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39
40#ifndef QDESKTOPWIDGET_H
41#define QDESKTOPWIDGET_H
42
43#include <QtWidgets/qtwidgetsglobal.h>
44#include <QtWidgets/qwidget.h>
45
46QT_BEGIN_NAMESPACE
47
48
49class QApplication;
50class QDesktopWidgetPrivate;
51
52class Q_WIDGETS_EXPORT QDesktopWidget : public QWidget
53{
54 Q_OBJECT
55 Q_PROPERTY(bool virtualDesktop READ isVirtualDesktop)
56 Q_PROPERTY(int screenCount READ screenCount NOTIFY screenCountChanged)
57 Q_PROPERTY(int primaryScreen READ primaryScreen NOTIFY primaryScreenChanged)
58public:
59 QDesktopWidget();
60 ~QDesktopWidget();
61
62 int screenNumber(const QWidget *widget = nullptr) const;
63 const QRect screenGeometry(const QWidget *widget) const;
64 const QRect availableGeometry(const QWidget *widget) const;
65
66#if QT_DEPRECATED_SINCE(5, 11)
67 QT_DEPRECATED_X("Use QScreen::virtualSiblings() of primary screen") bool isVirtualDesktop() const;
68
69 QT_DEPRECATED_X("Use QGuiApplication::screens()") int numScreens() const;
70 QT_DEPRECATED_X("Use QGuiApplication::screens()") int screenCount() const;
71 QT_DEPRECATED_X("Use QGuiApplication::primaryScreen()") int primaryScreen() const;
72
73 QT_DEPRECATED_X("Use QGuiApplication::screenAt()") int screenNumber(const QPoint &) const;
74
75 QT_DEPRECATED_X("Use QScreen") QWidget *screen(int screen = -1);
76
77 QT_DEPRECATED_X("Use QGuiApplication::screens()") const QRect screenGeometry(int screen = -1) const;
78 QT_DEPRECATED_X("Use QGuiApplication::screenAt()") const QRect screenGeometry(const QPoint &point) const
79 {
80QT_WARNING_PUSH
81QT_WARNING_DISABLE_DEPRECATED
82 return screenGeometry(screenNumber(point));
83QT_WARNING_POP
84 }
85
86 QT_DEPRECATED_X("Use QGuiApplication::screens()") const QRect availableGeometry(int screen = -1) const;
87 QT_DEPRECATED_X("Use QGuiApplication::screenAt()") const QRect availableGeometry(const QPoint &point) const
88 {
89QT_WARNING_PUSH
90QT_WARNING_DISABLE_DEPRECATED
91 return availableGeometry(screenNumber(point));
92QT_WARNING_POP
93 }
94
95Q_SIGNALS:
96 QT_DEPRECATED_X("Use QScreen::geometryChanged()") void resized(int);
97 QT_DEPRECATED_X("Use QScreen::availableGeometryChanged()") void workAreaResized(int);
98 QT_DEPRECATED_X("Use QGuiApplication::screenAdded/Removed()") void screenCountChanged(int);
99 QT_DEPRECATED_X("Use QGuiApplication::primaryScreenChanged()") void primaryScreenChanged();
100#endif
101
102protected:
103 void resizeEvent(QResizeEvent *e) override;
104
105private:
106 Q_DISABLE_COPY(QDesktopWidget)
107 Q_DECLARE_PRIVATE(QDesktopWidget)
108 Q_PRIVATE_SLOT(d_func(), void _q_updateScreens())
109 Q_PRIVATE_SLOT(d_func(), void _q_availableGeometryChanged())
110
111 friend class QApplication;
112 friend class QApplicationPrivate;
113};
114
115#if QT_DEPRECATED_SINCE(5, 11)
116inline int QDesktopWidget::screenCount() const
117{
118QT_WARNING_PUSH
119QT_WARNING_DISABLE_DEPRECATED
120 return numScreens();
121QT_WARNING_POP
122}
123#endif
124
125QT_END_NAMESPACE
126
127#endif // QDESKTOPWIDGET_H
128