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 const struct mpd_song *song = mpd_entity_get_song(entry->entity);
191 int id;
193 #ifndef NCMPC_MINI
194 if (!(entry->flags & HIGHLIGHT))
195 id = -1;
196 else
197 #endif
198 id = playlist_get_id_from_same_song(&c->playlist, song);
200 if (id < 0) {
201 char buf[BUFSIZE];
203 id = mpd_run_add_id(c->connection, mpd_song_get_uri(song));
204 if (id < 0) {
205 mpdclient_handle_error(c);
206 return false;
207 }
209 #ifndef NCMPC_MINI
210 entry->flags |= HIGHLIGHT;
211 #endif
212 strfsong(buf, BUFSIZE, options.list_format, song);
213 screen_status_printf(_("Adding \'%s\' to playlist"), buf);
214 #ifndef NCMPC_MINI
215 }
216 #endif
218 if (!mpd_run_play_id(c->connection, id)) {
219 mpdclient_handle_error(c);
220 return false;
221 }
223 return true;
224 }
226 struct filelist_entry *
227 browser_get_selected_entry(const struct screen_browser *browser)
228 {
229 if (browser->filelist == NULL ||
230 browser->lw->selected_start < browser->lw->selected_end ||
231 browser->lw->selected >= filelist_length(browser->filelist))
232 return NULL;
234 return filelist_get(browser->filelist, browser->lw->selected);
235 }
237 static const struct mpd_entity *
238 browser_get_selected_entity(const struct screen_browser *browser)
239 {
240 const struct filelist_entry *entry = browser_get_selected_entry(browser);
242 return entry != NULL
243 ? entry->entity
244 : NULL;
245 }
247 static const struct mpd_song *
248 browser_get_selected_song(const struct screen_browser *browser)
249 {
250 const struct mpd_entity *entity = browser_get_selected_entity(browser);
252 return entity != NULL &&
253 mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_SONG
254 ? mpd_entity_get_song(entity)
255 : NULL;
256 }
258 static struct filelist_entry *
259 browser_get_index(const struct screen_browser *browser, unsigned i)
260 {
261 if (browser->filelist == NULL ||
262 i >= filelist_length(browser->filelist))
263 return NULL;
265 return filelist_get(browser->filelist, i);
266 }
268 static bool
269 browser_handle_enter(struct screen_browser *browser, struct mpdclient *c)
270 {
271 struct filelist_entry *entry = browser_get_selected_entry(browser);
272 struct mpd_entity *entity;
274 if (entry == NULL)
275 return false;
277 entity = entry->entity;
278 if (entity == NULL)
279 return false;
281 if (mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_PLAYLIST)
282 return load_playlist(c, mpd_entity_get_playlist(entity));
283 else if (mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_SONG)
284 return enqueue_and_play(c, entry);
285 return false;
286 }
288 static bool
289 browser_select_entry(struct mpdclient *c, struct filelist_entry *entry,
290 G_GNUC_UNUSED gboolean toggle)
291 {
292 assert(entry != NULL);
293 assert(entry->entity != NULL);
295 if (mpd_entity_get_type(entry->entity) == MPD_ENTITY_TYPE_PLAYLIST)
296 return load_playlist(c, mpd_entity_get_playlist(entry->entity));
298 if (mpd_entity_get_type(entry->entity) == MPD_ENTITY_TYPE_DIRECTORY) {
299 const struct mpd_directory *dir =
300 mpd_entity_get_directory(entry->entity);
302 if (mpdclient_cmd_add_path(c, mpd_directory_get_path(dir)) == 0) {
303 char *tmp = utf8_to_locale(mpd_directory_get_path(dir));
305 screen_status_printf(_("Adding \'%s\' to playlist"), tmp);
306 g_free(tmp);
307 }
309 return true;
310 }
312 if (mpd_entity_get_type(entry->entity) != MPD_ENTITY_TYPE_SONG)
313 return false;
315 #ifndef NCMPC_MINI
316 if (!toggle || (entry->flags & HIGHLIGHT) == 0)
317 #endif
318 {
319 const struct mpd_song *song =
320 mpd_entity_get_song(entry->entity);
322 #ifndef NCMPC_MINI
323 entry->flags |= HIGHLIGHT;
324 #endif
326 if (mpdclient_cmd_add(c, song) == 0) {
327 char buf[BUFSIZE];
329 strfsong(buf, BUFSIZE, options.list_format, song);
330 screen_status_printf(_("Adding \'%s\' to playlist"), buf);
331 }
332 #ifndef NCMPC_MINI
333 } else {
334 /* remove song from playlist */
335 const struct mpd_song *song =
336 mpd_entity_get_song(entry->entity);
337 int idx;
339 entry->flags &= ~HIGHLIGHT;
341 while ((idx = playlist_get_index_from_same_song(&c->playlist,
342 song)) >= 0)
343 mpdclient_cmd_delete(c, idx);
344 #endif
345 }
347 return true;
348 }
350 static bool
351 browser_handle_select(struct screen_browser *browser, struct mpdclient *c)
352 {
353 struct filelist_entry *entry;
355 if (browser->lw->range_selection) {
356 for (unsigned i = browser->lw->selected_start;
357 i <= browser->lw->selected_end; i++) {
358 entry = browser_get_index(browser, i);
360 if (entry != NULL && entry->entity != NULL)
361 browser_select_entry(c, entry, TRUE);
362 }
363 return false;
364 } else {
365 entry = browser_get_selected_entry(browser);
367 if (entry == NULL || entry->entity == NULL)
368 return false;
370 return browser_select_entry(c, entry, TRUE);
371 }
372 }
374 static bool
375 browser_handle_add(struct screen_browser *browser, struct mpdclient *c)
376 {
377 struct filelist_entry *entry;
379 if (browser->lw->range_selection) {
380 for (unsigned i = browser->lw->selected_start;
381 i <= browser->lw->selected_end; i++) {
382 entry = browser_get_index(browser, i);
384 if (entry != NULL && entry->entity != NULL)
385 browser_select_entry(c, entry, FALSE);
386 }
387 return false;
388 } else {
389 entry = browser_get_selected_entry(browser);
391 if (entry == NULL || entry->entity == NULL)
392 return false;
394 return browser_select_entry(c, entry, FALSE);
395 }
396 }
398 static void
399 browser_handle_select_all(struct screen_browser *browser, struct mpdclient *c)
400 {
401 guint i;
403 if (browser->filelist == NULL)
404 return;
406 for (i = 0; i < filelist_length(browser->filelist); ++i) {
407 struct filelist_entry *entry = filelist_get(browser->filelist, i);
409 if (entry != NULL && entry->entity != NULL)
410 browser_select_entry(c, entry, FALSE);
411 }
412 }
414 #ifdef HAVE_GETMOUSE
415 static int
416 browser_handle_mouse_event(struct screen_browser *browser, struct mpdclient *c)
417 {
418 int row;
419 unsigned prev_selected = browser->lw->selected;
420 unsigned long bstate;
421 int length;
423 if (browser->filelist)
424 length = filelist_length(browser->filelist);
425 else
426 length = 0;
428 if (screen_get_mouse_event(c, &bstate, &row) ||
429 list_window_mouse(browser->lw, length, bstate, row))
430 return 1;
432 browser->lw->selected = browser->lw->start + row;
433 list_window_check_selected(browser->lw, length);
435 if( bstate & BUTTON1_CLICKED ) {
436 if (prev_selected == browser->lw->selected)
437 browser_handle_enter(browser, c);
438 } else if (bstate & BUTTON3_CLICKED) {
439 if (prev_selected == browser->lw->selected)
440 browser_handle_select(browser, c);
441 }
443 return 1;
444 }
445 #endif
447 bool
448 browser_cmd(struct screen_browser *browser,
449 struct mpdclient *c, command_t cmd)
450 {
451 const struct mpd_song *song;
453 if (browser->filelist == NULL)
454 return false;
456 switch (cmd) {
457 case CMD_PLAY:
458 browser_handle_enter(browser, c);
459 return true;
461 case CMD_SELECT:
462 if (browser_handle_select(browser, c))
463 /* continue and select next item... */
464 cmd = CMD_LIST_NEXT;
466 /* call list_window_cmd to go to the next item */
467 break;
469 case CMD_ADD:
470 if (browser_handle_add(browser, c))
471 /* continue and select next item... */
472 cmd = CMD_LIST_NEXT;
474 /* call list_window_cmd to go to the next item */
475 break;
477 case CMD_SELECT_ALL:
478 browser_handle_select_all(browser, c);
479 return true;
481 case CMD_LIST_FIND:
482 case CMD_LIST_RFIND:
483 case CMD_LIST_FIND_NEXT:
484 case CMD_LIST_RFIND_NEXT:
485 screen_find(browser->lw, filelist_length(browser->filelist),
486 cmd, browser_lw_callback,
487 browser->filelist);
488 return true;
489 case CMD_LIST_JUMP:
490 screen_jump(browser->lw, browser_lw_callback, browser->filelist);
491 return true;
493 #ifdef HAVE_GETMOUSE
494 case CMD_MOUSE_EVENT:
495 browser_handle_mouse_event(browser, c);
496 return true;
497 #endif
499 #ifdef ENABLE_SONG_SCREEN
500 case CMD_SCREEN_SONG:
501 song = browser_get_selected_song(browser);
502 if (song == NULL)
503 return false;
505 screen_song_switch(c, song);
506 return true;
507 #endif
509 case CMD_LOCATE:
510 song = browser_get_selected_song(browser);
511 if (song == NULL)
512 return false;
514 screen_file_goto_song(c, song);
515 return true;
517 #ifdef ENABLE_LYRICS_SCREEN
518 case CMD_SCREEN_LYRICS:
519 song = browser_get_selected_song(browser);
520 if (song == NULL)
521 return false;
523 screen_lyrics_switch(c, song, false);
524 return true;
525 #endif
526 case CMD_SCREEN_SWAP:
527 screen_swap(c, browser_get_selected_song(browser));
528 return true;
530 default:
531 break;
532 }
534 if (list_window_cmd(browser->lw, filelist_length(browser->filelist),
535 cmd))
536 return true;
538 return false;
539 }