| /**************************************************************************** |
| ** |
| ** Copyright (C) 2015 The Qt Company Ltd. |
| ** Contact: http://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtWidgets module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL21$ |
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| ** accordance with the commercial license agreement provided with the |
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| ** GNU Lesser General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU Lesser |
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| ** |
| ** As a special exception, The Qt Company gives you certain additional |
| ** rights. These rights are described in The Qt Company LGPL Exception |
| ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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| ** |
| ****************************************************************************/ |
| |
| #ifndef QABSTRACTSCROLLAREA_H |
| #define QABSTRACTSCROLLAREA_H |
| |
| #include <QtWidgets/qframe.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| |
| #ifndef QT_NO_SCROLLAREA |
| |
| class QMargins; |
| class QScrollBar; |
| class QAbstractScrollAreaPrivate; |
| |
| class Q_WIDGETS_EXPORT QAbstractScrollArea : public QFrame |
| { |
| Q_OBJECT |
| |
| Q_PROPERTY(Qt::ScrollBarPolicy verticalScrollBarPolicy READ verticalScrollBarPolicy WRITE setVerticalScrollBarPolicy) |
| Q_PROPERTY(Qt::ScrollBarPolicy horizontalScrollBarPolicy READ horizontalScrollBarPolicy WRITE setHorizontalScrollBarPolicy) |
| Q_PROPERTY(SizeAdjustPolicy sizeAdjustPolicy READ sizeAdjustPolicy WRITE setSizeAdjustPolicy) |
| |
| public: |
| explicit QAbstractScrollArea(QWidget* parent=0); |
| ~QAbstractScrollArea(); |
| |
| enum SizeAdjustPolicy { |
| AdjustIgnored, |
| AdjustToContentsOnFirstShow, |
| AdjustToContents |
| }; |
| Q_ENUM(SizeAdjustPolicy) |
| |
| 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 Q_DECL_OVERRIDE; |
| |
| QSize sizeHint() const Q_DECL_OVERRIDE; |
| |
| virtual void setupViewport(QWidget *viewport); |
| |
| SizeAdjustPolicy sizeAdjustPolicy() const; |
| void setSizeAdjustPolicy(SizeAdjustPolicy policy); |
| |
| protected: |
| QAbstractScrollArea(QAbstractScrollAreaPrivate &dd, QWidget *parent = 0); |
| void setViewportMargins(int left, int top, int right, int bottom); |
| void setViewportMargins(const QMargins &margins); |
| QMargins viewportMargins() const; |
| |
| bool eventFilter(QObject *, QEvent *) Q_DECL_OVERRIDE; |
| bool event(QEvent *) Q_DECL_OVERRIDE; |
| virtual bool viewportEvent(QEvent *); |
| |
| void resizeEvent(QResizeEvent *) Q_DECL_OVERRIDE; |
| void paintEvent(QPaintEvent *) Q_DECL_OVERRIDE; |
| void mousePressEvent(QMouseEvent *) Q_DECL_OVERRIDE; |
| void mouseReleaseEvent(QMouseEvent *) Q_DECL_OVERRIDE; |
| void mouseDoubleClickEvent(QMouseEvent *) Q_DECL_OVERRIDE; |
| void mouseMoveEvent(QMouseEvent *) Q_DECL_OVERRIDE; |
| #ifndef QT_NO_WHEELEVENT |
| void wheelEvent(QWheelEvent *) Q_DECL_OVERRIDE; |
| #endif |
| #ifndef QT_NO_CONTEXTMENU |
| void contextMenuEvent(QContextMenuEvent *) Q_DECL_OVERRIDE; |
| #endif |
| #ifndef QT_NO_DRAGANDDROP |
| void dragEnterEvent(QDragEnterEvent *) Q_DECL_OVERRIDE; |
| void dragMoveEvent(QDragMoveEvent *) Q_DECL_OVERRIDE; |
| void dragLeaveEvent(QDragLeaveEvent *) Q_DECL_OVERRIDE; |
| void dropEvent(QDropEvent *) Q_DECL_OVERRIDE; |
| #endif |
| |
| void keyPressEvent(QKeyEvent *) Q_DECL_OVERRIDE; |
| |
| virtual void scrollContentsBy(int dx, int dy); |
| |
| virtual QSize viewportSizeHint() const; |
| |
| 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; |
| friend class QWidgetPrivate; |
| }; |
| |
| #endif // QT_NO_SCROLLAREA |
| |
| QT_END_NAMESPACE |
| |
| #endif // QABSTRACTSCROLLAREA_H |