1 /*
2 * $Id$
3 *
4 * (c) 2004 by Kalle Wallin <kaw@linux.se>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU 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 USA
18 *
19 */
21 #include <stdio.h>
22 #include <stdlib.h>
23 #include <unistd.h>
24 #include <signal.h>
25 #include <string.h>
26 #include <ncurses.h>
27 #include <glib.h>
29 #include "config.h"
30 #include "ncmpc.h"
31 #include "mpdclient.h"
32 #include "support.h"
33 #include "options.h"
34 #include "conf.h"
35 #include "command.h"
36 #include "src_lyrics.h"
37 #include "screen.h"
38 #include "screen_utils.h"
39 #include "strfsong.h"
40 #include "splash.h"
42 #define BUFSIZE 1024
44 static mpdclient_t *mpd = NULL;
45 static gboolean connected = FALSE;
46 static GTimer *timer = NULL;
48 static gchar *
49 error_msg(gchar *msg)
50 {
51 gchar *p;
53 if( (p=strchr(msg, '}' )) == NULL )
54 return msg;
55 while( p && *p && (*p=='}' || *p==' ') )
56 p++;
58 return p;
59 }
61 static void
62 error_callback(mpdclient_t *c, gint error, gchar *msg)
63 {
64 gint code = GET_ACK_ERROR_CODE(error);
66 error = error & 0xFF;
67 D("Error [%d:%d]> \"%s\"\n", error, code, msg);
68 switch(error)
69 {
70 case MPD_ERROR_CONNPORT:
71 case MPD_ERROR_NORESPONSE:
72 break;
73 case MPD_ERROR_ACK:
74 screen_status_printf("%s", error_msg(msg));
75 screen_bell();
76 break;
77 default:
78 screen_status_printf("%s", msg);
79 screen_bell();
80 doupdate();
81 connected = FALSE;
82 }
83 }
85 static void
86 update_xterm_title(void)
87 {
88 static char title[BUFSIZE];
89 char tmp[BUFSIZE];
90 mpd_Status *status = NULL;
91 mpd_Song *song = NULL;
93 if( mpd )
94 {
95 status = mpd->status;
96 song = mpd->song;
97 }
99 if(options.xterm_title_format && status && song && IS_PLAYING(status->state))
100 {
101 strfsong(tmp, BUFSIZE, options.xterm_title_format, song);
102 }
103 else
104 g_strlcpy(tmp, PACKAGE " version " VERSION, BUFSIZE);
106 if( strncmp(title,tmp,BUFSIZE) )
107 {
108 g_strlcpy(title, tmp, BUFSIZE);
109 set_xterm_title("%s", title);
110 }
111 }
113 void
114 exit_and_cleanup(void)
115 {
116 screen_exit();
117 set_xterm_title("");
118 printf("\n");
119 if( mpd )
120 {
121 mpdclient_disconnect(mpd);
122 mpd = mpdclient_free(mpd);
123 }
124 g_free(options.host);
125 g_free(options.password);
126 g_free(options.list_format);
127 g_free(options.status_format);
128 if( timer )
129 g_timer_destroy(timer);
130 }
132 void
133 catch_sigint( int sig )
134 {
135 printf("\n%s\n", _("Exiting..."));
136 exit(EXIT_SUCCESS);
137 }
139 void
140 catch_sighup( int sig)
141 {
142 printf("\n%s\n", _("Exiting..."));
143 exit(EXIT_SUCCESS);
144 }
146 void
147 catch_sigcont( int sig )
148 {
149 D("catch_sigcont()\n");
150 #ifdef ENABLE_RAW_MODE
151 reset_prog_mode(); /* restore tty modes */
152 refresh();
153 #endif
154 screen_resize();
155 }
157 void
158 sigstop(void)
159 {
160 def_prog_mode(); /* save the tty modes */
161 endwin(); /* end curses mode temporarily */
162 kill(0, SIGSTOP); /* issue SIGSTOP */
163 }
165 #ifdef DEBUG
166 void
167 D(char *format, ...)
168 {
169 if( options.debug )
170 {
171 gchar *msg;
172 va_list ap;
174 va_start(ap,format);
175 msg = g_strdup_vprintf(format,ap);
176 va_end(ap);
177 fprintf(stderr, "%s", msg);
178 g_free(msg);
179 }
180 }
181 #endif
183 int
184 main(int argc, const char *argv[])
185 {
186 options_t *options;
187 struct sigaction act;
188 const char *charset = NULL;
189 gboolean key_error;
191 #ifdef HAVE_LOCALE_H
192 /* time and date formatting */
193 setlocale(LC_TIME,"");
194 /* care about sorting order etc */
195 setlocale(LC_COLLATE,"");
196 /* charset */
197 setlocale(LC_CTYPE,"");
198 /* initialize charset conversions */
199 charset_init(g_get_charset(&charset));
200 D("charset: %s\n", charset);
201 #endif
203 /* initialize i18n support */
204 #ifdef ENABLE_NLS
205 setlocale(LC_MESSAGES, "");
206 bindtextdomain(GETTEXT_PACKAGE, LOCALE_DIR);
207 bind_textdomain_codeset(GETTEXT_PACKAGE, charset);
208 textdomain(GETTEXT_PACKAGE);
209 #endif
211 /* initialize options */
212 options = options_init();
214 /* parse command line options - 1 pass get configuration files */
215 options_parse(argc, argv);
217 /* read configuration */
218 read_configuration(options);
220 /* check key bindings */
221 key_error = check_key_bindings(NULL, NULL, 0);
223 /* parse command line options - 2 pass */
224 options_parse(argc, argv);
226 /* setup signal behavior - SIGINT */
227 sigemptyset( &act.sa_mask );
228 act.sa_flags = 0;
229 act.sa_handler = catch_sigint;
230 if( sigaction(SIGINT, &act, NULL)<0 )
231 {
232 perror("signal");
233 exit(EXIT_FAILURE);
234 }
235 /* setup signal behavior - SIGTERM */
236 sigemptyset( &act.sa_mask );
237 act.sa_flags = 0;
238 act.sa_handler = catch_sigint;
239 if( sigaction(SIGTERM, &act, NULL)<0 )
240 {
241 perror("sigaction()");
242 exit(EXIT_FAILURE);
243 }
244 /* setup signal behavior - SIGCONT */
245 sigemptyset( &act.sa_mask );
246 act.sa_flags = 0;
247 act.sa_handler = catch_sigcont;
248 if( sigaction(SIGCONT, &act, NULL)<0 )
249 {
250 perror("sigaction(SIGCONT)");
251 exit(EXIT_FAILURE);
252 }
254 /* setup signal behaviour - SIGHUP*/
255 sigemptyset( &act.sa_mask );
256 act.sa_flags = 0;
257 act.sa_handler = catch_sigint;
258 if( sigaction(SIGHUP, &act, NULL)<0 )
259 {
260 perror("sigaction(SIGHUP)");
261 exit(EXIT_FAILURE);
262 }
264 /* install exit function */
265 atexit(exit_and_cleanup);
267 ncurses_init();
268 if(options->show_splash == TRUE) draw_splash();
270 src_lyr_init ();
272 /* connect to our music player daemon */
273 mpd = mpdclient_new();
275 if( mpdclient_connect(mpd,
276 options->host,
277 options->port,
278 10.0,
279 options->password) )
280 {
281 exit(EXIT_FAILURE);
282 }
284 /* if no password is used, but the mpd wants one, the connection
285 might be established but no status information is avaiable */
286 mpdclient_update(mpd);
287 if(!mpd->status)
288 {
289 screen_auth(mpd);
290 }
291 if(!mpd->status) exit(EXIT_FAILURE);
293 connected = TRUE;
294 D("Connected to MPD version %d.%d.%d\n",
295 mpd->connection->version[0],
296 mpd->connection->version[1],
297 mpd->connection->version[2]);
299 /* quit if mpd is pre 0.11.0 - song id not supported by mpd */
300 if( MPD_VERSION_LT(mpd, 0,11,0) )
301 {
302 fprintf(stderr,
303 _("Error: MPD version %d.%d.%d is to old (0.11.0 needed).\n"),
304 mpd->connection->version[0],
305 mpd->connection->version[1],
306 mpd->connection->version[2]);
307 exit(EXIT_FAILURE);
308 }
310 /* initialize curses */
311 screen_init(mpd);
312 /* install error callback function */
313 mpdclient_install_error_callback(mpd, error_callback);
315 /* initialize timer */
316 timer = g_timer_new();
318 connected = TRUE;
319 while( connected || options->reconnect )
320 {
321 static gdouble t = G_MAXDOUBLE;
323 if( key_error )
324 {
325 char buf[BUFSIZE];
327 key_error=check_key_bindings(NULL, buf, BUFSIZE);
328 screen_status_printf("%s", buf);
329 }
331 if( connected && (t>=MPD_UPDATE_TIME || mpd->need_update) )
332 {
333 mpdclient_update(mpd);
334 g_timer_start(timer);
335 }
337 if( connected )
338 {
339 command_t cmd;
341 screen_update(mpd);
342 if( (cmd=get_keyboard_command()) != CMD_NONE )
343 {
344 screen_cmd(mpd, cmd);
345 if( cmd==CMD_VOLUME_UP || cmd==CMD_VOLUME_DOWN)
346 /* make shure we dont update the volume yet */
347 g_timer_start(timer);
348 }
349 else
350 screen_idle(mpd);
351 }
352 else if( options->reconnect )
353 {
354 screen_status_printf(_("Connecting to %s... [Press %s to abort]"),
355 options->host, get_key_names(CMD_QUIT,0) );
357 if( get_keyboard_command_with_timeout(MPD_RECONNECT_TIME)==CMD_QUIT)
358 exit(EXIT_SUCCESS);
360 if( mpdclient_connect(mpd,
361 options->host,
362 options->port,
363 1.5,
364 options->password) == 0 )
365 {
366 screen_status_printf(_("Connected to %s!"), options->host);
367 connected = TRUE;
368 }
369 doupdate();
370 }
371 if( options->enable_xterm_title )
372 update_xterm_title();
373 t = g_timer_elapsed(timer, NULL);
374 }
375 exit(EXIT_FAILURE);
376 }