src/screen.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.h"
  21 #include "screen_list.h"
  22 #include "screen_utils.h"
  23 #include "config.h"
  24 #include "i18n.h"
  25 #include "charset.h"
  26 #include "mpdclient.h"
  27 #include "utils.h"
  28 #include "options.h"
  29 #include "colors.h"
  30 #include "strfsong.h"
  31
  32 #ifndef NCMPC_MINI
  33 #include "hscroll.h"
  34 #endif
  35
  36 #include <stdlib.h>
  37 #include <unistd.h>
  38 #include <stdarg.h>
  39 #include <string.h>
  40 #include <time.h>
  41 #include <locale.h>
  42
  43 #ifndef NCMPC_MINI
  44 /** welcome message time [s] */
  45 static const GTime SCREEN_WELCOME_TIME = 10;
  46 #endif
  47
  48 /* minimum window size */
  49 static const int SCREEN_MIN_COLS = 14;
  50 static const int SCREEN_MIN_ROWS = 5;
  51
  52 /* screens */
  53
  54 #ifndef NCMPC_MINI
  55 static gboolean welcome = TRUE;
  56 #endif
  57
  58 struct screen screen;
  59 static const struct screen_functions *mode_fn = &screen_playlist;
  60 static const struct screen_functions *mode_fn_prev = &screen_playlist;
  61 static int seek_id = -1;
  62 static int seek_target_time = 0;
  63
  64 gboolean
  65 screen_is_visible(const struct screen_functions *sf)
  66 {
  67         return sf == mode_fn;
  68 }
  69
  70 void
  71 screen_switch(const struct screen_functions *sf, struct mpdclient *c)
  72 {
  73         assert(sf != NULL);
  74
  75         if (sf == mode_fn)
  76                 return;
  77
  78         mode_fn_prev = mode_fn;
  79
  80         /* close the old mode */
  81         if (mode_fn->close != NULL)
  82                 mode_fn->close();
  83
  84         /* get functions for the new mode */
  85         mode_fn = sf;
  86
  87         /* open the new mode */
  88         if (mode_fn->open != NULL)
  89                 mode_fn->open(c);
  90
  91         screen_paint(c);
  92 }
  93
  94 static int
  95 find_configured_screen(const char *name)
  96 {
  97         unsigned i;
  98
  99         for (i = 0; options.screen_list[i] != NULL; ++i)
 100                 if (strcmp(options.screen_list[i], name) == 0)
 101                         return i;
 102
 103         return -1;
 104 }
 105
 106 static void
 107 screen_next_mode(mpdclient_t *c, int offset)
 108 {
 109         int max = g_strv_length(options.screen_list);
 110         int current, next;
 111         const struct screen_functions *sf;
 112
 113         /* find current screen */
 114         current = find_configured_screen(screen_get_name(mode_fn));
 115         next = current + offset;
 116         if (next<0)
 117                 next = max-1;
 118         else if (next>=max)
 119                 next = 0;
 120
 121         sf = screen_lookup_name(options.screen_list[next]);
 122         if (sf != NULL)
 123                 screen_switch(sf, c);
 124 }
 125
 126 #ifndef NCMPC_MINI
 127 static void
 128 print_hotkey(WINDOW *w, command_t cmd, const char *label)
 129 {
 130         colors_use(w, COLOR_TITLE_BOLD);
 131         waddstr(w, get_key_names(cmd, FALSE));
 132         colors_use(w, COLOR_TITLE);
 133         waddch(w, ':');
 134         waddstr(w, label);
 135         waddch(w, ' ');
 136         waddch(w, ' ');
 137 }
 138 #endif
 139
 140 static void
 141 paint_top_window2(const char *header, mpdclient_t *c)
 142 {
 143         char flags[5];
 144         WINDOW *w = screen.top_window.w;
 145         char buf[32];
 146
 147         if (header[0]) {
 148                 colors_use(w, COLOR_TITLE_BOLD);
 149                 mvwaddstr(w, 0, 0, header);
 150 #ifndef NCMPC_MINI
 151         } else {
 152 #ifdef ENABLE_HELP_SCREEN
 153                 print_hotkey(w, CMD_SCREEN_HELP, _("Help"));
 154 #endif
 155                 print_hotkey(w, CMD_SCREEN_PLAY, _("Playlist"));
 156                 print_hotkey(w, CMD_SCREEN_FILE, _("Browse"));
 157 #ifdef ENABLE_ARTIST_SCREEN
 158                 print_hotkey(w, CMD_SCREEN_ARTIST, _("Artist"));
 159 #endif
 160 #ifdef ENABLE_SEARCH_SCREEN
 161                 print_hotkey(w, CMD_SCREEN_SEARCH, _("Search"));
 162 #endif
 163 #ifdef ENABLE_LYRICS_SCREEN
 164                 print_hotkey(w, CMD_SCREEN_LYRICS, _("Lyrics"));
 165 #endif
 166 #ifdef ENABLE_OUTPUTS_SCREEN
 167                 print_hotkey(w, CMD_SCREEN_OUTPUTS, _("Outputs"));
 168 #endif
 169 #endif
 170         }
 171
 172         if (c->status == NULL || c->status->volume == MPD_STATUS_NO_VOLUME) {
 173                 g_snprintf(buf, 32, _("Volume n/a "));
 174         } else {
 175                 g_snprintf(buf, 32, _(" Volume %d%%"), c->status->volume);
 176         }
 177         colors_use(w, COLOR_TITLE);
 178         mvwaddstr(w, 0, screen.top_window.cols - utf8_width(buf), buf);
 179
 180         flags[0] = 0;
 181         if (c->status != NULL) {
 182                 if (c->status->repeat)
 183                         g_strlcat(flags, "r", sizeof(flags));
 184                 if (c->status->random)
 185                         g_strlcat(flags, "z", sizeof(flags));;
 186                 if (c->status->crossfade)
 187                         g_strlcat(flags, "x", sizeof(flags));
 188                 if (c->status->updatingDb)
 189                         g_strlcat(flags, "U", sizeof(flags));
 190         }
 191
 192         colors_use(w, COLOR_LINE);
 193         mvwhline(w, 1, 0, ACS_HLINE, screen.top_window.cols);
 194         if (flags[0]) {
 195                 wmove(w,1,screen.top_window.cols-strlen(flags)-3);
 196                 waddch(w, '[');
 197                 colors_use(w, COLOR_LINE_BOLD);
 198                 waddstr(w, flags);
 199                 colors_use(w, COLOR_LINE);
 200                 waddch(w, ']');
 201         }
 202         wnoutrefresh(w);
 203 }
 204
 205 static void
 206 paint_top_window(const char *header, mpdclient_t *c, int full_repaint)
 207 {
 208         static int prev_volume = -1;
 209         static unsigned prev_header_len = -1;
 210         WINDOW *w = screen.top_window.w;
 211
 212         if (prev_header_len != utf8_width(header)) {
 213                 prev_header_len = utf8_width(header);
 214                 full_repaint = 1;
 215         }
 216
 217         if (full_repaint) {
 218                 wmove(w, 0, 0);
 219                 wclrtoeol(w);
 220         }
 221
 222         if ((c->status != NULL && prev_volume != c->status->volume) ||
 223             full_repaint)
 224                 paint_top_window2(header, c);
 225 }
 226
 227 static void
 228 paint_progress_window(mpdclient_t *c)
 229 {
 230         double p;
 231         int width;
 232         int elapsedTime;
 233
 234         if (c->status==NULL || IS_STOPPED(c->status->state)) {
 235                 mvwhline(screen.progress_window.w, 0, 0, ACS_HLINE,
 236                          screen.progress_window.cols);
 237                 wnoutrefresh(screen.progress_window.w);
 238                 return;
 239         }
 240
 241         if (c->song && seek_id == c->song->id)
 242                 elapsedTime = seek_target_time;
 243         else
 244                 elapsedTime = c->status->elapsedTime;
 245
 246         p = ((double) elapsedTime) / ((double) c->status->totalTime);
 247
 248         width = (int) (p * (double) screen.progress_window.cols);
 249         mvwhline(screen.progress_window.w,
 250                  0, 0,
 251                  ACS_HLINE,
 252                  screen.progress_window.cols);
 253         whline(screen.progress_window.w, '=', width-1);
 254         mvwaddch(screen.progress_window.w, 0, width-1, 'O');
 255         wnoutrefresh(screen.progress_window.w);
 256 }
 257
 258 static void
 259 paint_status_window(mpdclient_t *c)
 260 {
 261         WINDOW *w = screen.status_window.w;
 262         mpd_Status *status = c->status;
 263         mpd_Song *song = c->song;
 264         int elapsedTime = 0;
 265 #ifdef NCMPC_MINI
 266         static char bitrate[1];
 267 #else
 268         char bitrate[16];
 269 #endif
 270         const char *str = NULL;
 271         int x = 0;
 272
 273         if( time(NULL) - screen.status_timestamp <= options.status_message_time )
 274                 return;
 275
 276         wmove(w, 0, 0);
 277         wclrtoeol(w);
 278         colors_use(w, COLOR_STATUS_BOLD);
 279
 280         switch (status == NULL ? MPD_STATUS_STATE_STOP : status->state) {
 281         case MPD_STATUS_STATE_PLAY:
 282                 str = _("Playing:");
 283                 break;
 284         case MPD_STATUS_STATE_PAUSE:
 285                 str = _("[Paused]");
 286                 break;
 287         case MPD_STATUS_STATE_STOP:
 288         default:
 289                 break;
 290         }
 291
 292         if (str) {
 293                 waddstr(w, str);
 294                 x += utf8_width(str) + 1;
 295         }
 296
 297         /* create time string */
 298         memset(screen.buf, 0, screen.buf_size);
 299         if (status != NULL && (IS_PLAYING(status->state) ||
 300                                IS_PAUSED(status->state))) {
 301                 if (status->totalTime > 0) {
 302                         /*checks the conf to see whether to display elapsed or remaining time */
 303                         if(!strcmp(options.timedisplay_type,"elapsed"))
 304                                 elapsedTime = c->status->elapsedTime;
 305                         else if(!strcmp(options.timedisplay_type,"remaining"))
 306                                 elapsedTime = (c->status->totalTime - c->status->elapsedTime);
 307
 308                         if( c->song && seek_id == c->song->id )
 309                                 elapsedTime = seek_target_time;
 310
 311                         /* display bitrate if visible-bitrate is true */
 312 #ifndef NCMPC_MINI
 313                         if (options.visible_bitrate) {
 314                                 g_snprintf(bitrate, 16,
 315                                            " [%d kbps]", status->bitRate);
 316                         } else {
 317                                 bitrate[0] = '\0';
 318                         }
 319 #endif
 320
 321                         /*write out the time, using hours if time over 60 minutes*/
 322                         if (c->status->totalTime > 3600) {
 323                                 g_snprintf(screen.buf, screen.buf_size,
 324                                            "%s [%i:%02i:%02i/%i:%02i:%02i]",
 325                                            bitrate, elapsedTime/3600, (elapsedTime%3600)/60, elapsedTime%60,
 326                                            status->totalTime/3600, (status->totalTime%3600)/60,  status->totalTime%60);
 327                         } else {
 328                                 g_snprintf(screen.buf, screen.buf_size,
 329                                            "%s [%i:%02i/%i:%02i]",
 330                                            bitrate, elapsedTime/60, elapsedTime%60,
 331                                            status->totalTime/60,   status->totalTime%60 );
 332                         }
 333 #ifndef NCMPC_MINI
 334                 } else {
 335                         g_snprintf(screen.buf, screen.buf_size,
 336                                    " [%d kbps]", status->bitRate );
 337 #endif
 338                 }
 339 #ifndef NCMPC_MINI
 340         } else {
 341                 if (options.display_time) {
 342                         time_t timep;
 343
 344                         time(&timep);
 345                         strftime(screen.buf, screen.buf_size, "%X ",localtime(&timep));
 346                 }
 347 #endif
 348         }
 349
 350         /* display song */
 351         if (status != NULL && (IS_PLAYING(status->state) ||
 352                                IS_PAUSED(status->state))) {
 353                 char songname[MAX_SONGNAME_LENGTH];
 354 #ifndef NCMPC_MINI
 355                 int width = COLS - x - utf8_width(screen.buf);
 356 #endif
 357
 358                 if (song)
 359                         strfsong(songname, MAX_SONGNAME_LENGTH,
 360                                  options.status_format, song);
 361                 else
 362                         songname[0] = '\0';
 363
 364                 colors_use(w, COLOR_STATUS);
 365                 /* scroll if the song name is to long */
 366 #ifndef NCMPC_MINI
 367                 if (options.scroll && utf8_width(songname) > (unsigned)width) {
 368                         static  scroll_state_t st = { 0, 0 };
 369                         char *tmp = strscroll(songname, options.scroll_sep, width, &st);
 370
 371                         g_strlcpy(songname, tmp, MAX_SONGNAME_LENGTH);
 372                         g_free(tmp);
 373                 }
 374 #endif
 375                 //mvwaddnstr(w, 0, x, songname, width);
 376                 mvwaddstr(w, 0, x, songname);
 377         }
 378
 379         /* display time string */
 380         if (screen.buf[0]) {
 381                 x = screen.status_window.cols - strlen(screen.buf);
 382                 colors_use(w, COLOR_STATUS_TIME);
 383                 mvwaddstr(w, 0, x, screen.buf);
 384         }
 385
 386         wnoutrefresh(w);
 387 }
 388
 389 void
 390 screen_exit(void)
 391 {
 392         if (mode_fn->close != NULL)
 393                 mode_fn->close();
 394
 395         screen_list_exit();
 396
 397         string_list_free(screen.find_history);
 398         g_free(screen.buf);
 399         g_free(screen.findbuf);
 400 }
 401
 402 void
 403 screen_resize(struct mpdclient *c)
 404 {
 405         if (COLS<SCREEN_MIN_COLS || LINES<SCREEN_MIN_ROWS) {
 406                 screen_exit();
 407                 fprintf(stderr, "%s", _("Error: Screen too small"));
 408                 exit(EXIT_FAILURE);
 409         }
 410
 411         resizeterm(LINES, COLS);
 412
 413         screen.cols = COLS;
 414         screen.rows = LINES;
 415
 416         /* top window */
 417         screen.top_window.cols = screen.cols;
 418         wresize(screen.top_window.w, 2, screen.cols);
 419
 420         /* main window */
 421         screen.main_window.cols = screen.cols;
 422         screen.main_window.rows = screen.rows-4;
 423         wresize(screen.main_window.w, screen.main_window.rows, screen.cols);
 424         wclear(screen.main_window.w);
 425
 426         /* progress window */
 427         screen.progress_window.cols = screen.cols;
 428         wresize(screen.progress_window.w, 1, screen.cols);
 429         mvwin(screen.progress_window.w, screen.rows-2, 0);
 430
 431         /* status window */
 432         screen.status_window.cols = screen.cols;
 433         wresize(screen.status_window.w, 1, screen.cols);
 434         mvwin(screen.status_window.w, screen.rows-1, 0);
 435
 436         screen.buf_size = screen.cols;
 437         g_free(screen.buf);
 438         screen.buf = g_malloc(screen.cols);
 439
 440         /* resize all screens */
 441         screen_list_resize(screen.main_window.cols, screen.main_window.rows);
 442
 443         /* ? - without this the cursor becomes visible with aterm & Eterm */
 444         curs_set(1);
 445         curs_set(0);
 446
 447         screen_paint(c);
 448 }
 449
 450 void
 451 screen_status_message(const char *msg)
 452 {
 453         WINDOW *w = screen.status_window.w;
 454
 455         wmove(w, 0, 0);
 456         wclrtoeol(w);
 457         colors_use(w, COLOR_STATUS_ALERT);
 458         waddstr(w, msg);
 459         wnoutrefresh(w);
 460         screen.status_timestamp = time(NULL);
 461 }
 462
 463 void
 464 screen_status_printf(const char *format, ...)
 465 {
 466         char *msg;
 467         va_list ap;
 468
 469         va_start(ap,format);
 470         msg = g_strdup_vprintf(format,ap);
 471         va_end(ap);
 472         screen_status_message(msg);
 473         g_free(msg);
 474 }
 475
 476 void
 477 screen_init(mpdclient_t *c)
 478 {
 479         if (COLS < SCREEN_MIN_COLS || LINES < SCREEN_MIN_ROWS) {
 480                 fprintf(stderr, "%s\n", _("Error: Screen too small"));
 481                 exit(EXIT_FAILURE);
 482         }
 483
 484         screen.cols = COLS;
 485         screen.rows = LINES;
 486
 487         screen.buf  = g_malloc(screen.cols);
 488         screen.buf_size = screen.cols;
 489         screen.findbuf = NULL;
 490         screen.start_timestamp = time(NULL);
 491         screen.last_cmd = CMD_NONE;
 492
 493         /* create top window */
 494         screen.top_window.rows = 2;
 495         screen.top_window.cols = screen.cols;
 496         screen.top_window.w = newwin(screen.top_window.rows,
 497                                       screen.top_window.cols,
 498                                       0, 0);
 499         leaveok(screen.top_window.w, TRUE);
 500         keypad(screen.top_window.w, TRUE);
 501
 502         /* create main window */
 503         screen.main_window.rows = screen.rows-4;
 504         screen.main_window.cols = screen.cols;
 505         screen.main_window.w = newwin(screen.main_window.rows,
 506                                        screen.main_window.cols,
 507                                        2,
 508                                        0);
 509
 510         //  leaveok(screen.main_window.w, TRUE); temporary disabled
 511         keypad(screen.main_window.w, TRUE);
 512
 513         /* create progress window */
 514         screen.progress_window.rows = 1;
 515         screen.progress_window.cols = screen.cols;
 516         screen.progress_window.w = newwin(screen.progress_window.rows,
 517                                            screen.progress_window.cols,
 518                                            screen.rows-2,
 519                                            0);
 520         leaveok(screen.progress_window.w, TRUE);
 521
 522         /* create status window */
 523         screen.status_window.rows = 1;
 524         screen.status_window.cols = screen.cols;
 525         screen.status_window.w = newwin(screen.status_window.rows,
 526                                          screen.status_window.cols,
 527                                          screen.rows-1,
 528                                          0);
 529
 530         leaveok(screen.status_window.w, FALSE);
 531         keypad(screen.status_window.w, TRUE);
 532
 533 #ifdef ENABLE_COLORS
 534         if (options.enable_colors) {
 535                 /* set background attributes */
 536                 wbkgd(stdscr, COLOR_PAIR(COLOR_LIST));
 537                 wbkgd(screen.main_window.w,     COLOR_PAIR(COLOR_LIST));
 538                 wbkgd(screen.top_window.w,      COLOR_PAIR(COLOR_TITLE));
 539                 wbkgd(screen.progress_window.w, COLOR_PAIR(COLOR_PROGRESSBAR));
 540                 wbkgd(screen.status_window.w,   COLOR_PAIR(COLOR_STATUS));
 541                 colors_use(screen.progress_window.w, COLOR_PROGRESSBAR);
 542         }
 543 #endif
 544
 545         refresh();
 546
 547         /* initialize screens */
 548         screen_list_init(screen.main_window.w,
 549                          screen.main_window.cols, screen.main_window.rows);
 550
 551         if (mode_fn->open != NULL)
 552                 mode_fn->open(c);
 553 }
 554
 555 void
 556 screen_paint(mpdclient_t *c)
 557 {
 558         const char *title = NULL;
 559
 560         if (mode_fn->get_title != NULL)
 561                 title = mode_fn->get_title(screen.buf, screen.buf_size);
 562
 563         /* paint the title/header window */
 564         if( title )
 565                 paint_top_window(title, c, 1);
 566         else
 567                 paint_top_window("", c, 1);
 568
 569         /* paint the main window */
 570         wclear(screen.main_window.w);
 571         if (mode_fn->paint != NULL)
 572                 mode_fn->paint();
 573
 574         paint_progress_window(c);
 575         paint_status_window(c);
 576         wmove(screen.main_window.w, 0, 0);
 577         wnoutrefresh(screen.main_window.w);
 578
 579         /* tell curses to update */
 580         doupdate();
 581 }
 582
 583 void
 584 screen_update(mpdclient_t *c)
 585 {
 586 #ifndef NCMPC_MINI
 587         static int repeat = -1;
 588         static int random_enabled = -1;
 589         static int crossfade = -1;
 590         static int dbupdate = -1;
 591
 592         /* print a message if mpd status has changed */
 593         if (c->status != NULL) {
 594                 if (repeat < 0) {
 595                         repeat = c->status->repeat;
 596                         random_enabled = c->status->random;
 597                         crossfade = c->status->crossfade;
 598                         dbupdate = c->status->updatingDb;
 599                 }
 600
 601                 if (repeat != c->status->repeat)
 602                         screen_status_printf(c->status->repeat ?
 603                                              _("Repeat is on") :
 604                                              _("Repeat is off"));
 605
 606                 if (random_enabled != c->status->random)
 607                         screen_status_printf(c->status->random ?
 608                                              _("Random is on") :
 609                                              _("Random is off"));
 610
 611                 if (crossfade != c->status->crossfade)
 612                         screen_status_printf(_("Crossfade %d seconds"), c->status->crossfade);
 613
 614                 if (dbupdate && dbupdate != c->status->updatingDb) {
 615                         screen_status_printf(_("Database updated"));
 616                         mpdclient_browse_callback(c, BROWSE_DB_UPDATED, NULL);
 617                 }
 618
 619                 repeat = c->status->repeat;
 620                 random_enabled = c->status->random;
 621                 crossfade = c->status->crossfade;
 622                 dbupdate = c->status->updatingDb;
 623         }
 624
 625         /* update title/header window */
 626         if (welcome && options.welcome_screen_list &&
 627             screen.last_cmd==CMD_NONE &&
 628             time(NULL)-screen.start_timestamp <= SCREEN_WELCOME_TIME)
 629                 paint_top_window("", c, 0);
 630         else
 631 #endif
 632         if (mode_fn->get_title != NULL) {
 633                 paint_top_window(mode_fn->get_title(screen.buf,screen.buf_size), c, 0);
 634 #ifndef NCMPC_MINI
 635                 welcome = FALSE;
 636 #endif
 637         } else
 638                 paint_top_window("", c, 0);
 639
 640         /* update the main window */
 641         if (mode_fn->update != NULL)
 642                 mode_fn->update(c);
 643
 644         /* update progress window */
 645         paint_progress_window(c);
 646
 647         /* update status window */
 648         paint_status_window(c);
 649
 650         /* move the cursor to the origin */
 651         wmove(screen.main_window.w, 0, 0);
 652         wnoutrefresh(screen.main_window.w);
 653
 654         /* tell curses to update */
 655         doupdate();
 656 }
 657
 658 void
 659 screen_idle(mpdclient_t *c)
 660 {
 661         if (c->song && seek_id == c->song->id &&
 662             (screen.last_cmd == CMD_SEEK_FORWARD ||
 663              screen.last_cmd == CMD_SEEK_BACKWARD))
 664                 mpdclient_cmd_seek(c, seek_id, seek_target_time);
 665
 666         screen.last_cmd = CMD_NONE;
 667         seek_id = -1;
 668 }
 669
 670 #ifdef HAVE_GETMOUSE
 671 int
 672 screen_get_mouse_event(mpdclient_t *c, unsigned long *bstate, int *row)
 673 {
 674         MEVENT event;
 675
 676         /* retrieve the mouse event from ncurses */
 677         getmouse(&event);
 678         /* calculate the selected row in the list window */
 679         *row = event.y - screen.top_window.rows;
 680         /* copy button state bits */
 681         *bstate = event.bstate;
 682         /* if button 2 was pressed switch screen */
 683         if (event.bstate & BUTTON2_CLICKED) {
 684                 screen_cmd(c, CMD_SCREEN_NEXT);
 685                 return 1;
 686         }
 687
 688         return 0;
 689 }
 690 #endif
 691
 692 static int
 693 screen_client_cmd(mpdclient_t *c, command_t cmd)
 694 {
 695         if (c->connection == NULL || c->status == NULL)
 696                 return 0;
 697
 698         switch(cmd) {
 699                 /*
 700         case CMD_PLAY:
 701                 mpdclient_cmd_play(c, MPD_PLAY_AT_BEGINNING);
 702                 break;
 703                 */
 704         case CMD_PAUSE:
 705                 mpdclient_cmd_pause(c, !IS_PAUSED(c->status->state));
 706                 break;
 707         case CMD_STOP:
 708                 mpdclient_cmd_stop(c);
 709                 break;
 710         case CMD_CROP:
 711                 mpdclient_cmd_crop(c);
 712                 break;
 713         case CMD_SEEK_FORWARD:
 714                 if (!IS_STOPPED(c->status->state)) {
 715                         if (c->song && seek_id != c->song->id) {
 716                                 seek_id = c->song->id;
 717                                 seek_target_time = c->status->elapsedTime;
 718                         }
 719                         seek_target_time+=options.seek_time;
 720                         if (seek_target_time < c->status->totalTime)
 721                                 break;
 722                         seek_target_time = c->status->totalTime;
 723                         /* seek_target_time=0; */
 724                 }
 725                 break;
 726                 /* fall through... */
 727         case CMD_TRACK_NEXT:
 728                 if (!IS_STOPPED(c->status->state))
 729                         mpdclient_cmd_next(c);
 730                 break;
 731         case CMD_SEEK_BACKWARD:
 732                 if (!IS_STOPPED(c->status->state)) {
 733                         if (seek_id != c->song->id) {
 734                                 seek_id = c->song->id;
 735                                 seek_target_time = c->status->elapsedTime;
 736                         }
 737                         seek_target_time-=options.seek_time;
 738                         if (seek_target_time < 0)
 739                                 seek_target_time=0;
 740                 }
 741                 break;
 742         case CMD_TRACK_PREVIOUS:
 743                 if (!IS_STOPPED(c->status->state))
 744                         mpdclient_cmd_prev(c);
 745                 break;
 746         case CMD_SHUFFLE:
 747                 if (mpdclient_cmd_shuffle(c) == 0)
 748                         screen_status_message(_("Shuffled playlist"));
 749                 break;
 750         case CMD_CLEAR:
 751                 if (mpdclient_cmd_clear(c) == 0)
 752                         screen_status_message(_("Cleared playlist"));
 753                 break;
 754         case CMD_REPEAT:
 755                 mpdclient_cmd_repeat(c, !c->status->repeat);
 756                 break;
 757         case CMD_RANDOM:
 758                 mpdclient_cmd_random(c, !c->status->random);
 759                 break;
 760         case CMD_CROSSFADE:
 761                 if (c->status->crossfade)
 762                         mpdclient_cmd_crossfade(c, 0);
 763                 else
 764                         mpdclient_cmd_crossfade(c, options.crossfade_time);
 765                 break;
 766         case CMD_DB_UPDATE:
 767                 if (!c->status->updatingDb) {
 768                         if( mpdclient_cmd_db_update(c,NULL)==0 )
 769                                 screen_status_printf(_("Database update started"));
 770                 } else
 771                         screen_status_printf(_("Database update running..."));
 772                 break;
 773         case CMD_VOLUME_UP:
 774                 if( c->status->volume!=MPD_STATUS_NO_VOLUME && c->status->volume<100 )
 775                         mpdclient_cmd_volume(c, ++c->status->volume);
 776                 break;
 777         case CMD_VOLUME_DOWN:
 778                 if( c->status->volume!=MPD_STATUS_NO_VOLUME && c->status->volume>0 )
 779                         mpdclient_cmd_volume(c, --c->status->volume);
 780                 break;
 781
 782         default:
 783                 return 0;
 784         }
 785
 786         return 1;
 787 }
 788
 789 void
 790 screen_cmd(mpdclient_t *c, command_t cmd)
 791 {
 792         screen.last_cmd = cmd;
 793 #ifndef NCMPC_MINI
 794         welcome = FALSE;
 795 #endif
 796
 797         if (mode_fn->cmd != NULL && mode_fn->cmd(c, cmd))
 798                 return;
 799
 800         if (screen_client_cmd(c, cmd))
 801                 return;
 802
 803         switch(cmd) {
 804         case CMD_TOGGLE_FIND_WRAP:
 805                 options.find_wrap = !options.find_wrap;
 806                 screen_status_printf(options.find_wrap ?
 807                                      _("Find mode: Wrapped") :
 808                                      _("Find mode: Normal"));
 809                 break;
 810         case CMD_TOGGLE_AUTOCENTER:
 811                 options.auto_center = !options.auto_center;
 812                 screen_status_printf(options.auto_center ?
 813                                      _("Auto center mode: On") :
 814                                      _("Auto center mode: Off"));
 815                 break;
 816         case CMD_SCREEN_UPDATE:
 817                 screen_paint(c);
 818                 break;
 819         case CMD_SCREEN_PREVIOUS:
 820                 screen_next_mode(c, -1);
 821                 break;
 822         case CMD_SCREEN_NEXT:
 823                 screen_next_mode(c, 1);
 824                 break;
 825         case CMD_SCREEN_PLAY:
 826                 screen_switch(&screen_playlist, c);
 827                 break;
 828         case CMD_SCREEN_FILE:
 829                 screen_switch(&screen_browse, c);
 830                 break;
 831 #ifdef ENABLE_HELP_SCREEN
 832         case CMD_SCREEN_HELP:
 833                 screen_switch(&screen_help, c);
 834                 break;
 835 #endif
 836 #ifdef ENABLE_SEARCH_SCREEN
 837         case CMD_SCREEN_SEARCH:
 838                 screen_switch(&screen_search, c);
 839                 break;
 840 #endif
 841 #ifdef ENABLE_ARTIST_SCREEN
 842         case CMD_SCREEN_ARTIST:
 843                 screen_switch(&screen_artist, c);
 844                 break;
 845 #endif
 846 #ifdef ENABLE_KEYDEF_SCREEN
 847         case CMD_SCREEN_KEYDEF:
 848                 screen_switch(&screen_keydef, c);
 849                 break;
 850 #endif
 851 #ifdef ENABLE_LYRICS_SCREEN
 852         case CMD_SCREEN_LYRICS:
 853                 screen_switch(&screen_lyrics, c);
 854                 break;
 855 #endif
 856 #ifdef ENABLE_OUTPUTS_SCREEN
 857         case CMD_SCREEN_OUTPUTS:
 858                 screen_switch(&screen_outputs, c);
 859                 break;
 860         case CMD_SCREEN_SWAP:
 861                 screen_switch(mode_fn_prev, c);
 862                 break;
 863 #endif
 864
 865         default:
 866                 break;
 867         }
 868 }