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128 lines
3.9 KiB
C++
128 lines
3.9 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Copyright (C) 2016-2020 Ivailo Monev
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**
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** This file is part of the QtGui module of the Katie Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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**
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QABSTRACTSCROLLAREA_P_H
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#define QABSTRACTSCROLLAREA_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 Katie API. It exists purely as an
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// implementation detail. This header file may change from version to
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// version without notice, or even be removed.
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//
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// We mean it.
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//
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#include "qframe_p.h"
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#include "qabstractscrollarea.h"
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QT_BEGIN_NAMESPACE
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#ifndef QT_NO_SCROLLAREA
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class QScrollBar;
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class QAbstractScrollAreaScrollBarContainer;
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class Q_GUI_EXPORT QAbstractScrollAreaPrivate: public QFramePrivate
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{
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Q_DECLARE_PUBLIC(QAbstractScrollArea)
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public:
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QAbstractScrollAreaPrivate();
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void replaceScrollBar(QScrollBar *scrollBar, Qt::Orientation orientation);
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QAbstractScrollAreaScrollBarContainer *scrollBarContainers[Qt::Vertical + 1];
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QScrollBar *hbar, *vbar;
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Qt::ScrollBarPolicy vbarpolicy, hbarpolicy;
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QWidget *viewport;
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QWidget *cornerWidget;
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QRect cornerPaintingRect;
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int left, top, right, bottom; // viewport margin
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int xoffset, yoffset;
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void init();
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void layoutChildren();
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// ### Fix for 4.4, talk to Bjoern E or Girish.
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virtual void scrollBarPolicyChanged(Qt::Orientation, Qt::ScrollBarPolicy) {}
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void _q_hslide(int);
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void _q_vslide(int);
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void _q_showOrHideScrollBars();
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virtual QPoint contentsOffset() const;
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inline bool viewportEvent(QEvent *event)
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{ return q_func()->viewportEvent(event); }
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QScopedPointer<QObject> viewportFilter;
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};
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class QAbstractScrollAreaFilter : public QObject
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{
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Q_OBJECT
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public:
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QAbstractScrollAreaFilter(QAbstractScrollAreaPrivate *p) : d(p)
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{ setObjectName(QLatin1String("qt_abstractscrollarea_filter")); }
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bool eventFilter(QObject *o, QEvent *e)
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{ return (o == d->viewport ? d->viewportEvent(e) : false); }
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private:
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QAbstractScrollAreaPrivate *d;
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};
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class QBoxLayout;
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class QAbstractScrollAreaScrollBarContainer : public QWidget
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{
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public:
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enum LogicalPosition { LogicalLeft = 1, LogicalRight = 2 };
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QAbstractScrollAreaScrollBarContainer(Qt::Orientation orientation, QWidget *parent);
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void addWidget(QWidget *widget, LogicalPosition position);
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QWidgetList widgets(LogicalPosition position);
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void removeWidget(QWidget *widget);
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QScrollBar *scrollBar;
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QBoxLayout *layout;
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private:
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int scrollBarLayoutIndex() const;
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Qt::Orientation orientation;
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};
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#endif // QT_NO_SCROLLAREA
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QT_END_NAMESPACE
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#endif // QABSTRACTSCROLLAREA_P_H
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