libegg/treeviewutils/eggtreemultidnd.h

   1 /* eggtreednd.h
   2  * Copyright (C) 2001  Red Hat, Inc.
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Library General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library 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 GNU
  12  * Library General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Library General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17  * Boston, MA 02110-1301, USA.
  18  */
  19
  20 #ifndef __EGG_TREE_MULTI_DND_H__
  21 #define __EGG_TREE_MULTI_DND_H__
  22
  23 #include <gtk/gtktreemodel.h>
  24 #include <gtk/gtktreeview.h>
  25 #include <gtk/gtkdnd.h>
  26
  27 G_BEGIN_DECLS
  28
  29 #define EGG_TYPE_TREE_MULTI_DRAG_SOURCE            (egg_tree_multi_drag_source_get_type ())
  30 #define EGG_TREE_MULTI_DRAG_SOURCE(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), EGG_TYPE_TREE_MULTI_DRAG_SOURCE, EggTreeMultiDragSource))
  31 #define EGG_IS_TREE_MULTI_DRAG_SOURCE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EGG_TYPE_TREE_MULTI_DRAG_SOURCE))
  32 #define EGG_TREE_MULTI_DRAG_SOURCE_GET_IFACE(obj)  (G_TYPE_INSTANCE_GET_INTERFACE ((obj), EGG_TYPE_TREE_MULTI_DRAG_SOURCE, EggTreeMultiDragSourceIface))
  33
  34 typedef struct _EggTreeMultiDragSource      EggTreeMultiDragSource; /* Dummy typedef */
  35 typedef struct _EggTreeMultiDragSourceIface EggTreeMultiDragSourceIface;
  36
  37 struct _EggTreeMultiDragSourceIface
  38 {
  39   GTypeInterface g_iface;
  40
  41   /* VTable - not signals */
  42   gboolean     (* row_draggable)        (EggTreeMultiDragSource   *drag_source,
  43                                          GList                    *path_list);
  44
  45   gboolean     (* drag_data_get)        (EggTreeMultiDragSource   *drag_source,
  46                                          GList                    *path_list,
  47                                          GtkSelectionData         *selection_data);
  48
  49   gboolean     (* drag_data_delete)     (EggTreeMultiDragSource *drag_source,
  50                                          GList                  *path_list);
  51 };
  52
  53 GType    egg_tree_multi_drag_source_get_type         (void) G_GNUC_CONST;
  54
  55 /* Returns whether the given row can be dragged */
  56 gboolean egg_tree_multi_drag_source_row_draggable    (EggTreeMultiDragSource *drag_source,
  57                                                       GList                  *path_list);
  58
  59 /* Deletes the given row, or returns FALSE if it can't */
  60 gboolean egg_tree_multi_drag_source_drag_data_delete (EggTreeMultiDragSource *drag_source,
  61                                                       GList                  *path_list);
  62
  63
  64 /* Fills in selection_data with type selection_data->target based on the row
  65  * denoted by path, returns TRUE if it does anything
  66  */
  67 gboolean egg_tree_multi_drag_source_drag_data_get    (EggTreeMultiDragSource *drag_source,
  68                                                       GList                  *path_list,
  69                                                       GtkSelectionData       *selection_data);
  70 void     egg_tree_multi_drag_add_drag_support        (GtkTreeView            *tree_view);
  71
  72
  73
  74 G_END_DECLS
  75
  76 #endif /* __EGG_TREE_MULTI_DND_H__ */