59769268170aa7907f544fffb02726349643fae8
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 "screen_file.h"
22 #include "screen_song.h"
23 #include "screen_lyrics.h"
24 #include "screen_message.h"
25 #include "screen.h"
26 #include "i18n.h"
27 #include "options.h"
28 #include "charset.h"
29 #include "strfsong.h"
30 #include "screen_utils.h"
31 #include "mpdclient.h"
32 #include "filelist.h"
34 #include <mpd/client.h>
36 #include <string.h>
38 #define BUFSIZE 1024
40 #ifndef NCMPC_MINI
41 #define HIGHLIGHT (0x01)
42 #endif
44 static const char playlist_format[] = "*%s*";
46 #ifndef NCMPC_MINI
48 /* sync highlight flags with playlist */
49 void
50 screen_browser_sync_highlights(struct filelist *fl,
51 const struct mpdclient_playlist *playlist)
52 {
53 guint i;
55 for (i = 0; i < filelist_length(fl); ++i) {
56 struct filelist_entry *entry = filelist_get(fl, i);
57 const struct mpd_entity *entity = entry->entity;
59 if (entity != NULL && mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_SONG) {
60 const struct mpd_song *song =
61 mpd_entity_get_song(entity);
63 if (playlist_get_index_from_same_song(playlist,
64 song) >= 0)
65 entry->flags |= HIGHLIGHT;
66 else
67 entry->flags &= ~HIGHLIGHT;
68 }
69 }
70 }
72 #endif
74 /* list_window callback */
75 const char *
76 browser_lw_callback(unsigned idx, bool *highlight, G_GNUC_UNUSED char **second_column, void *data)
77 {
78 const struct filelist *fl = (const struct filelist *) data;
79 static char buf[BUFSIZE];
80 const struct filelist_entry *entry;
81 const struct mpd_entity *entity;
83 if (fl == NULL || idx >= filelist_length(fl))
84 return NULL;
86 entry = filelist_get(fl, idx);
87 assert(entry != NULL);
89 entity = entry->entity;
90 #ifndef NCMPC_MINI
91 *highlight = (entry->flags & HIGHLIGHT) != 0;
92 #else
93 *highlight = false;
94 #endif
96 if( entity == NULL )
97 return "[..]";
99 if (mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_DIRECTORY) {
100 const struct mpd_directory *dir =
101 mpd_entity_get_directory(entity);
102 char *directory = utf8_to_locale(g_basename(mpd_directory_get_path(dir)));
104 g_snprintf(buf, BUFSIZE, "[%s]", directory);
105 g_free(directory);
106 return buf;
107 } else if (mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_SONG) {
108 const struct mpd_song *song = mpd_entity_get_song(entity);
110 strfsong(buf, BUFSIZE, options.list_format, song);
111 return buf;
112 } else if (mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_PLAYLIST) {
113 const struct mpd_playlist *playlist =
114 mpd_entity_get_playlist(entity);
115 char *filename = utf8_to_locale(g_basename(mpd_playlist_get_path(playlist)));
117 g_snprintf(buf, BUFSIZE, playlist_format, filename);
118 g_free(filename);
119 return buf;
120 }
122 return "Error: Unknown entry!";
123 }
125 static bool
126 load_playlist(struct mpdclient *c, const struct mpd_playlist *playlist)
127 {
128 char *filename = utf8_to_locale(mpd_playlist_get_path(playlist));
130 if (mpd_run_load(c->connection, mpd_playlist_get_path(playlist))) {
131 screen_status_printf(_("Loading playlist %s..."),
132 g_basename(filename));
133 c->events |= MPD_IDLE_QUEUE;
134 } else
135 mpdclient_handle_error(c);
137 g_free(filename);
138 return true;
139 }
141 static bool
142 enqueue_and_play(struct mpdclient *c, struct filelist_entry *entry)
143 {
144 const struct mpd_song *song = mpd_entity_get_song(entry->entity);
145 int id;
147 #ifndef NCMPC_MINI
148 if (!(entry->flags & HIGHLIGHT))
149 id = -1;
150 else
151 #endif
152 id = playlist_get_id_from_same_song(&c->playlist, song);
154 if (id < 0) {
155 char buf[BUFSIZE];
157 id = mpd_run_add_id(c->connection, mpd_song_get_uri(song));
158 if (id < 0) {
159 mpdclient_handle_error(c);
160 return false;
161 }
163 #ifndef NCMPC_MINI
164 entry->flags |= HIGHLIGHT;
165 #endif
166 strfsong(buf, BUFSIZE, options.list_format, song);
167 screen_status_printf(_("Adding \'%s\' to playlist"), buf);
168 }
170 if (!mpd_run_play_id(c->connection, id)) {
171 mpdclient_handle_error(c);
172 return false;
173 }
175 return true;
176 }
178 struct filelist_entry *
179 browser_get_selected_entry(const struct screen_browser *browser)
180 {
181 if (browser->filelist == NULL ||
182 browser->lw->selected_start < browser->lw->selected_end ||
183 browser->lw->selected >= filelist_length(browser->filelist))
184 return NULL;
186 return filelist_get(browser->filelist, browser->lw->selected);
187 }
189 static const struct mpd_entity *
190 browser_get_selected_entity(const struct screen_browser *browser)
191 {
192 const struct filelist_entry *entry = browser_get_selected_entry(browser);
194 return entry != NULL
195 ? entry->entity
196 : NULL;
197 }
199 static const struct mpd_song *
200 browser_get_selected_song(const struct screen_browser *browser)
201 {
202 const struct mpd_entity *entity = browser_get_selected_entity(browser);
204 return entity != NULL &&
205 mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_SONG
206 ? mpd_entity_get_song(entity)
207 : NULL;
208 }
210 static struct filelist_entry *
211 browser_get_index(const struct screen_browser *browser, unsigned i)
212 {
213 if (browser->filelist == NULL ||
214 i >= filelist_length(browser->filelist))
215 return NULL;
217 return filelist_get(browser->filelist, i);
218 }
220 static bool
221 browser_handle_enter(struct screen_browser *browser, struct mpdclient *c)
222 {
223 struct filelist_entry *entry = browser_get_selected_entry(browser);
224 struct mpd_entity *entity;
226 if (entry == NULL)
227 return false;
229 entity = entry->entity;
230 if (entity == NULL)
231 return false;
233 if (mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_PLAYLIST)
234 return load_playlist(c, mpd_entity_get_playlist(entity));
235 else if (mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_SONG)
236 return enqueue_and_play(c, entry);
237 return false;
238 }
240 static bool
241 browser_select_entry(struct mpdclient *c, struct filelist_entry *entry,
242 G_GNUC_UNUSED gboolean toggle)
243 {
244 assert(entry != NULL);
245 assert(entry->entity != NULL);
247 if (mpd_entity_get_type(entry->entity) == MPD_ENTITY_TYPE_PLAYLIST)
248 return load_playlist(c, mpd_entity_get_playlist(entry->entity));
250 if (mpd_entity_get_type(entry->entity) == MPD_ENTITY_TYPE_DIRECTORY) {
251 const struct mpd_directory *dir =
252 mpd_entity_get_directory(entry->entity);
254 if (mpdclient_cmd_add_path(c, mpd_directory_get_path(dir)) == 0) {
255 char *tmp = utf8_to_locale(mpd_directory_get_path(dir));
257 screen_status_printf(_("Adding \'%s\' to playlist"), tmp);
258 g_free(tmp);
259 }
261 return true;
262 }
264 if (mpd_entity_get_type(entry->entity) != MPD_ENTITY_TYPE_SONG)
265 return false;
267 #ifndef NCMPC_MINI
268 if (!toggle || (entry->flags & HIGHLIGHT) == 0)
269 #endif
270 {
271 const struct mpd_song *song =
272 mpd_entity_get_song(entry->entity);
274 #ifndef NCMPC_MINI
275 entry->flags |= HIGHLIGHT;
276 #endif
278 if (mpdclient_cmd_add(c, song) == 0) {
279 char buf[BUFSIZE];
281 strfsong(buf, BUFSIZE, options.list_format, song);
282 screen_status_printf(_("Adding \'%s\' to playlist"), buf);
283 }
284 #ifndef NCMPC_MINI
285 } else {
286 /* remove song from playlist */
287 const struct mpd_song *song =
288 mpd_entity_get_song(entry->entity);
289 int idx;
291 entry->flags &= ~HIGHLIGHT;
293 while ((idx = playlist_get_index_from_same_song(&c->playlist,
294 song)) >= 0)
295 mpdclient_cmd_delete(c, idx);
296 #endif
297 }
299 return true;
300 }
302 static bool
303 browser_handle_select(struct screen_browser *browser, struct mpdclient *c)
304 {
305 struct filelist_entry *entry;
307 if (browser->lw->range_selection) {
308 for (unsigned i = browser->lw->selected_start;
309 i <= browser->lw->selected_end; i++) {
310 entry = browser_get_index(browser, i);
312 if (entry != NULL && entry->entity != NULL)
313 browser_select_entry(c, entry, TRUE);
314 }
315 return false;
316 } else {
317 entry = browser_get_selected_entry(browser);
319 if (entry == NULL || entry->entity == NULL)
320 return false;
322 return browser_select_entry(c, entry, TRUE);
323 }
324 }
326 static bool
327 browser_handle_add(struct screen_browser *browser, struct mpdclient *c)
328 {
329 struct filelist_entry *entry;
331 if (browser->lw->range_selection) {
332 for (unsigned i = browser->lw->selected_start;
333 i <= browser->lw->selected_end; i++) {
334 entry = browser_get_index(browser, i);
336 if (entry != NULL && entry->entity != NULL)
337 browser_select_entry(c, entry, FALSE);
338 }
339 return false;
340 } else {
341 entry = browser_get_selected_entry(browser);
343 if (entry == NULL || entry->entity == NULL)
344 return false;
346 return browser_select_entry(c, entry, FALSE);
347 }
348 }
350 static void
351 browser_handle_select_all(struct screen_browser *browser, struct mpdclient *c)
352 {
353 guint i;
355 if (browser->filelist == NULL)
356 return;
358 for (i = 0; i < filelist_length(browser->filelist); ++i) {
359 struct filelist_entry *entry = filelist_get(browser->filelist, i);
361 if (entry != NULL && entry->entity != NULL)
362 browser_select_entry(c, entry, FALSE);
363 }
364 }
366 #ifdef HAVE_GETMOUSE
367 static int
368 browser_handle_mouse_event(struct screen_browser *browser, struct mpdclient *c)
369 {
370 int row;
371 unsigned prev_selected = browser->lw->selected;
372 unsigned long bstate;
373 int length;
375 if (browser->filelist)
376 length = filelist_length(browser->filelist);
377 else
378 length = 0;
380 if (screen_get_mouse_event(c, &bstate, &row) ||
381 list_window_mouse(browser->lw, length, bstate, row))
382 return 1;
384 browser->lw->selected = browser->lw->start + row;
385 list_window_check_selected(browser->lw, length);
387 if( bstate & BUTTON1_CLICKED ) {
388 if (prev_selected == browser->lw->selected)
389 browser_handle_enter(browser, c);
390 } else if (bstate & BUTTON3_CLICKED) {
391 if (prev_selected == browser->lw->selected)
392 browser_handle_select(browser, c);
393 }
395 return 1;
396 }
397 #endif
399 bool
400 browser_cmd(struct screen_browser *browser,
401 struct mpdclient *c, command_t cmd)
402 {
403 const struct mpd_song *song;
405 if (browser->filelist == NULL)
406 return false;
408 switch (cmd) {
409 case CMD_PLAY:
410 browser_handle_enter(browser, c);
411 return true;
413 case CMD_SELECT:
414 if (browser_handle_select(browser, c))
415 /* continue and select next item... */
416 cmd = CMD_LIST_NEXT;
418 /* call list_window_cmd to go to the next item */
419 break;
421 case CMD_ADD:
422 if (browser_handle_add(browser, c))
423 /* continue and select next item... */
424 cmd = CMD_LIST_NEXT;
426 /* call list_window_cmd to go to the next item */
427 break;
429 case CMD_SELECT_ALL:
430 browser_handle_select_all(browser, c);
431 return true;
433 case CMD_LIST_FIND:
434 case CMD_LIST_RFIND:
435 case CMD_LIST_FIND_NEXT:
436 case CMD_LIST_RFIND_NEXT:
437 screen_find(browser->lw, filelist_length(browser->filelist),
438 cmd, browser_lw_callback,
439 browser->filelist);
440 return true;
441 case CMD_LIST_JUMP:
442 screen_jump(browser->lw, browser_lw_callback, browser->filelist);
443 return true;
445 #ifdef HAVE_GETMOUSE
446 case CMD_MOUSE_EVENT:
447 browser_handle_mouse_event(browser, c);
448 return true;
449 #endif
451 #ifdef ENABLE_SONG_SCREEN
452 case CMD_SCREEN_SONG:
453 song = browser_get_selected_song(browser);
454 if (song == NULL)
455 return false;
457 screen_song_switch(c, song);
458 return true;
459 #endif
461 case CMD_LOCATE:
462 song = browser_get_selected_song(browser);
463 if (song == NULL)
464 return false;
466 screen_file_goto_song(c, song);
467 return true;
469 #ifdef ENABLE_LYRICS_SCREEN
470 case CMD_SCREEN_LYRICS:
471 song = browser_get_selected_song(browser);
472 if (song == NULL)
473 return false;
475 screen_lyrics_switch(c, song, false);
476 return true;
477 #endif
478 case CMD_SCREEN_SWAP:
479 screen_swap(c, browser_get_selected_song(browser));
480 return true;
482 default:
483 break;
484 }
486 if (list_window_cmd(browser->lw, filelist_length(browser->filelist),
487 cmd))
488 return true;
490 return false;
491 }