added files

git-svn-id: svn://localhost/trunk/ardour2@67 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 67 insertions, 0 deletions

diff --git a/libs/gtkmm2ext/gtkmm2ext/dndtreeview.h b/libs/gtkmm2ext/gtkmm2ext/dndtreeview.h
new file mode 100644
index 0000000000..1c91396987
--- /dev/null
+++ b/libs/gtkmm2ext/gtkmm2ext/dndtreeview.h
@@ -0,0 +1,67 @@
+#ifndef __gtkmm2ext_dndtreeview_h__
+#define __gtkmm2ext_dndtreeview_h__
+
+#include <stdint.h>
+#include <string>
+#include <gtkmm/treeview.h>
+#include <gtkmm/treeselection.h>
+#include <gtkmm/selectiondata.h>
+
+namespace Gtkmm2ext {
+
+class DnDTreeView : public Gtk::TreeView 
+{
+
+  private:
+  public:
+	DnDTreeView ();
+	~DnDTreeView() {}
+	
+	void add_object_drag (int column, std::string type_name);
+	sigc::signal<void,std::string,uint32_t,void**> signal_object_drop;
+	
+	void on_drag_begin(const Glib::RefPtr<Gdk::DragContext>& context) {
+		TreeView::on_drag_begin (context);
+	}
+	void on_drag_end(const Glib::RefPtr<Gdk::DragContext>& context) {
+		TreeView::on_drag_end (context);
+	}
+	void on_drag_data_delete(const Glib::RefPtr<Gdk::DragContext>& context) {
+		TreeView::on_drag_data_delete (context);
+	}
+	void on_drag_leave(const Glib::RefPtr<Gdk::DragContext>& context, guint time) {
+	    suggested_action = context->get_suggested_action();
+	    TreeView::on_drag_leave (context, time);
+	}
+	bool on_drag_motion(const Glib::RefPtr<Gdk::DragContext>& context, int x, int y, guint time) {
+		suggested_action = context->get_suggested_action();
+		return TreeView::on_drag_motion (context, x, y, time);
+	}
+	bool on_drag_drop(const Glib::RefPtr<Gdk::DragContext>& context, int x, int y, guint time) {
+		suggested_action = Gdk::DragAction (0);
+		return TreeView::on_drag_drop (context, x, y, time);
+	}
+	
+	void on_drag_data_get(const Glib::RefPtr<Gdk::DragContext>& context, Gtk::SelectionData& selection_data, guint info, guint time);
+	void on_drag_data_received(const Glib::RefPtr<Gdk::DragContext>& context, int x, int y, const Gtk::SelectionData& selection_data, guint info, guint time);
+
+  private:
+	std::list<Gtk::TargetEntry> draggable;
+	Gdk::DragAction             suggested_action;
+	int                         data_column;
+	
+	struct SerializedObjectPointers {
+	    uint32_t size;
+	    uint32_t cnt;
+	    char     type[32];
+	    void*    ptr[0];
+	};
+	
+	SerializedObjectPointers* serialize_pointers (Glib::RefPtr<Gtk::TreeModel> m, 
+						      Gtk::TreeSelection::ListHandle_Path*,
+						      Glib::ustring type);
+};
+
+} // namespace
+ 
+#endif /* __gtkmm2ext_dndtreeview_h__ */