src/status_bar.c

   1 /* ncmpc (Ncurses MPD Client)
   2  * (c) 2004-2009 The Music Player Daemon Project
   3  * Project homepage: http://musicpd.org
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  */
  19
  20 #include "status_bar.h"
  21 #include "options.h"
  22 #include "colors.h"
  23 #include "i18n.h"
  24 #include "charset.h"
  25 #include "strfsong.h"
  26 #include "player_command.h"
  27 #include "utils.h"
  28
  29 #include <mpd/client.h>
  30
  31 #include <assert.h>
  32 #include <string.h>
  33
  34 void
  35 status_bar_init(struct status_bar *p, unsigned width, int y, int x)
  36 {
  37         window_init(&p->window, 1, width, y, x);
  38
  39         leaveok(p->window.w, false);
  40         keypad(p->window.w, true);
  41
  42         p->message_source_id = 0;
  43
  44 #ifndef NCMPC_MINI
  45         if (options.scroll)
  46                 hscroll_init(&p->hscroll, p->window.w, options.scroll_sep);
  47
  48         p->prev_status = NULL;
  49         p->prev_song = NULL;
  50 #endif
  51 }
  52
  53 void
  54 status_bar_deinit(struct status_bar *p)
  55 {
  56         delwin(p->window.w);
  57
  58 #ifndef NCMPC_MINI
  59         if (options.scroll)
  60                 hscroll_clear(&p->hscroll);
  61 #endif
  62 }
  63
  64 static gboolean
  65 status_bar_clear_message(gpointer data)
  66 {
  67         struct status_bar *p = data;
  68         WINDOW *w = p->window.w;
  69
  70         assert(p != NULL);
  71         assert(p->message_source_id != 0);
  72
  73         p->message_source_id = 0;
  74
  75         wmove(w, 0, 0);
  76         wclrtoeol(w);
  77         wrefresh(w);
  78
  79         return false;
  80 }
  81
  82 #ifndef NCMPC_MINI
  83
  84 static void
  85 format_bitrate(char *p, size_t max_length, const struct mpd_status *status)
  86 {
  87         if (options.visible_bitrate && mpd_status_get_kbit_rate(status) > 0)
  88                 g_snprintf(p, max_length,
  89                            " [%d kbps]",
  90                            mpd_status_get_kbit_rate(status));
  91         else
  92                 p[0] = '\0';
  93 }
  94
  95 #endif /* !NCMPC_MINI */
  96
  97 void
  98 status_bar_paint(struct status_bar *p, const struct mpd_status *status,
  99                  const struct mpd_song *song)
 100 {
 101         WINDOW *w = p->window.w;
 102         enum mpd_state state;
 103         int elapsedTime = 0;
 104         const char *str = NULL;
 105         int x = 0;
 106         char buffer[p->window.cols * 4 + 1];
 107
 108 #ifndef NCMPC_MINI
 109         p->prev_status = status;
 110         p->prev_song = song;
 111 #endif
 112
 113         if (p->message_source_id != 0)
 114                 return;
 115
 116         wmove(w, 0, 0);
 117         wclrtoeol(w);
 118         colors_use(w, COLOR_STATUS_BOLD);
 119
 120         state = status == NULL ? MPD_STATE_UNKNOWN
 121                 : mpd_status_get_state(status);
 122
 123         switch (state) {
 124         case MPD_STATE_PLAY:
 125                 str = _("Playing:");
 126                 break;
 127         case MPD_STATE_PAUSE:
 128                 str = _("[Paused]");
 129                 break;
 130         case MPD_STATE_STOP:
 131         default:
 132                 break;
 133         }
 134
 135         if (str) {
 136                 waddstr(w, str);
 137                 x += utf8_width(str) + 1;
 138         }
 139
 140         /* create time string */
 141         if (state == MPD_STATE_PLAY || state == MPD_STATE_PAUSE) {
 142                 int total_time = mpd_status_get_total_time(status);
 143                 if (total_time > 0) {
 144 #ifdef NCMPC_MINI
 145                         static const char bitrate[1];
 146 #else
 147                         char bitrate[16];
 148 #endif
 149                         char elapsed_string[32], duration_string[32];
 150
 151                         /*checks the conf to see whether to display elapsed or remaining time */
 152                         if (seek_id >= 0 &&
 153                             seek_id == mpd_status_get_song_id(status))
 154                                 elapsedTime = seek_target_time;
 155                         else
 156                                 elapsedTime = mpd_status_get_elapsed_time(status);
 157
 158                         if (options.display_remaining_time)
 159                                 elapsedTime = elapsedTime < total_time
 160                                         ? total_time - elapsedTime
 161                                         : 0;
 162
 163                         /* display bitrate if visible-bitrate is true */
 164 #ifndef NCMPC_MINI
 165                         format_bitrate(bitrate, sizeof(bitrate), status);
 166 #endif
 167
 168                         /* write out the time */
 169                         format_duration_short(elapsed_string,
 170                                               sizeof(elapsed_string),
 171                                               elapsedTime);
 172                         format_duration_short(duration_string,
 173                                               sizeof(duration_string),
 174                                               total_time);
 175
 176                         g_snprintf(buffer, sizeof(buffer), "%s [%s/%s]",
 177                                    bitrate, elapsed_string, duration_string);
 178 #ifndef NCMPC_MINI
 179                 } else {
 180                         format_bitrate(buffer, sizeof(buffer), status);
 181 #else
 182                         buffer[0] = 0;
 183 #endif
 184                 }
 185         } else {
 186 #ifndef NCMPC_MINI
 187                 if (options.display_time) {
 188                         time_t timep;
 189
 190                         time(&timep);
 191                         strftime(buffer, sizeof(buffer), "%X ",localtime(&timep));
 192                 } else
 193 #endif
 194                         buffer[0] = 0;
 195         }
 196
 197         /* display song */
 198         if (state == MPD_STATE_PLAY || state == MPD_STATE_PAUSE) {
 199                 char songname[p->window.cols * 4 + 1];
 200 #ifndef NCMPC_MINI
 201                 int width = COLS - x - utf8_width(buffer);
 202 #endif
 203
 204                 if (song)
 205                         strfsong(songname, sizeof(songname),
 206                                  options.status_format, song);
 207                 else
 208                         songname[0] = '\0';
 209
 210                 colors_use(w, COLOR_STATUS);
 211                 /* scroll if the song name is to long */
 212 #ifndef NCMPC_MINI
 213                 if (options.scroll && utf8_width(songname) > (unsigned)width) {
 214                         hscroll_set(&p->hscroll, x, 0, width, songname);
 215                         hscroll_draw(&p->hscroll);
 216                 } else {
 217                         if (options.scroll)
 218                                 hscroll_clear(&p->hscroll);
 219                         mvwaddstr(w, 0, x, songname);
 220                 }
 221 #else
 222                 mvwaddstr(w, 0, x, songname);
 223 #endif
 224 #ifndef NCMPC_MINI
 225         } else if (options.scroll) {
 226                 hscroll_clear(&p->hscroll);
 227 #endif
 228         }
 229
 230         /* display time string */
 231         if (buffer[0] != 0) {
 232                 x = p->window.cols - strlen(buffer);
 233                 colors_use(w, COLOR_STATUS_TIME);
 234                 mvwaddstr(w, 0, x, buffer);
 235         }
 236
 237         wnoutrefresh(w);
 238 }
 239
 240 void
 241 status_bar_resize(struct status_bar *p, unsigned width, int y, int x)
 242 {
 243         p->window.cols = width;
 244         wresize(p->window.w, 1, width);
 245         mvwin(p->window.w, y, x);
 246 }
 247
 248 void
 249 status_bar_message(struct status_bar *p, const char *msg)
 250 {
 251         WINDOW *w = p->window.w;
 252
 253 #ifndef NCMPC_MINI
 254         if (options.scroll)
 255                 hscroll_clear(&p->hscroll);
 256 #endif
 257
 258         wmove(w, 0, 0);
 259         wclrtoeol(w);
 260         colors_use(w, COLOR_STATUS_ALERT);
 261         waddstr(w, msg);
 262         wnoutrefresh(w);
 263
 264         if (p->message_source_id != 0)
 265                 g_source_remove(p->message_source_id);
 266         p->message_source_id = g_timeout_add(options.status_message_time * 1000,
 267                                              status_bar_clear_message, p);
 268 }