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39
40#ifndef MOUSETHIEF_H
41#define MOUSETHIEF_H
42
43#include <QObject>
44#include <QPointer>
45#include <QtQuick/QQuickItem>
46
47class QQuickMouseThief : public QObject
48{
49 Q_OBJECT
50 Q_PROPERTY(bool receivedPressEvent READ receivedPressEvent
51 WRITE setReceivedPressEvent NOTIFY receivedPressEventChanged)
52public:
53 explicit QQuickMouseThief(QObject *parent = 0);
54
55 bool receivedPressEvent() const;
56 void setReceivedPressEvent(bool receivedPressEvent);
57
58 Q_INVOKABLE void grabMouse(QQuickItem *item);
59 Q_INVOKABLE void ungrabMouse();
60 Q_INVOKABLE void acceptCurrentEvent();
61signals:
62 /*!
63 Coordinates are relative to the window of mItem.
64 */
65 void pressed(int mouseX, int mouseY);
66
67 void released(int mouseX, int mouseY);
68
69 void clicked(int mouseX, int mouseY);
70
71 void touchUpdate(int mouseX, int mouseY);
72
73 void receivedPressEventChanged();
74
75 void handledEventChanged();
76protected:
77 bool eventFilter(QObject *obj, QEvent *event) override;
78private slots:
79 void itemWindowChanged(QQuickWindow *window);
80private:
81 void emitPressed(const QPointF &pos);
82 void emitReleased(const QPointF &pos);
83 void emitClicked(const QPointF &pos);
84
85 QPointer<QQuickItem> mItem;
86 bool mReceivedPressEvent;
87 bool mAcceptCurrentEvent;
88};
89
90#endif // MOUSETHIEF_H
91

source code of qtquickcontrols/src/extras/Private/qquickmousethief_p.h