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 <stdlib.h>
  22 #include <unistd.h>
  23 #include <stdarg.h>
  24 #include <string.h>
  25 #include <time.h>
  26 #include <locale.h>
  27 #include <glib.h>
  28 #include <ncurses.h>
  29
  30 #include "config.h"
  31 #include "ncmpc.h"
  32 #include "support.h"
  33 #include "mpdclient.h"
  34 #include "utils.h"
  35 #include "command.h"
  36 #include "options.h"
  37 #include "colors.h"
  38 #include "strfsong.h"
  39 #include "wreadln.h"
  40 #include "screen.h"
  41 #include "screen_utils.h"
  42
  43
  44 #define SCREEN_PLAYLIST_ID     0
  45 #define SCREEN_BROWSE_ID       1
  46 #define SCREEN_ARTIST_ID       2
  47 #define SCREEN_HELP_ID         100
  48 #define SCREEN_KEYDEF_ID       101
  49 #define SCREEN_CLOCK_ID        102
  50 #define SCREEN_SEARCH_ID       103
  51 #define SCREEN_LYRICS_ID           104
  52
  53
  54
  55 /* screens */
  56 extern screen_functions_t *get_screen_playlist(void);
  57 extern screen_functions_t *get_screen_browse(void);
  58 extern screen_functions_t *get_screen_help(void);
  59 extern screen_functions_t *get_screen_search(void);
  60 extern screen_functions_t *get_screen_artist(void);
  61 extern screen_functions_t *get_screen_keydef(void);
  62 extern screen_functions_t *get_screen_clock(void);
  63 extern screen_functions_t *get_screen_lyrics(void);
  64
  65 typedef screen_functions_t * (*screen_get_mode_functions_fn_t) (void);
  66
  67 typedef struct
  68 {
  69         gint id;
  70         const gchar *name;
  71         screen_get_mode_functions_fn_t get_mode_functions;
  72 } screen_mode_info_t;
  73
  74
  75 static screen_mode_info_t screens[] = {
  76         { SCREEN_PLAYLIST_ID, "playlist", get_screen_playlist },
  77         { SCREEN_BROWSE_ID,   "browse",   get_screen_browse },
  78 #ifdef ENABLE_ARTIST_SCREEN
  79         { SCREEN_ARTIST_ID,   "artist",   get_screen_artist },
  80 #endif
  81         { SCREEN_HELP_ID,     "help",     get_screen_help },
  82 #ifdef ENABLE_SEARCH_SCREEN
  83         { SCREEN_SEARCH_ID,   "search",   get_screen_search },
  84 #endif
  85 #ifdef ENABLE_KEYDEF_SCREEN
  86         { SCREEN_KEYDEF_ID,   "keydef",   get_screen_keydef },
  87 #endif
  88 #ifdef ENABLE_CLOCK_SCREEN
  89         { SCREEN_CLOCK_ID,    "clock",    get_screen_clock },
  90 #endif
  91 #ifdef ENABLE_LYRICS_SCREEN
  92         { SCREEN_LYRICS_ID,    "lyrics",    get_screen_lyrics },
  93 #endif
  94         { G_MAXINT, NULL,      NULL }
  95 };
  96
  97 static gboolean welcome = TRUE;
  98 static screen_t *screen = NULL;
  99 static screen_functions_t *mode_fn = NULL;
 100 static int seek_id = -1;
 101 static int seek_target_time = 0;
 102
 103 gint
 104 screen_get_id(const char *name)
 105 {
 106         gint i=0;
 107
 108         while (screens[i].name) {
 109                 if (strcmp(name, screens[i].name) == 0)
 110                         return screens[i].id;
 111                 i++;
 112         }
 113         return -1;
 114 }
 115
 116 static gint
 117 lookup_mode(gint id)
 118 {
 119         gint i=0;
 120
 121         while (screens[i].name) {
 122                 if (screens[i].id == id)
 123                         return i;
 124                 i++;
 125         }
 126         return -1;
 127 }
 128
 129 gint get_cur_mode_id(void)
 130 {
 131         return screens[screen->mode].id;
 132 }
 133
 134 static void
 135 switch_screen_mode(gint id, mpdclient_t *c)
 136 {
 137         gint new_mode;
 138
 139         if( id == screens[screen->mode].id )
 140                 return;
 141
 142         /* close the old mode */
 143         if( mode_fn && mode_fn->close )
 144                 mode_fn->close();
 145
 146         /* get functions for the new mode */
 147         new_mode = lookup_mode(id);
 148         if (new_mode>=0 && screens[new_mode].get_mode_functions) {
 149                 D("switch_screen(%s)\n", screens[new_mode].name );
 150                 mode_fn = screens[new_mode].get_mode_functions();
 151                 screen->mode = new_mode;
 152         }
 153
 154         screen->painted = 0;
 155
 156         /* open the new mode */
 157         if (mode_fn && mode_fn->open)
 158                 mode_fn->open(screen, c);
 159 }
 160
 161 static void
 162 screen_next_mode(mpdclient_t *c, int offset)
 163 {
 164         int max = g_strv_length(options.screen_list);
 165         int current, next;
 166         int i;
 167
 168         /* find current screen */
 169         current = -1;
 170         i = 0;
 171         while (options.screen_list[i]) {
 172                 if (strcmp(options.screen_list[i],
 173                            screens[screen->mode].name) == 0)
 174                         current = i;
 175                 i++;
 176         }
 177
 178         next = current + offset;
 179         if (next<0)
 180                 next = max-1;
 181         else if (next>=max)
 182                 next = 0;
 183
 184         D("current mode: %d:%d    next:%d\n", current, max, next);
 185         switch_screen_mode(screen_get_id(options.screen_list[next]), c);
 186 }
 187
 188 static void
 189 paint_top_window2(const char *header, mpdclient_t *c)
 190 {
 191         char flags[5];
 192         WINDOW *w = screen->top_window.w;
 193         char buf[32];
 194
 195         if (header[0]) {
 196                 colors_use(w, COLOR_TITLE_BOLD);
 197                 mvwaddstr(w, 0, 0, header);
 198         } else {
 199                 colors_use(w, COLOR_TITLE_BOLD);
 200                 waddstr(w, get_key_names(CMD_SCREEN_HELP, FALSE));
 201                 colors_use(w, COLOR_TITLE);
 202                 waddstr(w, _(":Help  "));
 203                 colors_use(w, COLOR_TITLE_BOLD);
 204                 waddstr(w, get_key_names(CMD_SCREEN_PLAY, FALSE));
 205                 colors_use(w, COLOR_TITLE);
 206                 waddstr(w, _(":Playlist  "));
 207                 colors_use(w, COLOR_TITLE_BOLD);
 208                 waddstr(w, get_key_names(CMD_SCREEN_FILE, FALSE));
 209                 colors_use(w, COLOR_TITLE);
 210                 waddstr(w, _(":Browse  "));
 211 #ifdef ENABLE_ARTIST_SCREEN
 212                 colors_use(w, COLOR_TITLE_BOLD);
 213                 waddstr(w, get_key_names(CMD_SCREEN_ARTIST, FALSE));
 214                 colors_use(w, COLOR_TITLE);
 215                 waddstr(w, _(":Artist  "));
 216 #endif
 217 #ifdef ENABLE_SEARCH_SCREEN
 218                 colors_use(w, COLOR_TITLE_BOLD);
 219                 waddstr(w, get_key_names(CMD_SCREEN_SEARCH, FALSE));
 220                 colors_use(w, COLOR_TITLE);
 221                 waddstr(w, _(":Search  "));
 222 #endif
 223 #ifdef ENABLE_LYRICS_SCREEN
 224                 colors_use(w, COLOR_TITLE_BOLD);
 225                 waddstr(w, get_key_names(CMD_SCREEN_LYRICS, FALSE));
 226                 colors_use(w, COLOR_TITLE);
 227                 waddstr(w, _(":Lyrics  "));
 228 #endif
 229         }
 230         if (c->status->volume==MPD_STATUS_NO_VOLUME) {
 231                 g_snprintf(buf, 32, _("Volume n/a "));
 232         } else {
 233                 g_snprintf(buf, 32, _(" Volume %d%%"), c->status->volume);
 234         }
 235         colors_use(w, COLOR_TITLE);
 236         mvwaddstr(w, 0, screen->top_window.cols-my_strlen(buf), buf);
 237
 238         flags[0] = 0;
 239         if( c->status->repeat )
 240                 g_strlcat(flags, "r", sizeof(flags));
 241         if( c->status->random )
 242                 g_strlcat(flags, "z", sizeof(flags));;
 243         if( c->status->crossfade )
 244                 g_strlcat(flags, "x", sizeof(flags));
 245         if( c->status->updatingDb )
 246                 g_strlcat(flags, "U", sizeof(flags));
 247         colors_use(w, COLOR_LINE);
 248         mvwhline(w, 1, 0, ACS_HLINE, screen->top_window.cols);
 249         if (flags[0]) {
 250                 wmove(w,1,screen->top_window.cols-strlen(flags)-3);
 251                 waddch(w, '[');
 252                 colors_use(w, COLOR_LINE_BOLD);
 253                 waddstr(w, flags);
 254                 colors_use(w, COLOR_LINE);
 255                 waddch(w, ']');
 256         }
 257         wnoutrefresh(w);
 258 }
 259
 260 static void
 261 paint_top_window(const char *header, mpdclient_t *c, int clear)
 262 {
 263         static int prev_volume = -1;
 264         static int prev_header_len = -1;
 265         WINDOW *w = screen->top_window.w;
 266
 267         if (prev_header_len!=my_strlen(header)) {
 268                 prev_header_len = my_strlen(header);
 269                 clear = 1;
 270         }
 271
 272         if (clear) {
 273                 wmove(w, 0, 0);
 274                 wclrtoeol(w);
 275         }
 276
 277         if (prev_volume!=c->status->volume || clear)
 278                 paint_top_window2(header, c);
 279 }
 280
 281 static void
 282 paint_progress_window(mpdclient_t *c)
 283 {
 284         double p;
 285         int width;
 286         int elapsedTime = c->status->elapsedTime;
 287
 288         if (c->status==NULL || IS_STOPPED(c->status->state)) {
 289                 mvwhline(screen->progress_window.w, 0, 0, ACS_HLINE,
 290                          screen->progress_window.cols);
 291                 wnoutrefresh(screen->progress_window.w);
 292                 return;
 293         }
 294
 295         if (c->song && seek_id == c->song->id)
 296                 elapsedTime = seek_target_time;
 297
 298         p = ((double) elapsedTime) / ((double) c->status->totalTime);
 299
 300         width = (int) (p * (double) screen->progress_window.cols);
 301         mvwhline(screen->progress_window.w,
 302                  0, 0,
 303                  ACS_HLINE,
 304                  screen->progress_window.cols);
 305         whline(screen->progress_window.w, '=', width-1);
 306         mvwaddch(screen->progress_window.w, 0, width-1, 'O');
 307         wnoutrefresh(screen->progress_window.w);
 308 }
 309
 310 static void
 311 paint_status_window(mpdclient_t *c)
 312 {
 313         WINDOW *w = screen->status_window.w;
 314         mpd_Status *status = c->status;
 315         mpd_Song *song = c->song;
 316         int elapsedTime = 0;
 317         const char *str = NULL;
 318         int x = 0;
 319
 320         if( time(NULL) - screen->status_timestamp <= SCREEN_STATUS_MESSAGE_TIME )
 321                 return;
 322
 323         wmove(w, 0, 0);
 324         wclrtoeol(w);
 325         colors_use(w, COLOR_STATUS_BOLD);
 326
 327         switch(status->state) {
 328         case MPD_STATUS_STATE_PLAY:
 329                 str = _("Playing:");
 330                 break;
 331         case MPD_STATUS_STATE_PAUSE:
 332                 str = _("[Paused]");
 333                 break;
 334         case MPD_STATUS_STATE_STOP:
 335         default:
 336                 break;
 337         }
 338
 339         if (str) {
 340                 waddstr(w, str);
 341                 x += my_strlen(str)+1;
 342         }
 343
 344         /* create time string */
 345         memset(screen->buf, 0, screen->buf_size);
 346         if (IS_PLAYING(status->state) || IS_PAUSED(status->state)) {
 347                 if (status->totalTime > 0) {
 348                         /*checks the conf to see whether to display elapsed or remaining time */
 349                         if(!strcmp(options.timedisplay_type,"elapsed"))
 350                                 elapsedTime = c->status->elapsedTime;
 351                         else if(!strcmp(options.timedisplay_type,"remaining"))
 352                                 elapsedTime = (c->status->totalTime - c->status->elapsedTime);
 353
 354                         if( c->song && seek_id == c->song->id )
 355                                 elapsedTime = seek_target_time;
 356                         /*write out the time, using hours if time over 60 minutes*/
 357                         if (c->status->totalTime > 3600) {
 358                                 g_snprintf(screen->buf, screen->buf_size,
 359                                            " [%i:%02i:%02i/%i:%02i:%02i]",
 360                                            elapsedTime/3600, (elapsedTime%3600)/60, elapsedTime%60,
 361                                            status->totalTime/3600, (status->totalTime%3600)/60,  status->totalTime%60);
 362                         } else {
 363                                 g_snprintf(screen->buf, screen->buf_size,
 364                                            " [%i:%02i/%i:%02i]",
 365                                            elapsedTime/60, elapsedTime%60,
 366                                            status->totalTime/60,   status->totalTime%60 );
 367                         }
 368                 } else {
 369                         g_snprintf(screen->buf, screen->buf_size,
 370                                    " [%d kbps]", status->bitRate );
 371                 }
 372         } else {
 373                 time_t timep;
 374
 375                 time(&timep);
 376                 strftime(screen->buf, screen->buf_size, "%X ",localtime(&timep));
 377         }
 378
 379         /* display song */
 380         if (IS_PLAYING(status->state) || IS_PAUSED(status->state)) {
 381                 char songname[MAX_SONGNAME_LENGTH];
 382                 int width = COLS-x-my_strlen(screen->buf);
 383
 384                 if (song)
 385                         strfsong(songname, MAX_SONGNAME_LENGTH, STATUS_FORMAT, song);
 386                 else
 387                         songname[0] = '\0';
 388
 389                 colors_use(w, COLOR_STATUS);
 390                 /* scroll if the song name is to long */
 391                 if (options.scroll && my_strlen(songname) > width) {
 392                         static  scroll_state_t st = { 0, 0 };
 393                         char *tmp = strscroll(songname, options.scroll_sep, width, &st);
 394
 395                         g_strlcpy(songname, tmp, MAX_SONGNAME_LENGTH);
 396                         g_free(tmp);
 397                 }
 398                 //mvwaddnstr(w, 0, x, songname, width);
 399                 mvwaddstr(w, 0, x, songname);
 400         }
 401
 402         /* display time string */
 403         if (screen->buf[0]) {
 404                 x = screen->status_window.cols - strlen(screen->buf);
 405                 colors_use(w, COLOR_STATUS_TIME);
 406                 mvwaddstr(w, 0, x, screen->buf);
 407         }
 408
 409         wnoutrefresh(w);
 410 }
 411
 412 int
 413 screen_exit(void)
 414 {
 415         endwin();
 416         if (screen) {
 417                 gint i;
 418
 419                 /* close and exit all screens (playlist,browse,help...) */
 420                 i=0;
 421                 while (screens[i].get_mode_functions) {
 422                         screen_functions_t *mode_fn = screens[i].get_mode_functions();
 423
 424                         if (mode_fn && mode_fn->close)
 425                                 mode_fn->close();
 426                         if (mode_fn && mode_fn->exit)
 427                                 mode_fn->exit();
 428
 429                         i++;
 430                 }
 431
 432                 string_list_free(screen->find_history);
 433                 g_free(screen->buf);
 434                 g_free(screen->findbuf);
 435
 436                 g_free(screen);
 437                 screen = NULL;
 438         }
 439         return 0;
 440 }
 441
 442 void
 443 screen_resize(void)
 444 {
 445         gint i;
 446
 447         D("Resize rows %d->%d, cols %d->%d\n",screen->rows,LINES,screen->cols,COLS);
 448         if (COLS<SCREEN_MIN_COLS || LINES<SCREEN_MIN_ROWS) {
 449                 screen_exit();
 450                 fprintf(stderr, _("Error: Screen to small!\n"));
 451                 exit(EXIT_FAILURE);
 452         }
 453
 454         resizeterm(LINES, COLS);
 455
 456         screen->cols = COLS;
 457         screen->rows = LINES;
 458
 459         /* top window */
 460         screen->top_window.cols = screen->cols;
 461         wresize(screen->top_window.w, 2, screen->cols);
 462
 463         /* main window */
 464         screen->main_window.cols = screen->cols;
 465         screen->main_window.rows = screen->rows-4;
 466         wresize(screen->main_window.w, screen->main_window.rows, screen->cols);
 467         wclear(screen->main_window.w);
 468
 469         /* progress window */
 470         screen->progress_window.cols = screen->cols;
 471         wresize(screen->progress_window.w, 1, screen->cols);
 472         mvwin(screen->progress_window.w, screen->rows-2, 0);
 473
 474         /* status window */
 475         screen->status_window.cols = screen->cols;
 476         wresize(screen->status_window.w, 1, screen->cols);
 477         mvwin(screen->status_window.w, screen->rows-1, 0);
 478
 479         screen->buf_size = screen->cols;
 480         g_free(screen->buf);
 481         screen->buf = g_malloc(screen->cols);
 482
 483         /* close and exit all screens (playlist,browse,help...) */
 484         i=0;
 485         while (screens[i].get_mode_functions) {
 486                 screen_functions_t *mode_fn = screens[i].get_mode_functions();
 487
 488                 if (mode_fn && mode_fn->resize)
 489                         mode_fn->resize(screen->main_window.cols, screen->main_window.rows);
 490
 491                 i++;
 492         }
 493
 494         /* ? - without this the cursor becomes visible with aterm & Eterm */
 495         curs_set(1);
 496         curs_set(0);
 497
 498         screen->painted = 0;
 499 }
 500
 501 void
 502 screen_status_message(const char *msg)
 503 {
 504         WINDOW *w = screen->status_window.w;
 505
 506         wmove(w, 0, 0);
 507         wclrtoeol(w);
 508         colors_use(w, COLOR_STATUS_ALERT);
 509         waddstr(w, msg);
 510         wnoutrefresh(w);
 511         screen->status_timestamp = time(NULL);
 512 }
 513
 514 void
 515 screen_status_printf(const char *format, ...)
 516 {
 517         char *msg;
 518         va_list ap;
 519
 520         va_start(ap,format);
 521         msg = g_strdup_vprintf(format,ap);
 522         va_end(ap);
 523         screen_status_message(msg);
 524         g_free(msg);
 525 }
 526
 527 void
 528 ncurses_init(void)
 529 {
 530
 531         /* initialize the curses library */
 532         initscr();
 533         /* initialize color support */
 534         colors_start();
 535         /* tell curses not to do NL->CR/NL on output */
 536         nonl();
 537         /*  use raw mode (ignore interrupt,quit,suspend, and flow control ) */
 538 #ifdef ENABLE_RAW_MODE
 539         //  raw();
 540 #endif
 541         /* don't echo input */
 542         noecho();
 543         /* set cursor invisible */
 544         curs_set(0);
 545         /* enable extra keys */
 546         keypad(stdscr, TRUE);
 547         /* return from getch() without blocking */
 548         timeout(SCREEN_TIMEOUT);
 549         /* initialize mouse support */
 550 #ifdef HAVE_GETMOUSE
 551         if( options.enable_mouse )
 552                 mousemask(ALL_MOUSE_EVENTS, NULL);
 553 #endif
 554
 555         if( COLS<SCREEN_MIN_COLS || LINES<SCREEN_MIN_ROWS )
 556                 {
 557                         fprintf(stderr, _("Error: Screen to small!\n"));
 558                         exit(EXIT_FAILURE);
 559                 }
 560         screen = g_malloc(sizeof(screen_t));
 561         memset(screen, 0, sizeof(screen_t));
 562         screen->mode = 0;
 563         screen->cols = COLS;
 564         screen->rows = LINES;
 565
 566         screen->buf  = g_malloc(screen->cols);
 567         screen->buf_size = screen->cols;
 568         screen->findbuf = NULL;
 569         screen->painted = 0;
 570         screen->start_timestamp = time(NULL);
 571         screen->input_timestamp = time(NULL);
 572         screen->last_cmd = CMD_NONE;
 573
 574         /* create top window */
 575         screen->top_window.rows = 2;
 576         screen->top_window.cols = screen->cols;
 577         screen->top_window.w = newwin(screen->top_window.rows,
 578                                       screen->top_window.cols,
 579                                       0, 0);
 580         leaveok(screen->top_window.w, TRUE);
 581         keypad(screen->top_window.w, TRUE);
 582
 583         /* create main window */
 584         screen->main_window.rows = screen->rows-4;
 585         screen->main_window.cols = screen->cols;
 586         screen->main_window.w = newwin(screen->main_window.rows,
 587                                        screen->main_window.cols,
 588                                        2,
 589                                        0);
 590
 591         //  leaveok(screen->main_window.w, TRUE); temporary disabled
 592         keypad(screen->main_window.w, TRUE);
 593
 594         /* create progress window */
 595         screen->progress_window.rows = 1;
 596         screen->progress_window.cols = screen->cols;
 597         screen->progress_window.w = newwin(screen->progress_window.rows,
 598                                            screen->progress_window.cols,
 599                                            screen->rows-2,
 600                                            0);
 601         leaveok(screen->progress_window.w, TRUE);
 602
 603         /* create status window */
 604         screen->status_window.rows = 1;
 605         screen->status_window.cols = screen->cols;
 606         screen->status_window.w = newwin(screen->status_window.rows,
 607                                          screen->status_window.cols,
 608                                          screen->rows-1,
 609                                          0);
 610
 611         leaveok(screen->status_window.w, FALSE);
 612         keypad(screen->status_window.w, TRUE);
 613
 614         if( options.enable_colors )
 615                 {
 616                         /* set background attributes */
 617                         wbkgd(stdscr, COLOR_PAIR(COLOR_LIST));
 618                         wbkgd(screen->main_window.w,     COLOR_PAIR(COLOR_LIST));
 619                         wbkgd(screen->top_window.w,      COLOR_PAIR(COLOR_TITLE));
 620                         wbkgd(screen->progress_window.w, COLOR_PAIR(COLOR_PROGRESSBAR));
 621                         wbkgd(screen->status_window.w,   COLOR_PAIR(COLOR_STATUS));
 622                         colors_use(screen->progress_window.w, COLOR_PROGRESSBAR);
 623                 }
 624 }
 625
 626 int
 627 screen_init(mpdclient_t *c)
 628 {
 629         gint i;
 630
 631         /* initialize screens */
 632         i=0;
 633         while( screens[i].get_mode_functions )
 634                 {
 635                         screen_functions_t *fn = screens[i].get_mode_functions();
 636
 637                         if( fn && fn->init )
 638                                 fn->init(screen->main_window.w,
 639                                          screen->main_window.cols,
 640                                          screen->main_window.rows);
 641
 642                         i++;
 643                 }
 644
 645 #if 0
 646         /* broken */
 647         mode_fn = NULL;
 648         switch_screen_mode(screen_get_id(options.screen_list[0]), c);
 649 #else
 650         mode_fn = get_screen_playlist();
 651 #endif
 652
 653         if( mode_fn && mode_fn->open )
 654                 mode_fn->open(screen, c);
 655
 656         /* initialize wreadln */
 657         wrln_wgetch = my_wgetch;
 658         wrln_max_history_length = 16;
 659
 660         return 0;
 661 }
 662
 663 void
 664 screen_paint(mpdclient_t *c)
 665 {
 666         const char *title = NULL;
 667
 668         if (mode_fn && mode_fn->get_title)
 669                 title = mode_fn->get_title(screen->buf, screen->buf_size);
 670
 671         D("screen_paint(%s)\n", title);
 672         /* paint the title/header window */
 673         if( title )
 674                 paint_top_window(title, c, 1);
 675         else
 676                 paint_top_window("", c, 1);
 677
 678         /* paint the main window */
 679         wclear(screen->main_window.w);
 680         if( mode_fn && mode_fn->paint )
 681                 mode_fn->paint(screen, c);
 682
 683         paint_progress_window(c);
 684         paint_status_window(c);
 685         screen->painted = 1;
 686         wmove(screen->main_window.w, 0, 0);
 687         wnoutrefresh(screen->main_window.w);
 688
 689         /* tell curses to update */
 690         doupdate();
 691 }
 692
 693 void
 694 screen_update(mpdclient_t *c)
 695 {
 696         static int repeat = -1;
 697         static int random = -1;
 698         static int crossfade = -1;
 699         static int dbupdate = -1;
 700         list_window_t *lw = NULL;
 701
 702         if( !screen->painted )
 703                 return screen_paint(c);
 704
 705         /* print a message if mpd status has changed */
 706         if (repeat < 0) {
 707                 repeat = c->status->repeat;
 708                 random = c->status->random;
 709                 crossfade = c->status->crossfade;
 710                 dbupdate = c->status->updatingDb;
 711         }
 712
 713         if (repeat != c->status->repeat)
 714                 screen_status_printf(c->status->repeat ?
 715                                      _("Repeat is on") :
 716                                      _("Repeat is off"));
 717
 718         if (random != c->status->random)
 719                 screen_status_printf(c->status->random ?
 720                                      _("Random is on") :
 721                                      _("Random is off"));
 722
 723         if (crossfade != c->status->crossfade)
 724                 screen_status_printf(_("Crossfade %d seconds"), c->status->crossfade);
 725
 726         if (dbupdate && dbupdate != c->status->updatingDb) {
 727                 screen_status_printf(_("Database updated!"));
 728                 mpdclient_browse_callback(c, BROWSE_DB_UPDATED, NULL);
 729         }
 730
 731         repeat = c->status->repeat;
 732         random = c->status->random;
 733         crossfade = c->status->crossfade;
 734         dbupdate = c->status->updatingDb;
 735
 736         /* update title/header window */
 737         if (welcome && screen->last_cmd==CMD_NONE &&
 738             time(NULL)-screen->start_timestamp <= SCREEN_WELCOME_TIME)
 739                 paint_top_window("", c, 0);
 740         else if (mode_fn && mode_fn->get_title) {
 741                 paint_top_window(mode_fn->get_title(screen->buf,screen->buf_size), c, 0);
 742                 welcome = FALSE;
 743         } else
 744                 paint_top_window("", c, 0);
 745
 746         /* update the main window */
 747         if (mode_fn && mode_fn->paint)
 748                 mode_fn->update(screen, c);
 749
 750         if (mode_fn && mode_fn->get_lw)
 751                 lw = mode_fn->get_lw();
 752
 753         /* update progress window */
 754         paint_progress_window(c);
 755
 756         /* update status window */
 757         paint_status_window(c);
 758
 759         /* move the cursor to the selected row in the main window */
 760         if (lw)
 761                 wmove(screen->main_window.w, LW_ROW(lw), 0);
 762         else
 763                 wmove(screen->main_window.w, 0, 0);
 764         wnoutrefresh(screen->main_window.w);
 765
 766         /* tell curses to update */
 767         doupdate();
 768 }
 769
 770 void
 771 screen_idle(mpdclient_t *c)
 772 {
 773         if( c->song && seek_id ==  c->song->id &&
 774             (screen->last_cmd == CMD_SEEK_FORWARD ||
 775              screen->last_cmd == CMD_SEEK_BACKWARD) )
 776                 {
 777                         mpdclient_cmd_seek(c, seek_id, seek_target_time);
 778                 }
 779
 780         screen->last_cmd = CMD_NONE;
 781         seek_id = -1;
 782 }
 783
 784 #ifdef HAVE_GETMOUSE
 785 int
 786 screen_get_mouse_event(mpdclient_t *c,
 787                        list_window_t *lw, int lw_length,
 788                        unsigned long *bstate, int *row)
 789 {
 790         MEVENT event;
 791
 792         /* retreive the mouse event from ncurses */
 793         getmouse(&event);
 794         D("mouse: id=%d  y=%d,x=%d,z=%d\n",event.id,event.y,event.x,event.z);
 795         /* calculate the selected row in the list window */
 796         *row = event.y - screen->top_window.rows;
 797         /* copy button state bits */
 798         *bstate = event.bstate;
 799         /* if button 2 was pressed switch screen */
 800         if (event.bstate & BUTTON2_CLICKED) {
 801                 screen_cmd(c, CMD_SCREEN_NEXT);
 802                 return 1;
 803         }
 804
 805         /* if the even occured above the list window move up */
 806         if (*row < 0 && lw) {
 807                 if (event.bstate & BUTTON3_CLICKED)
 808                         list_window_first(lw);
 809                 else
 810                         list_window_previous_page(lw);
 811                 return 1;
 812         }
 813
 814         /* if the even occured below the list window move down */
 815         if (*row >= lw->rows && lw) {
 816                 if (event.bstate & BUTTON3_CLICKED)
 817                         list_window_last(lw, lw_length);
 818                 else
 819                         list_window_next_page(lw, lw_length);
 820                 return 1;
 821         }
 822
 823         return 0;
 824 }
 825 #endif
 826
 827 void
 828 screen_cmd(mpdclient_t *c, command_t cmd)
 829 {
 830         screen->input_timestamp = time(NULL);
 831         screen->last_cmd = cmd;
 832         welcome = FALSE;
 833
 834         if( mode_fn && mode_fn->cmd && mode_fn->cmd(screen, c, cmd) )
 835                 return;
 836
 837         switch(cmd) {
 838         case CMD_PLAY:
 839                 mpdclient_cmd_play(c, MPD_PLAY_AT_BEGINNING);
 840                 break;
 841         case CMD_PAUSE:
 842                 mpdclient_cmd_pause(c, !IS_PAUSED(c->status->state));
 843                 break;
 844         case CMD_STOP:
 845                 mpdclient_cmd_stop(c);
 846                 break;
 847         case CMD_SEEK_FORWARD:
 848                 if (!IS_STOPPED(c->status->state)) {
 849                         if (c->song && seek_id != c->song->id) {
 850                                 seek_id = c->song->id;
 851                                 seek_target_time = c->status->elapsedTime;
 852                         }
 853                         seek_target_time+=options.seek_time;
 854                         if (seek_target_time < c->status->totalTime)
 855                                 break;
 856                         seek_target_time = c->status->totalTime;
 857                         /* seek_target_time=0; */
 858                 }
 859                 break;
 860                 /* fall through... */
 861         case CMD_TRACK_NEXT:
 862                 if (!IS_STOPPED(c->status->state))
 863                         mpdclient_cmd_next(c);
 864                 break;
 865         case CMD_SEEK_BACKWARD:
 866                 if (!IS_STOPPED(c->status->state)) {
 867                         if (seek_id != c->song->id) {
 868                                 seek_id = c->song->id;
 869                                 seek_target_time = c->status->elapsedTime;
 870                         }
 871                         seek_target_time-=options.seek_time;
 872                         if (seek_target_time < 0)
 873                                 seek_target_time=0;
 874                 }
 875                 break;
 876         case CMD_TRACK_PREVIOUS:
 877                 if (!IS_STOPPED(c->status->state))
 878                         mpdclient_cmd_prev(c);
 879                 break;
 880         case CMD_SHUFFLE:
 881                 if (mpdclient_cmd_shuffle(c) == 0)
 882                         screen_status_message(_("Shuffled playlist!"));
 883                 break;
 884         case CMD_CLEAR:
 885                 if (mpdclient_cmd_clear(c) == 0)
 886                         screen_status_message(_("Cleared playlist!"));
 887                 break;
 888         case CMD_REPEAT:
 889                 mpdclient_cmd_repeat(c, !c->status->repeat);
 890                 break;
 891         case CMD_RANDOM:
 892                 mpdclient_cmd_random(c, !c->status->random);
 893                 break;
 894         case CMD_CROSSFADE:
 895                 if (c->status->crossfade)
 896                         mpdclient_cmd_crossfade(c, 0);
 897                 else
 898                         mpdclient_cmd_crossfade(c, options.crossfade_time);
 899                 break;
 900         case CMD_DB_UPDATE:
 901                 if (!c->status->updatingDb) {
 902                         if( mpdclient_cmd_db_update_utf8(c,NULL)==0 )
 903                                 screen_status_printf(_("Database update started!"));
 904                 } else
 905                         screen_status_printf(_("Database update running..."));
 906                 break;
 907         case CMD_VOLUME_UP:
 908                 if( c->status->volume!=MPD_STATUS_NO_VOLUME && c->status->volume<100 )
 909                         mpdclient_cmd_volume(c, ++c->status->volume);
 910                 break;
 911         case CMD_VOLUME_DOWN:
 912                 if( c->status->volume!=MPD_STATUS_NO_VOLUME && c->status->volume>0 )
 913                         mpdclient_cmd_volume(c, --c->status->volume);
 914                 break;
 915         case CMD_TOGGLE_FIND_WRAP:
 916                 options.find_wrap = !options.find_wrap;
 917                 screen_status_printf(options.find_wrap ?
 918                                      _("Find mode: Wrapped") :
 919                                      _("Find mode: Normal"));
 920                 break;
 921         case CMD_TOGGLE_AUTOCENTER:
 922                 options.auto_center = !options.auto_center;
 923                 screen_status_printf(options.auto_center ?
 924                                      _("Auto center mode: On") :
 925                                      _("Auto center mode: Off"));
 926                 break;
 927         case CMD_SCREEN_UPDATE:
 928                 screen->painted = 0;
 929                 break;
 930         case CMD_SCREEN_PREVIOUS:
 931                 screen_next_mode(c, -1);
 932                 break;
 933         case CMD_SCREEN_NEXT:
 934                 screen_next_mode(c, 1);
 935                 break;
 936         case CMD_SCREEN_PLAY:
 937                 switch_screen_mode(SCREEN_PLAYLIST_ID, c);
 938                 break;
 939         case CMD_SCREEN_FILE:
 940                 switch_screen_mode(SCREEN_BROWSE_ID, c);
 941                 break;
 942         case CMD_SCREEN_HELP:
 943                 switch_screen_mode(SCREEN_HELP_ID, c);
 944                 break;
 945         case CMD_SCREEN_SEARCH:
 946                 switch_screen_mode(SCREEN_SEARCH_ID, c);
 947                 break;
 948         case CMD_SCREEN_ARTIST:
 949                 switch_screen_mode(SCREEN_ARTIST_ID, c);
 950                 break;
 951         case CMD_SCREEN_KEYDEF:
 952                 switch_screen_mode(SCREEN_KEYDEF_ID, c);
 953                 break;
 954         case CMD_SCREEN_CLOCK:
 955                 switch_screen_mode(SCREEN_CLOCK_ID, c);
 956                 break;
 957         case CMD_SCREEN_LYRICS:
 958                 switch_screen_mode(SCREEN_LYRICS_ID, c);
 959                 break;
 960         case CMD_QUIT:
 961                 exit(EXIT_SUCCESS);
 962         default:
 963                 break;
 964         }
 965 }