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/* This file is part of the KDE project
   Copyright (C) 2004 Cedric Pasteur <cedric.pasteur@free.fr>

   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; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/

#ifndef SPACER_H
#define SPACER_H

#include <tqwidget.h>

class TQDomElement;
class TQDomDocument;

namespace KFormDesigner {

class ObjectTreeItem;
class Container;
class WidgetLibrary;

}

class KFORMEDITOR_EXPORT Spring : public TQWidget
{
	Q_OBJECT
  
	TQ_ENUMS(SizeType)
	TQ_PROPERTY(Orientation orientation READ orientation WRITE setOrientation)
	TQ_PROPERTY(SizeType sizeType READ sizeType WRITE setSizeType)

	private:
		enum {HSize = 6, HMask = 0x3f, VMask = HMask << HSize, MayGrow = 1, ExpMask = 2, MayShrink = 4 };
	public:
		enum SizeType {Fixed = 0, Minimum = MayGrow, Maximum = MayShrink, Preferred = MayGrow|MayShrink , MinimumExpanding = Minimum|ExpMask,
		    Expanding = MinimumExpanding|MayShrink };

	public:
		Spring(TQWidget *parent, const char *name);
		~Spring() {;}

		static bool isPropertyVisible(const TQCString &name);
		static void saveSpring(KFormDesigner::ObjectTreeItem *item, TQDomElement &parent, TQDomDocument &domDoc, bool insideGridLayout);

		void setOrientation(Orientation orient);
		Orientation orientation() const { return m_orient;}
		void setSizeType(SizeType size);
		SizeType sizeType() const;

		void  setPreviewMode() { m_edit = false; }

	private:
		void paintEvent(TQPaintEvent *ev);

	private:
		Orientation   m_orient;
		bool          m_edit;
};


#endif