gtkhandlebox.h 2.35 KB
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/* GTK - The GIMP Toolkit
 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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 * Copyright (C) 1998 Elliot Lee
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 *
 * This 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.
 *
 * 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the Free
 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
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/* The GtkHandleBox is to allow widgets to be dragged in and out of
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 * their parents.
 */


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#ifndef __GTK_HANDLE_BOX_H__
#define __GTK_HANDLE_BOX_H__


#include <gdk/gdk.h>
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#include <gtk/gtkbin.h>
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#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */


#define GTK_HANDLE_BOX(obj)          GTK_CHECK_CAST (obj, gtk_handle_box_get_type (), GtkHandleBox)
#define GTK_HANDLE_BOX_CLASS(klass)  GTK_CHECK_CLASS_CAST (klass, gtk_handle_box_get_type (), GtkHandleBoxClass)
#define GTK_IS_HANDLE_BOX(obj)       GTK_CHECK_TYPE (obj, gtk_handle_box_get_type ())


typedef struct _GtkHandleBox       GtkHandleBox;
typedef struct _GtkHandleBoxClass  GtkHandleBoxClass;

struct _GtkHandleBox
{
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  GtkBin bin;

  GdkWindow      *steady_window; /* the window that stays in the parent container */
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  GtkWidget      *float_window;
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  GtkRequisition  real_requisition;
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  guint		  is_being_dragged : 1;
  guint		  is_onroot : 1;
  guint		  overlap_attaches : 1;
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  GdkCursor      *fleur_cursor;

  gint dragoff_x, dragoff_y; /* start drag position (wrt widget->window) */
  gint steady_x, steady_y; /* origin of stedy_window (wrt the root window) */
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};

struct _GtkHandleBoxClass
{
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  GtkBinClass parent_class;
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  void	(*child_attached)	(GtkHandleBox	*handle_box,
				 GtkWidget	*child);
  void	(*child_detached)	(GtkHandleBox	*handle_box,
				 GtkWidget	*child);
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};

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guint          gtk_handle_box_get_type        (void);
GtkWidget*     gtk_handle_box_new             (void);
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#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* __GTK_HANDLE_BOX_H__ */