src/screen.c

   1 /*
   2  * (c) 2004 by Kalle Wallin <kaw@linux.se>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program; if not, write to the Free Software
  15  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  16  *
  17  */
  18
  19 #include "screen.h"
  20 #include "screen_list.h"
  21 #include "screen_utils.h"
  22 #include "config.h"
  23 #include "i18n.h"
  24 #include "support.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 #include <stdlib.h>
  33 #include <unistd.h>
  34 #include <stdarg.h>
  35 #include <string.h>
  36 #include <time.h>
  37 #include <locale.h>
  38
  39 #ifndef NCMPC_MINI
  40 /** welcome message time [s] */
  41 static const GTime SCREEN_WELCOME_TIME = 10;
  42 #endif
  43
  44 /** status message time [s] */
  45 static const GTime SCREEN_STATUS_MESSAGE_TIME = 3;
  46
  47 /* minumum window size */
  48 static const int SCREEN_MIN_COLS = 14;
  49 static const int SCREEN_MIN_ROWS = 5;
  50
  51 /* screens */
  52
  53 #ifndef NCMPC_MINI
  54 static gboolean welcome = TRUE;
  55 #endif
  56
  57 struct screen screen;
  58 static const struct screen_functions *mode_fn = &screen_playlist;
  59 static int seek_id = -1;
  60 static int seek_target_time = 0;
  61
  62 gboolean
  63 screen_is_visible(const struct screen_functions *sf)
  64 {
  65         return sf == mode_fn;
  66 }
  67
  68 void
  69 screen_switch(const struct screen_functions *sf, struct mpdclient *c)
  70 {
  71         assert(sf != NULL);
  72
  73         if (sf == mode_fn)
  74                 return;
  75
  76         /* close the old mode */
  77         if (mode_fn->close != NULL)
  78                 mode_fn->close();
  79
  80         /* get functions for the new mode */
  81         mode_fn = sf;
  82
  83         /* open the new mode */
  84         if (mode_fn->open != NULL)
  85                 mode_fn->open(c);
  86
  87         screen_paint(c);
  88 }
  89
  90 static int
  91 find_configured_screen(const char *name)
  92 {
  93         unsigned i;
  94
  95         for (i = 0; options.screen_list[i] != NULL; ++i)
  96                 if (strcmp(options.screen_list[i], name) == 0)
  97                         return i;
  98
  99         return -1;
 100 }
 101
 102 static void
 103 screen_next_mode(mpdclient_t *c, int offset)
 104 {
 105         int max = g_strv_length(options.screen_list);
 106         int current, next;
 107         const struct screen_functions *sf;
 108
 109         /* find current screen */
 110         current = find_configured_screen(screen_get_name(mode_fn));
 111         next = current + offset;
 112         if (next<0)
 113                 next = max-1;
 114         else if (next>=max)
 115                 next = 0;
 116
 117         sf = screen_lookup_name(options.screen_list[next]);
 118         if (sf != NULL)
 119                 screen_switch(sf, c);
 120 }
 121
 122 #ifndef NCMPC_MINI
 123 static void
 124 print_hotkey(WINDOW *w, command_t cmd, const char *label)
 125 {
 126         colors_use(w, COLOR_TITLE_BOLD);
 127         waddstr(w, get_key_names(cmd, FALSE));
 128         colors_use(w, COLOR_TITLE);
 129         waddch(w, ':');
 130         waddstr(w, label);
 131         waddch(w, ' ');
 132         waddch(w, ' ');
 133 }
 134 #endif
 135
 136 static void
 137 paint_top_window2(const char *header, mpdclient_t *c)
 138 {
 139         char flags[5];
 140         WINDOW *w = screen.top_window.w;
 141         char buf[32];
 142
 143         if (header[0]) {
 144                 colors_use(w, COLOR_TITLE_BOLD);
 145                 mvwaddstr(w, 0, 0, header);
 146 #ifndef NCMPC_MINI
 147         } else {
 148 #ifdef ENABLE_HELP_SCREEN
 149                 print_hotkey(w, CMD_SCREEN_HELP, _("Help"));
 150 #endif
 151                 print_hotkey(w, CMD_SCREEN_PLAY, _("Playlist"));
 152                 print_hotkey(w, CMD_SCREEN_FILE, _("Browse"));
 153 #ifdef ENABLE_ARTIST_SCREEN
 154                 print_hotkey(w, CMD_SCREEN_ARTIST, _("Artist"));
 155 #endif
 156 #ifdef ENABLE_SEARCH_SCREEN
 157                 print_hotkey(w, CMD_SCREEN_SEARCH, _("Search"));
 158 #endif
 159 #ifdef ENABLE_LYRICS_SCREEN
 160                 print_hotkey(w, CMD_SCREEN_LYRICS, _("Lyrics"));
 161 #endif
 162 #ifdef ENABLE_OUTPUTS_SCREEN
 163                 colors_use(w, COLOR_TITLE_BOLD);
 164                 waddstr(w, get_key_names(CMD_SCREEN_OUTPUTS, FALSE));
 165                 colors_use(w, COLOR_TITLE);
 166                 waddstr(w, _(":Outputs  "));
 167 #endif
 168 #endif
 169         }
 170
 171         if (c->status == NULL || c->status->volume == MPD_STATUS_NO_VOLUME) {
 172                 g_snprintf(buf, 32, _("Volume n/a "));
 173         } else {
 174                 g_snprintf(buf, 32, _(" Volume %d%%"), c->status->volume);
 175         }
 176         colors_use(w, COLOR_TITLE);
 177         mvwaddstr(w, 0, screen.top_window.cols - utf8_width(buf), buf);
 178
 179         flags[0] = 0;
 180         if (c->status != NULL) {
 181                 if (c->status->repeat)
 182                         g_strlcat(flags, "r", sizeof(flags));
 183                 if (c->status->random)
 184                         g_strlcat(flags, "z", sizeof(flags));;
 185                 if (c->status->crossfade)
 186                         g_strlcat(flags, "x", sizeof(flags));
 187                 if (c->status->updatingDb)
 188                         g_strlcat(flags, "U", sizeof(flags));
 189         }
 190
 191         colors_use(w, COLOR_LINE);
 192         mvwhline(w, 1, 0, ACS_HLINE, screen.top_window.cols);
 193         if (flags[0]) {
 194                 wmove(w,1,screen.top_window.cols-strlen(flags)-3);
 195                 waddch(w, '[');
 196                 colors_use(w, COLOR_LINE_BOLD);
 197                 waddstr(w, flags);
 198                 colors_use(w, COLOR_LINE);
 199                 waddch(w, ']');
 200         }
 201         wnoutrefresh(w);
 202 }
 203
 204 static void
 205 paint_top_window(const char *header, mpdclient_t *c, int full_repaint)
 206 {
 207         static int prev_volume = -1;
 208         static unsigned prev_header_len = -1;
 209         WINDOW *w = screen.top_window.w;
 210
 211         if (prev_header_len != utf8_width(header)) {
 212                 prev_header_len = utf8_width(header);
 213                 full_repaint = 1;
 214         }
 215
 216         if (full_repaint) {
 217                 wmove(w, 0, 0);
 218                 wclrtoeol(w);
 219         }
 220
 221         if ((c->status != NULL && prev_volume != c->status->volume) ||
 222             full_repaint)
 223                 paint_top_window2(header, c);
 224 }
 225
 226 static void
 227 paint_progress_window(mpdclient_t *c)
 228 {
 229         double p;
 230         int width;
 231         int elapsedTime;
 232
 233         if (c->status==NULL || IS_STOPPED(c->status->state)) {
 234                 mvwhline(screen.progress_window.w, 0, 0, ACS_HLINE,
 235                          screen.progress_window.cols);
 236                 wnoutrefresh(screen.progress_window.w);
 237                 return;
 238         }
 239
 240         if (c->song && seek_id == c->song->id)
 241                 elapsedTime = seek_target_time;
 242         else
 243                 elapsedTime = c->status->elapsedTime;
 244
 245         p = ((double) elapsedTime) / ((double) c->status->totalTime);
 246
 247         width = (int) (p * (double) screen.progress_window.cols);
 248         mvwhline(screen.progress_window.w,
 249                  0, 0,
 250                  ACS_HLINE,
 251                  screen.progress_window.cols);
 252         whline(screen.progress_window.w, '=', width-1);
 253         mvwaddch(screen.progress_window.w, 0, width-1, 'O');
 254         wnoutrefresh(screen.progress_window.w);
 255 }
 256
 257 static void
 258 paint_status_window(mpdclient_t *c)
 259 {
 260         WINDOW *w = screen.status_window.w;
 261         mpd_Status *status = c->status;
 262         mpd_Song *song = c->song;
 263         int elapsedTime = 0;
 264 #ifdef NCMPC_MINI
 265         static char bitrate[1];
 266 #else
 267         char bitrate[16];
 268 #endif
 269         const char *str = NULL;
 270         int x = 0;
 271
 272         if( time(NULL) - screen.status_timestamp <= SCREEN_STATUS_MESSAGE_TIME )
 273                 return;
 274
 275         wmove(w, 0, 0);
 276         wclrtoeol(w);
 277         colors_use(w, COLOR_STATUS_BOLD);
 278
 279         switch (status == NULL ? MPD_STATUS_STATE_STOP : status->state) {
 280         case MPD_STATUS_STATE_PLAY:
 281                 str = _("Playing:");
 282                 break;
 283         case MPD_STATUS_STATE_PAUSE:
 284                 str = _("[Paused]");
 285                 break;
 286         case MPD_STATUS_STATE_STOP:
 287         default:
 288                 break;
 289         }
 290
 291         if (str) {
 292                 waddstr(w, str);
 293                 x += utf8_width(str) + 1;
 294         }
 295
 296         /* create time string */
 297         memset(screen.buf, 0, screen.buf_size);
 298         if (status != NULL && (IS_PLAYING(status->state) ||
 299                                IS_PAUSED(status->state))) {
 300                 if (status->totalTime > 0) {
 301                         /*checks the conf to see whether to display elapsed or remaining time */
 302                         if(!strcmp(options.timedisplay_type,"elapsed"))
 303                                 elapsedTime = c->status->elapsedTime;
 304                         else if(!strcmp(options.timedisplay_type,"remaining"))
 305                                 elapsedTime = (c->status->totalTime - c->status->elapsedTime);
 306
 307                         if( c->song && seek_id == c->song->id )
 308                                 elapsedTime = seek_target_time;
 309
 310                         /* display bitrate if visible-bitrate is true */
 311 #ifndef NCMPC_MINI
 312                         if (options.visible_bitrate) {
 313                                 g_snprintf(bitrate, 16,
 314                                            " [%d kbps]", status->bitRate);
 315                         } else {
 316                                 bitrate[0] = '\0';
 317                         }
 318 #endif
 319
 320                         /*write out the time, using hours if time over 60 minutes*/
 321                         if (c->status->totalTime > 3600) {
 322                                 g_snprintf(screen.buf, screen.buf_size,
 323                                            "%s [%i:%02i:%02i/%i:%02i:%02i]",
 324                                            bitrate, elapsedTime/3600, (elapsedTime%3600)/60, elapsedTime%60,
 325                                            status->totalTime/3600, (status->totalTime%3600)/60,  status->totalTime%60);
 326                         } else {
 327                                 g_snprintf(screen.buf, screen.buf_size,
 328                                            "%s [%i:%02i/%i:%02i]",
 329                                            bitrate, elapsedTime/60, elapsedTime%60,
 330                                            status->totalTime/60,   status->totalTime%60 );
 331                         }
 332 #ifndef NCMPC_MINI
 333                 } else {
 334                         g_snprintf(screen.buf, screen.buf_size,
 335                                    " [%d kbps]", status->bitRate );
 336 #endif
 337                 }
 338 #ifndef NCMPC_MINI
 339         } else {
 340                 time_t timep;
 341
 342                 time(&timep);
 343                 strftime(screen.buf, screen.buf_size, "%X ",localtime(&timep));
 344 #endif
 345         }
 346
 347         /* display song */
 348         if (status != NULL && (IS_PLAYING(status->state) ||
 349                                IS_PAUSED(status->state))) {
 350                 char songname[MAX_SONGNAME_LENGTH];
 351 #ifndef NCMPC_MINI
 352                 int width = COLS - x - utf8_width(screen.buf);
 353 #endif
 354
 355                 if (song)
 356                         strfsong(songname, MAX_SONGNAME_LENGTH,
 357                                  options.status_format, song);
 358                 else
 359                         songname[0] = '\0';
 360
 361                 colors_use(w, COLOR_STATUS);
 362                 /* scroll if the song name is to long */
 363 #ifndef NCMPC_MINI
 364                 if (options.scroll && utf8_width(songname) > (unsigned)width) {
 365                         static  scroll_state_t st = { 0, 0 };
 366                         char *tmp = strscroll(songname, options.scroll_sep, width, &st);
 367
 368                         g_strlcpy(songname, tmp, MAX_SONGNAME_LENGTH);
 369                         g_free(tmp);
 370                 }
 371 #endif
 372                 //mvwaddnstr(w, 0, x, songname, width);
 373                 mvwaddstr(w, 0, x, songname);
 374         }
 375
 376         /* display time string */
 377         if (screen.buf[0]) {
 378                 x = screen.status_window.cols - strlen(screen.buf);
 379                 colors_use(w, COLOR_STATUS_TIME);
 380                 mvwaddstr(w, 0, x, screen.buf);
 381         }
 382
 383         wnoutrefresh(w);
 384 }
 385
 386 void
 387 screen_exit(void)
 388 {
 389         if (mode_fn->close != NULL)
 390                 mode_fn->close();
 391
 392         screen_list_exit();
 393
 394         string_list_free(screen.find_history);
 395         g_free(screen.buf);
 396         g_free(screen.findbuf);
 397 }
 398
 399 void
 400 screen_resize(struct mpdclient *c)
 401 {
 402         if (COLS<SCREEN_MIN_COLS || LINES<SCREEN_MIN_ROWS) {
 403                 screen_exit();
 404                 fprintf(stderr, "%s", _("Error: Screen too small"));
 405                 exit(EXIT_FAILURE);
 406         }
 407
 408         resizeterm(LINES, COLS);
 409
 410         screen.cols = COLS;
 411         screen.rows = LINES;
 412
 413         /* top window */
 414         screen.top_window.cols = screen.cols;
 415         wresize(screen.top_window.w, 2, screen.cols);
 416
 417         /* main window */
 418         screen.main_window.cols = screen.cols;
 419         screen.main_window.rows = screen.rows-4;
 420         wresize(screen.main_window.w, screen.main_window.rows, screen.cols);
 421         wclear(screen.main_window.w);
 422
 423         /* progress window */
 424         screen.progress_window.cols = screen.cols;
 425         wresize(screen.progress_window.w, 1, screen.cols);
 426         mvwin(screen.progress_window.w, screen.rows-2, 0);
 427
 428         /* status window */
 429         screen.status_window.cols = screen.cols;
 430         wresize(screen.status_window.w, 1, screen.cols);
 431         mvwin(screen.status_window.w, screen.rows-1, 0);
 432
 433         screen.buf_size = screen.cols;
 434         g_free(screen.buf);
 435         screen.buf = g_malloc(screen.cols);
 436
 437         /* resize all screens */
 438         screen_list_resize(screen.main_window.cols, screen.main_window.rows);
 439
 440         /* ? - without this the cursor becomes visible with aterm & Eterm */
 441         curs_set(1);
 442         curs_set(0);
 443
 444         screen_paint(c);
 445 }
 446
 447 void
 448 screen_status_message(const char *msg)
 449 {
 450         WINDOW *w = screen.status_window.w;
 451
 452         wmove(w, 0, 0);
 453         wclrtoeol(w);
 454         colors_use(w, COLOR_STATUS_ALERT);
 455         waddstr(w, msg);
 456         wnoutrefresh(w);
 457         screen.status_timestamp = time(NULL);
 458 }
 459
 460 void
 461 screen_status_printf(const char *format, ...)
 462 {
 463         char *msg;
 464         va_list ap;
 465
 466         va_start(ap,format);
 467         msg = g_strdup_vprintf(format,ap);
 468         va_end(ap);
 469         screen_status_message(msg);
 470         g_free(msg);
 471 }
 472
 473 void
 474 screen_init(mpdclient_t *c)
 475 {
 476         if (COLS < SCREEN_MIN_COLS || LINES < SCREEN_MIN_ROWS) {
 477                 fprintf(stderr, "%s\n", _("Error: Screen too small"));
 478                 exit(EXIT_FAILURE);
 479         }
 480
 481         screen.cols = COLS;
 482         screen.rows = LINES;
 483
 484         screen.buf  = g_malloc(screen.cols);
 485         screen.buf_size = screen.cols;
 486         screen.findbuf = NULL;
 487         screen.start_timestamp = time(NULL);
 488         screen.last_cmd = CMD_NONE;
 489
 490         /* create top window */
 491         screen.top_window.rows = 2;
 492         screen.top_window.cols = screen.cols;
 493         screen.top_window.w = newwin(screen.top_window.rows,
 494                                       screen.top_window.cols,
 495                                       0, 0);
 496         leaveok(screen.top_window.w, TRUE);
 497         keypad(screen.top_window.w, TRUE);
 498
 499         /* create main window */
 500         screen.main_window.rows = screen.rows-4;
 501         screen.main_window.cols = screen.cols;
 502         screen.main_window.w = newwin(screen.main_window.rows,
 503                                        screen.main_window.cols,
 504                                        2,
 505                                        0);
 506
 507         //  leaveok(screen.main_window.w, TRUE); temporary disabled
 508         keypad(screen.main_window.w, TRUE);
 509
 510         /* create progress window */
 511         screen.progress_window.rows = 1;
 512         screen.progress_window.cols = screen.cols;
 513         screen.progress_window.w = newwin(screen.progress_window.rows,
 514                                            screen.progress_window.cols,
 515                                            screen.rows-2,
 516                                            0);
 517         leaveok(screen.progress_window.w, TRUE);
 518
 519         /* create status window */
 520         screen.status_window.rows = 1;
 521         screen.status_window.cols = screen.cols;
 522         screen.status_window.w = newwin(screen.status_window.rows,
 523                                          screen.status_window.cols,
 524                                          screen.rows-1,
 525                                          0);
 526
 527         leaveok(screen.status_window.w, FALSE);
 528         keypad(screen.status_window.w, TRUE);
 529
 530 #ifdef ENABLE_COLORS
 531         if (options.enable_colors) {
 532                 /* set background attributes */
 533                 wbkgd(stdscr, COLOR_PAIR(COLOR_LIST));
 534                 wbkgd(screen.main_window.w,     COLOR_PAIR(COLOR_LIST));
 535                 wbkgd(screen.top_window.w,      COLOR_PAIR(COLOR_TITLE));
 536                 wbkgd(screen.progress_window.w, COLOR_PAIR(COLOR_PROGRESSBAR));
 537                 wbkgd(screen.status_window.w,   COLOR_PAIR(COLOR_STATUS));
 538                 colors_use(screen.progress_window.w, COLOR_PROGRESSBAR);
 539         }
 540 #endif
 541
 542         refresh();
 543
 544         /* initialize screens */
 545         screen_list_init(screen.main_window.w,
 546                          screen.main_window.cols, screen.main_window.rows);
 547
 548         if (mode_fn->open != NULL)
 549                 mode_fn->open(c);
 550 }
 551
 552 void
 553 screen_paint(mpdclient_t *c)
 554 {
 555         const char *title = NULL;
 556
 557         if (mode_fn->get_title != NULL)
 558                 title = mode_fn->get_title(screen.buf, screen.buf_size);
 559
 560         /* paint the title/header window */
 561         if( title )
 562                 paint_top_window(title, c, 1);
 563         else
 564                 paint_top_window("", c, 1);
 565
 566         /* paint the main window */
 567         wclear(screen.main_window.w);
 568         if (mode_fn->paint != NULL)
 569                 mode_fn->paint();
 570
 571         paint_progress_window(c);
 572         paint_status_window(c);
 573         wmove(screen.main_window.w, 0, 0);
 574         wnoutrefresh(screen.main_window.w);
 575
 576         /* tell curses to update */
 577         doupdate();
 578 }
 579
 580 void
 581 screen_update(mpdclient_t *c)
 582 {
 583 #ifndef NCMPC_MINI
 584         static int repeat = -1;
 585         static int random_enabled = -1;
 586         static int crossfade = -1;
 587         static int dbupdate = -1;
 588
 589         /* print a message if mpd status has changed */
 590         if (c->status != NULL) {
 591                 if (repeat < 0) {
 592                         repeat = c->status->repeat;
 593                         random_enabled = c->status->random;
 594                         crossfade = c->status->crossfade;
 595                         dbupdate = c->status->updatingDb;
 596                 }
 597
 598                 if (repeat != c->status->repeat)
 599                         screen_status_printf(c->status->repeat ?
 600                                              _("Repeat is on") :
 601                                              _("Repeat is off"));
 602
 603                 if (random_enabled != c->status->random)
 604                         screen_status_printf(c->status->random ?
 605                                              _("Random is on") :
 606                                              _("Random is off"));
 607
 608                 if (crossfade != c->status->crossfade)
 609                         screen_status_printf(_("Crossfade %d seconds"), c->status->crossfade);
 610
 611                 if (dbupdate && dbupdate != c->status->updatingDb) {
 612                         screen_status_printf(_("Database updated"));
 613                         mpdclient_browse_callback(c, BROWSE_DB_UPDATED, NULL);
 614                 }
 615
 616                 repeat = c->status->repeat;
 617                 random_enabled = c->status->random;
 618                 crossfade = c->status->crossfade;
 619                 dbupdate = c->status->updatingDb;
 620         }
 621
 622         /* update title/header window */
 623         if (welcome && options.welcome_screen_list &&
 624             screen.last_cmd==CMD_NONE &&
 625             time(NULL)-screen.start_timestamp <= SCREEN_WELCOME_TIME)
 626                 paint_top_window("", c, 0);
 627         else
 628 #endif
 629         if (mode_fn->get_title != NULL) {
 630                 paint_top_window(mode_fn->get_title(screen.buf,screen.buf_size), c, 0);
 631 #ifndef NCMPC_MINI
 632                 welcome = FALSE;
 633 #endif
 634         } else
 635                 paint_top_window("", c, 0);
 636
 637         /* update the main window */
 638         if (mode_fn->update != NULL)
 639                 mode_fn->update(c);
 640
 641         /* update progress window */
 642         paint_progress_window(c);
 643
 644         /* update status window */
 645         paint_status_window(c);
 646
 647         /* move the cursor to the origin */
 648         wmove(screen.main_window.w, 0, 0);
 649         wnoutrefresh(screen.main_window.w);
 650
 651         /* tell curses to update */
 652         doupdate();
 653 }
 654
 655 void
 656 screen_idle(mpdclient_t *c)
 657 {
 658         if (c->song && seek_id == c->song->id &&
 659             (screen.last_cmd == CMD_SEEK_FORWARD ||
 660              screen.last_cmd == CMD_SEEK_BACKWARD))
 661                 mpdclient_cmd_seek(c, seek_id, seek_target_time);
 662
 663         screen.last_cmd = CMD_NONE;
 664         seek_id = -1;
 665 }
 666
 667 #ifdef HAVE_GETMOUSE
 668 int
 669 screen_get_mouse_event(mpdclient_t *c, unsigned long *bstate, int *row)
 670 {
 671         MEVENT event;
 672
 673         /* retreive the mouse event from ncurses */
 674         getmouse(&event);
 675         /* calculate the selected row in the list window */
 676         *row = event.y - screen.top_window.rows;
 677         /* copy button state bits */
 678         *bstate = event.bstate;
 679         /* if button 2 was pressed switch screen */
 680         if (event.bstate & BUTTON2_CLICKED) {
 681                 screen_cmd(c, CMD_SCREEN_NEXT);
 682                 return 1;
 683         }
 684
 685         return 0;
 686 }
 687 #endif
 688
 689 static int
 690 screen_client_cmd(mpdclient_t *c, command_t cmd)
 691 {
 692         if (c->connection == NULL || c->status == NULL)
 693                 return 0;
 694
 695         switch(cmd) {
 696                 /*
 697         case CMD_PLAY:
 698                 mpdclient_cmd_play(c, MPD_PLAY_AT_BEGINNING);
 699                 break;
 700                 */
 701         case CMD_PAUSE:
 702                 mpdclient_cmd_pause(c, !IS_PAUSED(c->status->state));
 703                 break;
 704         case CMD_STOP:
 705                 mpdclient_cmd_stop(c);
 706                 break;
 707         case CMD_CROP:
 708                 mpdclient_cmd_crop(c);
 709                 break;
 710         case CMD_SEEK_FORWARD:
 711                 if (!IS_STOPPED(c->status->state)) {
 712                         if (c->song && seek_id != c->song->id) {
 713                                 seek_id = c->song->id;
 714                                 seek_target_time = c->status->elapsedTime;
 715                         }
 716                         seek_target_time+=options.seek_time;
 717                         if (seek_target_time < c->status->totalTime)
 718                                 break;
 719                         seek_target_time = c->status->totalTime;
 720                         /* seek_target_time=0; */
 721                 }
 722                 break;
 723                 /* fall through... */
 724         case CMD_TRACK_NEXT:
 725                 if (!IS_STOPPED(c->status->state))
 726                         mpdclient_cmd_next(c);
 727                 break;
 728         case CMD_SEEK_BACKWARD:
 729                 if (!IS_STOPPED(c->status->state)) {
 730                         if (seek_id != c->song->id) {
 731                                 seek_id = c->song->id;
 732                                 seek_target_time = c->status->elapsedTime;
 733                         }
 734                         seek_target_time-=options.seek_time;
 735                         if (seek_target_time < 0)
 736                                 seek_target_time=0;
 737                 }
 738                 break;
 739         case CMD_TRACK_PREVIOUS:
 740                 if (!IS_STOPPED(c->status->state))
 741                         mpdclient_cmd_prev(c);
 742                 break;
 743         case CMD_SHUFFLE:
 744                 if (mpdclient_cmd_shuffle(c) == 0)
 745                         screen_status_message(_("Shuffled playlist"));
 746                 break;
 747         case CMD_CLEAR:
 748                 if (mpdclient_cmd_clear(c) == 0)
 749                         screen_status_message(_("Cleared playlist"));
 750                 break;
 751         case CMD_REPEAT:
 752                 mpdclient_cmd_repeat(c, !c->status->repeat);
 753                 break;
 754         case CMD_RANDOM:
 755                 mpdclient_cmd_random(c, !c->status->random);
 756                 break;
 757         case CMD_CROSSFADE:
 758                 if (c->status->crossfade)
 759                         mpdclient_cmd_crossfade(c, 0);
 760                 else
 761                         mpdclient_cmd_crossfade(c, options.crossfade_time);
 762                 break;
 763         case CMD_DB_UPDATE:
 764                 if (!c->status->updatingDb) {
 765                         if( mpdclient_cmd_db_update(c,NULL)==0 )
 766                                 screen_status_printf(_("Database update started"));
 767                 } else
 768                         screen_status_printf(_("Database update running..."));
 769                 break;
 770         case CMD_VOLUME_UP:
 771                 if( c->status->volume!=MPD_STATUS_NO_VOLUME && c->status->volume<100 )
 772                         mpdclient_cmd_volume(c, ++c->status->volume);
 773                 break;
 774         case CMD_VOLUME_DOWN:
 775                 if( c->status->volume!=MPD_STATUS_NO_VOLUME && c->status->volume>0 )
 776                         mpdclient_cmd_volume(c, --c->status->volume);
 777                 break;
 778
 779         default:
 780                 return 0;
 781         }
 782
 783         return 1;
 784 }
 785
 786 void
 787 screen_cmd(mpdclient_t *c, command_t cmd)
 788 {
 789         screen.last_cmd = cmd;
 790 #ifndef NCMPC_MINI
 791         welcome = FALSE;
 792 #endif
 793
 794         if (mode_fn->cmd != NULL && mode_fn->cmd(c, cmd))
 795                 return;
 796
 797         if (screen_client_cmd(c, cmd))
 798                 return;
 799
 800         switch(cmd) {
 801         case CMD_TOGGLE_FIND_WRAP:
 802                 options.find_wrap = !options.find_wrap;
 803                 screen_status_printf(options.find_wrap ?
 804                                      _("Find mode: Wrapped") :
 805                                      _("Find mode: Normal"));
 806                 break;
 807         case CMD_TOGGLE_AUTOCENTER:
 808                 options.auto_center = !options.auto_center;
 809                 screen_status_printf(options.auto_center ?
 810                                      _("Auto center mode: On") :
 811                                      _("Auto center mode: Off"));
 812                 break;
 813         case CMD_SCREEN_UPDATE:
 814                 screen_paint(c);
 815                 break;
 816         case CMD_SCREEN_PREVIOUS:
 817                 screen_next_mode(c, -1);
 818                 break;
 819         case CMD_SCREEN_NEXT:
 820                 screen_next_mode(c, 1);
 821                 break;
 822         case CMD_SCREEN_PLAY:
 823                 screen_switch(&screen_playlist, c);
 824                 break;
 825         case CMD_SCREEN_FILE:
 826                 screen_switch(&screen_browse, c);
 827                 break;
 828 #ifdef ENABLE_HELP_SCREEN
 829         case CMD_SCREEN_HELP:
 830                 screen_switch(&screen_help, c);
 831                 break;
 832 #endif
 833 #ifdef ENABLE_SEARCH_SCREEN
 834         case CMD_SCREEN_SEARCH:
 835                 screen_switch(&screen_search, c);
 836                 break;
 837 #endif
 838 #ifdef ENABLE_ARTIST_SCREEN
 839         case CMD_SCREEN_ARTIST:
 840                 screen_switch(&screen_artist, c);
 841                 break;
 842 #endif
 843 #ifdef ENABLE_KEYDEF_SCREEN
 844         case CMD_SCREEN_KEYDEF:
 845                 screen_switch(&screen_keydef, c);
 846                 break;
 847 #endif
 848 #ifdef ENABLE_LYRICS_SCREEN
 849         case CMD_SCREEN_LYRICS:
 850                 screen_switch(&screen_lyrics, c);
 851                 break;
 852 #endif
 853 #ifdef ENABLE_OUTPUTS_SCREEN
 854         case CMD_SCREEN_OUTPUTS:
 855                 screen_switch(&screen_outputs, c);
 856                 break;
 857 #endif
 858         default:
 859                 break;
 860         }
 861 }