| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt Virtual Keyboard module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
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| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 3 or (at your option) any later version |
| ** approved by the KDE Free Qt Foundation. The licenses are as published by |
| ** the Free Software Foundation and appearing in the file LICENSE.GPL3 |
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| ****************************************************************************/ |
| |
| #ifndef DESKTOPINPUTSELECTIONCONTROL_P_H |
| #define DESKTOPINPUTSELECTIONCONTROL_P_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include <QtCore/qpointer.h> |
| #include <QtCore/qobject.h> |
| #include <QtGui/qimage.h> |
| #include <QtVirtualKeyboard/qvirtualkeyboard_global.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QMouseEvent; |
| class QVirtualKeyboardInputContext; |
| |
| namespace QtVirtualKeyboard { |
| |
| class InputSelectionHandle; |
| |
| class QVIRTUALKEYBOARD_EXPORT DesktopInputSelectionControl : public QObject |
| { |
| Q_OBJECT |
| |
| public: |
| DesktopInputSelectionControl(QObject *parent, QVirtualKeyboardInputContext *inputContext); |
| ~DesktopInputSelectionControl() {} |
| |
| void createHandles(); |
| void destroyHandles(); |
| void setEnabled(bool enable); |
| QImage *handleImage(); |
| |
| public Q_SLOTS: |
| void updateAnchorHandlePosition(); |
| void updateCursorHandlePosition(); |
| void updateVisibility(); |
| void reloadGraphics(); |
| protected: |
| bool eventFilter(QObject *object, QEvent *event) override; |
| |
| private: |
| QRect anchorHandleRect() const; |
| QRect cursorHandleRect() const; |
| QRect handleRectForCursorRect(const QRectF &cursorRect) const; |
| |
| private: |
| QVirtualKeyboardInputContext *m_inputContext; |
| QSharedPointer<InputSelectionHandle> m_anchorSelectionHandle; |
| QSharedPointer<InputSelectionHandle> m_cursorSelectionHandle; |
| QImage m_handleImage; |
| |
| enum { |
| HandleIsReleased = 0, |
| HandleIsHeld = 1, |
| HandleIsMoving = 2 |
| }; |
| enum HandleType { |
| AnchorHandle = 0, |
| CursorHandle = 1 |
| }; |
| |
| unsigned m_handleState : 2; |
| unsigned m_currentDragHandle : 1; |
| unsigned m_enabled : 1; |
| unsigned m_anchorHandleVisible : 1; |
| unsigned m_cursorHandleVisible : 1; |
| unsigned m_eventFilterEnabled : 1; |
| QPoint m_otherSelectionPoint; |
| QVector <QMouseEvent*> m_eventQueue; |
| QPoint m_distanceBetweenMouseAndCursor; |
| QPoint m_handleDragStartedPosition; |
| QSize m_handleWindowSize; |
| }; |
| } // namespace QtVirtualKeyboard |
| QT_END_NAMESPACE |
| |
| #endif // DESKTOPINPUTSELECTIONCONTROL_P_H |