Method DrawWidget

src/music_gui.cpp:739–780

	}

	void DrawWidget(const Rect &r, WidgetID widget) const override
	{
		switch (widget) {
			case WID_M_TRACK_NR: {
				GfxFillRect(r.Shrink(WidgetDimensions::scaled.bevel), PC_BLACK);
				if (BaseMusic::GetUsedSet()->num_available == 0) {
					break;
				}
				Rect ir = r.Shrink(WidgetDimensions::scaled.framerect);
				if (_music.IsPlaying()) {
					DrawString(ir, GetString(STR_MUSIC_TRACK_DIGIT, _music.GetCurrentSong().tracknr, 2), TC_FROMSTRING, SA_HOR_CENTER);
				} else {
					DrawString(ir, STR_MUSIC_TRACK_NONE, TC_FROMSTRING, SA_HOR_CENTER);
				}
				break;
			}

			case WID_M_TRACK_NAME: {
				GfxFillRect(r.Shrink(WidgetDimensions::scaled.bevel), PC_BLACK);
				Rect ir = r.Shrink(WidgetDimensions::scaled.framerect);

				MusicSystem::PlaylistEntry entry(_music.GetCurrentSong());
				if (BaseMusic::GetUsedSet()->num_available == 0) {
					DrawString(ir, STR_MUSIC_TITLE_NOMUSIC, TC_FROMSTRING, SA_HOR_CENTER);
				} else if (_music.IsPlaying()) {
					DrawString(ir, GetString(STR_MUSIC_TITLE_NAME, entry.songname), TC_FROMSTRING, SA_HOR_CENTER);
				} else {
					DrawString(ir, STR_MUSIC_TITLE_NONE, TC_FROMSTRING, SA_HOR_CENTER);
				}

				break;
			}

			case WID_M_MUSIC_VOL:
				DrawSliderWidget(r, COLOUR_GREY, COLOUR_GREY, TC_BLACK, 0, INT8_MAX, 0, _settings_client.music.music_vol, nullptr);
				break;

			case WID_M_EFFECT_VOL:
				DrawSliderWidget(r, COLOUR_GREY, COLOUR_GREY, TC_BLACK, 0, INT8_MAX, 0, _settings_client.music.effect_vol, nullptr);
				break;
		}
	}

	/**
	 * Some data on this window has become invalid.