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 <mpd/client.h>
  37
  38 #include <stdlib.h>
  39 #include <unistd.h>
  40 #include <stdarg.h>
  41 #include <string.h>
  42 #include <time.h>
  43 #include <locale.h>
  44
  45 #ifndef NCMPC_MINI
  46 /** welcome message time [s] */
  47 static const GTime SCREEN_WELCOME_TIME = 10;
  48 #endif
  49
  50 /* minimum window size */
  51 static const int SCREEN_MIN_COLS = 14;
  52 static const int SCREEN_MIN_ROWS = 5;
  53
  54 /* screens */
  55
  56 #ifndef NCMPC_MINI
  57 static gboolean welcome = TRUE;
  58 #endif
  59
  60 struct screen screen;
  61 static const struct screen_functions *mode_fn = &screen_playlist;
  62 static const struct screen_functions *mode_fn_prev = &screen_playlist;
  63 static int seek_id = -1;
  64 static int seek_target_time = 0;
  65
  66 gboolean
  67 screen_is_visible(const struct screen_functions *sf)
  68 {
  69         return sf == mode_fn;
  70 }
  71
  72 void
  73 screen_switch(const struct screen_functions *sf, struct mpdclient *c)
  74 {
  75         assert(sf != NULL);
  76
  77         if (sf == mode_fn)
  78                 return;
  79
  80         mode_fn_prev = mode_fn;
  81
  82         /* close the old mode */
  83         if (mode_fn->close != NULL)
  84                 mode_fn->close();
  85
  86         /* get functions for the new mode */
  87         mode_fn = sf;
  88
  89         /* open the new mode */
  90         if (mode_fn->open != NULL)
  91                 mode_fn->open(c);
  92
  93         screen_paint(c);
  94 }
  95
  96 void
  97 screen_swap(struct mpdclient *c, const struct mpd_song *song)
  98 {
  99         if (song != NULL)
 100         {
 101                 if (false)
 102                         { /* just a hack to make the ifdefs less ugly */ }
 103 #ifdef ENABLE_SONG_SCREEN
 104                 if (mode_fn_prev == &screen_song)
 105                         screen_song_switch(c, song);
 106 #endif
 107 #ifdef ENABLE_LYRICS_SCREEN
 108                 else if (mode_fn_prev == &screen_lyrics)
 109                         screen_lyrics_switch(c, song, true);
 110 #endif
 111                 else
 112                         screen_switch(mode_fn_prev, c);
 113         }
 114         else
 115                 screen_switch(mode_fn_prev, c);
 116 }
 117
 118 static int
 119 find_configured_screen(const char *name)
 120 {
 121         unsigned i;
 122
 123         for (i = 0; options.screen_list[i] != NULL; ++i)
 124                 if (strcmp(options.screen_list[i], name) == 0)
 125                         return i;
 126
 127         return -1;
 128 }
 129
 130 static void
 131 screen_next_mode(mpdclient_t *c, int offset)
 132 {
 133         int max = g_strv_length(options.screen_list);
 134         int current, next;
 135         const struct screen_functions *sf;
 136
 137         /* find current screen */
 138         current = find_configured_screen(screen_get_name(mode_fn));
 139         next = current + offset;
 140         if (next<0)
 141                 next = max-1;
 142         else if (next>=max)
 143                 next = 0;
 144
 145         sf = screen_lookup_name(options.screen_list[next]);
 146         if (sf != NULL)
 147                 screen_switch(sf, c);
 148 }
 149
 150 #ifndef NCMPC_MINI
 151 static void
 152 print_hotkey(WINDOW *w, command_t cmd, const char *label)
 153 {
 154         colors_use(w, COLOR_TITLE_BOLD);
 155         waddstr(w, get_key_names(cmd, FALSE));
 156         colors_use(w, COLOR_TITLE);
 157         waddch(w, ':');
 158         waddstr(w, label);
 159         waddch(w, ' ');
 160         waddch(w, ' ');
 161 }
 162 #endif
 163
 164 static inline int
 165 get_volume(const struct mpd_status *status)
 166 {
 167         return status != NULL
 168                 ? mpd_status_get_volume(status)
 169                 : MPD_STATUS_NO_VOLUME;
 170 }
 171
 172 static void
 173 paint_top_window2(const char *header, mpdclient_t *c)
 174 {
 175         int volume;
 176         char flags[5];
 177         WINDOW *w = screen.top_window.w;
 178         char buf[32];
 179
 180         if (header[0]) {
 181                 colors_use(w, COLOR_TITLE_BOLD);
 182                 mvwaddstr(w, 0, 0, header);
 183 #ifndef NCMPC_MINI
 184         } else {
 185 #ifdef ENABLE_HELP_SCREEN
 186                 print_hotkey(w, CMD_SCREEN_HELP, _("Help"));
 187 #endif
 188                 print_hotkey(w, CMD_SCREEN_PLAY, _("Playlist"));
 189                 print_hotkey(w, CMD_SCREEN_FILE, _("Browse"));
 190 #ifdef ENABLE_ARTIST_SCREEN
 191                 print_hotkey(w, CMD_SCREEN_ARTIST, _("Artist"));
 192 #endif
 193 #ifdef ENABLE_SEARCH_SCREEN
 194                 print_hotkey(w, CMD_SCREEN_SEARCH, _("Search"));
 195 #endif
 196 #ifdef ENABLE_LYRICS_SCREEN
 197                 print_hotkey(w, CMD_SCREEN_LYRICS, _("Lyrics"));
 198 #endif
 199 #ifdef ENABLE_OUTPUTS_SCREEN
 200                 print_hotkey(w, CMD_SCREEN_OUTPUTS, _("Outputs"));
 201 #endif
 202 #endif
 203         }
 204
 205         volume = get_volume(c->status);
 206         if (volume == MPD_STATUS_NO_VOLUME)
 207                 g_snprintf(buf, 32, _("Volume n/a"));
 208         else
 209                 g_snprintf(buf, 32, _("Volume %d%%"), volume);
 210
 211         colors_use(w, COLOR_TITLE);
 212         mvwaddstr(w, 0, screen.top_window.cols - utf8_width(buf), buf);
 213
 214         flags[0] = 0;
 215         if (c->status != NULL) {
 216                 if (mpd_status_get_repeat(c->status))
 217                         g_strlcat(flags, "r", sizeof(flags));
 218                 if (mpd_status_get_random(c->status))
 219                         g_strlcat(flags, "z", sizeof(flags));
 220                 if (mpd_status_get_single(c->status))
 221                         g_strlcat(flags, "s", sizeof(flags));
 222                 if (mpd_status_get_consume(c->status))
 223                         g_strlcat(flags, "c", sizeof(flags));
 224                 if (mpd_status_get_crossfade(c->status))
 225                         g_strlcat(flags, "x", sizeof(flags));
 226                 if (mpd_status_get_update_id(c->status) != 0)
 227                         g_strlcat(flags, "U", sizeof(flags));
 228         }
 229
 230         colors_use(w, COLOR_LINE);
 231         mvwhline(w, 1, 0, ACS_HLINE, screen.top_window.cols);
 232         if (flags[0]) {
 233                 wmove(w,1,screen.top_window.cols-strlen(flags)-3);
 234                 waddch(w, '[');
 235                 colors_use(w, COLOR_LINE_BOLD);
 236                 waddstr(w, flags);
 237                 colors_use(w, COLOR_LINE);
 238                 waddch(w, ']');
 239         }
 240         wnoutrefresh(w);
 241 }
 242
 243 static inline int
 244 volume_length(int volume)
 245 {
 246         if (volume == 100)
 247                 return 3;
 248         if (volume >= 10 && volume < 100)
 249                 return 2;
 250         if (volume >= 0 && volume < 10)
 251                 return 1;
 252         return -1;
 253 }
 254
 255 static void
 256 paint_top_window(const char *header, mpdclient_t *c, int full_repaint)
 257 {
 258         static int prev_volume = -1;
 259         static unsigned prev_header_len = -1;
 260         WINDOW *w = screen.top_window.w;
 261
 262         if (prev_header_len != utf8_width(header)) {
 263                 prev_header_len = utf8_width(header);
 264                 full_repaint = 1;
 265         }
 266
 267         if (c->status &&
 268             volume_length(prev_volume) !=
 269             volume_length(mpd_status_get_volume(c->status)))
 270                 full_repaint = 1;
 271
 272         if (full_repaint) {
 273                 wmove(w, 0, 0);
 274                 wclrtoeol(w);
 275         }
 276
 277         if ((c->status != NULL &&
 278              prev_volume != mpd_status_get_volume(c->status)) ||
 279             full_repaint)
 280                 paint_top_window2(header, c);
 281 }
 282
 283 static void
 284 paint_progress_window(mpdclient_t *c)
 285 {
 286         double p;
 287         int width;
 288         int elapsedTime;
 289
 290         if (c->status==NULL || IS_STOPPED(mpd_status_get_state(c->status))) {
 291                 mvwhline(screen.progress_window.w, 0, 0, ACS_HLINE,
 292                          screen.progress_window.cols);
 293                 wnoutrefresh(screen.progress_window.w);
 294                 return;
 295         }
 296
 297         if (c->song != NULL && seek_id == (int)mpd_song_get_id(c->song))
 298                 elapsedTime = seek_target_time;
 299         else
 300                 elapsedTime = mpd_status_get_elapsed_time(c->status);
 301
 302         p = ((double) elapsedTime) / ((double) mpd_status_get_total_time(c->status));
 303
 304         width = (int) (p * (double) screen.progress_window.cols);
 305         mvwhline(screen.progress_window.w,
 306                  0, 0,
 307                  ACS_HLINE,
 308                  screen.progress_window.cols);
 309         whline(screen.progress_window.w, '=', width-1);
 310         mvwaddch(screen.progress_window.w, 0, width-1, 'O');
 311         wnoutrefresh(screen.progress_window.w);
 312 }
 313
 314 static void
 315 paint_status_window(mpdclient_t *c)
 316 {
 317         WINDOW *w = screen.status_window.w;
 318         const struct mpd_status *status = c->status;
 319         enum mpd_state state;
 320         const struct mpd_song *song = c->song;
 321         int elapsedTime = 0;
 322 #ifdef NCMPC_MINI
 323         static char bitrate[1];
 324 #else
 325         char bitrate[16];
 326 #endif
 327         const char *str = NULL;
 328         int x = 0;
 329
 330         if( time(NULL) - screen.status_timestamp <= options.status_message_time )
 331                 return;
 332
 333         wmove(w, 0, 0);
 334         wclrtoeol(w);
 335         colors_use(w, COLOR_STATUS_BOLD);
 336
 337         state = status == NULL ? MPD_STATE_UNKNOWN
 338                 : mpd_status_get_state(status);
 339
 340         switch (state) {
 341         case MPD_STATE_PLAY:
 342                 str = _("Playing:");
 343                 break;
 344         case MPD_STATE_PAUSE:
 345                 str = _("[Paused]");
 346                 break;
 347         case MPD_STATE_STOP:
 348         default:
 349                 break;
 350         }
 351
 352         if (str) {
 353                 waddstr(w, str);
 354                 x += utf8_width(str) + 1;
 355         }
 356
 357         /* create time string */
 358         memset(screen.buf, 0, screen.buf_size);
 359         if (IS_PLAYING(state) || IS_PAUSED(state)) {
 360                 int total_time = mpd_status_get_total_time(status);
 361                 if (total_time > 0) {
 362                         /*checks the conf to see whether to display elapsed or remaining time */
 363                         if(!strcmp(options.timedisplay_type,"elapsed"))
 364                                 elapsedTime = mpd_status_get_elapsed_time(c->status);
 365                         else if(!strcmp(options.timedisplay_type,"remaining"))
 366                                 elapsedTime = total_time -
 367                                         mpd_status_get_elapsed_time(c->status);
 368
 369                         if (c->song != NULL &&
 370                             seek_id == (int)mpd_song_get_id(c->song))
 371                                 elapsedTime = seek_target_time;
 372
 373                         /* display bitrate if visible-bitrate is true */
 374 #ifndef NCMPC_MINI
 375                         if (options.visible_bitrate) {
 376                                 g_snprintf(bitrate, 16,
 377                                            " [%d kbps]",
 378                                            mpd_status_get_kbit_rate(status));
 379                         } else {
 380                                 bitrate[0] = '\0';
 381                         }
 382 #endif
 383
 384                         /*write out the time, using hours if time over 60 minutes*/
 385                         if (total_time > 3600) {
 386                                 g_snprintf(screen.buf, screen.buf_size,
 387                                            "%s [%i:%02i:%02i/%i:%02i:%02i]",
 388                                            bitrate, elapsedTime/3600, (elapsedTime%3600)/60, elapsedTime%60,
 389                                            total_time / 3600,
 390                                            (total_time % 3600)/60,
 391                                            total_time % 60);
 392                         } else {
 393                                 g_snprintf(screen.buf, screen.buf_size,
 394                                            "%s [%i:%02i/%i:%02i]",
 395                                            bitrate, elapsedTime/60, elapsedTime%60,
 396                                            total_time / 60, total_time % 60);
 397                         }
 398 #ifndef NCMPC_MINI
 399                 } else {
 400                         g_snprintf(screen.buf, screen.buf_size,
 401                                    " [%d kbps]",
 402                                    mpd_status_get_kbit_rate(status));
 403 #endif
 404                 }
 405 #ifndef NCMPC_MINI
 406         } else {
 407                 if (options.display_time) {
 408                         time_t timep;
 409
 410                         time(&timep);
 411                         strftime(screen.buf, screen.buf_size, "%X ",localtime(&timep));
 412                 }
 413 #endif
 414         }
 415
 416         /* display song */
 417         if (IS_PLAYING(state) || IS_PAUSED(state)) {
 418                 char songname[MAX_SONGNAME_LENGTH];
 419 #ifndef NCMPC_MINI
 420                 int width = COLS - x - utf8_width(screen.buf);
 421 #endif
 422
 423                 if (song)
 424                         strfsong(songname, MAX_SONGNAME_LENGTH,
 425                                  options.status_format, song);
 426                 else
 427                         songname[0] = '\0';
 428
 429                 colors_use(w, COLOR_STATUS);
 430                 /* scroll if the song name is to long */
 431 #ifndef NCMPC_MINI
 432                 if (options.scroll && utf8_width(songname) > (unsigned)width) {
 433                         static  scroll_state_t st = { 0, 0 };
 434                         char *tmp = strscroll(songname, options.scroll_sep, width, &st);
 435
 436                         g_strlcpy(songname, tmp, MAX_SONGNAME_LENGTH);
 437                         g_free(tmp);
 438                 }
 439 #endif
 440                 //mvwaddnstr(w, 0, x, songname, width);
 441                 mvwaddstr(w, 0, x, songname);
 442         }
 443
 444         /* display time string */
 445         if (screen.buf[0]) {
 446                 x = screen.status_window.cols - strlen(screen.buf);
 447                 colors_use(w, COLOR_STATUS_TIME);
 448                 mvwaddstr(w, 0, x, screen.buf);
 449         }
 450
 451         wnoutrefresh(w);
 452 }
 453
 454 void
 455 screen_exit(void)
 456 {
 457         if (mode_fn->close != NULL)
 458                 mode_fn->close();
 459
 460         screen_list_exit();
 461
 462         string_list_free(screen.find_history);
 463         g_free(screen.buf);
 464         g_free(screen.findbuf);
 465
 466         delwin(screen.top_window.w);
 467         delwin(screen.main_window.w);
 468         delwin(screen.progress_window.w);
 469         delwin(screen.status_window.w);
 470 }
 471
 472 void
 473 screen_resize(struct mpdclient *c)
 474 {
 475         if (COLS<SCREEN_MIN_COLS || LINES<SCREEN_MIN_ROWS) {
 476                 screen_exit();
 477                 fprintf(stderr, "%s", _("Error: Screen too small"));
 478                 exit(EXIT_FAILURE);
 479         }
 480
 481         resizeterm(LINES, COLS);
 482
 483         screen.cols = COLS;
 484         screen.rows = LINES;
 485
 486         /* top window */
 487         screen.top_window.cols = screen.cols;
 488         wresize(screen.top_window.w, 2, screen.cols);
 489
 490         /* main window */
 491         screen.main_window.cols = screen.cols;
 492         screen.main_window.rows = screen.rows-4;
 493         wresize(screen.main_window.w, screen.main_window.rows, screen.cols);
 494         wclear(screen.main_window.w);
 495
 496         /* progress window */
 497         screen.progress_window.cols = screen.cols;
 498         wresize(screen.progress_window.w, 1, screen.cols);
 499         mvwin(screen.progress_window.w, screen.rows-2, 0);
 500
 501         /* status window */
 502         screen.status_window.cols = screen.cols;
 503         wresize(screen.status_window.w, 1, screen.cols);
 504         mvwin(screen.status_window.w, screen.rows-1, 0);
 505
 506         screen.buf_size = screen.cols;
 507         g_free(screen.buf);
 508         screen.buf = g_malloc(screen.cols);
 509
 510         /* resize all screens */
 511         screen_list_resize(screen.main_window.cols, screen.main_window.rows);
 512
 513         /* ? - without this the cursor becomes visible with aterm & Eterm */
 514         curs_set(1);
 515         curs_set(0);
 516
 517         screen_paint(c);
 518 }
 519
 520 void
 521 screen_status_message(const char *msg)
 522 {
 523         WINDOW *w = screen.status_window.w;
 524
 525         wmove(w, 0, 0);
 526         wclrtoeol(w);
 527         colors_use(w, COLOR_STATUS_ALERT);
 528         waddstr(w, msg);
 529         wnoutrefresh(w);
 530         screen.status_timestamp = time(NULL);
 531 }
 532
 533 void
 534 screen_status_printf(const char *format, ...)
 535 {
 536         char *msg;
 537         va_list ap;
 538
 539         va_start(ap,format);
 540         msg = g_strdup_vprintf(format,ap);
 541         va_end(ap);
 542         screen_status_message(msg);
 543         g_free(msg);
 544 }
 545
 546 void
 547 screen_init(mpdclient_t *c)
 548 {
 549         if (COLS < SCREEN_MIN_COLS || LINES < SCREEN_MIN_ROWS) {
 550                 fprintf(stderr, "%s\n", _("Error: Screen too small"));
 551                 exit(EXIT_FAILURE);
 552         }
 553
 554         screen.cols = COLS;
 555         screen.rows = LINES;
 556
 557         screen.buf  = g_malloc(screen.cols);
 558         screen.buf_size = screen.cols;
 559         screen.findbuf = NULL;
 560         screen.start_timestamp = time(NULL);
 561         screen.last_cmd = CMD_NONE;
 562
 563         /* create top window */
 564         screen.top_window.rows = 2;
 565         screen.top_window.cols = screen.cols;
 566         screen.top_window.w = newwin(screen.top_window.rows,
 567                                       screen.top_window.cols,
 568                                       0, 0);
 569         leaveok(screen.top_window.w, TRUE);
 570         keypad(screen.top_window.w, TRUE);
 571
 572         /* create main window */
 573         screen.main_window.rows = screen.rows-4;
 574         screen.main_window.cols = screen.cols;
 575         screen.main_window.w = newwin(screen.main_window.rows,
 576                                        screen.main_window.cols,
 577                                        2,
 578                                        0);
 579
 580         //  leaveok(screen.main_window.w, TRUE); temporary disabled
 581         keypad(screen.main_window.w, TRUE);
 582
 583         /* create progress window */
 584         screen.progress_window.rows = 1;
 585         screen.progress_window.cols = screen.cols;
 586         screen.progress_window.w = newwin(screen.progress_window.rows,
 587                                            screen.progress_window.cols,
 588                                            screen.rows-2,
 589                                            0);
 590         leaveok(screen.progress_window.w, TRUE);
 591
 592         /* create status window */
 593         screen.status_window.rows = 1;
 594         screen.status_window.cols = screen.cols;
 595         screen.status_window.w = newwin(screen.status_window.rows,
 596                                          screen.status_window.cols,
 597                                          screen.rows-1,
 598                                          0);
 599
 600         leaveok(screen.status_window.w, FALSE);
 601         keypad(screen.status_window.w, TRUE);
 602
 603 #ifdef ENABLE_COLORS
 604         if (options.enable_colors) {
 605                 /* set background attributes */
 606                 wbkgd(stdscr, COLOR_PAIR(COLOR_LIST));
 607                 wbkgd(screen.main_window.w,     COLOR_PAIR(COLOR_LIST));
 608                 wbkgd(screen.top_window.w,      COLOR_PAIR(COLOR_TITLE));
 609                 wbkgd(screen.progress_window.w, COLOR_PAIR(COLOR_PROGRESSBAR));
 610                 wbkgd(screen.status_window.w,   COLOR_PAIR(COLOR_STATUS));
 611                 colors_use(screen.progress_window.w, COLOR_PROGRESSBAR);
 612         }
 613 #endif
 614
 615         refresh();
 616
 617         /* initialize screens */
 618         screen_list_init(screen.main_window.w,
 619                          screen.main_window.cols, screen.main_window.rows);
 620
 621         if (mode_fn->open != NULL)
 622                 mode_fn->open(c);
 623 }
 624
 625 void
 626 screen_paint(mpdclient_t *c)
 627 {
 628         const char *title = NULL;
 629
 630         if (mode_fn->get_title != NULL)
 631                 title = mode_fn->get_title(screen.buf, screen.buf_size);
 632
 633         /* paint the title/header window */
 634         if( title )
 635                 paint_top_window(title, c, 1);
 636         else
 637                 paint_top_window("", c, 1);
 638
 639         /* paint the bottom window */
 640
 641         paint_progress_window(c);
 642         paint_status_window(c);
 643
 644         /* paint the main window */
 645
 646         wclear(screen.main_window.w);
 647         if (mode_fn->paint != NULL)
 648                 mode_fn->paint();
 649
 650         /* move the cursor to the origin */
 651
 652         if (!options.hardware_cursor)
 653                 wmove(screen.main_window.w, 0, 0);
 654
 655         wnoutrefresh(screen.main_window.w);
 656
 657         /* tell curses to update */
 658         doupdate();
 659 }
 660
 661 void
 662 screen_update(mpdclient_t *c)
 663 {
 664 #ifndef NCMPC_MINI
 665         static bool initialized = false;
 666         static bool repeat;
 667         static bool random_enabled;
 668         static bool single;
 669         static bool consume;
 670         static unsigned crossfade;
 671         static unsigned dbupdate;
 672
 673         /* print a message if mpd status has changed */
 674         if (c->status != NULL) {
 675                 if (!initialized) {
 676                         repeat = mpd_status_get_repeat(c->status);
 677                         random_enabled = mpd_status_get_random(c->status);
 678                         single = mpd_status_get_single(c->status);
 679                         consume = mpd_status_get_consume(c->status);
 680                         crossfade = mpd_status_get_crossfade(c->status);
 681                         dbupdate = mpd_status_get_update_id(c->status);
 682                         initialized = true;
 683                 }
 684
 685                 if (repeat != mpd_status_get_repeat(c->status))
 686                         screen_status_printf(mpd_status_get_repeat(c->status) ?
 687                                              _("Repeat mode is on") :
 688                                              _("Repeat mode is off"));
 689
 690                 if (random_enabled != mpd_status_get_random(c->status))
 691                         screen_status_printf(mpd_status_get_random(c->status) ?
 692                                              _("Random mode is on") :
 693                                              _("Random mode is off"));
 694
 695                 if (single != mpd_status_get_single(c->status))
 696                         screen_status_printf(mpd_status_get_single(c->status) ?
 697                                              /* "single" mode means
 698                                                 that MPD will
 699                                                 automatically stop
 700                                                 after playing one
 701                                                 single song */
 702                                              _("Single mode is on") :
 703                                              _("Single mode is off"));
 704
 705                 if (consume != mpd_status_get_consume(c->status))
 706                         screen_status_printf(mpd_status_get_consume(c->status) ?
 707                                              /* "consume" mode means
 708                                                 that MPD removes each
 709                                                 song which has
 710                                                 finished playing */
 711                                              _("Consume mode is on") :
 712                                              _("Consume mode is off"));
 713
 714                 if (crossfade != mpd_status_get_crossfade(c->status))
 715                         screen_status_printf(_("Crossfade %d seconds"),
 716                                              mpd_status_get_crossfade(c->status));
 717
 718                 if (dbupdate != 0 &&
 719                     dbupdate != mpd_status_get_update_id(c->status)) {
 720                         screen_status_printf(_("Database updated"));
 721                 }
 722
 723                 repeat = mpd_status_get_repeat(c->status);
 724                 random_enabled = mpd_status_get_random(c->status);
 725                 single = mpd_status_get_single(c->status);
 726                 consume = mpd_status_get_consume(c->status);
 727                 crossfade = mpd_status_get_crossfade(c->status);
 728                 dbupdate = mpd_status_get_update_id(c->status);
 729         }
 730
 731         /* update title/header window */
 732         if (welcome && options.welcome_screen_list &&
 733             screen.last_cmd==CMD_NONE &&
 734             time(NULL)-screen.start_timestamp <= SCREEN_WELCOME_TIME)
 735                 paint_top_window("", c, 0);
 736         else
 737 #endif
 738         if (mode_fn->get_title != NULL) {
 739                 paint_top_window(mode_fn->get_title(screen.buf,screen.buf_size), c, 0);
 740 #ifndef NCMPC_MINI
 741                 welcome = FALSE;
 742 #endif
 743         } else
 744                 paint_top_window("", c, 0);
 745
 746         /* update progress window */
 747         paint_progress_window(c);
 748
 749         /* update status window */
 750         paint_status_window(c);
 751
 752         /* update the main window */
 753         if (mode_fn->update != NULL)
 754                 mode_fn->update(c);
 755
 756         /* move the cursor to the origin */
 757
 758         if (!options.hardware_cursor)
 759                 wmove(screen.main_window.w, 0, 0);
 760
 761         wnoutrefresh(screen.main_window.w);
 762
 763         /* tell curses to update */
 764         doupdate();
 765 }
 766
 767 void
 768 screen_idle(mpdclient_t *c)
 769 {
 770         if (c->song != NULL && seek_id == (int)mpd_song_get_id(c->song) &&
 771             (screen.last_cmd == CMD_SEEK_FORWARD ||
 772              screen.last_cmd == CMD_SEEK_BACKWARD))
 773                 mpdclient_cmd_seek(c, seek_id, seek_target_time);
 774
 775         screen.last_cmd = CMD_NONE;
 776         seek_id = -1;
 777 }
 778
 779 #ifdef HAVE_GETMOUSE
 780 int
 781 screen_get_mouse_event(mpdclient_t *c, unsigned long *bstate, int *row)
 782 {
 783         MEVENT event;
 784
 785         /* retrieve the mouse event from ncurses */
 786         getmouse(&event);
 787         /* calculate the selected row in the list window */
 788         *row = event.y - screen.top_window.rows;
 789         /* copy button state bits */
 790         *bstate = event.bstate;
 791         /* if button 2 was pressed switch screen */
 792         if (event.bstate & BUTTON2_CLICKED) {
 793                 screen_cmd(c, CMD_SCREEN_NEXT);
 794                 return 1;
 795         }
 796
 797         return 0;
 798 }
 799 #endif
 800
 801 static int
 802 screen_client_cmd(mpdclient_t *c, command_t cmd)
 803 {
 804         if (c->connection == NULL || c->status == NULL)
 805                 return 0;
 806
 807         switch(cmd) {
 808                 /*
 809         case CMD_PLAY:
 810                 mpdclient_cmd_play(c, MPD_PLAY_AT_BEGINNING);
 811                 break;
 812                 */
 813         case CMD_PAUSE:
 814                 mpdclient_cmd_pause(c, !IS_PAUSED(mpd_status_get_state(c->status)));
 815                 break;
 816         case CMD_STOP:
 817                 mpdclient_cmd_stop(c);
 818                 break;
 819         case CMD_CROP:
 820                 mpdclient_cmd_crop(c);
 821                 break;
 822         case CMD_SEEK_FORWARD:
 823                 if (!IS_STOPPED(mpd_status_get_state(c->status))) {
 824                         if (c->song != NULL &&
 825                             seek_id != (int)mpd_song_get_id(c->song)) {
 826                                 seek_id = mpd_song_get_id(c->song);
 827                                 seek_target_time = mpd_status_get_elapsed_time(c->status);
 828                         }
 829                         seek_target_time+=options.seek_time;
 830                         if (seek_target_time < (int)mpd_status_get_total_time(c->status))
 831                                 break;
 832                         seek_target_time = mpd_status_get_total_time(c->status);
 833                         /* seek_target_time=0; */
 834                 }
 835                 break;
 836                 /* fall through... */
 837         case CMD_TRACK_NEXT:
 838                 if (!IS_STOPPED(mpd_status_get_state(c->status)))
 839                         mpdclient_cmd_next(c);
 840                 break;
 841         case CMD_SEEK_BACKWARD:
 842                 if (!IS_STOPPED(mpd_status_get_state(c->status))) {
 843                         if (seek_id != (int)mpd_song_get_id(c->song)) {
 844                                 seek_id = mpd_song_get_id(c->song);
 845                                 seek_target_time = mpd_status_get_elapsed_time(c->status);
 846                         }
 847                         seek_target_time-=options.seek_time;
 848                         if (seek_target_time < 0)
 849                                 seek_target_time=0;
 850                 }
 851                 break;
 852         case CMD_TRACK_PREVIOUS:
 853                 if (!IS_STOPPED(mpd_status_get_state(c->status)))
 854                         mpdclient_cmd_prev(c);
 855                 break;
 856         case CMD_SHUFFLE:
 857                 if (mpdclient_cmd_shuffle(c) == 0)
 858                         screen_status_message(_("Shuffled playlist"));
 859                 break;
 860         case CMD_CLEAR:
 861                 if (mpdclient_cmd_clear(c) == 0)
 862                         screen_status_message(_("Cleared playlist"));
 863                 break;
 864         case CMD_REPEAT:
 865                 mpdclient_cmd_repeat(c, !mpd_status_get_repeat(c->status));
 866                 break;
 867         case CMD_RANDOM:
 868                 mpdclient_cmd_random(c, !mpd_status_get_random(c->status));
 869                 break;
 870         case CMD_SINGLE:
 871                 mpdclient_cmd_single(c, !mpd_status_get_single(c->status));
 872                 break;
 873         case CMD_CONSUME:
 874                 mpdclient_cmd_consume(c, !mpd_status_get_consume(c->status));
 875                 break;
 876         case CMD_CROSSFADE:
 877                 if (mpd_status_get_crossfade(c->status))
 878                         mpdclient_cmd_crossfade(c, 0);
 879                 else
 880                         mpdclient_cmd_crossfade(c, options.crossfade_time);
 881                 break;
 882         case CMD_DB_UPDATE:
 883                 if (!mpd_status_get_update_id(c->status)) {
 884                         if( mpdclient_cmd_db_update(c,NULL)==0 )
 885                                 screen_status_printf(_("Database update started"));
 886                 } else
 887                         screen_status_printf(_("Database update running..."));
 888                 break;
 889         case CMD_VOLUME_UP:
 890                 mpdclient_cmd_volume_up(c);
 891                 break;
 892         case CMD_VOLUME_DOWN:
 893                 mpdclient_cmd_volume_down(c);
 894                 break;
 895
 896         default:
 897                 return 0;
 898         }
 899
 900         return 1;
 901 }
 902
 903 void
 904 screen_cmd(mpdclient_t *c, command_t cmd)
 905 {
 906         screen.last_cmd = cmd;
 907 #ifndef NCMPC_MINI
 908         welcome = FALSE;
 909 #endif
 910
 911         if (mode_fn->cmd != NULL && mode_fn->cmd(c, cmd))
 912                 return;
 913
 914         if (screen_client_cmd(c, cmd))
 915                 return;
 916
 917         switch(cmd) {
 918         case CMD_TOGGLE_FIND_WRAP:
 919                 options.find_wrap = !options.find_wrap;
 920                 screen_status_printf(options.find_wrap ?
 921                                      _("Find mode: Wrapped") :
 922                                      _("Find mode: Normal"));
 923                 break;
 924         case CMD_TOGGLE_AUTOCENTER:
 925                 options.auto_center = !options.auto_center;
 926                 screen_status_printf(options.auto_center ?
 927                                      _("Auto center mode: On") :
 928                                      _("Auto center mode: Off"));
 929                 break;
 930         case CMD_SCREEN_UPDATE:
 931                 screen_paint(c);
 932                 break;
 933         case CMD_SCREEN_PREVIOUS:
 934                 screen_next_mode(c, -1);
 935                 break;
 936         case CMD_SCREEN_NEXT:
 937                 screen_next_mode(c, 1);
 938                 break;
 939         case CMD_SCREEN_PLAY:
 940                 screen_switch(&screen_playlist, c);
 941                 break;
 942         case CMD_SCREEN_FILE:
 943                 screen_switch(&screen_browse, c);
 944                 break;
 945 #ifdef ENABLE_HELP_SCREEN
 946         case CMD_SCREEN_HELP:
 947                 screen_switch(&screen_help, c);
 948                 break;
 949 #endif
 950 #ifdef ENABLE_SEARCH_SCREEN
 951         case CMD_SCREEN_SEARCH:
 952                 screen_switch(&screen_search, c);
 953                 break;
 954 #endif
 955 #ifdef ENABLE_ARTIST_SCREEN
 956         case CMD_SCREEN_ARTIST:
 957                 screen_switch(&screen_artist, c);
 958                 break;
 959 #endif
 960 #ifdef ENABLE_SONG_SCREEN
 961         case CMD_SCREEN_SONG:
 962                 screen_switch(&screen_song, c);
 963                 break;
 964 #endif
 965 #ifdef ENABLE_KEYDEF_SCREEN
 966         case CMD_SCREEN_KEYDEF:
 967                 screen_switch(&screen_keydef, c);
 968                 break;
 969 #endif
 970 #ifdef ENABLE_LYRICS_SCREEN
 971         case CMD_SCREEN_LYRICS:
 972                 screen_switch(&screen_lyrics, c);
 973                 break;
 974 #endif
 975 #ifdef ENABLE_OUTPUTS_SCREEN
 976         case CMD_SCREEN_OUTPUTS:
 977                 screen_switch(&screen_outputs, c);
 978                 break;
 979         case CMD_SCREEN_SWAP:
 980                 screen_swap(c, NULL);
 981                 break;
 982 #endif
 983
 984         default:
 985                 break;
 986         }
 987 }