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138 lines
4.0 KiB
138 lines
4.0 KiB
/****************************************************************************
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**
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** Definition of the TQWidgetResizeHandler class
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**
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** Created : 001010
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**
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** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of the workspace module of the TQt GUI Toolkit.
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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** Software Foundation and appearing in the files LICENSE.GPL2
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** and LICENSE.GPL3 included in the packaging of this file.
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** Alternatively you may (at your option) use any later version
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** of the GNU General Public License if such license has been
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** publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free TQt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** This file may be used under the terms of the Q Public License as
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** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
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** included in the packaging of this file. Licensees holding valid TQt
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** Commercial licenses may use this file in accordance with the TQt
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** Commercial License Agreement provided with the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#ifndef TQWIDGETRESIZEHANDLER_P_H
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#define TQWIDGETRESIZEHANDLER_P_H
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the TQt API. This header file may
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// change from version to version without notice, or even be
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// removed.
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//
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// We mean it.
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//
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//
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#ifndef QT_H
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#include "ntqobject.h"
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#endif // QT_H
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#ifndef TQT_NO_RESIZEHANDLER
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class TQMouseEvent;
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class TQKeyEvent;
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class TQ_EXPORT TQWidgetResizeHandler : public TQObject
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{
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TQ_OBJECT
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public:
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enum Action {
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Move = 0x01,
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Resize = 0x02,
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Any = Move|Resize
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};
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TQWidgetResizeHandler( TQWidget *parent, TQWidget *cw = 0, const char *name = 0 );
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void setActive( bool b ) { setActive( Any, b ); }
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void setActive( Action ac, bool b );
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bool isActive() const { return isActive( Any ); }
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bool isActive( Action ac ) const;
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void setMovingEnabled( bool b ) { moving = b; }
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bool isMovingEnabled() const { return moving; }
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bool isButtonDown() const { return buttonDown; }
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void setExtraHeight( int h ) { extrahei = h; }
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void setSizeProtection( bool b ) { sizeprotect = b; }
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void doResize();
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void doMove();
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signals:
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void activate();
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protected:
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bool eventFilter( TQObject *o, TQEvent *e );
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void mouseMoveEvent( TQMouseEvent *e );
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void keyPressEvent( TQKeyEvent *e );
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private:
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enum MousePosition {
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Nowhere,
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TopLeft, BottomRight, BottomLeft, TopRight,
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Top, Bottom, Left, Right,
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Center
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};
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TQWidget *widget;
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TQWidget *childWidget;
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TQPoint moveOffset;
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TQPoint invertedMoveOffset;
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MousePosition mode;
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int extrahei;
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int range;
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uint buttonDown :1;
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uint moveResizeMode :1;
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uint activeForResize :1;
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uint sizeprotect :1;
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uint moving :1;
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uint activeForMove :1;
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void setMouseCursor( MousePosition m );
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bool isMove() const {
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return moveResizeMode && mode == Center;
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}
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bool isResize() const {
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return moveResizeMode && !isMove();
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}
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private: // Disabled copy constructor and operator=
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#if defined(TQ_DISABLE_COPY)
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TQWidgetResizeHandler( const TQWidgetResizeHandler & );
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TQWidgetResizeHandler& operator=( const TQWidgetResizeHandler & );
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#endif
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};
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#endif //TQT_NO_RESIZEHANDLER
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#endif
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