diff options
Diffstat (limited to 'gtk2_ardour/cairo_widget.h')
| -rw-r--r-- | gtk2_ardour/cairo_widget.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/gtk2_ardour/cairo_widget.h b/gtk2_ardour/cairo_widget.h index 8665f66198..e368a21a03 100644 --- a/gtk2_ardour/cairo_widget.h +++ b/gtk2_ardour/cairo_widget.h @@ -35,14 +35,33 @@ public: void set_dirty (); + /* widget states: unlike GTK, these OR-together so that + a widget can be both Active *and* Selected, rather than + each one being orthogonal. + */ + + enum State { + Active = 0x1, + Mid = 0x2, + Selected = 0x4, + Prelight = 0x8, + Insensitive = 0x10, + }; + + State state() const { return _state; } + virtual void set_state (State, bool); + sigc::signal<void> StateChanged; + protected: /** Render the widget to the given Cairo context */ virtual void render (cairo_t *) = 0; virtual bool on_expose_event (GdkEventExpose *); void on_size_allocate (Gtk::Allocation &); + Gdk::Color get_parent_bg (); int _width; ///< pixmap width int _height; ///< pixmap height + State _state; private: bool _dirty; ///< true if the pixmap requires re-rendering |