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39 
40 #ifndef QWIDGETWINDOW_P_H
41 #define QWIDGETWINDOW_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 <QtWidgets/private/qtwidgetsglobal_p.h>
55 #include <QtGui/qwindow.h>
56 
57 #include <QtCore/private/qobject_p.h>
58 #include <QtGui/private/qevent_p.h>
59 #include <QtWidgets/qwidget.h>
60 
61 QT_BEGIN_NAMESPACE
62 
63 
64 class QCloseEvent;
65 class QMoveEvent;
66 class QWidgetWindowPrivate;
67 
68 class QWidgetWindow : public QWindow
69 {
70     Q_OBJECT
71     Q_DECLARE_PRIVATE(QWidgetWindow)
72 public:
73     QWidgetWindow(QWidget *widget);
74     ~QWidgetWindow();
75 
widget()76     QWidget *widget() const { return m_widget; }
77 #ifndef QT_NO_ACCESSIBILITY
78     QAccessibleInterface *accessibleRoot() const override;
79 #endif
80 
81     QObject *focusObject() const override;
82     void setNativeWindowVisibility(bool visible);
83 protected:
84     bool event(QEvent *) override;
85 
86     void handleCloseEvent(QCloseEvent *);
87     void handleEnterLeaveEvent(QEvent *);
88     void handleFocusInEvent(QFocusEvent *);
89     void handleKeyEvent(QKeyEvent *);
90     void handleMouseEvent(QMouseEvent *);
91     void handleNonClientAreaMouseEvent(QMouseEvent *);
92     void handleTouchEvent(QTouchEvent *);
93     void handleMoveEvent(QMoveEvent *);
94     void handleResizeEvent(QResizeEvent *);
95 #if QT_CONFIG(wheelevent)
96     void handleWheelEvent(QWheelEvent *);
97 #endif
98 #if QT_CONFIG(draganddrop)
99     void handleDragEnterEvent(QDragEnterEvent *, QWidget *widget = nullptr);
100     void handleDragMoveEvent(QDragMoveEvent *);
101     void handleDragLeaveEvent(QDragLeaveEvent *);
102     void handleDropEvent(QDropEvent *);
103 #endif
104     void handleExposeEvent(QExposeEvent *);
105     void handleWindowStateChangedEvent(QWindowStateChangeEvent *event);
106 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
107     bool nativeEvent(const QByteArray &eventType, void *message, qintptr *result) override;
108 #else
109     bool nativeEvent(const QByteArray &eventType, void *message, long *result) override;
110 #endif
111 #if QT_CONFIG(tabletevent)
112     void handleTabletEvent(QTabletEvent *);
113 #endif
114 #ifndef QT_NO_GESTURES
115     void handleGestureEvent(QNativeGestureEvent *);
116 #endif
117 #ifndef QT_NO_CONTEXTMENU
118     void handleContextMenuEvent(QContextMenuEvent *);
119 #endif
120 
121 private slots:
122     void updateObjectName();
123     void handleScreenChange();
124 
125 private:
126     void repaintWindow();
127     bool updateSize();
128     void updateMargins();
129     void updateNormalGeometry();
130 
131     enum FocusWidgets {
132         FirstFocusWidget,
133         LastFocusWidget
134     };
135     QWidget *getFocusWidget(FocusWidgets fw);
136 
137     QPointer<QWidget> m_widget;
138     QPointer<QWidget> m_implicit_mouse_grabber;
139 #if QT_CONFIG(draganddrop)
140     QPointer<QWidget> m_dragTarget;
141 #endif
142 };
143 
144 QT_END_NAMESPACE
145 
146 #endif // QWIDGETWINDOW_P_H
147