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 == NULL || 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 != NULL) {
 244                 if (c->status->repeat)
 245                         g_strlcat(flags, "r", sizeof(flags));
 246                 if (c->status->random)
 247                         g_strlcat(flags, "z", sizeof(flags));;
 248                 if (c->status->crossfade)
 249                         g_strlcat(flags, "x", sizeof(flags));
 250                 if (c->status->updatingDb)
 251                         g_strlcat(flags, "U", sizeof(flags));
 252         }
 253
 254         colors_use(w, COLOR_LINE);
 255         mvwhline(w, 1, 0, ACS_HLINE, screen.top_window.cols);
 256         if (flags[0]) {
 257                 wmove(w,1,screen.top_window.cols-strlen(flags)-3);
 258                 waddch(w, '[');
 259                 colors_use(w, COLOR_LINE_BOLD);
 260                 waddstr(w, flags);
 261                 colors_use(w, COLOR_LINE);
 262                 waddch(w, ']');
 263         }
 264         wnoutrefresh(w);
 265 }
 266
 267 static void
 268 paint_top_window(const char *header, mpdclient_t *c, int full_repaint)
 269 {
 270         static int prev_volume = -1;
 271         static size_t prev_header_len = -1;
 272         WINDOW *w = screen.top_window.w;
 273
 274         if (prev_header_len!=my_strlen(header)) {
 275                 prev_header_len = my_strlen(header);
 276                 full_repaint = 1;
 277         }
 278
 279         if (full_repaint) {
 280                 wmove(w, 0, 0);
 281                 wclrtoeol(w);
 282         }
 283
 284         if ((c->status != NULL && prev_volume != c->status->volume) ||
 285             full_repaint)
 286                 paint_top_window2(header, c);
 287 }
 288
 289 static void
 290 paint_progress_window(mpdclient_t *c)
 291 {
 292         double p;
 293         int width;
 294         int elapsedTime;
 295
 296         if (c->status==NULL || IS_STOPPED(c->status->state)) {
 297                 mvwhline(screen.progress_window.w, 0, 0, ACS_HLINE,
 298                          screen.progress_window.cols);
 299                 wnoutrefresh(screen.progress_window.w);
 300                 return;
 301         }
 302
 303         if (c->song && seek_id == c->song->id)
 304                 elapsedTime = seek_target_time;
 305         else
 306                 elapsedTime = c->status->elapsedTime;
 307
 308         p = ((double) elapsedTime) / ((double) c->status->totalTime);
 309
 310         width = (int) (p * (double) screen.progress_window.cols);
 311         mvwhline(screen.progress_window.w,
 312                  0, 0,
 313                  ACS_HLINE,
 314                  screen.progress_window.cols);
 315         whline(screen.progress_window.w, '=', width-1);
 316         mvwaddch(screen.progress_window.w, 0, width-1, 'O');
 317         wnoutrefresh(screen.progress_window.w);
 318 }
 319
 320 static void
 321 paint_status_window(mpdclient_t *c)
 322 {
 323         WINDOW *w = screen.status_window.w;
 324         mpd_Status *status = c->status;
 325         mpd_Song *song = c->song;
 326         int elapsedTime = 0;
 327         const char *str = NULL;
 328         int x = 0;
 329
 330         if( time(NULL) - screen.status_timestamp <= SCREEN_STATUS_MESSAGE_TIME )
 331                 return;
 332
 333         wmove(w, 0, 0);
 334         wclrtoeol(w);
 335         colors_use(w, COLOR_STATUS_BOLD);
 336
 337         switch (status == NULL ? MPD_STATUS_STATE_STOP : status->state) {
 338         case MPD_STATUS_STATE_PLAY:
 339                 str = _("Playing:");
 340                 break;
 341         case MPD_STATUS_STATE_PAUSE:
 342                 str = _("[Paused]");
 343                 break;
 344         case MPD_STATUS_STATE_STOP:
 345         default:
 346                 break;
 347         }
 348
 349         if (str) {
 350                 waddstr(w, str);
 351                 x += my_strlen(str)+1;
 352         }
 353
 354         /* create time string */
 355         memset(screen.buf, 0, screen.buf_size);
 356         if (status != NULL && (IS_PLAYING(status->state) ||
 357                                IS_PAUSED(status->state))) {
 358                 if (status->totalTime > 0) {
 359                         /*checks the conf to see whether to display elapsed or remaining time */
 360                         if(!strcmp(options.timedisplay_type,"elapsed"))
 361                                 elapsedTime = c->status->elapsedTime;
 362                         else if(!strcmp(options.timedisplay_type,"remaining"))
 363                                 elapsedTime = (c->status->totalTime - c->status->elapsedTime);
 364
 365                         if( c->song && seek_id == c->song->id )
 366                                 elapsedTime = seek_target_time;
 367                         /*write out the time, using hours if time over 60 minutes*/
 368                         if (c->status->totalTime > 3600) {
 369                                 g_snprintf(screen.buf, screen.buf_size,
 370                                            " [%i:%02i:%02i/%i:%02i:%02i]",
 371                                            elapsedTime/3600, (elapsedTime%3600)/60, elapsedTime%60,
 372                                            status->totalTime/3600, (status->totalTime%3600)/60,  status->totalTime%60);
 373                         } else {
 374                                 g_snprintf(screen.buf, screen.buf_size,
 375                                            " [%i:%02i/%i:%02i]",
 376                                            elapsedTime/60, elapsedTime%60,
 377                                            status->totalTime/60,   status->totalTime%60 );
 378                         }
 379                 } else {
 380                         g_snprintf(screen.buf, screen.buf_size,
 381                                    " [%d kbps]", status->bitRate );
 382                 }
 383         } else {
 384                 time_t timep;
 385
 386                 time(&timep);
 387                 strftime(screen.buf, screen.buf_size, "%X ",localtime(&timep));
 388         }
 389
 390         /* display song */
 391         if (status != NULL && (IS_PLAYING(status->state) ||
 392                                IS_PAUSED(status->state))) {
 393                 char songname[MAX_SONGNAME_LENGTH];
 394                 int width = COLS-x-my_strlen(screen.buf);
 395
 396                 if (song)
 397                         strfsong(songname, MAX_SONGNAME_LENGTH, STATUS_FORMAT, song);
 398                 else
 399                         songname[0] = '\0';
 400
 401                 colors_use(w, COLOR_STATUS);
 402                 /* scroll if the song name is to long */
 403                 if (options.scroll && my_strlen(songname) > (size_t)width) {
 404                         static  scroll_state_t st = { 0, 0 };
 405                         char *tmp = strscroll(songname, options.scroll_sep, width, &st);
 406
 407                         g_strlcpy(songname, tmp, MAX_SONGNAME_LENGTH);
 408                         g_free(tmp);
 409                 }
 410                 //mvwaddnstr(w, 0, x, songname, width);
 411                 mvwaddstr(w, 0, x, songname);
 412         }
 413
 414         /* display time string */
 415         if (screen.buf[0]) {
 416                 x = screen.status_window.cols - strlen(screen.buf);
 417                 colors_use(w, COLOR_STATUS_TIME);
 418                 mvwaddstr(w, 0, x, screen.buf);
 419         }
 420
 421         wnoutrefresh(w);
 422 }
 423
 424 void
 425 screen_exit(void)
 426 {
 427         guint i;
 428
 429         endwin();
 430
 431         if (mode_fn->close != NULL)
 432                 mode_fn->close();
 433
 434         /* close and exit all screens (playlist,browse,help...) */
 435         for (i = 0; i < NUM_SCREENS; ++i) {
 436                 const struct screen_functions *sf = screens[i].functions;
 437
 438                 if (sf->exit)
 439                         sf->exit();
 440         }
 441
 442         string_list_free(screen.find_history);
 443         g_free(screen.buf);
 444         g_free(screen.findbuf);
 445 }
 446
 447 void
 448 screen_resize(void)
 449 {
 450         guint i;
 451
 452         D("Resize rows %d->%d, cols %d->%d\n",screen.rows,LINES,screen.cols,COLS);
 453         if (COLS<SCREEN_MIN_COLS || LINES<SCREEN_MIN_ROWS) {
 454                 screen_exit();
 455                 fprintf(stderr, _("Error: Screen to small!\n"));
 456                 exit(EXIT_FAILURE);
 457         }
 458
 459         resizeterm(LINES, COLS);
 460
 461         screen.cols = COLS;
 462         screen.rows = LINES;
 463
 464         /* top window */
 465         screen.top_window.cols = screen.cols;
 466         wresize(screen.top_window.w, 2, screen.cols);
 467
 468         /* main window */
 469         screen.main_window.cols = screen.cols;
 470         screen.main_window.rows = screen.rows-4;
 471         wresize(screen.main_window.w, screen.main_window.rows, screen.cols);
 472         wclear(screen.main_window.w);
 473
 474         /* progress window */
 475         screen.progress_window.cols = screen.cols;
 476         wresize(screen.progress_window.w, 1, screen.cols);
 477         mvwin(screen.progress_window.w, screen.rows-2, 0);
 478
 479         /* status window */
 480         screen.status_window.cols = screen.cols;
 481         wresize(screen.status_window.w, 1, screen.cols);
 482         mvwin(screen.status_window.w, screen.rows-1, 0);
 483
 484         screen.buf_size = screen.cols;
 485         g_free(screen.buf);
 486         screen.buf = g_malloc(screen.cols);
 487
 488         /* close and exit all screens (playlist,browse,help...) */
 489         for (i = 0; i < NUM_SCREENS; ++i) {
 490                 const struct screen_functions *sf = screens[i].functions;
 491
 492                 if (sf->resize)
 493                         sf->resize(screen.main_window.cols, screen.main_window.rows);
 494         }
 495
 496
 497         /* ? - without this the cursor becomes visible with aterm & Eterm */
 498         curs_set(1);
 499         curs_set(0);
 500
 501         screen.painted = 0;
 502 }
 503
 504 void
 505 screen_status_message(const char *msg)
 506 {
 507         WINDOW *w = screen.status_window.w;
 508
 509         wmove(w, 0, 0);
 510         wclrtoeol(w);
 511         colors_use(w, COLOR_STATUS_ALERT);
 512         waddstr(w, msg);
 513         wnoutrefresh(w);
 514         screen.status_timestamp = time(NULL);
 515 }
 516
 517 void
 518 screen_status_printf(const char *format, ...)
 519 {
 520         char *msg;
 521         va_list ap;
 522
 523         va_start(ap,format);
 524         msg = g_strdup_vprintf(format,ap);
 525         va_end(ap);
 526         screen_status_message(msg);
 527         g_free(msg);
 528 }
 529
 530 void
 531 ncurses_init(void)
 532 {
 533
 534         /* initialize the curses library */
 535         initscr();
 536         /* initialize color support */
 537         colors_start();
 538         /* tell curses not to do NL->CR/NL on output */
 539         nonl();
 540         /*  use raw mode (ignore interrupt,quit,suspend, and flow control ) */
 541 #ifdef ENABLE_RAW_MODE
 542         //  raw();
 543 #endif
 544         /* don't echo input */
 545         noecho();
 546         /* set cursor invisible */
 547         curs_set(0);
 548         /* enable extra keys */
 549         keypad(stdscr, TRUE);
 550         /* initialize mouse support */
 551 #ifdef HAVE_GETMOUSE
 552         if (options.enable_mouse)
 553                 mousemask(ALL_MOUSE_EVENTS, NULL);
 554 #endif
 555
 556         if (COLS < SCREEN_MIN_COLS || LINES < SCREEN_MIN_ROWS) {
 557                 fprintf(stderr, _("Error: Screen to small!\n"));
 558                 exit(EXIT_FAILURE);
 559         }
 560
 561         screen.mode = 0;
 562         screen.cols = COLS;
 563         screen.rows = LINES;
 564
 565         screen.buf  = g_malloc(screen.cols);
 566         screen.buf_size = screen.cols;
 567         screen.findbuf = NULL;
 568         screen.painted = 0;
 569         screen.start_timestamp = time(NULL);
 570         screen.input_timestamp = time(NULL);
 571         screen.last_cmd = CMD_NONE;
 572
 573         /* create top window */
 574         screen.top_window.rows = 2;
 575         screen.top_window.cols = screen.cols;
 576         screen.top_window.w = newwin(screen.top_window.rows,
 577                                       screen.top_window.cols,
 578                                       0, 0);
 579         leaveok(screen.top_window.w, TRUE);
 580         keypad(screen.top_window.w, TRUE);
 581
 582         /* create main window */
 583         screen.main_window.rows = screen.rows-4;
 584         screen.main_window.cols = screen.cols;
 585         screen.main_window.w = newwin(screen.main_window.rows,
 586                                        screen.main_window.cols,
 587                                        2,
 588                                        0);
 589
 590         //  leaveok(screen.main_window.w, TRUE); temporary disabled
 591         keypad(screen.main_window.w, TRUE);
 592
 593         /* create progress window */
 594         screen.progress_window.rows = 1;
 595         screen.progress_window.cols = screen.cols;
 596         screen.progress_window.w = newwin(screen.progress_window.rows,
 597                                            screen.progress_window.cols,
 598                                            screen.rows-2,
 599                                            0);
 600         leaveok(screen.progress_window.w, TRUE);
 601
 602         /* create status window */
 603         screen.status_window.rows = 1;
 604         screen.status_window.cols = screen.cols;
 605         screen.status_window.w = newwin(screen.status_window.rows,
 606                                          screen.status_window.cols,
 607                                          screen.rows-1,
 608                                          0);
 609
 610         leaveok(screen.status_window.w, FALSE);
 611         keypad(screen.status_window.w, TRUE);
 612
 613         if (options.enable_colors) {
 614                 /* set background attributes */
 615                 wbkgd(stdscr, COLOR_PAIR(COLOR_LIST));
 616                 wbkgd(screen.main_window.w,     COLOR_PAIR(COLOR_LIST));
 617                 wbkgd(screen.top_window.w,      COLOR_PAIR(COLOR_TITLE));
 618                 wbkgd(screen.progress_window.w, COLOR_PAIR(COLOR_PROGRESSBAR));
 619                 wbkgd(screen.status_window.w,   COLOR_PAIR(COLOR_STATUS));
 620                 colors_use(screen.progress_window.w, COLOR_PROGRESSBAR);
 621         }
 622
 623         refresh();
 624 }
 625
 626 void
 627 screen_init(mpdclient_t *c)
 628 {
 629         guint i;
 630
 631         /* initialize screens */
 632         for (i = 0; i < NUM_SCREENS; ++i) {
 633                 const struct screen_functions *fn = screens[i].functions;
 634
 635                 if (fn->init)
 636                         fn->init(screen.main_window.w,
 637                                  screen.main_window.cols,
 638                                  screen.main_window.rows);
 639         }
 640
 641         if (mode_fn->open != NULL)
 642                 mode_fn->open(&screen, c);
 643
 644         /* initialize wreadln */
 645         wrln_wgetch = my_wgetch;
 646         wrln_max_history_length = 16;
 647 }
 648
 649 void
 650 screen_paint(mpdclient_t *c)
 651 {
 652         const char *title = NULL;
 653
 654         if (mode_fn->get_title != NULL)
 655                 title = mode_fn->get_title(screen.buf, screen.buf_size);
 656
 657         D("screen_paint(%s)\n", title);
 658         /* paint the title/header window */
 659         if( title )
 660                 paint_top_window(title, c, 1);
 661         else
 662                 paint_top_window("", c, 1);
 663
 664         /* paint the main window */
 665         wclear(screen.main_window.w);
 666         if (mode_fn->paint != NULL)
 667                 mode_fn->paint(&screen, c);
 668
 669         paint_progress_window(c);
 670         paint_status_window(c);
 671         screen.painted = 1;
 672         wmove(screen.main_window.w, 0, 0);
 673         wnoutrefresh(screen.main_window.w);
 674
 675         /* tell curses to update */
 676         doupdate();
 677 }
 678
 679 void
 680 screen_update(mpdclient_t *c)
 681 {
 682         static int repeat = -1;
 683         static int random_enabled = -1;
 684         static int crossfade = -1;
 685         static int dbupdate = -1;
 686
 687         if( !screen.painted )
 688                 return screen_paint(c);
 689
 690         /* print a message if mpd status has changed */
 691         if (c->status != NULL) {
 692                 if (repeat < 0) {
 693                         repeat = c->status->repeat;
 694                         random_enabled = c->status->random;
 695                         crossfade = c->status->crossfade;
 696                         dbupdate = c->status->updatingDb;
 697                 }
 698
 699                 if (repeat != c->status->repeat)
 700                         screen_status_printf(c->status->repeat ?
 701                                              _("Repeat is on") :
 702                                              _("Repeat is off"));
 703
 704                 if (random_enabled != c->status->random)
 705                         screen_status_printf(c->status->random ?
 706                                              _("Random is on") :
 707                                              _("Random is off"));
 708
 709                 if (crossfade != c->status->crossfade)
 710                         screen_status_printf(_("Crossfade %d seconds"), c->status->crossfade);
 711
 712                 if (dbupdate && dbupdate != c->status->updatingDb) {
 713                         screen_status_printf(_("Database updated!"));
 714                         mpdclient_browse_callback(c, BROWSE_DB_UPDATED, NULL);
 715                 }
 716
 717                 repeat = c->status->repeat;
 718                 random_enabled = c->status->random;
 719                 crossfade = c->status->crossfade;
 720                 dbupdate = c->status->updatingDb;
 721         }
 722
 723         /* update title/header window */
 724         if (welcome && screen.last_cmd==CMD_NONE &&
 725             time(NULL)-screen.start_timestamp <= SCREEN_WELCOME_TIME)
 726                 paint_top_window("", c, 0);
 727         else if (mode_fn->get_title != NULL) {
 728                 paint_top_window(mode_fn->get_title(screen.buf,screen.buf_size), c, 0);
 729                 welcome = FALSE;
 730         } else
 731                 paint_top_window("", c, 0);
 732
 733         /* update the main window */
 734         if (mode_fn->update != NULL)
 735                 mode_fn->update(&screen, c);
 736
 737         /* update progress window */
 738         paint_progress_window(c);
 739
 740         /* update status window */
 741         paint_status_window(c);
 742
 743         /* move the cursor to the origin */
 744         wmove(screen.main_window.w, 0, 0);
 745         wnoutrefresh(screen.main_window.w);
 746
 747         /* tell curses to update */
 748         doupdate();
 749 }
 750
 751 void
 752 screen_idle(mpdclient_t *c)
 753 {
 754         if (c->song && seek_id == c->song->id &&
 755             (screen.last_cmd == CMD_SEEK_FORWARD ||
 756              screen.last_cmd == CMD_SEEK_BACKWARD))
 757                 mpdclient_cmd_seek(c, seek_id, seek_target_time);
 758
 759         screen.last_cmd = CMD_NONE;
 760         seek_id = -1;
 761 }
 762
 763 #ifdef HAVE_GETMOUSE
 764 int
 765 screen_get_mouse_event(mpdclient_t *c,
 766                        list_window_t *lw, int lw_length,
 767                        unsigned long *bstate, int *row)
 768 {
 769         MEVENT event;
 770
 771         /* retreive the mouse event from ncurses */
 772         getmouse(&event);
 773         D("mouse: id=%d  y=%d,x=%d,z=%d\n",event.id,event.y,event.x,event.z);
 774         /* calculate the selected row in the list window */
 775         *row = event.y - screen.top_window.rows;
 776         /* copy button state bits */
 777         *bstate = event.bstate;
 778         /* if button 2 was pressed switch screen */
 779         if (event.bstate & BUTTON2_CLICKED) {
 780                 screen_cmd(c, CMD_SCREEN_NEXT);
 781                 return 1;
 782         }
 783
 784         /* if the even occured above the list window move up */
 785         if (*row < 0 && lw) {
 786                 if (event.bstate & BUTTON3_CLICKED)
 787                         list_window_first(lw);
 788                 else
 789                         list_window_previous_page(lw);
 790                 return 1;
 791         }
 792
 793         /* if the even occured below the list window move down */
 794         if ((unsigned)*row >= lw->rows && lw) {
 795                 if (event.bstate & BUTTON3_CLICKED)
 796                         list_window_last(lw, lw_length);
 797                 else
 798                         list_window_next_page(lw, lw_length);
 799                 return 1;
 800         }
 801
 802         return 0;
 803 }
 804 #endif
 805
 806 static int
 807 screen_client_cmd(mpdclient_t *c, command_t cmd)
 808 {
 809         if (c->connection == NULL || c->status == NULL)
 810                 return 0;
 811
 812         switch(cmd) {
 813         case CMD_PLAY:
 814                 mpdclient_cmd_play(c, MPD_PLAY_AT_BEGINNING);
 815                 break;
 816         case CMD_PAUSE:
 817                 mpdclient_cmd_pause(c, !IS_PAUSED(c->status->state));
 818                 break;
 819         case CMD_STOP:
 820                 mpdclient_cmd_stop(c);
 821                 break;
 822         case CMD_SEEK_FORWARD:
 823                 if (!IS_STOPPED(c->status->state)) {
 824                         if (c->song && seek_id != c->song->id) {
 825                                 seek_id = c->song->id;
 826                                 seek_target_time = c->status->elapsedTime;
 827                         }
 828                         seek_target_time+=options.seek_time;
 829                         if (seek_target_time < c->status->totalTime)
 830                                 break;
 831                         seek_target_time = c->status->totalTime;
 832                         /* seek_target_time=0; */
 833                 }
 834                 break;
 835                 /* fall through... */
 836         case CMD_TRACK_NEXT:
 837                 if (!IS_STOPPED(c->status->state))
 838                         mpdclient_cmd_next(c);
 839                 break;
 840         case CMD_SEEK_BACKWARD:
 841                 if (!IS_STOPPED(c->status->state)) {
 842                         if (seek_id != c->song->id) {
 843                                 seek_id = c->song->id;
 844                                 seek_target_time = c->status->elapsedTime;
 845                         }
 846                         seek_target_time-=options.seek_time;
 847                         if (seek_target_time < 0)
 848                                 seek_target_time=0;
 849                 }
 850                 break;
 851         case CMD_TRACK_PREVIOUS:
 852                 if (!IS_STOPPED(c->status->state))
 853                         mpdclient_cmd_prev(c);
 854                 break;
 855         case CMD_SHUFFLE:
 856                 if (mpdclient_cmd_shuffle(c) == 0)
 857                         screen_status_message(_("Shuffled playlist!"));
 858                 break;
 859         case CMD_CLEAR:
 860                 if (mpdclient_cmd_clear(c) == 0)
 861                         screen_status_message(_("Cleared playlist!"));
 862                 break;
 863         case CMD_REPEAT:
 864                 mpdclient_cmd_repeat(c, !c->status->repeat);
 865                 break;
 866         case CMD_RANDOM:
 867                 mpdclient_cmd_random(c, !c->status->random);
 868                 break;
 869         case CMD_CROSSFADE:
 870                 if (c->status->crossfade)
 871                         mpdclient_cmd_crossfade(c, 0);
 872                 else
 873                         mpdclient_cmd_crossfade(c, options.crossfade_time);
 874                 break;
 875         case CMD_DB_UPDATE:
 876                 if (!c->status->updatingDb) {
 877                         if( mpdclient_cmd_db_update_utf8(c,NULL)==0 )
 878                                 screen_status_printf(_("Database update started!"));
 879                 } else
 880                         screen_status_printf(_("Database update running..."));
 881                 break;
 882         case CMD_VOLUME_UP:
 883                 if( c->status->volume!=MPD_STATUS_NO_VOLUME && c->status->volume<100 )
 884                         mpdclient_cmd_volume(c, ++c->status->volume);
 885                 break;
 886         case CMD_VOLUME_DOWN:
 887                 if( c->status->volume!=MPD_STATUS_NO_VOLUME && c->status->volume>0 )
 888                         mpdclient_cmd_volume(c, --c->status->volume);
 889                 break;
 890
 891         default:
 892                 return 0;
 893         }
 894
 895         return 1;
 896 }
 897
 898 void
 899 screen_cmd(mpdclient_t *c, command_t cmd)
 900 {
 901         screen.input_timestamp = time(NULL);
 902         screen.last_cmd = cmd;
 903         welcome = FALSE;
 904
 905         if (mode_fn->cmd != NULL && mode_fn->cmd(&screen, c, cmd))
 906                 return;
 907
 908         if (screen_client_cmd(c, cmd))
 909                 return;
 910
 911         switch(cmd) {
 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 }