e9cb465e2811804b1b30ae27bfe1802ed90ec884
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 <ctype.h>
22 #include <stdlib.h>
23 #include <string.h>
24 #include <glib.h>
25 #include <ncurses.h>
26 #include <panel.h>
28 #include "config.h"
29 #include "ncmpc.h"
30 #include "options.h"
31 #include "support.h"
32 #include "mpdclient.h"
33 #include "utils.h"
34 #include "strfsong.h"
35 #include "wreadln.h"
36 #include "command.h"
37 #include "colors.h"
38 #include "screen.h"
39 #include "screen_utils.h"
41 #define MAX_SONG_LENGTH 512
43 static list_window_t *lw = NULL;
45 static void
46 playlist_changed_callback(mpdclient_t *c, int event, gpointer data)
47 {
48 D("screen_play.c> playlist_callback() [%d]\n", event);
49 switch(event)
50 {
51 case PLAYLIST_EVENT_DELETE:
52 break;
53 case PLAYLIST_EVENT_MOVE:
54 lw->selected = *((int *) data);
55 if( lw->selected<lw->start )
56 lw->start--;
57 break;
58 default:
59 break;
60 }
61 /* make shure the playlist is repainted */
62 lw->clear = 1;
63 lw->repaint = 1;
64 list_window_check_selected(lw, c->playlist.length);
65 }
67 static char *
68 list_callback(int index, int *highlight, void *data)
69 {
70 static char songname[MAX_SONG_LENGTH];
71 mpdclient_t *c = (mpdclient_t *) data;
72 mpd_Song *song;
74 *highlight = 0;
75 if( (song=playlist_get_song(c, index)) == NULL )
76 {
77 return NULL;
78 }
80 if( c->song && song->id==c->song->id && !IS_STOPPED(c->status->state) )
81 {
82 *highlight = 1;
83 }
84 strfsong(songname, MAX_SONG_LENGTH, LIST_FORMAT, song);
85 return songname;
86 }
88 static int
89 center_playing_item(screen_t *screen, mpdclient_t *c)
90 {
91 int length = c->playlist.length;
92 int offset = lw->selected-lw->start;
93 int index;
95 if( !lw || !c->song || length<lw->rows || IS_STOPPED(c->status->state) )
96 return 0;
98 /* try to center the song that are playing */
99 index = playlist_get_index(c, c->song);
100 D("Autocenter song id:%d pos:%d index:%d\n", c->song->id,c->song->pos,index);
101 lw->start = index-(lw->rows/2);
102 if( lw->start+lw->rows > length )
103 lw->start = length-lw->rows;
104 if( lw->start<0 )
105 lw->start=0;
107 /* make sure the cursor is in the window */
108 lw->selected = lw->start+offset;
109 list_window_check_selected(lw, length);
111 lw->clear = 1;
112 lw->repaint = 1;
114 return 0;
115 }
117 static int
118 handle_save_playlist(screen_t *screen, mpdclient_t *c, char *name)
119 {
120 gchar *filename;
121 gint error;
122 GCompletion *gcmp;
123 GList *list = NULL;
125 void pre_completion_cb(GCompletion *gcmp, gchar *line)
126 {
127 if( list == NULL )
128 {
129 /* create completion list */
130 list = gcmp_list_from_path(c, "", NULL, GCMP_TYPE_PLAYLIST);
131 g_completion_add_items(gcmp, list);
132 }
133 }
135 void post_completion_cb(GCompletion *gcmp, gchar *line, GList *items)
136 {
137 if( g_list_length(items)>=1 )
138 {
139 screen_display_completion_list(screen, items);
140 lw->clear = 1;
141 lw->repaint = 1;
142 }
143 }
145 if( name==NULL )
146 {
147 /* initialize completion support */
148 gcmp = g_completion_new(NULL);
149 g_completion_set_compare(gcmp, strncmp);
150 wrln_pre_completion_callback = pre_completion_cb;
151 wrln_post_completion_callback = post_completion_cb;
153 /* query the user for a filename */
154 filename = screen_readln(screen->status_window.w,
155 _("Save playlist as: "),
156 NULL,
157 NULL,
158 gcmp);
159 filename=g_strstrip(filename);
161 /* destroy completion support */
162 wrln_pre_completion_callback = NULL;
163 wrln_post_completion_callback = NULL;
164 g_completion_free(gcmp);
165 list = string_list_free(list);
166 }
167 else
168 {
169 filename=g_strdup(name);
170 }
171 if( filename==NULL || filename[0]=='\0' )
172 return -1;
173 /* send save command to mpd */
174 D("Saving playlist as \'%s \'...\n", filename);
175 if( (error=mpdclient_cmd_save_playlist(c, filename)) )
176 {
177 gint code = GET_ACK_ERROR_CODE(error);
179 if( code == MPD_ACK_ERROR_EXIST )
180 {
181 char buf[256];
182 int key;
184 snprintf(buf, 256, _("Replace %s [%s/%s] ? "), filename, YES, NO);
185 key = tolower(screen_getch(screen->status_window.w, buf));
186 if( key == YES[0] )
187 {
188 if( mpdclient_cmd_delete_playlist(c, filename) )
189 {
190 g_free(filename);
191 return -1;
192 }
193 error = handle_save_playlist(screen, c, filename);
194 g_free(filename);
195 return error;
196 }
197 screen_status_printf(_("Aborted!"));
198 }
199 g_free(filename);
200 return -1;
201 }
202 /* success */
203 screen_status_printf(_("Saved %s"), filename);
204 g_free(filename);
205 return 0;
206 }
208 static int
209 handle_add_to_playlist(screen_t *screen, mpdclient_t *c)
210 {
211 gchar *path;
212 GCompletion *gcmp;
213 GList *list = NULL;
214 GList *dir_list = NULL;
216 void add_dir(gchar *dir)
217 {
218 g_completion_remove_items(gcmp, list);
219 list = string_list_remove(list, dir);
220 list = gcmp_list_from_path(c, dir, list, GCMP_TYPE_RFILE);
221 g_completion_add_items(gcmp, list);
222 dir_list = g_list_append(dir_list, g_strdup(dir));
223 }
225 void pre_completion_cb(GCompletion *gcmp, gchar *line)
226 {
227 D("pre_completion()...\n");
228 if( list == NULL )
229 {
230 /* create initial list */
231 list = gcmp_list_from_path(c, "", NULL, GCMP_TYPE_RFILE);
232 g_completion_add_items(gcmp, list);
233 }
234 else if( line && line[0] && line[strlen(line)-1]=='/' &&
235 string_list_find(dir_list, line) == NULL )
236 {
237 /* add directory content to list */
238 add_dir(line);
239 }
240 }
242 void post_completion_cb(GCompletion *gcmp, gchar *line, GList *items)
243 {
244 D("post_completion()...\n");
245 if( g_list_length(items)>=1 )
246 {
247 screen_display_completion_list(screen, items);
248 lw->clear = 1;
249 lw->repaint = 1;
250 }
252 if( line && line[0] && line[strlen(line)-1]=='/' &&
253 string_list_find(dir_list, line) == NULL )
254 {
255 /* add directory content to list */
256 add_dir(line);
257 }
258 }
260 /* initialize completion support */
261 gcmp = g_completion_new(NULL);
262 g_completion_set_compare(gcmp, strncmp);
263 wrln_pre_completion_callback = pre_completion_cb;
264 wrln_post_completion_callback = post_completion_cb;
265 /* get path */
266 path = screen_readln(screen->status_window.w,
267 _("Add: "),
268 NULL,
269 NULL,
270 gcmp);
272 /* destroy completion data */
273 wrln_pre_completion_callback = NULL;
274 wrln_post_completion_callback = NULL;
275 g_completion_free(gcmp);
276 string_list_free(list);
277 string_list_free(dir_list);
279 /* add the path to the playlist */
280 if( path && path[0] )
281 mpdclient_cmd_add_path(c, path);
283 return 0;
284 }
286 static void
287 play_init(WINDOW *w, int cols, int rows)
288 {
289 lw = list_window_init(w, cols, rows);
290 }
292 static void
293 play_open(screen_t *screen, mpdclient_t *c)
294 {
295 static gboolean install_cb = TRUE;
297 if( install_cb )
298 {
299 mpdclient_install_playlist_callback(c, playlist_changed_callback);
300 install_cb = FALSE;
301 }
302 }
304 static void
305 play_resize(int cols, int rows)
306 {
307 lw->cols = cols;
308 lw->rows = rows;
309 }
312 static void
313 play_exit(void)
314 {
315 list_window_free(lw);
316 }
318 static char *
319 play_title(char *str, size_t size)
320 {
321 if( strcmp(options.host, "localhost") == 0 )
322 return _("Playlist");
324 snprintf(str, size, _("Playlist on %s"), options.host);
326 return str;
327 }
329 static void
330 play_paint(screen_t *screen, mpdclient_t *c)
331 {
332 lw->clear = 1;
334 list_window_paint(lw, list_callback, (void *) c);
335 wnoutrefresh(lw->w);
336 }
338 static void
339 play_update(screen_t *screen, mpdclient_t *c)
340 {
341 if( options.auto_center )
342 {
343 static int prev_song_id = 0;
345 if( c->song && prev_song_id != c->song->id )
346 {
347 center_playing_item(screen, c);
348 prev_song_id = c->song->id;
349 }
350 }
352 if( c->playlist.updated )
353 {
354 if( lw->selected >= c->playlist.length )
355 lw->selected = c->playlist.length-1;
356 if( lw->start >= c->playlist.length )
357 list_window_reset(lw);
359 play_paint(screen, c);
360 c->playlist.updated = FALSE;
361 }
362 else if( lw->repaint || 1)
363 {
364 list_window_paint(lw, list_callback, (void *) c);
365 wnoutrefresh(lw->w);
366 lw->repaint = 0;
367 }
368 }
370 #ifdef HAVE_GETMOUSE
371 static int
372 handle_mouse_event(screen_t *screen, mpdclient_t *c)
373 {
374 int row;
375 int selected;
376 unsigned long bstate;
378 if( screen_get_mouse_event(c, lw, c->playlist.length, &bstate, &row) )
379 return 1;
381 if( bstate & BUTTON1_DOUBLE_CLICKED )
382 {
383 /* stop */
384 screen_cmd(c, CMD_STOP);
385 return 1;
386 }
388 selected = lw->start+row;
390 if( bstate & BUTTON1_CLICKED )
391 {
392 /* play */
393 if( lw->start+row < c->playlist.length )
394 mpdclient_cmd_play(c, lw->start+row);
395 }
396 else if( bstate & BUTTON3_CLICKED )
397 {
398 /* delete */
399 if( selected == lw->selected )
400 mpdclient_cmd_delete(c, lw->selected);
401 }
402 lw->selected = selected;
403 list_window_check_selected(lw, c->playlist.length);
405 return 1;
406 }
407 #else
408 #define handle_mouse_event(s,c) (0)
409 #endif
411 static int
412 play_cmd(screen_t *screen, mpdclient_t *c, command_t cmd)
413 {
414 switch(cmd)
415 {
416 case CMD_PLAY:
417 mpdclient_cmd_play(c, lw->selected);
418 return 1;
419 case CMD_DELETE:
420 mpdclient_cmd_delete(c, lw->selected);
421 return 1;
422 case CMD_SAVE_PLAYLIST:
423 handle_save_playlist(screen, c, NULL);
424 return 1;
425 case CMD_ADD:
426 handle_add_to_playlist(screen, c);
427 return 1;
428 case CMD_SCREEN_UPDATE:
429 screen->painted = 0;
430 lw->clear = 1;
431 lw->repaint = 1;
432 center_playing_item(screen, c);
433 return 1;
434 case CMD_LIST_MOVE_UP:
435 mpdclient_cmd_move(c, lw->selected, lw->selected-1);
436 return 1;
437 case CMD_LIST_MOVE_DOWN:
438 mpdclient_cmd_move(c, lw->selected, lw->selected+1);
439 return 1;
440 case CMD_LIST_FIND:
441 case CMD_LIST_RFIND:
442 case CMD_LIST_FIND_NEXT:
443 case CMD_LIST_RFIND_NEXT:
444 return screen_find(screen, c,
445 lw, c->playlist.length,
446 cmd, list_callback);
447 case CMD_MOUSE_EVENT:
448 return handle_mouse_event(screen,c);
449 default:
450 break;
451 }
452 return list_window_cmd(lw, c->playlist.length, cmd) ;
453 }
457 static list_window_t *
458 play_lw(void)
459 {
460 return lw;
461 }
464 screen_functions_t *
465 get_screen_playlist(void)
466 {
467 static screen_functions_t functions;
469 memset(&functions, 0, sizeof(screen_functions_t));
470 functions.init = play_init;
471 functions.exit = play_exit;
472 functions.open = play_open;
473 functions.close = NULL;
474 functions.resize = play_resize;
475 functions.paint = play_paint;
476 functions.update = play_update;
477 functions.cmd = play_cmd;
478 functions.get_lw = play_lw;
479 functions.get_title = play_title;
481 return &functions;
482 }