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39 
40 #ifndef QQUICKAPPLICATION_P_H
41 #define QQUICKAPPLICATION_P_H
42 
43 //
44 //  W A R N I N G
45 //  -------------
46 //
47 // This file is not part of the Qt API.  It exists purely as an
48 // implementation detail.  This header file may change from version to
49 // version without notice, or even be removed.
50 //
51 // We mean it.
52 //
53 
54 #include <QtCore/QObject>
55 #include <QtGui/QFont>
56 #include <qqml.h>
57 #include <QtQml/private/qqmlglobal_p.h>
58 #include <private/qtquickglobal_p.h>
59 #include "../items/qquickscreen_p.h"
60 
61 QT_BEGIN_NAMESPACE
62 
63 class Q_AUTOTEST_EXPORT QQuickApplication : public QQmlApplication
64 {
65     Q_OBJECT
66     Q_PROPERTY(bool active READ active NOTIFY activeChanged) // deprecated, use 'state' instead
67     Q_PROPERTY(Qt::LayoutDirection layoutDirection READ layoutDirection NOTIFY layoutDirectionChanged)
68     Q_PROPERTY(bool supportsMultipleWindows READ supportsMultipleWindows CONSTANT)
69     Q_PROPERTY(Qt::ApplicationState state READ state NOTIFY stateChanged)
70     Q_PROPERTY(QFont font READ font CONSTANT)
71     Q_PROPERTY(QString displayName READ displayName WRITE setDisplayName NOTIFY displayNameChanged)
72     Q_PROPERTY(QQmlListProperty<QQuickScreenInfo> screens READ screens NOTIFY screensChanged)
73 
74     QML_NAMED_ELEMENT(Application)
75     QML_UNCREATABLE("Application is an abstract class.")
76 
77 public:
78     explicit QQuickApplication(QObject *parent = nullptr);
79     virtual ~QQuickApplication();
80     bool active() const;
81     Qt::LayoutDirection layoutDirection() const;
82     bool supportsMultipleWindows() const;
83     Qt::ApplicationState state() const;
84     QFont font() const;
85     QQmlListProperty<QQuickScreenInfo> screens();
86     QString displayName() const;
87     void setDisplayName(const QString &displayName);
88 
89 Q_SIGNALS:
90     void activeChanged();
91     void displayNameChanged();
92     void layoutDirectionChanged();
93     void stateChanged(Qt::ApplicationState state);
94     void screensChanged();
95 
96 private Q_SLOTS:
97     void updateScreens();
98 
99 private:
100     Q_DISABLE_COPY(QQuickApplication)
101     QVector<QQuickScreenInfo *> m_screens;
102 };
103 
104 QT_END_NAMESPACE
105 
106 QML_DECLARE_TYPE(QQuickApplication)
107 
108 #endif // QQUICKAPPLICATION_P_H
109