chiark / gitweb /
macdink the login box
[disorder] / disobedience / disobedience.c
CommitLineData
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 */
219dc95c
RK
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
219dc95c
RK
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
73f1b9f3
RK
52/** @brief Log client */
53disorder_eclient *logclient;
54
219dc95c
RK
55/** @brief Last reported state
56 *
57 * This is updated by log_state().
58 */
59unsigned long last_state;
60
61/** @brief True if some track is playing
62 *
63 * This ought to be removed in favour of last_state & DISORDER_PLAYING
64 */
65int playing;
66
67/** @brief Left channel volume */
68int volume_l;
69
70/** @brief Right channel volume */
71int volume_r;
460b9539 72
460b9539 73double goesupto = 10; /* volume upper bound */
219dc95c 74
7858930d 75/** @brief True if a NOP is in flight */
76static int nop_in_flight;
77
348ef780
RK
78/** @brief Global tooltip group */
79GtkTooltips *tips;
80
73f1b9f3
RK
81/** @brief Linked list of functions to call when we reset login parameters */
82static struct reset_callback_node {
83 struct reset_callback_node *next;
84 reset_callback *callback;
85} *resets;
86
460b9539 87/* Window creation --------------------------------------------------------- */
88
89/* Note that all the client operations kicked off from here will only complete
90 * after we've entered the event loop. */
91
219dc95c
RK
92/** @brief Called when main window is deleted
93 *
94 * Terminates the program.
95 */
460b9539 96static gboolean delete_event(GtkWidget attribute((unused)) *widget,
97 GdkEvent attribute((unused)) *event,
98 gpointer attribute((unused)) data) {
99 D(("delete_event"));
100 exit(0); /* die immediately */
101}
102
219dc95c
RK
103/** @brief Called when the current tab is switched
104 *
105 * Updates the menu settings to correspond to the new page.
106 */
460b9539 107static void tab_switched(GtkNotebook attribute((unused)) *notebook,
108 GtkNotebookPage attribute((unused)) *page,
109 guint page_num,
110 gpointer attribute((unused)) user_data) {
111 menu_update(page_num);
112}
113
219dc95c 114/** @brief Create the report box */
460b9539 115static GtkWidget *report_box(void) {
116 GtkWidget *vbox = gtk_vbox_new(FALSE, 0);
117
118 report_label = gtk_label_new("");
119 gtk_label_set_ellipsize(GTK_LABEL(report_label), PANGO_ELLIPSIZE_END);
120 gtk_misc_set_alignment(GTK_MISC(report_label), 0, 0);
121 gtk_container_add(GTK_CONTAINER(vbox), gtk_hseparator_new());
122 gtk_container_add(GTK_CONTAINER(vbox), report_label);
123 return vbox;
124}
125
219dc95c 126/** @brief Create and populate the main tab group */
460b9539 127static GtkWidget *notebook(void) {
128 tabs = gtk_notebook_new();
129 g_signal_connect(tabs, "switch-page", G_CALLBACK(tab_switched), 0);
130 gtk_notebook_append_page(GTK_NOTEBOOK(tabs), queue_widget(),
131 gtk_label_new("Queue"));
132 gtk_notebook_append_page(GTK_NOTEBOOK(tabs), recent_widget(),
133 gtk_label_new("Recent"));
134 gtk_notebook_append_page(GTK_NOTEBOOK(tabs), choose_widget(),
135 gtk_label_new("Choose"));
4eb1f430
RK
136 gtk_notebook_append_page(GTK_NOTEBOOK(tabs), added_widget(),
137 gtk_label_new("Added"));
460b9539 138 return tabs;
139}
140
219dc95c 141/** @brief Create and populate the main window */
460b9539 142static void make_toplevel_window(void) {
143 GtkWidget *const vbox = gtk_vbox_new(FALSE, 1);
144 GtkWidget *const rb = report_box();
145
146 D(("top_window"));
147 toplevel = gtk_window_new(GTK_WINDOW_TOPLEVEL);
148 /* default size is too small */
149 gtk_window_set_default_size(GTK_WINDOW(toplevel), 640, 480);
150 /* terminate on close */
151 g_signal_connect(G_OBJECT(toplevel), "delete_event",
152 G_CALLBACK(delete_event), NULL);
153 /* lay out the window */
154 gtk_window_set_title(GTK_WINDOW(toplevel), "Disobedience");
155 gtk_container_add(GTK_CONTAINER(toplevel), vbox);
156 /* lay out the vbox */
157 gtk_box_pack_start(GTK_BOX(vbox),
158 menubar(toplevel),
159 FALSE, /* expand */
160 FALSE, /* fill */
161 0);
162 gtk_box_pack_start(GTK_BOX(vbox),
163 control_widget(),
164 FALSE, /* expand */
165 FALSE, /* fill */
166 0);
167 gtk_container_add(GTK_CONTAINER(vbox), notebook());
168 gtk_box_pack_end(GTK_BOX(vbox),
169 rb,
170 FALSE, /* expand */
171 FALSE, /* fill */
172 0);
173 gtk_widget_set_name(toplevel, "disobedience");
174}
175
0b7c8909 176#if MDEBUG
177static int widget_count, container_count;
178
179static void count_callback(GtkWidget *w,
180 gpointer attribute((unused)) data) {
181 ++widget_count;
182 if(GTK_IS_CONTAINER(w)) {
183 ++container_count;
184 gtk_container_foreach(GTK_CONTAINER(w), count_callback, 0);
185 }
186}
187
188static void count_widgets(void) {
189 widget_count = 0;
190 container_count = 1;
191 if(toplevel)
192 gtk_container_foreach(GTK_CONTAINER(toplevel), count_callback, 0);
193 fprintf(stderr, "widget count: %8d container count: %8d\n",
194 widget_count, container_count);
195}
196#endif
197
e1d4a32b 198#if MTRACK
199const char *mtag = "init";
200static hash *mtrack_hash;
201
202static int *mthfind(const char *tag) {
203 static const int zero = 0;
204 int *cp = hash_find(mtrack_hash, tag);
205 if(!cp) {
206 hash_add(mtrack_hash, tag, &zero, HASH_INSERT);
207 cp = hash_find(mtrack_hash, tag);
208 }
209 return cp;
210}
211
212static void *trap_malloc(size_t n) {
213 void *ptr = malloc(n + sizeof(char *));
214
215 *(const char **)ptr = mtag;
216 ++*mthfind(mtag);
217 return (char *)ptr + sizeof(char *);
218}
219
220static void trap_free(void *ptr) {
221 const char *tag;
222 if(!ptr)
223 return;
224 ptr = (char *)ptr - sizeof(char *);
225 tag = *(const char **)ptr;
226 --*mthfind(tag);
227 free(ptr);
228}
229
230static void *trap_realloc(void *ptr, size_t n) {
231 if(!ptr)
232 return trap_malloc(n);
233 if(!n) {
234 trap_free(ptr);
235 return 0;
236 }
237 ptr = (char *)ptr - sizeof(char *);
238 ptr = realloc(ptr, n + sizeof(char *));
239 *(const char **)ptr = mtag;
240 return (char *)ptr + sizeof(char *);
241}
242
243static int report_tags_callback(const char *key, void *value,
244 void attribute((unused)) *u) {
245 fprintf(stderr, "%16s: %d\n", key, *(int *)value);
246 return 0;
247}
248
249static void report_tags(void) {
250 hash_foreach(mtrack_hash, report_tags_callback, 0);
251 fprintf(stderr, "\n");
252}
253
254static const GMemVTable glib_memvtable = {
255 trap_malloc,
256 trap_realloc,
257 trap_free,
258 0,
259 0,
260 0
261};
262#endif
263
219dc95c 264/** @brief Called once every 10 minutes */
460b9539 265static gboolean periodic(gpointer attribute((unused)) data) {
266 D(("periodic"));
267 /* Expire cached data */
268 cache_expire();
269 /* Update everything to be sure that the connection to the server hasn't
270 * mysteriously gone stale on us. */
271 all_update();
0b7c8909 272#if MDEBUG
273 count_widgets();
274 fprintf(stderr, "cache size: %zu\n", cache_count());
e1d4a32b 275#endif
276#if MTRACK
277 report_tags();
0b7c8909 278#endif
460b9539 279 return TRUE; /* don't remove me */
280}
281
219dc95c
RK
282/** @brief Called from time to time
283 *
284 * Used for debugging purposes
285 */
460b9539 286static gboolean heartbeat(gpointer attribute((unused)) data) {
287 static struct timeval last;
288 struct timeval now;
289 double delta;
290
291 xgettimeofday(&now, 0);
292 if(last.tv_sec) {
293 delta = (now.tv_sec + now.tv_sec / 1.0E6)
294 - (last.tv_sec + last.tv_sec / 1.0E6);
295 if(delta >= 1.0625)
296 fprintf(stderr, "%f: %fs between 1s heartbeats\n",
297 now.tv_sec + now.tv_sec / 1.0E6,
298 delta);
299 }
300 last = now;
301 return TRUE;
302}
303
7858930d 304/** @brief Called when a NOP completes */
305static void nop_completed(void attribute((unused)) *v) {
306 nop_in_flight = 0;
307}
308
309/** @brief Called from time to time to arrange for a NOP to be sent
310 *
311 * At most one NOP remains in flight at any moment. If the client is not
312 * currently connected then no NOP is sent.
313 */
314static gboolean maybe_send_nop(gpointer attribute((unused)) data) {
8f763f1b 315 if(!nop_in_flight && (disorder_eclient_state(client) & DISORDER_CONNECTED)) {
7858930d 316 nop_in_flight = 1;
317 disorder_eclient_nop(client, nop_completed, 0);
318 }
319 return TRUE; /* keep call me please */
320}
321
460b9539 322/* main -------------------------------------------------------------------- */
323
324static const struct option options[] = {
325 { "help", no_argument, 0, 'h' },
326 { "version", no_argument, 0, 'V' },
327 { "config", required_argument, 0, 'c' },
328 { "tufnel", no_argument, 0, 't' },
460b9539 329 { "debug", no_argument, 0, 'd' },
330 { 0, 0, 0, 0 }
331};
332
333/* display usage message and terminate */
334static void help(void) {
335 xprintf("Disobedience - GUI client for DisOrder\n"
336 "\n"
337 "Usage:\n"
338 " disobedience [OPTIONS]\n"
339 "Options:\n"
340 " --help, -h Display usage message\n"
341 " --version, -V Display version number\n"
342 " --config PATH, -c PATH Set configuration file\n"
343 " --debug, -d Turn on debugging\n"
344 "\n"
345 "Also GTK+ options will work.\n");
346 xfclose(stdout);
347 exit(0);
348}
349
350/* display version number and terminate */
351static void version(void) {
352 xprintf("disorder version %s\n", disorder_version_string);
353 xfclose(stdout);
354 exit(0);
355}
356
73f1b9f3
RK
357/* reset state */
358void reset(void) {
359 struct reset_callback_node *r;
360
361 /* reset the clients */
362 disorder_eclient_close(client);
363 disorder_eclient_close(logclient);
364 for(r = resets; r; r = r->next)
365 r->callback();
366}
367
368/** @brief Register a reset callback */
369void register_reset(reset_callback *callback) {
370 struct reset_callback_node *const r = xmalloc(sizeof *r);
371
372 r->next = resets;
373 r->callback = callback;
374 resets = r;
375}
376
460b9539 377int main(int argc, char **argv) {
378 int n;
460b9539 379
320598d4 380 mem_init();
fe8f8518
RK
381 /* garbage-collect PCRE's memory */
382 pcre_malloc = xmalloc;
383 pcre_free = xfree;
e1d4a32b 384#if MTRACK
385 mtrack_hash = hash_new(sizeof (int));
386 g_mem_set_vtable((GMemVTable *)&glib_memvtable);
387#endif
460b9539 388 if(!setlocale(LC_CTYPE, "")) fatal(errno, "error calling setlocale");
460b9539 389 gtk_init(&argc, &argv);
390 gtk_rc_parse_string(style);
c3df9503 391 while((n = getopt_long(argc, argv, "hVc:dtHC", options, 0)) >= 0) {
460b9539 392 switch(n) {
393 case 'h': help();
394 case 'V': version();
395 case 'c': configfile = optarg; break;
396 case 'd': debugging = 1; break;
397 case 't': goesupto = 11; break;
460b9539 398 default: fatal(0, "invalid option");
399 }
400 }
346ba8d5 401 signal(SIGPIPE, SIG_IGN);
460b9539 402 /* create the event loop */
403 D(("create main loop"));
404 mainloop = g_main_loop_new(0, 0);
c00fce3a 405 if(config_read(0)) fatal(0, "cannot read configuration");
460b9539 406 /* create the clients */
1c0d78bd
RK
407 if(!(client = gtkclient())
408 || !(logclient = gtkclient()))
409 return 1; /* already reported an error */
460b9539 410 /* periodic operations (e.g. expiring the cache) */
e1d4a32b 411#if MDEBUG || MTRACK
0b7c8909 412 g_timeout_add(5000/*milliseconds*/, periodic, 0);
413#else
460b9539 414 g_timeout_add(600000/*milliseconds*/, periodic, 0);
0b7c8909 415#endif
460b9539 416 /* The point of this is to try and get a handle on mysterious
417 * unresponsiveness. It's not very useful in production use. */
418 if(0)
419 g_timeout_add(1000/*milliseconds*/, heartbeat, 0);
348ef780
RK
420 /* global tooltips */
421 tips = gtk_tooltips_new();
460b9539 422 make_toplevel_window();
423 /* reset styles now everything has its name */
424 gtk_rc_reset_styles(gtk_settings_get_for_screen(gdk_screen_get_default()));
425 gtk_widget_show_all(toplevel);
7858930d 426 /* issue a NOP every so often */
427 g_timeout_add_full(G_PRIORITY_LOW,
428 1000/*interval, ms*/,
429 maybe_send_nop,
430 0/*data*/,
431 0/*notify*/);
73f1b9f3 432 register_reset(properties_reset);
6d1302f0
RK
433 /* Start monitoring the log */
434 disorder_eclient_log(logclient, &log_callbacks, 0);
460b9539 435 D(("enter main loop"));
e1d4a32b 436 MTAG("misc");
460b9539 437 g_main_loop_run(mainloop);
438 return 0;
439}
440
441/*
442Local Variables:
443c-basic-offset:2
444comment-column:40
445fill-column:79
446indent-tabs-mode:nil
447End:
448*/