src/screen_queue.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 "screen_queue.h"
  21 #include "screen_interface.h"
  22 #include "screen_file.h"
  23 #include "screen_message.h"
  24 #include "screen_find.h"
  25 #include "config.h"
  26 #include "i18n.h"
  27 #include "charset.h"
  28 #include "options.h"
  29 #include "mpdclient.h"
  30 #include "utils.h"
  31 #include "strfsong.h"
  32 #include "wreadln.h"
  33 #include "song_paint.h"
  34 #include "screen.h"
  35 #include "screen_utils.h"
  36 #include "screen_song.h"
  37 #include "screen_lyrics.h"
  38
  39 #ifndef NCMPC_MINI
  40 #include "hscroll.h"
  41 #endif
  42
  43 #include <mpd/client.h>
  44
  45 #include <ctype.h>
  46 #include <string.h>
  47 #include <glib.h>
  48
  49 #define MAX_SONG_LENGTH 512
  50
  51 #ifndef NCMPC_MINI
  52 typedef struct
  53 {
  54         GList **list;
  55         GList **dir_list;
  56         struct mpdclient *c;
  57 } completion_callback_data_t;
  58
  59 static struct hscroll hscroll;
  60 #endif
  61
  62 static struct mpdclient_playlist *playlist;
  63 static int current_song_id = -1;
  64 static int selected_song_id = -1;
  65 static struct list_window *lw;
  66 static guint timer_hide_cursor_id;
  67
  68 static void
  69 screen_queue_paint(void);
  70
  71 static void
  72 screen_queue_repaint(void)
  73 {
  74         screen_queue_paint();
  75         wrefresh(lw->w);
  76 }
  77
  78 static const struct mpd_song *
  79 screen_queue_selected_song(void)
  80 {
  81         return !lw->range_selection &&
  82                 lw->selected < playlist_length(playlist)
  83                 ? playlist_get(playlist, lw->selected)
  84                 : NULL;
  85 }
  86
  87 static void
  88 screen_queue_save_selection(void)
  89 {
  90         selected_song_id = screen_queue_selected_song() != NULL
  91                 ? (int)mpd_song_get_id(screen_queue_selected_song())
  92                 : -1;
  93 }
  94
  95 static void
  96 screen_queue_restore_selection(void)
  97 {
  98         const struct mpd_song *song;
  99         int pos;
 100
 101         list_window_set_length(lw, playlist_length(playlist));
 102
 103         if (selected_song_id < 0)
 104                 /* there was no selection */
 105                 return;
 106
 107         song = screen_queue_selected_song();
 108         if (song != NULL &&
 109             mpd_song_get_id(song) == (unsigned)selected_song_id)
 110                 /* selection is still valid */
 111                 return;
 112
 113         pos = playlist_get_index_from_id(playlist, selected_song_id);
 114         if (pos >= 0)
 115                 list_window_set_cursor(lw, pos);
 116
 117         screen_queue_save_selection();
 118 }
 119
 120 static const char *
 121 screen_queue_lw_callback(unsigned idx, G_GNUC_UNUSED void *data)
 122 {
 123         static char songname[MAX_SONG_LENGTH];
 124         struct mpd_song *song;
 125
 126         assert(playlist != NULL);
 127         assert(idx < playlist_length(playlist));
 128
 129         song = playlist_get(playlist, idx);
 130
 131         strfsong(songname, MAX_SONG_LENGTH, options.list_format, song);
 132
 133         return songname;
 134 }
 135
 136 static void
 137 center_playing_item(struct mpdclient *c, bool center_cursor)
 138 {
 139         int idx;
 140
 141         /* try to center the song that are playing */
 142         idx = playlist_get_index(&c->playlist, c->song);
 143         if (idx < 0)
 144                 return;
 145
 146         list_window_center(lw, idx);
 147
 148         if (center_cursor) {
 149                 list_window_set_cursor(lw, idx);
 150                 return;
 151         }
 152
 153         /* make sure the cursor is in the window */
 154         list_window_fetch_cursor(lw);
 155 }
 156
 157 #ifndef NCMPC_MINI
 158 static void
 159 save_pre_completion_cb(GCompletion *gcmp, G_GNUC_UNUSED gchar *line,
 160                        void *data)
 161 {
 162         completion_callback_data_t *tmp = (completion_callback_data_t *)data;
 163         GList **list = tmp->list;
 164         struct mpdclient *c = tmp->c;
 165
 166         if( *list == NULL ) {
 167                 /* create completion list */
 168                 *list = gcmp_list_from_path(c, "", NULL, GCMP_TYPE_PLAYLIST);
 169                 g_completion_add_items(gcmp, *list);
 170         }
 171 }
 172
 173 static void
 174 save_post_completion_cb(G_GNUC_UNUSED GCompletion *gcmp,
 175                         G_GNUC_UNUSED gchar *line, GList *items,
 176                         G_GNUC_UNUSED void *data)
 177 {
 178         if (g_list_length(items) >= 1)
 179                 screen_display_completion_list(items);
 180 }
 181 #endif
 182
 183 #ifndef NCMPC_MINI
 184 /**
 185  * Wrapper for strncmp().  We are not allowed to pass &strncmp to
 186  * g_completion_set_compare(), because strncmp() takes size_t where
 187  * g_completion_set_compare passes a gsize value.
 188  */
 189 static gint
 190 completion_strncmp(const gchar *s1, const gchar *s2, gsize n)
 191 {
 192         return strncmp(s1, s2, n);
 193 }
 194 #endif
 195
 196 int
 197 playlist_save(struct mpdclient *c, char *name, char *defaultname)
 198 {
 199         struct mpd_connection *connection;
 200         gchar *filename, *filename_utf8;
 201 #ifndef NCMPC_MINI
 202         GCompletion *gcmp;
 203         GList *list = NULL;
 204         completion_callback_data_t data;
 205 #endif
 206
 207 #ifdef NCMPC_MINI
 208         (void)defaultname;
 209 #endif
 210
 211 #ifndef NCMPC_MINI
 212         if (name == NULL) {
 213                 /* initialize completion support */
 214                 gcmp = g_completion_new(NULL);
 215                 g_completion_set_compare(gcmp, completion_strncmp);
 216                 data.list = &list;
 217                 data.dir_list = NULL;
 218                 data.c = c;
 219                 wrln_completion_callback_data = &data;
 220                 wrln_pre_completion_callback = save_pre_completion_cb;
 221                 wrln_post_completion_callback = save_post_completion_cb;
 222
 223
 224                 /* query the user for a filename */
 225                 filename = screen_readln(_("Save playlist as"),
 226                                          defaultname,
 227                                          NULL,
 228                                          gcmp);
 229
 230                 /* destroy completion support */
 231                 wrln_completion_callback_data = NULL;
 232                 wrln_pre_completion_callback = NULL;
 233                 wrln_post_completion_callback = NULL;
 234                 g_completion_free(gcmp);
 235                 list = string_list_free(list);
 236                 if( filename )
 237                         filename=g_strstrip(filename);
 238         } else
 239 #endif
 240                         filename=g_strdup(name);
 241
 242         if (filename == NULL)
 243                 return -1;
 244
 245         /* send save command to mpd */
 246
 247         connection = mpdclient_get_connection(c);
 248         if (connection == NULL)
 249                 return -1;
 250
 251         filename_utf8 = locale_to_utf8(filename);
 252         if (!mpd_run_save(connection, filename_utf8)) {
 253                 if (mpd_connection_get_error(connection) == MPD_ERROR_SERVER &&
 254                     mpd_connection_get_server_error(connection) == MPD_SERVER_ERROR_EXIST &&
 255                     mpd_connection_clear_error(connection)) {
 256                         char *buf;
 257                         int key;
 258
 259                         buf = g_strdup_printf(_("Replace %s [%s/%s] ? "),
 260                                               filename, YES, NO);
 261                         key = tolower(screen_getch(buf));
 262                         g_free(buf);
 263
 264                         if (key != YES[0]) {
 265                                 g_free(filename_utf8);
 266                                 g_free(filename);
 267                                 screen_status_printf(_("Aborted"));
 268                                 return -1;
 269                         }
 270
 271                         if (!mpd_run_rm(connection, filename_utf8) ||
 272                             !mpd_run_save(connection, filename_utf8)) {
 273                                 mpdclient_handle_error(c);
 274                                 g_free(filename_utf8);
 275                                 g_free(filename);
 276                                 return -1;
 277                         }
 278                 } else {
 279                         mpdclient_handle_error(c);
 280                         g_free(filename_utf8);
 281                         g_free(filename);
 282                         return -1;
 283                 }
 284         }
 285
 286         c->events |= MPD_IDLE_STORED_PLAYLIST;
 287
 288         g_free(filename_utf8);
 289
 290         /* success */
 291         screen_status_printf(_("Saved %s"), filename);
 292         g_free(filename);
 293         return 0;
 294 }
 295
 296 #ifndef NCMPC_MINI
 297 static void add_dir(GCompletion *gcmp, gchar *dir, GList **dir_list,
 298                     GList **list, struct mpdclient *c)
 299 {
 300         g_completion_remove_items(gcmp, *list);
 301         *list = string_list_remove(*list, dir);
 302         *list = gcmp_list_from_path(c, dir, *list, GCMP_TYPE_RFILE);
 303         g_completion_add_items(gcmp, *list);
 304         *dir_list = g_list_append(*dir_list, g_strdup(dir));
 305 }
 306
 307 static void add_pre_completion_cb(GCompletion *gcmp, gchar *line, void *data)
 308 {
 309         completion_callback_data_t *tmp = (completion_callback_data_t *)data;
 310         GList **dir_list = tmp->dir_list;
 311         GList **list = tmp->list;
 312         struct mpdclient *c = tmp->c;
 313
 314         if (*list == NULL) {
 315                 /* create initial list */
 316                 *list = gcmp_list_from_path(c, "", NULL, GCMP_TYPE_RFILE);
 317                 g_completion_add_items(gcmp, *list);
 318         } else if (line && line[0] && line[strlen(line)-1]=='/' &&
 319                    string_list_find(*dir_list, line) == NULL) {
 320                 /* add directory content to list */
 321                 add_dir(gcmp, line, dir_list, list, c);
 322         }
 323 }
 324
 325 static void add_post_completion_cb(GCompletion *gcmp, gchar *line,
 326                                    GList *items, void *data)
 327 {
 328         completion_callback_data_t *tmp = (completion_callback_data_t *)data;
 329         GList **dir_list = tmp->dir_list;
 330         GList **list = tmp->list;
 331         struct mpdclient *c = tmp->c;
 332
 333         if (g_list_length(items) >= 1)
 334                 screen_display_completion_list(items);
 335
 336         if (line && line[0] && line[strlen(line) - 1] == '/' &&
 337             string_list_find(*dir_list, line) == NULL) {
 338                 /* add directory content to list */
 339                 add_dir(gcmp, line, dir_list, list, c);
 340         }
 341 }
 342 #endif
 343
 344 static int
 345 handle_add_to_playlist(struct mpdclient *c)
 346 {
 347         gchar *path;
 348 #ifndef NCMPC_MINI
 349         GCompletion *gcmp;
 350         GList *list = NULL;
 351         GList *dir_list = NULL;
 352         completion_callback_data_t data;
 353
 354         /* initialize completion support */
 355         gcmp = g_completion_new(NULL);
 356         g_completion_set_compare(gcmp, completion_strncmp);
 357         data.list = &list;
 358         data.dir_list = &dir_list;
 359         data.c = c;
 360         wrln_completion_callback_data = &data;
 361         wrln_pre_completion_callback = add_pre_completion_cb;
 362         wrln_post_completion_callback = add_post_completion_cb;
 363 #endif
 364
 365         /* get path */
 366         path = screen_readln(_("Add"),
 367                              NULL,
 368                              NULL,
 369 #ifdef NCMPC_MINI
 370                              NULL
 371 #else
 372                              gcmp
 373 #endif
 374                              );
 375
 376         /* destroy completion data */
 377 #ifndef NCMPC_MINI
 378         wrln_completion_callback_data = NULL;
 379         wrln_pre_completion_callback = NULL;
 380         wrln_post_completion_callback = NULL;
 381         g_completion_free(gcmp);
 382         string_list_free(list);
 383         string_list_free(dir_list);
 384 #endif
 385
 386         /* add the path to the playlist */
 387         if (path != NULL) {
 388                 char *path_utf8 = locale_to_utf8(path);
 389                 mpdclient_cmd_add_path(c, path_utf8);
 390                 g_free(path_utf8);
 391         }
 392
 393         g_free(path);
 394         return 0;
 395 }
 396
 397 static void
 398 screen_queue_init(WINDOW *w, int cols, int rows)
 399 {
 400         lw = list_window_init(w, cols, rows);
 401
 402 #ifndef NCMPC_MINI
 403         if (options.scroll)
 404                 hscroll_init(&hscroll, w, options.scroll_sep);
 405 #endif
 406 }
 407
 408 static gboolean
 409 timer_hide_cursor(gpointer data)
 410 {
 411         struct mpdclient *c = data;
 412
 413         assert(options.hide_cursor > 0);
 414         assert(timer_hide_cursor_id != 0);
 415
 416         timer_hide_cursor_id = 0;
 417
 418         /* hide the cursor when mpd is playing and the user is inactive */
 419
 420         if (c->status != NULL &&
 421             mpd_status_get_state(c->status) == MPD_STATE_PLAY) {
 422                 lw->hide_cursor = true;
 423                 screen_queue_repaint();
 424         } else
 425                 timer_hide_cursor_id = g_timeout_add(options.hide_cursor * 1000,
 426                                                      timer_hide_cursor, c);
 427
 428         return FALSE;
 429 }
 430
 431 static void
 432 screen_queue_open(struct mpdclient *c)
 433 {
 434         playlist = &c->playlist;
 435
 436         assert(timer_hide_cursor_id == 0);
 437         if (options.hide_cursor > 0) {
 438                 lw->hide_cursor = false;
 439                 timer_hide_cursor_id = g_timeout_add(options.hide_cursor * 1000,
 440                                                      timer_hide_cursor, c);
 441         }
 442
 443         screen_queue_restore_selection();
 444 }
 445
 446 static void
 447 screen_queue_close(void)
 448 {
 449         if (timer_hide_cursor_id != 0) {
 450                 g_source_remove(timer_hide_cursor_id);
 451                 timer_hide_cursor_id = 0;
 452         }
 453
 454 #ifndef NCMPC_MINI
 455         if (options.scroll)
 456                 hscroll_clear(&hscroll);
 457 #endif
 458 }
 459
 460 static void
 461 screen_queue_resize(int cols, int rows)
 462 {
 463         list_window_resize(lw, cols, rows);
 464 }
 465
 466
 467 static void
 468 screen_queue_exit(void)
 469 {
 470         list_window_free(lw);
 471 }
 472
 473 static const char *
 474 screen_queue_title(char *str, size_t size)
 475 {
 476         if (options.host == NULL)
 477                 return _("Playlist");
 478
 479         g_snprintf(str, size, _("Playlist on %s"), options.host);
 480         return str;
 481 }
 482
 483 static void
 484 screen_queue_paint_callback(WINDOW *w, unsigned i,
 485                             unsigned y, unsigned width,
 486                             bool selected, G_GNUC_UNUSED void *data)
 487 {
 488         const struct mpd_song *song;
 489         struct hscroll *row_hscroll;
 490
 491         assert(playlist != NULL);
 492         assert(i < playlist_length(playlist));
 493
 494         song = playlist_get(playlist, i);
 495
 496 #ifdef NCMPC_MINI
 497         row_hscroll = NULL;
 498 #else
 499         row_hscroll = selected && options.scroll && lw->selected == i
 500                 ? &hscroll : NULL;
 501 #endif
 502
 503         paint_song_row(w, y, width, selected,
 504                        (int)mpd_song_get_id(song) == current_song_id,
 505                        song, row_hscroll);
 506 }
 507
 508 static void
 509 screen_queue_paint(void)
 510 {
 511 #ifndef NCMPC_MINI
 512         if (options.scroll)
 513                 hscroll_clear(&hscroll);
 514 #endif
 515
 516         list_window_paint2(lw, screen_queue_paint_callback, NULL);
 517 }
 518
 519 G_GNUC_PURE
 520 static int
 521 get_current_song_id(const struct mpd_status *status)
 522 {
 523         return status != NULL &&
 524                 (mpd_status_get_state(status) == MPD_STATE_PLAY ||
 525                  mpd_status_get_state(status) == MPD_STATE_PAUSE)
 526                 ? (int)mpd_status_get_song_id(status)
 527                 : -1;
 528 }
 529
 530 static void
 531 screen_queue_update(struct mpdclient *c)
 532 {
 533         if (c->events & MPD_IDLE_PLAYLIST)
 534                 screen_queue_restore_selection();
 535
 536         if ((c->events & MPD_IDLE_PLAYER) != 0 &&
 537             get_current_song_id(c->status) != current_song_id) {
 538                 current_song_id = get_current_song_id(c->status);
 539
 540                 /* center the cursor */
 541                 if (options.auto_center && current_song_id != -1 && ! lw->range_selection)
 542                         center_playing_item(c, false);
 543
 544                 screen_queue_repaint();
 545         } else if (c->events & MPD_IDLE_PLAYLIST) {
 546                 /* the playlist has changed, we must paint the new
 547                    version */
 548                 screen_queue_repaint();
 549         }
 550 }
 551
 552 #ifdef HAVE_GETMOUSE
 553 static bool
 554 handle_mouse_event(struct mpdclient *c)
 555 {
 556         int row;
 557         unsigned long bstate;
 558         unsigned old_selected;
 559
 560         if (screen_get_mouse_event(c, &bstate, &row) ||
 561             list_window_mouse(lw, bstate, row)) {
 562                 screen_queue_repaint();
 563                 return true;
 564         }
 565
 566         if (bstate & BUTTON1_DOUBLE_CLICKED) {
 567                 /* stop */
 568                 screen_cmd(c, CMD_STOP);
 569                 return true;
 570         }
 571
 572         old_selected = lw->selected;
 573         list_window_set_cursor(lw, lw->start + row);
 574
 575         if (bstate & BUTTON1_CLICKED) {
 576                 /* play */
 577                 const struct mpd_song *song = screen_queue_selected_song();
 578                 if (song != NULL) {
 579                         struct mpd_connection *connection =
 580                                 mpdclient_get_connection(c);
 581
 582                         if (connection != NULL &&
 583                             !mpd_run_play_id(connection,
 584                                              mpd_song_get_id(song)))
 585                                 mpdclient_handle_error(c);
 586                 }
 587         } else if (bstate & BUTTON3_CLICKED) {
 588                 /* delete */
 589                 if (lw->selected == old_selected)
 590                         mpdclient_cmd_delete(c, lw->selected);
 591
 592                 list_window_set_length(lw, playlist_length(playlist));
 593         }
 594
 595         screen_queue_save_selection();
 596         screen_queue_repaint();
 597
 598         return true;
 599 }
 600 #endif
 601
 602 static bool
 603 screen_queue_cmd(struct mpdclient *c, command_t cmd)
 604 {
 605         struct mpd_connection *connection;
 606         static command_t cached_cmd = CMD_NONE;
 607         command_t prev_cmd = cached_cmd;
 608         struct list_window_range range;
 609         const struct mpd_song *song;
 610
 611         cached_cmd = cmd;
 612
 613         lw->hide_cursor = false;
 614
 615         if (options.hide_cursor > 0) {
 616                 if (timer_hide_cursor_id != 0)
 617                         g_source_remove(timer_hide_cursor_id);
 618                 timer_hide_cursor_id = g_timeout_add(options.hide_cursor * 1000,
 619                                                      timer_hide_cursor, c);
 620         }
 621
 622         if (list_window_cmd(lw, cmd)) {
 623                 screen_queue_save_selection();
 624                 screen_queue_repaint();
 625                 return true;
 626         }
 627
 628         switch(cmd) {
 629         case CMD_SCREEN_UPDATE:
 630                 center_playing_item(c, prev_cmd == CMD_SCREEN_UPDATE);
 631                 screen_queue_repaint();
 632                 return false;
 633         case CMD_SELECT_PLAYING:
 634                 list_window_set_cursor(lw, playlist_get_index(&c->playlist,
 635                                                               c->song));
 636                 screen_queue_save_selection();
 637                 screen_queue_repaint();
 638                 return true;
 639
 640         case CMD_LIST_FIND:
 641         case CMD_LIST_RFIND:
 642         case CMD_LIST_FIND_NEXT:
 643         case CMD_LIST_RFIND_NEXT:
 644                 screen_find(lw, cmd, screen_queue_lw_callback, NULL);
 645                 screen_queue_save_selection();
 646                 screen_queue_repaint();
 647                 return true;
 648         case CMD_LIST_JUMP:
 649                 screen_jump(lw, screen_queue_lw_callback, NULL, NULL);
 650                 screen_queue_save_selection();
 651                 screen_queue_repaint();
 652                 return true;
 653
 654 #ifdef HAVE_GETMOUSE
 655         case CMD_MOUSE_EVENT:
 656                 return handle_mouse_event(c);
 657 #endif
 658
 659 #ifdef ENABLE_SONG_SCREEN
 660         case CMD_SCREEN_SONG:
 661                 if (screen_queue_selected_song() != NULL) {
 662                         screen_song_switch(c, screen_queue_selected_song());
 663                         return true;
 664                 }
 665
 666                 break;
 667 #endif
 668
 669 #ifdef ENABLE_LYRICS_SCREEN
 670         case CMD_SCREEN_LYRICS:
 671                 if (lw->selected < playlist_length(&c->playlist)) {
 672                         struct mpd_song *selected = playlist_get(&c->playlist, lw->selected);
 673                         bool follow = false;
 674
 675                         if (c->song && selected &&
 676                             !strcmp(mpd_song_get_uri(selected),
 677                                     mpd_song_get_uri(c->song)))
 678                                 follow = true;
 679
 680                         screen_lyrics_switch(c, selected, follow);
 681                         return true;
 682                 }
 683
 684                 break;
 685 #endif
 686         case CMD_SCREEN_SWAP:
 687                 screen_swap(c, playlist_get(&c->playlist, lw->selected));
 688                 return true;
 689
 690         default:
 691                 break;
 692         }
 693
 694         if (!mpdclient_is_connected(c))
 695                 return false;
 696
 697         switch(cmd) {
 698         case CMD_PLAY:
 699                 song = screen_queue_selected_song();
 700                 if (song == NULL)
 701                         return false;
 702
 703                 connection = mpdclient_get_connection(c);
 704                 if (connection != NULL &&
 705                     !mpd_run_play_id(connection, mpd_song_get_id(song)))
 706                         mpdclient_handle_error(c);
 707
 708                 return true;
 709
 710         case CMD_DELETE:
 711                 list_window_get_range(lw, &range);
 712                 mpdclient_cmd_delete_range(c, range.start, range.end);
 713
 714                 list_window_set_cursor(lw, range.start);
 715                 return true;
 716
 717         case CMD_SAVE_PLAYLIST:
 718                 playlist_save(c, NULL, NULL);
 719                 return true;
 720
 721         case CMD_ADD:
 722                 handle_add_to_playlist(c);
 723                 return true;
 724
 725         case CMD_SHUFFLE:
 726                 list_window_get_range(lw, &range);
 727                 if (range.end < range.start + 1)
 728                         /* No range selection, shuffle all list. */
 729                         break;
 730
 731                 connection = mpdclient_get_connection(c);
 732                 if (connection == NULL)
 733                         return true;
 734
 735                 if (mpd_run_shuffle_range(connection, range.start, range.end))
 736                         screen_status_message(_("Shuffled playlist"));
 737                 else
 738                         mpdclient_handle_error(c);
 739                 return true;
 740
 741         case CMD_LIST_MOVE_UP:
 742                 list_window_get_range(lw, &range);
 743                 if (range.start == 0 || range.end <= range.start)
 744                         return false;
 745
 746                 if (!mpdclient_cmd_move(c, range.end - 1, range.start - 1))
 747                         return true;
 748
 749                 lw->selected--;
 750                 lw->range_base--;
 751
 752                 screen_queue_save_selection();
 753                 return true;
 754
 755         case CMD_LIST_MOVE_DOWN:
 756                 list_window_get_range(lw, &range);
 757                 if (range.end >= playlist_length(&c->playlist))
 758                         return false;
 759
 760                 if (!mpdclient_cmd_move(c, range.start, range.end))
 761                         return true;
 762
 763                 lw->selected++;
 764                 lw->range_base++;
 765
 766                 screen_queue_save_selection();
 767                 return true;
 768
 769         case CMD_LOCATE:
 770                 if (screen_queue_selected_song() != NULL) {
 771                         screen_file_goto_song(c, screen_queue_selected_song());
 772                         return true;
 773                 }
 774
 775                 break;
 776
 777         default:
 778                 break;
 779         }
 780
 781         return false;
 782 }
 783
 784 const struct screen_functions screen_queue = {
 785         .init = screen_queue_init,
 786         .exit = screen_queue_exit,
 787         .open = screen_queue_open,
 788         .close = screen_queue_close,
 789         .resize = screen_queue_resize,
 790         .paint = screen_queue_paint,
 791         .update = screen_queue_update,
 792         .cmd = screen_queue_cmd,
 793         .get_title = screen_queue_title,
 794 };