src/screen_queue.c

   1 /* ncmpc (Ncurses MPD Client)
   2  * (c) 2004-2010 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_status.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 #include "Compiler.h"
  39
  40 #ifndef NCMPC_MINI
  41 #include "hscroll.h"
  42 #endif
  43
  44 #include <mpd/client.h>
  45
  46 #include <ctype.h>
  47 #include <string.h>
  48 #include <glib.h>
  49
  50 #define MAX_SONG_LENGTH 512
  51
  52 #ifndef NCMPC_MINI
  53 typedef struct
  54 {
  55         GList **list;
  56         GList **dir_list;
  57         struct mpdclient *c;
  58 } completion_callback_data_t;
  59
  60 static struct hscroll hscroll;
  61 #endif
  62
  63 static struct mpdclient_playlist *playlist;
  64 static int current_song_id = -1;
  65 static int selected_song_id = -1;
  66 static struct list_window *lw;
  67 static guint timer_hide_cursor_id;
  68
  69 static void
  70 screen_queue_paint(void);
  71
  72 static void
  73 screen_queue_repaint(void)
  74 {
  75         screen_queue_paint();
  76         wrefresh(lw->w);
  77 }
  78
  79 static const struct mpd_song *
  80 screen_queue_selected_song(void)
  81 {
  82         return !lw->range_selection &&
  83                 lw->selected < playlist_length(playlist)
  84                 ? playlist_get(playlist, lw->selected)
  85                 : NULL;
  86 }
  87
  88 static void
  89 screen_queue_save_selection(void)
  90 {
  91         selected_song_id = screen_queue_selected_song() != NULL
  92                 ? (int)mpd_song_get_id(screen_queue_selected_song())
  93                 : -1;
  94 }
  95
  96 static void
  97 screen_queue_restore_selection(void)
  98 {
  99         const struct mpd_song *song;
 100         int pos;
 101
 102         list_window_set_length(lw, playlist_length(playlist));
 103
 104         if (selected_song_id < 0)
 105                 /* there was no selection */
 106                 return;
 107
 108         song = screen_queue_selected_song();
 109         if (song != NULL &&
 110             mpd_song_get_id(song) == (unsigned)selected_song_id)
 111                 /* selection is still valid */
 112                 return;
 113
 114         pos = playlist_get_index_from_id(playlist, selected_song_id);
 115         if (pos >= 0)
 116                 list_window_set_cursor(lw, pos);
 117
 118         screen_queue_save_selection();
 119 }
 120
 121 static const char *
 122 screen_queue_lw_callback(unsigned idx, gcc_unused void *data)
 123 {
 124         static char songname[MAX_SONG_LENGTH];
 125         struct mpd_song *song;
 126
 127         assert(playlist != NULL);
 128         assert(idx < playlist_length(playlist));
 129
 130         song = playlist_get(playlist, idx);
 131
 132         strfsong(songname, MAX_SONG_LENGTH, options.list_format, song);
 133
 134         return songname;
 135 }
 136
 137 static void
 138 center_playing_item(const struct mpd_status *status, bool center_cursor)
 139 {
 140         int idx;
 141
 142         if (status == NULL ||
 143             (mpd_status_get_state(status) != MPD_STATE_PLAY &&
 144              mpd_status_get_state(status) != MPD_STATE_PAUSE))
 145                 return;
 146
 147         /* try to center the song that are playing */
 148         idx = mpd_status_get_song_pos(status);
 149         if (idx < 0)
 150                 return;
 151
 152         list_window_center(lw, idx);
 153
 154         if (center_cursor) {
 155                 list_window_set_cursor(lw, idx);
 156                 return;
 157         }
 158
 159         /* make sure the cursor is in the window */
 160         list_window_fetch_cursor(lw);
 161 }
 162
 163 gcc_pure
 164 static int
 165 get_current_song_id(const struct mpd_status *status)
 166 {
 167         return status != NULL &&
 168                 (mpd_status_get_state(status) == MPD_STATE_PLAY ||
 169                  mpd_status_get_state(status) == MPD_STATE_PAUSE)
 170                 ? (int)mpd_status_get_song_id(status)
 171                 : -1;
 172 }
 173
 174 static bool
 175 screen_queue_song_change(const struct mpd_status *status)
 176 {
 177         if (get_current_song_id(status) == current_song_id)
 178                 return false;
 179
 180         current_song_id = get_current_song_id(status);
 181
 182         /* center the cursor */
 183         if (options.auto_center && !lw->range_selection)
 184                 center_playing_item(status, false);
 185
 186         return true;
 187 }
 188
 189 #ifndef NCMPC_MINI
 190 static void
 191 save_pre_completion_cb(GCompletion *gcmp, gcc_unused gchar *line,
 192                        void *data)
 193 {
 194         completion_callback_data_t *tmp = (completion_callback_data_t *)data;
 195         GList **list = tmp->list;
 196         struct mpdclient *c = tmp->c;
 197
 198         if( *list == NULL ) {
 199                 /* create completion list */
 200                 *list = gcmp_list_from_path(c, "", NULL, GCMP_TYPE_PLAYLIST);
 201                 g_completion_add_items(gcmp, *list);
 202         }
 203 }
 204
 205 static void
 206 save_post_completion_cb(gcc_unused GCompletion *gcmp,
 207                         gcc_unused gchar *line, GList *items,
 208                         gcc_unused void *data)
 209 {
 210         if (g_list_length(items) >= 1)
 211                 screen_display_completion_list(items);
 212 }
 213 #endif
 214
 215 #ifndef NCMPC_MINI
 216 /**
 217  * Wrapper for strncmp().  We are not allowed to pass &strncmp to
 218  * g_completion_set_compare(), because strncmp() takes size_t where
 219  * g_completion_set_compare passes a gsize value.
 220  */
 221 static gint
 222 completion_strncmp(const gchar *s1, const gchar *s2, gsize n)
 223 {
 224         return strncmp(s1, s2, n);
 225 }
 226 #endif
 227
 228 int
 229 playlist_save(struct mpdclient *c, char *name, char *defaultname)
 230 {
 231         struct mpd_connection *connection;
 232         gchar *filename, *filename_utf8;
 233 #ifndef NCMPC_MINI
 234         GCompletion *gcmp;
 235         GList *list = NULL;
 236         completion_callback_data_t data;
 237 #endif
 238
 239 #ifdef NCMPC_MINI
 240         (void)defaultname;
 241 #endif
 242
 243 #ifndef NCMPC_MINI
 244         if (name == NULL) {
 245                 /* initialize completion support */
 246                 gcmp = g_completion_new(NULL);
 247                 g_completion_set_compare(gcmp, completion_strncmp);
 248                 data.list = &list;
 249                 data.dir_list = NULL;
 250                 data.c = c;
 251                 wrln_completion_callback_data = &data;
 252                 wrln_pre_completion_callback = save_pre_completion_cb;
 253                 wrln_post_completion_callback = save_post_completion_cb;
 254
 255
 256                 /* query the user for a filename */
 257                 filename = screen_readln(_("Save queue as"),
 258                                          defaultname,
 259                                          NULL,
 260                                          gcmp);
 261
 262                 /* destroy completion support */
 263                 wrln_completion_callback_data = NULL;
 264                 wrln_pre_completion_callback = NULL;
 265                 wrln_post_completion_callback = NULL;
 266                 g_completion_free(gcmp);
 267                 list = string_list_free(list);
 268                 if( filename )
 269                         filename=g_strstrip(filename);
 270         } else
 271 #endif
 272                 filename=g_strdup(name);
 273
 274         if (filename == NULL)
 275                 return -1;
 276
 277         /* send save command to mpd */
 278
 279         connection = mpdclient_get_connection(c);
 280         if (connection == NULL) {
 281                 g_free(filename);
 282                 return -1;
 283         }
 284
 285         filename_utf8 = locale_to_utf8(filename);
 286         if (!mpd_run_save(connection, filename_utf8)) {
 287                 if (mpd_connection_get_error(connection) == MPD_ERROR_SERVER &&
 288                     mpd_connection_get_server_error(connection) == MPD_SERVER_ERROR_EXIST &&
 289                     mpd_connection_clear_error(connection)) {
 290                         char *buf;
 291                         bool replace;
 292
 293                         buf = g_strdup_printf(_("Replace %s [%s/%s] ? "),
 294                                               filename, YES, NO);
 295                         replace = screen_get_yesno(buf, false);
 296                         g_free(buf);
 297
 298                         if (!replace) {
 299                                 g_free(filename_utf8);
 300                                 g_free(filename);
 301                                 screen_status_printf(_("Aborted"));
 302                                 return -1;
 303                         }
 304
 305                         if (!mpd_run_rm(connection, filename_utf8) ||
 306                             !mpd_run_save(connection, filename_utf8)) {
 307                                 mpdclient_handle_error(c);
 308                                 g_free(filename_utf8);
 309                                 g_free(filename);
 310                                 return -1;
 311                         }
 312                 } else {
 313                         mpdclient_handle_error(c);
 314                         g_free(filename_utf8);
 315                         g_free(filename);
 316                         return -1;
 317                 }
 318         }
 319
 320         c->events |= MPD_IDLE_STORED_PLAYLIST;
 321
 322         g_free(filename_utf8);
 323
 324         /* success */
 325         screen_status_printf(_("Saved %s"), filename);
 326         g_free(filename);
 327         return 0;
 328 }
 329
 330 #ifndef NCMPC_MINI
 331 static void add_dir(GCompletion *gcmp, gchar *dir, GList **dir_list,
 332                     GList **list, struct mpdclient *c)
 333 {
 334         g_completion_remove_items(gcmp, *list);
 335         *list = string_list_remove(*list, dir);
 336         *list = gcmp_list_from_path(c, dir, *list, GCMP_TYPE_RFILE);
 337         g_completion_add_items(gcmp, *list);
 338         *dir_list = g_list_append(*dir_list, g_strdup(dir));
 339 }
 340
 341 static void add_pre_completion_cb(GCompletion *gcmp, gchar *line, void *data)
 342 {
 343         completion_callback_data_t *tmp = (completion_callback_data_t *)data;
 344         GList **dir_list = tmp->dir_list;
 345         GList **list = tmp->list;
 346         struct mpdclient *c = tmp->c;
 347
 348         if (*list == NULL) {
 349                 /* create initial list */
 350                 *list = gcmp_list_from_path(c, "", NULL, GCMP_TYPE_RFILE);
 351                 g_completion_add_items(gcmp, *list);
 352         } else if (line && line[0] && line[strlen(line)-1]=='/' &&
 353                    string_list_find(*dir_list, line) == NULL) {
 354                 /* add directory content to list */
 355                 add_dir(gcmp, line, dir_list, list, c);
 356         }
 357 }
 358
 359 static void add_post_completion_cb(GCompletion *gcmp, gchar *line,
 360                                    GList *items, void *data)
 361 {
 362         completion_callback_data_t *tmp = (completion_callback_data_t *)data;
 363         GList **dir_list = tmp->dir_list;
 364         GList **list = tmp->list;
 365         struct mpdclient *c = tmp->c;
 366
 367         if (g_list_length(items) >= 1)
 368                 screen_display_completion_list(items);
 369
 370         if (line && line[0] && line[strlen(line) - 1] == '/' &&
 371             string_list_find(*dir_list, line) == NULL) {
 372                 /* add directory content to list */
 373                 add_dir(gcmp, line, dir_list, list, c);
 374         }
 375 }
 376 #endif
 377
 378 static int
 379 handle_add_to_playlist(struct mpdclient *c)
 380 {
 381         gchar *path;
 382         GCompletion *gcmp;
 383 #ifndef NCMPC_MINI
 384         GList *list = NULL;
 385         GList *dir_list = NULL;
 386         completion_callback_data_t data;
 387
 388         /* initialize completion support */
 389         gcmp = g_completion_new(NULL);
 390         g_completion_set_compare(gcmp, completion_strncmp);
 391         data.list = &list;
 392         data.dir_list = &dir_list;
 393         data.c = c;
 394         wrln_completion_callback_data = &data;
 395         wrln_pre_completion_callback = add_pre_completion_cb;
 396         wrln_post_completion_callback = add_post_completion_cb;
 397 #else
 398         gcmp = NULL;
 399 #endif
 400
 401         /* get path */
 402         path = screen_readln(_("Add"),
 403                              NULL,
 404                              NULL,
 405                              gcmp);
 406
 407         /* destroy completion data */
 408 #ifndef NCMPC_MINI
 409         wrln_completion_callback_data = NULL;
 410         wrln_pre_completion_callback = NULL;
 411         wrln_post_completion_callback = NULL;
 412         g_completion_free(gcmp);
 413         string_list_free(list);
 414         string_list_free(dir_list);
 415 #endif
 416
 417         /* add the path to the playlist */
 418         if (path != NULL) {
 419                 char *path_utf8 = locale_to_utf8(path);
 420                 mpdclient_cmd_add_path(c, path_utf8);
 421                 g_free(path_utf8);
 422         }
 423
 424         g_free(path);
 425         return 0;
 426 }
 427
 428 static void
 429 screen_queue_init(WINDOW *w, int cols, int rows)
 430 {
 431         lw = list_window_init(w, cols, rows);
 432
 433 #ifndef NCMPC_MINI
 434         if (options.scroll)
 435                 hscroll_init(&hscroll, w, options.scroll_sep);
 436 #endif
 437 }
 438
 439 static gboolean
 440 timer_hide_cursor(gpointer data)
 441 {
 442         struct mpdclient *c = data;
 443
 444         assert(options.hide_cursor > 0);
 445         assert(timer_hide_cursor_id != 0);
 446
 447         timer_hide_cursor_id = 0;
 448
 449         /* hide the cursor when mpd is playing and the user is inactive */
 450
 451         if (c->status != NULL &&
 452             mpd_status_get_state(c->status) == MPD_STATE_PLAY) {
 453                 lw->hide_cursor = true;
 454                 screen_queue_repaint();
 455         } else
 456                 timer_hide_cursor_id = g_timeout_add(options.hide_cursor * 1000,
 457                                                      timer_hide_cursor, c);
 458
 459         return FALSE;
 460 }
 461
 462 static void
 463 screen_queue_open(struct mpdclient *c)
 464 {
 465         playlist = &c->playlist;
 466
 467         assert(timer_hide_cursor_id == 0);
 468         if (options.hide_cursor > 0) {
 469                 lw->hide_cursor = false;
 470                 timer_hide_cursor_id = g_timeout_add(options.hide_cursor * 1000,
 471                                                      timer_hide_cursor, c);
 472         }
 473
 474         screen_queue_restore_selection();
 475         screen_queue_song_change(c->status);
 476 }
 477
 478 static void
 479 screen_queue_close(void)
 480 {
 481         if (timer_hide_cursor_id != 0) {
 482                 g_source_remove(timer_hide_cursor_id);
 483                 timer_hide_cursor_id = 0;
 484         }
 485
 486 #ifndef NCMPC_MINI
 487         if (options.scroll)
 488                 hscroll_clear(&hscroll);
 489 #endif
 490 }
 491
 492 static void
 493 screen_queue_resize(int cols, int rows)
 494 {
 495         list_window_resize(lw, cols, rows);
 496 }
 497
 498
 499 static void
 500 screen_queue_exit(void)
 501 {
 502         list_window_free(lw);
 503 }
 504
 505 static const char *
 506 screen_queue_title(char *str, size_t size)
 507 {
 508         if (options.host == NULL)
 509                 return _("Queue");
 510
 511         g_snprintf(str, size, _("Queue on %s"), options.host);
 512         return str;
 513 }
 514
 515 static void
 516 screen_queue_paint_callback(WINDOW *w, unsigned i,
 517                             unsigned y, unsigned width,
 518                             bool selected, gcc_unused void *data)
 519 {
 520         const struct mpd_song *song;
 521         struct hscroll *row_hscroll;
 522
 523         assert(playlist != NULL);
 524         assert(i < playlist_length(playlist));
 525
 526         song = playlist_get(playlist, i);
 527
 528 #ifdef NCMPC_MINI
 529         row_hscroll = NULL;
 530 #else
 531         row_hscroll = selected && options.scroll && lw->selected == i
 532                 ? &hscroll : NULL;
 533 #endif
 534
 535         paint_song_row(w, y, width, selected,
 536                        (int)mpd_song_get_id(song) == current_song_id,
 537                        song, row_hscroll);
 538 }
 539
 540 static void
 541 screen_queue_paint(void)
 542 {
 543 #ifndef NCMPC_MINI
 544         if (options.scroll)
 545                 hscroll_clear(&hscroll);
 546 #endif
 547
 548         list_window_paint2(lw, screen_queue_paint_callback, NULL);
 549 }
 550
 551 static void
 552 screen_queue_update(struct mpdclient *c)
 553 {
 554         if (c->events & MPD_IDLE_QUEUE)
 555                 screen_queue_restore_selection();
 556         else
 557                 /* the queue size may have changed, even if we havn't
 558                    received the QUEUE idle event yet */
 559                 list_window_set_length(lw, playlist_length(playlist));
 560
 561         if (((c->events & MPD_IDLE_PLAYER) != 0 &&
 562              screen_queue_song_change(c->status)) ||
 563             c->events & MPD_IDLE_QUEUE)
 564                 /* the queue or the current song has changed, we must
 565                    paint the new version */
 566                 screen_queue_repaint();
 567 }
 568
 569 #ifdef HAVE_GETMOUSE
 570 static bool
 571 handle_mouse_event(struct mpdclient *c)
 572 {
 573         int row;
 574         unsigned long bstate;
 575         unsigned old_selected;
 576
 577         if (screen_get_mouse_event(c, &bstate, &row) ||
 578             list_window_mouse(lw, bstate, row)) {
 579                 screen_queue_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         old_selected = lw->selected;
 590         list_window_set_cursor(lw, lw->start + row);
 591
 592         if (bstate & BUTTON1_CLICKED) {
 593                 /* play */
 594                 const struct mpd_song *song = screen_queue_selected_song();
 595                 if (song != NULL) {
 596                         struct mpd_connection *connection =
 597                                 mpdclient_get_connection(c);
 598
 599                         if (connection != NULL &&
 600                             !mpd_run_play_id(connection,
 601                                              mpd_song_get_id(song)))
 602                                 mpdclient_handle_error(c);
 603                 }
 604         } else if (bstate & BUTTON3_CLICKED) {
 605                 /* delete */
 606                 if (lw->selected == old_selected)
 607                         mpdclient_cmd_delete(c, lw->selected);
 608
 609                 list_window_set_length(lw, playlist_length(playlist));
 610         }
 611
 612         screen_queue_save_selection();
 613         screen_queue_repaint();
 614
 615         return true;
 616 }
 617 #endif
 618
 619 static bool
 620 screen_queue_cmd(struct mpdclient *c, command_t cmd)
 621 {
 622         struct mpd_connection *connection;
 623         static command_t cached_cmd = CMD_NONE;
 624         command_t prev_cmd = cached_cmd;
 625         struct list_window_range range;
 626         const struct mpd_song *song;
 627
 628         cached_cmd = cmd;
 629
 630         lw->hide_cursor = false;
 631
 632         if (options.hide_cursor > 0) {
 633                 if (timer_hide_cursor_id != 0)
 634                         g_source_remove(timer_hide_cursor_id);
 635                 timer_hide_cursor_id = g_timeout_add(options.hide_cursor * 1000,
 636                                                      timer_hide_cursor, c);
 637         }
 638
 639         if (list_window_cmd(lw, cmd)) {
 640                 screen_queue_save_selection();
 641                 screen_queue_repaint();
 642                 return true;
 643         }
 644
 645         switch(cmd) {
 646         case CMD_SCREEN_UPDATE:
 647                 center_playing_item(c->status, prev_cmd == CMD_SCREEN_UPDATE);
 648                 screen_queue_repaint();
 649                 return false;
 650         case CMD_SELECT_PLAYING:
 651                 list_window_set_cursor(lw, playlist_get_index(&c->playlist,
 652                                                               c->song));
 653                 screen_queue_save_selection();
 654                 screen_queue_repaint();
 655                 return true;
 656
 657         case CMD_LIST_FIND:
 658         case CMD_LIST_RFIND:
 659         case CMD_LIST_FIND_NEXT:
 660         case CMD_LIST_RFIND_NEXT:
 661                 screen_find(lw, cmd, screen_queue_lw_callback, NULL);
 662                 screen_queue_save_selection();
 663                 screen_queue_repaint();
 664                 return true;
 665         case CMD_LIST_JUMP:
 666                 screen_jump(lw, screen_queue_lw_callback, NULL, NULL);
 667                 screen_queue_save_selection();
 668                 screen_queue_repaint();
 669                 return true;
 670
 671 #ifdef HAVE_GETMOUSE
 672         case CMD_MOUSE_EVENT:
 673                 return handle_mouse_event(c);
 674 #endif
 675
 676 #ifdef ENABLE_SONG_SCREEN
 677         case CMD_SCREEN_SONG:
 678                 if (screen_queue_selected_song() != NULL) {
 679                         screen_song_switch(c, screen_queue_selected_song());
 680                         return true;
 681                 }
 682
 683                 break;
 684 #endif
 685
 686 #ifdef ENABLE_LYRICS_SCREEN
 687         case CMD_SCREEN_LYRICS:
 688                 if (lw->selected < playlist_length(&c->playlist)) {
 689                         struct mpd_song *selected = playlist_get(&c->playlist, lw->selected);
 690                         bool follow = false;
 691
 692                         if (c->song && selected &&
 693                             !strcmp(mpd_song_get_uri(selected),
 694                                     mpd_song_get_uri(c->song)))
 695                                 follow = true;
 696
 697                         screen_lyrics_switch(c, selected, follow);
 698                         return true;
 699                 }
 700
 701                 break;
 702 #endif
 703         case CMD_SCREEN_SWAP:
 704                 if (playlist_length(&c->playlist) > 0)
 705                         screen_swap(c, playlist_get(&c->playlist, lw->selected));
 706                 else
 707                         screen_swap(c, NULL);
 708                 return true;
 709
 710         default:
 711                 break;
 712         }
 713
 714         if (!mpdclient_is_connected(c))
 715                 return false;
 716
 717         switch(cmd) {
 718         case CMD_PLAY:
 719                 song = screen_queue_selected_song();
 720                 if (song == NULL)
 721                         return false;
 722
 723                 connection = mpdclient_get_connection(c);
 724                 if (connection != NULL &&
 725                     !mpd_run_play_id(connection, mpd_song_get_id(song)))
 726                         mpdclient_handle_error(c);
 727
 728                 return true;
 729
 730         case CMD_DELETE:
 731                 list_window_get_range(lw, &range);
 732                 mpdclient_cmd_delete_range(c, range.start, range.end);
 733
 734                 list_window_set_cursor(lw, range.start);
 735                 return true;
 736
 737         case CMD_SAVE_PLAYLIST:
 738                 playlist_save(c, NULL, NULL);
 739                 return true;
 740
 741         case CMD_ADD:
 742                 handle_add_to_playlist(c);
 743                 return true;
 744
 745         case CMD_SHUFFLE:
 746                 list_window_get_range(lw, &range);
 747                 if (range.end <= range.start + 1)
 748                         /* No range selection, shuffle all list. */
 749                         break;
 750
 751                 connection = mpdclient_get_connection(c);
 752                 if (connection == NULL)
 753                         return true;
 754
 755                 if (mpd_run_shuffle_range(connection, range.start, range.end))
 756                         screen_status_message(_("Shuffled queue"));
 757                 else
 758                         mpdclient_handle_error(c);
 759                 return true;
 760
 761         case CMD_LIST_MOVE_UP:
 762                 list_window_get_range(lw, &range);
 763                 if (range.start == 0 || range.end <= range.start)
 764                         return false;
 765
 766                 if (!mpdclient_cmd_move(c, range.end - 1, range.start - 1))
 767                         return true;
 768
 769                 lw->selected--;
 770                 lw->range_base--;
 771
 772                 if (lw->range_selection)
 773                         list_window_scroll_to(lw, lw->range_base);
 774                 list_window_scroll_to(lw, lw->selected);
 775
 776                 screen_queue_save_selection();
 777                 return true;
 778
 779         case CMD_LIST_MOVE_DOWN:
 780                 list_window_get_range(lw, &range);
 781                 if (range.end >= playlist_length(&c->playlist))
 782                         return false;
 783
 784                 if (!mpdclient_cmd_move(c, range.start, range.end))
 785                         return true;
 786
 787                 lw->selected++;
 788                 lw->range_base++;
 789
 790                 if (lw->range_selection)
 791                         list_window_scroll_to(lw, lw->range_base);
 792                 list_window_scroll_to(lw, lw->selected);
 793
 794                 screen_queue_save_selection();
 795                 return true;
 796
 797         case CMD_LOCATE:
 798                 if (screen_queue_selected_song() != NULL) {
 799                         screen_file_goto_song(c, screen_queue_selected_song());
 800                         return true;
 801                 }
 802
 803                 break;
 804
 805         default:
 806                 break;
 807         }
 808
 809         return false;
 810 }
 811
 812 const struct screen_functions screen_queue = {
 813         .init = screen_queue_init,
 814         .exit = screen_queue_exit,
 815         .open = screen_queue_open,
 816         .close = screen_queue_close,
 817         .resize = screen_queue_resize,
 818         .paint = screen_queue_paint,
 819         .update = screen_queue_update,
 820         .cmd = screen_queue_cmd,
 821         .get_title = screen_queue_title,
 822 };