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-/****************************************************************************
-**
-** 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
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** 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
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef DESKTOPINPUTSELECTIONCONTROL_H
-#define DESKTOPINPUTSELECTIONCONTROL_H
-
-#include <QtCore/qpointer.h>
-#include <QtCore/qobject.h>
-#include <QtGui/qimage.h>
-
-QT_BEGIN_NAMESPACE
-class QMouseEvent;
-QT_END_NAMESPACE
-
-namespace QtVirtualKeyboard {
-class InputContext;
-class InputSelectionHandle;
-
-class DesktopInputSelectionControl : public QObject
-{
- Q_OBJECT
-
-public:
- DesktopInputSelectionControl(QObject *parent, InputContext *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);
-
-private:
- QRect anchorHandleRect() const;
- QRect cursorHandleRect() const;
- QRect handleRectForCursorRect(const QRectF &cursorRect) const;
-
-private:
- InputContext *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
-
-#endif // DESKTOPINPUTSELECTIONCONTROL_H