feff1f7ae08f5b60c1ea381f4e257447d9b89564
1 /*
2 * (c) 2004 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 "config.h"
20 #include "i18n.h"
21 #include "charset.h"
22 #include "options.h"
23 #include "support.h"
24 #include "mpdclient.h"
25 #include "utils.h"
26 #include "strfsong.h"
27 #include "wreadln.h"
28 #include "command.h"
29 #include "colors.h"
30 #include "screen.h"
31 #include "screen_utils.h"
32 #include "screen_play.h"
34 #include <ctype.h>
35 #include <stdlib.h>
36 #include <string.h>
37 #include <time.h>
38 #include <glib.h>
40 #define MAX_SONG_LENGTH 512
42 #ifndef NCMPC_MINI
43 typedef struct
44 {
45 GList **list;
46 GList **dir_list;
47 mpdclient_t *c;
48 } completion_callback_data_t;
49 #endif
51 static struct mpdclient_playlist *playlist;
52 static int current_song_id = -1;
53 static list_window_t *lw = NULL;
54 static guint timer_hide_cursor_id;
56 static void
57 play_paint(void);
59 static void
60 playlist_repaint(void)
61 {
62 play_paint();
63 wrefresh(lw->w);
64 }
66 static void
67 playlist_repaint_if_active(void)
68 {
69 if (screen_is_visible(&screen_playlist))
70 playlist_repaint();
71 }
73 static void
74 playlist_changed_callback(mpdclient_t *c, int event, gpointer data)
75 {
76 switch (event) {
77 case PLAYLIST_EVENT_DELETE:
78 break;
79 case PLAYLIST_EVENT_MOVE:
80 lw->selected = *((int *) data);
81 if (lw->selected < lw->start)
82 lw->start--;
83 break;
84 default:
85 break;
86 }
88 list_window_check_selected(lw, c->playlist.list->len);
89 playlist_repaint_if_active();
90 }
92 static const char *
93 list_callback(unsigned idx, bool *highlight, G_GNUC_UNUSED void *data)
94 {
95 static char songname[MAX_SONG_LENGTH];
96 #ifndef NCMPC_MINI
97 static scroll_state_t st;
98 #endif
99 mpd_Song *song;
101 if (playlist == NULL || idx >= playlist_length(playlist))
102 return NULL;
104 song = playlist_get(playlist, idx);
105 if (song->id == current_song_id)
106 *highlight = true;
108 strfsong(songname, MAX_SONG_LENGTH, options.list_format, song);
110 #ifndef NCMPC_MINI
111 if (options.scroll && (unsigned)song->pos == lw->selected &&
112 utf8_width(songname) > (unsigned)COLS) {
113 static unsigned current_song;
114 char *tmp;
116 if (current_song != lw->selected) {
117 st.offset = 0;
118 current_song = lw->selected;
119 }
121 tmp = strscroll(songname, options.scroll_sep,
122 MAX_SONG_LENGTH, &st);
123 g_strlcpy(songname, tmp, MAX_SONG_LENGTH);
124 g_free(tmp);
125 } else if ((unsigned)song->pos == lw->selected)
126 st.offset = 0;
127 #endif
129 return songname;
130 }
132 static void
133 center_playing_item(mpdclient_t *c)
134 {
135 unsigned length = c->playlist.list->len;
136 unsigned offset = lw->selected - lw->start;
137 int idx;
139 if (!c->song || length < lw->rows ||
140 c->status == NULL || IS_STOPPED(c->status->state))
141 return;
143 /* try to center the song that are playing */
144 idx = playlist_get_index(c, c->song);
145 if (idx < 0)
146 return;
148 list_window_center(lw, length, idx);
150 /* make sure the cursor is in the window */
151 lw->selected = lw->start+offset;
152 list_window_check_selected(lw, length);
153 }
155 #ifndef NCMPC_MINI
156 static void
157 save_pre_completion_cb(GCompletion *gcmp, G_GNUC_UNUSED gchar *line,
158 void *data)
159 {
160 completion_callback_data_t *tmp = (completion_callback_data_t *)data;
161 GList **list = tmp->list;
162 mpdclient_t *c = tmp->c;
164 if( *list == NULL ) {
165 /* create completion list */
166 *list = gcmp_list_from_path(c, "", NULL, GCMP_TYPE_PLAYLIST);
167 g_completion_add_items(gcmp, *list);
168 }
169 }
171 static void
172 save_post_completion_cb(G_GNUC_UNUSED GCompletion *gcmp,
173 G_GNUC_UNUSED gchar *line, GList *items,
174 G_GNUC_UNUSED void *data)
175 {
176 if (g_list_length(items) >= 1)
177 screen_display_completion_list(items);
178 }
179 #endif
181 #ifndef NCMPC_MINI
182 /**
183 * Wrapper for strncmp(). We are not allowed to pass &strncmp to
184 * g_completion_set_compare(), because strncmp() takes size_t where
185 * g_completion_set_compare passes a gsize value.
186 */
187 static gint
188 completion_strncmp(const gchar *s1, const gchar *s2, gsize n)
189 {
190 return strncmp(s1, s2, n);
191 }
192 #endif
194 int
195 playlist_save(mpdclient_t *c, char *name, char *defaultname)
196 {
197 gchar *filename, *filename_utf8;
198 gint error;
199 #ifndef NCMPC_MINI
200 GCompletion *gcmp;
201 GList *list = NULL;
202 completion_callback_data_t data;
203 #endif
205 #ifdef NCMPC_MINI
206 (void)defaultname;
207 #endif
209 #ifndef NCMPC_MINI
210 if (name == NULL) {
211 /* initialize completion support */
212 gcmp = g_completion_new(NULL);
213 g_completion_set_compare(gcmp, completion_strncmp);
214 data.list = &list;
215 data.dir_list = NULL;
216 data.c = c;
217 wrln_completion_callback_data = &data;
218 wrln_pre_completion_callback = save_pre_completion_cb;
219 wrln_post_completion_callback = save_post_completion_cb;
222 /* query the user for a filename */
223 filename = screen_readln(screen.status_window.w,
224 _("Save playlist as: "),
225 defaultname,
226 NULL,
227 gcmp);
229 /* destroy completion support */
230 wrln_completion_callback_data = NULL;
231 wrln_pre_completion_callback = NULL;
232 wrln_post_completion_callback = NULL;
233 g_completion_free(gcmp);
234 list = string_list_free(list);
235 if( filename )
236 filename=g_strstrip(filename);
237 } else
238 #endif
239 filename=g_strdup(name);
241 if (filename == NULL)
242 return -1;
244 /* send save command to mpd */
246 filename_utf8 = locale_to_utf8(filename);
247 error = mpdclient_cmd_save_playlist(c, filename_utf8);
248 g_free(filename_utf8);
250 if (error) {
251 gint code = GET_ACK_ERROR_CODE(error);
253 if (code == MPD_ACK_ERROR_EXIST) {
254 char *buf;
255 int key;
257 buf = g_strdup_printf(_("Replace %s [%s/%s] ? "),
258 filename, YES, NO);
259 key = tolower(screen_getch(screen.status_window.w,
260 buf));
261 g_free(buf);
263 if (key == YES[0]) {
264 filename_utf8 = locale_to_utf8(filename);
265 error = mpdclient_cmd_delete_playlist(c, filename_utf8);
266 g_free(filename_utf8);
268 if (error) {
269 g_free(filename);
270 return -1;
271 }
273 error = playlist_save(c, filename, NULL);
274 g_free(filename);
275 return error;
276 }
278 screen_status_printf(_("Aborted"));
279 }
281 g_free(filename);
282 return -1;
283 }
285 /* success */
286 screen_status_printf(_("Saved %s"), filename);
287 g_free(filename);
288 return 0;
289 }
291 #ifndef NCMPC_MINI
292 static void add_dir(GCompletion *gcmp, gchar *dir, GList **dir_list,
293 GList **list, mpdclient_t *c)
294 {
295 g_completion_remove_items(gcmp, *list);
296 *list = string_list_remove(*list, dir);
297 *list = gcmp_list_from_path(c, dir, *list, GCMP_TYPE_RFILE);
298 g_completion_add_items(gcmp, *list);
299 *dir_list = g_list_append(*dir_list, g_strdup(dir));
300 }
302 static void add_pre_completion_cb(GCompletion *gcmp, gchar *line, void *data)
303 {
304 completion_callback_data_t *tmp = (completion_callback_data_t *)data;
305 GList **dir_list = tmp->dir_list;
306 GList **list = tmp->list;
307 mpdclient_t *c = tmp->c;
309 if (*list == NULL) {
310 /* create initial list */
311 *list = gcmp_list_from_path(c, "", NULL, GCMP_TYPE_RFILE);
312 g_completion_add_items(gcmp, *list);
313 } else if (line && line[0] && line[strlen(line)-1]=='/' &&
314 string_list_find(*dir_list, line) == NULL) {
315 /* add directory content to list */
316 add_dir(gcmp, line, dir_list, list, c);
317 }
318 }
320 static void add_post_completion_cb(GCompletion *gcmp, gchar *line,
321 GList *items, void *data)
322 {
323 completion_callback_data_t *tmp = (completion_callback_data_t *)data;
324 GList **dir_list = tmp->dir_list;
325 GList **list = tmp->list;
326 mpdclient_t *c = tmp->c;
328 if (g_list_length(items) >= 1)
329 screen_display_completion_list(items);
331 if (line && line[0] && line[strlen(line) - 1] == '/' &&
332 string_list_find(*dir_list, line) == NULL) {
333 /* add directory content to list */
334 add_dir(gcmp, line, dir_list, list, c);
335 }
336 }
337 #endif
339 static int
340 handle_add_to_playlist(mpdclient_t *c)
341 {
342 gchar *path;
343 #ifndef NCMPC_MINI
344 GCompletion *gcmp;
345 GList *list = NULL;
346 GList *dir_list = NULL;
347 completion_callback_data_t data;
349 /* initialize completion support */
350 gcmp = g_completion_new(NULL);
351 g_completion_set_compare(gcmp, completion_strncmp);
352 data.list = &list;
353 data.dir_list = &dir_list;
354 data.c = c;
355 wrln_completion_callback_data = &data;
356 wrln_pre_completion_callback = add_pre_completion_cb;
357 wrln_post_completion_callback = add_post_completion_cb;
358 #endif
360 /* get path */
361 path = screen_readln(screen.status_window.w,
362 _("Add: "),
363 NULL,
364 NULL,
365 #ifdef NCMPC_MINI
366 NULL
367 #else
368 gcmp
369 #endif
370 );
372 /* destroy completion data */
373 #ifndef NCMPC_MINI
374 wrln_completion_callback_data = NULL;
375 wrln_pre_completion_callback = NULL;
376 wrln_post_completion_callback = NULL;
377 g_completion_free(gcmp);
378 string_list_free(list);
379 string_list_free(dir_list);
380 #endif
382 /* add the path to the playlist */
383 if (path != NULL) {
384 char *path_utf8 = locale_to_utf8(path);
385 mpdclient_cmd_add_path(c, path_utf8);
386 g_free(path_utf8);
387 }
389 g_free(path);
390 return 0;
391 }
393 static void
394 play_init(WINDOW *w, int cols, int rows)
395 {
396 lw = list_window_init(w, cols, rows);
397 }
399 static gboolean
400 timer_hide_cursor(gpointer data)
401 {
402 struct mpdclient *c = data;
404 assert(options.hide_cursor > 0);
405 assert(timer_hide_cursor_id != 0);
407 timer_hide_cursor_id = 0;
409 /* hide the cursor when mpd is playing and the user is inactive */
411 if (c->status != NULL && c->status->state == MPD_STATUS_STATE_PLAY) {
412 lw->hide_cursor = true;
413 playlist_repaint();
414 } else
415 timer_hide_cursor_id = g_timeout_add(options.hide_cursor * 1000,
416 timer_hide_cursor, c);
418 return FALSE;
419 }
421 static void
422 play_open(mpdclient_t *c)
423 {
424 static gboolean install_cb = TRUE;
426 playlist = &c->playlist;
428 assert(timer_hide_cursor_id == 0);
429 if (options.hide_cursor > 0) {
430 lw->hide_cursor = false;
431 timer_hide_cursor_id = g_timeout_add(options.hide_cursor * 1000,
432 timer_hide_cursor, c);
433 }
435 if (install_cb) {
436 mpdclient_install_playlist_callback(c, playlist_changed_callback);
437 install_cb = FALSE;
438 }
439 }
441 static void
442 play_close(void)
443 {
444 if (timer_hide_cursor_id != 0) {
445 g_source_remove(timer_hide_cursor_id);
446 timer_hide_cursor_id = 0;
447 }
448 }
450 static void
451 play_resize(int cols, int rows)
452 {
453 lw->cols = cols;
454 lw->rows = rows;
455 }
458 static void
459 play_exit(void)
460 {
461 list_window_free(lw);
462 }
464 static const char *
465 play_title(char *str, size_t size)
466 {
467 if( strcmp(options.host, "localhost") == 0 )
468 return _("Playlist");
470 g_snprintf(str, size, _("Playlist on %s"), options.host);
471 return str;
472 }
474 static void
475 play_paint(void)
476 {
477 list_window_paint(lw, list_callback, NULL);
478 }
480 static void
481 play_update(mpdclient_t *c)
482 {
483 static int prev_song_id = -1;
485 current_song_id = c->song != NULL && c->status != NULL &&
486 !IS_STOPPED(c->status->state) ? c->song->id : -1;
488 if (current_song_id != prev_song_id) {
489 prev_song_id = current_song_id;
491 /* center the cursor */
492 if (options.auto_center && current_song_id != -1)
493 center_playing_item(c);
495 playlist_repaint();
496 #ifndef NCMPC_MINI
497 } else if (options.scroll) {
498 /* always repaint if horizontal scrolling is
499 enabled */
500 playlist_repaint();
501 #endif
502 }
503 }
505 #ifdef HAVE_GETMOUSE
506 static bool
507 handle_mouse_event(struct mpdclient *c)
508 {
509 int row;
510 unsigned selected;
511 unsigned long bstate;
513 if (screen_get_mouse_event(c, &bstate, &row) ||
514 list_window_mouse(lw, playlist_length(playlist), bstate, row)) {
515 playlist_repaint();
516 return true;
517 }
519 if (bstate & BUTTON1_DOUBLE_CLICKED) {
520 /* stop */
521 screen_cmd(c, CMD_STOP);
522 return true;
523 }
525 selected = lw->start + row;
527 if (bstate & BUTTON1_CLICKED) {
528 /* play */
529 if (lw->start + row < playlist_length(playlist))
530 mpdclient_cmd_play(c, lw->start + row);
531 } else if (bstate & BUTTON3_CLICKED) {
532 /* delete */
533 if (selected == lw->selected)
534 mpdclient_cmd_delete(c, lw->selected);
535 }
537 lw->selected = selected;
538 list_window_check_selected(lw, playlist_length(playlist));
539 playlist_repaint();
541 return true;
542 }
543 #endif
545 static bool
546 play_cmd(mpdclient_t *c, command_t cmd)
547 {
548 lw->hide_cursor = false;
550 if (options.hide_cursor > 0) {
551 if (timer_hide_cursor_id != 0)
552 g_source_remove(timer_hide_cursor_id);
553 timer_hide_cursor_id = g_timeout_add(options.hide_cursor * 1000,
554 timer_hide_cursor, c);
555 }
557 if (list_window_cmd(lw, playlist_length(&c->playlist), cmd)) {
558 playlist_repaint();
559 return true;
560 }
562 switch(cmd) {
563 case CMD_PLAY:
564 mpdclient_cmd_play(c, lw->selected);
565 return true;
566 case CMD_DELETE:
567 mpdclient_cmd_delete(c, lw->selected);
568 return true;
569 case CMD_SAVE_PLAYLIST:
570 playlist_save(c, NULL, NULL);
571 return true;
572 case CMD_ADD:
573 handle_add_to_playlist(c);
574 return true;
575 case CMD_SCREEN_UPDATE:
576 center_playing_item(c);
577 playlist_repaint();
578 return false;
580 case CMD_LIST_MOVE_UP:
581 mpdclient_cmd_move(c, lw->selected, lw->selected-1);
582 return true;
583 case CMD_LIST_MOVE_DOWN:
584 mpdclient_cmd_move(c, lw->selected, lw->selected+1);
585 return true;
586 case CMD_LIST_FIND:
587 case CMD_LIST_RFIND:
588 case CMD_LIST_FIND_NEXT:
589 case CMD_LIST_RFIND_NEXT:
590 screen_find(lw, playlist_length(&c->playlist),
591 cmd, list_callback, NULL);
592 playlist_repaint();
593 return true;
595 #ifdef HAVE_GETMOUSE
596 case CMD_MOUSE_EVENT:
597 return handle_mouse_event(c);
598 #endif
600 #ifdef ENABLE_SONG_SCREEN
601 case CMD_VIEW:
602 if (lw->selected < playlist_length(&c->playlist)) {
603 screen_song_switch(c, playlist_get(&c->playlist, lw->selected));
604 return true;
605 }
607 break;
608 #endif
610 case CMD_LOCATE:
611 if (lw->selected < playlist_length(&c->playlist)) {
612 screen_file_goto_song(c, playlist_get(&c->playlist, lw->selected));
613 return true;
614 }
616 break;
618 #ifdef ENABLE_LYRICS_SCREEN
619 case CMD_SCREEN_LYRICS:
620 if (lw->selected < playlist_length(&c->playlist)) {
621 screen_lyrics_switch(c, playlist_get(&c->playlist, lw->selected));
622 return true;
623 }
625 break;
626 #endif
628 default:
629 break;
630 }
632 return false;
633 }
635 const struct screen_functions screen_playlist = {
636 .init = play_init,
637 .exit = play_exit,
638 .open = play_open,
639 .close = play_close,
640 .resize = play_resize,
641 .paint = play_paint,
642 .update = play_update,
643 .cmd = play_cmd,
644 .get_title = play_title,
645 };