src/ui/egg-tree-multi-dnd.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., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  *
  19  * Adapted by Pierre Wieser for the needs of FileManager-Actions
  20  */
  21
  22 #ifndef __EGG_TREE_MULTI_DND_H__
  23 #define __EGG_TREE_MULTI_DND_H__
  24
  25 #include <gtk/gtk.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( object )                    ( G_TYPE_CHECK_INSTANCE_CAST(( object ), EGG_TYPE_TREE_MULTI_DRAG_SOURCE, EggTreeMultiDragSource ))
  31 #define EGG_IS_TREE_MULTI_DRAG_SOURCE( object )                 ( G_TYPE_CHECK_INSTANCE_TYPE(( object ), EGG_TYPE_TREE_MULTI_DRAG_SOURCE ))
  32 #define EGG_TREE_MULTI_DRAG_SOURCE_GET_IFACE( object )  ( G_TYPE_INSTANCE_GET_INTERFACE(( object ), EGG_TYPE_TREE_MULTI_DRAG_SOURCE, EggTreeMultiDragSourceIface ))
  33
  34 typedef struct EggTreeMultiDragSource      EggTreeMultiDragSource;
  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, GList *path_list );
  43         gboolean        ( *drag_data_get )   ( EggTreeMultiDragSource *drag_source, GdkDragContext *context, GtkSelectionData *selection_data, GList *path_list, guint info );
  44         gboolean        ( *drag_data_delete )( EggTreeMultiDragSource *drag_source, GList *path_list );
  45         GtkTargetList * ( *get_target_list ) ( EggTreeMultiDragSource *drag_source );
  46         void            ( *free_target_list )( EggTreeMultiDragSource *drag_source, GtkTargetList *list );
  47         GdkDragAction   ( *get_drag_actions )( EggTreeMultiDragSource *drag_source );
  48 };
  49
  50 GType    egg_tree_multi_drag_source_get_type( void ) G_GNUC_CONST;
  51
  52 /* initialize drag support on the treeview */
  53 void     egg_tree_multi_drag_add_drag_support( EggTreeMultiDragSource *drag_source, GtkTreeView *tree_view );
  54
  55 /* returns whether the given row can be dragged */
  56 gboolean egg_tree_multi_drag_source_row_draggable( EggTreeMultiDragSource *drag_source, GList *path_list );
  57
  58 /* Fills in selection_data with type selection_data->target based on the row
  59  * denoted by path, returns TRUE if it does anything
  60  */
  61 gboolean egg_tree_multi_drag_source_drag_data_get( EggTreeMultiDragSource *drag_source, GdkDragContext *context, GtkSelectionData *selection_data, GList *path_list, guint info );
  62
  63 /* deletes the given row, or returns FALSE if it can't */
  64 gboolean egg_tree_multi_drag_source_drag_data_delete( EggTreeMultiDragSource *drag_source, GList *path_list );
  65
  66 G_END_DECLS
  67
  68 #endif /* __EGG_TREE_MULTI_DND_H__ */