src/screen.c

   1 /*
   2  * $Id$
   3  *
   4  * (c) 2004 by Kalle Wallin <kaw@linux.se>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18  *
  19  */
  20
  21 #include "screen.h"
  22 #include "screen_utils.h"
  23 #include "config.h"
  24 #include "ncmpc.h"
  25 #include "support.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 #define SCREEN_PLAYLIST_ID     0
  42 #define SCREEN_BROWSE_ID       1
  43 #define SCREEN_ARTIST_ID       2
  44 #define SCREEN_HELP_ID         100
  45 #define SCREEN_KEYDEF_ID       101
  46 #define SCREEN_CLOCK_ID        102
  47 #define SCREEN_SEARCH_ID       103
  48 #define SCREEN_LYRICS_ID           104
  49
  50
  51
  52 /* screens */
  53 extern const struct screen_functions screen_playlist;
  54 extern const struct screen_functions screen_browse;
  55 #ifdef ENABLE_ARTIST_SCREEN
  56 extern const struct screen_functions screen_artist;
  57 #endif
  58 extern const struct screen_functions screen_help;
  59 #ifdef ENABLE_SEARCH_SCREEN
  60 extern const struct screen_functions screen_search;
  61 #endif
  62 #ifdef ENABLE_KEYDEF_SCREEN
  63 extern const struct screen_functions screen_keydef;
  64 #endif
  65 #ifdef ENABLE_CLOCK_SCREEN
  66 extern const struct screen_functions screen_clock;
  67 #endif
  68 extern const struct screen_functions screen_lyrics;
  69
  70 typedef struct screen_functions * (*screen_get_mode_functions_fn_t) (void);
  71
  72 static const struct
  73 {
  74         gint id;
  75         const gchar *name;
  76         const struct screen_functions *functions;
  77 } screens[] = {
  78         { SCREEN_PLAYLIST_ID, "playlist", &screen_playlist },
  79         { SCREEN_BROWSE_ID, "browse", &screen_browse },
  80 #ifdef ENABLE_ARTIST_SCREEN
  81         { SCREEN_ARTIST_ID, "artist", &screen_artist },
  82 #endif
  83         { SCREEN_HELP_ID, "help", &screen_help },
  84 #ifdef ENABLE_SEARCH_SCREEN
  85         { SCREEN_SEARCH_ID, "search", &screen_search },
  86 #endif
  87 #ifdef ENABLE_KEYDEF_SCREEN
  88         { SCREEN_KEYDEF_ID, "keydef", &screen_keydef },
  89 #endif
  90 #ifdef ENABLE_CLOCK_SCREEN
  91         { SCREEN_CLOCK_ID, "clock", &screen_clock },
  92 #endif
  93 #ifdef ENABLE_LYRICS_SCREEN
  94         { SCREEN_LYRICS_ID, "lyrics", &screen_lyrics },
  95 #endif
  96 };
  97
  98 #define NUM_SCREENS (sizeof(screens) / sizeof(screens[0]))
  99
 100 static gboolean welcome = TRUE;
 101 static struct screen screen;
 102 static const struct screen_functions *mode_fn = &screen_playlist;
 103 static int seek_id = -1;
 104 static int seek_target_time = 0;
 105
 106 gint
 107 screen_get_id(const char *name)
 108 {
 109         guint i;
 110
 111         for (i = 0; i < NUM_SCREENS; ++i)
 112                 if (strcmp(name, screens[i].name) == 0)
 113                         return screens[i].id;
 114
 115         return -1;
 116 }
 117
 118 static gint
 119 lookup_mode(gint id)
 120 {
 121         guint i;
 122
 123         for (i = 0; i < NUM_SCREENS; ++i)
 124                 if (screens[i].id == id)
 125                         return i;
 126
 127         return -1;
 128 }
 129
 130 gint get_cur_mode_id(void)
 131 {
 132         return screens[screen.mode].id;
 133 }
 134
 135 static void
 136 switch_screen_mode(gint id, mpdclient_t *c)
 137 {
 138         gint new_mode;
 139
 140         if( id == screens[screen.mode].id )
 141                 return;
 142
 143         new_mode = lookup_mode(id);
 144         if (new_mode < 0)
 145                 return;
 146
 147         /* close the old mode */
 148         if (mode_fn->close != NULL)
 149                 mode_fn->close();
 150
 151         /* get functions for the new mode */
 152         D("switch_screen(%s)\n", screens[new_mode].name );
 153         mode_fn = screens[new_mode].functions;
 154         screen.mode = new_mode;
 155         screen.painted = 0;
 156
 157         /* open the new mode */
 158         if (mode_fn->open != NULL)
 159                 mode_fn->open(&screen, c);
 160 }
 161
 162 static int
 163 find_configured_screen(const char *name)
 164 {
 165         unsigned i;
 166
 167         for (i = 0; options.screen_list[i] != NULL; ++i)
 168                 if (strcmp(options.screen_list[i], name) == 0)
 169                         return i;
 170
 171         return -1;
 172 }
 173
 174 static void
 175 screen_next_mode(mpdclient_t *c, int offset)
 176 {
 177         int max = g_strv_length(options.screen_list);
 178         int current, next;
 179
 180         /* find current screen */
 181         current = find_configured_screen(screens[screen.mode].name);
 182         next = current + offset;
 183         if (next<0)
 184                 next = max-1;
 185         else if (next>=max)
 186                 next = 0;
 187
 188         D("current mode: %d:%d    next:%d\n", current, max, next);
 189         switch_screen_mode(screen_get_id(options.screen_list[next]), c);
 190 }
 191
 192 static void
 193 paint_top_window2(const char *header, mpdclient_t *c)
 194 {
 195         char flags[5];
 196         WINDOW *w = screen.top_window.w;
 197         char buf[32];
 198
 199         if (header[0]) {
 200                 colors_use(w, COLOR_TITLE_BOLD);
 201                 mvwaddstr(w, 0, 0, header);
 202         } else {
 203                 colors_use(w, COLOR_TITLE_BOLD);
 204                 waddstr(w, get_key_names(CMD_SCREEN_HELP, FALSE));
 205                 colors_use(w, COLOR_TITLE);
 206                 waddstr(w, _(":Help  "));
 207                 colors_use(w, COLOR_TITLE_BOLD);
 208                 waddstr(w, get_key_names(CMD_SCREEN_PLAY, FALSE));
 209                 colors_use(w, COLOR_TITLE);
 210                 waddstr(w, _(":Playlist  "));
 211                 colors_use(w, COLOR_TITLE_BOLD);
 212                 waddstr(w, get_key_names(CMD_SCREEN_FILE, FALSE));
 213                 colors_use(w, COLOR_TITLE);
 214                 waddstr(w, _(":Browse  "));
 215 #ifdef ENABLE_ARTIST_SCREEN
 216                 colors_use(w, COLOR_TITLE_BOLD);
 217                 waddstr(w, get_key_names(CMD_SCREEN_ARTIST, FALSE));
 218                 colors_use(w, COLOR_TITLE);
 219                 waddstr(w, _(":Artist  "));
 220 #endif
 221 #ifdef ENABLE_SEARCH_SCREEN
 222                 colors_use(w, COLOR_TITLE_BOLD);
 223                 waddstr(w, get_key_names(CMD_SCREEN_SEARCH, FALSE));
 224                 colors_use(w, COLOR_TITLE);
 225                 waddstr(w, _(":Search  "));
 226 #endif
 227 #ifdef ENABLE_LYRICS_SCREEN
 228                 colors_use(w, COLOR_TITLE_BOLD);
 229                 waddstr(w, get_key_names(CMD_SCREEN_LYRICS, FALSE));
 230                 colors_use(w, COLOR_TITLE);
 231                 waddstr(w, _(":Lyrics  "));
 232 #endif
 233         }
 234         if (c->status->volume==MPD_STATUS_NO_VOLUME) {
 235                 g_snprintf(buf, 32, _("Volume n/a "));
 236         } else {
 237                 g_snprintf(buf, 32, _(" Volume %d%%"), c->status->volume);
 238         }
 239         colors_use(w, COLOR_TITLE);
 240         mvwaddstr(w, 0, screen.top_window.cols-my_strlen(buf), buf);
 241
 242         flags[0] = 0;
 243         if( c->status->repeat )
 244                 g_strlcat(flags, "r", sizeof(flags));
 245         if( c->status->random )
 246                 g_strlcat(flags, "z", sizeof(flags));;
 247         if( c->status->crossfade )
 248                 g_strlcat(flags, "x", sizeof(flags));
 249         if( c->status->updatingDb )
 250                 g_strlcat(flags, "U", sizeof(flags));
 251         colors_use(w, COLOR_LINE);
 252         mvwhline(w, 1, 0, ACS_HLINE, screen.top_window.cols);
 253         if (flags[0]) {
 254                 wmove(w,1,screen.top_window.cols-strlen(flags)-3);
 255                 waddch(w, '[');
 256                 colors_use(w, COLOR_LINE_BOLD);
 257                 waddstr(w, flags);
 258                 colors_use(w, COLOR_LINE);
 259                 waddch(w, ']');
 260         }
 261         wnoutrefresh(w);
 262 }
 263
 264 static void
 265 paint_top_window(const char *header, mpdclient_t *c, int full_repaint)
 266 {
 267         static int prev_volume = -1;
 268         static size_t prev_header_len = -1;
 269         WINDOW *w = screen.top_window.w;
 270
 271         if (prev_header_len!=my_strlen(header)) {
 272                 prev_header_len = my_strlen(header);
 273                 full_repaint = 1;
 274         }
 275
 276         if (full_repaint) {
 277                 wmove(w, 0, 0);
 278                 wclrtoeol(w);
 279         }
 280
 281         if (prev_volume!=c->status->volume || full_repaint)
 282                 paint_top_window2(header, c);
 283 }
 284
 285 static void
 286 paint_progress_window(mpdclient_t *c)
 287 {
 288         double p;
 289         int width;
 290         int elapsedTime = c->status->elapsedTime;
 291
 292         if (c->status==NULL || IS_STOPPED(c->status->state)) {
 293                 mvwhline(screen.progress_window.w, 0, 0, ACS_HLINE,
 294                          screen.progress_window.cols);
 295                 wnoutrefresh(screen.progress_window.w);
 296                 return;
 297         }
 298
 299         if (c->song && seek_id == c->song->id)
 300                 elapsedTime = seek_target_time;
 301
 302         p = ((double) elapsedTime) / ((double) c->status->totalTime);
 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         mpd_Status *status = c->status;
 319         mpd_Song *song = c->song;
 320         int elapsedTime = 0;
 321         const char *str = NULL;
 322         int x = 0;
 323
 324         if( time(NULL) - screen.status_timestamp <= SCREEN_STATUS_MESSAGE_TIME )
 325                 return;
 326
 327         wmove(w, 0, 0);
 328         wclrtoeol(w);
 329         colors_use(w, COLOR_STATUS_BOLD);
 330
 331         switch(status->state) {
 332         case MPD_STATUS_STATE_PLAY:
 333                 str = _("Playing:");
 334                 break;
 335         case MPD_STATUS_STATE_PAUSE:
 336                 str = _("[Paused]");
 337                 break;
 338         case MPD_STATUS_STATE_STOP:
 339         default:
 340                 break;
 341         }
 342
 343         if (str) {
 344                 waddstr(w, str);
 345                 x += my_strlen(str)+1;
 346         }
 347
 348         /* create time string */
 349         memset(screen.buf, 0, screen.buf_size);
 350         if (IS_PLAYING(status->state) || IS_PAUSED(status->state)) {
 351                 if (status->totalTime > 0) {
 352                         /*checks the conf to see whether to display elapsed or remaining time */
 353                         if(!strcmp(options.timedisplay_type,"elapsed"))
 354                                 elapsedTime = c->status->elapsedTime;
 355                         else if(!strcmp(options.timedisplay_type,"remaining"))
 356                                 elapsedTime = (c->status->totalTime - c->status->elapsedTime);
 357
 358                         if( c->song && seek_id == c->song->id )
 359                                 elapsedTime = seek_target_time;
 360                         /*write out the time, using hours if time over 60 minutes*/
 361                         if (c->status->totalTime > 3600) {
 362                                 g_snprintf(screen.buf, screen.buf_size,
 363                                            " [%i:%02i:%02i/%i:%02i:%02i]",
 364                                            elapsedTime/3600, (elapsedTime%3600)/60, elapsedTime%60,
 365                                            status->totalTime/3600, (status->totalTime%3600)/60,  status->totalTime%60);
 366                         } else {
 367                                 g_snprintf(screen.buf, screen.buf_size,
 368                                            " [%i:%02i/%i:%02i]",
 369                                            elapsedTime/60, elapsedTime%60,
 370                                            status->totalTime/60,   status->totalTime%60 );
 371                         }
 372                 } else {
 373                         g_snprintf(screen.buf, screen.buf_size,
 374                                    " [%d kbps]", status->bitRate );
 375                 }
 376         } else {
 377                 time_t timep;
 378
 379                 time(&timep);
 380                 strftime(screen.buf, screen.buf_size, "%X ",localtime(&timep));
 381         }
 382
 383         /* display song */
 384         if (IS_PLAYING(status->state) || IS_PAUSED(status->state)) {
 385                 char songname[MAX_SONGNAME_LENGTH];
 386                 int width = COLS-x-my_strlen(screen.buf);
 387
 388                 if (song)
 389                         strfsong(songname, MAX_SONGNAME_LENGTH, STATUS_FORMAT, song);
 390                 else
 391                         songname[0] = '\0';
 392
 393                 colors_use(w, COLOR_STATUS);
 394                 /* scroll if the song name is to long */
 395                 if (options.scroll && my_strlen(songname) > (size_t)width) {
 396                         static  scroll_state_t st = { 0, 0 };
 397                         char *tmp = strscroll(songname, options.scroll_sep, width, &st);
 398
 399                         g_strlcpy(songname, tmp, MAX_SONGNAME_LENGTH);
 400                         g_free(tmp);
 401                 }
 402                 //mvwaddnstr(w, 0, x, songname, width);
 403                 mvwaddstr(w, 0, x, songname);
 404         }
 405
 406         /* display time string */
 407         if (screen.buf[0]) {
 408                 x = screen.status_window.cols - strlen(screen.buf);
 409                 colors_use(w, COLOR_STATUS_TIME);
 410                 mvwaddstr(w, 0, x, screen.buf);
 411         }
 412
 413         wnoutrefresh(w);
 414 }
 415
 416 void
 417 screen_exit(void)
 418 {
 419         guint i;
 420
 421         endwin();
 422
 423         if (mode_fn->close != NULL)
 424                 mode_fn->close();
 425
 426         /* close and exit all screens (playlist,browse,help...) */
 427         for (i = 0; i < NUM_SCREENS; ++i) {
 428                 const struct screen_functions *sf = screens[i].functions;
 429
 430                 if (sf->exit)
 431                         sf->exit();
 432         }
 433
 434         string_list_free(screen.find_history);
 435         g_free(screen.buf);
 436         g_free(screen.findbuf);
 437 }
 438
 439 void
 440 screen_resize(void)
 441 {
 442         guint i;
 443
 444         D("Resize rows %d->%d, cols %d->%d\n",screen.rows,LINES,screen.cols,COLS);
 445         if (COLS<SCREEN_MIN_COLS || LINES<SCREEN_MIN_ROWS) {
 446                 screen_exit();
 447                 fprintf(stderr, _("Error: Screen to small!\n"));
 448                 exit(EXIT_FAILURE);
 449         }
 450
 451         resizeterm(LINES, COLS);
 452
 453         screen.cols = COLS;
 454         screen.rows = LINES;
 455
 456         /* top window */
 457         screen.top_window.cols = screen.cols;
 458         wresize(screen.top_window.w, 2, screen.cols);
 459
 460         /* main window */
 461         screen.main_window.cols = screen.cols;
 462         screen.main_window.rows = screen.rows-4;
 463         wresize(screen.main_window.w, screen.main_window.rows, screen.cols);
 464         wclear(screen.main_window.w);
 465
 466         /* progress window */
 467         screen.progress_window.cols = screen.cols;
 468         wresize(screen.progress_window.w, 1, screen.cols);
 469         mvwin(screen.progress_window.w, screen.rows-2, 0);
 470
 471         /* status window */
 472         screen.status_window.cols = screen.cols;
 473         wresize(screen.status_window.w, 1, screen.cols);
 474         mvwin(screen.status_window.w, screen.rows-1, 0);
 475
 476         screen.buf_size = screen.cols;
 477         g_free(screen.buf);
 478         screen.buf = g_malloc(screen.cols);
 479
 480         /* close and exit all screens (playlist,browse,help...) */
 481         for (i = 0; i < NUM_SCREENS; ++i) {
 482                 const struct screen_functions *sf = screens[i].functions;
 483
 484                 if (sf->resize)
 485                         sf->resize(screen.main_window.cols, screen.main_window.rows);
 486         }
 487
 488
 489         /* ? - without this the cursor becomes visible with aterm & Eterm */
 490         curs_set(1);
 491         curs_set(0);
 492
 493         screen.painted = 0;
 494 }
 495
 496 void
 497 screen_status_message(const char *msg)
 498 {
 499         WINDOW *w = screen.status_window.w;
 500
 501         wmove(w, 0, 0);
 502         wclrtoeol(w);
 503         colors_use(w, COLOR_STATUS_ALERT);
 504         waddstr(w, msg);
 505         wnoutrefresh(w);
 506         screen.status_timestamp = time(NULL);
 507 }
 508
 509 void
 510 screen_status_printf(const char *format, ...)
 511 {
 512         char *msg;
 513         va_list ap;
 514
 515         va_start(ap,format);
 516         msg = g_strdup_vprintf(format,ap);
 517         va_end(ap);
 518         screen_status_message(msg);
 519         g_free(msg);
 520 }
 521
 522 void
 523 ncurses_init(void)
 524 {
 525
 526         /* initialize the curses library */
 527         initscr();
 528         /* initialize color support */
 529         colors_start();
 530         /* tell curses not to do NL->CR/NL on output */
 531         nonl();
 532         /*  use raw mode (ignore interrupt,quit,suspend, and flow control ) */
 533 #ifdef ENABLE_RAW_MODE
 534         //  raw();
 535 #endif
 536         /* don't echo input */
 537         noecho();
 538         /* set cursor invisible */
 539         curs_set(0);
 540         /* enable extra keys */
 541         keypad(stdscr, TRUE);
 542         /* return from getch() without blocking */
 543         timeout(SCREEN_TIMEOUT);
 544         /* initialize mouse support */
 545 #ifdef HAVE_GETMOUSE
 546         if( options.enable_mouse )
 547                 mousemask(ALL_MOUSE_EVENTS, NULL);
 548 #endif
 549
 550         if( COLS<SCREEN_MIN_COLS || LINES<SCREEN_MIN_ROWS )
 551                 {
 552                         fprintf(stderr, _("Error: Screen to small!\n"));
 553                         exit(EXIT_FAILURE);
 554                 }
 555         screen.mode = 0;
 556         screen.cols = COLS;
 557         screen.rows = LINES;
 558
 559         screen.buf  = g_malloc(screen.cols);
 560         screen.buf_size = screen.cols;
 561         screen.findbuf = NULL;
 562         screen.painted = 0;
 563         screen.start_timestamp = time(NULL);
 564         screen.input_timestamp = time(NULL);
 565         screen.last_cmd = CMD_NONE;
 566
 567         /* create top window */
 568         screen.top_window.rows = 2;
 569         screen.top_window.cols = screen.cols;
 570         screen.top_window.w = newwin(screen.top_window.rows,
 571                                       screen.top_window.cols,
 572                                       0, 0);
 573         leaveok(screen.top_window.w, TRUE);
 574         keypad(screen.top_window.w, TRUE);
 575
 576         /* create main window */
 577         screen.main_window.rows = screen.rows-4;
 578         screen.main_window.cols = screen.cols;
 579         screen.main_window.w = newwin(screen.main_window.rows,
 580                                        screen.main_window.cols,
 581                                        2,
 582                                        0);
 583
 584         //  leaveok(screen.main_window.w, TRUE); temporary disabled
 585         keypad(screen.main_window.w, TRUE);
 586
 587         /* create progress window */
 588         screen.progress_window.rows = 1;
 589         screen.progress_window.cols = screen.cols;
 590         screen.progress_window.w = newwin(screen.progress_window.rows,
 591                                            screen.progress_window.cols,
 592                                            screen.rows-2,
 593                                            0);
 594         leaveok(screen.progress_window.w, TRUE);
 595
 596         /* create status window */
 597         screen.status_window.rows = 1;
 598         screen.status_window.cols = screen.cols;
 599         screen.status_window.w = newwin(screen.status_window.rows,
 600                                          screen.status_window.cols,
 601                                          screen.rows-1,
 602                                          0);
 603
 604         leaveok(screen.status_window.w, FALSE);
 605         keypad(screen.status_window.w, TRUE);
 606
 607         if( options.enable_colors )
 608                 {
 609                         /* set background attributes */
 610                         wbkgd(stdscr, COLOR_PAIR(COLOR_LIST));
 611                         wbkgd(screen.main_window.w,     COLOR_PAIR(COLOR_LIST));
 612                         wbkgd(screen.top_window.w,      COLOR_PAIR(COLOR_TITLE));
 613                         wbkgd(screen.progress_window.w, COLOR_PAIR(COLOR_PROGRESSBAR));
 614                         wbkgd(screen.status_window.w,   COLOR_PAIR(COLOR_STATUS));
 615                         colors_use(screen.progress_window.w, COLOR_PROGRESSBAR);
 616                 }
 617
 618         refresh();
 619 }
 620
 621 void
 622 screen_init(mpdclient_t *c)
 623 {
 624         guint i;
 625
 626         /* initialize screens */
 627         for (i = 0; i < NUM_SCREENS; ++i) {
 628                 const struct screen_functions *fn = screens[i].functions;
 629
 630                 if (fn->init)
 631                         fn->init(screen.main_window.w,
 632                                  screen.main_window.cols,
 633                                  screen.main_window.rows);
 634         }
 635
 636         if (mode_fn->open != NULL)
 637                 mode_fn->open(&screen, c);
 638
 639         /* initialize wreadln */
 640         wrln_wgetch = my_wgetch;
 641         wrln_max_history_length = 16;
 642 }
 643
 644 void
 645 screen_paint(mpdclient_t *c)
 646 {
 647         const char *title = NULL;
 648
 649         if (mode_fn->get_title != NULL)
 650                 title = mode_fn->get_title(screen.buf, screen.buf_size);
 651
 652         D("screen_paint(%s)\n", title);
 653         /* paint the title/header window */
 654         if( title )
 655                 paint_top_window(title, c, 1);
 656         else
 657                 paint_top_window("", c, 1);
 658
 659         /* paint the main window */
 660         wclear(screen.main_window.w);
 661         if (mode_fn->paint != NULL)
 662                 mode_fn->paint(&screen, c);
 663
 664         paint_progress_window(c);
 665         paint_status_window(c);
 666         screen.painted = 1;
 667         wmove(screen.main_window.w, 0, 0);
 668         wnoutrefresh(screen.main_window.w);
 669
 670         /* tell curses to update */
 671         doupdate();
 672 }
 673
 674 void
 675 screen_update(mpdclient_t *c)
 676 {
 677         static int repeat = -1;
 678         static int random_enabled = -1;
 679         static int crossfade = -1;
 680         static int dbupdate = -1;
 681
 682         if( !screen.painted )
 683                 return screen_paint(c);
 684
 685         /* print a message if mpd status has changed */
 686         if (repeat < 0) {
 687                 repeat = c->status->repeat;
 688                 random_enabled = c->status->random;
 689                 crossfade = c->status->crossfade;
 690                 dbupdate = c->status->updatingDb;
 691         }
 692
 693         if (repeat != c->status->repeat)
 694                 screen_status_printf(c->status->repeat ?
 695                                      _("Repeat is on") :
 696                                      _("Repeat is off"));
 697
 698         if (random_enabled != c->status->random)
 699                 screen_status_printf(c->status->random ?
 700                                      _("Random is on") :
 701                                      _("Random is off"));
 702
 703         if (crossfade != c->status->crossfade)
 704                 screen_status_printf(_("Crossfade %d seconds"), c->status->crossfade);
 705
 706         if (dbupdate && dbupdate != c->status->updatingDb) {
 707                 screen_status_printf(_("Database updated!"));
 708                 mpdclient_browse_callback(c, BROWSE_DB_UPDATED, NULL);
 709         }
 710
 711         repeat = c->status->repeat;
 712         random_enabled = c->status->random;
 713         crossfade = c->status->crossfade;
 714         dbupdate = c->status->updatingDb;
 715
 716         /* update title/header window */
 717         if (welcome && screen.last_cmd==CMD_NONE &&
 718             time(NULL)-screen.start_timestamp <= SCREEN_WELCOME_TIME)
 719                 paint_top_window("", c, 0);
 720         else if (mode_fn->get_title != NULL) {
 721                 paint_top_window(mode_fn->get_title(screen.buf,screen.buf_size), c, 0);
 722                 welcome = FALSE;
 723         } else
 724                 paint_top_window("", c, 0);
 725
 726         /* update the main window */
 727         if (mode_fn->update != NULL)
 728                 mode_fn->update(&screen, c);
 729
 730         /* update progress window */
 731         paint_progress_window(c);
 732
 733         /* update status window */
 734         paint_status_window(c);
 735
 736         /* move the cursor to the origin */
 737         wmove(screen.main_window.w, 0, 0);
 738         wnoutrefresh(screen.main_window.w);
 739
 740         /* tell curses to update */
 741         doupdate();
 742 }
 743
 744 void
 745 screen_idle(mpdclient_t *c)
 746 {
 747         if (c->song && seek_id == c->song->id &&
 748             (screen.last_cmd == CMD_SEEK_FORWARD ||
 749              screen.last_cmd == CMD_SEEK_BACKWARD))
 750                 mpdclient_cmd_seek(c, seek_id, seek_target_time);
 751
 752         screen.last_cmd = CMD_NONE;
 753         seek_id = -1;
 754 }
 755
 756 #ifdef HAVE_GETMOUSE
 757 int
 758 screen_get_mouse_event(mpdclient_t *c,
 759                        list_window_t *lw, int lw_length,
 760                        unsigned long *bstate, int *row)
 761 {
 762         MEVENT event;
 763
 764         /* retreive the mouse event from ncurses */
 765         getmouse(&event);
 766         D("mouse: id=%d  y=%d,x=%d,z=%d\n",event.id,event.y,event.x,event.z);
 767         /* calculate the selected row in the list window */
 768         *row = event.y - screen.top_window.rows;
 769         /* copy button state bits */
 770         *bstate = event.bstate;
 771         /* if button 2 was pressed switch screen */
 772         if (event.bstate & BUTTON2_CLICKED) {
 773                 screen_cmd(c, CMD_SCREEN_NEXT);
 774                 return 1;
 775         }
 776
 777         /* if the even occured above the list window move up */
 778         if (*row < 0 && lw) {
 779                 if (event.bstate & BUTTON3_CLICKED)
 780                         list_window_first(lw);
 781                 else
 782                         list_window_previous_page(lw);
 783                 return 1;
 784         }
 785
 786         /* if the even occured below the list window move down */
 787         if ((unsigned)*row >= lw->rows && lw) {
 788                 if (event.bstate & BUTTON3_CLICKED)
 789                         list_window_last(lw, lw_length);
 790                 else
 791                         list_window_next_page(lw, lw_length);
 792                 return 1;
 793         }
 794
 795         return 0;
 796 }
 797 #endif
 798
 799 void
 800 screen_cmd(mpdclient_t *c, command_t cmd)
 801 {
 802         screen.input_timestamp = time(NULL);
 803         screen.last_cmd = cmd;
 804         welcome = FALSE;
 805
 806         if (mode_fn->cmd != NULL && mode_fn->cmd(&screen, c, cmd))
 807                 return;
 808
 809         switch(cmd) {
 810         case CMD_PLAY:
 811                 mpdclient_cmd_play(c, MPD_PLAY_AT_BEGINNING);
 812                 break;
 813         case CMD_PAUSE:
 814                 mpdclient_cmd_pause(c, !IS_PAUSED(c->status->state));
 815                 break;
 816         case CMD_STOP:
 817                 mpdclient_cmd_stop(c);
 818                 break;
 819         case CMD_SEEK_FORWARD:
 820                 if (!IS_STOPPED(c->status->state)) {
 821                         if (c->song && seek_id != c->song->id) {
 822                                 seek_id = c->song->id;
 823                                 seek_target_time = c->status->elapsedTime;
 824                         }
 825                         seek_target_time+=options.seek_time;
 826                         if (seek_target_time < c->status->totalTime)
 827                                 break;
 828                         seek_target_time = c->status->totalTime;
 829                         /* seek_target_time=0; */
 830                 }
 831                 break;
 832                 /* fall through... */
 833         case CMD_TRACK_NEXT:
 834                 if (!IS_STOPPED(c->status->state))
 835                         mpdclient_cmd_next(c);
 836                 break;
 837         case CMD_SEEK_BACKWARD:
 838                 if (!IS_STOPPED(c->status->state)) {
 839                         if (seek_id != c->song->id) {
 840                                 seek_id = c->song->id;
 841                                 seek_target_time = c->status->elapsedTime;
 842                         }
 843                         seek_target_time-=options.seek_time;
 844                         if (seek_target_time < 0)
 845                                 seek_target_time=0;
 846                 }
 847                 break;
 848         case CMD_TRACK_PREVIOUS:
 849                 if (!IS_STOPPED(c->status->state))
 850                         mpdclient_cmd_prev(c);
 851                 break;
 852         case CMD_SHUFFLE:
 853                 if (mpdclient_cmd_shuffle(c) == 0)
 854                         screen_status_message(_("Shuffled playlist!"));
 855                 break;
 856         case CMD_CLEAR:
 857                 if (mpdclient_cmd_clear(c) == 0)
 858                         screen_status_message(_("Cleared playlist!"));
 859                 break;
 860         case CMD_REPEAT:
 861                 mpdclient_cmd_repeat(c, !c->status->repeat);
 862                 break;
 863         case CMD_RANDOM:
 864                 mpdclient_cmd_random(c, !c->status->random);
 865                 break;
 866         case CMD_CROSSFADE:
 867                 if (c->status->crossfade)
 868                         mpdclient_cmd_crossfade(c, 0);
 869                 else
 870                         mpdclient_cmd_crossfade(c, options.crossfade_time);
 871                 break;
 872         case CMD_DB_UPDATE:
 873                 if (!c->status->updatingDb) {
 874                         if( mpdclient_cmd_db_update_utf8(c,NULL)==0 )
 875                                 screen_status_printf(_("Database update started!"));
 876                 } else
 877                         screen_status_printf(_("Database update running..."));
 878                 break;
 879         case CMD_VOLUME_UP:
 880                 if( c->status->volume!=MPD_STATUS_NO_VOLUME && c->status->volume<100 )
 881                         mpdclient_cmd_volume(c, ++c->status->volume);
 882                 break;
 883         case CMD_VOLUME_DOWN:
 884                 if( c->status->volume!=MPD_STATUS_NO_VOLUME && c->status->volume>0 )
 885                         mpdclient_cmd_volume(c, --c->status->volume);
 886                 break;
 887         case CMD_TOGGLE_FIND_WRAP:
 888                 options.find_wrap = !options.find_wrap;
 889                 screen_status_printf(options.find_wrap ?
 890                                      _("Find mode: Wrapped") :
 891                                      _("Find mode: Normal"));
 892                 break;
 893         case CMD_TOGGLE_AUTOCENTER:
 894                 options.auto_center = !options.auto_center;
 895                 screen_status_printf(options.auto_center ?
 896                                      _("Auto center mode: On") :
 897                                      _("Auto center mode: Off"));
 898                 break;
 899         case CMD_SCREEN_UPDATE:
 900                 screen.painted = 0;
 901                 break;
 902         case CMD_SCREEN_PREVIOUS:
 903                 screen_next_mode(c, -1);
 904                 break;
 905         case CMD_SCREEN_NEXT:
 906                 screen_next_mode(c, 1);
 907                 break;
 908         case CMD_SCREEN_PLAY:
 909                 switch_screen_mode(SCREEN_PLAYLIST_ID, c);
 910                 break;
 911         case CMD_SCREEN_FILE:
 912                 switch_screen_mode(SCREEN_BROWSE_ID, c);
 913                 break;
 914         case CMD_SCREEN_HELP:
 915                 switch_screen_mode(SCREEN_HELP_ID, c);
 916                 break;
 917         case CMD_SCREEN_SEARCH:
 918                 switch_screen_mode(SCREEN_SEARCH_ID, c);
 919                 break;
 920         case CMD_SCREEN_ARTIST:
 921                 switch_screen_mode(SCREEN_ARTIST_ID, c);
 922                 break;
 923         case CMD_SCREEN_KEYDEF:
 924                 switch_screen_mode(SCREEN_KEYDEF_ID, c);
 925                 break;
 926         case CMD_SCREEN_CLOCK:
 927                 switch_screen_mode(SCREEN_CLOCK_ID, c);
 928                 break;
 929         case CMD_SCREEN_LYRICS:
 930                 switch_screen_mode(SCREEN_LYRICS_ID, c);
 931                 break;
 932         case CMD_QUIT:
 933                 exit(EXIT_SUCCESS);
 934         default:
 935                 break;
 936         }
 937 }