vbox), report_label);
117 return vbox;
118}
119
219dc95c 120/** @brief Create and populate the main tab group */
460b9539 121static GtkWidget *notebook(void) {
122 tabs = gtk_notebook_new();
123 g_signal_connect(tabs, "switch-page", G_CALLBACK(tab_switched), 0);
124 gtk_notebook_append_page(GTK_NOTEBOOK(tabs), queue_widget(),
125 gtk_label_new("Queue"));
126 gtk_notebook_append_page(GTK_NOTEBOOK(tabs), recent_widget(),
127 gtk_label_new("Recent"));
128 gtk_notebook_append_page(GTK_NOTEBOOK(tabs), choose_widget(),
129 gtk_label_new("Choose"));
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130 gtk_notebook_append_page(GTK_NOTEBOOK(tabs), added_widget(),
131 gtk_label_new("Added"));
460b9539 132 return tabs;
133}
134
219dc95c 135/** @brief Create and populate the main window */
460b9539 136static void make_toplevel_window(void) {
137 GtkWidget *const vbox = gtk_vbox_new(FALSE, 1);
138 GtkWidget *const rb = report_box();
139
140 D(("top_window"));
141 toplevel = gtk_window_new(GTK_WINDOW_TOPLEVEL);
142 /* default size is too small */
143 gtk_window_set_default_size(GTK_WINDOW(toplevel), 640, 480);
144 /* terminate on close */
145 g_signal_connect(G_OBJECT(toplevel), "delete_event",
146 G_CALLBACK(delete_event), NULL);
147 /* lay out the window */
148 gtk_window_set_title(GTK_WINDOW(toplevel), "Disobedience");
149 gtk_container_add(GTK_CONTAINER(toplevel), vbox);
150 /* lay out the vbox */
151 gtk_box_pack_start(GTK_BOX(vbox),
152 menubar(toplevel),
153 FALSE, /* expand */
154 FALSE, /* fill */
155 0);
156 gtk_box_pack_start(GTK_BOX(vbox),
157 control_widget(),
158 FALSE, /* expand */
159 FALSE, /* fill */
160 0);
161 gtk_container_add(GTK_CONTAINER(vbox), notebook());
162 gtk_box_pack_end(GTK_BOX(vbox),
163 rb,
164 FALSE, /* expand */
165 FALSE, /* fill */
166 0);
167 gtk_widget_set_name(toplevel, "disobedience");
168}
169
0b7c8909 170#if MDEBUG
171static int widget_count, container_count;
172
173static void count_callback(GtkWidget *w,
174 gpointer attribute((unused)) data) {
175 ++widget_count;
176 if(GTK_IS_CONTAINER(w)) {
177 ++container_count;
178 gtk_container_foreach(GTK_CONTAINER(w), count_callback, 0);
179 }
180}
181
182static void count_widgets(void) {
183 widget_count = 0;
184 container_count = 1;
185 if(toplevel)
186 gtk_container_foreach(GTK_CONTAINER(toplevel), count_callback, 0);
187 fprintf(stderr, "widget count: %8d container count: %8d\n",
188 widget_count, container_count);
189}
190#endif
191
e1d4a32b 192#if MTRACK
193const char *mtag = "init";
194static hash *mtrack_hash;
195
196static int *mthfind(const char *tag) {
197 static const int zero = 0;
198 int *cp = hash_find(mtrack_hash, tag);
199 if(!cp) {
200 hash_add(mtrack_hash, tag, &zero, HASH_INSERT);
201 cp = hash_find(mtrack_hash, tag);
202 }
203 return cp;
204}
205
206static void *trap_malloc(size_t n) {
207 void *ptr = malloc(n + sizeof(char *));
208
209 *(const char **)ptr = mtag;
210 ++*mthfind(mtag);
211 return (char *)ptr + sizeof(char *);
212}
213
214static void trap_free(void *ptr) {
215 const char *tag;
216 if(!ptr)
217 return;
218 ptr = (char *)ptr - sizeof(char *);
219 tag = *(const char **)ptr;
220 --*mthfind(tag);
221 free(ptr);
222}
223
224static void *trap_realloc(void *ptr, size_t n) {
225 if(!ptr)
226 return trap_malloc(n);
227 if(!n) {
228 trap_free(ptr);
229 return 0;
230 }
231 ptr = (char *)ptr - sizeof(char *);
232 ptr = realloc(ptr, n + sizeof(char *));
233 *(const char **)ptr = mtag;
234 return (char *)ptr + sizeof(char *);
235}
236
237static int report_tags_callback(const char *key, void *value,
238 void attribute((unused)) *u) {
239 fprintf(stderr, "%16s: %d\n", key, *(int *)value);
240 return 0;
241}
242
243static void report_tags(void) {
244 hash_foreach(mtrack_hash, report_tags_callback, 0);
245 fprintf(stderr, "\n");
246}
247
248static const GMemVTable glib_memvtable = {
249 trap_malloc,
250 trap_realloc,
251 trap_free,
252 0,
253 0,
254 0
255};
256#endif
257
219dc95c 258/** @brief Called once every 10 minutes */
460b9539 259static gboolean periodic(gpointer attribute((unused)) data) {
260 D(("periodic"));
261 /* Expire cached data */
262 cache_expire();
263 /* Update everything to be sure that the connection to the server hasn't
264 * mysteriously gone stale on us. */
265 all_update();
0b7c8909 266#if MDEBUG
267 count_widgets();
268 fprintf(stderr, "cache size: %zu\n", cache_count());
e1d4a32b 269#endif
270#if MTRACK
271 report_tags();
0b7c8909 272#endif
460b9539 273 return TRUE; /* don't remove me */
274}
275
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276/** @brief Called from time to time
277 *
278 * Used for debugging purposes
279 */
460b9539 280static gboolean heartbeat(gpointer attribute((unused)) data) {
281 static struct timeval last;
282 struct timeval now;
283 double delta;
284
285 xgettimeofday(&now, 0);
286 if(last.tv_sec) {
287 delta = (now.tv_sec + now.tv_sec / 1.0E6)
288 - (last.tv_sec + last.tv_sec / 1.0E6);
289 if(delta >= 1.0625)
290 fprintf(stderr, "%f: %fs between 1s heartbeats\n",
291 now.tv_sec + now.tv_sec / 1.0E6,
292 delta);
293 }
294 last = now;
295 return TRUE;
296}
297
7858930d 298/** @brief Called when a NOP completes */
299static void nop_completed(void attribute((unused)) *v) {
300 nop_in_flight = 0;
301}
302
303/** @brief Called from time to time to arrange for a NOP to be sent
304 *
305 * At most one NOP remains in flight at any moment. If the client is not
306 * currently connected then no NOP is sent.
307 */
308static gboolean maybe_send_nop(gpointer attribute((unused)) data) {
8f763f1b 309 if(!nop_in_flight && (disorder_eclient_state(client) & DISORDER_CONNECTED)) {
7858930d 310 nop_in_flight = 1;
311 disorder_eclient_nop(client, nop_completed, 0);
312 }
313 return TRUE; /* keep call me please */
314}
315
460b9539 316/* main -------------------------------------------------------------------- */
317
318static const struct option options[] = {
319 { "help", no_argument, 0, 'h' },
320 { "version", no_argument, 0, 'V' },
321 { "config", required_argument, 0, 'c' },
322 { "tufnel", no_argument, 0, 't' },
323 { "choosealpha", no_argument, 0, 'C' },
324 { "debug", no_argument, 0, 'd' },
325 { 0, 0, 0, 0 }
326};
327
328/* display usage message and terminate */
329static void help(void) {
330 xprintf("Disobedience - GUI client for DisOrder\n"
331 "\n"
332 "Usage:\n"
333 " disobedience [OPTIONS]\n"
334 "Options:\n"
335 " --help, -h Display usage message\n"
336 " --version, -V Display version number\n"
337 " --config PATH, -c PATH Set configuration file\n"
338 " --debug, -d Turn on debugging\n"
339 "\n"
340 "Also GTK+ options will work.\n");
341 xfclose(stdout);
342 exit(0);
343}
344
345/* display version number and terminate */
346static void version(void) {
347 xprintf("disorder version %s\n", disorder_version_string);
348 xfclose(stdout);
349 exit(0);
350}
351
352int main(int argc, char **argv) {
353 int n;
354 disorder_eclient *logclient;
355
320598d4 356 mem_init();
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357 /* garbage-collect PCRE's memory */
358 pcre_malloc = xmalloc;
359 pcre_free = xfree;
e1d4a32b 360#if MTRACK
361 mtrack_hash = hash_new(sizeof (int));
362 g_mem_set_vtable((GMemVTable *)&glib_memvtable);
363#endif
460b9539 364 if(!setlocale(LC_CTYPE, "")) fatal(errno, "error calling setlocale");
460b9539 365 gtk_init(&argc, &argv);
366 gtk_rc_parse_string(style);
367 while((n = getopt_long(argc, argv, "hVc:dtH", options, 0)) >= 0) {
368 switch(n) {
369 case 'h': help();
370 case 'V': version();
371 case 'c': configfile = optarg; break;
372 case 'd': debugging = 1; break;
373 case 't': goesupto = 11; break;
374 case 'C': choosealpha = 1; break; /* not well tested any more */
375 default: fatal(0, "invalid option");
376 }
377 }
346ba8d5 378 signal(SIGPIPE, SIG_IGN);
460b9539 379 /* create the event loop */
380 D(("create main loop"));
381 mainloop = g_main_loop_new(0, 0);
c00fce3a 382 if(config_read(0)) fatal(0, "cannot read configuration");
460b9539 383 /* create the clients */
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384 if(!(client = gtkclient())
385 || !(logclient = gtkclient()))
386 return 1; /* already reported an error */
460b9539 387 /* periodic operations (e.g. expiring the cache) */
e1d4a32b 388#if MDEBUG || MTRACK
0b7c8909 389 g_timeout_add(5000/*milliseconds*/, periodic, 0);
390#else
460b9539 391 g_timeout_add(600000/*milliseconds*/, periodic, 0);
0b7c8909 392#endif
460b9539 393 /* The point of this is to try and get a handle on mysterious
394 * unresponsiveness. It's not very useful in production use. */
395 if(0)
396 g_timeout_add(1000/*milliseconds*/, heartbeat, 0);
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397 /* global tooltips */
398 tips = gtk_tooltips_new();
460b9539 399 make_toplevel_window();
400 /* reset styles now everything has its name */
401 gtk_rc_reset_styles(gtk_settings_get_for_screen(gdk_screen_get_default()));
402 gtk_widget_show_all(toplevel);
7858930d 403 /* issue a NOP every so often */
404 g_timeout_add_full(G_PRIORITY_LOW,
405 1000/*interval, ms*/,
406 maybe_send_nop,
407 0/*data*/,
408 0/*notify*/);
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409 /* Start monitoring the log */
410 disorder_eclient_log(logclient, &log_callbacks, 0);
460b9539 411 D(("enter main loop"));
e1d4a32b 412 MTAG("misc");
460b9539 413 g_main_loop_run(mainloop);
414 return 0;
415}
416
417/*
418Local Variables:
419c-basic-offset:2
420comment-column:40
421fill-column:79
422indent-tabs-mode:nil
423End:
424*/