gtkdnd.h 6.67 KB
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/* -*- Mode: C; c-file-style: "gnu"; tab-width: 8 -*- */
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/* GTK - The GIMP Toolkit
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 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
 *
 * 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
 * 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
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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
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */
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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
 * 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(GTK_DISABLE_SINGLE_INCLUDES) && !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gtk/gtk.h> can be included directly."
#endif

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#ifndef __GTK_DND_H__
#define __GTK_DND_H__

#include <gdk/gdk.h>
#include <gtk/gtkenums.h>
#include <gtk/gtkwidget.h>
#include <gtk/gtkselection.h>

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G_BEGIN_DECLS
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typedef enum {
  GTK_DEST_DEFAULT_MOTION     = 1 << 0, /* respond to "drag_motion" */
  GTK_DEST_DEFAULT_HIGHLIGHT  = 1 << 1, /* auto-highlight */
  GTK_DEST_DEFAULT_DROP       = 1 << 2, /* respond to "drag_drop" */
  GTK_DEST_DEFAULT_ALL        = 0x07
} GtkDestDefaults;

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/* Flags for the GtkTargetEntry on the destination side
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 */
typedef enum {
  GTK_TARGET_SAME_APP = 1 << 0,    /*< nick=same-app >*/
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  GTK_TARGET_SAME_WIDGET = 1 << 1, /*< nick=same-widget >*/
  GTK_TARGET_OTHER_APP = 1 << 2,   /*< nick=other-app >*/
  GTK_TARGET_OTHER_WIDGET = 1 << 3 /*< nick=other-widget >*/
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} GtkTargetFlags;

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/* Destination side */

void gtk_drag_get_data (GtkWidget      *widget,
			GdkDragContext *context,
			GdkAtom         target,
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			guint32         time_);
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void gtk_drag_finish   (GdkDragContext *context,
			gboolean        success,
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			gboolean        del,
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			guint32         time_);
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GtkWidget *gtk_drag_get_source_widget (GdkDragContext *context);

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void gtk_drag_highlight   (GtkWidget  *widget);
void gtk_drag_unhighlight (GtkWidget  *widget);

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void gtk_drag_dest_set   (GtkWidget            *widget,
			  GtkDestDefaults       flags,
  		          const GtkTargetEntry *targets,
			  gint                  n_targets,
			  GdkDragAction         actions);
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void gtk_drag_dest_set_proxy (GtkWidget      *widget,
			      GdkWindow      *proxy_window,
			      GdkDragProtocol protocol,
			      gboolean        use_coordinates);

void gtk_drag_dest_unset (GtkWidget          *widget);

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GdkAtom        gtk_drag_dest_find_target     (GtkWidget      *widget,
                                              GdkDragContext *context,
                                              GtkTargetList  *target_list);
GtkTargetList* gtk_drag_dest_get_target_list (GtkWidget      *widget);
void           gtk_drag_dest_set_target_list (GtkWidget      *widget,
                                              GtkTargetList  *target_list);
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void           gtk_drag_dest_add_text_targets  (GtkWidget    *widget);
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void           gtk_drag_dest_add_image_targets (GtkWidget    *widget);
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void           gtk_drag_dest_add_uri_targets   (GtkWidget    *widget);
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void           gtk_drag_dest_set_track_motion  (GtkWidget *widget,
						gboolean   track_motion);
gboolean       gtk_drag_dest_get_track_motion  (GtkWidget *widget);

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/* Source side */

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void gtk_drag_source_set  (GtkWidget            *widget,
			   GdkModifierType       start_button_mask,
			   const GtkTargetEntry *targets,
			   gint                  n_targets,
			   GdkDragAction         actions);
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void gtk_drag_source_unset (GtkWidget        *widget);

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GtkTargetList* gtk_drag_source_get_target_list (GtkWidget     *widget);
void           gtk_drag_source_set_target_list (GtkWidget     *widget,
                                                GtkTargetList *target_list);
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void           gtk_drag_source_add_text_targets  (GtkWidget     *widget);
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void           gtk_drag_source_add_image_targets (GtkWidget    *widget);
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void           gtk_drag_source_add_uri_targets   (GtkWidget    *widget);
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void gtk_drag_source_set_icon        (GtkWidget   *widget,
				      GdkColormap *colormap,
				      GdkPixmap   *pixmap,
				      GdkBitmap   *mask);
void gtk_drag_source_set_icon_pixbuf (GtkWidget   *widget,
				      GdkPixbuf   *pixbuf);
void gtk_drag_source_set_icon_stock  (GtkWidget   *widget,
				      const gchar *stock_id);
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void gtk_drag_source_set_icon_name   (GtkWidget   *widget,
				      const gchar *icon_name);
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/* There probably should be functions for setting the targets
 * as a GtkTargetList
 */

GdkDragContext *gtk_drag_begin (GtkWidget         *widget,
				GtkTargetList     *targets,
				GdkDragAction      actions,
				gint               button,
				GdkEvent          *event);

/* Set the image being dragged around
 */
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void gtk_drag_set_icon_widget (GdkDragContext *context,
			       GtkWidget      *widget,
			       gint            hot_x,
			       gint            hot_y);
void gtk_drag_set_icon_pixmap (GdkDragContext *context,
			       GdkColormap    *colormap,
			       GdkPixmap      *pixmap,
			       GdkBitmap      *mask,
			       gint            hot_x,
			       gint            hot_y);
void gtk_drag_set_icon_pixbuf (GdkDragContext *context,
			       GdkPixbuf      *pixbuf,
			       gint            hot_x,
			       gint            hot_y);
void gtk_drag_set_icon_stock  (GdkDragContext *context,
			       const gchar    *stock_id,
			       gint            hot_x,
			       gint            hot_y);
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void gtk_drag_set_icon_name   (GdkDragContext *context,
			       const gchar    *icon_name,
			       gint            hot_x,
			       gint            hot_y);
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void gtk_drag_set_icon_default (GdkDragContext    *context);

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gboolean gtk_drag_check_threshold (GtkWidget *widget,
				   gint       start_x,
				   gint       start_y,
				   gint       current_x,
				   gint       current_y);

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/* Internal functions */
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void _gtk_drag_source_handle_event (GtkWidget *widget,
				    GdkEvent  *event);
void _gtk_drag_dest_handle_event (GtkWidget *toplevel,
				  GdkEvent  *event);

#ifndef GTK_DISABLE_DEPRECATED
void gtk_drag_set_default_icon (GdkColormap   *colormap,
				GdkPixmap     *pixmap,
				GdkBitmap     *mask,
			        gint           hot_x,
			        gint           hot_y);
#endif /* !GTK_DISABLE_DEPRECATED */
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G_END_DECLS
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#endif /* __GTK_DND_H__ */