new class/widget for linking two buttons (widgets, really) together

git-svn-id: svn://localhost/ardour2/branches/3.0@11436 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 36 insertions, 0 deletions

diff --git a/gtk2_ardour/button_joiner.h b/gtk2_ardour/button_joiner.h
new file mode 100644
index 0000000000..5a07e5d8d2
--- /dev/null
+++ b/gtk2_ardour/button_joiner.h
@@ -0,0 +1,36 @@
+#ifndef __gtk2_ardour_button_joiner_h__
+#define __gtk2_ardour_button_joiner_h__
+
+#include <gtkmm/box.h>
+#include <gtkmm/alignment.h>
+#include <gtkmm/action.h>
+
+#include "gtkmm2ext/activatable.h"
+#include "gtkmm2ext/cairo_widget.h"
+
+class ButtonJoiner : public CairoWidget, public Gtkmm2ext::Activatable {
+  public:
+	ButtonJoiner (Gtk::Widget&, Gtk::Widget&);
+	void set_related_action (Glib::RefPtr<Gtk::Action>);	
+	void set_active_state (Gtkmm2ext::ActiveState);
+
+  protected:
+	void render (cairo_t*);
+	bool on_button_release_event (GdkEventButton*);
+	void on_size_request (Gtk::Requisition*);
+
+	void action_sensitivity_changed ();
+	void action_visibility_changed ();
+	void action_tooltip_changed ();
+	void action_toggled ();
+
+  private:
+	Gtk::Widget& left;
+	Gtk::Widget& right;
+	Gtk::HBox    packer;
+	Gtk::Alignment align;
+
+	void set_colors ();
+};
+
+#endif /* __gtk2_ardour_button_joiner_h__ */