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 "screen.h"
37 #include "screen_utils.h"
38 #include "strfsong.h"
40 #define BUFSIZE 1024
42 static mpdclient_t *mpd = NULL;
43 static gboolean connected = FALSE;
44 static GTimer *timer = NULL;
46 static gchar *
47 error_msg(gchar *msg)
48 {
49 gchar *p;
51 if( (p=strchr(msg, '}' )) == NULL )
52 return msg;
53 while( p && *p && (*p=='}' || *p==' ') )
54 p++;
56 return p;
57 }
59 static void
60 error_callback(mpdclient_t *c, gint error, gchar *msg)
61 {
62 gint code = GET_ACK_ERROR_CODE(error);
64 error = error & 0xFF;
65 D("Error [%d:%d]> \"%s\"\n", error, code, msg);
66 switch(error)
67 {
68 case MPD_ERROR_CONNPORT:
69 case MPD_ERROR_NORESPONSE:
70 break;
71 case MPD_ERROR_ACK:
72 screen_status_printf("%s", error_msg(msg));
73 screen_bell();
74 break;
75 default:
76 screen_status_printf("%s", msg);
77 screen_bell();
78 doupdate();
79 connected = FALSE;
80 }
81 }
83 static void
84 update_xterm_title(void)
85 {
86 static char title[BUFSIZE];
87 char tmp[BUFSIZE];
88 mpd_Status *status = NULL;
89 mpd_Song *song = NULL;
91 if( mpd )
92 {
93 status = mpd->status;
94 song = mpd->song;
95 }
97 if(options.xterm_title_format && status && song && IS_PLAYING(status->state))
98 {
99 strfsong(tmp, BUFSIZE, options.xterm_title_format, song);
100 }
101 else
102 g_strlcpy(tmp, PACKAGE " version " VERSION, BUFSIZE);
104 if( strncmp(title,tmp,BUFSIZE) )
105 {
106 g_strlcpy(title, tmp, BUFSIZE);
107 set_xterm_title("%s", title);
108 }
109 }
111 void
112 exit_and_cleanup(void)
113 {
114 screen_exit();
115 set_xterm_title("");
116 printf("\n");
117 if( mpd )
118 {
119 mpdclient_disconnect(mpd);
120 mpd = mpdclient_free(mpd);
121 }
122 g_free(options.host);
123 g_free(options.password);
124 g_free(options.list_format);
125 g_free(options.status_format);
126 if( timer )
127 g_timer_destroy(timer);
128 }
130 void
131 catch_sigint( int sig )
132 {
133 printf("\n%s\n", _("Exiting..."));
134 exit(EXIT_SUCCESS);
135 }
137 void
138 catch_sighup( int sig)
139 {
140 printf("\n%s\n", _("Exiting..."));
141 exit(EXIT_SUCCESS);
142 }
144 void
145 catch_sigcont( int sig )
146 {
147 D("catch_sigcont()\n");
148 #ifdef ENABLE_RAW_MODE
149 reset_prog_mode(); /* restore tty modes */
150 refresh();
151 #endif
152 screen_resize();
153 }
155 void
156 sigstop(void)
157 {
158 def_prog_mode(); /* save the tty modes */
159 endwin(); /* end curses mode temporarily */
160 kill(0, SIGSTOP); /* issue SIGSTOP */
161 }
163 #ifdef DEBUG
164 void
165 D(char *format, ...)
166 {
167 if( options.debug )
168 {
169 gchar *msg;
170 va_list ap;
172 va_start(ap,format);
173 msg = g_strdup_vprintf(format,ap);
174 va_end(ap);
175 fprintf(stderr, "%s", msg);
176 g_free(msg);
177 }
178 }
179 #endif
181 int
182 main(int argc, const char *argv[])
183 {
184 options_t *options;
185 struct sigaction act;
186 const char *charset = NULL;
187 gboolean key_error;
189 #ifdef HAVE_LOCALE_H
190 /* time and date formatting */
191 setlocale(LC_TIME,"");
192 /* charset */
193 setlocale(LC_CTYPE,"");
194 /* initialize charset conversions */
195 charset_init(g_get_charset(&charset));
196 D("charset: %s\n", charset);
197 #endif
199 /* initialize i18n support */
200 #ifdef ENABLE_NLS
201 setlocale(LC_MESSAGES, "");
202 bindtextdomain(GETTEXT_PACKAGE, LOCALE_DIR);
203 bind_textdomain_codeset(GETTEXT_PACKAGE, charset);
204 textdomain(GETTEXT_PACKAGE);
205 #endif
207 /* initialize options */
208 options = options_init();
210 /* parse command line options - 1 pass get configuration files */
211 options_parse(argc, argv);
213 /* read configuration */
214 read_configuration(options);
216 /* check key bindings */
217 key_error = check_key_bindings(NULL, NULL, 0);
219 /* parse command line options - 2 pass */
220 options_parse(argc, argv);
222 /* setup signal behavior - SIGINT */
223 sigemptyset( &act.sa_mask );
224 act.sa_flags = 0;
225 act.sa_handler = catch_sigint;
226 if( sigaction(SIGINT, &act, NULL)<0 )
227 {
228 perror("signal");
229 exit(EXIT_FAILURE);
230 }
231 /* setup signal behavior - SIGTERM */
232 sigemptyset( &act.sa_mask );
233 act.sa_flags = 0;
234 act.sa_handler = catch_sigint;
235 if( sigaction(SIGTERM, &act, NULL)<0 )
236 {
237 perror("sigaction()");
238 exit(EXIT_FAILURE);
239 }
240 /* setup signal behavior - SIGCONT */
241 sigemptyset( &act.sa_mask );
242 act.sa_flags = 0;
243 act.sa_handler = catch_sigcont;
244 if( sigaction(SIGCONT, &act, NULL)<0 )
245 {
246 perror("sigaction(SIGCONT)");
247 exit(EXIT_FAILURE);
248 }
250 /* setup signal behaviour - SIGHUP*/
251 sigemptyset( &act.sa_mask );
252 act.sa_flags = 0;
253 act.sa_handler = catch_sigint;
254 if( sigaction(SIGHUP, &act, NULL)<0 )
255 {
256 perror("sigaction(SIGHUP)");
257 exit(EXIT_FAILURE);
258 }
260 /* install exit function */
261 atexit(exit_and_cleanup);
263 /* connect to our music player daemon */
264 mpd = mpdclient_new();
265 if( mpdclient_connect(mpd,
266 options->host,
267 options->port,
268 10.0,
269 options->password) )
270 {
271 exit(EXIT_FAILURE);
272 }
274 /* if no password is used, but the mpd wants one, the connection
275 might be established but no status information is avaiable */
276 mpdclient_update(mpd);
277 if(!mpd->status)
278 exit(EXIT_FAILURE);
280 connected = TRUE;
281 D("Connected to MPD version %d.%d.%d\n",
282 mpd->connection->version[0],
283 mpd->connection->version[1],
284 mpd->connection->version[2]);
286 /* quit if mpd is pre 0.11.0 - song id not supported by mpd */
287 if( MPD_VERSION_LT(mpd, 0,11,0) )
288 {
289 fprintf(stderr,
290 _("Error: MPD version %d.%d.%d is to old (0.11.0 needed).\n"),
291 mpd->connection->version[0],
292 mpd->connection->version[1],
293 mpd->connection->version[2]);
294 exit(EXIT_FAILURE);
295 }
297 /* initialize curses */
298 screen_init(mpd);
300 /* install error callback function */
301 mpdclient_install_error_callback(mpd, error_callback);
303 /* initialize timer */
304 timer = g_timer_new();
306 connected = TRUE;
307 while( connected || options->reconnect )
308 {
309 static gdouble t = G_MAXDOUBLE;
311 if( key_error )
312 {
313 char buf[BUFSIZE];
315 key_error=check_key_bindings(NULL, buf, BUFSIZE);
316 screen_status_printf("%s", buf);
317 }
319 if( connected && (t>=MPD_UPDATE_TIME || mpd->need_update) )
320 {
321 mpdclient_update(mpd);
322 g_timer_start(timer);
323 }
325 if( connected )
326 {
327 command_t cmd;
329 screen_update(mpd);
330 if( (cmd=get_keyboard_command()) != CMD_NONE )
331 {
332 screen_cmd(mpd, cmd);
333 if( cmd==CMD_VOLUME_UP || cmd==CMD_VOLUME_DOWN)
334 /* make shure we dont update the volume yet */
335 g_timer_start(timer);
336 }
337 else
338 screen_idle(mpd);
339 }
340 else if( options->reconnect )
341 {
342 screen_status_printf(_("Connecting to %s... [Press %s to abort]"),
343 options->host, get_key_names(CMD_QUIT,0) );
345 if( get_keyboard_command_with_timeout(MPD_RECONNECT_TIME)==CMD_QUIT)
346 exit(EXIT_SUCCESS);
348 if( mpdclient_connect(mpd,
349 options->host,
350 options->port,
351 1.5,
352 options->password) == 0 )
353 {
354 screen_status_printf(_("Connected to %s!"), options->host);
355 connected = TRUE;
356 }
357 doupdate();
358 }
359 if( options->enable_xterm_title )
360 update_xterm_title();
361 t = g_timer_elapsed(timer, NULL);
362 }
363 exit(EXIT_FAILURE);
364 }