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 "command.h"
  29 #include "options.h"
  30 #include "colors.h"
  31 #include "strfsong.h"
  32 #include "wreadln.h"
  33
  34 #include <stdlib.h>
  35 #include <unistd.h>
  36 #include <stdarg.h>
  37 #include <string.h>
  38 #include <time.h>
  39 #include <locale.h>
  40
  41 /** welcome message time [s] */
  42 static const unsigned SCREEN_WELCOME_TIME = 10;
  43
  44 /** status message time [s] */
  45 static const unsigned 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 static gboolean welcome = TRUE;
  54 static struct screen screen;
  55 static const struct screen_functions *mode_fn = &screen_playlist;
  56 static int seek_id = -1;
  57 static int seek_target_time = 0;
  58
  59 gboolean
  60 screen_is_visible(const struct screen_functions *sf)
  61 {
  62         return sf == mode_fn;
  63 }
  64
  65 void
  66 screen_switch(const struct screen_functions *sf, struct mpdclient *c)
  67 {
  68         assert(sf != NULL);
  69
  70         if (sf == mode_fn)
  71                 return;
  72
  73         /* close the old mode */
  74         if (mode_fn->close != NULL)
  75                 mode_fn->close();
  76
  77         /* get functions for the new mode */
  78         mode_fn = sf;
  79         screen.painted = 0;
  80
  81         /* open the new mode */
  82         if (mode_fn->open != NULL)
  83                 mode_fn->open(&screen, c);
  84 }
  85
  86 static int
  87 find_configured_screen(const char *name)
  88 {
  89         unsigned i;
  90
  91         for (i = 0; options.screen_list[i] != NULL; ++i)
  92                 if (strcmp(options.screen_list[i], name) == 0)
  93                         return i;
  94
  95         return -1;
  96 }
  97
  98 static void
  99 screen_next_mode(mpdclient_t *c, int offset)
 100 {
 101         int max = g_strv_length(options.screen_list);
 102         int current, next;
 103         const struct screen_functions *sf;
 104
 105         /* find current screen */
 106         current = find_configured_screen(screen_get_name(mode_fn));
 107         next = current + offset;
 108         if (next<0)
 109                 next = max-1;
 110         else if (next>=max)
 111                 next = 0;
 112
 113         sf = screen_lookup_name(options.screen_list[next]);
 114         if (sf != NULL)
 115                 screen_switch(sf, c);
 116 }
 117
 118 static void
 119 paint_top_window2(const char *header, mpdclient_t *c)
 120 {
 121         char flags[5];
 122         WINDOW *w = screen.top_window.w;
 123         char buf[32];
 124
 125         if (header[0]) {
 126                 colors_use(w, COLOR_TITLE_BOLD);
 127                 mvwaddstr(w, 0, 0, header);
 128         } else {
 129                 colors_use(w, COLOR_TITLE_BOLD);
 130                 waddstr(w, get_key_names(CMD_SCREEN_HELP, FALSE));
 131                 colors_use(w, COLOR_TITLE);
 132                 waddstr(w, _(":Help  "));
 133                 colors_use(w, COLOR_TITLE_BOLD);
 134                 waddstr(w, get_key_names(CMD_SCREEN_PLAY, FALSE));
 135                 colors_use(w, COLOR_TITLE);
 136                 waddstr(w, _(":Playlist  "));
 137                 colors_use(w, COLOR_TITLE_BOLD);
 138                 waddstr(w, get_key_names(CMD_SCREEN_FILE, FALSE));
 139                 colors_use(w, COLOR_TITLE);
 140                 waddstr(w, _(":Browse  "));
 141 #ifdef ENABLE_ARTIST_SCREEN
 142                 colors_use(w, COLOR_TITLE_BOLD);
 143                 waddstr(w, get_key_names(CMD_SCREEN_ARTIST, FALSE));
 144                 colors_use(w, COLOR_TITLE);
 145                 waddstr(w, _(":Artist  "));
 146 #endif
 147 #ifdef ENABLE_SEARCH_SCREEN
 148                 colors_use(w, COLOR_TITLE_BOLD);
 149                 waddstr(w, get_key_names(CMD_SCREEN_SEARCH, FALSE));
 150                 colors_use(w, COLOR_TITLE);
 151                 waddstr(w, _(":Search  "));
 152 #endif
 153 #ifdef ENABLE_LYRICS_SCREEN
 154                 colors_use(w, COLOR_TITLE_BOLD);
 155                 waddstr(w, get_key_names(CMD_SCREEN_LYRICS, FALSE));
 156                 colors_use(w, COLOR_TITLE);
 157                 waddstr(w, _(":Lyrics  "));
 158 #endif
 159         }
 160         if (c->status == NULL || c->status->volume == MPD_STATUS_NO_VOLUME) {
 161                 g_snprintf(buf, 32, _("Volume n/a "));
 162         } else {
 163                 g_snprintf(buf, 32, _(" Volume %d%%"), c->status->volume);
 164         }
 165         colors_use(w, COLOR_TITLE);
 166         mvwaddstr(w, 0, screen.top_window.cols - utf8_width(buf), buf);
 167
 168         flags[0] = 0;
 169         if (c->status != NULL) {
 170                 if (c->status->repeat)
 171                         g_strlcat(flags, "r", sizeof(flags));
 172                 if (c->status->random)
 173                         g_strlcat(flags, "z", sizeof(flags));;
 174                 if (c->status->crossfade)
 175                         g_strlcat(flags, "x", sizeof(flags));
 176                 if (c->status->updatingDb)
 177                         g_strlcat(flags, "U", sizeof(flags));
 178         }
 179
 180         colors_use(w, COLOR_LINE);
 181         mvwhline(w, 1, 0, ACS_HLINE, screen.top_window.cols);
 182         if (flags[0]) {
 183                 wmove(w,1,screen.top_window.cols-strlen(flags)-3);
 184                 waddch(w, '[');
 185                 colors_use(w, COLOR_LINE_BOLD);
 186                 waddstr(w, flags);
 187                 colors_use(w, COLOR_LINE);
 188                 waddch(w, ']');
 189         }
 190         wnoutrefresh(w);
 191 }
 192
 193 static void
 194 paint_top_window(const char *header, mpdclient_t *c, int full_repaint)
 195 {
 196         static int prev_volume = -1;
 197         static unsigned prev_header_len = -1;
 198         WINDOW *w = screen.top_window.w;
 199
 200         if (prev_header_len != utf8_width(header)) {
 201                 prev_header_len = utf8_width(header);
 202                 full_repaint = 1;
 203         }
 204
 205         if (full_repaint) {
 206                 wmove(w, 0, 0);
 207                 wclrtoeol(w);
 208         }
 209
 210         if ((c->status != NULL && prev_volume != c->status->volume) ||
 211             full_repaint)
 212                 paint_top_window2(header, c);
 213 }
 214
 215 static void
 216 paint_progress_window(mpdclient_t *c)
 217 {
 218         double p;
 219         int width;
 220         int elapsedTime;
 221
 222         if (c->status==NULL || IS_STOPPED(c->status->state)) {
 223                 mvwhline(screen.progress_window.w, 0, 0, ACS_HLINE,
 224                          screen.progress_window.cols);
 225                 wnoutrefresh(screen.progress_window.w);
 226                 return;
 227         }
 228
 229         if (c->song && seek_id == c->song->id)
 230                 elapsedTime = seek_target_time;
 231         else
 232                 elapsedTime = c->status->elapsedTime;
 233
 234         p = ((double) elapsedTime) / ((double) c->status->totalTime);
 235
 236         width = (int) (p * (double) screen.progress_window.cols);
 237         mvwhline(screen.progress_window.w,
 238                  0, 0,
 239                  ACS_HLINE,
 240                  screen.progress_window.cols);
 241         whline(screen.progress_window.w, '=', width-1);
 242         mvwaddch(screen.progress_window.w, 0, width-1, 'O');
 243         wnoutrefresh(screen.progress_window.w);
 244 }
 245
 246 static void
 247 paint_status_window(mpdclient_t *c)
 248 {
 249         WINDOW *w = screen.status_window.w;
 250         mpd_Status *status = c->status;
 251         mpd_Song *song = c->song;
 252         int elapsedTime = 0;
 253         char bitrate[16];
 254         const char *str = NULL;
 255         int x = 0;
 256
 257         if( time(NULL) - screen.status_timestamp <= SCREEN_STATUS_MESSAGE_TIME )
 258                 return;
 259
 260         wmove(w, 0, 0);
 261         wclrtoeol(w);
 262         colors_use(w, COLOR_STATUS_BOLD);
 263
 264         switch (status == NULL ? MPD_STATUS_STATE_STOP : status->state) {
 265         case MPD_STATUS_STATE_PLAY:
 266                 str = _("Playing:");
 267                 break;
 268         case MPD_STATUS_STATE_PAUSE:
 269                 str = _("[Paused]");
 270                 break;
 271         case MPD_STATUS_STATE_STOP:
 272         default:
 273                 break;
 274         }
 275
 276         if (str) {
 277                 waddstr(w, str);
 278                 x += utf8_width(str) + 1;
 279         }
 280
 281         /* create time string */
 282         memset(screen.buf, 0, screen.buf_size);
 283         if (status != NULL && (IS_PLAYING(status->state) ||
 284                                IS_PAUSED(status->state))) {
 285                 if (status->totalTime > 0) {
 286                         /*checks the conf to see whether to display elapsed or remaining time */
 287                         if(!strcmp(options.timedisplay_type,"elapsed"))
 288                                 elapsedTime = c->status->elapsedTime;
 289                         else if(!strcmp(options.timedisplay_type,"remaining"))
 290                                 elapsedTime = (c->status->totalTime - c->status->elapsedTime);
 291
 292                         if( c->song && seek_id == c->song->id )
 293                                 elapsedTime = seek_target_time;
 294
 295                         /* display bitrate if visible-bitrate is true */
 296                         if (options.visible_bitrate) {
 297                                 g_snprintf(bitrate, 16,
 298                                            " [%d kbps]", status->bitRate);
 299                         } else {
 300                                 bitrate[0] = '\0';
 301                         }
 302
 303                         /*write out the time, using hours if time over 60 minutes*/
 304                         if (c->status->totalTime > 3600) {
 305                                 g_snprintf(screen.buf, screen.buf_size,
 306                                            "%s [%i:%02i:%02i/%i:%02i:%02i]",
 307                                            bitrate, elapsedTime/3600, (elapsedTime%3600)/60, elapsedTime%60,
 308                                            status->totalTime/3600, (status->totalTime%3600)/60,  status->totalTime%60);
 309                         } else {
 310                                 g_snprintf(screen.buf, screen.buf_size,
 311                                            "%s [%i:%02i/%i:%02i]",
 312                                            bitrate, elapsedTime/60, elapsedTime%60,
 313                                            status->totalTime/60,   status->totalTime%60 );
 314                         }
 315                 } else {
 316                         g_snprintf(screen.buf, screen.buf_size,
 317                                    " [%d kbps]", status->bitRate );
 318                 }
 319         } else {
 320                 time_t timep;
 321
 322                 time(&timep);
 323                 strftime(screen.buf, screen.buf_size, "%X ",localtime(&timep));
 324         }
 325
 326         /* display song */
 327         if (status != NULL && (IS_PLAYING(status->state) ||
 328                                IS_PAUSED(status->state))) {
 329                 char songname[MAX_SONGNAME_LENGTH];
 330                 int width = COLS - x - utf8_width(screen.buf);
 331
 332                 if (song)
 333                         strfsong(songname, MAX_SONGNAME_LENGTH,
 334                                  options.status_format, song);
 335                 else
 336                         songname[0] = '\0';
 337
 338                 colors_use(w, COLOR_STATUS);
 339                 /* scroll if the song name is to long */
 340                 if (options.scroll && utf8_width(songname) > (unsigned)width) {
 341                         static  scroll_state_t st = { 0, 0 };
 342                         char *tmp = strscroll(songname, options.scroll_sep, width, &st);
 343
 344                         g_strlcpy(songname, tmp, MAX_SONGNAME_LENGTH);
 345                         g_free(tmp);
 346                 }
 347                 //mvwaddnstr(w, 0, x, songname, width);
 348                 mvwaddstr(w, 0, x, songname);
 349         }
 350
 351         /* display time string */
 352         if (screen.buf[0]) {
 353                 x = screen.status_window.cols - strlen(screen.buf);
 354                 colors_use(w, COLOR_STATUS_TIME);
 355                 mvwaddstr(w, 0, x, screen.buf);
 356         }
 357
 358         wnoutrefresh(w);
 359 }
 360
 361 void
 362 screen_exit(void)
 363 {
 364         if (mode_fn->close != NULL)
 365                 mode_fn->close();
 366
 367         screen_list_exit();
 368
 369         string_list_free(screen.find_history);
 370         g_free(screen.buf);
 371         g_free(screen.findbuf);
 372 }
 373
 374 void
 375 screen_resize(void)
 376 {
 377         if (COLS<SCREEN_MIN_COLS || LINES<SCREEN_MIN_ROWS) {
 378                 screen_exit();
 379                 fprintf(stderr, _("Error: Screen to small!\n"));
 380                 exit(EXIT_FAILURE);
 381         }
 382
 383         resizeterm(LINES, COLS);
 384
 385         screen.cols = COLS;
 386         screen.rows = LINES;
 387
 388         /* top window */
 389         screen.top_window.cols = screen.cols;
 390         wresize(screen.top_window.w, 2, screen.cols);
 391
 392         /* main window */
 393         screen.main_window.cols = screen.cols;
 394         screen.main_window.rows = screen.rows-4;
 395         wresize(screen.main_window.w, screen.main_window.rows, screen.cols);
 396         wclear(screen.main_window.w);
 397
 398         /* progress window */
 399         screen.progress_window.cols = screen.cols;
 400         wresize(screen.progress_window.w, 1, screen.cols);
 401         mvwin(screen.progress_window.w, screen.rows-2, 0);
 402
 403         /* status window */
 404         screen.status_window.cols = screen.cols;
 405         wresize(screen.status_window.w, 1, screen.cols);
 406         mvwin(screen.status_window.w, screen.rows-1, 0);
 407
 408         screen.buf_size = screen.cols;
 409         g_free(screen.buf);
 410         screen.buf = g_malloc(screen.cols);
 411
 412         /* resize all screens */
 413         screen_list_resize(screen.main_window.cols, screen.main_window.rows);
 414
 415         /* ? - without this the cursor becomes visible with aterm & Eterm */
 416         curs_set(1);
 417         curs_set(0);
 418
 419         screen.painted = 0;
 420 }
 421
 422 void
 423 screen_status_message(const char *msg)
 424 {
 425         WINDOW *w = screen.status_window.w;
 426
 427         wmove(w, 0, 0);
 428         wclrtoeol(w);
 429         colors_use(w, COLOR_STATUS_ALERT);
 430         waddstr(w, msg);
 431         wnoutrefresh(w);
 432         screen.status_timestamp = time(NULL);
 433 }
 434
 435 void
 436 screen_status_printf(const char *format, ...)
 437 {
 438         char *msg;
 439         va_list ap;
 440
 441         va_start(ap,format);
 442         msg = g_strdup_vprintf(format,ap);
 443         va_end(ap);
 444         screen_status_message(msg);
 445         g_free(msg);
 446 }
 447
 448 void
 449 screen_init(mpdclient_t *c)
 450 {
 451         if (COLS < SCREEN_MIN_COLS || LINES < SCREEN_MIN_ROWS) {
 452                 fprintf(stderr, _("Error: Screen to small!\n"));
 453                 exit(EXIT_FAILURE);
 454         }
 455
 456         screen.cols = COLS;
 457         screen.rows = LINES;
 458
 459         screen.buf  = g_malloc(screen.cols);
 460         screen.buf_size = screen.cols;
 461         screen.findbuf = NULL;
 462         screen.painted = 0;
 463         screen.start_timestamp = time(NULL);
 464         screen.last_cmd = CMD_NONE;
 465
 466         /* create top window */
 467         screen.top_window.rows = 2;
 468         screen.top_window.cols = screen.cols;
 469         screen.top_window.w = newwin(screen.top_window.rows,
 470                                       screen.top_window.cols,
 471                                       0, 0);
 472         leaveok(screen.top_window.w, TRUE);
 473         keypad(screen.top_window.w, TRUE);
 474
 475         /* create main window */
 476         screen.main_window.rows = screen.rows-4;
 477         screen.main_window.cols = screen.cols;
 478         screen.main_window.w = newwin(screen.main_window.rows,
 479                                        screen.main_window.cols,
 480                                        2,
 481                                        0);
 482
 483         //  leaveok(screen.main_window.w, TRUE); temporary disabled
 484         keypad(screen.main_window.w, TRUE);
 485
 486         /* create progress window */
 487         screen.progress_window.rows = 1;
 488         screen.progress_window.cols = screen.cols;
 489         screen.progress_window.w = newwin(screen.progress_window.rows,
 490                                            screen.progress_window.cols,
 491                                            screen.rows-2,
 492                                            0);
 493         leaveok(screen.progress_window.w, TRUE);
 494
 495         /* create status window */
 496         screen.status_window.rows = 1;
 497         screen.status_window.cols = screen.cols;
 498         screen.status_window.w = newwin(screen.status_window.rows,
 499                                          screen.status_window.cols,
 500                                          screen.rows-1,
 501                                          0);
 502
 503         leaveok(screen.status_window.w, FALSE);
 504         keypad(screen.status_window.w, TRUE);
 505
 506         if (options.enable_colors) {
 507                 /* set background attributes */
 508                 wbkgd(stdscr, COLOR_PAIR(COLOR_LIST));
 509                 wbkgd(screen.main_window.w,     COLOR_PAIR(COLOR_LIST));
 510                 wbkgd(screen.top_window.w,      COLOR_PAIR(COLOR_TITLE));
 511                 wbkgd(screen.progress_window.w, COLOR_PAIR(COLOR_PROGRESSBAR));
 512                 wbkgd(screen.status_window.w,   COLOR_PAIR(COLOR_STATUS));
 513                 colors_use(screen.progress_window.w, COLOR_PROGRESSBAR);
 514         }
 515
 516         refresh();
 517
 518         /* initialize screens */
 519         screen_list_init(screen.main_window.w,
 520                          screen.main_window.cols, screen.main_window.rows);
 521
 522         if (mode_fn->open != NULL)
 523                 mode_fn->open(&screen, c);
 524
 525         /* initialize wreadln */
 526         wrln_wgetch = my_wgetch;
 527         wrln_max_history_length = 16;
 528 }
 529
 530 void
 531 screen_paint(mpdclient_t *c)
 532 {
 533         const char *title = NULL;
 534
 535         if (mode_fn->get_title != NULL)
 536                 title = mode_fn->get_title(screen.buf, screen.buf_size);
 537
 538         /* paint the title/header window */
 539         if( title )
 540                 paint_top_window(title, c, 1);
 541         else
 542                 paint_top_window("", c, 1);
 543
 544         /* paint the main window */
 545         wclear(screen.main_window.w);
 546         if (mode_fn->paint != NULL)
 547                 mode_fn->paint(c);
 548
 549         paint_progress_window(c);
 550         paint_status_window(c);
 551         screen.painted = 1;
 552         wmove(screen.main_window.w, 0, 0);
 553         wnoutrefresh(screen.main_window.w);
 554
 555         /* tell curses to update */
 556         doupdate();
 557 }
 558
 559 void
 560 screen_update(mpdclient_t *c)
 561 {
 562         static int repeat = -1;
 563         static int random_enabled = -1;
 564         static int crossfade = -1;
 565         static int dbupdate = -1;
 566
 567         if( !screen.painted )
 568                 screen_paint(c);
 569
 570         /* print a message if mpd status has changed */
 571         if (c->status != NULL) {
 572                 if (repeat < 0) {
 573                         repeat = c->status->repeat;
 574                         random_enabled = c->status->random;
 575                         crossfade = c->status->crossfade;
 576                         dbupdate = c->status->updatingDb;
 577                 }
 578
 579                 if (repeat != c->status->repeat)
 580                         screen_status_printf(c->status->repeat ?
 581                                              _("Repeat is on") :
 582                                              _("Repeat is off"));
 583
 584                 if (random_enabled != c->status->random)
 585                         screen_status_printf(c->status->random ?
 586                                              _("Random is on") :
 587                                              _("Random is off"));
 588
 589                 if (crossfade != c->status->crossfade)
 590                         screen_status_printf(_("Crossfade %d seconds"), c->status->crossfade);
 591
 592                 if (dbupdate && dbupdate != c->status->updatingDb) {
 593                         screen_status_printf(_("Database updated!"));
 594                         mpdclient_browse_callback(c, BROWSE_DB_UPDATED, NULL);
 595                 }
 596
 597                 repeat = c->status->repeat;
 598                 random_enabled = c->status->random;
 599                 crossfade = c->status->crossfade;
 600                 dbupdate = c->status->updatingDb;
 601         }
 602
 603         /* update title/header window */
 604         if (welcome && options.welcome_screen_list &&
 605             screen.last_cmd==CMD_NONE &&
 606             time(NULL)-screen.start_timestamp <= SCREEN_WELCOME_TIME)
 607                 paint_top_window("", c, 0);
 608         else if (mode_fn->get_title != NULL) {
 609                 paint_top_window(mode_fn->get_title(screen.buf,screen.buf_size), c, 0);
 610                 welcome = FALSE;
 611         } else
 612                 paint_top_window("", c, 0);
 613
 614         /* update the main window */
 615         if (mode_fn->update != NULL)
 616                 mode_fn->update(c);
 617
 618         /* update progress window */
 619         paint_progress_window(c);
 620
 621         /* update status window */
 622         paint_status_window(c);
 623
 624         /* move the cursor to the origin */
 625         wmove(screen.main_window.w, 0, 0);
 626         wnoutrefresh(screen.main_window.w);
 627
 628         /* tell curses to update */
 629         doupdate();
 630 }
 631
 632 void
 633 screen_idle(mpdclient_t *c)
 634 {
 635         if (c->song && seek_id == c->song->id &&
 636             (screen.last_cmd == CMD_SEEK_FORWARD ||
 637              screen.last_cmd == CMD_SEEK_BACKWARD))
 638                 mpdclient_cmd_seek(c, seek_id, seek_target_time);
 639
 640         screen.last_cmd = CMD_NONE;
 641         seek_id = -1;
 642 }
 643
 644 #ifdef HAVE_GETMOUSE
 645 int
 646 screen_get_mouse_event(mpdclient_t *c, unsigned long *bstate, int *row)
 647 {
 648         MEVENT event;
 649
 650         /* retreive the mouse event from ncurses */
 651         getmouse(&event);
 652         /* calculate the selected row in the list window */
 653         *row = event.y - screen.top_window.rows;
 654         /* copy button state bits */
 655         *bstate = event.bstate;
 656         /* if button 2 was pressed switch screen */
 657         if (event.bstate & BUTTON2_CLICKED) {
 658                 screen_cmd(c, CMD_SCREEN_NEXT);
 659                 return 1;
 660         }
 661
 662         return 0;
 663 }
 664 #endif
 665
 666 static int
 667 screen_client_cmd(mpdclient_t *c, command_t cmd)
 668 {
 669         if (c->connection == NULL || c->status == NULL)
 670                 return 0;
 671
 672         switch(cmd) {
 673                 /*
 674         case CMD_PLAY:
 675                 mpdclient_cmd_play(c, MPD_PLAY_AT_BEGINNING);
 676                 break;
 677                 */
 678         case CMD_PAUSE:
 679                 mpdclient_cmd_pause(c, !IS_PAUSED(c->status->state));
 680                 break;
 681         case CMD_STOP:
 682                 mpdclient_cmd_stop(c);
 683                 break;
 684         case CMD_CROP:
 685                 mpdclient_cmd_crop(c);
 686                 break;
 687         case CMD_SEEK_FORWARD:
 688                 if (!IS_STOPPED(c->status->state)) {
 689                         if (c->song && seek_id != c->song->id) {
 690                                 seek_id = c->song->id;
 691                                 seek_target_time = c->status->elapsedTime;
 692                         }
 693                         seek_target_time+=options.seek_time;
 694                         if (seek_target_time < c->status->totalTime)
 695                                 break;
 696                         seek_target_time = c->status->totalTime;
 697                         /* seek_target_time=0; */
 698                 }
 699                 break;
 700                 /* fall through... */
 701         case CMD_TRACK_NEXT:
 702                 if (!IS_STOPPED(c->status->state))
 703                         mpdclient_cmd_next(c);
 704                 break;
 705         case CMD_SEEK_BACKWARD:
 706                 if (!IS_STOPPED(c->status->state)) {
 707                         if (seek_id != c->song->id) {
 708                                 seek_id = c->song->id;
 709                                 seek_target_time = c->status->elapsedTime;
 710                         }
 711                         seek_target_time-=options.seek_time;
 712                         if (seek_target_time < 0)
 713                                 seek_target_time=0;
 714                 }
 715                 break;
 716         case CMD_TRACK_PREVIOUS:
 717                 if (!IS_STOPPED(c->status->state))
 718                         mpdclient_cmd_prev(c);
 719                 break;
 720         case CMD_SHUFFLE:
 721                 if (mpdclient_cmd_shuffle(c) == 0)
 722                         screen_status_message(_("Shuffled playlist!"));
 723                 break;
 724         case CMD_CLEAR:
 725                 if (mpdclient_cmd_clear(c) == 0)
 726                         screen_status_message(_("Cleared playlist!"));
 727                 break;
 728         case CMD_REPEAT:
 729                 mpdclient_cmd_repeat(c, !c->status->repeat);
 730                 break;
 731         case CMD_RANDOM:
 732                 mpdclient_cmd_random(c, !c->status->random);
 733                 break;
 734         case CMD_CROSSFADE:
 735                 if (c->status->crossfade)
 736                         mpdclient_cmd_crossfade(c, 0);
 737                 else
 738                         mpdclient_cmd_crossfade(c, options.crossfade_time);
 739                 break;
 740         case CMD_DB_UPDATE:
 741                 if (!c->status->updatingDb) {
 742                         if( mpdclient_cmd_db_update_utf8(c,NULL)==0 )
 743                                 screen_status_printf(_("Database update started!"));
 744                 } else
 745                         screen_status_printf(_("Database update running..."));
 746                 break;
 747         case CMD_VOLUME_UP:
 748                 if( c->status->volume!=MPD_STATUS_NO_VOLUME && c->status->volume<100 )
 749                         mpdclient_cmd_volume(c, ++c->status->volume);
 750                 break;
 751         case CMD_VOLUME_DOWN:
 752                 if( c->status->volume!=MPD_STATUS_NO_VOLUME && c->status->volume>0 )
 753                         mpdclient_cmd_volume(c, --c->status->volume);
 754                 break;
 755
 756         default:
 757                 return 0;
 758         }
 759
 760         return 1;
 761 }
 762
 763 void
 764 screen_cmd(mpdclient_t *c, command_t cmd)
 765 {
 766         screen.last_cmd = cmd;
 767         welcome = FALSE;
 768
 769         if (mode_fn->cmd != NULL && mode_fn->cmd(&screen, c, cmd))
 770                 return;
 771
 772         if (screen_client_cmd(c, cmd))
 773                 return;
 774
 775         switch(cmd) {
 776         case CMD_TOGGLE_FIND_WRAP:
 777                 options.find_wrap = !options.find_wrap;
 778                 screen_status_printf(options.find_wrap ?
 779                                      _("Find mode: Wrapped") :
 780                                      _("Find mode: Normal"));
 781                 break;
 782         case CMD_TOGGLE_AUTOCENTER:
 783                 options.auto_center = !options.auto_center;
 784                 screen_status_printf(options.auto_center ?
 785                                      _("Auto center mode: On") :
 786                                      _("Auto center mode: Off"));
 787                 break;
 788         case CMD_SCREEN_UPDATE:
 789                 screen.painted = 0;
 790                 break;
 791         case CMD_SCREEN_PREVIOUS:
 792                 screen_next_mode(c, -1);
 793                 break;
 794         case CMD_SCREEN_NEXT:
 795                 screen_next_mode(c, 1);
 796                 break;
 797         case CMD_SCREEN_PLAY:
 798                 screen_switch(&screen_playlist, c);
 799                 break;
 800         case CMD_SCREEN_FILE:
 801                 screen_switch(&screen_browse, c);
 802                 break;
 803         case CMD_SCREEN_HELP:
 804                 screen_switch(&screen_help, c);
 805                 break;
 806 #ifdef ENABLE_SEARCH_SCREEN
 807         case CMD_SCREEN_SEARCH:
 808                 screen_switch(&screen_search, c);
 809                 break;
 810 #endif
 811 #ifdef ENABLE_ARTIST_SCREEN
 812         case CMD_SCREEN_ARTIST:
 813                 screen_switch(&screen_artist, c);
 814                 break;
 815 #endif
 816 #ifdef ENABLE_KEYDEF_SCREEN
 817         case CMD_SCREEN_KEYDEF:
 818                 screen_switch(&screen_keydef, c);
 819                 break;
 820 #endif
 821 #ifdef ENABLE_LYRICS_SCREEN
 822         case CMD_SCREEN_LYRICS:
 823                 screen_switch(&screen_lyrics, c);
 824                 break;
 825 #endif
 826         default:
 827                 break;
 828         }
 829 }