src/status_bar.c

   1 /* ncmpc (Ncurses MPD Client)
   2  * (c) 2004-2010 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         const char *str = NULL;
 104         int x = 0;
 105         char buffer[p->window.cols * 4 + 1];
 106
 107 #ifndef NCMPC_MINI
 108         p->prev_status = status;
 109         p->prev_song = song;
 110 #endif
 111
 112         if (p->message_source_id != 0)
 113                 return;
 114
 115         wmove(w, 0, 0);
 116         wclrtoeol(w);
 117         colors_use(w, COLOR_STATUS_BOLD);
 118
 119         state = status == NULL ? MPD_STATE_UNKNOWN
 120                 : mpd_status_get_state(status);
 121
 122         switch (state) {
 123         case MPD_STATE_PLAY:
 124                 str = _("Playing:");
 125                 break;
 126         case MPD_STATE_PAUSE:
 127                 str = _("[Paused]");
 128                 break;
 129         case MPD_STATE_STOP:
 130         default:
 131                 break;
 132         }
 133
 134         if (str) {
 135                 waddstr(w, str);
 136                 x += utf8_width(str) + 1;
 137         }
 138
 139         /* create time string */
 140         if (state == MPD_STATE_PLAY || state == MPD_STATE_PAUSE) {
 141                 int elapsedTime = seek_id >= 0 &&
 142                         seek_id == mpd_status_get_song_id(status)
 143                         ? (unsigned)seek_target_time
 144                         : mpd_status_get_elapsed_time(status);
 145                 int total_time = mpd_status_get_total_time(status);
 146                 if (elapsedTime > 0 || total_time > 0) {
 147 #ifdef NCMPC_MINI
 148                         static const char bitrate[1];
 149 #else
 150                         char bitrate[16];
 151 #endif
 152                         char elapsed_string[32], duration_string[32];
 153
 154                         /*checks the conf to see whether to display elapsed or remaining time */
 155                         if (options.display_remaining_time)
 156                                 elapsedTime = elapsedTime < total_time
 157                                         ? total_time - elapsedTime
 158                                         : 0;
 159
 160                         /* display bitrate if visible-bitrate is true */
 161 #ifndef NCMPC_MINI
 162                         format_bitrate(bitrate, sizeof(bitrate), status);
 163 #endif
 164
 165                         /* write out the time */
 166                         format_duration_short(elapsed_string,
 167                                               sizeof(elapsed_string),
 168                                               elapsedTime);
 169                         format_duration_short(duration_string,
 170                                               sizeof(duration_string),
 171                                               total_time);
 172
 173                         g_snprintf(buffer, sizeof(buffer), "%s [%s/%s]",
 174                                    bitrate, elapsed_string, duration_string);
 175 #ifndef NCMPC_MINI
 176                 } else {
 177                         format_bitrate(buffer, sizeof(buffer), status);
 178 #else
 179                         buffer[0] = 0;
 180 #endif
 181                 }
 182         } else {
 183 #ifndef NCMPC_MINI
 184                 if (options.display_time) {
 185                         time_t timep;
 186
 187                         time(&timep);
 188                         strftime(buffer, sizeof(buffer), "%X ",localtime(&timep));
 189                 } else
 190 #endif
 191                         buffer[0] = 0;
 192         }
 193
 194         /* display song */
 195         if (state == MPD_STATE_PLAY || state == MPD_STATE_PAUSE) {
 196                 char songname[p->window.cols * 4 + 1];
 197 #ifndef NCMPC_MINI
 198                 int width = COLS - x - utf8_width(buffer);
 199 #endif
 200
 201                 if (song)
 202                         strfsong(songname, sizeof(songname),
 203                                  options.status_format, song);
 204                 else
 205                         songname[0] = '\0';
 206
 207                 colors_use(w, COLOR_STATUS);
 208                 /* scroll if the song name is to long */
 209 #ifndef NCMPC_MINI
 210                 if (options.scroll && utf8_width(songname) > (unsigned)width) {
 211                         hscroll_set(&p->hscroll, x, 0, width, songname);
 212                         hscroll_draw(&p->hscroll);
 213                 } else {
 214                         if (options.scroll)
 215                                 hscroll_clear(&p->hscroll);
 216                         mvwaddstr(w, 0, x, songname);
 217                 }
 218 #else
 219                 mvwaddstr(w, 0, x, songname);
 220 #endif
 221 #ifndef NCMPC_MINI
 222         } else if (options.scroll) {
 223                 hscroll_clear(&p->hscroll);
 224 #endif
 225         }
 226
 227         /* display time string */
 228         if (buffer[0] != 0) {
 229                 x = p->window.cols - strlen(buffer);
 230                 colors_use(w, COLOR_STATUS_TIME);
 231                 mvwaddstr(w, 0, x, buffer);
 232         }
 233
 234         wnoutrefresh(w);
 235 }
 236
 237 void
 238 status_bar_resize(struct status_bar *p, unsigned width, int y, int x)
 239 {
 240         p->window.cols = width;
 241         wresize(p->window.w, 1, width);
 242         mvwin(p->window.w, y, x);
 243 }
 244
 245 void
 246 status_bar_message(struct status_bar *p, const char *msg)
 247 {
 248         WINDOW *w = p->window.w;
 249
 250 #ifndef NCMPC_MINI
 251         if (options.scroll)
 252                 hscroll_clear(&p->hscroll);
 253 #endif
 254
 255         wmove(w, 0, 0);
 256         wclrtoeol(w);
 257         colors_use(w, COLOR_STATUS_ALERT);
 258         waddstr(w, msg);
 259         wnoutrefresh(w);
 260
 261         if (p->message_source_id != 0)
 262                 g_source_remove(p->message_source_id);
 263         p->message_source_id = g_timeout_add(options.status_message_time * 1000,
 264                                              status_bar_clear_message, p);
 265 }