src/status_bar.c

   1 /* ncmpc (Ncurses MPD Client)
   2  * (c) 2004-2017 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 "time_format.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 void
  65 status_bar_clear_message(struct status_bar *p)
  66 {
  67         assert(p != NULL);
  68
  69         if (p->message_source_id != 0) {
  70                 g_source_remove(p->message_source_id);
  71                 p->message_source_id = 0;
  72         }
  73
  74         WINDOW *w = p->window.w;
  75
  76         wmove(w, 0, 0);
  77         wclrtoeol(w);
  78         wrefresh(w);
  79 }
  80
  81 #ifndef NCMPC_MINI
  82
  83 static void
  84 format_bitrate(char *p, size_t max_length, const struct mpd_status *status)
  85 {
  86         if (options.visible_bitrate && mpd_status_get_kbit_rate(status) > 0)
  87                 g_snprintf(p, max_length,
  88                            " [%d kbps]",
  89                            mpd_status_get_kbit_rate(status));
  90         else
  91                 p[0] = '\0';
  92 }
  93
  94 #endif /* !NCMPC_MINI */
  95
  96 void
  97 status_bar_paint(struct status_bar *p, const struct mpd_status *status,
  98                  const struct mpd_song *song)
  99 {
 100         WINDOW *w = p->window.w;
 101         char buffer[p->window.cols * 4 + 1];
 102
 103 #ifndef NCMPC_MINI
 104         p->prev_status = status;
 105         p->prev_song = song;
 106 #endif
 107
 108         if (p->message_source_id != 0)
 109                 return;
 110
 111         wmove(w, 0, 0);
 112         wclrtoeol(w);
 113         colors_use(w, COLOR_STATUS_BOLD);
 114
 115         enum mpd_state state = status == NULL ? MPD_STATE_UNKNOWN
 116                 : mpd_status_get_state(status);
 117
 118         const char *str = NULL;
 119         switch (state) {
 120         case MPD_STATE_PLAY:
 121                 str = _("Playing:");
 122                 break;
 123         case MPD_STATE_PAUSE:
 124                 str = _("[Paused]");
 125                 break;
 126         case MPD_STATE_STOP:
 127         default:
 128                 break;
 129         }
 130
 131         int x = 0;
 132         if (str) {
 133                 waddstr(w, str);
 134                 x += utf8_width(str) + 1;
 135         }
 136
 137         /* create time string */
 138         if (state == MPD_STATE_PLAY || state == MPD_STATE_PAUSE) {
 139                 int elapsedTime = seek_id >= 0 &&
 140                         seek_id == mpd_status_get_song_id(status)
 141                         ? (unsigned)seek_target_time
 142                         : mpd_status_get_elapsed_time(status);
 143                 int total_time = mpd_status_get_total_time(status);
 144                 if (elapsedTime > 0 || total_time > 0) {
 145 #ifdef NCMPC_MINI
 146                         static const char bitrate[1];
 147 #else
 148                         char bitrate[16];
 149 #endif
 150                         char elapsed_string[32], duration_string[32];
 151
 152                         /*checks the conf to see whether to display elapsed or remaining time */
 153                         if (options.display_remaining_time)
 154                                 elapsedTime = elapsedTime < total_time
 155                                         ? total_time - elapsedTime
 156                                         : 0;
 157
 158                         /* display bitrate if visible-bitrate is true */
 159 #ifndef NCMPC_MINI
 160                         format_bitrate(bitrate, sizeof(bitrate), status);
 161 #endif
 162
 163                         /* write out the time */
 164                         format_duration_short(elapsed_string,
 165                                               sizeof(elapsed_string),
 166                                               elapsedTime);
 167                         format_duration_short(duration_string,
 168                                               sizeof(duration_string),
 169                                               total_time);
 170
 171                         g_snprintf(buffer, sizeof(buffer), "%s [%s/%s]",
 172                                    bitrate, elapsed_string, duration_string);
 173 #ifndef NCMPC_MINI
 174                 } else {
 175                         format_bitrate(buffer, sizeof(buffer), status);
 176 #else
 177                         buffer[0] = 0;
 178 #endif
 179                 }
 180         } else {
 181                 buffer[0] = 0;
 182         }
 183
 184         /* display song */
 185         if (state == MPD_STATE_PLAY || state == MPD_STATE_PAUSE) {
 186                 char songname[p->window.cols * 4 + 1];
 187 #ifndef NCMPC_MINI
 188                 int width = COLS - x - utf8_width(buffer);
 189 #endif
 190
 191                 if (song)
 192                         strfsong(songname, sizeof(songname),
 193                                  options.status_format, song);
 194                 else
 195                         songname[0] = '\0';
 196
 197                 colors_use(w, COLOR_STATUS);
 198                 /* scroll if the song name is to long */
 199 #ifndef NCMPC_MINI
 200                 if (options.scroll && utf8_width(songname) > (unsigned)width) {
 201                         hscroll_set(&p->hscroll, x, 0, width, songname);
 202                         hscroll_draw(&p->hscroll);
 203                 } else {
 204                         if (options.scroll)
 205                                 hscroll_clear(&p->hscroll);
 206                         mvwaddstr(w, 0, x, songname);
 207                 }
 208 #else
 209                 mvwaddstr(w, 0, x, songname);
 210 #endif
 211 #ifndef NCMPC_MINI
 212         } else if (options.scroll) {
 213                 hscroll_clear(&p->hscroll);
 214 #endif
 215         }
 216
 217         /* display time string */
 218         if (buffer[0] != 0) {
 219                 x = p->window.cols - strlen(buffer);
 220                 colors_use(w, COLOR_STATUS_TIME);
 221                 mvwaddstr(w, 0, x, buffer);
 222         }
 223
 224         wnoutrefresh(w);
 225 }
 226
 227 void
 228 status_bar_resize(struct status_bar *p, unsigned width, int y, int x)
 229 {
 230         p->window.cols = width;
 231         wresize(p->window.w, 1, width);
 232         mvwin(p->window.w, y, x);
 233 }
 234
 235 static gboolean
 236 status_bar_clear_message_cb(gpointer data)
 237 {
 238         struct status_bar *p = data;
 239         assert(p->message_source_id != 0);
 240         p->message_source_id = 0;
 241
 242         status_bar_clear_message(p);
 243         return false;
 244 }
 245
 246 void
 247 status_bar_message(struct status_bar *p, const char *msg)
 248 {
 249         WINDOW *w = p->window.w;
 250
 251 #ifndef NCMPC_MINI
 252         if (options.scroll)
 253                 hscroll_clear(&p->hscroll);
 254 #endif
 255
 256         wmove(w, 0, 0);
 257         wclrtoeol(w);
 258         colors_use(w, COLOR_STATUS_ALERT);
 259         waddstr(w, msg);
 260         wnoutrefresh(w);
 261
 262         if (p->message_source_id != 0)
 263                 g_source_remove(p->message_source_id);
 264         p->message_source_id = g_timeout_add_seconds(options.status_message_time,
 265                                                      status_bar_clear_message_cb, p);
 266 }