2 * This file is part of DisOrder.
3 * Copyright (C) 2006, 2007 Richard Kettlewell
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.
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.
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
20 /** @file disobedience/disobedience.c
21 * @brief Main Disobedience program
24 #include "disobedience.h"
30 /* Apologies for the numerous de-consting casts, but GLib et al do not seem to
31 * have heard of const. */
33 #include "style.h" /* generated style */
35 /* Variables --------------------------------------------------------------- */
37 /** @brief Event loop */
40 /** @brief Top-level window */
43 /** @brief Label for progress indicator */
44 GtkWidget *report_label;
46 /** @brief Main tab group */
49 /** @brief Main client */
50 disorder_eclient *client;
52 /** @brief Last reported state
54 * This is updated by log_state().
56 unsigned long last_state;
58 /** @brief True if some track is playing
60 * This ought to be removed in favour of last_state & DISORDER_PLAYING
64 /** @brief Left channel volume */
67 /** @brief Right channel volume */
70 double goesupto = 10; /* volume upper bound */
72 /** @brief Break up choose tab by initial letter */
75 /** @brief True if a NOP is in flight */
76 static int nop_in_flight;
78 /* Window creation --------------------------------------------------------- */
80 /* Note that all the client operations kicked off from here will only complete
81 * after we've entered the event loop. */
83 /** @brief Called when main window is deleted
85 * Terminates the program.
87 static gboolean delete_event(GtkWidget attribute((unused)) *widget,
88 GdkEvent attribute((unused)) *event,
89 gpointer attribute((unused)) data) {
91 exit(0); /* die immediately */
94 /** @brief Called when the current tab is switched
96 * Updates the menu settings to correspond to the new page.
98 static void tab_switched(GtkNotebook attribute((unused)) *notebook,
99 GtkNotebookPage attribute((unused)) *page,
101 gpointer attribute((unused)) user_data) {
102 menu_update(page_num);
105 /** @brief Create the report box */
106 static GtkWidget *report_box(void) {
107 GtkWidget *vbox = gtk_vbox_new(FALSE, 0);
109 report_label = gtk_label_new("");
110 gtk_label_set_ellipsize(GTK_LABEL(report_label), PANGO_ELLIPSIZE_END);
111 gtk_misc_set_alignment(GTK_MISC(report_label), 0, 0);
112 gtk_container_add(GTK_CONTAINER(vbox), gtk_hseparator_new());
113 gtk_container_add(GTK_CONTAINER(vbox), report_label);
117 /** @brief Create and populate the main tab group */
118 static GtkWidget *notebook(void) {
119 tabs = gtk_notebook_new();
120 g_signal_connect(tabs, "switch-page", G_CALLBACK(tab_switched), 0);
121 gtk_notebook_append_page(GTK_NOTEBOOK(tabs), queue_widget(),
122 gtk_label_new("Queue"));
123 gtk_notebook_append_page(GTK_NOTEBOOK(tabs), recent_widget(),
124 gtk_label_new("Recent"));
125 gtk_notebook_append_page(GTK_NOTEBOOK(tabs), choose_widget(),
126 gtk_label_new("Choose"));
130 /** @brief Create and populate the main window */
131 static void make_toplevel_window(void) {
132 GtkWidget *const vbox = gtk_vbox_new(FALSE, 1);
133 GtkWidget *const rb = report_box();
136 toplevel = gtk_window_new(GTK_WINDOW_TOPLEVEL);
137 /* default size is too small */
138 gtk_window_set_default_size(GTK_WINDOW(toplevel), 640, 480);
139 /* terminate on close */
140 g_signal_connect(G_OBJECT(toplevel), "delete_event",
141 G_CALLBACK(delete_event), NULL);
142 /* lay out the window */
143 gtk_window_set_title(GTK_WINDOW(toplevel), "Disobedience");
144 gtk_container_add(GTK_CONTAINER(toplevel), vbox);
145 /* lay out the vbox */
146 gtk_box_pack_start(GTK_BOX(vbox),
151 gtk_box_pack_start(GTK_BOX(vbox),
156 gtk_container_add(GTK_CONTAINER(vbox), notebook());
157 gtk_box_pack_end(GTK_BOX(vbox),
162 gtk_widget_set_name(toplevel, "disobedience");
166 static int widget_count, container_count;
168 static void count_callback(GtkWidget *w,
169 gpointer attribute((unused)) data) {
171 if(GTK_IS_CONTAINER(w)) {
173 gtk_container_foreach(GTK_CONTAINER(w), count_callback, 0);
177 static void count_widgets(void) {
181 gtk_container_foreach(GTK_CONTAINER(toplevel), count_callback, 0);
182 fprintf(stderr, "widget count: %8d container count: %8d\n",
183 widget_count, container_count);
188 const char *mtag = "init";
189 static hash *mtrack_hash;
191 static int *mthfind(const char *tag) {
192 static const int zero = 0;
193 int *cp = hash_find(mtrack_hash, tag);
195 hash_add(mtrack_hash, tag, &zero, HASH_INSERT);
196 cp = hash_find(mtrack_hash, tag);
201 static void *trap_malloc(size_t n) {
202 void *ptr = malloc(n + sizeof(char *));
204 *(const char **)ptr = mtag;
206 return (char *)ptr + sizeof(char *);
209 static void trap_free(void *ptr) {
213 ptr = (char *)ptr - sizeof(char *);
214 tag = *(const char **)ptr;
219 static void *trap_realloc(void *ptr, size_t n) {
221 return trap_malloc(n);
226 ptr = (char *)ptr - sizeof(char *);
227 ptr = realloc(ptr, n + sizeof(char *));
228 *(const char **)ptr = mtag;
229 return (char *)ptr + sizeof(char *);
232 static int report_tags_callback(const char *key, void *value,
233 void attribute((unused)) *u) {
234 fprintf(stderr, "%16s: %d\n", key, *(int *)value);
238 static void report_tags(void) {
239 hash_foreach(mtrack_hash, report_tags_callback, 0);
240 fprintf(stderr, "\n");
243 static const GMemVTable glib_memvtable = {
253 /** @brief Called once every 10 minutes */
254 static gboolean periodic(gpointer attribute((unused)) data) {
256 /* Expire cached data */
258 /* Update everything to be sure that the connection to the server hasn't
259 * mysteriously gone stale on us. */
263 fprintf(stderr, "cache size: %zu\n", cache_count());
268 return TRUE; /* don't remove me */
271 /** @brief Called from time to time
273 * Used for debugging purposes
275 static gboolean heartbeat(gpointer attribute((unused)) data) {
276 static struct timeval last;
280 xgettimeofday(&now, 0);
282 delta = (now.tv_sec + now.tv_sec / 1.0E6)
283 - (last.tv_sec + last.tv_sec / 1.0E6);
285 fprintf(stderr, "%f: %fs between 1s heartbeats\n",
286 now.tv_sec + now.tv_sec / 1.0E6,
293 /** @brief Called when a NOP completes */
294 static void nop_completed(void attribute((unused)) *v) {
298 /** @brief Called from time to time to arrange for a NOP to be sent
300 * At most one NOP remains in flight at any moment. If the client is not
301 * currently connected then no NOP is sent.
303 static gboolean maybe_send_nop(gpointer attribute((unused)) data) {
304 if(!nop_in_flight && (disorder_eclient_state(client) & DISORDER_CONNECTED)) {
306 disorder_eclient_nop(client, nop_completed, 0);
308 return TRUE; /* keep call me please */
311 /* main -------------------------------------------------------------------- */
313 static const struct option options[] = {
314 { "help", no_argument, 0, 'h' },
315 { "version", no_argument, 0, 'V' },
316 { "config", required_argument, 0, 'c' },
317 { "tufnel", no_argument, 0, 't' },
318 { "choosealpha", no_argument, 0, 'C' },
319 { "debug", no_argument, 0, 'd' },
323 /* display usage message and terminate */
324 static void help(void) {
325 xprintf("Disobedience - GUI client for DisOrder\n"
328 " disobedience [OPTIONS]\n"
330 " --help, -h Display usage message\n"
331 " --version, -V Display version number\n"
332 " --config PATH, -c PATH Set configuration file\n"
333 " --debug, -d Turn on debugging\n"
335 "Also GTK+ options will work.\n");
340 /* display version number and terminate */
341 static void version(void) {
342 xprintf("disorder version %s\n", disorder_version_string);
347 int main(int argc, char **argv) {
349 disorder_eclient *logclient;
352 /* garbage-collect PCRE's memory */
353 pcre_malloc = xmalloc;
356 mtrack_hash = hash_new(sizeof (int));
357 g_mem_set_vtable((GMemVTable *)&glib_memvtable);
359 if(!setlocale(LC_CTYPE, "")) fatal(errno, "error calling setlocale");
360 gtk_init(&argc, &argv);
361 gtk_rc_parse_string(style);
362 while((n = getopt_long(argc, argv, "hVc:dtH", options, 0)) >= 0) {
366 case 'c': configfile = optarg; break;
367 case 'd': debugging = 1; break;
368 case 't': goesupto = 11; break;
369 case 'C': choosealpha = 1; break; /* not well tested any more */
370 default: fatal(0, "invalid option");
373 signal(SIGPIPE, SIG_IGN);
374 /* create the event loop */
375 D(("create main loop"));
376 mainloop = g_main_loop_new(0, 0);
377 if(config_read()) fatal(0, "cannot read configuration");
378 /* create the clients */
379 if(!(client = gtkclient())
380 || !(logclient = gtkclient()))
381 return 1; /* already reported an error */
382 /* periodic operations (e.g. expiring the cache) */
384 g_timeout_add(5000/*milliseconds*/, periodic, 0);
386 g_timeout_add(600000/*milliseconds*/, periodic, 0);
388 /* The point of this is to try and get a handle on mysterious
389 * unresponsiveness. It's not very useful in production use. */
391 g_timeout_add(1000/*milliseconds*/, heartbeat, 0);
392 make_toplevel_window();
393 /* reset styles now everything has its name */
394 gtk_rc_reset_styles(gtk_settings_get_for_screen(gdk_screen_get_default()));
395 gtk_widget_show_all(toplevel);
396 /* issue a NOP every so often */
397 g_timeout_add_full(G_PRIORITY_LOW,
398 1000/*interval, ms*/,
402 /* Start monitoring the log */
403 disorder_eclient_log(logclient, &log_callbacks, 0);
404 D(("enter main loop"));
406 g_main_loop_run(mainloop);