/* eggtreednd.h
 * Copyright (C) 2001  Red Hat, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#ifndef __EGG_TREE_MULTI_DND_H__
#define __EGG_TREE_MULTI_DND_H__

#include <gtk/gtk.h>

#ifdef __cplusplus
extern "C" {
#endif

#define EGG_TYPE_TREE_MULTI_DRAG_SOURCE            (egg_tree_multi_drag_source_get_type ())
#define EGG_TREE_MULTI_DRAG_SOURCE(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), EGG_TYPE_TREE_MULTI_DRAG_SOURCE, EggTreeMultiDragSource))
#define EGG_IS_TREE_MULTI_DRAG_SOURCE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EGG_TYPE_TREE_MULTI_DRAG_SOURCE))
#define EGG_TREE_MULTI_DRAG_SOURCE_GET_IFACE(obj)  (G_TYPE_INSTANCE_GET_INTERFACE ((obj), EGG_TYPE_TREE_MULTI_DRAG_SOURCE, EggTreeMultiDragSourceIface))

    typedef struct _EggTreeMultiDragSource      EggTreeMultiDragSource; /* Dummy typedef */
    typedef struct _EggTreeMultiDragSourceIface EggTreeMultiDragSourceIface;

    struct _EggTreeMultiDragSourceIface
    {
        GTypeInterface g_iface;

        /* VTable - not signals */
        gboolean     (* row_draggable)        (EggTreeMultiDragSource   *drag_source,
                                               GList                    *path_list);

        gboolean     (* drag_data_get)        (EggTreeMultiDragSource   *drag_source,
                                               GList                    *path_list,
                                               GtkSelectionData         *selection_data);

        gboolean     (* drag_data_delete)     (EggTreeMultiDragSource *drag_source,
                                               GList                  *path_list);
    };

    GType    egg_tree_multi_drag_source_get_type         (void) G_GNUC_CONST;

    /* Returns whether the given row can be dragged */
    gboolean egg_tree_multi_drag_source_row_draggable    (EggTreeMultiDragSource *drag_source,
            GList                  *path_list);

    /* Deletes the given row, or returns FALSE if it can't */
    gboolean egg_tree_multi_drag_source_drag_data_delete (EggTreeMultiDragSource *drag_source,
            GList                  *path_list);


    /* Fills in selection_data with type selection_data->target based on the row
     * denoted by path, returns TRUE if it does anything
     */
    gboolean egg_tree_multi_drag_source_drag_data_get    (EggTreeMultiDragSource *drag_source,
            GList                  *path_list,
            GtkSelectionData       *selection_data);
    void     egg_tree_multi_drag_add_drag_support        (GtkTreeView            *tree_view);



#ifdef __cplusplus
}
#endif

#endif /* __EGG_TREE_MULTI_DND_H__ */
