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Diffstat (limited to 'src/widgets/qwidgetresizehandler_p.h')
-rw-r--r-- | src/widgets/qwidgetresizehandler_p.h | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/src/widgets/qwidgetresizehandler_p.h b/src/widgets/qwidgetresizehandler_p.h new file mode 100644 index 0000000..3d3b6df --- /dev/null +++ b/src/widgets/qwidgetresizehandler_p.h @@ -0,0 +1,137 @@ +/**************************************************************************** +** +** 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 |