Qt 4.8
qdesktopwidget.h
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41 
42 #ifndef QDESKTOPWIDGET_H
43 #define QDESKTOPWIDGET_H
44 
45 #include <QtGui/qwidget.h>
46 
48 
50 
51 QT_MODULE(Gui)
52 
53 class QApplication;
55 
57 {
58  Q_OBJECT
62 public:
64  ~QDesktopWidget();
65 
66  bool isVirtualDesktop() const;
67 
68  int numScreens() const;
69  int screenCount() const;
70  int primaryScreen() const;
71 
72  int screenNumber(const QWidget *widget = 0) const;
73  int screenNumber(const QPoint &) const;
74 
75  QWidget *screen(int screen = -1);
76 
77  const QRect screenGeometry(int screen = -1) const;
78  const QRect screenGeometry(const QWidget *widget) const;
79  const QRect screenGeometry(const QPoint &point) const
80  { return screenGeometry(screenNumber(point)); }
81 
82  const QRect availableGeometry(int screen = -1) const;
83  const QRect availableGeometry(const QWidget *widget) const;
84  const QRect availableGeometry(const QPoint &point) const
85  { return availableGeometry(screenNumber(point)); }
86 
87 Q_SIGNALS:
88  void resized(int);
89  void workAreaResized(int);
90  void screenCountChanged(int);
91 
92 protected:
93  void resizeEvent(QResizeEvent *e);
94 
95 private:
98 
101 };
102 
103 inline int QDesktopWidget::screenCount() const
104 { return numScreens(); }
105 
107 
109 
110 #endif // QDESKTOPWIDGET_H
The QApplication class manages the GUI application&#39;s control flow and main settings.
Definition: qapplication.h:99
#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
virtual void resizeEvent(QResizeEvent *)
This event handler can be reimplemented in a subclass to receive widget resize events which are passe...
Definition: qwidget.cpp:9587
#define Q_DISABLE_COPY(Class)
Disables the use of copy constructors and assignment operators for the given Class.
Definition: qglobal.h:2523
#define Q_SIGNALS
Definition: qobjectdefs.h:72
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
The QResizeEvent class contains event parameters for resize events.
Definition: qevent.h:349
#define Q_OBJECT
Definition: qobjectdefs.h:157
const QRect availableGeometry(const QPoint &point) const
The QPoint class defines a point in the plane using integer precision.
Definition: qpoint.h:53
The QRect class defines a rectangle in the plane using integer precision.
Definition: qrect.h:58
#define Q_DECLARE_PRIVATE(Class)
Definition: qglobal.h:2467
const QRect screenGeometry(const QPoint &point) const
#define class
#define QT_END_HEADER
Definition: qglobal.h:137