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 "i18n.h"
21 #include "options.h"
22 #include "charset.h"
23 #include "mpdclient.h"
24 #include "utils.h"
25 #include "strfsong.h"
26 #include "command.h"
27 #include "screen.h"
28 #include "screen_utils.h"
29 #include "screen_browser.h"
30 #include "filelist.h"
32 #include <ctype.h>
33 #include <stdlib.h>
34 #include <string.h>
35 #include <glib.h>
37 #define BUFSIZE 1024
39 typedef enum { LIST_ARTISTS, LIST_ALBUMS, LIST_SONGS } artist_mode_t;
41 static artist_mode_t mode = LIST_ARTISTS;
42 static GPtrArray *artist_list, *album_list;
43 static char *artist = NULL;
44 static char *album = NULL;
46 static struct screen_browser browser;
48 static gint
49 compare_utf8(gconstpointer s1, gconstpointer s2)
50 {
51 char *key1, *key2;
52 int n;
54 key1 = g_utf8_collate_key(s1,-1);
55 key2 = g_utf8_collate_key(s2,-1);
56 n = strcmp(key1,key2);
57 g_free(key1);
58 g_free(key2);
59 return n;
60 }
62 /* list_window callback */
63 static const char *
64 screen_artist_lw_callback(unsigned idx, G_GNUC_UNUSED bool *highlight,
65 G_GNUC_UNUSED char** sc, G_GNUC_UNUSED void *data)
66 {
67 GPtrArray *list = data;
68 static char buf[BUFSIZE];
69 char *str, *str_utf8;
71 if (mode == LIST_ALBUMS) {
72 if (idx == 0)
73 return "[..]";
74 else if (idx == list->len + 1) {
75 str = utf8_to_locale(_("All tracks"));
76 g_snprintf(buf, BUFSIZE, "[%s]", str);
77 g_free(str);
78 return buf;
79 }
81 --idx;
82 }
84 if (idx >= list->len)
85 return NULL;
87 str_utf8 = g_ptr_array_index(list, idx);
88 assert(str_utf8 != NULL);
90 str = utf8_to_locale(str_utf8);
91 g_snprintf(buf, BUFSIZE, "[%s]", str);
92 g_free(str);
94 return buf;
95 }
97 static void
98 screen_artist_paint(void);
100 static void
101 artist_repaint(void)
102 {
103 screen_artist_paint();
104 wrefresh(browser.lw->w);
105 }
107 static GPtrArray *
108 g_list_to_ptr_array(GList *in)
109 {
110 GPtrArray *out = g_ptr_array_sized_new(g_list_length(in));
111 GList *head = in;
113 while (in != NULL) {
114 g_ptr_array_add(out, in->data);
115 in = g_list_next(in);
116 }
118 g_list_free(head);
119 return out;
120 }
122 static void
123 string_array_free(GPtrArray *array)
124 {
125 unsigned i;
127 for (i = 0; i < array->len; ++i) {
128 char *value = g_ptr_array_index(array, i);
129 g_free(value);
130 }
132 g_ptr_array_free(array, TRUE);
133 }
135 static void
136 free_lists(G_GNUC_UNUSED struct mpdclient *c)
137 {
138 if (artist_list != NULL) {
139 string_array_free(artist_list);
140 artist_list = NULL;
141 }
143 if (album_list != NULL) {
144 string_array_free(album_list);
145 album_list = NULL;
146 }
148 if (browser.filelist) {
149 filelist_free(browser.filelist);
150 browser.filelist = NULL;
151 }
152 }
154 static void
155 load_artist_list(struct mpdclient *c)
156 {
157 GList *list;
159 assert(mode == LIST_ARTISTS);
160 assert(artist == NULL);
161 assert(album == NULL);
162 assert(artist_list == NULL);
163 assert(album_list == NULL);
164 assert(browser.filelist == NULL);
166 list = mpdclient_get_artists(c);
167 /* sort list */
168 list = g_list_sort(list, compare_utf8);
170 artist_list = g_list_to_ptr_array(list);
171 }
173 static void
174 load_album_list(struct mpdclient *c)
175 {
176 GList *list;
178 assert(mode == LIST_ALBUMS);
179 assert(artist != NULL);
180 assert(album == NULL);
181 assert(album_list == NULL);
182 assert(browser.filelist == NULL);
184 list = mpdclient_get_albums(c, artist);
185 /* sort list */
186 list = g_list_sort(list, compare_utf8);
188 album_list = g_list_to_ptr_array(list);
189 }
191 static void
192 load_song_list(struct mpdclient *c)
193 {
194 assert(mode == LIST_SONGS);
195 assert(artist != NULL);
196 assert(album != NULL);
197 assert(browser.filelist == NULL);
199 if (album[0] == 0)
200 browser.filelist =
201 mpdclient_filelist_search(c, TRUE,
202 MPD_TAG_ARTIST,
203 artist);
204 else
205 browser.filelist =
206 mpdclient_filelist_search(c, TRUE,
207 MPD_TAG_ALBUM,
208 album);
209 if (browser.filelist == NULL)
210 browser.filelist = filelist_new();
212 /* add a dummy entry for ".." */
213 filelist_prepend(browser.filelist, NULL);
215 #ifndef NCMPC_MINI
216 /* fix highlights */
217 sync_highlights(c, browser.filelist);
218 #endif
219 }
221 static void
222 free_state(struct mpdclient *c)
223 {
224 g_free(artist);
225 g_free(album);
226 artist = NULL;
227 album = NULL;
229 free_lists(c);
230 }
232 static void
233 open_artist_list(struct mpdclient *c)
234 {
235 free_state(c);
237 mode = LIST_ARTISTS;
238 load_artist_list(c);
239 }
241 static void
242 open_album_list(struct mpdclient *c, char *_artist)
243 {
244 assert(_artist != NULL);
246 free_state(c);
248 mode = LIST_ALBUMS;
249 artist = _artist;
250 load_album_list(c);
251 }
253 static void
254 open_song_list(struct mpdclient *c, char *_artist, char *_album)
255 {
256 assert(_artist != NULL);
257 assert(_album != NULL);
259 free_state(c);
261 mode = LIST_SONGS;
262 artist = _artist;
263 album = _album;
264 load_song_list(c);
265 }
267 static void
268 reload_lists(struct mpdclient *c)
269 {
270 free_lists(c);
272 switch (mode) {
273 case LIST_ARTISTS:
274 load_artist_list(c);
275 break;
277 case LIST_ALBUMS:
278 load_album_list(c);
279 break;
281 case LIST_SONGS:
282 load_song_list(c);
283 break;
284 }
285 }
287 static void
288 screen_artist_init(WINDOW *w, int cols, int rows)
289 {
290 browser.lw = list_window_init(w, cols, rows);
291 artist = NULL;
292 album = NULL;
293 }
295 static void
296 screen_artist_quit(void)
297 {
298 free_state(NULL);
299 list_window_free(browser.lw);
300 }
302 static void
303 screen_artist_open(struct mpdclient *c)
304 {
305 if (artist_list == NULL && album_list == NULL &&
306 browser.filelist == NULL)
307 reload_lists(c);
308 }
310 static void
311 screen_artist_resize(int cols, int rows)
312 {
313 browser.lw->cols = cols;
314 browser.lw->rows = rows;
315 }
317 static void
318 screen_artist_paint(void)
319 {
320 if (browser.filelist) {
321 list_window_paint(browser.lw, browser_lw_callback,
322 browser.filelist);
323 } else if (album_list != NULL)
324 list_window_paint(browser.lw, screen_artist_lw_callback,
325 album_list);
326 else if (artist_list != NULL)
327 list_window_paint(browser.lw, screen_artist_lw_callback,
328 artist_list);
329 else {
330 wmove(browser.lw->w, 0, 0);
331 wclrtobot(browser.lw->w);
332 }
333 }
335 static const char *
336 screen_artist_get_title(char *str, size_t size)
337 {
338 char *s1, *s2;
340 switch(mode) {
341 case LIST_ARTISTS:
342 g_snprintf(str, size, _("All artists"));
343 break;
345 case LIST_ALBUMS:
346 s1 = utf8_to_locale(artist);
347 g_snprintf(str, size, _("Albums of artist: %s"), s1);
348 g_free(s1);
349 break;
351 case LIST_SONGS:
352 s1 = utf8_to_locale(artist);
353 if (*album != 0) {
354 s2 = utf8_to_locale(album);
355 g_snprintf(str, size,
356 _("Album: %s - %s"), s1, s2);
357 g_free(s2);
358 } else
359 g_snprintf(str, size,
360 _("All tracks of artist: %s"), s1);
361 g_free(s1);
362 break;
363 }
365 return str;
366 }
368 static void
369 screen_artist_update(struct mpdclient *c)
370 {
371 if (browser.filelist == NULL)
372 return;
374 if (c->events & MPD_IDLE_DATABASE)
375 /* the db has changed -> update the list */
376 reload_lists(c);
378 #ifndef NCMPC_MINI
379 if (c->events & (MPD_IDLE_DATABASE | MPD_IDLE_PLAYLIST))
380 sync_highlights(c, browser.filelist);
381 #endif
383 if (c->events & (MPD_IDLE_DATABASE
384 #ifndef NCMPC_MINI
385 | MPD_IDLE_PLAYLIST
386 #endif
387 ))
388 artist_repaint();
389 }
391 static void
392 add_query(struct mpdclient *c, enum mpd_tag_type table, char *_filter)
393 {
394 char *str;
395 struct filelist *addlist;
397 assert(filter != NULL);
399 str = utf8_to_locale(_filter);
400 if (table == MPD_TAG_ALBUM)
401 screen_status_printf("Adding album %s...", str);
402 else
403 screen_status_printf("Adding %s...", str);
404 g_free(str);
406 addlist = mpdclient_filelist_search(c, TRUE, table, _filter);
407 if (addlist) {
408 mpdclient_filelist_add_all(c, addlist);
409 filelist_free(addlist);
410 }
411 }
413 static unsigned
414 metalist_length(void)
415 {
416 assert(mode != LIST_ARTISTS || artist_list != NULL);
417 assert(mode != LIST_ALBUMS || album_list != NULL);
419 return mode == LIST_ALBUMS
420 ? album_list->len + 2
421 : artist_list->len;
422 }
424 static int
425 screen_artist_lw_cmd(struct mpdclient *c, command_t cmd)
426 {
427 switch (mode) {
428 case LIST_ARTISTS:
429 case LIST_ALBUMS:
430 return list_window_cmd(browser.lw, metalist_length(), cmd);
432 case LIST_SONGS:
433 return browser_cmd(&browser, c, cmd);
434 }
436 assert(0);
437 return 0;
438 }
440 static int
441 string_array_find(GPtrArray *array, const char *value)
442 {
443 guint i;
445 for (i = 0; i < array->len; ++i)
446 if (strcmp((const char*)g_ptr_array_index(array, i),
447 value) == 0)
448 return i;
450 return -1;
451 }
453 static bool
454 screen_artist_cmd(struct mpdclient *c, command_t cmd)
455 {
456 char *selected;
457 char *old;
458 int idx;
460 switch(cmd) {
461 case CMD_PLAY:
462 switch (mode) {
463 case LIST_ARTISTS:
464 selected = g_ptr_array_index(artist_list,
465 browser.lw->selected);
466 open_album_list(c, g_strdup(selected));
467 list_window_reset(browser.lw);
469 artist_repaint();
470 return true;
472 case LIST_ALBUMS:
473 if (browser.lw->selected == 0) {
474 /* handle ".." */
475 old = g_strdup(artist);
477 open_artist_list(c);
478 list_window_reset(browser.lw);
479 /* restore previous list window state */
480 idx = string_array_find(artist_list, old);
481 g_free(old);
483 if (idx >= 0) {
484 list_window_set_selected(browser.lw, idx);
485 list_window_center(browser.lw,
486 artist_list->len, idx);
487 }
488 } else if (browser.lw->selected == album_list->len + 1) {
489 /* handle "show all" */
490 open_song_list(c, g_strdup(artist), g_strdup("\0"));
491 list_window_reset(browser.lw);
492 } else {
493 /* select album */
494 selected = g_ptr_array_index(album_list,
495 browser.lw->selected - 1);
496 open_song_list(c, g_strdup(artist), g_strdup(selected));
497 list_window_reset(browser.lw);
498 }
500 artist_repaint();
501 return true;
503 case LIST_SONGS:
504 if (browser.lw->selected == 0) {
505 /* handle ".." */
506 old = g_strdup(album);
508 open_album_list(c, g_strdup(artist));
509 list_window_reset(browser.lw);
510 /* restore previous list window state */
511 idx = *old == 0
512 ? (int)album_list->len
513 : string_array_find(album_list, old);
514 g_free(old);
516 if (idx >= 0) {
517 ++idx;
518 list_window_set_selected(browser.lw, idx);
519 list_window_center(browser.lw,
520 album_list->len, idx);
521 }
523 artist_repaint();
524 return true;
525 }
526 break;
527 }
528 break;
530 /* FIXME? CMD_GO_* handling duplicates code from CMD_PLAY */
532 case CMD_GO_PARENT_DIRECTORY:
533 switch (mode) {
534 case LIST_ARTISTS:
535 break;
537 case LIST_ALBUMS:
538 old = g_strdup(artist);
540 open_artist_list(c);
541 list_window_reset(browser.lw);
542 /* restore previous list window state */
543 idx = string_array_find(artist_list, old);
544 g_free(old);
546 if (idx >= 0) {
547 list_window_set_selected(browser.lw, idx);
548 list_window_center(browser.lw,
549 artist_list->len, idx);
550 }
551 break;
553 case LIST_SONGS:
554 old = g_strdup(album);
556 open_album_list(c, g_strdup(artist));
557 list_window_reset(browser.lw);
558 /* restore previous list window state */
559 idx = *old == 0
560 ? (int)album_list->len
561 : string_array_find(album_list, old);
562 g_free(old);
564 if (idx >= 0) {
565 ++idx;
566 list_window_set_selected(browser.lw, idx);
567 list_window_center(browser.lw,
568 album_list->len, idx);
569 }
570 break;
571 }
573 artist_repaint();
574 break;
576 case CMD_GO_ROOT_DIRECTORY:
577 switch (mode) {
578 case LIST_ARTISTS:
579 break;
581 case LIST_ALBUMS:
582 case LIST_SONGS:
583 open_artist_list(c);
584 list_window_reset(browser.lw);
585 /* restore first list window state (pop while returning true) */
586 /* XXX */
587 break;
588 }
590 artist_repaint();
591 break;
593 case CMD_SELECT:
594 case CMD_ADD:
595 switch(mode) {
596 case LIST_ARTISTS:
597 {
598 unsigned i;
599 for(i = browser.lw->selected_start; i <= browser.lw->selected_end; ++i)
600 {
601 selected = g_ptr_array_index(artist_list, i);
602 add_query(c, MPD_TAG_ARTIST, selected);
603 cmd = CMD_LIST_NEXT; /* continue and select next item... */
604 }
605 break;
606 }
607 case LIST_ALBUMS:
608 {
609 unsigned i;
610 for(i = browser.lw->selected_start; i <= browser.lw->selected_end; ++i)
611 {
612 if(i == album_list->len + 1)
613 add_query(c, MPD_TAG_ARTIST, artist);
614 else if (i > 0)
615 {
616 selected = g_ptr_array_index(album_list,
617 browser.lw->selected - 1);
618 add_query(c, MPD_TAG_ALBUM, selected);
619 cmd = CMD_LIST_NEXT; /* continue and select next item... */
620 }
621 }
622 break;
623 }
625 case LIST_SONGS:
626 /* handled by browser_cmd() */
627 break;
628 }
629 break;
631 /* continue and update... */
632 case CMD_SCREEN_UPDATE:
633 reload_lists(c);
634 return false;
636 case CMD_LIST_FIND:
637 case CMD_LIST_RFIND:
638 case CMD_LIST_FIND_NEXT:
639 case CMD_LIST_RFIND_NEXT:
640 switch (mode) {
641 case LIST_ARTISTS:
642 screen_find(browser.lw, artist_list->len,
643 cmd, screen_artist_lw_callback,
644 artist_list);
645 artist_repaint();
646 return true;
648 case LIST_ALBUMS:
649 screen_find(browser.lw, album_list->len + 2,
650 cmd, screen_artist_lw_callback,
651 album_list);
652 artist_repaint();
653 return true;
655 case LIST_SONGS:
656 /* handled by browser_cmd() */
657 break;
658 }
659 case CMD_LIST_JUMP:
660 switch (mode) {
661 case LIST_ARTISTS:
662 screen_jump(browser.lw, screen_artist_lw_callback,
663 artist_list);
664 artist_repaint();
665 return true;
667 case LIST_ALBUMS:
668 screen_jump(browser.lw, screen_artist_lw_callback,
669 album_list);
670 artist_repaint();
671 return true;
673 case LIST_SONGS:
674 /* handled by browser_cmd() */
675 break;
676 }
678 break;
680 default:
681 break;
682 }
684 if (screen_artist_lw_cmd(c, cmd)) {
685 if (screen_is_visible(&screen_artist))
686 artist_repaint();
687 return true;
688 }
690 return false;
691 }
693 const struct screen_functions screen_artist = {
694 .init = screen_artist_init,
695 .exit = screen_artist_quit,
696 .open = screen_artist_open,
697 .resize = screen_artist_resize,
698 .paint = screen_artist_paint,
699 .update = screen_artist_update,
700 .cmd = screen_artist_cmd,
701 .get_title = screen_artist_get_title,
702 };