libs/gtkmm2ext/dndtreeview.cc

   1 /*
   2     Copyright (C) 2000-2007 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #include <cstdio>
  21 #include <iostream>
  22
  23 #include <gtkmm2ext/dndtreeview.h>
  24
  25 using namespace std;
  26 using namespace sigc;
  27 using namespace Gdk;
  28 using namespace Gtk;
  29 using namespace Glib;
  30 using namespace Gtkmm2ext;
  31
  32 DnDTreeViewBase::DragData DnDTreeViewBase::drag_data;
  33
  34 DnDTreeViewBase::DnDTreeViewBase ()
  35         : TreeView ()
  36 {
  37         draggable.push_back (TargetEntry ("GTK_TREE_MODEL_ROW", TARGET_SAME_WIDGET));
  38         data_column = -1;
  39
  40         enable_model_drag_source (draggable);
  41         enable_model_drag_dest (draggable);
  42
  43         suggested_action = Gdk::DragAction (0);
  44 }
  45
  46 void
  47 DnDTreeViewBase::add_drop_targets (list<TargetEntry>& targets)
  48 {
  49         for (list<TargetEntry>::iterator i = targets.begin(); i != targets.end(); ++i) {
  50                 draggable.push_back (*i);
  51         }
  52
  53         enable_model_drag_source (draggable);
  54         enable_model_drag_dest (draggable);
  55 }
  56
  57 void
  58 DnDTreeViewBase::add_object_drag (int column, string type_name)
  59 {
  60         draggable.push_back (TargetEntry (type_name, TargetFlags(0)));
  61         data_column = column;
  62         object_type = type_name;
  63
  64         enable_model_drag_source (draggable);
  65         enable_model_drag_dest (draggable);
  66 }
  67
  68 bool
  69 DnDTreeViewBase::on_drag_drop(const Glib::RefPtr<Gdk::DragContext>& context, int x, int y, guint time)
  70 {
  71         suggested_action = Gdk::DragAction (0);
  72         drag_data.source = 0;
  73         return TreeView::on_drag_drop (context, x, y, time);
  74 }
  75
  76