/* * $Id$ * * (c) 2004 by Kalle Wallin * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ #include #include #include #include #include #include #include #include #include "config.h" #include "ncmpc.h" #include "support.h" #include "mpdclient.h" #include "utils.h" #include "command.h" #include "options.h" #include "colors.h" #include "strfsong.h" #include "wreadln.h" #include "screen.h" #include "screen_utils.h" #define MAX_SONGNAME_LENGTH 512 #define SCREEN_PLAYLIST_ID 0 #define SCREEN_BROWSE_ID 1 #define SCREEN_HELP_ID 100 #define SCREEN_KEYDEF_ID 101 #define SCREEN_CLOCK_ID 102 /* screens */ extern screen_functions_t *get_screen_playlist(void); extern screen_functions_t *get_screen_browse(void); extern screen_functions_t *get_screen_help(void); extern screen_functions_t *get_screen_keydef(void); extern screen_functions_t *get_screen_clock(void); typedef screen_functions_t * (*screen_get_mode_functions_fn_t) (void); typedef struct { gint id; gchar *name; screen_get_mode_functions_fn_t get_mode_functions; } screen_mode_info_t; static screen_mode_info_t screens[] = { { SCREEN_PLAYLIST_ID, "playlist", get_screen_playlist }, { SCREEN_BROWSE_ID, "browse", get_screen_browse }, { SCREEN_HELP_ID, "help", get_screen_help }, #ifdef ENABLE_KEYDEF_SCREEN { SCREEN_KEYDEF_ID, "keydef", get_screen_keydef }, #endif #ifdef ENABLE_CLOCK_SCREEN { SCREEN_CLOCK_ID, "clock", get_screen_clock }, #endif { G_MAXINT, NULL, NULL } }; static gboolean welcome = TRUE; static screen_t *screen = NULL; static screen_functions_t *mode_fn = NULL; static int seek_id = -1; static int seek_target_time = 0; static gint lookup_mode(gint id) { gint i=0; while( screens[i].name ) { if( screens[i].id == id ) return i; i++; } return -1; } static void switch_screen_mode(gint id, mpdclient_t *c) { gint new_mode; if( id == screens[screen->mode].id ) return; /* close the old mode */ if( mode_fn && mode_fn->close ) mode_fn->close(); /* get functions for the new mode */ new_mode = lookup_mode(id); if( new_mode>=0 && screens[new_mode].get_mode_functions ) { D("switch_screen(%s)\n", screens[new_mode].name ); mode_fn = screens[new_mode].get_mode_functions(); screen->mode = new_mode; } screen->painted = 0; /* open the new mode */ if( mode_fn && mode_fn->open ) mode_fn->open(screen, c); } static void paint_top_window(char *header, mpdclient_t *c, int clear) { char flags[5]; static int prev_volume = -1; static int prev_header_len = -1; WINDOW *w = screen->top_window.w; if(prev_header_len!=strlen(header)) { prev_header_len = strlen(header); clear = 1; } if(clear) { wmove(w, 0, 0); wclrtoeol(w); } if(prev_volume!=c->status->volume || clear) { char buf[32]; if( header[0] ) { colors_use(w, COLOR_TITLE_BOLD); mvwaddstr(w, 0, 0, header); } else { colors_use(w, COLOR_TITLE_BOLD); waddstr(w, get_key_names(CMD_SCREEN_HELP, FALSE)); colors_use(w, COLOR_TITLE); waddstr(w, _(":Help ")); colors_use(w, COLOR_TITLE_BOLD); waddstr(w, get_key_names(CMD_SCREEN_PLAY, FALSE)); colors_use(w, COLOR_TITLE); waddstr(w, _(":Playlist ")); colors_use(w, COLOR_TITLE_BOLD); waddstr(w, get_key_names(CMD_SCREEN_FILE, FALSE)); colors_use(w, COLOR_TITLE); waddstr(w, _(":Browse")); } if( c->status->volume==MPD_STATUS_NO_VOLUME ) { g_snprintf(buf, 32, _("Volume n/a ")); } else { g_snprintf(buf, 32, _(" Volume %d%%"), c->status->volume); } colors_use(w, COLOR_TITLE); mvwaddstr(w, 0, screen->top_window.cols-strlen(buf), buf); flags[0] = 0; if( c->status->repeat ) g_strlcat(flags, "r", sizeof(flags)); if( c->status->random ) g_strlcat(flags, "z", sizeof(flags));; if( c->status->crossfade ) g_strlcat(flags, "x", sizeof(flags)); if( c->status->updatingDb ) g_strlcat(flags, "U", sizeof(flags)); colors_use(w, COLOR_LINE); mvwhline(w, 1, 0, ACS_HLINE, screen->top_window.cols); if( flags[0] ) { wmove(w,1,screen->top_window.cols-strlen(flags)-3); waddch(w, '['); colors_use(w, COLOR_LINE_BOLD); waddstr(w, flags); colors_use(w, COLOR_LINE); waddch(w, ']'); } wnoutrefresh(w); } } static void paint_progress_window(mpdclient_t *c) { double p; int width; int elapsedTime = c->status->elapsedTime; if( c->status==NULL || IS_STOPPED(c->status->state) ) { mvwhline(screen->progress_window.w, 0, 0, ACS_HLINE, screen->progress_window.cols); wnoutrefresh(screen->progress_window.w); return; } if( c->song && seek_id == c->song->id ) elapsedTime = seek_target_time; p = ((double) elapsedTime) / ((double) c->status->totalTime); width = (int) (p * (double) screen->progress_window.cols); mvwhline(screen->progress_window.w, 0, 0, ACS_HLINE, screen->progress_window.cols); whline(screen->progress_window.w, '=', width-1); mvwaddch(screen->progress_window.w, 0, width-1, 'O'); wnoutrefresh(screen->progress_window.w); } static void paint_status_window(mpdclient_t *c) { WINDOW *w = screen->status_window.w; mpd_Status *status = c->status; mpd_Song *song = c->song; int elapsedTime = c->status->elapsedTime; char *str = NULL; int x = 0; if( time(NULL) - screen->status_timestamp <= SCREEN_STATUS_MESSAGE_TIME ) return; wmove(w, 0, 0); wclrtoeol(w); colors_use(w, COLOR_STATUS_BOLD); switch(status->state) { case MPD_STATUS_STATE_PLAY: str = _("Playing:"); break; case MPD_STATUS_STATE_PAUSE: str = _("[Paused]"); break; case MPD_STATUS_STATE_STOP: default: break; } if( str ) { waddstr(w, str); x += strlen(str)+1; } /* create time string */ memset(screen->buf, 0, screen->buf_size); if( IS_PLAYING(status->state) || IS_PAUSED(status->state) ) { if( status->totalTime > 0 ) { if( c->song && seek_id == c->song->id ) elapsedTime = seek_target_time; g_snprintf(screen->buf, screen->buf_size, " [%i:%02i/%i:%02i]", elapsedTime/60, elapsedTime%60, status->totalTime/60, status->totalTime%60 ); } else { g_snprintf(screen->buf, screen->buf_size, " [%d kbps]", status->bitRate ); } } else { time_t timep; time(&timep); strftime(screen->buf, screen->buf_size, "%X ",localtime(&timep)); } /* display song */ if( (IS_PLAYING(status->state) || IS_PAUSED(status->state)) ) { char songname[MAX_SONGNAME_LENGTH]; int width = COLS-x-strlen(screen->buf); if( song ) strfsong(songname, MAX_SONGNAME_LENGTH, STATUS_FORMAT, song); else songname[0] = '\0'; colors_use(w, COLOR_STATUS); /* scroll if the song name is to long */ if( strlen(songname) > width ) { static scroll_state_t st = { 0, 0 }; char *tmp = strscroll(songname, " *** ", width, &st); g_strlcpy(songname, tmp, MAX_SONGNAME_LENGTH); g_free(tmp); } mvwaddnstr(w, 0, x, songname, width); } /* display time string */ if( screen->buf[0] ) { x = screen->status_window.cols - strlen(screen->buf); colors_use(w, COLOR_STATUS_TIME); mvwaddstr(w, 0, x, screen->buf); } wnoutrefresh(w); } int screen_exit(void) { endwin(); if( screen ) { gint i; /* close and exit all screens (playlist,browse,help...) */ i=0; while( screens[i].get_mode_functions ) { screen_functions_t *mode_fn = screens[i].get_mode_functions(); if( mode_fn && mode_fn->close ) mode_fn->close(); if( mode_fn && mode_fn->exit ) mode_fn->exit(); i++; } string_list_free(screen->find_history); g_free(screen->buf); g_free(screen->findbuf); g_free(screen); screen = NULL; } return 0; } void screen_resize(void) { gint i; D("Resize rows %d->%d, cols %d->%d\n",screen->rows,LINES,screen->cols,COLS); if( COLScols = COLS; screen->rows = LINES; /* top window */ screen->top_window.cols = screen->cols; wresize(screen->top_window.w, 2, screen->cols); /* main window */ screen->main_window.cols = screen->cols; screen->main_window.rows = screen->rows-4; wresize(screen->main_window.w, screen->main_window.rows, screen->cols); wclear(screen->main_window.w); /* progress window */ screen->progress_window.cols = screen->cols; wresize(screen->progress_window.w, 1, screen->cols); mvwin(screen->progress_window.w, screen->rows-2, 0); /* status window */ screen->status_window.cols = screen->cols; wresize(screen->status_window.w, 1, screen->cols); mvwin(screen->status_window.w, screen->rows-1, 0); screen->buf_size = screen->cols; g_free(screen->buf); screen->buf = g_malloc(screen->cols); /* close and exit all screens (playlist,browse,help...) */ i=0; while( screens[i].get_mode_functions ) { screen_functions_t *mode_fn = screens[i].get_mode_functions(); if( mode_fn && mode_fn->resize ) mode_fn->resize(screen->main_window.cols, screen->main_window.rows); i++; } /* ? - without this the cursor becomes visible with aterm & Eterm */ curs_set(1); curs_set(0); screen->painted = 0; } void screen_status_message(char *msg) { WINDOW *w = screen->status_window.w; wmove(w, 0, 0); wclrtoeol(w); colors_use(w, COLOR_STATUS_ALERT); waddstr(w, msg); wnoutrefresh(w); screen->status_timestamp = time(NULL); } void screen_status_printf(char *format, ...) { char *msg; va_list ap; va_start(ap,format); msg = g_strdup_vprintf(format,ap); va_end(ap); screen_status_message(msg); g_free(msg); } int screen_init(mpdclient_t *c) { gint i; /* initialize the curses library */ initscr(); /* initialize color support */ colors_start(); /* tell curses not to do NL->CR/NL on output */ nonl(); /* use raw mode (ignore interrupt,quit,suspend, and flow control ) */ #ifdef ENABLE_RAW_MODE raw(); #endif /* don't echo input */ noecho(); /* set cursor invisible */ curs_set(0); /* enable extra keys */ keypad(stdscr, TRUE); /* return from getch() without blocking */ timeout(SCREEN_TIMEOUT); /* initialize mouse support */ #ifdef HAVE_GETMOUSE if( options.enable_mouse ) mousemask(ALL_MOUSE_EVENTS, NULL); #endif if( COLSmode = 0; screen->cols = COLS; screen->rows = LINES; screen->buf = g_malloc(screen->cols); screen->buf_size = screen->cols; screen->findbuf = NULL; screen->painted = 0; screen->start_timestamp = time(NULL); screen->input_timestamp = time(NULL); screen->last_cmd = CMD_NONE; /* create top window */ screen->top_window.rows = 2; screen->top_window.cols = screen->cols; screen->top_window.w = newwin(screen->top_window.rows, screen->top_window.cols, 0, 0); leaveok(screen->top_window.w, TRUE); keypad(screen->top_window.w, TRUE); /* create main window */ screen->main_window.rows = screen->rows-4; screen->main_window.cols = screen->cols; screen->main_window.w = newwin(screen->main_window.rows, screen->main_window.cols, 2, 0); // leaveok(screen->main_window.w, TRUE); temporary disabled keypad(screen->main_window.w, TRUE); /* create progress window */ screen->progress_window.rows = 1; screen->progress_window.cols = screen->cols; screen->progress_window.w = newwin(screen->progress_window.rows, screen->progress_window.cols, screen->rows-2, 0); leaveok(screen->progress_window.w, TRUE); /* create status window */ screen->status_window.rows = 1; screen->status_window.cols = screen->cols; screen->status_window.w = newwin(screen->status_window.rows, screen->status_window.cols, screen->rows-1, 0); leaveok(screen->status_window.w, FALSE); keypad(screen->status_window.w, TRUE); if( options.enable_colors ) { /* set background attributes */ wbkgd(stdscr, COLOR_PAIR(COLOR_LIST)); wbkgd(screen->main_window.w, COLOR_PAIR(COLOR_LIST)); wbkgd(screen->top_window.w, COLOR_PAIR(COLOR_TITLE)); wbkgd(screen->progress_window.w, COLOR_PAIR(COLOR_PROGRESSBAR)); wbkgd(screen->status_window.w, COLOR_PAIR(COLOR_STATUS)); colors_use(screen->progress_window.w, COLOR_PROGRESSBAR); } /* initialize screens */ i=0; while( screens[i].get_mode_functions ) { screen_functions_t *fn = screens[i].get_mode_functions(); if( fn && fn->init ) fn->init(screen->main_window.w, screen->main_window.cols, screen->main_window.rows); i++; } mode_fn = get_screen_playlist(); if( mode_fn && mode_fn->open ) mode_fn->open(screen, c); /* initialize wreadln */ wrln_wgetch = my_wgetch; wrln_max_history_length = 16; return 0; } void screen_paint(mpdclient_t *c) { char *title = NULL; if( mode_fn && mode_fn->get_title ) title = mode_fn->get_title(screen->buf,screen->buf_size); D("screen_paint(%s)\n", title); /* paint the title/header window */ if( title ) paint_top_window(title, c, 1); else paint_top_window("", c, 1); /* paint the main window */ wclear(screen->main_window.w); if( mode_fn && mode_fn->paint ) mode_fn->paint(screen, c); paint_progress_window(c); paint_status_window(c); screen->painted = 1; wmove(screen->main_window.w, 0, 0); wnoutrefresh(screen->main_window.w); /* tell curses to update */ doupdate(); } void screen_update(mpdclient_t *c) { static int repeat = -1; static int random = -1; static int crossfade = -1; static int dbupdate = -1; list_window_t *lw = NULL; if( !screen->painted ) return screen_paint(c); /* print a message if mpd status has changed */ if( repeat<0 ) { repeat = c->status->repeat; random = c->status->random; crossfade = c->status->crossfade; dbupdate = c->status->updatingDb; } if( repeat != c->status->repeat ) screen_status_printf(c->status->repeat ? _("Repeat is on") : _("Repeat is off")); if( random != c->status->random ) screen_status_printf(c->status->random ? _("Random is on") : _("Random is off")); if( crossfade != c->status->crossfade ) screen_status_printf(_("Crossfade %d seconds"), c->status->crossfade); if( dbupdate && dbupdate != c->status->updatingDb ) { screen_status_printf(_("Database updated!")); mpdclient_browse_callback(c, BROWSE_DB_UPDATED, NULL); } repeat = c->status->repeat; random = c->status->random; crossfade = c->status->crossfade; dbupdate = c->status->updatingDb; /* update title/header window */ if( welcome && screen->last_cmd==CMD_NONE && time(NULL)-screen->start_timestamp <= SCREEN_WELCOME_TIME) paint_top_window("", c, 0); else if( mode_fn && mode_fn->get_title ) { paint_top_window(mode_fn->get_title(screen->buf,screen->buf_size), c, 0); welcome = FALSE; } else paint_top_window("", c, 0); /* update the main window */ if( mode_fn && mode_fn->paint ) mode_fn->update(screen, c); if( mode_fn && mode_fn->get_lw ) lw = mode_fn->get_lw(); /* update progress window */ paint_progress_window(c); /* update status window */ paint_status_window(c); /* move the cursor to the selected row in the main window */ if( lw ) wmove(screen->main_window.w, LW_ROW(lw), 0); else wmove(screen->main_window.w, 0, 0); wnoutrefresh(screen->main_window.w); /* tell curses to update */ doupdate(); } void screen_idle(mpdclient_t *c) { if( c->song && seek_id == c->song->id && (screen->last_cmd == CMD_SEEK_FORWARD || screen->last_cmd == CMD_SEEK_BACKWARD) ) { mpdclient_cmd_seek(c, seek_id, seek_target_time); } screen->last_cmd = CMD_NONE; seek_id = -1; } #ifdef HAVE_GETMOUSE int screen_get_mouse_event(mpdclient_t *c, list_window_t *lw, int lw_length, unsigned long *bstate, int *row) { MEVENT event; /* retreive the mouse event from ncurses */ getmouse(&event); D("mouse: id=%d y=%d,x=%d,z=%d\n",event.id,event.y,event.x,event.z); /* calculate the selected row in the list window */ *row = event.y - screen->top_window.rows; /* copy button state bits */ *bstate = event.bstate; /* if button 2 was pressed switch screen */ if( event.bstate & BUTTON2_CLICKED ) { screen_cmd(c, CMD_SCREEN_NEXT); return 1; } /* if the even occured above the list window move up */ if( *row<0 && lw ) { if( event.bstate & BUTTON3_CLICKED ) list_window_first(lw); else list_window_previous_page(lw); return 1; } /* if the even occured below the list window move down */ if( *row>=lw->rows && lw ) { if( event.bstate & BUTTON3_CLICKED ) list_window_last(lw, lw_length); else list_window_next_page(lw, lw_length); return 1; } return 0; } #endif void screen_cmd(mpdclient_t *c, command_t cmd) { screen->input_timestamp = time(NULL); screen->last_cmd = cmd; welcome = FALSE; if( mode_fn && mode_fn->cmd && mode_fn->cmd(screen, c, cmd) ) return; switch(cmd) { case CMD_PLAY: mpdclient_cmd_play(c, MPD_PLAY_AT_BEGINNING); break; case CMD_PAUSE: mpdclient_cmd_pause(c, !IS_PAUSED(c->status->state)); break; case CMD_STOP: mpdclient_cmd_stop(c); break; case CMD_SEEK_FORWARD: if( !IS_STOPPED(c->status->state) ) { if( c->song && seek_id != c->song->id ) { seek_id = c->song->id; seek_target_time = c->status->elapsedTime; } seek_target_time++; if( seek_target_time < c->status->totalTime ) break; seek_target_time = c->status->totalTime; /* seek_target_time=0; */ } break; /* fall through... */ case CMD_TRACK_NEXT: if( !IS_STOPPED(c->status->state) ) mpdclient_cmd_next(c); break; case CMD_SEEK_BACKWARD: if( !IS_STOPPED(c->status->state) ) { if( seek_id != c->song->id ) { seek_id = c->song->id; seek_target_time = c->status->elapsedTime; } seek_target_time--; if( seek_target_time < 0 ) seek_target_time=0; } break; case CMD_TRACK_PREVIOUS: if( !IS_STOPPED(c->status->state) ) mpdclient_cmd_prev(c); break; case CMD_SHUFFLE: if( mpdclient_cmd_shuffle(c) == 0 ) screen_status_message(_("Shuffled playlist!")); break; case CMD_CLEAR: if( mpdclient_cmd_clear(c) == 0 ) screen_status_message(_("Cleared playlist!")); break; case CMD_REPEAT: mpdclient_cmd_repeat(c, !c->status->repeat); break; case CMD_RANDOM: mpdclient_cmd_random(c, !c->status->random); break; case CMD_CROSSFADE: if( c->status->crossfade ) mpdclient_cmd_crossfade(c, 0); else mpdclient_cmd_crossfade(c, options.crossfade_time); break; case CMD_DB_UPDATE: if( !c->status->updatingDb ) { if( mpdclient_cmd_db_update_utf8(c,NULL)==0 ) screen_status_printf(_("Database update started!")); } else screen_status_printf(_("Database update running...")); break; case CMD_VOLUME_UP: if( c->status->volume!=MPD_STATUS_NO_VOLUME && c->status->volume<100 ) mpdclient_cmd_volume(c, ++c->status->volume); break; case CMD_VOLUME_DOWN: if( c->status->volume!=MPD_STATUS_NO_VOLUME && c->status->volume>0 ) mpdclient_cmd_volume(c, --c->status->volume); break; case CMD_TOGGLE_FIND_WRAP: options.find_wrap = !options.find_wrap; screen_status_printf(options.find_wrap ? _("Find mode: Wrapped") : _("Find mode: Normal")); break; case CMD_TOGGLE_AUTOCENTER: options.auto_center = !options.auto_center; screen_status_printf(options.auto_center ? _("Auto center mode: On") : _("Auto center mode: Off")); break; case CMD_SCREEN_UPDATE: screen->painted = 0; break; case CMD_SCREEN_PREVIOUS: if( screen->mode > 0 ) switch_screen_mode(screens[screen->mode-1].id, c); else switch_screen_mode(lookup_mode(SCREEN_HELP_ID)-1, c); break; case CMD_SCREEN_NEXT: if( screens[screen->mode+1].id < SCREEN_HELP_ID ) switch_screen_mode(screens[screen->mode+1].id, c); else switch_screen_mode(screens[0].id, c); break; case CMD_SCREEN_PLAY: switch_screen_mode(SCREEN_PLAYLIST_ID, c); break; case CMD_SCREEN_FILE: switch_screen_mode(SCREEN_BROWSE_ID, c); break; case CMD_SCREEN_HELP: switch_screen_mode(SCREEN_HELP_ID, c); break; case CMD_SCREEN_KEYDEF: switch_screen_mode(SCREEN_KEYDEF_ID, c); break; case CMD_SCREEN_CLOCK: switch_screen_mode(SCREEN_CLOCK_ID, c); break; case CMD_QUIT: exit(EXIT_SUCCESS); default: break; } }