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50 | |
51 | #ifndef MASKEDMOUSEAREA_H |
52 | #define MASKEDMOUSEAREA_H |
53 | |
54 | #include <QImage> |
55 | #include <QQuickItem> |
56 | |
57 | |
58 | class MaskedMouseArea : public QQuickItem |
59 | { |
60 | Q_OBJECT |
61 | Q_PROPERTY(bool pressed READ isPressed NOTIFY pressedChanged) |
62 | Q_PROPERTY(bool containsMouse READ containsMouse NOTIFY containsMouseChanged) |
63 | Q_PROPERTY(QUrl maskSource READ maskSource WRITE setMaskSource NOTIFY maskSourceChanged) |
64 | Q_PROPERTY(qreal alphaThreshold READ alphaThreshold WRITE setAlphaThreshold NOTIFY alphaThresholdChanged) |
65 | QML_ELEMENT |
66 | |
67 | public: |
68 | MaskedMouseArea(QQuickItem *parent = 0); |
69 | |
70 | bool contains(const QPointF &point) const; |
71 | |
72 | bool isPressed() const { return m_pressed; } |
73 | bool containsMouse() const { return m_containsMouse; } |
74 | |
75 | QUrl maskSource() const { return m_maskSource; } |
76 | void setMaskSource(const QUrl &source); |
77 | |
78 | qreal alphaThreshold() const { return m_alphaThreshold; } |
79 | void setAlphaThreshold(qreal threshold); |
80 | |
81 | signals: |
82 | void pressed(); |
83 | void released(); |
84 | void clicked(); |
85 | void canceled(); |
86 | void pressedChanged(); |
87 | void maskSourceChanged(); |
88 | void containsMouseChanged(); |
89 | void alphaThresholdChanged(); |
90 | |
91 | protected: |
92 | void setPressed(bool pressed); |
93 | void setContainsMouse(bool containsMouse); |
94 | void mousePressEvent(QMouseEvent *event); |
95 | void mouseReleaseEvent(QMouseEvent *event); |
96 | void hoverEnterEvent(QHoverEvent *event); |
97 | void hoverLeaveEvent(QHoverEvent *event); |
98 | void mouseUngrabEvent(); |
99 | |
100 | private: |
101 | bool m_pressed; |
102 | QUrl m_maskSource; |
103 | QImage m_maskImage; |
104 | QPointF m_pressPoint; |
105 | qreal m_alphaThreshold; |
106 | bool m_containsMouse; |
107 | }; |
108 | |
109 | #endif |
110 | |