gdkdnd.h

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/* 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__ */