settigs: add support for custom visualization color

src/settings.cpp

@@ -359,6 +359,7 @@ void NcmpcppConfig::SetDefaults()
 	active_column_color = clRed;
 	window_border = brGreen;
 	active_window_border = brRed;
+	visualizer_color = clYellow;
 	media_lib_primary_tag = MPD_TAG_ARTIST;
 	enable_idle_notifications = true;
 	colors_enabled = true;
@@ -1135,6 +1136,11 @@ void NcmpcppConfig::Read()
 				if (!v.empty())
 					active_column_color = IntoColor(v);
 			}
+			else if (cl.find("visualizer_color") != std::string::npos)
+			{
+				if (!v.empty())
+					visualizer_color = IntoColor(v);
+			}
 			else if (cl.find("window_border_color ") != std::string::npos)
 			{
 				if (!v.empty())

src/settings.h

@@ -193,6 +193,7 @@ struct NcmpcppConfig
 	Color statusbar_color;
 	Color alternative_ui_separator_color;
 	Color active_column_color;
+	Color visualizer_color;
 	
 	Border window_border;
 	Border active_window_border;

src/visualizer.cpp

@@ -46,7 +46,7 @@ int Visualizer::WindowTimeout = 1000/25; /* 25 fps */
 
 void Visualizer::Init()
 {
-	w = new Window(0, MainStartY, COLS, MainHeight, "", Config.main_color, brNone);
+	w = new Window(0, MainStartY, COLS, MainHeight, "", Config.visualizer_color, brNone);
 	
 	ResetFD();
 #	ifdef HAVE_FFTW3_H