+ RrColor *titlebut_disabled_focused_color;
+ RrColor *titlebut_disabled_unfocused_color;
+ RrColor *titlebut_hover_focused_color;
+ RrColor *titlebut_hover_unfocused_color;
+ RrColor *titlebut_focused_pressed_color;
+ RrColor *titlebut_unfocused_pressed_color;
+ RrColor *titlebut_focused_unpressed_color;
+ RrColor *titlebut_unfocused_unpressed_color;