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2 | ** |
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29 | |
30 | #ifndef DESKTOPINPUTSELECTIONCONTROL_P_H |
31 | #define DESKTOPINPUTSELECTIONCONTROL_P_H |
32 | |
33 | // |
34 | // W A R N I N G |
35 | // ------------- |
36 | // |
37 | // This file is not part of the Qt API. It exists purely as an |
38 | // implementation detail. This header file may change from version to |
39 | // version without notice, or even be removed. |
40 | // |
41 | // We mean it. |
42 | // |
43 | |
44 | #include <QtCore/qpointer.h> |
45 | #include <QtCore/qobject.h> |
46 | #include <QtGui/qimage.h> |
47 | #include <QtVirtualKeyboard/qvirtualkeyboard_global.h> |
48 | |
49 | QT_BEGIN_NAMESPACE |
50 | |
51 | class QMouseEvent; |
52 | class QVirtualKeyboardInputContext; |
53 | |
54 | namespace QtVirtualKeyboard { |
55 | |
56 | class InputSelectionHandle; |
57 | |
58 | class QVIRTUALKEYBOARD_EXPORT DesktopInputSelectionControl : public QObject |
59 | { |
60 | Q_OBJECT |
61 | |
62 | public: |
63 | DesktopInputSelectionControl(QObject *parent, QVirtualKeyboardInputContext *inputContext); |
64 | ~DesktopInputSelectionControl() {} |
65 | |
66 | void createHandles(); |
67 | void destroyHandles(); |
68 | void setEnabled(bool enable); |
69 | QImage *handleImage(); |
70 | |
71 | public Q_SLOTS: |
72 | void updateAnchorHandlePosition(); |
73 | void updateCursorHandlePosition(); |
74 | void updateVisibility(); |
75 | void reloadGraphics(); |
76 | protected: |
77 | bool eventFilter(QObject *object, QEvent *event) override; |
78 | |
79 | private: |
80 | QRect anchorHandleRect() const; |
81 | QRect cursorHandleRect() const; |
82 | QRect handleRectForCursorRect(const QRectF &cursorRect) const; |
83 | |
84 | private: |
85 | QVirtualKeyboardInputContext *m_inputContext; |
86 | QSharedPointer<InputSelectionHandle> m_anchorSelectionHandle; |
87 | QSharedPointer<InputSelectionHandle> m_cursorSelectionHandle; |
88 | QImage m_handleImage; |
89 | |
90 | enum { |
91 | HandleIsReleased = 0, |
92 | HandleIsHeld = 1, |
93 | HandleIsMoving = 2 |
94 | }; |
95 | enum HandleType { |
96 | AnchorHandle = 0, |
97 | CursorHandle = 1 |
98 | }; |
99 | |
100 | unsigned m_handleState : 2; |
101 | unsigned m_currentDragHandle : 1; |
102 | unsigned m_enabled : 1; |
103 | unsigned m_anchorHandleVisible : 1; |
104 | unsigned m_cursorHandleVisible : 1; |
105 | unsigned m_eventFilterEnabled : 1; |
106 | QPoint m_otherSelectionPoint; |
107 | QVector <QMouseEvent*> m_eventQueue; |
108 | QPoint m_distanceBetweenMouseAndCursor; |
109 | QPoint m_handleDragStartedPosition; |
110 | QSize m_handleWindowSize; |
111 | }; |
112 | } // namespace QtVirtualKeyboard |
113 | QT_END_NAMESPACE |
114 | |
115 | #endif // DESKTOPINPUTSELECTIONCONTROL_P_H |
116 | |