1 /*
2 * (c) 2004 by Kalle Wallin <kaw@linux.se>
3 * Copyright (C) 2008 Max Kellermann <max@duempel.org>
4 *
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.
9 *
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.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 *
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"
27 #include <string.h>
29 #undef USE_OLD_ADD
31 #define BUFSIZE 1024
33 #ifndef NCMPC_MINI
34 #define HIGHLIGHT (0x01)
35 #endif
37 static const char playlist_format[] = "*%s*";
39 #ifndef NCMPC_MINI
41 /* clear the highlight flag for all items in the filelist */
42 static void
43 clear_highlights(mpdclient_filelist_t *fl)
44 {
45 guint i;
47 for (i = 0; i < filelist_length(fl); ++i) {
48 struct filelist_entry *entry = filelist_get(fl, i);
50 entry->flags &= ~HIGHLIGHT;
51 }
52 }
54 /* change the highlight flag for a song */
55 static void
56 set_highlight(mpdclient_filelist_t *fl, mpd_Song *song, int highlight)
57 {
58 int i = filelist_find_song(fl, song);
59 struct filelist_entry *entry;
61 if (i < 0)
62 return;
64 entry = filelist_get(fl, i);
65 if (highlight)
66 entry->flags |= HIGHLIGHT;
67 else
68 entry->flags &= ~HIGHLIGHT;
69 }
71 /* sync highlight flags with playlist */
72 void
73 sync_highlights(mpdclient_t *c, mpdclient_filelist_t *fl)
74 {
75 guint i;
77 for (i = 0; i < filelist_length(fl); ++i) {
78 struct filelist_entry *entry = filelist_get(fl, i);
79 mpd_InfoEntity *entity = entry->entity;
81 if ( entity && entity->type==MPD_INFO_ENTITY_TYPE_SONG ) {
82 mpd_Song *song = entity->info.song;
84 if( playlist_get_index_from_file(c, song->file) >= 0 )
85 entry->flags |= HIGHLIGHT;
86 else
87 entry->flags &= ~HIGHLIGHT;
88 }
89 }
90 }
92 /* the playlist have been updated -> fix highlights */
93 void
94 browser_playlist_changed(struct screen_browser *browser, mpdclient_t *c,
95 int event, gpointer data)
96 {
97 if (browser->filelist == NULL)
98 return;
100 switch(event) {
101 case PLAYLIST_EVENT_CLEAR:
102 clear_highlights(browser->filelist);
103 break;
104 case PLAYLIST_EVENT_ADD:
105 set_highlight(browser->filelist, (mpd_Song *) data, 1);
106 break;
107 case PLAYLIST_EVENT_DELETE:
108 set_highlight(browser->filelist, (mpd_Song *) data, 0);
109 break;
110 case PLAYLIST_EVENT_MOVE:
111 break;
112 default:
113 sync_highlights(c, browser->filelist);
114 break;
115 }
116 }
118 #endif
120 /* list_window callback */
121 const char *
122 browser_lw_callback(unsigned idx, bool *highlight, void *data)
123 {
124 static char buf[BUFSIZE];
125 mpdclient_filelist_t *fl = (mpdclient_filelist_t *) data;
126 filelist_entry_t *entry;
127 mpd_InfoEntity *entity;
129 if (idx >= filelist_length(fl))
130 return NULL;
132 entry = filelist_get(fl, idx);
133 assert(entry != NULL);
135 entity = entry->entity;
136 #ifndef NCMPC_MINI
137 *highlight = (entry->flags & HIGHLIGHT) != 0;
138 #else
139 *highlight = false;
140 #endif
142 if( entity == NULL )
143 return "[..]";
145 if( entity->type==MPD_INFO_ENTITY_TYPE_DIRECTORY ) {
146 mpd_Directory *dir = entity->info.directory;
147 char *directory = utf8_to_locale(g_basename(dir->path));
149 g_snprintf(buf, BUFSIZE, "[%s]", directory);
150 g_free(directory);
151 return buf;
152 } else if( entity->type==MPD_INFO_ENTITY_TYPE_SONG ) {
153 mpd_Song *song = entity->info.song;
155 strfsong(buf, BUFSIZE, options.list_format, song);
156 return buf;
157 } else if( entity->type==MPD_INFO_ENTITY_TYPE_PLAYLISTFILE ) {
158 mpd_PlaylistFile *plf = entity->info.playlistFile;
159 char *filename = utf8_to_locale(g_basename(plf->path));
161 g_snprintf(buf, BUFSIZE, playlist_format, filename);
162 g_free(filename);
163 return buf;
164 }
166 return "Error: Unknown entry!";
167 }
169 /* chdir */
170 bool
171 browser_change_directory(struct screen_browser *browser, mpdclient_t *c,
172 filelist_entry_t *entry, const char *new_path)
173 {
174 mpd_InfoEntity *entity = NULL;
175 gchar *path = NULL;
176 char *old_path;
177 int idx;
179 if( entry!=NULL )
180 entity = entry->entity;
181 else if( new_path==NULL )
182 return false;
184 if( entity==NULL ) {
185 if( entry || 0==strcmp(new_path, "..") ) {
186 /* return to parent */
187 char *parent = g_path_get_dirname(browser->filelist->path);
188 if( strcmp(parent, ".") == 0 )
189 parent[0] = '\0';
190 path = g_strdup(parent);
191 g_free(parent);
192 } else {
193 /* entry==NULL, then new_path ("" is root) */
194 path = g_strdup(new_path);
195 }
196 } else if( entity->type==MPD_INFO_ENTITY_TYPE_DIRECTORY) {
197 /* enter sub */
198 mpd_Directory *dir = entity->info.directory;
199 path = g_strdup(dir->path);
200 } else
201 return false;
203 if (browser->filelist != NULL) {
204 old_path = g_strdup(browser->filelist->path);
205 filelist_free(browser->filelist);
206 } else
207 old_path = NULL;
209 browser->filelist = mpdclient_filelist_get(c, path);
210 #ifndef NCMPC_MINI
211 sync_highlights(c, browser->filelist);
212 #endif
214 idx = old_path != NULL
215 ? filelist_find_directory(browser->filelist, old_path)
216 : -1;
217 g_free(old_path);
219 list_window_reset(browser->lw);
220 if (idx >= 0) {
221 list_window_set_selected(browser->lw, idx);
222 list_window_center(browser->lw,
223 filelist_length(browser->filelist), idx);
224 }
226 g_free(path);
227 return true;
228 }
230 static bool
231 load_playlist(mpdclient_t *c, filelist_entry_t *entry)
232 {
233 mpd_InfoEntity *entity = entry->entity;
234 mpd_PlaylistFile *plf = entity->info.playlistFile;
235 char *filename = utf8_to_locale(plf->path);
237 if (mpdclient_cmd_load_playlist(c, plf->path) == 0)
238 screen_status_printf(_("Loading playlist %s..."),
239 g_basename(filename));
240 g_free(filename);
241 return true;
242 }
244 static bool
245 enqueue_and_play(mpdclient_t *c, filelist_entry_t *entry)
246 {
247 int idx;
248 mpd_InfoEntity *entity = entry->entity;
249 mpd_Song *song = entity->info.song;
251 #ifndef NCMPC_MINI
252 if (!(entry->flags & HIGHLIGHT)) {
253 #endif
254 if (mpdclient_cmd_add(c, song) == 0) {
255 char buf[BUFSIZE];
257 #ifndef NCMPC_MINI
258 entry->flags |= HIGHLIGHT;
259 #endif
260 strfsong(buf, BUFSIZE, options.list_format, song);
261 screen_status_printf(_("Adding \'%s\' to playlist\n"), buf);
262 mpdclient_update(c); /* get song id */
263 } else
264 return false;
265 #ifndef NCMPC_MINI
266 }
267 #endif
269 idx = playlist_get_index_from_file(c, song->file);
270 mpdclient_cmd_play(c, idx);
271 return true;
272 }
274 static struct filelist_entry *
275 browser_get_selected(const struct screen_browser *browser)
276 {
277 if (browser->filelist == NULL ||
278 browser->lw->selected >= filelist_length(browser->filelist))
279 return NULL;
281 return filelist_get(browser->filelist, browser->lw->selected);
282 }
284 static bool
285 browser_handle_enter(struct screen_browser *browser, mpdclient_t *c)
286 {
287 struct filelist_entry *entry = browser_get_selected(browser);
288 mpd_InfoEntity *entity;
290 if( entry==NULL )
291 return false;
293 entity = entry->entity;
294 if (entity == NULL || entity->type == MPD_INFO_ENTITY_TYPE_DIRECTORY)
295 return browser_change_directory(browser, c, entry, NULL);
296 else if (entity->type == MPD_INFO_ENTITY_TYPE_PLAYLISTFILE)
297 return load_playlist(c, entry);
298 else if (entity->type == MPD_INFO_ENTITY_TYPE_SONG)
299 return enqueue_and_play(c, entry);
300 return false;
301 }
304 #ifdef USE_OLD_ADD
306 static int
307 add_directory(mpdclient_t *c, char *dir)
308 {
309 mpd_InfoEntity *entity;
310 GList *subdir_list = NULL;
311 GList *list = NULL;
312 char *dirname;
314 dirname = utf8_to_locale(dir);
315 screen_status_printf(_("Adding directory %s...\n"), dirname);
316 doupdate();
317 g_free(dirname);
318 dirname = NULL;
320 mpd_sendLsInfoCommand(c->connection, dir);
321 mpd_sendCommandListBegin(c->connection);
322 while( (entity=mpd_getNextInfoEntity(c->connection)) ) {
323 if( entity->type==MPD_INFO_ENTITY_TYPE_SONG ) {
324 mpd_Song *song = entity->info.song;
325 mpd_sendAddCommand(c->connection, song->file);
326 mpd_freeInfoEntity(entity);
327 } else if( entity->type==MPD_INFO_ENTITY_TYPE_DIRECTORY ) {
328 subdir_list = g_list_append(subdir_list, (gpointer) entity);
329 } else
330 mpd_freeInfoEntity(entity);
331 }
332 mpd_sendCommandListEnd(c->connection);
333 mpdclient_finish_command(c);
334 c->need_update = TRUE;
336 list = g_list_first(subdir_list);
337 while( list!=NULL ) {
338 mpd_Directory *dir;
340 entity = list->data;
341 dir = entity->info.directory;
342 add_directory(c, dir->path);
343 mpd_freeInfoEntity(entity);
344 list->data=NULL;
345 list=list->next;
346 }
347 g_list_free(subdir_list);
348 return 0;
349 }
350 #endif
352 static bool
353 browser_select_entry(mpdclient_t *c, filelist_entry_t *entry,
354 G_GNUC_UNUSED gboolean toggle)
355 {
356 assert(entry != NULL);
357 assert(entry->entity != NULL);
359 if (entry->entity->type == MPD_INFO_ENTITY_TYPE_PLAYLISTFILE)
360 return load_playlist(c, entry);
362 if (entry->entity->type == MPD_INFO_ENTITY_TYPE_DIRECTORY) {
363 mpd_Directory *dir = entry->entity->info.directory;
364 #ifdef USE_OLD_ADD
365 add_directory(c, tmp);
366 #else
367 if (mpdclient_cmd_add_path(c, dir->path) == 0) {
368 char *tmp = utf8_to_locale(dir->path);
370 screen_status_printf(_("Adding \'%s\' to playlist\n"), tmp);
371 g_free(tmp);
372 }
373 #endif
374 return true;
375 }
377 if (entry->entity->type != MPD_INFO_ENTITY_TYPE_SONG)
378 return false;
380 assert(entry->entity->info.song != NULL);
382 #ifndef NCMPC_MINI
383 if (!toggle || (entry->flags & HIGHLIGHT) == 0)
384 #endif
385 {
386 mpd_Song *song = entry->entity->info.song;
388 #ifndef NCMPC_MINI
389 entry->flags |= HIGHLIGHT;
390 #endif
392 if (mpdclient_cmd_add(c, song) == 0) {
393 char buf[BUFSIZE];
395 strfsong(buf, BUFSIZE, options.list_format, song);
396 screen_status_printf(_("Adding \'%s\' to playlist\n"), buf);
397 }
398 #ifndef NCMPC_MINI
399 } else {
400 /* remove song from playlist */
401 mpd_Song *song = entry->entity->info.song;
402 int idx;
404 entry->flags &= ~HIGHLIGHT;
406 while ((idx = playlist_get_index_from_file(c, song->file)) >=0)
407 mpdclient_cmd_delete(c, idx);
408 #endif
409 }
411 return true;
412 }
414 static bool
415 browser_handle_select(struct screen_browser *browser, mpdclient_t *c)
416 {
417 struct filelist_entry *entry = browser_get_selected(browser);
419 if (entry == NULL || entry->entity == NULL)
420 return false;
422 return browser_select_entry(c, entry, TRUE);
423 }
425 static bool
426 browser_handle_add(struct screen_browser *browser, mpdclient_t *c)
427 {
428 struct filelist_entry *entry = browser_get_selected(browser);
430 if (entry == NULL || entry->entity == NULL)
431 return false;
433 return browser_select_entry(c, entry, FALSE);
434 }
436 static void
437 browser_handle_select_all(struct screen_browser *browser, mpdclient_t *c)
438 {
439 guint i;
441 if (browser->filelist == NULL)
442 return;
444 for (i = 0; i < filelist_length(browser->filelist); ++i) {
445 struct filelist_entry *entry = filelist_get(browser->filelist, i);
447 if (entry != NULL && entry->entity != NULL)
448 browser_select_entry(c, entry, FALSE);
449 }
450 }
452 #ifdef HAVE_GETMOUSE
453 static int
454 browser_handle_mouse_event(struct screen_browser *browser, mpdclient_t *c)
455 {
456 int row;
457 unsigned prev_selected = browser->lw->selected;
458 unsigned long bstate;
459 int length;
461 if (browser->filelist)
462 length = filelist_length(browser->filelist);
463 else
464 length = 0;
466 if (screen_get_mouse_event(c, &bstate, &row) ||
467 list_window_mouse(browser->lw, length, bstate, row))
468 return 1;
470 browser->lw->selected = browser->lw->start + row;
471 list_window_check_selected(browser->lw, length);
473 if( bstate & BUTTON1_CLICKED ) {
474 if (prev_selected == browser->lw->selected)
475 browser_handle_enter(browser, c);
476 } else if (bstate & BUTTON3_CLICKED) {
477 if (prev_selected == browser->lw->selected)
478 browser_handle_select(browser, c);
479 }
481 return 1;
482 }
483 #endif
485 bool
486 browser_cmd(struct screen_browser *browser,
487 struct mpdclient *c, command_t cmd)
488 {
489 struct filelist_entry *entry;
491 switch (cmd) {
492 case CMD_PLAY:
493 browser_handle_enter(browser, c);
494 return true;
496 case CMD_SELECT:
497 if (browser_handle_select(browser, c))
498 /* continue and select next item... */
499 cmd = CMD_LIST_NEXT;
501 /* call list_window_cmd to go to the next item */
502 break;
504 case CMD_ADD:
505 if (browser_handle_add(browser, c))
506 /* continue and select next item... */
507 cmd = CMD_LIST_NEXT;
509 /* call list_window_cmd to go to the next item */
510 break;
512 case CMD_SELECT_ALL:
513 browser_handle_select_all(browser, c);
514 return true;
516 case CMD_LIST_FIND:
517 case CMD_LIST_RFIND:
518 case CMD_LIST_FIND_NEXT:
519 case CMD_LIST_RFIND_NEXT:
520 screen_find(browser->lw, filelist_length(browser->filelist),
521 cmd, browser_lw_callback,
522 browser->filelist);
523 return true;
525 #ifdef HAVE_GETMOUSE
526 case CMD_MOUSE_EVENT:
527 browser_handle_mouse_event(browser, c);
528 return true;
529 #endif
531 #ifdef ENABLE_SONG_SCREEN
532 case CMD_VIEW:
533 entry = browser_get_selected(browser);
534 if (entry == NULL || entry->entity == NULL ||
535 entry->entity->type != MPD_INFO_ENTITY_TYPE_SONG)
536 return false;
538 screen_song_switch(c, entry->entity->info.song);
539 return true;
540 #endif
542 case CMD_LOCATE:
543 entry = browser_get_selected(browser);
544 if (entry == NULL || entry->entity == NULL ||
545 entry->entity->type != MPD_INFO_ENTITY_TYPE_SONG)
546 return false;
548 screen_file_goto_song(c, entry->entity->info.song);
549 return true;
551 #ifdef ENABLE_LYRICS_SCREEN
552 case CMD_SCREEN_LYRICS:
553 entry = browser_get_selected(browser);
554 if (entry == NULL)
555 return false;
557 if (entry->entity == NULL ||
558 entry->entity->type != MPD_INFO_ENTITY_TYPE_SONG)
559 return true;
561 screen_lyrics_switch(c, entry->entity->info.song);
562 return true;
563 #endif
565 default:
566 break;
567 }
569 if (list_window_cmd(browser->lw, filelist_length(browser->filelist),
570 cmd))
571 return true;
573 return false;
574 }