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     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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    16 ** GNU Lesser General Public License Usage

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    40 ****************************************************************************/

    41 

    42 #ifndef QABSTRACTSCROLLAREA_H

    43 #define QABSTRACTSCROLLAREA_H

    44 

    45 #include <QtGui/qframe.h>

    46 

    47 QT_BEGIN_HEADER

    48 

    49 QT_BEGIN_NAMESPACE

    50 

    51 QT_MODULE(Gui)

    52 

    53 #ifndef QT_NO_SCROLLAREA

    54 

    55 class QScrollBar;

    56 class QAbstractScrollAreaPrivate;

    57 

    58 class Q_GUI_EXPORT QAbstractScrollArea : public QFrame

    59 {

    60     Q_OBJECT

    61     Q_PROPERTY(Qt::ScrollBarPolicy verticalScrollBarPolicy READ verticalScrollBarPolicy WRITE setVerticalScrollBarPolicy)

    62     Q_PROPERTY(Qt::ScrollBarPolicy horizontalScrollBarPolicy READ horizontalScrollBarPolicy WRITE setHorizontalScrollBarPolicy)

    63 

    64 public:

    65     explicit QAbstractScrollArea(QWidget* parent=0);

    66     ~QAbstractScrollArea();

    67 

    68     Qt::ScrollBarPolicy verticalScrollBarPolicy() const;

    69     void setVerticalScrollBarPolicy(Qt::ScrollBarPolicy);

    70     QScrollBar *verticalScrollBar() const;

    71     void setVerticalScrollBar(QScrollBar *scrollbar);

    72 

    73     Qt::ScrollBarPolicy horizontalScrollBarPolicy() const;

    74     void setHorizontalScrollBarPolicy(Qt::ScrollBarPolicy);

    75     QScrollBar *horizontalScrollBar() const;

    76     void setHorizontalScrollBar(QScrollBar *scrollbar);

    77 

    78     QWidget *cornerWidget() const;

    79     void setCornerWidget(QWidget *widget);

    80 

    81     void addScrollBarWidget(QWidget *widget, Qt::Alignment alignment);

    82     QWidgetList scrollBarWidgets(Qt::Alignment alignment);

    83 

    84     QWidget *viewport() const;

    85     void setViewport(QWidget *widget);

    86     QSize maximumViewportSize() const;

    87 

    88     QSize minimumSizeHint() const;

    89 

    90     QSize sizeHint() const;

    91 

    92 protected Q_SLOTS:

    93     void setupViewport(QWidget *viewport);

    94 

    95 protected:

    96     QAbstractScrollArea(QAbstractScrollAreaPrivate &dd, QWidget *parent = 0);

    97     void setViewportMargins(int left, int top, int right, int bottom);

    98 

    99     bool event(QEvent *);

   100     virtual bool viewportEvent(QEvent *);

   101 

   102     void resizeEvent(QResizeEvent *);

   103     void paintEvent(QPaintEvent *);

   104     void mousePressEvent(QMouseEvent *);

   105     void mouseReleaseEvent(QMouseEvent *);

   106     void mouseDoubleClickEvent(QMouseEvent *);

   107     void mouseMoveEvent(QMouseEvent *);

   108 #ifndef QT_NO_WHEELEVENT

   109     void wheelEvent(QWheelEvent *);

   110 #endif

   111 #ifndef QT_NO_CONTEXTMENU

   112     void contextMenuEvent(QContextMenuEvent *);

   113 #endif

   114 #ifndef QT_NO_DRAGANDDROP

   115     void dragEnterEvent(QDragEnterEvent *);

   116     void dragMoveEvent(QDragMoveEvent *);

   117     void dragLeaveEvent(QDragLeaveEvent *);

   118     void dropEvent(QDropEvent *);

   119 #endif

   120 

   121     void keyPressEvent(QKeyEvent *);

   122 

   123     virtual void scrollContentsBy(int dx, int dy);

   124 

   125 private:

   126     Q_DECLARE_PRIVATE(QAbstractScrollArea)

   127     Q_DISABLE_COPY(QAbstractScrollArea)

   128     Q_PRIVATE_SLOT(d_func(), void _q_hslide(int))

   129     Q_PRIVATE_SLOT(d_func(), void _q_vslide(int))

   130     Q_PRIVATE_SLOT(d_func(), void _q_showOrHideScrollBars())

   131 

   132     friend class QStyleSheetStyle;

   133     friend class QWidgetPrivate;

   134 };

   135 

   136 #endif // QT_NO_SCROLLAREA

   137 

   138 QT_END_NAMESPACE

   139 

   140 QT_END_HEADER

   141 

   142 #endif // QABSTRACTSCROLLAREA_H