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_SEARCH_ID       103
  47 #define SCREEN_LYRICS_ID           104
  48
  49
  50
  51 /* screens */
  52 extern const struct screen_functions screen_playlist;
  53 extern const struct screen_functions screen_browse;
  54 #ifdef ENABLE_ARTIST_SCREEN
  55 extern const struct screen_functions screen_artist;
  56 #endif
  57 extern const struct screen_functions screen_help;
  58 #ifdef ENABLE_SEARCH_SCREEN
  59 extern const struct screen_functions screen_search;
  60 #endif
  61 #ifdef ENABLE_KEYDEF_SCREEN
  62 extern const struct screen_functions screen_keydef;
  63 #endif
  64 extern const struct screen_functions screen_lyrics;
  65
  66 typedef struct screen_functions * (*screen_get_mode_functions_fn_t) (void);
  67
  68 static const struct
  69 {
  70         gint id;
  71         const gchar *name;
  72         const struct screen_functions *functions;
  73 } screens[] = {
  74         { SCREEN_PLAYLIST_ID, "playlist", &screen_playlist },
  75         { SCREEN_BROWSE_ID, "browse", &screen_browse },
  76 #ifdef ENABLE_ARTIST_SCREEN
  77         { SCREEN_ARTIST_ID, "artist", &screen_artist },
  78 #endif
  79         { SCREEN_HELP_ID, "help", &screen_help },
  80 #ifdef ENABLE_SEARCH_SCREEN
  81         { SCREEN_SEARCH_ID, "search", &screen_search },
  82 #endif
  83 #ifdef ENABLE_KEYDEF_SCREEN
  84         { SCREEN_KEYDEF_ID, "keydef", &screen_keydef },
  85 #endif
  86 #ifdef ENABLE_LYRICS_SCREEN
  87         { SCREEN_LYRICS_ID, "lyrics", &screen_lyrics },
  88 #endif
  89 };
  90
  91 #define NUM_SCREENS (sizeof(screens) / sizeof(screens[0]))
  92
  93 static gboolean welcome = TRUE;
  94 static struct screen screen;
  95 static const struct screen_functions *mode_fn = &screen_playlist;
  96 static int seek_id = -1;
  97 static int seek_target_time = 0;
  98
  99 gint
 100 screen_get_id(const char *name)
 101 {
 102         guint i;
 103
 104         for (i = 0; i < NUM_SCREENS; ++i)
 105                 if (strcmp(name, screens[i].name) == 0)
 106                         return screens[i].id;
 107
 108         return -1;
 109 }
 110
 111 static gint
 112 lookup_mode(gint id)
 113 {
 114         guint i;
 115
 116         for (i = 0; i < NUM_SCREENS; ++i)
 117                 if (screens[i].id == id)
 118                         return i;
 119
 120         return -1;
 121 }
 122
 123 gint get_cur_mode_id(void)
 124 {
 125         return screens[screen.mode].id;
 126 }
 127
 128 static void
 129 switch_screen_mode(gint id, mpdclient_t *c)
 130 {
 131         gint new_mode;
 132
 133         if( id == screens[screen.mode].id )
 134                 return;
 135
 136         new_mode = lookup_mode(id);
 137         if (new_mode < 0)
 138                 return;
 139
 140         /* close the old mode */
 141         if (mode_fn->close != NULL)
 142                 mode_fn->close();
 143
 144         /* get functions for the new mode */
 145         D("switch_screen(%s)\n", screens[new_mode].name );
 146         mode_fn = screens[new_mode].functions;
 147         screen.mode = new_mode;
 148         screen.painted = 0;
 149
 150         /* open the new mode */
 151         if (mode_fn->open != NULL)
 152                 mode_fn->open(&screen, c);
 153 }
 154
 155 static int
 156 find_configured_screen(const char *name)
 157 {
 158         unsigned i;
 159
 160         for (i = 0; options.screen_list[i] != NULL; ++i)
 161                 if (strcmp(options.screen_list[i], name) == 0)
 162                         return i;
 163
 164         return -1;
 165 }
 166
 167 static void
 168 screen_next_mode(mpdclient_t *c, int offset)
 169 {
 170         int max = g_strv_length(options.screen_list);
 171         int current, next;
 172
 173         /* find current screen */
 174         current = find_configured_screen(screens[screen.mode].name);
 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 == NULL || 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 != NULL) {
 237                 if (c->status->repeat)
 238                         g_strlcat(flags, "r", sizeof(flags));
 239                 if (c->status->random)
 240                         g_strlcat(flags, "z", sizeof(flags));;
 241                 if (c->status->crossfade)
 242                         g_strlcat(flags, "x", sizeof(flags));
 243                 if (c->status->updatingDb)
 244                         g_strlcat(flags, "U", sizeof(flags));
 245         }
 246
 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 full_repaint)
 262 {
 263         static int prev_volume = -1;
 264         static size_t 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                 full_repaint = 1;
 270         }
 271
 272         if (full_repaint) {
 273                 wmove(w, 0, 0);
 274                 wclrtoeol(w);
 275         }
 276
 277         if ((c->status != NULL && prev_volume != c->status->volume) ||
 278             full_repaint)
 279                 paint_top_window2(header, c);
 280 }
 281
 282 static void
 283 paint_progress_window(mpdclient_t *c)
 284 {
 285         double p;
 286         int width;
 287         int elapsedTime;
 288
 289         if (c->status==NULL || IS_STOPPED(c->status->state)) {
 290                 mvwhline(screen.progress_window.w, 0, 0, ACS_HLINE,
 291                          screen.progress_window.cols);
 292                 wnoutrefresh(screen.progress_window.w);
 293                 return;
 294         }
 295
 296         if (c->song && seek_id == c->song->id)
 297                 elapsedTime = seek_target_time;
 298         else
 299                 elapsedTime = c->status->elapsedTime;
 300
 301         p = ((double) elapsedTime) / ((double) c->status->totalTime);
 302
 303         width = (int) (p * (double) screen.progress_window.cols);
 304         mvwhline(screen.progress_window.w,
 305                  0, 0,
 306                  ACS_HLINE,
 307                  screen.progress_window.cols);
 308         whline(screen.progress_window.w, '=', width-1);
 309         mvwaddch(screen.progress_window.w, 0, width-1, 'O');
 310         wnoutrefresh(screen.progress_window.w);
 311 }
 312
 313 static void
 314 paint_status_window(mpdclient_t *c)
 315 {
 316         WINDOW *w = screen.status_window.w;
 317         mpd_Status *status = c->status;
 318         mpd_Song *song = c->song;
 319         int elapsedTime = 0;
 320         char bitrate[16];
 321         const char *str = NULL;
 322         int x = 0;
 323
 324         if( time(NULL) - screen.status_timestamp <= SCREEN_STATUS_MESSAGE_TIME )
 325                 return;
 326
 327         wmove(w, 0, 0);
 328         wclrtoeol(w);
 329         colors_use(w, COLOR_STATUS_BOLD);
 330
 331         switch (status == NULL ? MPD_STATUS_STATE_STOP : status->state) {
 332         case MPD_STATUS_STATE_PLAY:
 333                 str = _("Playing:");
 334                 break;
 335         case MPD_STATUS_STATE_PAUSE:
 336                 str = _("[Paused]");
 337                 break;
 338         case MPD_STATUS_STATE_STOP:
 339         default:
 340                 break;
 341         }
 342
 343         if (str) {
 344                 waddstr(w, str);
 345                 x += my_strlen(str)+1;
 346         }
 347
 348         /* create time string */
 349         memset(screen.buf, 0, screen.buf_size);
 350         if (status != NULL && (IS_PLAYING(status->state) ||
 351                                IS_PAUSED(status->state))) {
 352                 if (status->totalTime > 0) {
 353                         /*checks the conf to see whether to display elapsed or remaining time */
 354                         if(!strcmp(options.timedisplay_type,"elapsed"))
 355                                 elapsedTime = c->status->elapsedTime;
 356                         else if(!strcmp(options.timedisplay_type,"remaining"))
 357                                 elapsedTime = (c->status->totalTime - c->status->elapsedTime);
 358
 359                         if( c->song && seek_id == c->song->id )
 360                                 elapsedTime = seek_target_time;
 361
 362                         /* display bitrate if visible-bitrate is true */
 363                         if (options.visible_bitrate) {
 364                                 g_snprintf(bitrate, 16,
 365                                            " [%d kbps]", status->bitRate);
 366                         } else {
 367                                 bitrate[0] = '\0';
 368                         }
 369
 370                         /*write out the time, using hours if time over 60 minutes*/
 371                         if (c->status->totalTime > 3600) {
 372                                 g_snprintf(screen.buf, screen.buf_size,
 373                                            "%s [%i:%02i:%02i/%i:%02i:%02i]",
 374                                            bitrate, elapsedTime/3600, (elapsedTime%3600)/60, elapsedTime%60,
 375                                            status->totalTime/3600, (status->totalTime%3600)/60,  status->totalTime%60);
 376                         } else {
 377                                 g_snprintf(screen.buf, screen.buf_size,
 378                                            "%s [%i:%02i/%i:%02i]",
 379                                            bitrate, elapsedTime/60, elapsedTime%60,
 380                                            status->totalTime/60,   status->totalTime%60 );
 381                         }
 382                 } else {
 383                         g_snprintf(screen.buf, screen.buf_size,
 384                                    " [%d kbps]", status->bitRate );
 385                 }
 386         } else {
 387                 time_t timep;
 388
 389                 time(&timep);
 390                 strftime(screen.buf, screen.buf_size, "%X ",localtime(&timep));
 391         }
 392
 393         /* display song */
 394         if (status != NULL && (IS_PLAYING(status->state) ||
 395                                IS_PAUSED(status->state))) {
 396                 char songname[MAX_SONGNAME_LENGTH];
 397                 int width = COLS-x-my_strlen(screen.buf);
 398
 399                 if (song)
 400                         strfsong(songname, MAX_SONGNAME_LENGTH, STATUS_FORMAT, song);
 401                 else
 402                         songname[0] = '\0';
 403
 404                 colors_use(w, COLOR_STATUS);
 405                 /* scroll if the song name is to long */
 406                 if (options.scroll && my_strlen(songname) > (size_t)width) {
 407                         static  scroll_state_t st = { 0, 0 };
 408                         char *tmp = strscroll(songname, options.scroll_sep, width, &st);
 409
 410                         g_strlcpy(songname, tmp, MAX_SONGNAME_LENGTH);
 411                         g_free(tmp);
 412                 }
 413                 //mvwaddnstr(w, 0, x, songname, width);
 414                 mvwaddstr(w, 0, x, songname);
 415         }
 416
 417         /* display time string */
 418         if (screen.buf[0]) {
 419                 x = screen.status_window.cols - strlen(screen.buf);
 420                 colors_use(w, COLOR_STATUS_TIME);
 421                 mvwaddstr(w, 0, x, screen.buf);
 422         }
 423
 424         wnoutrefresh(w);
 425 }
 426
 427 void
 428 screen_exit(void)
 429 {
 430         guint i;
 431
 432         endwin();
 433
 434         if (mode_fn->close != NULL)
 435                 mode_fn->close();
 436
 437         /* close and exit all screens (playlist,browse,help...) */
 438         for (i = 0; i < NUM_SCREENS; ++i) {
 439                 const struct screen_functions *sf = screens[i].functions;
 440
 441                 if (sf->exit)
 442                         sf->exit();
 443         }
 444
 445         string_list_free(screen.find_history);
 446         g_free(screen.buf);
 447         g_free(screen.findbuf);
 448 }
 449
 450 void
 451 screen_resize(void)
 452 {
 453         guint i;
 454
 455         D("Resize rows %d->%d, cols %d->%d\n",screen.rows,LINES,screen.cols,COLS);
 456         if (COLS<SCREEN_MIN_COLS || LINES<SCREEN_MIN_ROWS) {
 457                 screen_exit();
 458                 fprintf(stderr, _("Error: Screen to small!\n"));
 459                 exit(EXIT_FAILURE);
 460         }
 461
 462         resizeterm(LINES, COLS);
 463
 464         screen.cols = COLS;
 465         screen.rows = LINES;
 466
 467         /* top window */
 468         screen.top_window.cols = screen.cols;
 469         wresize(screen.top_window.w, 2, screen.cols);
 470
 471         /* main window */
 472         screen.main_window.cols = screen.cols;
 473         screen.main_window.rows = screen.rows-4;
 474         wresize(screen.main_window.w, screen.main_window.rows, screen.cols);
 475         wclear(screen.main_window.w);
 476
 477         /* progress window */
 478         screen.progress_window.cols = screen.cols;
 479         wresize(screen.progress_window.w, 1, screen.cols);
 480         mvwin(screen.progress_window.w, screen.rows-2, 0);
 481
 482         /* status window */
 483         screen.status_window.cols = screen.cols;
 484         wresize(screen.status_window.w, 1, screen.cols);
 485         mvwin(screen.status_window.w, screen.rows-1, 0);
 486
 487         screen.buf_size = screen.cols;
 488         g_free(screen.buf);
 489         screen.buf = g_malloc(screen.cols);
 490
 491         /* close and exit all screens (playlist,browse,help...) */
 492         for (i = 0; i < NUM_SCREENS; ++i) {
 493                 const struct screen_functions *sf = screens[i].functions;
 494
 495                 if (sf->resize)
 496                         sf->resize(screen.main_window.cols, screen.main_window.rows);
 497         }
 498
 499
 500         /* ? - without this the cursor becomes visible with aterm & Eterm */
 501         curs_set(1);
 502         curs_set(0);
 503
 504         screen.painted = 0;
 505 }
 506
 507 void
 508 screen_status_message(const char *msg)
 509 {
 510         WINDOW *w = screen.status_window.w;
 511
 512         wmove(w, 0, 0);
 513         wclrtoeol(w);
 514         colors_use(w, COLOR_STATUS_ALERT);
 515         waddstr(w, msg);
 516         wnoutrefresh(w);
 517         screen.status_timestamp = time(NULL);
 518 }
 519
 520 void
 521 screen_status_printf(const char *format, ...)
 522 {
 523         char *msg;
 524         va_list ap;
 525
 526         va_start(ap,format);
 527         msg = g_strdup_vprintf(format,ap);
 528         va_end(ap);
 529         screen_status_message(msg);
 530         g_free(msg);
 531 }
 532
 533 void
 534 ncurses_init(void)
 535 {
 536
 537         /* initialize the curses library */
 538         initscr();
 539         /* initialize color support */
 540         colors_start();
 541         /* tell curses not to do NL->CR/NL on output */
 542         nonl();
 543         /*  use raw mode (ignore interrupt,quit,suspend, and flow control ) */
 544 #ifdef ENABLE_RAW_MODE
 545         //  raw();
 546 #endif
 547         /* don't echo input */
 548         noecho();
 549         /* set cursor invisible */
 550         curs_set(0);
 551         /* enable extra keys */
 552         keypad(stdscr, TRUE);
 553         /* initialize mouse support */
 554 #ifdef HAVE_GETMOUSE
 555         if (options.enable_mouse)
 556                 mousemask(ALL_MOUSE_EVENTS, NULL);
 557 #endif
 558
 559         if (COLS < SCREEN_MIN_COLS || LINES < SCREEN_MIN_ROWS) {
 560                 fprintf(stderr, _("Error: Screen to small!\n"));
 561                 exit(EXIT_FAILURE);
 562         }
 563
 564         screen.mode = 0;
 565         screen.cols = COLS;
 566         screen.rows = LINES;
 567
 568         screen.buf  = g_malloc(screen.cols);
 569         screen.buf_size = screen.cols;
 570         screen.findbuf = NULL;
 571         screen.painted = 0;
 572         screen.start_timestamp = time(NULL);
 573         screen.input_timestamp = time(NULL);
 574         screen.last_cmd = CMD_NONE;
 575
 576         /* create top window */
 577         screen.top_window.rows = 2;
 578         screen.top_window.cols = screen.cols;
 579         screen.top_window.w = newwin(screen.top_window.rows,
 580                                       screen.top_window.cols,
 581                                       0, 0);
 582         leaveok(screen.top_window.w, TRUE);
 583         keypad(screen.top_window.w, TRUE);
 584
 585         /* create main window */
 586         screen.main_window.rows = screen.rows-4;
 587         screen.main_window.cols = screen.cols;
 588         screen.main_window.w = newwin(screen.main_window.rows,
 589                                        screen.main_window.cols,
 590                                        2,
 591                                        0);
 592
 593         //  leaveok(screen.main_window.w, TRUE); temporary disabled
 594         keypad(screen.main_window.w, TRUE);
 595
 596         /* create progress window */
 597         screen.progress_window.rows = 1;
 598         screen.progress_window.cols = screen.cols;
 599         screen.progress_window.w = newwin(screen.progress_window.rows,
 600                                            screen.progress_window.cols,
 601                                            screen.rows-2,
 602                                            0);
 603         leaveok(screen.progress_window.w, TRUE);
 604
 605         /* create status window */
 606         screen.status_window.rows = 1;
 607         screen.status_window.cols = screen.cols;
 608         screen.status_window.w = newwin(screen.status_window.rows,
 609                                          screen.status_window.cols,
 610                                          screen.rows-1,
 611                                          0);
 612
 613         leaveok(screen.status_window.w, FALSE);
 614         keypad(screen.status_window.w, TRUE);
 615
 616         if (options.enable_colors) {
 617                 /* set background attributes */
 618                 wbkgd(stdscr, COLOR_PAIR(COLOR_LIST));
 619                 wbkgd(screen.main_window.w,     COLOR_PAIR(COLOR_LIST));
 620                 wbkgd(screen.top_window.w,      COLOR_PAIR(COLOR_TITLE));
 621                 wbkgd(screen.progress_window.w, COLOR_PAIR(COLOR_PROGRESSBAR));
 622                 wbkgd(screen.status_window.w,   COLOR_PAIR(COLOR_STATUS));
 623                 colors_use(screen.progress_window.w, COLOR_PROGRESSBAR);
 624         }
 625
 626         refresh();
 627 }
 628
 629 void
 630 screen_init(mpdclient_t *c)
 631 {
 632         guint i;
 633
 634         /* initialize screens */
 635         for (i = 0; i < NUM_SCREENS; ++i) {
 636                 const struct screen_functions *fn = screens[i].functions;
 637
 638                 if (fn->init)
 639                         fn->init(screen.main_window.w,
 640                                  screen.main_window.cols,
 641                                  screen.main_window.rows);
 642         }
 643
 644         if (mode_fn->open != NULL)
 645                 mode_fn->open(&screen, c);
 646
 647         /* initialize wreadln */
 648         wrln_wgetch = my_wgetch;
 649         wrln_max_history_length = 16;
 650 }
 651
 652 void
 653 screen_paint(mpdclient_t *c)
 654 {
 655         const char *title = NULL;
 656
 657         if (mode_fn->get_title != NULL)
 658                 title = mode_fn->get_title(screen.buf, screen.buf_size);
 659
 660         D("screen_paint(%s)\n", title);
 661         /* paint the title/header window */
 662         if( title )
 663                 paint_top_window(title, c, 1);
 664         else
 665                 paint_top_window("", c, 1);
 666
 667         /* paint the main window */
 668         wclear(screen.main_window.w);
 669         if (mode_fn->paint != NULL)
 670                 mode_fn->paint(&screen, c);
 671
 672         paint_progress_window(c);
 673         paint_status_window(c);
 674         screen.painted = 1;
 675         wmove(screen.main_window.w, 0, 0);
 676         wnoutrefresh(screen.main_window.w);
 677
 678         /* tell curses to update */
 679         doupdate();
 680 }
 681
 682 void
 683 screen_update(mpdclient_t *c)
 684 {
 685         static int repeat = -1;
 686         static int random_enabled = -1;
 687         static int crossfade = -1;
 688         static int dbupdate = -1;
 689
 690         if( !screen.painted )
 691                 return screen_paint(c);
 692
 693         /* print a message if mpd status has changed */
 694         if (c->status != NULL) {
 695                 if (repeat < 0) {
 696                         repeat = c->status->repeat;
 697                         random_enabled = c->status->random;
 698                         crossfade = c->status->crossfade;
 699                         dbupdate = c->status->updatingDb;
 700                 }
 701
 702                 if (repeat != c->status->repeat)
 703                         screen_status_printf(c->status->repeat ?
 704                                              _("Repeat is on") :
 705                                              _("Repeat is off"));
 706
 707                 if (random_enabled != c->status->random)
 708                         screen_status_printf(c->status->random ?
 709                                              _("Random is on") :
 710                                              _("Random is off"));
 711
 712                 if (crossfade != c->status->crossfade)
 713                         screen_status_printf(_("Crossfade %d seconds"), c->status->crossfade);
 714
 715                 if (dbupdate && dbupdate != c->status->updatingDb) {
 716                         screen_status_printf(_("Database updated!"));
 717                         mpdclient_browse_callback(c, BROWSE_DB_UPDATED, NULL);
 718                 }
 719
 720                 repeat = c->status->repeat;
 721                 random_enabled = c->status->random;
 722                 crossfade = c->status->crossfade;
 723                 dbupdate = c->status->updatingDb;
 724         }
 725
 726         /* update title/header window */
 727         if (welcome && options.welcome_screen_list &&
 728             screen.last_cmd==CMD_NONE &&
 729             time(NULL)-screen.start_timestamp <= SCREEN_WELCOME_TIME)
 730                 paint_top_window("", c, 0);
 731         else if (mode_fn->get_title != NULL) {
 732                 paint_top_window(mode_fn->get_title(screen.buf,screen.buf_size), c, 0);
 733                 welcome = FALSE;
 734         } else
 735                 paint_top_window("", c, 0);
 736
 737         /* update the main window */
 738         if (mode_fn->update != NULL)
 739                 mode_fn->update(&screen, c);
 740
 741         /* update progress window */
 742         paint_progress_window(c);
 743
 744         /* update status window */
 745         paint_status_window(c);
 746
 747         /* move the cursor to the origin */
 748         wmove(screen.main_window.w, 0, 0);
 749         wnoutrefresh(screen.main_window.w);
 750
 751         /* tell curses to update */
 752         doupdate();
 753 }
 754
 755 void
 756 screen_idle(mpdclient_t *c)
 757 {
 758         if (c->song && seek_id == c->song->id &&
 759             (screen.last_cmd == CMD_SEEK_FORWARD ||
 760              screen.last_cmd == CMD_SEEK_BACKWARD))
 761                 mpdclient_cmd_seek(c, seek_id, seek_target_time);
 762
 763         screen.last_cmd = CMD_NONE;
 764         seek_id = -1;
 765 }
 766
 767 #ifdef HAVE_GETMOUSE
 768 int
 769 screen_get_mouse_event(mpdclient_t *c,
 770                        list_window_t *lw, int lw_length,
 771                        unsigned long *bstate, int *row)
 772 {
 773         MEVENT event;
 774
 775         /* retreive the mouse event from ncurses */
 776         getmouse(&event);
 777         D("mouse: id=%d  y=%d,x=%d,z=%d\n",event.id,event.y,event.x,event.z);
 778         /* calculate the selected row in the list window */
 779         *row = event.y - screen.top_window.rows;
 780         /* copy button state bits */
 781         *bstate = event.bstate;
 782         /* if button 2 was pressed switch screen */
 783         if (event.bstate & BUTTON2_CLICKED) {
 784                 screen_cmd(c, CMD_SCREEN_NEXT);
 785                 return 1;
 786         }
 787
 788         /* if the even occured above the list window move up */
 789         if (*row < 0 && lw) {
 790                 if (event.bstate & BUTTON3_CLICKED)
 791                         list_window_first(lw);
 792                 else
 793                         list_window_previous_page(lw);
 794                 return 1;
 795         }
 796
 797         /* if the even occured below the list window move down */
 798         if ((unsigned)*row >= lw->rows && lw) {
 799                 if (event.bstate & BUTTON3_CLICKED)
 800                         list_window_last(lw, lw_length);
 801                 else
 802                         list_window_next_page(lw, lw_length);
 803                 return 1;
 804         }
 805
 806         return 0;
 807 }
 808 #endif
 809
 810 static int
 811 screen_client_cmd(mpdclient_t *c, command_t cmd)
 812 {
 813         if (c->connection == NULL || c->status == NULL)
 814                 return 0;
 815
 816         switch(cmd) {
 817                 /*
 818         case CMD_PLAY:
 819                 mpdclient_cmd_play(c, MPD_PLAY_AT_BEGINNING);
 820                 break;
 821                 */
 822         case CMD_PAUSE:
 823                 mpdclient_cmd_pause(c, !IS_PAUSED(c->status->state));
 824                 break;
 825         case CMD_STOP:
 826                 mpdclient_cmd_stop(c);
 827                 break;
 828         case CMD_CROP:
 829                 mpdclient_cmd_crop(c);
 830                 break;
 831         case CMD_SEEK_FORWARD:
 832                 if (!IS_STOPPED(c->status->state)) {
 833                         if (c->song && seek_id != c->song->id) {
 834                                 seek_id = c->song->id;
 835                                 seek_target_time = c->status->elapsedTime;
 836                         }
 837                         seek_target_time+=options.seek_time;
 838                         if (seek_target_time < c->status->totalTime)
 839                                 break;
 840                         seek_target_time = c->status->totalTime;
 841                         /* seek_target_time=0; */
 842                 }
 843                 break;
 844                 /* fall through... */
 845         case CMD_TRACK_NEXT:
 846                 if (!IS_STOPPED(c->status->state))
 847                         mpdclient_cmd_next(c);
 848                 break;
 849         case CMD_SEEK_BACKWARD:
 850                 if (!IS_STOPPED(c->status->state)) {
 851                         if (seek_id != c->song->id) {
 852                                 seek_id = c->song->id;
 853                                 seek_target_time = c->status->elapsedTime;
 854                         }
 855                         seek_target_time-=options.seek_time;
 856                         if (seek_target_time < 0)
 857                                 seek_target_time=0;
 858                 }
 859                 break;
 860         case CMD_TRACK_PREVIOUS:
 861                 if (!IS_STOPPED(c->status->state))
 862                         mpdclient_cmd_prev(c);
 863                 break;
 864         case CMD_SHUFFLE:
 865                 if (mpdclient_cmd_shuffle(c) == 0)
 866                         screen_status_message(_("Shuffled playlist!"));
 867                 break;
 868         case CMD_CLEAR:
 869                 if (mpdclient_cmd_clear(c) == 0)
 870                         screen_status_message(_("Cleared playlist!"));
 871                 break;
 872         case CMD_REPEAT:
 873                 mpdclient_cmd_repeat(c, !c->status->repeat);
 874                 break;
 875         case CMD_RANDOM:
 876                 mpdclient_cmd_random(c, !c->status->random);
 877                 break;
 878         case CMD_CROSSFADE:
 879                 if (c->status->crossfade)
 880                         mpdclient_cmd_crossfade(c, 0);
 881                 else
 882                         mpdclient_cmd_crossfade(c, options.crossfade_time);
 883                 break;
 884         case CMD_DB_UPDATE:
 885                 if (!c->status->updatingDb) {
 886                         if( mpdclient_cmd_db_update_utf8(c,NULL)==0 )
 887                                 screen_status_printf(_("Database update started!"));
 888                 } else
 889                         screen_status_printf(_("Database update running..."));
 890                 break;
 891         case CMD_VOLUME_UP:
 892                 if( c->status->volume!=MPD_STATUS_NO_VOLUME && c->status->volume<100 )
 893                         mpdclient_cmd_volume(c, ++c->status->volume);
 894                 break;
 895         case CMD_VOLUME_DOWN:
 896                 if( c->status->volume!=MPD_STATUS_NO_VOLUME && c->status->volume>0 )
 897                         mpdclient_cmd_volume(c, --c->status->volume);
 898                 break;
 899
 900         default:
 901                 return 0;
 902         }
 903
 904         return 1;
 905 }
 906
 907 void
 908 screen_cmd(mpdclient_t *c, command_t cmd)
 909 {
 910         screen.input_timestamp = time(NULL);
 911         screen.last_cmd = cmd;
 912         welcome = FALSE;
 913
 914         if (mode_fn->cmd != NULL && mode_fn->cmd(&screen, c, cmd))
 915                 return;
 916
 917         if (screen_client_cmd(c, cmd))
 918                 return;
 919
 920         switch(cmd) {
 921         case CMD_TOGGLE_FIND_WRAP:
 922                 options.find_wrap = !options.find_wrap;
 923                 screen_status_printf(options.find_wrap ?
 924                                      _("Find mode: Wrapped") :
 925                                      _("Find mode: Normal"));
 926                 break;
 927         case CMD_TOGGLE_AUTOCENTER:
 928                 options.auto_center = !options.auto_center;
 929                 screen_status_printf(options.auto_center ?
 930                                      _("Auto center mode: On") :
 931                                      _("Auto center mode: Off"));
 932                 break;
 933         case CMD_SCREEN_UPDATE:
 934                 screen.painted = 0;
 935                 break;
 936         case CMD_SCREEN_PREVIOUS:
 937                 screen_next_mode(c, -1);
 938                 break;
 939         case CMD_SCREEN_NEXT:
 940                 screen_next_mode(c, 1);
 941                 break;
 942         case CMD_SCREEN_PLAY:
 943                 switch_screen_mode(SCREEN_PLAYLIST_ID, c);
 944                 break;
 945         case CMD_SCREEN_FILE:
 946                 switch_screen_mode(SCREEN_BROWSE_ID, c);
 947                 break;
 948         case CMD_SCREEN_HELP:
 949                 switch_screen_mode(SCREEN_HELP_ID, c);
 950                 break;
 951         case CMD_SCREEN_SEARCH:
 952                 switch_screen_mode(SCREEN_SEARCH_ID, c);
 953                 break;
 954         case CMD_SCREEN_ARTIST:
 955                 switch_screen_mode(SCREEN_ARTIST_ID, c);
 956                 break;
 957         case CMD_SCREEN_KEYDEF:
 958                 switch_screen_mode(SCREEN_KEYDEF_ID, c);
 959                 break;
 960         case CMD_SCREEN_LYRICS:
 961                 switch_screen_mode(SCREEN_LYRICS_ID, c);
 962                 break;
 963         default:
 964                 break;
 965         }
 966 }