b11229841b2511b5c5de3f64ce947d738cfa2aa1
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 break;
56 default:
57 break;
58 }
59 /* make shure the playlist is repainted */
60 lw->clear = 1;
61 lw->repaint = 1;
62 list_window_check_selected(lw, c->playlist.length);
63 }
65 static char *
66 list_callback(int index, int *highlight, void *data)
67 {
68 static char songname[MAX_SONG_LENGTH];
69 mpdclient_t *c = (mpdclient_t *) data;
70 mpd_Song *song;
72 *highlight = 0;
73 if( (song=playlist_get_song(c, index)) == NULL )
74 {
75 return NULL;
76 }
78 if( c->song && song->id==c->song->id && !IS_STOPPED(c->status->state) )
79 {
80 *highlight = 1;
81 }
82 strfsong(songname, MAX_SONG_LENGTH, LIST_FORMAT, song);
83 return songname;
84 }
86 static int
87 center_playing_item(screen_t *screen, mpdclient_t *c)
88 {
89 int length = c->playlist.length;
90 int offset = lw->selected-lw->start;
91 int index;
93 if( !lw || !c->song || length<lw->rows || IS_STOPPED(c->status->state) )
94 return 0;
96 /* try to center the song that are playing */
97 index = playlist_get_index(c, c->song);
98 D("Autocenter song id:%d pos:%d index:%d\n", c->song->id,c->song->pos,index);
99 lw->start = index-(lw->rows/2);
100 if( lw->start+lw->rows > length )
101 lw->start = length-lw->rows;
102 if( lw->start<0 )
103 lw->start=0;
105 /* make sure the cursor is in the window */
106 lw->selected = lw->start+offset;
107 list_window_check_selected(lw, length);
109 lw->clear = 1;
110 lw->repaint = 1;
112 return 0;
113 }
115 static int
116 handle_save_playlist(screen_t *screen, mpdclient_t *c, char *name)
117 {
118 gchar *filename;
119 gint error;
120 GCompletion *gcmp;
121 GList *list = NULL;
123 void pre_completion_cb(GCompletion *gcmp, gchar *line)
124 {
125 if( list == NULL )
126 {
127 /* create completion list */
128 list = gcmp_list_from_path(c, "", NULL, GCMP_TYPE_PLAYLIST);
129 g_completion_add_items(gcmp, list);
130 }
131 }
133 void post_completion_cb(GCompletion *gcmp, gchar *line, GList *items)
134 {
135 if( g_list_length(items)>=1 )
136 {
137 screen_display_completion_list(screen, items);
138 lw->clear = 1;
139 lw->repaint = 1;
140 }
141 }
143 if( name==NULL )
144 {
145 /* initialize completion support */
146 gcmp = g_completion_new(NULL);
147 g_completion_set_compare(gcmp, strncmp);
148 wrln_pre_completion_callback = pre_completion_cb;
149 wrln_post_completion_callback = post_completion_cb;
151 /* query the user for a filename */
152 filename = screen_readln(screen->status_window.w,
153 _("Save playlist as: "),
154 NULL,
155 NULL,
156 gcmp);
157 filename=trim(filename);
159 /* destroy completion support */
160 wrln_pre_completion_callback = NULL;
161 wrln_post_completion_callback = NULL;
162 g_completion_free(gcmp);
163 list = string_list_free(list);
164 }
165 else
166 {
167 filename=g_strdup(name);
168 }
169 if( filename==NULL || filename[0]=='\0' )
170 return -1;
171 /* send save command to mpd */
172 D("Saving playlist as \'%s \'...\n", filename);
173 if( (error=mpdclient_cmd_save_playlist(c, filename)) )
174 {
175 gint code = GET_ACK_ERROR_CODE(error);
177 if( code == MPD_ACK_ERROR_EXIST )
178 {
179 char buf[256];
180 int key;
182 snprintf(buf, 256, _("Replace %s [%s/%s] ? "), filename, YES, NO);
183 key = tolower(screen_getch(screen->status_window.w, buf));
184 if( key == YES[0] )
185 {
186 if( mpdclient_cmd_delete_playlist(c, filename) )
187 {
188 g_free(filename);
189 return -1;
190 }
191 error = handle_save_playlist(screen, c, filename);
192 g_free(filename);
193 return error;
194 }
195 screen_status_printf(_("Aborted!"));
196 }
197 g_free(filename);
198 return -1;
199 }
200 /* success */
201 screen_status_printf(_("Saved %s"), filename);
202 g_free(filename);
203 return 0;
204 }
206 static int
207 handle_add_to_playlist(screen_t *screen, mpdclient_t *c)
208 {
209 gchar *path;
210 GCompletion *gcmp;
211 GList *list = NULL;
212 GList *dir_list = NULL;
214 void add_dir(gchar *dir)
215 {
216 g_completion_remove_items(gcmp, list);
217 list = string_list_remove(list, dir);
218 list = gcmp_list_from_path(c, dir, list, GCMP_TYPE_RFILE);
219 g_completion_add_items(gcmp, list);
220 dir_list = g_list_append(dir_list, g_strdup(dir));
221 }
223 void pre_completion_cb(GCompletion *gcmp, gchar *line)
224 {
225 D("pre_completion()...\n");
226 if( list == NULL )
227 {
228 /* create initial list */
229 list = gcmp_list_from_path(c, "", NULL, GCMP_TYPE_RFILE);
230 g_completion_add_items(gcmp, list);
231 }
232 else if( line && line[0] && line[strlen(line)-1]=='/' &&
233 string_list_find(dir_list, line) == NULL )
234 {
235 /* add directory content to list */
236 add_dir(line);
237 }
238 }
240 void post_completion_cb(GCompletion *gcmp, gchar *line, GList *items)
241 {
242 D("post_completion()...\n");
243 if( g_list_length(items)>=1 )
244 {
245 screen_display_completion_list(screen, items);
246 lw->clear = 1;
247 lw->repaint = 1;
248 }
250 if( line && line[0] && line[strlen(line)-1]=='/' &&
251 string_list_find(dir_list, line) == NULL )
252 {
253 /* add directory content to list */
254 add_dir(line);
255 }
256 }
258 /* initialize completion support */
259 gcmp = g_completion_new(NULL);
260 g_completion_set_compare(gcmp, strncmp);
261 wrln_pre_completion_callback = pre_completion_cb;
262 wrln_post_completion_callback = post_completion_cb;
263 /* get path */
264 path = screen_readln(screen->status_window.w,
265 _("Add: "),
266 NULL,
267 NULL,
268 gcmp);
270 /* destroy completion data */
271 wrln_pre_completion_callback = NULL;
272 wrln_post_completion_callback = NULL;
273 g_completion_free(gcmp);
274 string_list_free(list);
275 string_list_free(dir_list);
277 /* add the path to the playlist */
278 if( path && path[0] )
279 mpdclient_cmd_add_path(c, path);
281 return 0;
282 }
284 static void
285 play_init(WINDOW *w, int cols, int rows)
286 {
287 lw = list_window_init(w, cols, rows);
288 }
290 static void
291 play_open(screen_t *screen, mpdclient_t *c)
292 {
293 static gboolean install_cb = TRUE;
295 if( install_cb )
296 {
297 mpdclient_install_playlist_callback(c, playlist_changed_callback);
298 install_cb = FALSE;
299 }
300 }
302 static void
303 play_resize(int cols, int rows)
304 {
305 lw->cols = cols;
306 lw->rows = rows;
307 }
310 static void
311 play_exit(void)
312 {
313 list_window_free(lw);
314 }
316 static char *
317 play_title(char *str, size_t size)
318 {
319 if( strcmp(options.host, "localhost") == 0 )
320 return _("Playlist");
322 snprintf(str, size, _("Playlist on %s"), options.host);
324 return str;
325 }
327 static void
328 play_paint(screen_t *screen, mpdclient_t *c)
329 {
330 lw->clear = 1;
332 list_window_paint(lw, list_callback, (void *) c);
333 wnoutrefresh(lw->w);
334 }
336 static void
337 play_update(screen_t *screen, mpdclient_t *c)
338 {
339 if( options.auto_center )
340 {
341 static int prev_song_id = 0;
343 if( c->song && prev_song_id != c->song->id )
344 {
345 center_playing_item(screen, c);
346 prev_song_id = c->song->id;
347 }
348 }
350 if( c->playlist.updated )
351 {
352 if( lw->selected >= c->playlist.length )
353 lw->selected = c->playlist.length-1;
354 if( lw->start >= c->playlist.length )
355 list_window_reset(lw);
357 play_paint(screen, c);
358 c->playlist.updated = FALSE;
359 }
360 else if( lw->repaint || 1)
361 {
362 list_window_paint(lw, list_callback, (void *) c);
363 wnoutrefresh(lw->w);
364 lw->repaint = 0;
365 }
366 }
368 static int
369 play_cmd(screen_t *screen, mpdclient_t *c, command_t cmd)
370 {
371 switch(cmd)
372 {
373 case CMD_PLAY:
374 mpdclient_cmd_play(c, lw->selected);
375 return 1;
376 case CMD_DELETE:
377 mpdclient_cmd_delete(c, lw->selected);
378 return 1;
379 case CMD_SAVE_PLAYLIST:
380 handle_save_playlist(screen, c, NULL);
381 return 1;
382 case CMD_ADD:
383 handle_add_to_playlist(screen, c);
384 return 1;
385 case CMD_SCREEN_UPDATE:
386 center_playing_item(screen, c);
387 return 1;
388 case CMD_LIST_MOVE_UP:
389 mpdclient_cmd_move(c, lw->selected, lw->selected-1);
390 return 1;
391 case CMD_LIST_MOVE_DOWN:
392 mpdclient_cmd_move(c, lw->selected, lw->selected+1);
393 return 1;
394 case CMD_LIST_FIND:
395 case CMD_LIST_RFIND:
396 case CMD_LIST_FIND_NEXT:
397 case CMD_LIST_RFIND_NEXT:
398 return screen_find(screen, c,
399 lw, c->playlist.length,
400 cmd, list_callback);
401 default:
402 break;
403 }
404 return list_window_cmd(lw, c->playlist.length, cmd) ;
405 }
409 static list_window_t *
410 play_lw(void)
411 {
412 return lw;
413 }
416 screen_functions_t *
417 get_screen_playlist(void)
418 {
419 static screen_functions_t functions;
421 memset(&functions, 0, sizeof(screen_functions_t));
422 functions.init = play_init;
423 functions.exit = play_exit;
424 functions.open = play_open;
425 functions.close = NULL;
426 functions.resize = play_resize;
427 functions.paint = play_paint;
428 functions.update = play_update;
429 functions.cmd = play_cmd;
430 functions.get_lw = play_lw;
431 functions.get_title = play_title;
433 return &functions;
434 }