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#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() {}
/* this is the structure pointed to if add_object_drag() is called
and a drop happens on a destination which has declared itself
willing to accept a target of the type named in the call
to add_object_drag().
*/
struct SerializedObjectPointers {
uint32_t size;
uint32_t cnt;
char type[32];
void* ptr[0];
};
void add_drop_targets (std::list<Gtk::TargetEntry>&);
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);
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;
SerializedObjectPointers* serialize_pointers (Glib::RefPtr<Gtk::TreeModel> m,
Gtk::TreeSelection::ListHandle_Path*,
Glib::ustring type);
};
} // namespace
#endif /* __gtkmm2ext_dndtreeview_h__ */
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