src/nact/egg-tree-multi-dnd.h

   1 /*
   2  * Nautilus Actions
   3  * A Nautilus extension which offers configurable context menu actions.
   4  *
   5  * Copyright (C) 2005 The GNOME Foundation
   6  * Copyright (C) 2006, 2007, 2008 Frederic Ruaudel and others (see AUTHORS)
   7  * Copyright (C) 2009, 2010, 2011 Pierre Wieser and others (see AUTHORS)
   8  *
   9  * This Program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License as
  11  * published by the Free Software Foundation; either version 2 of
  12  * the License, or (at your option) any later version.
  13  *
  14  * This Program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public
  20  * License along with this Library; see the file COPYING.  If not,
  21  * write to the Free Software Foundation, Inc., 59 Temple Place,
  22  * Suite 330, Boston, MA 02111-1307, USA.
  23  *
  24  * Authors:
  25  *   Frederic Ruaudel <grumz@grumz.net>
  26  *   Rodrigo Moya <rodrigo@gnome-db.org>
  27  *   Pierre Wieser <pwieser@trychlos.org>
  28  *   ... and many others (see AUTHORS)
  29  */
  30
  31 /* eggtreednd.h
  32  * Copyright (C) 2001  Red Hat, Inc.
  33  *
  34  * This library is free software; you can redistribute it and/or
  35  * modify it under the terms of the GNU Library General Public
  36  * License as published by the Free Software Foundation; either
  37  * version 2 of the License, or (at your option) any later version.
  38  *
  39  * This library is distributed in the hope that it will be useful,
  40  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  41  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  42  * Library General Public License for more details.
  43  *
  44  * You should have received a copy of the GNU Library General Public
  45  * License along with this library; if not, write to the
  46  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  47  * Boston, MA 02111-1307, USA.
  48  *
  49  * Adapted by Pierre Wieser for the needs of Nautilus Actions
  50  */
  51
  52 #ifndef __EGG_TREE_MULTI_DND_H__
  53 #define __EGG_TREE_MULTI_DND_H__
  54
  55 #include <gtk/gtk.h>
  56
  57 G_BEGIN_DECLS
  58
  59 #define EGG_TYPE_TREE_MULTI_DRAG_SOURCE                                 ( egg_tree_multi_drag_source_get_type())
  60 #define EGG_TREE_MULTI_DRAG_SOURCE( object )                    ( G_TYPE_CHECK_INSTANCE_CAST(( object ), EGG_TYPE_TREE_MULTI_DRAG_SOURCE, EggTreeMultiDragSource ))
  61 #define EGG_IS_TREE_MULTI_DRAG_SOURCE( object )                 ( G_TYPE_CHECK_INSTANCE_TYPE(( object ), EGG_TYPE_TREE_MULTI_DRAG_SOURCE ))
  62 #define EGG_TREE_MULTI_DRAG_SOURCE_GET_IFACE( object )  ( G_TYPE_INSTANCE_GET_INTERFACE(( object ), EGG_TYPE_TREE_MULTI_DRAG_SOURCE, EggTreeMultiDragSourceIface ))
  63
  64 typedef struct EggTreeMultiDragSource      EggTreeMultiDragSource;
  65 typedef struct EggTreeMultiDragSourceIface EggTreeMultiDragSourceIface;
  66
  67 struct EggTreeMultiDragSourceIface
  68 {
  69         GTypeInterface g_iface;
  70
  71         /* vtable - not signals */
  72         gboolean        ( *row_draggable )   ( EggTreeMultiDragSource *drag_source, GList *path_list );
  73         gboolean        ( *drag_data_get )   ( EggTreeMultiDragSource *drag_source, GdkDragContext *context, GtkSelectionData *selection_data, GList *path_list, guint info );
  74         gboolean        ( *drag_data_delete )( EggTreeMultiDragSource *drag_source, GList *path_list );
  75         GtkTargetList * ( *get_target_list ) ( EggTreeMultiDragSource *drag_source );
  76         void            ( *free_target_list )( EggTreeMultiDragSource *drag_source, GtkTargetList *list );
  77         GdkDragAction   ( *get_drag_actions )( EggTreeMultiDragSource *drag_source );
  78 };
  79
  80 GType    egg_tree_multi_drag_source_get_type( void ) G_GNUC_CONST;
  81
  82 /* initialize drag support on the treeview */
  83 void     egg_tree_multi_drag_add_drag_support( EggTreeMultiDragSource *drag_source, GtkTreeView *tree_view );
  84
  85 /* returns whether the given row can be dragged */
  86 gboolean egg_tree_multi_drag_source_row_draggable( EggTreeMultiDragSource *drag_source, GList *path_list );
  87
  88 /* Fills in selection_data with type selection_data->target based on the row
  89  * denoted by path, returns TRUE if it does anything
  90  */
  91 gboolean egg_tree_multi_drag_source_drag_data_get( EggTreeMultiDragSource *drag_source, GdkDragContext *context, GtkSelectionData *selection_data, GList *path_list, guint info );
  92
  93 /* deletes the given row, or returns FALSE if it can't */
  94 gboolean egg_tree_multi_drag_source_drag_data_delete( EggTreeMultiDragSource *drag_source, GList *path_list );
  95
  96 G_END_DECLS
  97
  98 #endif /* __EGG_TREE_MULTI_DND_H__ */