background_music_player.py 文件源码

def switch_track_sync(self, from_grid=True):
        if not self.playlist:
            return
        if self.current_track_i >= 0:
            if self.player.get_state() in {vlc.State.Playing, vlc.State.Paused}:
                self.playlist[self.current_track_i]['color'] = Colors.BG_SKIPPED
                if self.fade_in_out and self.player.get_state() == vlc.State.Playing:
                    self.fade_out_sync(self.stop_fade_speed)  # Blocks thread
            else:
                self.playlist[self.current_track_i]['color'] = Colors.BG_PLAYED_TO_END
        if self.window_exists():
            self.window.grid.SetCellBackgroundColour(self.current_track_i, 0,
                                                     self.playlist[self.current_track_i]['color'])
            self.window.grid.ForceRefresh()  # Updates colors

        if self.window_exists() and from_grid:
            self.current_track_i = self.window.grid.GetSelectedRows()[0]
        else:
            self.current_track_i = (self.current_track_i + 1) % len(self.playlist)

        self.parent.bg_player.play_sync()
        self.parent.bg_pause_switch.Enable(True)