/* GDK - The GIMP Drawing Kit

 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser 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

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, write to the

 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,

 * Boston, MA 02111-1307, USA.

 */

/*

 * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS

 * file for a list of people on the GTK+ Team.  See the ChangeLog

 * files for a list of changes.  These files are distributed with

 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.

 */

#ifndef __GDK_DND_H__

#define __GDK_DND_H__

#if defined(GTK_DISABLE_SINGLE_INCLUDES) && !defined (__GDK_H_INSIDE__) && !defined (GDK_COMPILATION)

#error "Only <gdk/gdk.h> can be included directly."

#endif

#include <gdk/gdktypes.h>

G_BEGIN_DECLS

typedef struct _GdkDragContext        GdkDragContext;

typedef enum

{

  GDK_ACTION_DEFAULT = 1 << 0,

  GDK_ACTION_COPY    = 1 << 1,

  GDK_ACTION_MOVE    = 1 << 2,

  GDK_ACTION_LINK    = 1 << 3,

  GDK_ACTION_PRIVATE = 1 << 4,

  GDK_ACTION_ASK     = 1 << 5

} GdkDragAction;

typedef enum

{

  GDK_DRAG_PROTO_MOTIF,

  GDK_DRAG_PROTO_XDND,

  GDK_DRAG_PROTO_ROOTWIN,	  /* A root window with nobody claiming

				   * drags */

  GDK_DRAG_PROTO_NONE,		  /* Not a valid drag window */

  GDK_DRAG_PROTO_WIN32_DROPFILES, /* The simple WM_DROPFILES dnd */

  GDK_DRAG_PROTO_OLE2,		  /* The complex OLE2 dnd (not implemented) */

  GDK_DRAG_PROTO_LOCAL            /* Intra-app */

} GdkDragProtocol;

/* Object that holds information about a drag in progress.

 * this is used on both source and destination sides.

 */

typedef struct _GdkDragContextClass GdkDragContextClass;

#define GDK_TYPE_DRAG_CONTEXT              (gdk_drag_context_get_type ())

#define GDK_DRAG_CONTEXT(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_DRAG_CONTEXT, GdkDragContext))

#define GDK_DRAG_CONTEXT_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_DRAG_CONTEXT, GdkDragContextClass))

#define GDK_IS_DRAG_CONTEXT(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_DRAG_CONTEXT))

#define GDK_IS_DRAG_CONTEXT_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_DRAG_CONTEXT))

#define GDK_DRAG_CONTEXT_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_DRAG_CONTEXT, GdkDragContextClass))

struct _GdkDragContext {

  GObject parent_instance;

  /*< public >*/

  GdkDragProtocol GSEAL (protocol);

  gboolean GSEAL (is_source);

  GdkWindow *GSEAL (source_window);

  GdkWindow *GSEAL (dest_window);

  GList *GSEAL (targets);

  GdkDragAction GSEAL (actions);

  GdkDragAction GSEAL (suggested_action);

  GdkDragAction GSEAL (action);

  guint32 GSEAL (start_time);

  /*< private >*/

  gpointer GSEAL (windowing_data);

};

struct _GdkDragContextClass {

  GObjectClass parent_class;

};

/* Drag and Drop */

GType            gdk_drag_context_get_type   (void) G_GNUC_CONST;

#if !defined (GDK_DISABLE_DEPRECATED) || defined (GDK_COMPILATION)

GdkDragContext * gdk_drag_context_new        (void);

#endif

GList           *gdk_drag_context_list_targets         (GdkDragContext *context);

GdkDragAction    gdk_drag_context_get_actions          (GdkDragContext *context);

GdkDragAction    gdk_drag_context_get_suggested_action (GdkDragContext *context);

GdkDragAction    gdk_drag_context_get_selected_action  (GdkDragContext *context);

GdkWindow       *gdk_drag_context_get_source_window    (GdkDragContext *context);

GdkWindow       *gdk_drag_context_get_dest_window      (GdkDragContext *context);

GdkDragProtocol  gdk_drag_context_get_protocol         (GdkDragContext *context);

#ifndef GDK_DISABLE_DEPRECATED

void             gdk_drag_context_ref        (GdkDragContext *context);

void             gdk_drag_context_unref      (GdkDragContext *context);

#endif

/* Destination side */

void             gdk_drag_status        (GdkDragContext   *context,

				         GdkDragAction     action,

					 guint32           time_);

void             gdk_drop_reply         (GdkDragContext   *context,

					 gboolean          ok,

					 guint32           time_);

void             gdk_drop_finish        (GdkDragContext   *context,

					 gboolean          success,

					 guint32           time_);

GdkAtom          gdk_drag_get_selection (GdkDragContext   *context);

/* Source side */

GdkDragContext * gdk_drag_begin      (GdkWindow      *window,

				      GList          *targets);

GdkNativeWindow gdk_drag_get_protocol_for_display (GdkDisplay       *display,

						   GdkNativeWindow   xid,

						   GdkDragProtocol  *protocol);

void    gdk_drag_find_window_for_screen   (GdkDragContext   *context,

					   GdkWindow        *drag_window,

					   GdkScreen        *screen,

					   gint              x_root,

					   gint              y_root,

					   GdkWindow       **dest_window,

					   GdkDragProtocol  *protocol);

#ifndef GDK_MULTIHEAD_SAFE

#ifndef GDK_DISABLE_DEPRECATED

GdkNativeWindow gdk_drag_get_protocol (GdkNativeWindow   xid,

				       GdkDragProtocol  *protocol);

void    gdk_drag_find_window  (GdkDragContext   *context,

			       GdkWindow        *drag_window,

			       gint              x_root,

			       gint              y_root,

			       GdkWindow       **dest_window,

			       GdkDragProtocol  *protocol);

#endif /* GDK_DISABLE_DEPRECATED */

#endif /* GDK_MULTIHEAD_SAFE */

gboolean        gdk_drag_motion      (GdkDragContext *context,

				      GdkWindow      *dest_window,

				      GdkDragProtocol protocol,

				      gint            x_root, 

				      gint            y_root,

				      GdkDragAction   suggested_action,

				      GdkDragAction   possible_actions,

				      guint32         time_);

void            gdk_drag_drop        (GdkDragContext *context,

				      guint32         time_);

void            gdk_drag_abort       (GdkDragContext *context,

				      guint32         time_);

gboolean        gdk_drag_drop_succeeded (GdkDragContext *context);

G_END_DECLS

#endif /* __GDK_DND_H__ */