b5ce64171721baec8d445eb660313eb5ea8a41cb
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"
26 #include "gcc.h"
28 #include <string.h>
30 #undef USE_OLD_ADD
32 #define BUFSIZE 1024
34 #ifndef NCMPC_MINI
35 #define HIGHLIGHT (0x01)
36 #endif
38 static const char playlist_format[] = "*%s*";
40 #ifndef NCMPC_MINI
42 /* clear the highlight flag for all items in the filelist */
43 static void
44 clear_highlights(mpdclient_filelist_t *fl)
45 {
46 guint i;
48 for (i = 0; i < filelist_length(fl); ++i) {
49 struct filelist_entry *entry = filelist_get(fl, i);
51 entry->flags &= ~HIGHLIGHT;
52 }
53 }
55 /* change the highlight flag for a song */
56 static void
57 set_highlight(mpdclient_filelist_t *fl, mpd_Song *song, int highlight)
58 {
59 struct filelist_entry *entry = filelist_find_song(fl, song);
61 if (entry == NULL)
62 return;
64 if (highlight)
65 entry->flags |= HIGHLIGHT;
66 else
67 entry->flags &= ~HIGHLIGHT;
68 }
70 /* sync highlight flags with playlist */
71 void
72 sync_highlights(mpdclient_t *c, mpdclient_filelist_t *fl)
73 {
74 guint i;
76 for (i = 0; i < filelist_length(fl); ++i) {
77 struct filelist_entry *entry = filelist_get(fl, i);
78 mpd_InfoEntity *entity = entry->entity;
80 if ( entity && entity->type==MPD_INFO_ENTITY_TYPE_SONG ) {
81 mpd_Song *song = entity->info.song;
83 if( playlist_get_index_from_file(c, song->file) >= 0 )
84 entry->flags |= HIGHLIGHT;
85 else
86 entry->flags &= ~HIGHLIGHT;
87 }
88 }
89 }
91 /* the playlist have been updated -> fix highlights */
92 void
93 browser_playlist_changed(struct screen_browser *browser, mpdclient_t *c,
94 int event, gpointer data)
95 {
96 if (browser->filelist == NULL)
97 return;
99 switch(event) {
100 case PLAYLIST_EVENT_CLEAR:
101 clear_highlights(browser->filelist);
102 break;
103 case PLAYLIST_EVENT_ADD:
104 set_highlight(browser->filelist, (mpd_Song *) data, 1);
105 break;
106 case PLAYLIST_EVENT_DELETE:
107 set_highlight(browser->filelist, (mpd_Song *) data, 0);
108 break;
109 case PLAYLIST_EVENT_MOVE:
110 break;
111 default:
112 sync_highlights(c, browser->filelist);
113 break;
114 }
115 }
117 #endif
119 /* list_window callback */
120 const char *
121 browser_lw_callback(unsigned idx, int *highlight, void *data)
122 {
123 static char buf[BUFSIZE];
124 mpdclient_filelist_t *fl = (mpdclient_filelist_t *) data;
125 filelist_entry_t *entry;
126 mpd_InfoEntity *entity;
128 if (idx >= filelist_length(fl))
129 return NULL;
131 entry = filelist_get(fl, idx);
132 assert(entry != NULL);
134 entity = entry->entity;
135 #ifndef NCMPC_MINI
136 *highlight = (entry->flags & HIGHLIGHT);
137 #else
138 *highlight = false;
139 #endif
141 if( entity == NULL )
142 return "[..]";
144 if( entity->type==MPD_INFO_ENTITY_TYPE_DIRECTORY ) {
145 mpd_Directory *dir = entity->info.directory;
146 char *directory = utf8_to_locale(g_basename(dir->path));
148 g_snprintf(buf, BUFSIZE, "[%s]", directory);
149 g_free(directory);
150 return buf;
151 } else if( entity->type==MPD_INFO_ENTITY_TYPE_SONG ) {
152 mpd_Song *song = entity->info.song;
154 strfsong(buf, BUFSIZE, options.list_format, song);
155 return buf;
156 } else if( entity->type==MPD_INFO_ENTITY_TYPE_PLAYLISTFILE ) {
157 mpd_PlaylistFile *plf = entity->info.playlistFile;
158 char *filename = utf8_to_locale(g_basename(plf->path));
160 g_snprintf(buf, BUFSIZE, playlist_format, filename);
161 g_free(filename);
162 return buf;
163 }
165 return "Error: Unknown entry!";
166 }
168 /* chdir */
169 bool
170 browser_change_directory(struct screen_browser *browser, mpdclient_t *c,
171 filelist_entry_t *entry, const char *new_path)
172 {
173 mpd_InfoEntity *entity = NULL;
174 gchar *path = NULL;
175 char *old_path;
176 int idx;
178 if( entry!=NULL )
179 entity = entry->entity;
180 else if( new_path==NULL )
181 return false;
183 if( entity==NULL ) {
184 if( entry || 0==strcmp(new_path, "..") ) {
185 /* return to parent */
186 char *parent = g_path_get_dirname(browser->filelist->path);
187 if( strcmp(parent, ".") == 0 )
188 parent[0] = '\0';
189 path = g_strdup(parent);
190 g_free(parent);
191 } else {
192 /* entry==NULL, then new_path ("" is root) */
193 path = g_strdup(new_path);
194 }
195 } else if( entity->type==MPD_INFO_ENTITY_TYPE_DIRECTORY) {
196 /* enter sub */
197 mpd_Directory *dir = entity->info.directory;
198 path = g_strdup(dir->path);
199 } else
200 return false;
202 if (browser->filelist != NULL) {
203 old_path = g_strdup(browser->filelist->path);
204 filelist_free(browser->filelist);
205 } else
206 old_path = NULL;
208 browser->filelist = mpdclient_filelist_get(c, path);
209 #ifndef NCMPC_MINI
210 sync_highlights(c, browser->filelist);
211 #endif
213 idx = old_path != NULL
214 ? filelist_find_directory(browser->filelist, old_path)
215 : -1;
216 g_free(old_path);
218 list_window_reset(browser->lw);
219 if (idx >= 0) {
220 list_window_set_selected(browser->lw, idx);
221 list_window_center(browser->lw,
222 filelist_length(browser->filelist), idx);
223 }
225 g_free(path);
226 return true;
227 }
229 static bool
230 load_playlist(mpdclient_t *c, filelist_entry_t *entry)
231 {
232 mpd_InfoEntity *entity = entry->entity;
233 mpd_PlaylistFile *plf = entity->info.playlistFile;
234 char *filename = utf8_to_locale(plf->path);
236 if (mpdclient_cmd_load_playlist(c, plf->path) == 0)
237 screen_status_printf(_("Loading playlist %s..."),
238 g_basename(filename));
239 g_free(filename);
240 return true;
241 }
243 static bool
244 enqueue_and_play(mpdclient_t *c, filelist_entry_t *entry)
245 {
246 int idx;
247 mpd_InfoEntity *entity = entry->entity;
248 mpd_Song *song = entity->info.song;
250 #ifndef NCMPC_MINI
251 if (!(entry->flags & HIGHLIGHT)) {
252 #endif
253 if (mpdclient_cmd_add(c, song) == 0) {
254 char buf[BUFSIZE];
256 #ifndef NCMPC_MINI
257 entry->flags |= HIGHLIGHT;
258 #endif
259 strfsong(buf, BUFSIZE, options.list_format, song);
260 screen_status_printf(_("Adding \'%s\' to playlist\n"), buf);
261 mpdclient_update(c); /* get song id */
262 } else
263 return false;
264 #ifndef NCMPC_MINI
265 }
266 #endif
268 idx = playlist_get_index_from_file(c, song->file);
269 mpdclient_cmd_play(c, idx);
270 return true;
271 }
273 static struct filelist_entry *
274 browser_get_selected(const struct screen_browser *browser)
275 {
276 if (browser->filelist == NULL ||
277 browser->lw->selected >= filelist_length(browser->filelist))
278 return NULL;
280 return filelist_get(browser->filelist, browser->lw->selected);
281 }
283 static bool
284 browser_handle_enter(struct screen_browser *browser, mpdclient_t *c)
285 {
286 struct filelist_entry *entry = browser_get_selected(browser);
287 mpd_InfoEntity *entity;
289 if( entry==NULL )
290 return false;
292 entity = entry->entity;
293 if (entity == NULL || entity->type == MPD_INFO_ENTITY_TYPE_DIRECTORY)
294 return browser_change_directory(browser, c, entry, NULL);
295 else if (entity->type == MPD_INFO_ENTITY_TYPE_PLAYLISTFILE)
296 return load_playlist(c, entry);
297 else if (entity->type == MPD_INFO_ENTITY_TYPE_SONG)
298 return enqueue_and_play(c, entry);
299 return false;
300 }
303 #ifdef USE_OLD_ADD
305 static int
306 add_directory(mpdclient_t *c, char *dir)
307 {
308 mpd_InfoEntity *entity;
309 GList *subdir_list = NULL;
310 GList *list = NULL;
311 char *dirname;
313 dirname = utf8_to_locale(dir);
314 screen_status_printf(_("Adding directory %s...\n"), dirname);
315 doupdate();
316 g_free(dirname);
317 dirname = NULL;
319 mpd_sendLsInfoCommand(c->connection, dir);
320 mpd_sendCommandListBegin(c->connection);
321 while( (entity=mpd_getNextInfoEntity(c->connection)) ) {
322 if( entity->type==MPD_INFO_ENTITY_TYPE_SONG ) {
323 mpd_Song *song = entity->info.song;
324 mpd_sendAddCommand(c->connection, song->file);
325 mpd_freeInfoEntity(entity);
326 } else if( entity->type==MPD_INFO_ENTITY_TYPE_DIRECTORY ) {
327 subdir_list = g_list_append(subdir_list, (gpointer) entity);
328 } else
329 mpd_freeInfoEntity(entity);
330 }
331 mpd_sendCommandListEnd(c->connection);
332 mpdclient_finish_command(c);
333 c->need_update = TRUE;
335 list = g_list_first(subdir_list);
336 while( list!=NULL ) {
337 mpd_Directory *dir;
339 entity = list->data;
340 dir = entity->info.directory;
341 add_directory(c, dir->path);
342 mpd_freeInfoEntity(entity);
343 list->data=NULL;
344 list=list->next;
345 }
346 g_list_free(subdir_list);
347 return 0;
348 }
349 #endif
351 static bool
352 browser_select_entry(mpdclient_t *c, filelist_entry_t *entry,
353 mpd_unused gboolean toggle)
354 {
355 assert(entry != NULL);
356 assert(entry->entity != NULL);
358 if (entry->entity->type == MPD_INFO_ENTITY_TYPE_PLAYLISTFILE)
359 return load_playlist(c, entry);
361 if (entry->entity->type == MPD_INFO_ENTITY_TYPE_DIRECTORY) {
362 mpd_Directory *dir = entry->entity->info.directory;
363 #ifdef USE_OLD_ADD
364 add_directory(c, tmp);
365 #else
366 if (mpdclient_cmd_add_path(c, dir->path) == 0) {
367 char *tmp = utf8_to_locale(dir->path);
369 screen_status_printf(_("Adding \'%s\' to playlist\n"), tmp);
370 g_free(tmp);
371 }
372 #endif
373 return true;
374 }
376 if (entry->entity->type != MPD_INFO_ENTITY_TYPE_SONG)
377 return false;
379 assert(entry->entity->info.song != NULL);
381 #ifndef NCMPC_MINI
382 if (!toggle || (entry->flags & HIGHLIGHT) == 0)
383 #endif
384 {
385 mpd_Song *song = entry->entity->info.song;
387 #ifndef NCMPC_MINI
388 entry->flags |= HIGHLIGHT;
389 #endif
391 if (mpdclient_cmd_add(c, song) == 0) {
392 char buf[BUFSIZE];
394 strfsong(buf, BUFSIZE, options.list_format, song);
395 screen_status_printf(_("Adding \'%s\' to playlist\n"), buf);
396 }
397 #ifndef NCMPC_MINI
398 } else {
399 /* remove song from playlist */
400 mpd_Song *song = entry->entity->info.song;
401 int idx;
403 entry->flags &= ~HIGHLIGHT;
405 while ((idx = playlist_get_index_from_file(c, song->file)) >=0)
406 mpdclient_cmd_delete(c, idx);
407 #endif
408 }
410 return true;
411 }
413 static bool
414 browser_handle_select(struct screen_browser *browser, mpdclient_t *c)
415 {
416 struct filelist_entry *entry = browser_get_selected(browser);
418 if (entry == NULL || entry->entity == NULL)
419 return false;
421 return browser_select_entry(c, entry, TRUE);
422 }
424 static bool
425 browser_handle_add(struct screen_browser *browser, mpdclient_t *c)
426 {
427 struct filelist_entry *entry = browser_get_selected(browser);
429 if (entry == NULL || entry->entity == NULL)
430 return false;
432 return browser_select_entry(c, entry, FALSE);
433 }
435 static void
436 browser_handle_select_all(struct screen_browser *browser, mpdclient_t *c)
437 {
438 guint i;
440 if (browser->filelist == NULL)
441 return;
443 for (i = 0; i < filelist_length(browser->filelist); ++i) {
444 struct filelist_entry *entry = filelist_get(browser->filelist, i);
446 if (entry != NULL && entry->entity != NULL)
447 browser_select_entry(c, entry, FALSE);
448 }
449 }
451 #ifdef HAVE_GETMOUSE
452 static int
453 browser_handle_mouse_event(struct screen_browser *browser, mpdclient_t *c)
454 {
455 int row;
456 unsigned prev_selected = browser->lw->selected;
457 unsigned long bstate;
458 int length;
460 if (browser->filelist)
461 length = filelist_length(browser->filelist);
462 else
463 length = 0;
465 if (screen_get_mouse_event(c, &bstate, &row) ||
466 list_window_mouse(browser->lw, length, bstate, row))
467 return 1;
469 browser->lw->selected = browser->lw->start + row;
470 list_window_check_selected(browser->lw, length);
472 if( bstate & BUTTON1_CLICKED ) {
473 if (prev_selected == browser->lw->selected)
474 browser_handle_enter(browser, c);
475 } else if (bstate & BUTTON3_CLICKED) {
476 if (prev_selected == browser->lw->selected)
477 browser_handle_select(browser, c);
478 }
480 return 1;
481 }
482 #endif
484 bool
485 browser_cmd(struct screen_browser *browser,
486 struct mpdclient *c, command_t cmd)
487 {
488 #ifdef ENABLE_LYRICS_SCREEN
489 struct filelist_entry *entry;
490 #endif
492 switch (cmd) {
493 case CMD_PLAY:
494 browser_handle_enter(browser, c);
495 return true;
497 case CMD_SELECT:
498 if (browser_handle_select(browser, c))
499 /* continue and select next item... */
500 cmd = CMD_LIST_NEXT;
502 /* call list_window_cmd to go to the next item */
503 break;
505 case CMD_ADD:
506 if (browser_handle_add(browser, c))
507 /* continue and select next item... */
508 cmd = CMD_LIST_NEXT;
510 /* call list_window_cmd to go to the next item */
511 break;
513 case CMD_SELECT_ALL:
514 browser_handle_select_all(browser, c);
515 return true;
517 case CMD_LIST_FIND:
518 case CMD_LIST_RFIND:
519 case CMD_LIST_FIND_NEXT:
520 case CMD_LIST_RFIND_NEXT:
521 screen_find(browser->lw, filelist_length(browser->filelist),
522 cmd, browser_lw_callback,
523 browser->filelist);
524 return true;
526 #ifdef HAVE_GETMOUSE
527 case CMD_MOUSE_EVENT:
528 browser_handle_mouse_event(browser, c);
529 return true;
530 #endif
532 #ifdef ENABLE_LYRICS_SCREEN
533 case CMD_SCREEN_LYRICS:
534 entry = browser_get_selected(browser);
535 if (entry == NULL)
536 return false;
538 if (entry->entity == NULL ||
539 entry->entity->type != MPD_INFO_ENTITY_TYPE_SONG)
540 return true;
542 screen_lyrics_switch(c, entry->entity->info.song);
543 return true;
544 #endif
546 default:
547 break;
548 }
550 if (list_window_cmd(browser->lw, filelist_length(browser->filelist),
551 cmd))
552 return true;
554 return false;
555 }