1 /*
2 * (c) 2005 by Kalle Wallin <kaw@linux.se>
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16 *
17 */
19 #include "i18n.h"
20 #include "options.h"
21 #include "charset.h"
22 #include "mpdclient.h"
23 #include "utils.h"
24 #include "strfsong.h"
25 #include "command.h"
26 #include "screen.h"
27 #include "screen_utils.h"
28 #include "screen_browser.h"
30 #include <ctype.h>
31 #include <stdlib.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 artist_lw_callback(unsigned idx, G_GNUC_UNUSED bool *highlight,
63 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 paint(void);
98 static void
99 artist_repaint(void)
100 {
101 paint();
102 wrefresh(browser.lw->w);
103 }
105 static void
106 artist_repaint_if_active(void)
107 {
108 if (screen_is_visible(&screen_artist))
109 artist_repaint();
110 }
112 #ifndef NCMPC_MINI
113 /* the playlist have been updated -> fix highlights */
114 static void
115 playlist_changed_callback(mpdclient_t *c, int event, gpointer data)
116 {
117 browser_playlist_changed(&browser, c, event, data);
119 artist_repaint_if_active();
120 }
121 #endif
123 static GPtrArray *
124 g_list_to_ptr_array(GList *in)
125 {
126 GPtrArray *out = g_ptr_array_sized_new(g_list_length(in));
127 GList *head = in;
129 while (in != NULL) {
130 g_ptr_array_add(out, in->data);
131 in = g_list_next(in);
132 }
134 g_list_free(head);
135 return out;
136 }
138 static void
139 string_array_free(GPtrArray *array)
140 {
141 unsigned i;
143 for (i = 0; i < array->len; ++i) {
144 char *value = g_ptr_array_index(array, i);
145 free(value);
146 }
148 g_ptr_array_free(array, TRUE);
149 }
151 static void
152 free_lists(G_GNUC_UNUSED struct mpdclient *c)
153 {
154 if (artist_list != NULL) {
155 string_array_free(artist_list);
156 artist_list = NULL;
157 }
159 if (album_list != NULL) {
160 string_array_free(album_list);
161 album_list = NULL;
162 }
164 if (browser.filelist) {
165 #ifndef NCMPC_MINI
166 if (c != NULL)
167 mpdclient_remove_playlist_callback(c, playlist_changed_callback);
168 #endif
169 filelist_free(browser.filelist);
170 browser.filelist = NULL;
171 }
172 }
174 static void
175 load_artist_list(struct mpdclient *c)
176 {
177 GList *list;
179 assert(mode == LIST_ARTISTS);
180 assert(artist == NULL);
181 assert(album == NULL);
182 assert(artist_list == NULL);
183 assert(album_list == NULL);
184 assert(browser.filelist == NULL);
186 list = mpdclient_get_artists(c);
187 /* sort list */
188 list = g_list_sort(list, compare_utf8);
190 artist_list = g_list_to_ptr_array(list);
191 }
193 static void
194 load_album_list(struct mpdclient *c)
195 {
196 GList *list;
198 assert(mode == LIST_ALBUMS);
199 assert(artist != NULL);
200 assert(album == NULL);
201 assert(album_list == NULL);
202 assert(browser.filelist == NULL);
204 list = mpdclient_get_albums(c, artist);
205 /* sort list */
206 list = g_list_sort(list, compare_utf8);
208 album_list = g_list_to_ptr_array(list);
209 }
211 static void
212 load_song_list(struct mpdclient *c)
213 {
214 assert(mode == LIST_SONGS);
215 assert(artist != NULL);
216 assert(album != NULL);
217 assert(browser.filelist == NULL);
219 if (album[0] == 0)
220 browser.filelist =
221 mpdclient_filelist_search(c, TRUE,
222 MPD_TABLE_ARTIST,
223 artist);
224 else
225 browser.filelist =
226 mpdclient_filelist_search(c, TRUE,
227 MPD_TABLE_ALBUM,
228 album);
229 if (browser.filelist == NULL)
230 browser.filelist = filelist_new(NULL);
232 /* add a dummy entry for ".." */
233 filelist_prepend(browser.filelist, NULL);
235 #ifndef NCMPC_MINI
236 /* install playlist callback and fix highlights */
237 sync_highlights(c, browser.filelist);
238 mpdclient_install_playlist_callback(c, playlist_changed_callback);
239 #endif
240 }
242 static void
243 free_state(struct mpdclient *c)
244 {
245 g_free(artist);
246 g_free(album);
247 artist = NULL;
248 album = NULL;
250 free_lists(c);
251 }
253 static void
254 open_artist_list(struct mpdclient *c)
255 {
256 free_state(c);
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(c);
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(c);
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(c);
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 /* db updated */
309 static void
310 browse_callback(mpdclient_t *c, int event, G_GNUC_UNUSED gpointer data)
311 {
312 switch(event) {
313 case BROWSE_DB_UPDATED:
314 reload_lists(c);
315 break;
316 default:
317 break;
318 }
320 artist_repaint_if_active();
321 }
323 static void
324 init(WINDOW *w, int cols, int rows)
325 {
326 browser.lw = list_window_init(w, cols, rows);
327 artist = NULL;
328 album = NULL;
329 }
331 static void
332 quit(void)
333 {
334 free_state(NULL);
335 list_window_free(browser.lw);
336 }
338 static void
339 open(mpdclient_t *c)
340 {
341 static gboolean callback_installed = FALSE;
343 if (artist_list == NULL && album_list == NULL &&
344 browser.filelist == NULL)
345 reload_lists(c);
346 if (!callback_installed) {
347 mpdclient_install_browse_callback(c, browse_callback);
348 callback_installed = TRUE;
349 }
350 }
352 static void
353 resize(int cols, int rows)
354 {
355 browser.lw->cols = cols;
356 browser.lw->rows = rows;
357 }
359 static void
360 paint(void)
361 {
362 if (browser.filelist) {
363 list_window_paint(browser.lw, browser_lw_callback,
364 browser.filelist);
365 } else if (album_list != NULL)
366 list_window_paint(browser.lw, artist_lw_callback, album_list);
367 else if (artist_list != NULL)
368 list_window_paint(browser.lw, artist_lw_callback, artist_list);
369 else {
370 wmove(browser.lw->w, 0, 0);
371 wclrtobot(browser.lw->w);
372 }
373 }
375 static const char *
376 get_title(char *str, size_t size)
377 {
378 char *s1, *s2;
380 switch(mode) {
381 case LIST_ARTISTS:
382 g_snprintf(str, size, _("All artists"));
383 break;
385 case LIST_ALBUMS:
386 s1 = utf8_to_locale(artist);
387 g_snprintf(str, size, _("Albums of artist: %s"), s1);
388 g_free(s1);
389 break;
391 case LIST_SONGS:
392 s1 = utf8_to_locale(artist);
393 if (*album != 0) {
394 s2 = utf8_to_locale(album);
395 g_snprintf(str, size,
396 _("Album: %s - %s"), s1, s2);
397 g_free(s2);
398 } else
399 g_snprintf(str, size,
400 _("All tracks of artist: %s"), s1);
401 g_free(s1);
402 break;
403 }
405 return str;
406 }
408 static void
409 add_query(mpdclient_t *c, int table, char *_filter)
410 {
411 char *str;
412 mpdclient_filelist_t *addlist;
414 assert(filter != NULL);
416 str = utf8_to_locale(_filter);
417 if (table== MPD_TABLE_ALBUM)
418 screen_status_printf("Adding album %s...", str);
419 else
420 screen_status_printf("Adding %s...", str);
421 g_free(str);
423 addlist = mpdclient_filelist_search(c, TRUE, table, _filter);
424 if (addlist) {
425 mpdclient_filelist_add_all(c, addlist);
426 filelist_free(addlist);
427 }
428 }
430 static unsigned
431 metalist_length(void)
432 {
433 assert(mode != LIST_ARTISTS || artist_list != NULL);
434 assert(mode != LIST_ALBUMS || album_list != NULL);
436 return mode == LIST_ALBUMS
437 ? album_list->len + 2
438 : artist_list->len;
439 }
441 static int
442 artist_lw_cmd(struct mpdclient *c, command_t cmd)
443 {
444 switch (mode) {
445 case LIST_ARTISTS:
446 case LIST_ALBUMS:
447 return list_window_cmd(browser.lw, metalist_length(), cmd);
449 case LIST_SONGS:
450 return browser_cmd(&browser, c, cmd);
451 }
453 assert(0);
454 return 0;
455 }
457 static int
458 string_array_find(GPtrArray *array, const char *value)
459 {
460 guint i;
462 for (i = 0; i < array->len; ++i)
463 if (strcmp((const char*)g_ptr_array_index(array, i),
464 value) == 0)
465 return i;
467 return -1;
468 }
470 static bool
471 artist_cmd(mpdclient_t *c, command_t cmd)
472 {
473 char *selected;
474 char *old;
475 int idx;
477 switch(cmd) {
478 case CMD_PLAY:
479 switch (mode) {
480 case LIST_ARTISTS:
481 selected = g_ptr_array_index(artist_list,
482 browser.lw->selected);
483 open_album_list(c, g_strdup(selected));
484 list_window_reset(browser.lw);
486 artist_repaint();
487 return true;
489 case LIST_ALBUMS:
490 if (browser.lw->selected == 0) {
491 /* handle ".." */
492 old = g_strdup(artist);
494 open_artist_list(c);
495 list_window_reset(browser.lw);
496 /* restore previous list window state */
497 idx = string_array_find(artist_list, old);
498 g_free(old);
500 if (idx >= 0) {
501 list_window_set_selected(browser.lw, idx);
502 list_window_center(browser.lw,
503 artist_list->len, idx);
504 }
505 } else if (browser.lw->selected == album_list->len + 1) {
506 /* handle "show all" */
507 open_song_list(c, g_strdup(artist), g_strdup("\0"));
508 list_window_reset(browser.lw);
509 } else {
510 /* select album */
511 selected = g_ptr_array_index(album_list,
512 browser.lw->selected - 1);
513 open_song_list(c, g_strdup(artist), g_strdup(selected));
514 list_window_reset(browser.lw);
515 }
517 artist_repaint();
518 return true;
520 case LIST_SONGS:
521 if (browser.lw->selected == 0) {
522 /* handle ".." */
523 old = g_strdup(album);
525 open_album_list(c, g_strdup(artist));
526 list_window_reset(browser.lw);
527 /* restore previous list window state */
528 idx = *old == 0
529 ? (int)album_list->len
530 : string_array_find(album_list, old);
531 g_free(old);
533 if (idx >= 0) {
534 ++idx;
535 list_window_set_selected(browser.lw, idx);
536 list_window_center(browser.lw,
537 album_list->len, idx);
538 }
540 artist_repaint();
541 return true;
542 }
543 break;
544 }
545 break;
547 /* FIXME? CMD_GO_* handling duplicates code from CMD_PLAY */
549 case CMD_GO_PARENT_DIRECTORY:
550 switch (mode) {
551 case LIST_ARTISTS:
552 break;
554 case LIST_ALBUMS:
555 old = g_strdup(artist);
557 open_artist_list(c);
558 list_window_reset(browser.lw);
559 /* restore previous list window state */
560 idx = string_array_find(artist_list, old);
561 g_free(old);
563 if (idx >= 0) {
564 list_window_set_selected(browser.lw, idx);
565 list_window_center(browser.lw,
566 artist_list->len, idx);
567 }
568 break;
570 case LIST_SONGS:
571 old = g_strdup(album);
573 open_album_list(c, g_strdup(artist));
574 list_window_reset(browser.lw);
575 /* restore previous list window state */
576 idx = *old == 0
577 ? (int)album_list->len
578 : string_array_find(album_list, old);
579 g_free(old);
581 if (idx >= 0) {
582 ++idx;
583 list_window_set_selected(browser.lw, idx);
584 list_window_center(browser.lw,
585 album_list->len, idx);
586 }
587 break;
588 }
590 artist_repaint();
591 break;
593 case CMD_GO_ROOT_DIRECTORY:
594 switch (mode) {
595 case LIST_ARTISTS:
596 break;
598 case LIST_ALBUMS:
599 case LIST_SONGS:
600 open_artist_list(c);
601 list_window_reset(browser.lw);
602 /* restore first list window state (pop while returning true) */
603 /* XXX */
604 break;
605 }
607 artist_repaint();
608 break;
610 case CMD_SELECT:
611 case CMD_ADD:
612 switch(mode) {
613 case LIST_ARTISTS:
614 selected = g_ptr_array_index(artist_list,
615 browser.lw->selected);
616 add_query(c, MPD_TABLE_ARTIST, selected);
617 cmd = CMD_LIST_NEXT; /* continue and select next item... */
618 break;
620 case LIST_ALBUMS:
621 if (browser.lw->selected == album_list->len + 1)
622 add_query(c, MPD_TABLE_ARTIST, artist);
623 else if (browser.lw->selected > 0) {
624 selected = g_ptr_array_index(album_list,
625 browser.lw->selected - 1);
626 add_query(c, MPD_TABLE_ALBUM, selected);
627 cmd = CMD_LIST_NEXT; /* continue and select next item... */
628 }
629 break;
631 case LIST_SONGS:
632 /* handled by browser_cmd() */
633 break;
634 }
635 break;
637 /* continue and update... */
638 case CMD_SCREEN_UPDATE:
639 reload_lists(c);
640 return false;
642 case CMD_LIST_FIND:
643 case CMD_LIST_RFIND:
644 case CMD_LIST_FIND_NEXT:
645 case CMD_LIST_RFIND_NEXT:
646 switch (mode) {
647 case LIST_ARTISTS:
648 screen_find(browser.lw, artist_list->len,
649 cmd, artist_lw_callback, artist_list);
650 artist_repaint();
651 return true;
653 case LIST_ALBUMS:
654 screen_find(browser.lw, album_list->len + 2,
655 cmd, artist_lw_callback, album_list);
656 artist_repaint();
657 return true;
659 case LIST_SONGS:
660 /* handled by browser_cmd() */
661 break;
662 }
664 break;
666 default:
667 break;
668 }
670 if (artist_lw_cmd(c, cmd)) {
671 if (screen_is_visible(&screen_artist))
672 artist_repaint();
673 return true;
674 }
676 return false;
677 }
679 const struct screen_functions screen_artist = {
680 .init = init,
681 .exit = quit,
682 .open = open,
683 .resize = resize,
684 .paint = paint,
685 .cmd = artist_cmd,
686 .get_title = get_title,
687 };