You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
138 lines
3.9 KiB
138 lines
3.9 KiB
/****************************************************************************
|
|
**
|
|
** 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
|