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#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); } | |
QScopedPointer<QObject> viewportFilter; | |
#ifdef Q_WS_WIN | |
bool singleFingerPanEnabled; | |
void setSingleFingerPanEnabled(bool on = true); | |
#endif | |
}; | |
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 |