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39
40#ifndef QQUICKMOUSEAREA_P_H
41#define QQUICKMOUSEAREA_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 "qquickitem.h"
55#include <private/qtquickglobal_p.h>
56#include <QtCore/qstringlist.h>
57
58QT_BEGIN_NAMESPACE
59
60class QQuickMouseEvent;
61class QQuickDrag;
62class QQuickMouseAreaPrivate;
63class QQuickWheelEvent;
64// used in Qt Location
65class Q_QUICK_PRIVATE_EXPORT QQuickMouseArea : public QQuickItem
66{
67 Q_OBJECT
68
69 Q_PROPERTY(qreal mouseX READ mouseX NOTIFY mouseXChanged)
70 Q_PROPERTY(qreal mouseY READ mouseY NOTIFY mouseYChanged)
71 Q_PROPERTY(bool containsMouse READ hovered NOTIFY hoveredChanged)
72 Q_PROPERTY(bool pressed READ pressed NOTIFY pressedChanged)
73 Q_PROPERTY(bool enabled READ isEnabled WRITE setEnabled NOTIFY enabledChanged)
74 Q_PROPERTY(bool scrollGestureEnabled READ isScrollGestureEnabled WRITE setScrollGestureEnabled NOTIFY scrollGestureEnabledChanged REVISION 5)
75 Q_PROPERTY(Qt::MouseButtons pressedButtons READ pressedButtons NOTIFY pressedButtonsChanged)
76 Q_PROPERTY(Qt::MouseButtons acceptedButtons READ acceptedButtons WRITE setAcceptedButtons NOTIFY acceptedButtonsChanged)
77 Q_PROPERTY(bool hoverEnabled READ hoverEnabled WRITE setHoverEnabled NOTIFY hoverEnabledChanged)
78#if QT_CONFIG(quick_draganddrop)
79 Q_PROPERTY(QQuickDrag *drag READ drag CONSTANT) //### add flicking to QQuickDrag or add a QQuickFlick ???
80#endif
81 Q_PROPERTY(bool preventStealing READ preventStealing WRITE setPreventStealing NOTIFY preventStealingChanged)
82 Q_PROPERTY(bool propagateComposedEvents READ propagateComposedEvents WRITE setPropagateComposedEvents NOTIFY propagateComposedEventsChanged)
83#if QT_CONFIG(cursor)
84 Q_PROPERTY(Qt::CursorShape cursorShape READ cursorShape WRITE setCursorShape RESET unsetCursor NOTIFY cursorShapeChanged)
85#endif
86 Q_PROPERTY(bool containsPress READ containsPress NOTIFY containsPressChanged REVISION 4)
87 Q_PROPERTY(int pressAndHoldInterval READ pressAndHoldInterval WRITE setPressAndHoldInterval NOTIFY pressAndHoldIntervalChanged RESET resetPressAndHoldInterval REVISION 9)
88 QML_NAMED_ELEMENT(MouseArea)
89
90public:
91 QQuickMouseArea(QQuickItem *parent=nullptr);
92 ~QQuickMouseArea();
93
94 qreal mouseX() const;
95 qreal mouseY() const;
96
97 bool isEnabled() const;
98 void setEnabled(bool);
99
100 bool isScrollGestureEnabled() const;
101 void setScrollGestureEnabled(bool);
102
103 bool hovered() const;
104 bool pressed() const;
105 bool containsPress() const;
106
107 Qt::MouseButtons pressedButtons() const;
108
109 Qt::MouseButtons acceptedButtons() const;
110 void setAcceptedButtons(Qt::MouseButtons buttons);
111
112 bool hoverEnabled() const;
113 void setHoverEnabled(bool h);
114
115#if QT_CONFIG(quick_draganddrop)
116 QQuickDrag *drag();
117#endif
118
119 bool preventStealing() const;
120 void setPreventStealing(bool prevent);
121
122 bool propagateComposedEvents() const;
123 void setPropagateComposedEvents(bool propagate);
124
125#if QT_CONFIG(cursor)
126 Qt::CursorShape cursorShape() const;
127 void setCursorShape(Qt::CursorShape shape);
128#endif
129
130 int pressAndHoldInterval() const;
131 void setPressAndHoldInterval(int interval);
132 void resetPressAndHoldInterval();
133
134Q_SIGNALS:
135 void hoveredChanged();
136 void pressedChanged();
137 void enabledChanged();
138 Q_REVISION(5) void scrollGestureEnabledChanged();
139 void pressedButtonsChanged();
140 void acceptedButtonsChanged();
141 void hoverEnabledChanged();
142#if QT_CONFIG(cursor)
143 void cursorShapeChanged();
144#endif
145 void positionChanged(QQuickMouseEvent *mouse);
146 void mouseXChanged(QQuickMouseEvent *mouse);
147 void mouseYChanged(QQuickMouseEvent *mouse);
148 void preventStealingChanged();
149 void propagateComposedEventsChanged();
150
151 void pressed(QQuickMouseEvent *mouse);
152 void pressAndHold(QQuickMouseEvent *mouse);
153 void released(QQuickMouseEvent *mouse);
154 void clicked(QQuickMouseEvent *mouse);
155 void doubleClicked(QQuickMouseEvent *mouse);
156 void wheel(QQuickWheelEvent *wheel);
157 void entered();
158 void exited();
159 void canceled();
160 Q_REVISION(4) void containsPressChanged();
161 Q_REVISION(9) void pressAndHoldIntervalChanged();
162
163protected:
164 void setHovered(bool);
165 bool setPressed(Qt::MouseButton button, bool p, Qt::MouseEventSource source);
166 bool sendMouseEvent(QMouseEvent *event);
167
168 void mousePressEvent(QMouseEvent *event) override;
169 void mouseReleaseEvent(QMouseEvent *event) override;
170 void mouseDoubleClickEvent(QMouseEvent *event) override;
171 void mouseMoveEvent(QMouseEvent *event) override;
172 void mouseUngrabEvent() override;
173 void touchUngrabEvent() override;
174 void hoverEnterEvent(QHoverEvent *event) override;
175 void hoverMoveEvent(QHoverEvent *event) override;
176 void hoverLeaveEvent(QHoverEvent *event) override;
177#if QT_CONFIG(wheelevent)
178 void wheelEvent(QWheelEvent *event) override;
179#endif
180 bool childMouseEventFilter(QQuickItem *i, QEvent *e) override;
181 void timerEvent(QTimerEvent *event) override;
182 void windowDeactivateEvent() override;
183
184 void geometryChanged(const QRectF &newGeometry,
185 const QRectF &oldGeometry) override;
186 void itemChange(ItemChange change, const ItemChangeData& value) override;
187 QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *) override;
188
189private:
190 void handlePress();
191 void handleRelease();
192 void ungrabMouse();
193
194private:
195 Q_DISABLE_COPY(QQuickMouseArea)
196 Q_DECLARE_PRIVATE(QQuickMouseArea)
197};
198
199QT_END_NAMESPACE
200
201QML_DECLARE_TYPE(QQuickMouseArea)
202
203#endif // QQUICKMOUSEAREA_P_H
204

source code of qtdeclarative/src/quick/items/qquickmousearea_p.h