bce4083af5aab1bde60396e9ca920db953737146
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 }
216 if (!mpd_run_play_id(c->connection, id)) {
217 mpdclient_handle_error(c);
218 return false;
219 }
221 return true;
222 }
224 struct filelist_entry *
225 browser_get_selected_entry(const struct screen_browser *browser)
226 {
227 if (browser->filelist == NULL ||
228 browser->lw->selected_start < browser->lw->selected_end ||
229 browser->lw->selected >= filelist_length(browser->filelist))
230 return NULL;
232 return filelist_get(browser->filelist, browser->lw->selected);
233 }
235 static const struct mpd_entity *
236 browser_get_selected_entity(const struct screen_browser *browser)
237 {
238 const struct filelist_entry *entry = browser_get_selected_entry(browser);
240 return entry != NULL
241 ? entry->entity
242 : NULL;
243 }
245 static const struct mpd_song *
246 browser_get_selected_song(const struct screen_browser *browser)
247 {
248 const struct mpd_entity *entity = browser_get_selected_entity(browser);
250 return entity != NULL &&
251 mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_SONG
252 ? mpd_entity_get_song(entity)
253 : NULL;
254 }
256 static struct filelist_entry *
257 browser_get_index(const struct screen_browser *browser, unsigned i)
258 {
259 if (browser->filelist == NULL ||
260 i >= filelist_length(browser->filelist))
261 return NULL;
263 return filelist_get(browser->filelist, i);
264 }
266 static bool
267 browser_handle_enter(struct screen_browser *browser, struct mpdclient *c)
268 {
269 struct filelist_entry *entry = browser_get_selected_entry(browser);
270 struct mpd_entity *entity;
272 if (entry == NULL)
273 return false;
275 entity = entry->entity;
276 if (entity == NULL)
277 return false;
279 if (mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_PLAYLIST)
280 return load_playlist(c, mpd_entity_get_playlist(entity));
281 else if (mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_SONG)
282 return enqueue_and_play(c, entry);
283 return false;
284 }
286 static bool
287 browser_select_entry(struct mpdclient *c, struct filelist_entry *entry,
288 G_GNUC_UNUSED gboolean toggle)
289 {
290 assert(entry != NULL);
291 assert(entry->entity != NULL);
293 if (mpd_entity_get_type(entry->entity) == MPD_ENTITY_TYPE_PLAYLIST)
294 return load_playlist(c, mpd_entity_get_playlist(entry->entity));
296 if (mpd_entity_get_type(entry->entity) == MPD_ENTITY_TYPE_DIRECTORY) {
297 const struct mpd_directory *dir =
298 mpd_entity_get_directory(entry->entity);
300 if (mpdclient_cmd_add_path(c, mpd_directory_get_path(dir)) == 0) {
301 char *tmp = utf8_to_locale(mpd_directory_get_path(dir));
303 screen_status_printf(_("Adding \'%s\' to playlist"), tmp);
304 g_free(tmp);
305 }
307 return true;
308 }
310 if (mpd_entity_get_type(entry->entity) != MPD_ENTITY_TYPE_SONG)
311 return false;
313 #ifndef NCMPC_MINI
314 if (!toggle || (entry->flags & HIGHLIGHT) == 0)
315 #endif
316 {
317 const struct mpd_song *song =
318 mpd_entity_get_song(entry->entity);
320 #ifndef NCMPC_MINI
321 entry->flags |= HIGHLIGHT;
322 #endif
324 if (mpdclient_cmd_add(c, song) == 0) {
325 char buf[BUFSIZE];
327 strfsong(buf, BUFSIZE, options.list_format, song);
328 screen_status_printf(_("Adding \'%s\' to playlist"), buf);
329 }
330 #ifndef NCMPC_MINI
331 } else {
332 /* remove song from playlist */
333 const struct mpd_song *song =
334 mpd_entity_get_song(entry->entity);
335 int idx;
337 entry->flags &= ~HIGHLIGHT;
339 while ((idx = playlist_get_index_from_same_song(&c->playlist,
340 song)) >= 0)
341 mpdclient_cmd_delete(c, idx);
342 #endif
343 }
345 return true;
346 }
348 static bool
349 browser_handle_select(struct screen_browser *browser, struct mpdclient *c)
350 {
351 struct filelist_entry *entry;
353 if (browser->lw->range_selection) {
354 for (unsigned i = browser->lw->selected_start;
355 i <= browser->lw->selected_end; i++) {
356 entry = browser_get_index(browser, i);
358 if (entry != NULL && entry->entity != NULL)
359 browser_select_entry(c, entry, TRUE);
360 }
361 return false;
362 } else {
363 entry = browser_get_selected_entry(browser);
365 if (entry == NULL || entry->entity == NULL)
366 return false;
368 return browser_select_entry(c, entry, TRUE);
369 }
370 }
372 static bool
373 browser_handle_add(struct screen_browser *browser, struct mpdclient *c)
374 {
375 struct filelist_entry *entry;
377 if (browser->lw->range_selection) {
378 for (unsigned i = browser->lw->selected_start;
379 i <= browser->lw->selected_end; i++) {
380 entry = browser_get_index(browser, i);
382 if (entry != NULL && entry->entity != NULL)
383 browser_select_entry(c, entry, FALSE);
384 }
385 return false;
386 } else {
387 entry = browser_get_selected_entry(browser);
389 if (entry == NULL || entry->entity == NULL)
390 return false;
392 return browser_select_entry(c, entry, FALSE);
393 }
394 }
396 static void
397 browser_handle_select_all(struct screen_browser *browser, struct mpdclient *c)
398 {
399 guint i;
401 if (browser->filelist == NULL)
402 return;
404 for (i = 0; i < filelist_length(browser->filelist); ++i) {
405 struct filelist_entry *entry = filelist_get(browser->filelist, i);
407 if (entry != NULL && entry->entity != NULL)
408 browser_select_entry(c, entry, FALSE);
409 }
410 }
412 #ifdef HAVE_GETMOUSE
413 static int
414 browser_handle_mouse_event(struct screen_browser *browser, struct mpdclient *c)
415 {
416 int row;
417 unsigned prev_selected = browser->lw->selected;
418 unsigned long bstate;
419 int length;
421 if (browser->filelist)
422 length = filelist_length(browser->filelist);
423 else
424 length = 0;
426 if (screen_get_mouse_event(c, &bstate, &row) ||
427 list_window_mouse(browser->lw, length, bstate, row))
428 return 1;
430 browser->lw->selected = browser->lw->start + row;
431 list_window_check_selected(browser->lw, length);
433 if( bstate & BUTTON1_CLICKED ) {
434 if (prev_selected == browser->lw->selected)
435 browser_handle_enter(browser, c);
436 } else if (bstate & BUTTON3_CLICKED) {
437 if (prev_selected == browser->lw->selected)
438 browser_handle_select(browser, c);
439 }
441 return 1;
442 }
443 #endif
445 bool
446 browser_cmd(struct screen_browser *browser,
447 struct mpdclient *c, command_t cmd)
448 {
449 const struct mpd_song *song;
451 if (browser->filelist == NULL)
452 return false;
454 switch (cmd) {
455 case CMD_PLAY:
456 browser_handle_enter(browser, c);
457 return true;
459 case CMD_SELECT:
460 if (browser_handle_select(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_ADD:
468 if (browser_handle_add(browser, c))
469 /* continue and select next item... */
470 cmd = CMD_LIST_NEXT;
472 /* call list_window_cmd to go to the next item */
473 break;
475 case CMD_SELECT_ALL:
476 browser_handle_select_all(browser, c);
477 return true;
479 case CMD_LIST_FIND:
480 case CMD_LIST_RFIND:
481 case CMD_LIST_FIND_NEXT:
482 case CMD_LIST_RFIND_NEXT:
483 screen_find(browser->lw, filelist_length(browser->filelist),
484 cmd, browser_lw_callback,
485 browser->filelist);
486 return true;
487 case CMD_LIST_JUMP:
488 screen_jump(browser->lw, browser_lw_callback, browser->filelist);
489 return true;
491 #ifdef HAVE_GETMOUSE
492 case CMD_MOUSE_EVENT:
493 browser_handle_mouse_event(browser, c);
494 return true;
495 #endif
497 #ifdef ENABLE_SONG_SCREEN
498 case CMD_SCREEN_SONG:
499 song = browser_get_selected_song(browser);
500 if (song == NULL)
501 return false;
503 screen_song_switch(c, song);
504 return true;
505 #endif
507 case CMD_LOCATE:
508 song = browser_get_selected_song(browser);
509 if (song == NULL)
510 return false;
512 screen_file_goto_song(c, song);
513 return true;
515 #ifdef ENABLE_LYRICS_SCREEN
516 case CMD_SCREEN_LYRICS:
517 song = browser_get_selected_song(browser);
518 if (song == NULL)
519 return false;
521 screen_lyrics_switch(c, song, false);
522 return true;
523 #endif
524 case CMD_SCREEN_SWAP:
525 screen_swap(c, browser_get_selected_song(browser));
526 return true;
528 default:
529 break;
530 }
532 if (list_window_cmd(browser->lw, filelist_length(browser->filelist),
533 cmd))
534 return true;
536 return false;
537 }