9bd1b3e0df6a7b85c1359adb05dd31c7002e8430
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 const char *const*t1 = s1, *const*t2 = s2;
50 char *key1, *key2;
51 int n;
53 key1 = g_utf8_collate_key(*t1,-1);
54 key2 = g_utf8_collate_key(*t2,-1);
55 n = strcmp(key1,key2);
56 g_free(key1);
57 g_free(key2);
58 return n;
59 }
61 /* list_window callback */
62 static const char *
63 screen_artist_lw_callback(unsigned idx, 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 assert(idx < list->len);
84 str_utf8 = g_ptr_array_index(list, idx);
85 assert(str_utf8 != NULL);
87 str = utf8_to_locale(str_utf8);
88 g_snprintf(buf, BUFSIZE, "[%s]", str);
89 g_free(str);
91 return buf;
92 }
94 static void
95 screen_artist_paint(void);
97 static void
98 artist_repaint(void)
99 {
100 screen_artist_paint();
101 wrefresh(browser.lw->w);
102 }
104 static void
105 string_array_free(GPtrArray *array)
106 {
107 unsigned i;
109 for (i = 0; i < array->len; ++i) {
110 char *value = g_ptr_array_index(array, i);
111 g_free(value);
112 }
114 g_ptr_array_free(array, TRUE);
115 }
117 static void
118 free_lists(void)
119 {
120 if (artist_list != NULL) {
121 string_array_free(artist_list);
122 artist_list = NULL;
123 }
125 if (album_list != NULL) {
126 string_array_free(album_list);
127 album_list = NULL;
128 }
130 if (browser.filelist) {
131 filelist_free(browser.filelist);
132 browser.filelist = NULL;
133 }
134 }
136 static void
137 recv_tag_values(struct mpd_connection *connection, enum mpd_tag_type tag,
138 GPtrArray *list)
139 {
140 struct mpd_pair *pair;
142 while ((pair = mpd_recv_pair_tag(connection, tag)) != NULL) {
143 g_ptr_array_add(list, g_strdup(pair->value));
144 mpd_return_pair(connection, pair);
145 }
146 }
148 static void
149 load_artist_list(struct mpdclient *c)
150 {
151 struct mpd_connection *connection = mpdclient_get_connection(c);
153 assert(mode == LIST_ARTISTS);
154 assert(artist == NULL);
155 assert(album == NULL);
156 assert(artist_list == NULL);
157 assert(album_list == NULL);
158 assert(browser.filelist == NULL);
160 artist_list = g_ptr_array_new();
162 if (connection != NULL) {
163 mpd_search_db_tags(connection, MPD_TAG_ARTIST);
164 mpd_search_commit(connection);
165 recv_tag_values(connection, MPD_TAG_ARTIST, artist_list);
167 if (!mpd_response_finish(connection))
168 mpdclient_handle_error(c);
169 }
171 /* sort list */
172 g_ptr_array_sort(artist_list, compare_utf8);
173 list_window_set_length(browser.lw, artist_list->len);
174 }
176 static void
177 load_album_list(struct mpdclient *c)
178 {
179 struct mpd_connection *connection = mpdclient_get_connection(c);
181 assert(mode == LIST_ALBUMS);
182 assert(artist != NULL);
183 assert(album == NULL);
184 assert(album_list == NULL);
185 assert(browser.filelist == NULL);
187 album_list = g_ptr_array_new();
189 if (connection != NULL) {
190 mpd_search_db_tags(connection, MPD_TAG_ALBUM);
191 mpd_search_add_tag_constraint(connection,
192 MPD_OPERATOR_DEFAULT,
193 MPD_TAG_ARTIST, artist);
194 mpd_search_commit(connection);
196 recv_tag_values(connection, MPD_TAG_ALBUM, album_list);
198 if (!mpd_response_finish(connection))
199 mpdclient_handle_error(c);
200 }
202 /* sort list */
203 g_ptr_array_sort(album_list, compare_utf8);
205 list_window_set_length(browser.lw, album_list->len + 2);
206 }
208 static void
209 load_song_list(struct mpdclient *c)
210 {
211 struct mpd_connection *connection = mpdclient_get_connection(c);
213 assert(mode == LIST_SONGS);
214 assert(artist != NULL);
215 assert(album != NULL);
216 assert(browser.filelist == NULL);
218 browser.filelist = filelist_new();
219 /* add a dummy entry for ".." */
220 filelist_append(browser.filelist, NULL);
222 if (connection != NULL) {
223 mpd_search_db_songs(connection, true);
224 mpd_search_add_tag_constraint(connection, MPD_OPERATOR_DEFAULT,
225 MPD_TAG_ARTIST, artist);
226 if (album[0] != 0)
227 mpd_search_add_tag_constraint(connection, MPD_OPERATOR_DEFAULT,
228 MPD_TAG_ALBUM, album);
229 mpd_search_commit(connection);
231 filelist_recv(browser.filelist, connection);
233 if (!mpd_response_finish(connection))
234 mpdclient_handle_error(c);
235 }
237 /* fix highlights */
238 screen_browser_sync_highlights(browser.filelist, &c->playlist);
239 list_window_set_length(browser.lw, filelist_length(browser.filelist));
240 }
242 static void
243 free_state(void)
244 {
245 g_free(artist);
246 g_free(album);
247 artist = NULL;
248 album = NULL;
250 free_lists();
251 }
253 static void
254 open_artist_list(struct mpdclient *c)
255 {
256 free_state();
258 mode = LIST_ARTISTS;
259 load_artist_list(c);
260 }
262 static void
263 open_album_list(struct mpdclient *c, char *_artist)
264 {
265 assert(_artist != NULL);
267 free_state();
269 mode = LIST_ALBUMS;
270 artist = _artist;
271 load_album_list(c);
272 }
274 static void
275 open_song_list(struct mpdclient *c, char *_artist, char *_album)
276 {
277 assert(_artist != NULL);
278 assert(_album != NULL);
280 free_state();
282 mode = LIST_SONGS;
283 artist = _artist;
284 album = _album;
285 load_song_list(c);
286 }
288 static void
289 reload_lists(struct mpdclient *c)
290 {
291 free_lists();
293 switch (mode) {
294 case LIST_ARTISTS:
295 load_artist_list(c);
296 break;
298 case LIST_ALBUMS:
299 load_album_list(c);
300 break;
302 case LIST_SONGS:
303 load_song_list(c);
304 break;
305 }
306 }
308 static void
309 screen_artist_init(WINDOW *w, int cols, int rows)
310 {
311 browser.lw = list_window_init(w, cols, rows);
312 artist = NULL;
313 album = NULL;
314 }
316 static void
317 screen_artist_quit(void)
318 {
319 free_state();
320 list_window_free(browser.lw);
321 }
323 static void
324 screen_artist_open(struct mpdclient *c)
325 {
326 if (artist_list == NULL && album_list == NULL &&
327 browser.filelist == NULL)
328 reload_lists(c);
329 }
331 static void
332 screen_artist_resize(int cols, int rows)
333 {
334 list_window_resize(browser.lw, cols, rows);
335 }
337 static void
338 screen_artist_paint(void)
339 {
340 if (browser.filelist) {
341 screen_browser_paint(&browser);
342 } else if (album_list != NULL)
343 list_window_paint(browser.lw, screen_artist_lw_callback,
344 album_list);
345 else if (artist_list != NULL)
346 list_window_paint(browser.lw, screen_artist_lw_callback,
347 artist_list);
348 else {
349 wmove(browser.lw->w, 0, 0);
350 wclrtobot(browser.lw->w);
351 }
352 }
354 static const char *
355 screen_artist_get_title(char *str, size_t size)
356 {
357 char *s1, *s2;
359 switch(mode) {
360 case LIST_ARTISTS:
361 g_snprintf(str, size, _("All artists"));
362 break;
364 case LIST_ALBUMS:
365 s1 = utf8_to_locale(artist);
366 g_snprintf(str, size, _("Albums of artist: %s"), s1);
367 g_free(s1);
368 break;
370 case LIST_SONGS:
371 s1 = utf8_to_locale(artist);
372 if (*album != 0) {
373 s2 = utf8_to_locale(album);
374 g_snprintf(str, size,
375 _("Album: %s - %s"), s1, s2);
376 g_free(s2);
377 } else
378 g_snprintf(str, size,
379 _("All tracks of artist: %s"), s1);
380 g_free(s1);
381 break;
382 }
384 return str;
385 }
387 static void
388 screen_artist_update(struct mpdclient *c)
389 {
390 if (browser.filelist == NULL)
391 return;
393 if (c->events & MPD_IDLE_DATABASE)
394 /* the db has changed -> update the list */
395 reload_lists(c);
397 if (c->events & (MPD_IDLE_DATABASE | MPD_IDLE_PLAYLIST))
398 screen_browser_sync_highlights(browser.filelist, &c->playlist);
400 if (c->events & (MPD_IDLE_DATABASE
401 #ifndef NCMPC_MINI
402 | MPD_IDLE_PLAYLIST
403 #endif
404 ))
405 artist_repaint();
406 }
408 static void
409 add_query(struct mpdclient *c, enum mpd_tag_type table, char *_filter)
410 {
411 struct mpd_connection *connection = mpdclient_get_connection(c);
412 char *str;
413 struct filelist *addlist;
415 assert(filter != NULL);
417 if (connection == NULL)
418 return;
420 str = utf8_to_locale(_filter);
421 if (table == MPD_TAG_ALBUM)
422 screen_status_printf("Adding album %s...", str);
423 else
424 screen_status_printf("Adding %s...", str);
425 g_free(str);
427 mpd_search_db_songs(connection, true);
428 mpd_search_add_tag_constraint(connection, MPD_OPERATOR_DEFAULT,
429 table, _filter);
430 mpd_search_commit(connection);
432 addlist = filelist_new_recv(connection);
434 if (mpd_response_finish(connection))
435 mpdclient_filelist_add_all(c, addlist);
436 else
437 mpdclient_handle_error(c);
439 filelist_free(addlist);
440 }
442 static int
443 screen_artist_lw_cmd(struct mpdclient *c, command_t cmd)
444 {
445 switch (mode) {
446 case LIST_ARTISTS:
447 case LIST_ALBUMS:
448 return list_window_cmd(browser.lw, cmd);
450 case LIST_SONGS:
451 return browser_cmd(&browser, c, cmd);
452 }
454 assert(0);
455 return 0;
456 }
458 static int
459 string_array_find(GPtrArray *array, const char *value)
460 {
461 guint i;
463 for (i = 0; i < array->len; ++i)
464 if (strcmp((const char*)g_ptr_array_index(array, i),
465 value) == 0)
466 return i;
468 return -1;
469 }
471 static bool
472 screen_artist_cmd(struct mpdclient *c, command_t cmd)
473 {
474 struct list_window_range range;
475 char *selected;
476 char *old;
477 int idx;
479 switch(cmd) {
480 case CMD_PLAY:
481 switch (mode) {
482 case LIST_ARTISTS:
483 if (browser.lw->selected >= artist_list->len)
484 return true;
486 selected = g_ptr_array_index(artist_list,
487 browser.lw->selected);
488 open_album_list(c, g_strdup(selected));
489 list_window_reset(browser.lw);
491 artist_repaint();
492 return true;
494 case LIST_ALBUMS:
495 if (browser.lw->selected == 0) {
496 /* handle ".." */
497 old = g_strdup(artist);
499 open_artist_list(c);
500 list_window_reset(browser.lw);
501 /* restore previous list window state */
502 idx = string_array_find(artist_list, old);
503 g_free(old);
505 if (idx >= 0) {
506 list_window_set_cursor(browser.lw, idx);
507 list_window_center(browser.lw, idx);
508 }
509 } else if (browser.lw->selected == album_list->len + 1) {
510 /* handle "show all" */
511 open_song_list(c, g_strdup(artist), g_strdup("\0"));
512 list_window_reset(browser.lw);
513 } else {
514 /* select album */
515 selected = g_ptr_array_index(album_list,
516 browser.lw->selected - 1);
517 open_song_list(c, g_strdup(artist), g_strdup(selected));
518 list_window_reset(browser.lw);
519 }
521 artist_repaint();
522 return true;
524 case LIST_SONGS:
525 if (browser.lw->selected == 0) {
526 /* handle ".." */
527 old = g_strdup(album);
529 open_album_list(c, g_strdup(artist));
530 list_window_reset(browser.lw);
531 /* restore previous list window state */
532 idx = *old == 0
533 ? (int)album_list->len
534 : string_array_find(album_list, old);
535 g_free(old);
537 if (idx >= 0) {
538 ++idx;
539 list_window_set_cursor(browser.lw, idx);
540 list_window_center(browser.lw, idx);
541 }
543 artist_repaint();
544 return true;
545 }
546 break;
547 }
548 break;
550 /* FIXME? CMD_GO_* handling duplicates code from CMD_PLAY */
552 case CMD_GO_PARENT_DIRECTORY:
553 switch (mode) {
554 case LIST_ARTISTS:
555 break;
557 case LIST_ALBUMS:
558 old = g_strdup(artist);
560 open_artist_list(c);
561 list_window_reset(browser.lw);
562 /* restore previous list window state */
563 idx = string_array_find(artist_list, old);
564 g_free(old);
566 if (idx >= 0) {
567 list_window_set_cursor(browser.lw, idx);
568 list_window_center(browser.lw, idx);
569 }
570 break;
572 case LIST_SONGS:
573 old = g_strdup(album);
575 open_album_list(c, g_strdup(artist));
576 list_window_reset(browser.lw);
577 /* restore previous list window state */
578 idx = *old == 0
579 ? (int)album_list->len
580 : string_array_find(album_list, old);
581 g_free(old);
583 if (idx >= 0) {
584 ++idx;
585 list_window_set_cursor(browser.lw, idx);
586 list_window_center(browser.lw, idx);
587 }
588 break;
589 }
591 artist_repaint();
592 break;
594 case CMD_GO_ROOT_DIRECTORY:
595 switch (mode) {
596 case LIST_ARTISTS:
597 break;
599 case LIST_ALBUMS:
600 case LIST_SONGS:
601 open_artist_list(c);
602 list_window_reset(browser.lw);
603 /* restore first list window state (pop while returning true) */
604 /* XXX */
605 break;
606 }
608 artist_repaint();
609 break;
611 case CMD_SELECT:
612 case CMD_ADD:
613 switch(mode) {
614 case LIST_ARTISTS:
615 if (browser.lw->selected >= artist_list->len)
616 return true;
618 list_window_get_range(browser.lw, &range);
619 for (unsigned i = range.start; i < range.end; ++i) {
620 selected = g_ptr_array_index(artist_list, i);
621 add_query(c, MPD_TAG_ARTIST, selected);
622 cmd = CMD_LIST_NEXT; /* continue and select next item... */
623 }
624 break;
626 case LIST_ALBUMS:
627 list_window_get_range(browser.lw, &range);
628 for (unsigned i = range.start; i < range.end; ++i) {
629 if(i == album_list->len + 1)
630 add_query(c, MPD_TAG_ARTIST, artist);
631 else if (i > 0)
632 {
633 selected = g_ptr_array_index(album_list,
634 browser.lw->selected - 1);
635 add_query(c, MPD_TAG_ALBUM, selected);
636 cmd = CMD_LIST_NEXT; /* continue and select next item... */
637 }
638 }
639 break;
641 case LIST_SONGS:
642 /* handled by browser_cmd() */
643 break;
644 }
645 break;
647 /* continue and update... */
648 case CMD_SCREEN_UPDATE:
649 reload_lists(c);
650 return false;
652 case CMD_LIST_FIND:
653 case CMD_LIST_RFIND:
654 case CMD_LIST_FIND_NEXT:
655 case CMD_LIST_RFIND_NEXT:
656 switch (mode) {
657 case LIST_ARTISTS:
658 screen_find(browser.lw, cmd,
659 screen_artist_lw_callback, artist_list);
660 artist_repaint();
661 return true;
663 case LIST_ALBUMS:
664 screen_find(browser.lw, cmd,
665 screen_artist_lw_callback, album_list);
666 artist_repaint();
667 return true;
669 case LIST_SONGS:
670 /* handled by browser_cmd() */
671 break;
672 }
673 case CMD_LIST_JUMP:
674 switch (mode) {
675 case LIST_ARTISTS:
676 screen_jump(browser.lw, screen_artist_lw_callback,
677 NULL, artist_list);
678 artist_repaint();
679 return true;
681 case LIST_ALBUMS:
682 screen_jump(browser.lw, screen_artist_lw_callback,
683 NULL, album_list);
684 artist_repaint();
685 return true;
687 case LIST_SONGS:
688 /* handled by browser_cmd() */
689 break;
690 }
692 break;
694 default:
695 break;
696 }
698 if (screen_artist_lw_cmd(c, cmd)) {
699 if (screen_is_visible(&screen_artist))
700 artist_repaint();
701 return true;
702 }
704 return false;
705 }
707 const struct screen_functions screen_artist = {
708 .init = screen_artist_init,
709 .exit = screen_artist_quit,
710 .open = screen_artist_open,
711 .resize = screen_artist_resize,
712 .paint = screen_artist_paint,
713 .update = screen_artist_update,
714 .cmd = screen_artist_cmd,
715 .get_title = screen_artist_get_title,
716 };