/**************************************************************************** ** ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the QtGui module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** No Commercial Usage ** This file contains pre-release code and may not be distributed. ** You may use this file in accordance with the terms and conditions ** contained in the Technology Preview License Agreement accompanying ** this package. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 2.1 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 2.1 requirements ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Nokia gives you certain additional ** rights. These rights are described in the Nokia Qt LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** If you have questions regarding the use of this file, please contact ** Nokia at qt-info@nokia.com. ** ** ** ** ** ** ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #ifndef QABSTRACTSCROLLAREA_P_H #define QABSTRACTSCROLLAREA_P_H // // W A R N I N G // ------------- // // This file is not part of the Qt API. It exists purely as an // implementation detail. This header file may change from version to // version without notice, or even be removed. // // We mean it. // #include "private/qframe_p.h" #include "qabstractscrollarea.h" QT_BEGIN_NAMESPACE #ifndef QT_NO_SCROLLAREA class QScrollBar; class QAbstractScrollAreaScrollBarContainer; class Q_GUI_EXPORT QAbstractScrollAreaPrivate: public QFramePrivate { Q_DECLARE_PUBLIC(QAbstractScrollArea) public: QAbstractScrollAreaPrivate(); void replaceScrollBar(QScrollBar *scrollBar, Qt::Orientation orientation); QAbstractScrollAreaScrollBarContainer *scrollBarContainers[Qt::Vertical + 1]; QScrollBar *hbar, *vbar; Qt::ScrollBarPolicy vbarpolicy, hbarpolicy; QWidget *viewport; QWidget *cornerWidget; QRect cornerPaintingRect; #ifdef Q_WS_MAC QRect reverseCornerPaintingRect; #endif int left, top, right, bottom; // viewport margin int xoffset, yoffset; void init(); void layoutChildren(); // ### Fix for 4.4, talk to Bjoern E or Girish. virtual void scrollBarPolicyChanged(Qt::Orientation, Qt::ScrollBarPolicy); void _q_hslide(int); void _q_vslide(int); void _q_showOrHideScrollBars(); virtual QPoint contentsOffset() const; inline bool viewportEvent(QEvent *event) { return q_func()->viewportEvent(event); } QObject *viewportFilter; }; class QAbstractScrollAreaFilter : public QObject { Q_OBJECT public: QAbstractScrollAreaFilter(QAbstractScrollAreaPrivate *p) : d(p) { setObjectName(QLatin1String("qt_abstractscrollarea_filter")); } bool eventFilter(QObject *o, QEvent *e) { return (o == d->viewport ? d->viewportEvent(e) : false); } private: QAbstractScrollAreaPrivate *d; }; class QBoxLayout; class QAbstractScrollAreaScrollBarContainer : public QWidget { public: enum LogicalPosition { LogicalLeft = 1, LogicalRight = 2 }; QAbstractScrollAreaScrollBarContainer(Qt::Orientation orientation, QWidget *parent); void addWidget(QWidget *widget, LogicalPosition position); QWidgetList widgets(LogicalPosition position); void removeWidget(QWidget *widget); QScrollBar *scrollBar; QBoxLayout *layout; private: int scrollBarLayoutIndex() const; Qt::Orientation orientation; }; #endif // QT_NO_SCROLLAREA QT_END_NAMESPACE #endif // QABSTRACTSCROLLAREA_P_H