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 "ncmpc.h"
20 #include "options.h"
21 #include "support.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"
29 #include "gcc.h"
31 #include <ctype.h>
32 #include <stdlib.h>
33 #include <string.h>
34 #include <glib.h>
35 #include <ncurses.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 artist_lw_callback(unsigned idx, mpd_unused int *highlight, mpd_unused void *data)
65 {
66 GPtrArray *list = data;
67 static char buf[BUFSIZE];
68 char *str, *str_utf8;
70 if (mode == LIST_ALBUMS) {
71 if (idx == 0)
72 return "[..]";
73 else if (idx == list->len + 1) {
74 str = utf8_to_locale(_("All tracks"));
75 g_snprintf(buf, BUFSIZE, "[%s]", str);
76 g_free(str);
77 return buf;
78 }
80 --idx;
81 }
83 if (idx >= list->len)
84 return NULL;
86 str_utf8 = g_ptr_array_index(list, idx);
87 assert(str_utf8 != NULL);
89 str = utf8_to_locale(str_utf8);
90 g_snprintf(buf, BUFSIZE, "[%s]", str);
91 g_free(str);
93 return buf;
94 }
96 static void
97 paint(mpdclient_t *c);
99 static void
100 artist_repaint(void)
101 {
102 paint(NULL);
103 wrefresh(browser.lw->w);
104 }
106 static void
107 artist_repaint_if_active(void)
108 {
109 if (screen_is_visible(&screen_artist))
110 artist_repaint();
111 }
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 }
122 static GPtrArray *
123 g_list_to_ptr_array(GList *in)
124 {
125 GPtrArray *out = g_ptr_array_sized_new(g_list_length(in));
126 GList *head = in;
128 while (in != NULL) {
129 g_ptr_array_add(out, in->data);
130 in = g_list_next(in);
131 }
133 g_list_free(head);
134 return out;
135 }
137 static void
138 string_array_free(GPtrArray *array)
139 {
140 unsigned i;
142 for (i = 0; i < array->len; ++i) {
143 char *value = g_ptr_array_index(array, i);
144 free(value);
145 }
147 g_ptr_array_free(array, TRUE);
148 }
150 static void
151 free_lists(struct mpdclient *c)
152 {
153 if (artist_list != NULL) {
154 string_array_free(artist_list);
155 artist_list = NULL;
156 }
158 if (album_list != NULL) {
159 string_array_free(album_list);
160 album_list = NULL;
161 }
163 if (browser.filelist) {
164 if (c != NULL)
165 mpdclient_remove_playlist_callback(c, playlist_changed_callback);
166 filelist_free(browser.filelist);
167 browser.filelist = NULL;
168 }
169 }
171 static void
172 load_artist_list(struct mpdclient *c)
173 {
174 GList *list;
176 assert(mode == LIST_ARTISTS);
177 assert(artist == NULL);
178 assert(album == NULL);
179 assert(artist_list == NULL);
180 assert(album_list == NULL);
181 assert(browser.filelist == NULL);
183 list = mpdclient_get_artists_utf8(c);
184 /* sort list */
185 list = g_list_sort(list, compare_utf8);
187 artist_list = g_list_to_ptr_array(list);
188 }
190 static void
191 load_album_list(struct mpdclient *c)
192 {
193 GList *list;
195 assert(mode == LIST_ALBUMS);
196 assert(artist != NULL);
197 assert(album == NULL);
198 assert(album_list == NULL);
199 assert(browser.filelist == NULL);
201 list = mpdclient_get_albums_utf8(c, artist);
202 /* sort list */
203 list = g_list_sort(list, compare_utf8);
205 album_list = g_list_to_ptr_array(list);
206 }
208 static void
209 load_song_list(struct mpdclient *c)
210 {
211 assert(mode == LIST_SONGS);
212 assert(artist != NULL);
213 assert(album != NULL);
214 assert(browser.filelist == NULL);
216 if (album[0] == 0) {
217 album = g_strdup(_("All tracks"));
218 browser.filelist =
219 mpdclient_filelist_search_utf8(c, TRUE,
220 MPD_TABLE_ARTIST,
221 artist);
222 } else
223 browser.filelist =
224 mpdclient_filelist_search_utf8(c, TRUE,
225 MPD_TABLE_ALBUM,
226 album);
227 if (browser.filelist == NULL)
228 browser.filelist = filelist_new(NULL);
230 /* add a dummy entry for ".." */
231 filelist_prepend(browser.filelist, NULL);
233 /* install playlist callback and fix highlights */
234 sync_highlights(c, browser.filelist);
235 mpdclient_install_playlist_callback(c, playlist_changed_callback);
236 }
238 static void
239 free_state(struct mpdclient *c)
240 {
241 g_free(artist);
242 g_free(album);
243 artist = NULL;
244 album = NULL;
246 free_lists(c);
247 }
249 static void
250 open_artist_list(struct mpdclient *c)
251 {
252 free_state(c);
254 mode = LIST_ARTISTS;
255 load_artist_list(c);
256 }
258 static void
259 open_album_list(struct mpdclient *c, char *_artist)
260 {
261 assert(_artist != NULL);
263 free_state(c);
265 mode = LIST_ALBUMS;
266 artist = _artist;
267 load_album_list(c);
268 }
270 static void
271 open_song_list(struct mpdclient *c, char *_artist, char *_album)
272 {
273 assert(_artist != NULL);
274 assert(_album != NULL);
276 free_state(c);
278 mode = LIST_SONGS;
279 artist = _artist;
280 album = _album;
281 load_song_list(c);
282 }
284 static void
285 reload_lists(struct mpdclient *c)
286 {
287 free_lists(c);
289 switch (mode) {
290 case LIST_ARTISTS:
291 load_artist_list(c);
292 break;
294 case LIST_ALBUMS:
295 load_album_list(c);
296 break;
298 case LIST_SONGS:
299 load_song_list(c);
300 break;
301 }
302 }
304 /* db updated */
305 static void
306 browse_callback(mpdclient_t *c, int event, mpd_unused gpointer data)
307 {
308 switch(event) {
309 case BROWSE_DB_UPDATED:
310 D("screen_artist.c> browse_callback() [BROWSE_DB_UPDATED]\n");
311 reload_lists(c);
312 break;
313 default:
314 break;
315 }
317 artist_repaint_if_active();
318 }
320 static void
321 init(WINDOW *w, int cols, int rows)
322 {
323 browser.lw = list_window_init(w, cols, rows);
324 browser.lw_state = list_window_init_state();
325 artist = NULL;
326 album = NULL;
327 }
329 static void
330 quit(void)
331 {
332 free_state(NULL);
333 list_window_free(browser.lw);
334 list_window_free_state(browser.lw_state);
335 }
337 static void
338 open(mpd_unused screen_t *screen, mpdclient_t *c)
339 {
340 static gboolean callback_installed = FALSE;
342 if (artist_list == NULL && album_list == NULL &&
343 browser.filelist == NULL)
344 reload_lists(c);
345 if (!callback_installed) {
346 mpdclient_install_browse_callback(c, browse_callback);
347 callback_installed = TRUE;
348 }
349 }
351 static void
352 resize(int cols, int rows)
353 {
354 browser.lw->cols = cols;
355 browser.lw->rows = rows;
356 }
358 static void
359 paint(mpd_unused mpdclient_t *c)
360 {
361 if (browser.filelist) {
362 list_window_paint(browser.lw, browser_lw_callback,
363 browser.filelist);
364 } else if (album_list != NULL)
365 list_window_paint(browser.lw, artist_lw_callback, album_list);
366 else if (artist_list != NULL)
367 list_window_paint(browser.lw, artist_lw_callback, artist_list);
368 else {
369 wmove(browser.lw->w, 0, 0);
370 wclrtobot(browser.lw->w);
371 }
372 }
374 static const char *
375 get_title(char *str, size_t size)
376 {
377 char *s1 = artist ? utf8_to_locale(artist) : NULL;
378 char *s2 = album ? utf8_to_locale(album) : NULL;
380 switch(mode) {
381 case LIST_ARTISTS:
382 g_snprintf(str, size, _("Artist: [db browser - EXPERIMENTAL]"));
383 break;
384 case LIST_ALBUMS:
385 g_snprintf(str, size, _("Artist: %s"), s1);
386 break;
387 case LIST_SONGS:
388 g_snprintf(str, size, _("Artist: %s - %s"), s1, s2);
389 break;
390 }
391 g_free(s1);
392 g_free(s2);
393 return str;
394 }
396 static void
397 add_query(mpdclient_t *c, int table, char *_filter)
398 {
399 char *str;
400 mpdclient_filelist_t *addlist;
402 assert(filter != NULL);
404 str = utf8_to_locale(_filter);
405 if (table== MPD_TABLE_ALBUM)
406 screen_status_printf("Adding album %s...", str);
407 else
408 screen_status_printf("Adding %s...", str);
409 g_free(str);
411 addlist = mpdclient_filelist_search_utf8(c, TRUE, table, _filter);
412 if (addlist) {
413 mpdclient_filelist_add_all(c, addlist);
414 filelist_free(addlist);
415 }
416 }
418 static unsigned
419 metalist_length(void)
420 {
421 assert(mode != LIST_ARTISTS || artist_list != NULL);
422 assert(mode != LIST_ALBUMS || album_list != NULL);
424 return mode == LIST_ALBUMS
425 ? album_list->len + 2
426 : artist_list->len;
427 }
429 static int
430 artist_lw_cmd(command_t cmd)
431 {
432 switch (mode) {
433 case LIST_ARTISTS:
434 case LIST_ALBUMS:
435 return list_window_cmd(browser.lw, metalist_length(), cmd);
437 case LIST_SONGS:
438 return list_window_cmd(browser.lw,
439 filelist_length(browser.filelist),
440 cmd);
441 }
443 assert(0);
444 return 0;
445 }
447 static int
448 artist_cmd(screen_t *screen, mpdclient_t *c, command_t cmd)
449 {
450 char *selected;
451 int ret;
453 if (artist_lw_cmd(cmd)) {
454 artist_repaint();
455 wrefresh(browser.lw->w);
456 return 1;
457 }
459 switch(cmd) {
460 case CMD_PLAY:
461 switch (mode) {
462 case LIST_ARTISTS:
463 selected = g_ptr_array_index(artist_list,
464 browser.lw->selected);
465 open_album_list(c, g_strdup(selected));
466 list_window_push_state(browser.lw_state, browser.lw);
468 artist_repaint();
469 break;
471 case LIST_ALBUMS:
472 if (browser.lw->selected == 0) {
473 /* handle ".." */
475 open_artist_list(c);
476 list_window_reset(browser.lw);
477 /* restore previous list window state */
478 list_window_pop_state(browser.lw_state, browser.lw);
479 } else if (browser.lw->selected == album_list->len + 1) {
480 /* handle "show all" */
481 open_song_list(c, g_strdup(artist), g_strdup("\0"));
482 list_window_push_state(browser.lw_state, browser.lw);
483 } else {
484 /* select album */
485 selected = g_ptr_array_index(album_list,
486 browser.lw->selected - 1);
487 open_song_list(c, g_strdup(artist), g_strdup(selected));
488 list_window_push_state(browser.lw_state, browser.lw);
489 }
491 artist_repaint();
492 break;
494 case LIST_SONGS:
495 if (browser.lw->selected == 0) {
496 /* handle ".." */
498 open_album_list(c, g_strdup(artist));
499 list_window_reset(browser.lw);
500 /* restore previous list window state */
501 list_window_pop_state(browser.lw_state,
502 browser.lw);
504 artist_repaint();
505 } else
506 browser_handle_enter(&browser, c);
507 break;
508 }
509 return 1;
512 /* FIXME? CMD_GO_* handling duplicates code from CMD_PLAY */
514 case CMD_GO_PARENT_DIRECTORY:
515 switch (mode) {
516 case LIST_ARTISTS:
517 break;
519 case LIST_ALBUMS:
520 open_artist_list(c);
521 list_window_reset(browser.lw);
522 /* restore previous list window state */
523 list_window_pop_state(browser.lw_state, browser.lw);
524 break;
526 case LIST_SONGS:
527 open_album_list(c, g_strdup(artist));
528 list_window_reset(browser.lw);
529 /* restore previous list window state */
530 list_window_pop_state(browser.lw_state, browser.lw);
531 break;
532 }
534 artist_repaint();
535 break;
537 case CMD_GO_ROOT_DIRECTORY:
538 switch (mode) {
539 case LIST_ARTISTS:
540 break;
542 case LIST_ALBUMS:
543 case LIST_SONGS:
544 open_artist_list(c);
545 list_window_reset(browser.lw);
546 /* restore first list window state (pop while returning true) */
547 while(list_window_pop_state(browser.lw_state, browser.lw));
548 break;
549 }
551 artist_repaint();
552 break;
554 case CMD_SELECT:
555 case CMD_ADD:
556 switch(mode) {
557 case LIST_ARTISTS:
558 selected = g_ptr_array_index(artist_list,
559 browser.lw->selected);
560 add_query(c, MPD_TABLE_ARTIST, selected);
561 cmd = CMD_LIST_NEXT; /* continue and select next item... */
562 break;
564 case LIST_ALBUMS:
565 if (browser.lw->selected == album_list->len + 1)
566 add_query(c, MPD_TABLE_ARTIST, artist);
567 else if (browser.lw->selected > 0) {
568 selected = g_ptr_array_index(album_list,
569 browser.lw->selected - 1);
570 add_query(c, MPD_TABLE_ALBUM, selected);
571 cmd = CMD_LIST_NEXT; /* continue and select next item... */
572 }
573 break;
575 case LIST_SONGS:
576 ret = cmd == CMD_SELECT
577 ? browser_handle_select(&browser, c)
578 : browser_handle_add(&browser, c);
579 if (ret == 0)
580 /* continue and select next item... */
581 cmd = CMD_LIST_NEXT;
582 break;
583 }
584 break;
586 /* continue and update... */
587 case CMD_SCREEN_UPDATE:
588 reload_lists(c);
589 screen_status_printf(_("Screen updated!"));
590 return 0;
592 case CMD_LIST_FIND:
593 case CMD_LIST_RFIND:
594 case CMD_LIST_FIND_NEXT:
595 case CMD_LIST_RFIND_NEXT:
596 switch (mode) {
597 case LIST_ARTISTS:
598 screen_find(screen,
599 browser.lw, artist_list->len,
600 cmd, artist_lw_callback, artist_list);
601 break;
603 case LIST_ALBUMS:
604 screen_find(screen,
605 browser.lw, album_list->len + 2,
606 cmd, artist_lw_callback, album_list);
607 break;
609 case LIST_SONGS:
610 screen_find(screen,
611 browser.lw,
612 filelist_length(browser.filelist),
613 cmd, browser_lw_callback,
614 browser.filelist);
615 break;
616 }
618 artist_repaint();
619 return 1;
621 case CMD_MOUSE_EVENT:
622 return browser_handle_mouse_event(&browser, c);
624 default:
625 break;
626 }
628 return 0;
629 }
631 const struct screen_functions screen_artist = {
632 .init = init,
633 .exit = quit,
634 .open = open,
635 .resize = resize,
636 .paint = paint,
637 .cmd = artist_cmd,
638 .get_title = get_title,
639 };