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39 
40 #ifndef QSCREEN_H
41 #define QSCREEN_H
42 
43 #include <QtGui/qtguiglobal.h>
44 #include <QtCore/QList>
45 #include <QtCore/QObject>
46 #include <QtCore/QRect>
47 #include <QtCore/QSize>
48 #include <QtCore/QSizeF>
49 
50 #include <QtGui/QTransform>
51 
52 #include <QtCore/qnamespace.h>
53 
54 QT_BEGIN_NAMESPACE
55 
56 
57 class QPlatformScreen;
58 class QScreenPrivate;
59 class QWindow;
60 class QRect;
61 class QPixmap;
62 #ifndef QT_NO_DEBUG_STREAM
63 class QDebug;
64 #endif
65 
66 class Q_GUI_EXPORT QScreen : public QObject
67 {
68     Q_OBJECT
69     Q_DECLARE_PRIVATE(QScreen)
70 
71     Q_PROPERTY(QString name READ name CONSTANT)
72     Q_PROPERTY(QString manufacturer READ manufacturer CONSTANT)
73     Q_PROPERTY(QString model READ model CONSTANT)
74     Q_PROPERTY(QString serialNumber READ serialNumber CONSTANT)
75     Q_PROPERTY(int depth READ depth CONSTANT)
76     Q_PROPERTY(QSize size READ size NOTIFY geometryChanged)
77     Q_PROPERTY(QSize availableSize READ availableSize NOTIFY availableGeometryChanged)
78     Q_PROPERTY(QSize virtualSize READ virtualSize NOTIFY virtualGeometryChanged)
79     Q_PROPERTY(QSize availableVirtualSize READ availableVirtualSize NOTIFY virtualGeometryChanged)
80     Q_PROPERTY(QRect geometry READ geometry NOTIFY geometryChanged)
81     Q_PROPERTY(QRect availableGeometry READ availableGeometry NOTIFY availableGeometryChanged)
82     Q_PROPERTY(QRect virtualGeometry READ virtualGeometry NOTIFY virtualGeometryChanged)
83     Q_PROPERTY(QRect availableVirtualGeometry READ availableVirtualGeometry NOTIFY virtualGeometryChanged)
84     Q_PROPERTY(QSizeF physicalSize READ physicalSize NOTIFY physicalSizeChanged)
85     Q_PROPERTY(qreal physicalDotsPerInchX READ physicalDotsPerInchX NOTIFY physicalDotsPerInchChanged)
86     Q_PROPERTY(qreal physicalDotsPerInchY READ physicalDotsPerInchY NOTIFY physicalDotsPerInchChanged)
87     Q_PROPERTY(qreal physicalDotsPerInch READ physicalDotsPerInch NOTIFY physicalDotsPerInchChanged)
88     Q_PROPERTY(qreal logicalDotsPerInchX READ logicalDotsPerInchX NOTIFY logicalDotsPerInchChanged)
89     Q_PROPERTY(qreal logicalDotsPerInchY READ logicalDotsPerInchY NOTIFY logicalDotsPerInchChanged)
90     Q_PROPERTY(qreal logicalDotsPerInch READ logicalDotsPerInch NOTIFY logicalDotsPerInchChanged)
91     Q_PROPERTY(qreal devicePixelRatio READ devicePixelRatio NOTIFY physicalDotsPerInchChanged)
92     Q_PROPERTY(Qt::ScreenOrientation primaryOrientation READ primaryOrientation NOTIFY primaryOrientationChanged)
93     Q_PROPERTY(Qt::ScreenOrientation orientation READ orientation NOTIFY orientationChanged)
94     Q_PROPERTY(Qt::ScreenOrientation nativeOrientation READ nativeOrientation)
95     Q_PROPERTY(qreal refreshRate READ refreshRate NOTIFY refreshRateChanged)
96 
97 public:
98     ~QScreen();
99     QPlatformScreen *handle() const;
100 
101     QString name() const;
102 
103     QString manufacturer() const;
104     QString model() const;
105     QString serialNumber() const;
106 
107     int depth() const;
108 
109     QSize size() const;
110     QRect geometry() const;
111 
112     QSizeF physicalSize() const;
113 
114     qreal physicalDotsPerInchX() const;
115     qreal physicalDotsPerInchY() const;
116     qreal physicalDotsPerInch() const;
117 
118     qreal logicalDotsPerInchX() const;
119     qreal logicalDotsPerInchY() const;
120     qreal logicalDotsPerInch() const;
121 
122     qreal devicePixelRatio() const;
123 
124     QSize availableSize() const;
125     QRect availableGeometry() const;
126 
127     QList<QScreen *> virtualSiblings() const;
128     QScreen *virtualSiblingAt(QPoint point);
129 
130     QSize virtualSize() const;
131     QRect virtualGeometry() const;
132 
133     QSize availableVirtualSize() const;
134     QRect availableVirtualGeometry() const;
135 
136     Qt::ScreenOrientation primaryOrientation() const;
137     Qt::ScreenOrientation orientation() const;
138     Qt::ScreenOrientation nativeOrientation() const;
139 
140     Qt::ScreenOrientations orientationUpdateMask() const;
141     void setOrientationUpdateMask(Qt::ScreenOrientations mask);
142 
143     int angleBetween(Qt::ScreenOrientation a, Qt::ScreenOrientation b) const;
144     QTransform transformBetween(Qt::ScreenOrientation a, Qt::ScreenOrientation b, const QRect &target) const;
145     QRect mapBetween(Qt::ScreenOrientation a, Qt::ScreenOrientation b, const QRect &rect) const;
146 
147     bool isPortrait(Qt::ScreenOrientation orientation) const;
148     bool isLandscape(Qt::ScreenOrientation orientation) const;
149 
150     QPixmap grabWindow(WId window, int x = 0, int y = 0, int w = -1, int h = -1);
151 
152     qreal refreshRate() const;
153 
154 Q_SIGNALS:
155     void geometryChanged(const QRect &geometry);
156     void availableGeometryChanged(const QRect &geometry);
157     void physicalSizeChanged(const QSizeF &size);
158     void physicalDotsPerInchChanged(qreal dpi);
159     void logicalDotsPerInchChanged(qreal dpi);
160     void virtualGeometryChanged(const QRect &rect);
161     void primaryOrientationChanged(Qt::ScreenOrientation orientation);
162     void orientationChanged(Qt::ScreenOrientation orientation);
163     void refreshRateChanged(qreal refreshRate);
164 
165 private:
166     explicit QScreen(QPlatformScreen *screen);
167 
168     Q_DISABLE_COPY(QScreen)
169     friend class QGuiApplicationPrivate;
170     friend class QPlatformIntegration;
171     friend class QPlatformScreen;
172     friend class QHighDpiScaling;
173     friend class QWindowSystemInterface;
174 };
175 
176 #ifndef QT_NO_DEBUG_STREAM
177 Q_GUI_EXPORT QDebug operator<<(QDebug, const QScreen *);
178 #endif
179 
180 QT_END_NAMESPACE
181 
182 #endif // QSCREEN_H
183 
184