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+/****************************************************************************
+** $Id$
+**
+** Definition of the QWidgetResizeHandler class
+**
+** Created : 001010
+**
+** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
+**
+** This file is part of the workspace module of the Qt GUI Toolkit.
+**
+** This file may be distributed under the terms of the Q Public License
+** as defined by Trolltech AS of Norway and appearing in the file
+** LICENSE.QPL included in the packaging of this file.
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU General Public License version 2 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.
+**
+** Licensees holding valid Qt Enterprise Edition licenses may use this
+** file in accordance with the Qt Commercial License Agreement provided
+** with the Software.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
+** information about Qt Commercial License Agreements.
+** See http://www.trolltech.com/qpl/ for QPL licensing information.
+** See http://www.trolltech.com/gpl/ for GPL licensing information.
+**
+** Contact info@trolltech.com if any conditions of this licensing are
+** not clear to you.
+**
+**********************************************************************/
+
+#ifndef QWIDGETRESIZEHANDLER_H
+#define QWIDGETRESIZEHANDLER_H
+
+#ifndef QT_H
+#include "qobject.h"
+#endif // QT_H
+#ifndef QT_NO_RESIZEHANDLER
+class QMouseEvent;
+class QKeyEvent;
+
+class Q_EXPORT QWidgetResizeHandler : public QObject
+{
+ Q_OBJECT
+
+public:
+ QWidgetResizeHandler( QWidget *parent, QWidget *cw = 0, const char *name = 0 );
+ void setActive( bool b ) { active = b; if ( !active ) setMouseCursor( Nowhere ); }
+ bool isActive() const { return active; }
+ void setMovingEnabled( bool b ) { moving = b; }
+ bool isMovingEnabled() const { return moving; }
+
+ bool isButtonDown() const { return buttonDown; }
+
+ void setExtraHeight( int h ) { extrahei = h; }
+ void setSizeProtection( bool b ) { sizeprotect = b; }
+
+ void doResize();
+ void doMove();
+
+signals:
+ void activate();
+
+protected:
+ bool eventFilter( QObject *o, QEvent *e );
+ void mouseMoveEvent( QMouseEvent *e );
+ void keyPressEvent( QKeyEvent *e );
+
+private:
+ enum MousePosition {
+ Nowhere,
+ TopLeft, BottomRight, BottomLeft, TopRight,
+ Top, Bottom, Left, Right,
+ Center
+ };
+
+ QWidget *widget;
+ QWidget *childWidget;
+ QPoint moveOffset;
+ QPoint invertedMoveOffset;
+ MousePosition mode;
+ int extrahei;
+ int range;
+ uint buttonDown :1;
+ uint moveResizeMode :1;
+ uint active :1;
+ uint sizeprotect :1;
+ uint moving :1;
+
+ void setMouseCursor( MousePosition m );
+ bool isMove() const {
+ return moveResizeMode && mode == Center;
+ }
+ bool isResize() const {
+ return moveResizeMode && !isMove();
+ }
+
+private: // Disabled copy constructor and operator=
+#if defined(Q_DISABLE_COPY)
+ QWidgetResizeHandler( const QWidgetResizeHandler & );
+ QWidgetResizeHandler& operator=( const QWidgetResizeHandler & );
+#endif
+
+};
+
+#endif //QT_NO_RESIZEHANDLER
+#endif