qabstractscrollarea.h
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上传日期:2022-06-22
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- /****************************************************************************
- **
- ** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
- ** Contact: Qt Software Information (qt-info@nokia.com)
- **
- ** This file is part of the QtGui module of the Qt Toolkit.
- **
- ** Commercial Usage
- ** Licensees holding valid Qt Commercial licenses may use this file in
- ** accordance with the Qt Commercial License Agreement provided with the
- ** Software or, alternatively, in accordance with the terms contained in
- ** a written agreement between you and Nokia.
- **
- **
- ** GNU General Public License Usage
- ** Alternatively, 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 file LICENSE.GPL included in
- ** the packaging of this file. Please review the following information
- ** to ensure GNU General Public Licensing requirements will be met:
- ** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
- ** http://www.gnu.org/copyleft/gpl.html. In addition, as a special
- ** exception, Nokia gives you certain additional rights. These rights
- ** are described in the Nokia Qt GPL Exception version 1.3, included in
- ** the file GPL_EXCEPTION.txt in this package.
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- ****************************************************************************/
- #ifndef QABSTRACTSCROLLAREA_H
- #define QABSTRACTSCROLLAREA_H
- #include <QtGui/qframe.h>
- QT_BEGIN_HEADER
- QT_BEGIN_NAMESPACE
- QT_MODULE(Gui)
- #ifndef QT_NO_SCROLLAREA
- class QScrollBar;
- class QAbstractScrollAreaPrivate;
- class Q_GUI_EXPORT QAbstractScrollArea : public QFrame
- {
- Q_OBJECT
- Q_PROPERTY(Qt::ScrollBarPolicy verticalScrollBarPolicy READ verticalScrollBarPolicy WRITE setVerticalScrollBarPolicy)
- Q_PROPERTY(Qt::ScrollBarPolicy horizontalScrollBarPolicy READ horizontalScrollBarPolicy WRITE setHorizontalScrollBarPolicy)
- public:
- explicit QAbstractScrollArea(QWidget* parent=0);
- ~QAbstractScrollArea();
- Qt::ScrollBarPolicy verticalScrollBarPolicy() const;
- void setVerticalScrollBarPolicy(Qt::ScrollBarPolicy);
- QScrollBar *verticalScrollBar() const;
- void setVerticalScrollBar(QScrollBar *scrollbar);
- Qt::ScrollBarPolicy horizontalScrollBarPolicy() const;
- void setHorizontalScrollBarPolicy(Qt::ScrollBarPolicy);
- QScrollBar *horizontalScrollBar() const;
- void setHorizontalScrollBar(QScrollBar *scrollbar);
- QWidget *cornerWidget() const;
- void setCornerWidget(QWidget *widget);
- void addScrollBarWidget(QWidget *widget, Qt::Alignment alignment);
- QWidgetList scrollBarWidgets(Qt::Alignment alignment);
- QWidget *viewport() const;
- void setViewport(QWidget *widget);
- QSize maximumViewportSize() const;
- QSize minimumSizeHint() const;
- QSize sizeHint() const;
- protected Q_SLOTS:
- void setupViewport(QWidget *viewport);
- protected:
- QAbstractScrollArea(QAbstractScrollAreaPrivate &dd, QWidget *parent = 0);
- void setViewportMargins(int left, int top, int right, int bottom);
- bool event(QEvent *);
- virtual bool viewportEvent(QEvent *);
- void resizeEvent(QResizeEvent *);
- void paintEvent(QPaintEvent *);
- void mousePressEvent(QMouseEvent *);
- void mouseReleaseEvent(QMouseEvent *);
- void mouseDoubleClickEvent(QMouseEvent *);
- void mouseMoveEvent(QMouseEvent *);
- #ifndef QT_NO_WHEELEVENT
- void wheelEvent(QWheelEvent *);
- #endif
- #ifndef QT_NO_CONTEXTMENU
- void contextMenuEvent(QContextMenuEvent *);
- #endif
- #ifndef QT_NO_DRAGANDDROP
- void dragEnterEvent(QDragEnterEvent *);
- void dragMoveEvent(QDragMoveEvent *);
- void dragLeaveEvent(QDragLeaveEvent *);
- void dropEvent(QDropEvent *);
- #endif
- void keyPressEvent(QKeyEvent *);
- virtual void scrollContentsBy(int dx, int dy);
- private:
- Q_DECLARE_PRIVATE(QAbstractScrollArea)
- Q_DISABLE_COPY(QAbstractScrollArea)
- Q_PRIVATE_SLOT(d_func(), void _q_hslide(int))
- Q_PRIVATE_SLOT(d_func(), void _q_vslide(int))
- Q_PRIVATE_SLOT(d_func(), void _q_showOrHideScrollBars())
- friend class QStyleSheetStyle;
- };
- #endif // QT_NO_SCROLLAREA
- QT_END_NAMESPACE
- QT_END_HEADER
- #endif // QABSTRACTSCROLLAREA_H