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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* nautilus-icon-dnd.h - Drag & drop handling for the icon container widget.
Copyright (C) 1999, 2000 Free Software Foundation
Copyright (C) 2000 Eazel, Inc.
The Gnome 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.
The Gnome 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 the Gnome Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
Authors: Ettore Perazzoli <ettore@gnu.org>,
Darin Adler <darin@eazel.com>,
Andy Hertzfeld <andy@eazel.com>
*/
#ifndef NAUTILUS_ICON_DND_H
#define NAUTILUS_ICON_DND_H
#include "nautilus-icon-container.h"
#include <gtk/gtkdnd.h>
typedef struct NautilusIconDndInfo NautilusIconDndInfo;
typedef enum NautilusIconDndTargetType NautilusIconDndTargetType;
/* Standard DnD types. */
enum NautilusIconDndTargetType {
NAUTILUS_ICON_DND_GNOME_ICON_LIST,
NAUTILUS_ICON_DND_URI_LIST,
NAUTILUS_ICON_DND_URL,
NAUTILUS_ICON_DND_COLOR
};
/* DnD target names. */
#define NAUTILUS_ICON_DND_GNOME_ICON_LIST_TYPE "special/x-gnome-icon-list"
#define NAUTILUS_ICON_DND_URI_LIST_TYPE "text/uri-list"
#define NAUTILUS_ICON_DND_URL_TYPE "_NETSCAPE_URL"
#define NAUTILUS_ICON_DND_COLOR_TYPE "application/x-color"
/* DnD-related information. */
struct NautilusIconDndInfo {
GtkTargetList *target_list;
/* Stuff saved at "receive data" time needed later in the drag. */
gboolean got_data_type;
NautilusIconDndTargetType data_type;
GtkSelectionData *selection_data;
/* Start of the drag, in world coordinates. */
gdouble start_x, start_y;
/* List of DndSelectionItems, representing items being dragged, or NULL
* if data about them has not been received from the source yet.
*/
GList *selection_list;
/* Stipple for drawing icon shadows during DnD. */
GdkBitmap *stipple;
/* Shadow for the icons being dragged. */
GnomeCanvasItem *shadow;
/* last highlighted drop target*/
gpointer current_drop_target_icon;
};
void nautilus_icon_dnd_init (NautilusIconContainer *container,
GdkBitmap *stipple);
void nautilus_icon_dnd_fini (NautilusIconContainer *container);
void nautilus_icon_dnd_begin_drag (NautilusIconContainer *container,
GdkDragAction actions,
gint button,
GdkEventMotion *event);
void nautilus_icon_dnd_end_drag (NautilusIconContainer *container);
void nautilus_icon_dnd_update_drop_action (GtkWidget *widget);
#endif /* NAUTILUS_ICON_DND_H */
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