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+/****************************************************************************
+**
+** Definition of the QWidgetResizeHandler class
+**
+** Created : 001010
+**
+** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
+**
+** This file is part of the workspace module of the Qt GUI Toolkit.
+**
+** This file may be used under the terms of the GNU General
+** Public License versions 2.0 or 3.0 as published by the Free
+** Software Foundation and appearing in the files LICENSE.GPL2
+** and LICENSE.GPL3 included in the packaging of this file.
+** Alternatively you may (at your option) use any later version
+** of the GNU General Public License if such license has been
+** publicly approved by Trolltech ASA (or its successors, if any)
+** and the KDE Free Qt Foundation.
+**
+** Please review the following information to ensure GNU General
+** Public Licensing requirements will be met:
+** http://trolltech.com/products/qt/licenses/licensing/opensource/.
+** If you are unsure which license is appropriate for your use, please
+** review the following information:
+** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
+** or contact the sales department at sales@trolltech.com.
+**
+** This file may be used under the terms of the Q Public License as
+** defined by Trolltech ASA and appearing in the file LICENSE.QPL
+** included in the packaging of this file. Licensees holding valid Qt
+** Commercial 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 WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
+** herein.
+**
+**********************************************************************/
+
+#ifndef QWIDGETRESIZEHANDLER_P_H
+#define QWIDGETRESIZEHANDLER_P_H
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. This header file may
+// change from version to version without notice, or even be
+// removed.
+//
+// We mean it.
+//
+//
+
+#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:
+ enum Action {
+ Move = 0x01,
+ Resize = 0x02,
+ Any = Move|Resize
+ };
+
+ QWidgetResizeHandler( QWidget *parent, QWidget *cw = 0, const char *name = 0 );
+ void setActive( bool b ) { setActive( Any, b ); }
+ void setActive( Action ac, bool b );
+ bool isActive() const { return isActive( Any ); }
+ bool isActive( Action ac ) const;
+ 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 activeForResize :1;
+ uint sizeprotect :1;
+ uint moving :1;
+ uint activeForMove :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