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