170 lines
		
	
	
		
			6.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			170 lines
		
	
	
		
			6.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* GDK - The GIMP Drawing Kit
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 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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 *
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 * This library is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with this library; if not, write to the
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 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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 * Boston, MA 02111-1307, USA.
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 */
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/*
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 * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
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 * file for a list of people on the GTK+ Team.  See the ChangeLog
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 * files for a list of changes.  These files are distributed with
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 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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 */
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#if !defined (__GDK_H_INSIDE__) && !defined (GDK_COMPILATION)
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#error "Only <gdk/gdk.h> can be included directly."
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#endif
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#ifndef __GDK_DND_H__
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#define __GDK_DND_H__
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#include <gdk/gdktypes.h>
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#include <gdk/gdkdevice.h>
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G_BEGIN_DECLS
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/* Object that holds information about a drag in progress.
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 * this is used on both source and destination sides.
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 */
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typedef struct _GdkDragContext        GdkDragContext;
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typedef struct _GdkDragContextClass GdkDragContextClass;
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/**
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 * GdkDragAction:
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 * @GDK_ACTION_DEFAULT: Means nothing, and should not be used.
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 * @GDK_ACTION_COPY: Copy the data.
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 * @GDK_ACTION_MOVE: Move the data, i.e. first copy it, then delete
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 *  it from the source using the DELETE target of the X selection protocol.
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 * @GDK_ACTION_LINK: Add a link to the data. Note that this is only
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 *  useful if source and destination agree on what it means.
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 * @GDK_ACTION_PRIVATE: Special action which tells the source that the
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 *  destination will do something that the source doesn't understand.
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 * @GDK_ACTION_ASK: Ask the user what to do with the data.
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 *
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 * Used in #GdkDragContext to indicate what the destination
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 * should do with the dropped data.
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 */
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typedef enum
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{
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  GDK_ACTION_DEFAULT = 1 << 0,
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  GDK_ACTION_COPY    = 1 << 1,
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  GDK_ACTION_MOVE    = 1 << 2,
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  GDK_ACTION_LINK    = 1 << 3,
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  GDK_ACTION_PRIVATE = 1 << 4,
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  GDK_ACTION_ASK     = 1 << 5
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} GdkDragAction;
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/**
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 * GdkDragProtocol:
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 * @GDK_DRAG_PROTO_MOTIF: The Motif DND protocol.
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 * @GDK_DRAG_PROTO_XDND: The Xdnd protocol.
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 * @GDK_DRAG_PROTO_ROOTWIN: An extension to the Xdnd protocol for
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 *  unclaimed root window drops.
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 * @GDK_DRAG_PROTO_NONE: no protocol.
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 * @GDK_DRAG_PROTO_WIN32_DROPFILES: The simple WM_DROPFILES protocol.
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 * @GDK_DRAG_PROTO_OLE2: The complex OLE2 DND protocol (not implemented).
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 * @GDK_DRAG_PROTO_LOCAL: Intra-application DND.
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 *
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 * Used in #GdkDragContext to indicate the protocol according to
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 * which DND is done.
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 */
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typedef enum
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{
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  GDK_DRAG_PROTO_MOTIF,
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  GDK_DRAG_PROTO_XDND,
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  GDK_DRAG_PROTO_ROOTWIN,
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  GDK_DRAG_PROTO_NONE,
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  GDK_DRAG_PROTO_WIN32_DROPFILES,
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  GDK_DRAG_PROTO_OLE2,
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  GDK_DRAG_PROTO_LOCAL
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} GdkDragProtocol;
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#define GDK_TYPE_DRAG_CONTEXT              (gdk_drag_context_get_type ())
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#define GDK_DRAG_CONTEXT(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_DRAG_CONTEXT, GdkDragContext))
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#define GDK_DRAG_CONTEXT_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_DRAG_CONTEXT, GdkDragContextClass))
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#define GDK_IS_DRAG_CONTEXT(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_DRAG_CONTEXT))
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#define GDK_IS_DRAG_CONTEXT_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_DRAG_CONTEXT))
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#define GDK_DRAG_CONTEXT_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_DRAG_CONTEXT, GdkDragContextClass))
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GType            gdk_drag_context_get_type             (void) G_GNUC_CONST;
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void             gdk_drag_context_set_device           (GdkDragContext *context,
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                                                        GdkDevice      *device);
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GdkDevice *      gdk_drag_context_get_device           (GdkDragContext *context);
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GList           *gdk_drag_context_list_targets         (GdkDragContext *context);
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GdkDragAction    gdk_drag_context_get_actions          (GdkDragContext *context);
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GdkDragAction    gdk_drag_context_get_suggested_action (GdkDragContext *context);
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GdkDragAction    gdk_drag_context_get_selected_action  (GdkDragContext *context);
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GdkWindow       *gdk_drag_context_get_source_window    (GdkDragContext *context);
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GdkWindow       *gdk_drag_context_get_dest_window      (GdkDragContext *context);
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GdkDragProtocol  gdk_drag_context_get_protocol         (GdkDragContext *context);
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/* Destination side */
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void             gdk_drag_status        (GdkDragContext   *context,
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				         GdkDragAction     action,
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					 guint32           time_);
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void             gdk_drop_reply         (GdkDragContext   *context,
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					 gboolean          accepted,
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					 guint32           time_);
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void             gdk_drop_finish        (GdkDragContext   *context,
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					 gboolean          success,
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					 guint32           time_);
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GdkAtom          gdk_drag_get_selection (GdkDragContext   *context);
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/* Source side */
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GdkDragContext * gdk_drag_begin            (GdkWindow      *window,
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                                            GList          *targets);
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GdkDragContext * gdk_drag_begin_for_device (GdkWindow      *window,
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                                            GdkDevice      *device,
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                                            GList          *targets);
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GdkNativeWindow gdk_drag_get_protocol_for_display (GdkDisplay       *display,
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						   GdkNativeWindow   xid,
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						   GdkDragProtocol  *protocol);
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void    gdk_drag_find_window_for_screen   (GdkDragContext   *context,
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					   GdkWindow        *drag_window,
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					   GdkScreen        *screen,
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					   gint              x_root,
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					   gint              y_root,
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					   GdkWindow       **dest_window,
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					   GdkDragProtocol  *protocol);
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gboolean        gdk_drag_motion      (GdkDragContext *context,
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				      GdkWindow      *dest_window,
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				      GdkDragProtocol protocol,
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				      gint            x_root, 
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				      gint            y_root,
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				      GdkDragAction   suggested_action,
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				      GdkDragAction   possible_actions,
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				      guint32         time_);
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void            gdk_drag_drop        (GdkDragContext *context,
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				      guint32         time_);
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void            gdk_drag_abort       (GdkDragContext *context,
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				      guint32         time_);
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gboolean        gdk_drag_drop_succeeded (GdkDragContext *context);
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G_END_DECLS
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#endif /* __GDK_DND_H__ */
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