3b80bdbccdb9343224bad7a6ab2e027cbe15bb4b
1 /* ncmpc (Ncurses MPD Client)
2 * (c) 2004-2009 The Music Player Daemon Project
3 * Project homepage: http://musicpd.org
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,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 */
20 #include "screen_browser.h"
21 #include "i18n.h"
22 #include "options.h"
23 #include "charset.h"
24 #include "strfsong.h"
25 #include "screen_utils.h"
26 #include "mpdclient.h"
27 #include "filelist.h"
29 #include <mpd/client.h>
31 #include <string.h>
33 #define BUFSIZE 1024
35 #ifndef NCMPC_MINI
36 #define HIGHLIGHT (0x01)
37 #endif
39 static const char playlist_format[] = "*%s*";
41 #ifndef NCMPC_MINI
43 /* clear the highlight flag for all items in the filelist */
44 static void
45 clear_highlights(struct filelist *fl)
46 {
47 guint i;
49 for (i = 0; i < filelist_length(fl); ++i) {
50 struct filelist_entry *entry = filelist_get(fl, i);
52 entry->flags &= ~HIGHLIGHT;
53 }
54 }
56 /* change the highlight flag for a song */
57 static void
58 set_highlight(struct filelist *fl, struct mpd_song *song, int highlight)
59 {
60 int i = filelist_find_song(fl, song);
61 struct filelist_entry *entry;
63 if (i < 0)
64 return;
66 entry = filelist_get(fl, i);
67 if (highlight)
68 entry->flags |= HIGHLIGHT;
69 else
70 entry->flags &= ~HIGHLIGHT;
71 }
73 /* sync highlight flags with playlist */
74 void
75 sync_highlights(struct mpdclient *c, struct filelist *fl)
76 {
77 guint i;
79 for (i = 0; i < filelist_length(fl); ++i) {
80 struct filelist_entry *entry = filelist_get(fl, i);
81 struct mpd_entity *entity = entry->entity;
83 if (entity != NULL && mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_SONG) {
84 const struct mpd_song *song =
85 mpd_entity_get_song(entity);
87 if (playlist_get_index_from_same_song(&c->playlist,
88 song) >= 0)
89 entry->flags |= HIGHLIGHT;
90 else
91 entry->flags &= ~HIGHLIGHT;
92 }
93 }
94 }
96 /* the playlist has been updated -> fix highlights */
97 void
98 browser_playlist_changed(struct screen_browser *browser, struct mpdclient *c,
99 int event, gpointer data)
100 {
101 if (browser->filelist == NULL)
102 return;
104 switch(event) {
105 case PLAYLIST_EVENT_CLEAR:
106 clear_highlights(browser->filelist);
107 break;
108 case PLAYLIST_EVENT_ADD:
109 set_highlight(browser->filelist, (struct mpd_song *) data, 1);
110 break;
111 case PLAYLIST_EVENT_DELETE:
112 set_highlight(browser->filelist, (struct mpd_song *) data, 0);
113 break;
114 case PLAYLIST_EVENT_MOVE:
115 break;
116 default:
117 sync_highlights(c, browser->filelist);
118 break;
119 }
120 }
122 #endif
124 /* list_window callback */
125 const char *
126 browser_lw_callback(unsigned idx, bool *highlight, G_GNUC_UNUSED char **second_column, void *data)
127 {
128 struct filelist *fl = (struct filelist *) data;
129 static char buf[BUFSIZE];
130 struct filelist_entry *entry;
131 struct mpd_entity *entity;
133 if (fl == NULL || idx >= filelist_length(fl))
134 return NULL;
136 entry = filelist_get(fl, idx);
137 assert(entry != NULL);
139 entity = entry->entity;
140 #ifndef NCMPC_MINI
141 *highlight = (entry->flags & HIGHLIGHT) != 0;
142 #else
143 *highlight = false;
144 #endif
146 if( entity == NULL )
147 return "[..]";
149 if (mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_DIRECTORY) {
150 const struct mpd_directory *dir =
151 mpd_entity_get_directory(entity);
152 char *directory = utf8_to_locale(g_basename(mpd_directory_get_path(dir)));
154 g_snprintf(buf, BUFSIZE, "[%s]", directory);
155 g_free(directory);
156 return buf;
157 } else if (mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_SONG) {
158 const struct mpd_song *song = mpd_entity_get_song(entity);
160 strfsong(buf, BUFSIZE, options.list_format, song);
161 return buf;
162 } else if (mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_PLAYLIST) {
163 const struct mpd_playlist *playlist =
164 mpd_entity_get_playlist(entity);
165 char *filename = utf8_to_locale(g_basename(mpd_playlist_get_path(playlist)));
167 g_snprintf(buf, BUFSIZE, playlist_format, filename);
168 g_free(filename);
169 return buf;
170 }
172 return "Error: Unknown entry!";
173 }
175 static bool
176 load_playlist(struct mpdclient *c, const struct mpd_playlist *playlist)
177 {
178 char *filename = utf8_to_locale(mpd_playlist_get_path(playlist));
180 if (mpdclient_cmd_load_playlist(c, mpd_playlist_get_path(playlist)) == 0)
181 screen_status_printf(_("Loading playlist %s..."),
182 g_basename(filename));
183 g_free(filename);
184 return true;
185 }
187 static bool
188 enqueue_and_play(struct mpdclient *c, struct filelist_entry *entry)
189 {
190 int idx;
191 const struct mpd_song *song = mpd_entity_get_song(entry->entity);
193 #ifndef NCMPC_MINI
194 if (!(entry->flags & HIGHLIGHT)) {
195 #endif
196 if (mpdclient_cmd_add(c, song) == 0) {
197 char buf[BUFSIZE];
199 #ifndef NCMPC_MINI
200 entry->flags |= HIGHLIGHT;
201 #endif
202 strfsong(buf, BUFSIZE, options.list_format, song);
203 screen_status_printf(_("Adding \'%s\' to playlist"), buf);
204 mpdclient_update(c); /* get song id */
205 } else
206 return false;
207 #ifndef NCMPC_MINI
208 }
209 #endif
211 idx = playlist_get_index_from_same_song(&c->playlist, song);
212 mpdclient_cmd_play(c, idx);
213 return true;
214 }
216 struct filelist_entry *
217 browser_get_selected_entry(const struct screen_browser *browser)
218 {
219 if (browser->filelist == NULL ||
220 browser->lw->selected_start < browser->lw->selected_end ||
221 browser->lw->selected >= filelist_length(browser->filelist))
222 return NULL;
224 return filelist_get(browser->filelist, browser->lw->selected);
225 }
227 static const struct mpd_entity *
228 browser_get_selected_entity(const struct screen_browser *browser)
229 {
230 const struct filelist_entry *entry = browser_get_selected_entry(browser);
232 return entry != NULL
233 ? entry->entity
234 : NULL;
235 }
237 static const struct mpd_song *
238 browser_get_selected_song(const struct screen_browser *browser)
239 {
240 const struct mpd_entity *entity = browser_get_selected_entity(browser);
242 return entity != NULL &&
243 mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_SONG
244 ? mpd_entity_get_song(entity)
245 : NULL;
246 }
248 static struct filelist_entry *
249 browser_get_index(const struct screen_browser *browser, unsigned i)
250 {
251 if (browser->filelist == NULL ||
252 i >= filelist_length(browser->filelist))
253 return NULL;
255 return filelist_get(browser->filelist, i);
256 }
258 static bool
259 browser_handle_enter(struct screen_browser *browser, struct mpdclient *c)
260 {
261 struct filelist_entry *entry = browser_get_selected_entry(browser);
262 struct mpd_entity *entity;
264 if (entry == NULL)
265 return false;
267 entity = entry->entity;
268 if (entity == NULL)
269 return false;
271 if (mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_PLAYLIST)
272 return load_playlist(c, mpd_entity_get_playlist(entity));
273 else if (mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_SONG)
274 return enqueue_and_play(c, entry);
275 return false;
276 }
278 static bool
279 browser_select_entry(struct mpdclient *c, struct filelist_entry *entry,
280 G_GNUC_UNUSED gboolean toggle)
281 {
282 assert(entry != NULL);
283 assert(entry->entity != NULL);
285 if (mpd_entity_get_type(entry->entity) == MPD_ENTITY_TYPE_PLAYLIST)
286 return load_playlist(c, mpd_entity_get_playlist(entry->entity));
288 if (mpd_entity_get_type(entry->entity) == MPD_ENTITY_TYPE_DIRECTORY) {
289 const struct mpd_directory *dir =
290 mpd_entity_get_directory(entry->entity);
292 if (mpdclient_cmd_add_path(c, mpd_directory_get_path(dir)) == 0) {
293 char *tmp = utf8_to_locale(mpd_directory_get_path(dir));
295 screen_status_printf(_("Adding \'%s\' to playlist"), tmp);
296 g_free(tmp);
297 }
299 return true;
300 }
302 if (mpd_entity_get_type(entry->entity) != MPD_ENTITY_TYPE_SONG)
303 return false;
305 #ifndef NCMPC_MINI
306 if (!toggle || (entry->flags & HIGHLIGHT) == 0)
307 #endif
308 {
309 const struct mpd_song *song =
310 mpd_entity_get_song(entry->entity);
312 #ifndef NCMPC_MINI
313 entry->flags |= HIGHLIGHT;
314 #endif
316 if (mpdclient_cmd_add(c, song) == 0) {
317 char buf[BUFSIZE];
319 strfsong(buf, BUFSIZE, options.list_format, song);
320 screen_status_printf(_("Adding \'%s\' to playlist"), buf);
321 }
322 #ifndef NCMPC_MINI
323 } else {
324 /* remove song from playlist */
325 const struct mpd_song *song =
326 mpd_entity_get_song(entry->entity);
327 int idx;
329 entry->flags &= ~HIGHLIGHT;
331 while ((idx = playlist_get_index_from_same_song(&c->playlist,
332 song)) >= 0)
333 mpdclient_cmd_delete(c, idx);
334 #endif
335 }
337 return true;
338 }
340 static bool
341 browser_handle_select(struct screen_browser *browser, struct mpdclient *c)
342 {
343 struct filelist_entry *entry;
345 if (browser->lw->range_selection) {
346 for (unsigned i = browser->lw->selected_start;
347 i <= browser->lw->selected_end; i++) {
348 entry = browser_get_index(browser, i);
350 if (entry != NULL && entry->entity != NULL)
351 browser_select_entry(c, entry, TRUE);
352 }
353 return false;
354 } else {
355 entry = browser_get_selected_entry(browser);
357 if (entry == NULL || entry->entity == NULL)
358 return false;
360 return browser_select_entry(c, entry, TRUE);
361 }
362 }
364 static bool
365 browser_handle_add(struct screen_browser *browser, struct mpdclient *c)
366 {
367 struct filelist_entry *entry;
369 if (browser->lw->range_selection) {
370 for (unsigned i = browser->lw->selected_start;
371 i <= browser->lw->selected_end; i++) {
372 entry = browser_get_index(browser, i);
374 if (entry != NULL && entry->entity != NULL)
375 browser_select_entry(c, entry, FALSE);
376 }
377 return false;
378 } else {
379 entry = browser_get_selected_entry(browser);
381 if (entry == NULL || entry->entity == NULL)
382 return false;
384 return browser_select_entry(c, entry, FALSE);
385 }
386 }
388 static void
389 browser_handle_select_all(struct screen_browser *browser, struct mpdclient *c)
390 {
391 guint i;
393 if (browser->filelist == NULL)
394 return;
396 for (i = 0; i < filelist_length(browser->filelist); ++i) {
397 struct filelist_entry *entry = filelist_get(browser->filelist, i);
399 if (entry != NULL && entry->entity != NULL)
400 browser_select_entry(c, entry, FALSE);
401 }
402 }
404 #ifdef HAVE_GETMOUSE
405 static int
406 browser_handle_mouse_event(struct screen_browser *browser, struct mpdclient *c)
407 {
408 int row;
409 unsigned prev_selected = browser->lw->selected;
410 unsigned long bstate;
411 int length;
413 if (browser->filelist)
414 length = filelist_length(browser->filelist);
415 else
416 length = 0;
418 if (screen_get_mouse_event(c, &bstate, &row) ||
419 list_window_mouse(browser->lw, length, bstate, row))
420 return 1;
422 browser->lw->selected = browser->lw->start + row;
423 list_window_check_selected(browser->lw, length);
425 if( bstate & BUTTON1_CLICKED ) {
426 if (prev_selected == browser->lw->selected)
427 browser_handle_enter(browser, c);
428 } else if (bstate & BUTTON3_CLICKED) {
429 if (prev_selected == browser->lw->selected)
430 browser_handle_select(browser, c);
431 }
433 return 1;
434 }
435 #endif
437 bool
438 browser_cmd(struct screen_browser *browser,
439 struct mpdclient *c, command_t cmd)
440 {
441 const struct mpd_song *song;
443 if (browser->filelist == NULL)
444 return false;
446 switch (cmd) {
447 case CMD_PLAY:
448 browser_handle_enter(browser, c);
449 return true;
451 case CMD_SELECT:
452 if (browser_handle_select(browser, c))
453 /* continue and select next item... */
454 cmd = CMD_LIST_NEXT;
456 /* call list_window_cmd to go to the next item */
457 break;
459 case CMD_ADD:
460 if (browser_handle_add(browser, c))
461 /* continue and select next item... */
462 cmd = CMD_LIST_NEXT;
464 /* call list_window_cmd to go to the next item */
465 break;
467 case CMD_SELECT_ALL:
468 browser_handle_select_all(browser, c);
469 return true;
471 case CMD_LIST_FIND:
472 case CMD_LIST_RFIND:
473 case CMD_LIST_FIND_NEXT:
474 case CMD_LIST_RFIND_NEXT:
475 screen_find(browser->lw, filelist_length(browser->filelist),
476 cmd, browser_lw_callback,
477 browser->filelist);
478 return true;
479 case CMD_LIST_JUMP:
480 screen_jump(browser->lw, browser_lw_callback, browser->filelist);
481 return true;
483 #ifdef HAVE_GETMOUSE
484 case CMD_MOUSE_EVENT:
485 browser_handle_mouse_event(browser, c);
486 return true;
487 #endif
489 #ifdef ENABLE_SONG_SCREEN
490 case CMD_SCREEN_SONG:
491 song = browser_get_selected_song(browser);
492 if (song == NULL)
493 return false;
495 screen_song_switch(c, song);
496 return true;
497 #endif
499 case CMD_LOCATE:
500 song = browser_get_selected_song(browser);
501 if (song == NULL)
502 return false;
504 screen_file_goto_song(c, song);
505 return true;
507 #ifdef ENABLE_LYRICS_SCREEN
508 case CMD_SCREEN_LYRICS:
509 song = browser_get_selected_song(browser);
510 if (song == NULL)
511 return false;
513 screen_lyrics_switch(c, song, false);
514 return true;
515 #endif
516 case CMD_SCREEN_SWAP:
517 screen_swap(c, browser_get_selected_song(browser));
518 return true;
520 default:
521 break;
522 }
524 if (list_window_cmd(browser->lw, filelist_length(browser->filelist),
525 cmd))
526 return true;
528 return false;
529 }