Qt 4.8
qscrollarea.h
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41 
42 #ifndef QSCROLLAREA_H
43 #define QSCROLLAREA_H
44 
45 #include <QtGui/qabstractscrollarea.h>
46 
48 
50 
51 QT_MODULE(Gui)
52 
53 #ifndef QT_NO_SCROLLAREA
54 
55 class QScrollAreaPrivate;
56 
58 {
59  Q_OBJECT
61  Qt::Alignment alignment;
62 
63 public:
64  explicit QScrollArea(QWidget* parent=0);
65  ~QScrollArea();
66 
67  QWidget *widget() const;
68  void setWidget(QWidget *widget);
69  QWidget *takeWidget();
70 
71  bool widgetResizable() const;
72  void setWidgetResizable(bool resizable);
73 
74  QSize sizeHint() const;
75  bool focusNextPrevChild(bool next);
76 
77  Qt::Alignment alignment() const;
78  void setAlignment(Qt::Alignment);
79 
80  void ensureVisible(int x, int y, int xmargin = 50, int ymargin = 50);
81  void ensureWidgetVisible(QWidget *childWidget, int xmargin = 50, int ymargin = 50);
82 
83 protected:
84  QScrollArea(QScrollAreaPrivate &dd, QWidget *parent = 0);
85  bool event(QEvent *);
86  bool eventFilter(QObject *, QEvent *);
87  void resizeEvent(QResizeEvent *);
88  void scrollContentsBy(int dx, int dy);
89 
90 private:
93 };
94 
95 #endif // QT_NO_SCROLLAREA
96 
98 
100 
101 #endif // QSCROLLAREA_H
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
QPointer< QWidget > widget
#define QT_MODULE(x)
Definition: qglobal.h:2783
#define QT_BEGIN_HEADER
Definition: qglobal.h:136
#define Q_GUI_EXPORT
Definition: qglobal.h:1450
The QWidget class is the base class of all user interface objects.
Definition: qwidget.h:150
#define Q_DISABLE_COPY(Class)
Disables the use of copy constructors and assignment operators for the given Class.
Definition: qglobal.h:2523
The QAbstractScrollArea widget provides a scrolling area with on-demand scroll bars.
The QObject class is the base class of all Qt objects.
Definition: qobject.h:111
The QScrollArea class provides a scrolling view onto another widget.
Definition: qscrollarea.h:57
void resizeEvent(QResizeEvent *)
This event handler can be reimplemented in a subclass to receive resize events (passed in event)...
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
Qt::Alignment alignment
the alignment of the scroll area&#39;s widget
Definition: qscrollarea.h:61
The QResizeEvent class contains event parameters for resize events.
Definition: qevent.h:349
#define Q_OBJECT
Definition: qobjectdefs.h:157
virtual bool eventFilter(QObject *, QEvent *)
Filters events if this object has been installed as an event filter for the watched object...
Definition: qobject.cpp:1375
virtual bool focusNextPrevChild(bool next)
Finds a new widget to give the keyboard focus to, as appropriate for Tab and Shift+Tab, and returns true if it can find a new widget, or false if it can&#39;t.
Definition: qwidget.cpp:6836
virtual void scrollContentsBy(int dx, int dy)
This virtual handler is called when the scroll bars are moved by dx, dy, and consequently the viewpor...
bool event(QEvent *)
Reimplemented Function
The QSize class defines the size of a two-dimensional object using integer point precision.
Definition: qsize.h:53
#define Q_DECLARE_PRIVATE(Class)
Definition: qglobal.h:2467
The QEvent class is the base class of all event classes.
Definition: qcoreevent.h:56
#define QT_END_HEADER
Definition: qglobal.h:137
bool widgetResizable
whether the scroll area should resize the view widget
Definition: qscrollarea.h:60
QSize sizeHint() const
Reimplemented Function