1 #ifndef _WIDGETS_UI_BASE_H_
2 #define _WIDGETS_UI_BASE_H_
6 #include "pbd/stateful.h"
7 #include "canvas/colors.h"
9 #include "widgets/visibility.h"
11 namespace ArdourWidgets {
13 class LIBWIDGETS_API UIConfigurationBase : public PBD::Stateful
16 virtual ~UIConfigurationBase() { _instance = 0; }
17 static UIConfigurationBase* _instance;
20 static UIConfigurationBase& instance() { return *_instance; }
22 sigc::signal<void> DPIReset;
23 sigc::signal<void> ColorsChanged;
25 virtual float get_ui_scale () = 0;
26 virtual bool get_widget_prelight () const = 0;
27 virtual ArdourCanvas::Color color (const std::string&, bool* failed = 0) const = 0;