src/screen_paint.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 "screen.h"
  21 #include "screen_interface.h"
  22 #include "config.h"
  23 #include "mpdclient.h"
  24 #include "options.h"
  25 #include "player_command.h"
  26
  27 #include <mpd/client.h>
  28
  29 #include <assert.h>
  30
  31 void
  32 paint_top_window(const struct mpdclient *c)
  33 {
  34         const char *title =
  35 #ifndef NCMPC_MINI
  36                 screen.welcome_source_id == 0 &&
  37 #endif
  38                 screen.current_page->get_title != NULL
  39                 ? screen.current_page->get_title(screen.buf, screen.buf_size)
  40                 : "";
  41         assert(title != NULL);
  42
  43         title_bar_paint(&screen.title_bar, title, c->status);
  44 }
  45
  46 static void
  47 update_progress_window(struct mpdclient *c, bool repaint)
  48 {
  49         unsigned elapsed;
  50         if (c->status == NULL)
  51                 elapsed = 0;
  52         else if (seek_id >= 0 && seek_id == mpd_status_get_song_id(c->status))
  53                 elapsed = seek_target_time;
  54         else
  55                 elapsed = mpd_status_get_elapsed_time(c->status);
  56
  57         unsigned duration = mpdclient_is_playing(c)
  58                 ? mpd_status_get_total_time(c->status)
  59                 : 0;
  60
  61         if (progress_bar_set(&screen.progress_bar, elapsed, duration) ||
  62             repaint)
  63                 progress_bar_paint(&screen.progress_bar);
  64 }
  65
  66 void
  67 screen_paint(struct mpdclient *c, bool main_dirty)
  68 {
  69         /* update title/header window */
  70         paint_top_window(c);
  71
  72         /* paint the bottom window */
  73
  74         update_progress_window(c, true);
  75         status_bar_paint(&screen.status_bar, c->status, c->song);
  76
  77         /* paint the main window */
  78
  79         if (main_dirty) {
  80                 wclear(screen.main_window.w);
  81                 if (screen.current_page->paint != NULL)
  82                         screen.current_page->paint();
  83         }
  84
  85         /* move the cursor to the origin */
  86
  87         if (!options.hardware_cursor)
  88                 wmove(screen.main_window.w, 0, 0);
  89
  90         wnoutrefresh(screen.main_window.w);
  91
  92         /* tell curses to update */
  93         doupdate();
  94 }