| 1 | // Copyright (C) 2021 The Qt Company Ltd. |
|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only |
|---|
| 3 | |
|---|
| 4 | #ifndef DESKTOPINPUTSELECTIONCONTROL_P_H |
|---|
| 5 | #define DESKTOPINPUTSELECTIONCONTROL_P_H |
|---|
| 6 | |
|---|
| 7 | // |
|---|
| 8 | // W A R N I N G |
|---|
| 9 | // ------------- |
|---|
| 10 | // |
|---|
| 11 | // This file is not part of the Qt API. It exists purely as an |
|---|
| 12 | // implementation detail. This header file may change from version to |
|---|
| 13 | // version without notice, or even be removed. |
|---|
| 14 | // |
|---|
| 15 | // We mean it. |
|---|
| 16 | // |
|---|
| 17 | |
|---|
| 18 | #include <QtCore/qpointer.h> |
|---|
| 19 | #include <QtCore/qobject.h> |
|---|
| 20 | #include <QtGui/qimage.h> |
|---|
| 21 | #include <QtVirtualKeyboard/qvirtualkeyboard_global.h> |
|---|
| 22 | #include <QtCore/private/qglobal_p.h> |
|---|
| 23 | |
|---|
| 24 | QT_BEGIN_NAMESPACE |
|---|
| 25 | |
|---|
| 26 | class QMouseEvent; |
|---|
| 27 | class QVirtualKeyboardInputContext; |
|---|
| 28 | |
|---|
| 29 | namespace QtVirtualKeyboard { |
|---|
| 30 | |
|---|
| 31 | class InputSelectionHandle; |
|---|
| 32 | |
|---|
| 33 | class Q_VIRTUALKEYBOARD_EXPORT DesktopInputSelectionControl : public QObject |
|---|
| 34 | { |
|---|
| 35 | Q_OBJECT |
|---|
| 36 | |
|---|
| 37 | public: |
|---|
| 38 | DesktopInputSelectionControl(QObject *parent, QVirtualKeyboardInputContext *inputContext); |
|---|
| 39 | ~DesktopInputSelectionControl() {} |
|---|
| 40 | |
|---|
| 41 | void createHandles(); |
|---|
| 42 | void destroyHandles(); |
|---|
| 43 | void setEnabled(bool enable); |
|---|
| 44 | QImage *handleImage(); |
|---|
| 45 | |
|---|
| 46 | public Q_SLOTS: |
|---|
| 47 | void updateAnchorHandlePosition(); |
|---|
| 48 | void updateCursorHandlePosition(); |
|---|
| 49 | void updateVisibility(); |
|---|
| 50 | void reloadGraphics(); |
|---|
| 51 | protected: |
|---|
| 52 | bool eventFilter(QObject *object, QEvent *event) override; |
|---|
| 53 | |
|---|
| 54 | private: |
|---|
| 55 | QRect anchorHandleRect() const; |
|---|
| 56 | QRect cursorHandleRect() const; |
|---|
| 57 | QRect handleRectForCursorRect(const QRectF &cursorRect) const; |
|---|
| 58 | |
|---|
| 59 | private: |
|---|
| 60 | QVirtualKeyboardInputContext *m_inputContext; |
|---|
| 61 | QSharedPointer<InputSelectionHandle> m_anchorSelectionHandle; |
|---|
| 62 | QSharedPointer<InputSelectionHandle> m_cursorSelectionHandle; |
|---|
| 63 | QImage m_handleImage; |
|---|
| 64 | |
|---|
| 65 | enum { |
|---|
| 66 | HandleIsReleased = 0, |
|---|
| 67 | HandleIsHeld = 1, |
|---|
| 68 | HandleIsMoving = 2 |
|---|
| 69 | }; |
|---|
| 70 | enum HandleType { |
|---|
| 71 | AnchorHandle = 0, |
|---|
| 72 | CursorHandle = 1 |
|---|
| 73 | }; |
|---|
| 74 | |
|---|
| 75 | unsigned m_handleState : 2; |
|---|
| 76 | unsigned m_currentDragHandle : 1; |
|---|
| 77 | unsigned m_enabled : 1; |
|---|
| 78 | unsigned m_anchorHandleVisible : 1; |
|---|
| 79 | unsigned m_cursorHandleVisible : 1; |
|---|
| 80 | unsigned m_eventFilterEnabled : 1; |
|---|
| 81 | QPoint m_otherSelectionPoint; |
|---|
| 82 | QList<QMouseEvent*> m_eventQueue; |
|---|
| 83 | QPoint m_distanceBetweenMouseAndCursor; |
|---|
| 84 | QPoint m_handleDragStartedPosition; |
|---|
| 85 | QSize m_handleWindowSize; |
|---|
| 86 | }; |
|---|
| 87 | } // namespace QtVirtualKeyboard |
|---|
| 88 | QT_END_NAMESPACE |
|---|
| 89 | |
|---|
| 90 | #endif // DESKTOPINPUTSELECTIONCONTROL_P_H |
|---|
| 91 | |
|---|
