src/screen_play.c

   1 /* ncmpc (Ncurses MPD Client)
   2  * (c) 2004-2009 The Music Player Daemon Project
   3  * Project homepage: http://musicpd.org
   4
   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.
   9
  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.
  14
  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 */
  19
  20 #include "config.h"
  21 #include "i18n.h"
  22 #include "charset.h"
  23 #include "options.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"
  33
  34 #ifndef NCMPC_MINI
  35 #include "hscroll.h"
  36 #endif
  37
  38 #include <mpd/client.h>
  39
  40 #include <ctype.h>
  41 #include <stdlib.h>
  42 #include <string.h>
  43 #include <time.h>
  44 #include <glib.h>
  45
  46 #define MAX_SONG_LENGTH 512
  47
  48 #ifndef NCMPC_MINI
  49 typedef struct
  50 {
  51         GList **list;
  52         GList **dir_list;
  53         struct mpdclient *c;
  54 } completion_callback_data_t;
  55 #endif
  56
  57 static struct mpdclient_playlist *playlist;
  58 static int current_song_id = -1;
  59 static list_window_t *lw = NULL;
  60 static guint timer_hide_cursor_id;
  61
  62 static void
  63 play_paint(void);
  64
  65 static void
  66 playlist_repaint(void)
  67 {
  68         play_paint();
  69         wrefresh(lw->w);
  70 }
  71
  72 static void
  73 playlist_repaint_if_active(void)
  74 {
  75         if (screen_is_visible(&screen_playlist))
  76                 playlist_repaint();
  77 }
  78
  79 static void
  80 playlist_changed_callback(struct mpdclient *c, int event, gpointer data)
  81 {
  82         switch (event) {
  83         case PLAYLIST_EVENT_DELETE:
  84                 break;
  85         case PLAYLIST_EVENT_MOVE:
  86                 if(lw->range_selection < 0)
  87                 {
  88                         lw->selected = *((int *) data);
  89                         if (lw->selected < lw->start)
  90                                 lw->start--;
  91                 }
  92                 break;
  93         default:
  94                 break;
  95         }
  96
  97         list_window_check_selected(lw, c->playlist.list->len);
  98         playlist_repaint_if_active();
  99 }
 100
 101 #ifndef NCMPC_MINI
 102 static char *
 103 format_duration(unsigned duration)
 104 {
 105         if (duration == 0)
 106                 return NULL;
 107
 108         return g_strdup_printf("%d:%02d", duration / 60, duration % 60);
 109 }
 110 #endif
 111
 112 static const char *
 113 list_callback(unsigned idx, bool *highlight, char **second_column, G_GNUC_UNUSED void *data)
 114 {
 115         static char songname[MAX_SONG_LENGTH];
 116 #ifndef NCMPC_MINI
 117         static scroll_state_t st;
 118 #endif
 119         struct mpd_song *song;
 120
 121         if (playlist == NULL || idx >= playlist_length(playlist))
 122                 return NULL;
 123
 124         song = playlist_get(playlist, idx);
 125         if ((int)mpd_song_get_id(song) == current_song_id)
 126                 *highlight = true;
 127
 128         strfsong(songname, MAX_SONG_LENGTH, options.list_format, song);
 129
 130 #ifndef NCMPC_MINI
 131         if(second_column)
 132                 *second_column = format_duration(mpd_song_get_duration(song));
 133
 134         if (idx == lw->selected)
 135         {
 136                 int second_column_len = 0;
 137                 if (second_column != NULL && *second_column != NULL)
 138                         second_column_len = strlen(*second_column);
 139                 if (options.scroll && utf8_width(songname) > (unsigned)(COLS - second_column_len - 1) )
 140                 {
 141                         static unsigned current_song;
 142                         char *tmp;
 143
 144                         if (current_song != lw->selected) {
 145                                 st.offset = 0;
 146                                 current_song = lw->selected;
 147                         }
 148
 149                         tmp = strscroll(songname, options.scroll_sep,
 150                                         MAX_SONG_LENGTH, &st);
 151                         g_strlcpy(songname, tmp, MAX_SONG_LENGTH);
 152                         g_free(tmp);
 153                 }
 154                 else
 155                         st.offset = 0;
 156         }
 157 #else
 158         (void)second_column;
 159 #endif
 160
 161         return songname;
 162 }
 163
 164 static void
 165 center_playing_item(struct mpdclient *c, bool center_cursor)
 166 {
 167         unsigned length = c->playlist.list->len;
 168         int idx;
 169
 170         if (!c->song || c->status == NULL ||
 171             IS_STOPPED(mpd_status_get_state(c->status)))
 172                 return;
 173
 174         /* try to center the song that are playing */
 175         idx = playlist_get_index(c, c->song);
 176         if (idx < 0)
 177                 return;
 178
 179         if (length < lw->rows)
 180         {
 181                 if (center_cursor)
 182                         list_window_set_selected(lw, idx);
 183                 return;
 184         }
 185
 186         list_window_center(lw, length, idx);
 187
 188         if (center_cursor) {
 189                 list_window_set_selected(lw, idx);
 190                 return;
 191         }
 192
 193         /* make sure the cursor is in the window */
 194         if (lw->selected < lw->start + options.scroll_offset) {
 195                 if (lw->start > 0)
 196                         lw->selected = lw->start + options.scroll_offset;
 197                 if (lw->range_selection) {
 198                         lw->selected_start = lw->range_base;
 199                         lw->selected_end = lw->selected;
 200                 } else {
 201                         lw->selected_start = lw->selected;
 202                         lw->selected_end = lw->selected;
 203                 }
 204         } else if (lw->selected > lw->start + lw->rows - 1 - options.scroll_offset) {
 205                 if (lw->start + lw->rows < length)
 206                         lw->selected = lw->start + lw->rows - 1 - options.scroll_offset;
 207                 if (lw->range_selection) {
 208                         lw->selected_start = lw->selected;
 209                         lw->selected_end = lw->range_base;
 210                 } else {
 211                         lw->selected_start = lw->selected;
 212                         lw->selected_end = lw->selected;
 213                 }
 214         }
 215 }
 216
 217 #ifndef NCMPC_MINI
 218 static void
 219 save_pre_completion_cb(GCompletion *gcmp, G_GNUC_UNUSED gchar *line,
 220                        void *data)
 221 {
 222         completion_callback_data_t *tmp = (completion_callback_data_t *)data;
 223         GList **list = tmp->list;
 224         struct mpdclient *c = tmp->c;
 225
 226         if( *list == NULL ) {
 227                 /* create completion list */
 228                 *list = gcmp_list_from_path(c, "", NULL, GCMP_TYPE_PLAYLIST);
 229                 g_completion_add_items(gcmp, *list);
 230         }
 231 }
 232
 233 static void
 234 save_post_completion_cb(G_GNUC_UNUSED GCompletion *gcmp,
 235                         G_GNUC_UNUSED gchar *line, GList *items,
 236                         G_GNUC_UNUSED void *data)
 237 {
 238         if (g_list_length(items) >= 1)
 239                 screen_display_completion_list(items);
 240 }
 241 #endif
 242
 243 #ifndef NCMPC_MINI
 244 /**
 245  * Wrapper for strncmp().  We are not allowed to pass &strncmp to
 246  * g_completion_set_compare(), because strncmp() takes size_t where
 247  * g_completion_set_compare passes a gsize value.
 248  */
 249 static gint
 250 completion_strncmp(const gchar *s1, const gchar *s2, gsize n)
 251 {
 252         return strncmp(s1, s2, n);
 253 }
 254 #endif
 255
 256 int
 257 playlist_save(struct mpdclient *c, char *name, char *defaultname)
 258 {
 259         gchar *filename, *filename_utf8;
 260         gint error;
 261 #ifndef NCMPC_MINI
 262         GCompletion *gcmp;
 263         GList *list = NULL;
 264         completion_callback_data_t data;
 265 #endif
 266
 267 #ifdef NCMPC_MINI
 268         (void)defaultname;
 269 #endif
 270
 271 #ifndef NCMPC_MINI
 272         if (name == NULL) {
 273                 /* initialize completion support */
 274                 gcmp = g_completion_new(NULL);
 275                 g_completion_set_compare(gcmp, completion_strncmp);
 276                 data.list = &list;
 277                 data.dir_list = NULL;
 278                 data.c = c;
 279                 wrln_completion_callback_data = &data;
 280                 wrln_pre_completion_callback = save_pre_completion_cb;
 281                 wrln_post_completion_callback = save_post_completion_cb;
 282
 283
 284                 /* query the user for a filename */
 285                 filename = screen_readln(screen.status_window.w,
 286                                          _("Save playlist as"),
 287                                          defaultname,
 288                                          NULL,
 289                                          gcmp);
 290
 291                 /* destroy completion support */
 292                 wrln_completion_callback_data = NULL;
 293                 wrln_pre_completion_callback = NULL;
 294                 wrln_post_completion_callback = NULL;
 295                 g_completion_free(gcmp);
 296                 list = string_list_free(list);
 297                 if( filename )
 298                         filename=g_strstrip(filename);
 299         } else
 300 #endif
 301                         filename=g_strdup(name);
 302
 303         if (filename == NULL)
 304                 return -1;
 305
 306         /* send save command to mpd */
 307
 308         filename_utf8 = locale_to_utf8(filename);
 309         error = mpdclient_cmd_save_playlist(c, filename_utf8);
 310         g_free(filename_utf8);
 311
 312         if (error) {
 313                 gint code = GET_ACK_ERROR_CODE(error);
 314
 315                 if (code == MPD_SERVER_ERROR_EXIST) {
 316                         char *buf;
 317                         int key;
 318
 319                         buf = g_strdup_printf(_("Replace %s [%s/%s] ? "),
 320                                               filename, YES, NO);
 321                         key = tolower(screen_getch(screen.status_window.w,
 322                                                    buf));
 323                         g_free(buf);
 324
 325                         if (key == YES[0]) {
 326                                 filename_utf8 = locale_to_utf8(filename);
 327                                 error = mpdclient_cmd_delete_playlist(c, filename_utf8);
 328                                 g_free(filename_utf8);
 329
 330                                 if (error) {
 331                                         g_free(filename);
 332                                         return -1;
 333                                 }
 334
 335                                 error = playlist_save(c, filename, NULL);
 336                                 g_free(filename);
 337                                 return error;
 338                         }
 339
 340                         screen_status_printf(_("Aborted"));
 341                 }
 342
 343                 g_free(filename);
 344                 return -1;
 345         }
 346
 347         /* success */
 348         screen_status_printf(_("Saved %s"), filename);
 349         g_free(filename);
 350         return 0;
 351 }
 352
 353 #ifndef NCMPC_MINI
 354 static void add_dir(GCompletion *gcmp, gchar *dir, GList **dir_list,
 355                     GList **list, struct mpdclient *c)
 356 {
 357         g_completion_remove_items(gcmp, *list);
 358         *list = string_list_remove(*list, dir);
 359         *list = gcmp_list_from_path(c, dir, *list, GCMP_TYPE_RFILE);
 360         g_completion_add_items(gcmp, *list);
 361         *dir_list = g_list_append(*dir_list, g_strdup(dir));
 362 }
 363
 364 static void add_pre_completion_cb(GCompletion *gcmp, gchar *line, void *data)
 365 {
 366         completion_callback_data_t *tmp = (completion_callback_data_t *)data;
 367         GList **dir_list = tmp->dir_list;
 368         GList **list = tmp->list;
 369         struct mpdclient *c = tmp->c;
 370
 371         if (*list == NULL) {
 372                 /* create initial list */
 373                 *list = gcmp_list_from_path(c, "", NULL, GCMP_TYPE_RFILE);
 374                 g_completion_add_items(gcmp, *list);
 375         } else if (line && line[0] && line[strlen(line)-1]=='/' &&
 376                    string_list_find(*dir_list, line) == NULL) {
 377                 /* add directory content to list */
 378                 add_dir(gcmp, line, dir_list, list, c);
 379         }
 380 }
 381
 382 static void add_post_completion_cb(GCompletion *gcmp, gchar *line,
 383                                    GList *items, void *data)
 384 {
 385         completion_callback_data_t *tmp = (completion_callback_data_t *)data;
 386         GList **dir_list = tmp->dir_list;
 387         GList **list = tmp->list;
 388         struct mpdclient *c = tmp->c;
 389
 390         if (g_list_length(items) >= 1)
 391                 screen_display_completion_list(items);
 392
 393         if (line && line[0] && line[strlen(line) - 1] == '/' &&
 394             string_list_find(*dir_list, line) == NULL) {
 395                 /* add directory content to list */
 396                 add_dir(gcmp, line, dir_list, list, c);
 397         }
 398 }
 399 #endif
 400
 401 static int
 402 handle_add_to_playlist(struct mpdclient *c)
 403 {
 404         gchar *path;
 405 #ifndef NCMPC_MINI
 406         GCompletion *gcmp;
 407         GList *list = NULL;
 408         GList *dir_list = NULL;
 409         completion_callback_data_t data;
 410
 411         /* initialize completion support */
 412         gcmp = g_completion_new(NULL);
 413         g_completion_set_compare(gcmp, completion_strncmp);
 414         data.list = &list;
 415         data.dir_list = &dir_list;
 416         data.c = c;
 417         wrln_completion_callback_data = &data;
 418         wrln_pre_completion_callback = add_pre_completion_cb;
 419         wrln_post_completion_callback = add_post_completion_cb;
 420 #endif
 421
 422         /* get path */
 423         path = screen_readln(screen.status_window.w,
 424                              _("Add"),
 425                              NULL,
 426                              NULL,
 427 #ifdef NCMPC_MINI
 428                              NULL
 429 #else
 430                              gcmp
 431 #endif
 432                              );
 433
 434         /* destroy completion data */
 435 #ifndef NCMPC_MINI
 436         wrln_completion_callback_data = NULL;
 437         wrln_pre_completion_callback = NULL;
 438         wrln_post_completion_callback = NULL;
 439         g_completion_free(gcmp);
 440         string_list_free(list);
 441         string_list_free(dir_list);
 442 #endif
 443
 444         /* add the path to the playlist */
 445         if (path != NULL) {
 446                 char *path_utf8 = locale_to_utf8(path);
 447                 mpdclient_cmd_add_path(c, path_utf8);
 448                 g_free(path_utf8);
 449         }
 450
 451         g_free(path);
 452         return 0;
 453 }
 454
 455 static void
 456 play_init(WINDOW *w, int cols, int rows)
 457 {
 458         lw = list_window_init(w, cols, rows);
 459 }
 460
 461 static gboolean
 462 timer_hide_cursor(gpointer data)
 463 {
 464         struct mpdclient *c = data;
 465
 466         assert(options.hide_cursor > 0);
 467         assert(timer_hide_cursor_id != 0);
 468
 469         timer_hide_cursor_id = 0;
 470
 471         /* hide the cursor when mpd is playing and the user is inactive */
 472
 473         if (c->status != NULL &&
 474             mpd_status_get_state(c->status) == MPD_STATE_PLAY) {
 475                 lw->hide_cursor = true;
 476                 playlist_repaint();
 477         } else
 478                 timer_hide_cursor_id = g_timeout_add(options.hide_cursor * 1000,
 479                                                      timer_hide_cursor, c);
 480
 481         return FALSE;
 482 }
 483
 484 static void
 485 play_open(struct mpdclient *c)
 486 {
 487         static gboolean install_cb = TRUE;
 488
 489         playlist = &c->playlist;
 490
 491         assert(timer_hide_cursor_id == 0);
 492         if (options.hide_cursor > 0) {
 493                 lw->hide_cursor = false;
 494                 timer_hide_cursor_id = g_timeout_add(options.hide_cursor * 1000,
 495                                                      timer_hide_cursor, c);
 496         }
 497
 498         if (install_cb) {
 499                 mpdclient_install_playlist_callback(c, playlist_changed_callback);
 500                 install_cb = FALSE;
 501         }
 502 }
 503
 504 static void
 505 play_close(void)
 506 {
 507         if (timer_hide_cursor_id != 0) {
 508                 g_source_remove(timer_hide_cursor_id);
 509                 timer_hide_cursor_id = 0;
 510         }
 511 }
 512
 513 static void
 514 play_resize(int cols, int rows)
 515 {
 516         lw->cols = cols;
 517         lw->rows = rows;
 518 }
 519
 520
 521 static void
 522 play_exit(void)
 523 {
 524         list_window_free(lw);
 525 }
 526
 527 static const char *
 528 play_title(char *str, size_t size)
 529 {
 530         if (options.host == NULL)
 531                 return _("Playlist");
 532
 533         g_snprintf(str, size, _("Playlist on %s"), options.host);
 534         return str;
 535 }
 536
 537 static void
 538 play_paint(void)
 539 {
 540         list_window_paint(lw, list_callback, NULL);
 541 }
 542
 543 static void
 544 play_update(struct mpdclient *c)
 545 {
 546         static int prev_song_id = -1;
 547
 548         current_song_id = c->song != NULL && c->status != NULL &&
 549                 !IS_STOPPED(mpd_status_get_state(c->status))
 550                 ? (int)mpd_song_get_id(c->song) : -1;
 551
 552         if (current_song_id != prev_song_id) {
 553                 prev_song_id = current_song_id;
 554
 555                 /* center the cursor */
 556                 if (options.auto_center && current_song_id != -1 && ! lw->range_selection)
 557                         center_playing_item(c, false);
 558
 559                 playlist_repaint();
 560 #ifndef NCMPC_MINI
 561         } else if (options.scroll) {
 562                 /* always repaint if horizontal scrolling is
 563                    enabled */
 564                 playlist_repaint();
 565 #endif
 566         }
 567 }
 568
 569 #ifdef HAVE_GETMOUSE
 570 static bool
 571 handle_mouse_event(struct mpdclient *c)
 572 {
 573         int row;
 574         unsigned selected;
 575         unsigned long bstate;
 576
 577         if (screen_get_mouse_event(c, &bstate, &row) ||
 578             list_window_mouse(lw, playlist_length(playlist), bstate, row)) {
 579                 playlist_repaint();
 580                 return true;
 581         }
 582
 583         if (bstate & BUTTON1_DOUBLE_CLICKED) {
 584                 /* stop */
 585                 screen_cmd(c, CMD_STOP);
 586                 return true;
 587         }
 588
 589         selected = lw->start + row;
 590
 591         if (bstate & BUTTON1_CLICKED) {
 592                 /* play */
 593                 if (lw->start + row < playlist_length(playlist))
 594                         mpdclient_cmd_play(c, lw->start + row);
 595         } else if (bstate & BUTTON3_CLICKED) {
 596                 /* delete */
 597                 if (selected == lw->selected)
 598                         mpdclient_cmd_delete(c, lw->selected);
 599         }
 600
 601         lw->selected = selected;
 602         list_window_check_selected(lw, playlist_length(playlist));
 603         playlist_repaint();
 604
 605         return true;
 606 }
 607 #endif
 608
 609 static bool
 610 play_cmd(struct mpdclient *c, command_t cmd)
 611 {
 612         static command_t cached_cmd = CMD_NONE;
 613         command_t prev_cmd = cached_cmd;
 614         cached_cmd = cmd;
 615
 616         lw->hide_cursor = false;
 617
 618         if (options.hide_cursor > 0) {
 619                 if (timer_hide_cursor_id != 0)
 620                         g_source_remove(timer_hide_cursor_id);
 621                 timer_hide_cursor_id = g_timeout_add(options.hide_cursor * 1000,
 622                                                      timer_hide_cursor, c);
 623         }
 624
 625         if (list_window_cmd(lw, playlist_length(&c->playlist), cmd)) {
 626                 playlist_repaint();
 627                 return true;
 628         }
 629
 630         switch(cmd) {
 631         case CMD_PLAY:
 632                 mpdclient_cmd_play(c, lw->selected);
 633                 return true;
 634         case CMD_DELETE:
 635         {
 636                 int i = lw->selected_end, start = lw->selected_start;
 637                 for(; i >= start; --i)
 638                         mpdclient_cmd_delete(c, i);
 639
 640                 i++;
 641                 if(i >= (int)playlist_length(&c->playlist))
 642                         i--;
 643                 lw->selected = i;
 644                 lw->selected_start = i;
 645                 lw->selected_end = i;
 646                 lw->range_selection = false;
 647
 648                 return true;
 649         }
 650         case CMD_SAVE_PLAYLIST:
 651                 playlist_save(c, NULL, NULL);
 652                 return true;
 653         case CMD_ADD:
 654                 handle_add_to_playlist(c);
 655                 return true;
 656         case CMD_SCREEN_UPDATE:
 657                 center_playing_item(c, prev_cmd == CMD_SCREEN_UPDATE);
 658                 playlist_repaint();
 659                 return false;
 660         case CMD_SELECT_PLAYING:
 661                 list_window_set_selected(lw, playlist_get_index(c, c->song));
 662                 return true;
 663         case CMD_SHUFFLE:
 664         {
 665                 if(!lw->range_selection)
 666                         /* No range selection, shuffle all list. */
 667                         break;
 668
 669                 if (mpdclient_cmd_shuffle_range(c, lw->selected_start, lw->selected_end+1) == 0)
 670                         screen_status_message(_("Shuffled playlist"));
 671
 672                 return true;
 673         }
 674         case CMD_LIST_MOVE_UP:
 675                 if(lw->selected_start == 0)
 676                         return false;
 677                 if(lw->range_selection)
 678                 {
 679                         unsigned i = lw->selected_start;
 680                         unsigned last_selected = lw->selected;
 681                         for(; i <= lw->selected_end; ++i)
 682                                 mpdclient_cmd_move(c, i, i-1);
 683                         lw->selected_start--;
 684                         lw->selected_end--;
 685                         lw->selected = last_selected - 1;
 686                         lw->range_base--;
 687                 }
 688                 else
 689                 {
 690                         mpdclient_cmd_move(c, lw->selected, lw->selected-1);
 691                         lw->selected--;
 692                         lw->selected_start--;
 693                         lw->selected_end--;
 694                 }
 695                 return true;
 696         case CMD_LIST_MOVE_DOWN:
 697                 if(lw->selected_end+1 >= playlist_length(&c->playlist))
 698                         return false;
 699                 if(lw->range_selection)
 700                 {
 701                         int i = lw->selected_end;
 702                         unsigned last_selected = lw->selected;
 703                         for(; i >= (int)lw->selected_start; --i)
 704                                 mpdclient_cmd_move(c, i, i+1);
 705                         lw->selected_start++;
 706                         lw->selected_end++;
 707                         lw->selected = last_selected + 1;
 708                         lw->range_base++;
 709                 }
 710                 else
 711                 {
 712                         mpdclient_cmd_move(c, lw->selected, lw->selected+1);
 713                         lw->selected++;
 714                         lw->selected_start++;
 715                         lw->selected_end++;
 716                 }
 717                 return true;
 718         case CMD_LIST_FIND:
 719         case CMD_LIST_RFIND:
 720         case CMD_LIST_FIND_NEXT:
 721         case CMD_LIST_RFIND_NEXT:
 722                 screen_find(lw, playlist_length(&c->playlist),
 723                             cmd, list_callback, NULL);
 724                 playlist_repaint();
 725                 return true;
 726         case CMD_LIST_JUMP:
 727                 screen_jump(lw, list_callback, NULL);
 728                 playlist_repaint();
 729                 return true;
 730
 731 #ifdef HAVE_GETMOUSE
 732         case CMD_MOUSE_EVENT:
 733                 return handle_mouse_event(c);
 734 #endif
 735
 736 #ifdef ENABLE_SONG_SCREEN
 737         case CMD_SCREEN_SONG:
 738                 if (lw->selected < playlist_length(&c->playlist)) {
 739                         screen_song_switch(c, playlist_get(&c->playlist, lw->selected));
 740                         return true;
 741                 }
 742
 743                 break;
 744 #endif
 745
 746         case CMD_LOCATE:
 747                 if (lw->selected < playlist_length(&c->playlist)) {
 748                         screen_file_goto_song(c, playlist_get(&c->playlist, lw->selected));
 749                         return true;
 750                 }
 751
 752                 break;
 753
 754 #ifdef ENABLE_LYRICS_SCREEN
 755         case CMD_SCREEN_LYRICS:
 756                 if (lw->selected < playlist_length(&c->playlist)) {
 757                         struct mpd_song *selected = playlist_get(&c->playlist, lw->selected);
 758                         bool follow = false;
 759
 760                         if (c->song && selected &&
 761                             !strcmp(mpd_song_get_uri(selected),
 762                                     mpd_song_get_uri(c->song)))
 763                                 follow = true;
 764
 765                         screen_lyrics_switch(c, selected, follow);
 766                         return true;
 767                 }
 768
 769                 break;
 770 #endif
 771         case CMD_SCREEN_SWAP:
 772                 screen_swap(c, playlist_get(&c->playlist, lw->selected));
 773                 return true;
 774
 775         default:
 776                 break;
 777         }
 778
 779         return false;
 780 }
 781
 782 const struct screen_functions screen_playlist = {
 783         .init = play_init,
 784         .exit = play_exit,
 785         .open = play_open,
 786         .close = play_close,
 787         .resize = play_resize,
 788         .paint = play_paint,
 789         .update = play_update,
 790         .cmd = play_cmd,
 791         .get_title = play_title,
 792 };