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-/****************************************************************************
-**
-** Copyright (C) 2017 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the examples of the Qt Wayland module
-**
-** $QT_BEGIN_LICENSE:BSD$
-** 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.
-**
-** BSD License Usage
-** Alternatively, you may use this file under the terms of the BSD license
-** as follows:
-**
-** "Redistribution and use in source and binary forms, with or without
-** modification, are permitted provided that the following conditions are
-** met:
-** * Redistributions of source code must retain the above copyright
-** notice, this list of conditions and the following disclaimer.
-** * Redistributions in binary form must reproduce the above copyright
-** notice, this list of conditions and the following disclaimer in
-** the documentation and/or other materials provided with the
-** distribution.
-** * Neither the name of The Qt Company Ltd nor the names of its
-** contributors may be used to endorse or promote products derived
-** from this software without specific prior written permission.
-**
-**
-** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef COMPOSITORWINDOW_H
-#define COMPOSITORWINDOW_H
-
-#include <QOpenGLWindow>
-#include <QPointer>
-#include <QOpenGLTextureBlitter>
-
-QT_BEGIN_NAMESPACE
-
-class Compositor;
-class View;
-class QOpenGLTexture;
-
-class Window : public QOpenGLWindow
-{
-public:
- Window();
-
- void setCompositor(Compositor *comp);
-
-protected:
- void initializeGL() override;
- void paintGL() override;
-
- void mousePressEvent(QMouseEvent *e) override;
- void mouseReleaseEvent(QMouseEvent *e) override;
- void mouseMoveEvent(QMouseEvent *e) override;
-
- void keyPressEvent(QKeyEvent *e) override;
- void keyReleaseEvent(QKeyEvent *e) override;
-
-private slots:
- void startMove();
- void startResize(int edge, bool anchored);
- void startDrag(View *dragIcon);
-
-private:
- enum GrabState { NoGrab, MoveGrab, ResizeGrab, DragGrab };
-
- View *viewAt(const QPointF &point);
- bool mouseGrab() const { return m_grabState != NoGrab ;}
- void drawBackground();
- void sendMouseEvent(QMouseEvent *e, View *target);
- static QPointF getAnchoredPosition(const QPointF &anchorPosition, int resizeEdge, const QSize &windowSize);
- static QPointF getAnchorPosition(const QPointF &position, int resizeEdge, const QSize &windowSize);
-
- QOpenGLTextureBlitter m_textureBlitter;
- QSize m_backgroundImageSize;
- QOpenGLTexture *m_backgroundTexture = nullptr;
- Compositor *m_compositor = nullptr;
- QPointer<View> m_mouseView;
- GrabState m_grabState = NoGrab;
- QSize m_initialSize;
- int m_resizeEdge;
- bool m_resizeAnchored;
- QPointF m_resizeAnchorPosition;
- QPointF m_mouseOffset;
- QPointF m_initialMousePos;
- View *m_dragIconView = nullptr;
-};
-
-QT_END_NAMESPACE
-
-#endif // COMPOSITORWINDOW_H