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_artist.h"
21 #include "screen_interface.h"
22 #include "screen_message.h"
23 #include "screen_find.h"
24 #include "screen.h"
25 #include "i18n.h"
26 #include "charset.h"
27 #include "mpdclient.h"
28 #include "screen_browser.h"
29 #include "filelist.h"
31 #include <assert.h>
32 #include <string.h>
33 #include <glib.h>
35 #define BUFSIZE 1024
37 typedef enum { LIST_ARTISTS, LIST_ALBUMS, LIST_SONGS } artist_mode_t;
39 static artist_mode_t mode = LIST_ARTISTS;
40 static GPtrArray *artist_list, *album_list;
41 static char *artist = NULL;
42 static char *album = NULL;
44 static struct screen_browser browser;
46 static gint
47 compare_utf8(gconstpointer s1, gconstpointer s2)
48 {
49 char *key1, *key2;
50 int n;
52 key1 = g_utf8_collate_key(s1,-1);
53 key2 = g_utf8_collate_key(s2,-1);
54 n = strcmp(key1,key2);
55 g_free(key1);
56 g_free(key2);
57 return n;
58 }
60 /* list_window callback */
61 static const char *
62 screen_artist_lw_callback(unsigned idx, G_GNUC_UNUSED bool *highlight,
63 G_GNUC_UNUSED char** sc, G_GNUC_UNUSED void *data)
64 {
65 GPtrArray *list = data;
66 static char buf[BUFSIZE];
67 char *str, *str_utf8;
69 if (mode == LIST_ALBUMS) {
70 if (idx == 0)
71 return "[..]";
72 else if (idx == list->len + 1) {
73 str = utf8_to_locale(_("All tracks"));
74 g_snprintf(buf, BUFSIZE, "[%s]", str);
75 g_free(str);
76 return buf;
77 }
79 --idx;
80 }
82 if (idx >= list->len)
83 return NULL;
85 str_utf8 = g_ptr_array_index(list, idx);
86 assert(str_utf8 != NULL);
88 str = utf8_to_locale(str_utf8);
89 g_snprintf(buf, BUFSIZE, "[%s]", str);
90 g_free(str);
92 return buf;
93 }
95 static void
96 screen_artist_paint(void);
98 static void
99 artist_repaint(void)
100 {
101 screen_artist_paint();
102 wrefresh(browser.lw->w);
103 }
105 static GPtrArray *
106 g_list_to_ptr_array(GList *in)
107 {
108 GPtrArray *out = g_ptr_array_sized_new(g_list_length(in));
109 GList *head = in;
111 while (in != NULL) {
112 g_ptr_array_add(out, in->data);
113 in = g_list_next(in);
114 }
116 g_list_free(head);
117 return out;
118 }
120 static void
121 string_array_free(GPtrArray *array)
122 {
123 unsigned i;
125 for (i = 0; i < array->len; ++i) {
126 char *value = g_ptr_array_index(array, i);
127 g_free(value);
128 }
130 g_ptr_array_free(array, TRUE);
131 }
133 static void
134 free_lists(G_GNUC_UNUSED struct mpdclient *c)
135 {
136 if (artist_list != NULL) {
137 string_array_free(artist_list);
138 artist_list = NULL;
139 }
141 if (album_list != NULL) {
142 string_array_free(album_list);
143 album_list = NULL;
144 }
146 if (browser.filelist) {
147 filelist_free(browser.filelist);
148 browser.filelist = NULL;
149 }
150 }
152 static void
153 load_artist_list(struct mpdclient *c)
154 {
155 GList *list;
157 assert(mode == LIST_ARTISTS);
158 assert(artist == NULL);
159 assert(album == NULL);
160 assert(artist_list == NULL);
161 assert(album_list == NULL);
162 assert(browser.filelist == NULL);
164 list = mpdclient_get_artists(c);
165 /* sort list */
166 list = g_list_sort(list, compare_utf8);
168 artist_list = g_list_to_ptr_array(list);
169 }
171 static void
172 load_album_list(struct mpdclient *c)
173 {
174 GList *list;
176 assert(mode == LIST_ALBUMS);
177 assert(artist != NULL);
178 assert(album == NULL);
179 assert(album_list == NULL);
180 assert(browser.filelist == NULL);
182 list = mpdclient_get_albums(c, artist);
183 /* sort list */
184 list = g_list_sort(list, compare_utf8);
186 album_list = g_list_to_ptr_array(list);
187 }
189 static void
190 load_song_list(struct mpdclient *c)
191 {
192 struct mpd_connection *connection = mpdclient_get_connection(c);
194 assert(mode == LIST_SONGS);
195 assert(artist != NULL);
196 assert(album != NULL);
197 assert(browser.filelist == NULL);
199 mpd_search_db_songs(connection, true);
200 mpd_search_add_tag_constraint(connection, MPD_OPERATOR_DEFAULT,
201 MPD_TAG_ARTIST, artist);
202 if (album[0] != 0)
203 mpd_search_add_tag_constraint(connection, MPD_OPERATOR_DEFAULT,
204 MPD_TAG_ALBUM, album);
205 mpd_search_commit(connection);
207 browser.filelist = filelist_new();
208 /* add a dummy entry for ".." */
209 filelist_append(browser.filelist, NULL);
211 filelist_recv(browser.filelist, connection);
213 if (!mpd_response_finish(connection))
214 mpdclient_handle_error(c);
216 #ifndef NCMPC_MINI
217 /* fix highlights */
218 screen_browser_sync_highlights(browser.filelist, &c->playlist);
219 #endif
220 }
222 static void
223 free_state(struct mpdclient *c)
224 {
225 g_free(artist);
226 g_free(album);
227 artist = NULL;
228 album = NULL;
230 free_lists(c);
231 }
233 static void
234 open_artist_list(struct mpdclient *c)
235 {
236 free_state(c);
238 mode = LIST_ARTISTS;
239 load_artist_list(c);
240 }
242 static void
243 open_album_list(struct mpdclient *c, char *_artist)
244 {
245 assert(_artist != NULL);
247 free_state(c);
249 mode = LIST_ALBUMS;
250 artist = _artist;
251 load_album_list(c);
252 }
254 static void
255 open_song_list(struct mpdclient *c, char *_artist, char *_album)
256 {
257 assert(_artist != NULL);
258 assert(_album != NULL);
260 free_state(c);
262 mode = LIST_SONGS;
263 artist = _artist;
264 album = _album;
265 load_song_list(c);
266 }
268 static void
269 reload_lists(struct mpdclient *c)
270 {
271 free_lists(c);
273 switch (mode) {
274 case LIST_ARTISTS:
275 load_artist_list(c);
276 break;
278 case LIST_ALBUMS:
279 load_album_list(c);
280 break;
282 case LIST_SONGS:
283 load_song_list(c);
284 break;
285 }
286 }
288 static void
289 screen_artist_init(WINDOW *w, int cols, int rows)
290 {
291 browser.lw = list_window_init(w, cols, rows);
292 artist = NULL;
293 album = NULL;
294 }
296 static void
297 screen_artist_quit(void)
298 {
299 free_state(NULL);
300 list_window_free(browser.lw);
301 }
303 static void
304 screen_artist_open(struct mpdclient *c)
305 {
306 if (artist_list == NULL && album_list == NULL &&
307 browser.filelist == NULL)
308 reload_lists(c);
309 }
311 static void
312 screen_artist_resize(int cols, int rows)
313 {
314 browser.lw->cols = cols;
315 browser.lw->rows = rows;
316 }
318 static void
319 screen_artist_paint(void)
320 {
321 if (browser.filelist) {
322 list_window_paint(browser.lw, browser_lw_callback,
323 browser.filelist);
324 } else if (album_list != NULL)
325 list_window_paint(browser.lw, screen_artist_lw_callback,
326 album_list);
327 else if (artist_list != NULL)
328 list_window_paint(browser.lw, screen_artist_lw_callback,
329 artist_list);
330 else {
331 wmove(browser.lw->w, 0, 0);
332 wclrtobot(browser.lw->w);
333 }
334 }
336 static const char *
337 screen_artist_get_title(char *str, size_t size)
338 {
339 char *s1, *s2;
341 switch(mode) {
342 case LIST_ARTISTS:
343 g_snprintf(str, size, _("All artists"));
344 break;
346 case LIST_ALBUMS:
347 s1 = utf8_to_locale(artist);
348 g_snprintf(str, size, _("Albums of artist: %s"), s1);
349 g_free(s1);
350 break;
352 case LIST_SONGS:
353 s1 = utf8_to_locale(artist);
354 if (*album != 0) {
355 s2 = utf8_to_locale(album);
356 g_snprintf(str, size,
357 _("Album: %s - %s"), s1, s2);
358 g_free(s2);
359 } else
360 g_snprintf(str, size,
361 _("All tracks of artist: %s"), s1);
362 g_free(s1);
363 break;
364 }
366 return str;
367 }
369 static void
370 screen_artist_update(struct mpdclient *c)
371 {
372 if (browser.filelist == NULL)
373 return;
375 if (c->events & MPD_IDLE_DATABASE)
376 /* the db has changed -> update the list */
377 reload_lists(c);
379 #ifndef NCMPC_MINI
380 if (c->events & (MPD_IDLE_DATABASE | MPD_IDLE_PLAYLIST))
381 screen_browser_sync_highlights(browser.filelist, &c->playlist);
382 #endif
384 if (c->events & (MPD_IDLE_DATABASE
385 #ifndef NCMPC_MINI
386 | MPD_IDLE_PLAYLIST
387 #endif
388 ))
389 artist_repaint();
390 }
392 static void
393 add_query(struct mpdclient *c, enum mpd_tag_type table, char *_filter)
394 {
395 struct mpd_connection *connection = mpdclient_get_connection(c);
396 char *str;
397 struct filelist *addlist;
399 assert(filter != NULL);
401 str = utf8_to_locale(_filter);
402 if (table == MPD_TAG_ALBUM)
403 screen_status_printf("Adding album %s...", str);
404 else
405 screen_status_printf("Adding %s...", str);
406 g_free(str);
408 mpd_search_db_songs(connection, true);
409 mpd_search_add_tag_constraint(connection, MPD_OPERATOR_DEFAULT,
410 table, _filter);
411 mpd_search_commit(connection);
413 addlist = filelist_new_recv(connection);
415 if (mpd_response_finish(connection))
416 mpdclient_filelist_add_all(c, addlist);
417 else
418 mpdclient_handle_error(c);
420 filelist_free(addlist);
421 }
423 static unsigned
424 metalist_length(void)
425 {
426 assert(mode != LIST_ARTISTS || artist_list != NULL);
427 assert(mode != LIST_ALBUMS || album_list != NULL);
429 return mode == LIST_ALBUMS
430 ? album_list->len + 2
431 : artist_list->len;
432 }
434 static int
435 screen_artist_lw_cmd(struct mpdclient *c, command_t cmd)
436 {
437 switch (mode) {
438 case LIST_ARTISTS:
439 case LIST_ALBUMS:
440 return list_window_cmd(browser.lw, metalist_length(), cmd);
442 case LIST_SONGS:
443 return browser_cmd(&browser, c, cmd);
444 }
446 assert(0);
447 return 0;
448 }
450 static int
451 string_array_find(GPtrArray *array, const char *value)
452 {
453 guint i;
455 for (i = 0; i < array->len; ++i)
456 if (strcmp((const char*)g_ptr_array_index(array, i),
457 value) == 0)
458 return i;
460 return -1;
461 }
463 static bool
464 screen_artist_cmd(struct mpdclient *c, command_t cmd)
465 {
466 char *selected;
467 char *old;
468 int idx;
470 switch(cmd) {
471 case CMD_PLAY:
472 switch (mode) {
473 case LIST_ARTISTS:
474 if (browser.lw->selected >= artist_list->len)
475 return true;
477 selected = g_ptr_array_index(artist_list,
478 browser.lw->selected);
479 open_album_list(c, g_strdup(selected));
480 list_window_reset(browser.lw);
482 artist_repaint();
483 return true;
485 case LIST_ALBUMS:
486 if (browser.lw->selected == 0) {
487 /* handle ".." */
488 old = g_strdup(artist);
490 open_artist_list(c);
491 list_window_reset(browser.lw);
492 /* restore previous list window state */
493 idx = string_array_find(artist_list, old);
494 g_free(old);
496 if (idx >= 0) {
497 list_window_set_selected(browser.lw, idx);
498 list_window_center(browser.lw,
499 artist_list->len, idx);
500 }
501 } else if (browser.lw->selected == album_list->len + 1) {
502 /* handle "show all" */
503 open_song_list(c, g_strdup(artist), g_strdup("\0"));
504 list_window_reset(browser.lw);
505 } else {
506 /* select album */
507 selected = g_ptr_array_index(album_list,
508 browser.lw->selected - 1);
509 open_song_list(c, g_strdup(artist), g_strdup(selected));
510 list_window_reset(browser.lw);
511 }
513 artist_repaint();
514 return true;
516 case LIST_SONGS:
517 if (browser.lw->selected == 0) {
518 /* handle ".." */
519 old = g_strdup(album);
521 open_album_list(c, g_strdup(artist));
522 list_window_reset(browser.lw);
523 /* restore previous list window state */
524 idx = *old == 0
525 ? (int)album_list->len
526 : string_array_find(album_list, old);
527 g_free(old);
529 if (idx >= 0) {
530 ++idx;
531 list_window_set_selected(browser.lw, idx);
532 list_window_center(browser.lw,
533 album_list->len, idx);
534 }
536 artist_repaint();
537 return true;
538 }
539 break;
540 }
541 break;
543 /* FIXME? CMD_GO_* handling duplicates code from CMD_PLAY */
545 case CMD_GO_PARENT_DIRECTORY:
546 switch (mode) {
547 case LIST_ARTISTS:
548 break;
550 case LIST_ALBUMS:
551 old = g_strdup(artist);
553 open_artist_list(c);
554 list_window_reset(browser.lw);
555 /* restore previous list window state */
556 idx = string_array_find(artist_list, old);
557 g_free(old);
559 if (idx >= 0) {
560 list_window_set_selected(browser.lw, idx);
561 list_window_center(browser.lw,
562 artist_list->len, idx);
563 }
564 break;
566 case LIST_SONGS:
567 old = g_strdup(album);
569 open_album_list(c, g_strdup(artist));
570 list_window_reset(browser.lw);
571 /* restore previous list window state */
572 idx = *old == 0
573 ? (int)album_list->len
574 : string_array_find(album_list, old);
575 g_free(old);
577 if (idx >= 0) {
578 ++idx;
579 list_window_set_selected(browser.lw, idx);
580 list_window_center(browser.lw,
581 album_list->len, idx);
582 }
583 break;
584 }
586 artist_repaint();
587 break;
589 case CMD_GO_ROOT_DIRECTORY:
590 switch (mode) {
591 case LIST_ARTISTS:
592 break;
594 case LIST_ALBUMS:
595 case LIST_SONGS:
596 open_artist_list(c);
597 list_window_reset(browser.lw);
598 /* restore first list window state (pop while returning true) */
599 /* XXX */
600 break;
601 }
603 artist_repaint();
604 break;
606 case CMD_SELECT:
607 case CMD_ADD:
608 switch(mode) {
609 case LIST_ARTISTS:
610 if (browser.lw->selected >= artist_list->len)
611 return true;
613 for (unsigned i = browser.lw->selected_start;
614 i <= browser.lw->selected_end; ++i) {
615 selected = g_ptr_array_index(artist_list, i);
616 add_query(c, MPD_TAG_ARTIST, selected);
617 cmd = CMD_LIST_NEXT; /* continue and select next item... */
618 }
619 break;
621 case LIST_ALBUMS:
622 for (unsigned i = browser.lw->selected_start;
623 i <= browser.lw->selected_end; ++i) {
624 if(i == album_list->len + 1)
625 add_query(c, MPD_TAG_ARTIST, artist);
626 else if (i > 0)
627 {
628 selected = g_ptr_array_index(album_list,
629 browser.lw->selected - 1);
630 add_query(c, MPD_TAG_ALBUM, selected);
631 cmd = CMD_LIST_NEXT; /* continue and select next item... */
632 }
633 }
634 break;
636 case LIST_SONGS:
637 /* handled by browser_cmd() */
638 break;
639 }
640 break;
642 /* continue and update... */
643 case CMD_SCREEN_UPDATE:
644 reload_lists(c);
645 return false;
647 case CMD_LIST_FIND:
648 case CMD_LIST_RFIND:
649 case CMD_LIST_FIND_NEXT:
650 case CMD_LIST_RFIND_NEXT:
651 switch (mode) {
652 case LIST_ARTISTS:
653 screen_find(browser.lw, artist_list->len,
654 cmd, screen_artist_lw_callback,
655 artist_list);
656 artist_repaint();
657 return true;
659 case LIST_ALBUMS:
660 screen_find(browser.lw, album_list->len + 2,
661 cmd, screen_artist_lw_callback,
662 album_list);
663 artist_repaint();
664 return true;
666 case LIST_SONGS:
667 /* handled by browser_cmd() */
668 break;
669 }
670 case CMD_LIST_JUMP:
671 switch (mode) {
672 case LIST_ARTISTS:
673 screen_jump(browser.lw, screen_artist_lw_callback,
674 artist_list);
675 artist_repaint();
676 return true;
678 case LIST_ALBUMS:
679 screen_jump(browser.lw, screen_artist_lw_callback,
680 album_list);
681 artist_repaint();
682 return true;
684 case LIST_SONGS:
685 /* handled by browser_cmd() */
686 break;
687 }
689 break;
691 default:
692 break;
693 }
695 if (screen_artist_lw_cmd(c, cmd)) {
696 if (screen_is_visible(&screen_artist))
697 artist_repaint();
698 return true;
699 }
701 return false;
702 }
704 const struct screen_functions screen_artist = {
705 .init = screen_artist_init,
706 .exit = screen_artist_quit,
707 .open = screen_artist_open,
708 .resize = screen_artist_resize,
709 .paint = screen_artist_paint,
710 .update = screen_artist_update,
711 .cmd = screen_artist_cmd,
712 .get_title = screen_artist_get_title,
713 };