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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 WINDOWCOMPOSITOR_H
#define WINDOWCOMPOSITOR_H
#include <QtWaylandCompositor/QWaylandCompositor>
#include <QtWaylandCompositor/QWaylandSurface>
#include <QtWaylandCompositor/QWaylandView>
#include <QtWaylandCompositor/QWaylandWlShellSurface>
#include <QtWaylandCompositor/QWaylandXdgSurfaceV5>
#include <QTimer>
#include <QOpenGLTextureBlitter>
QT_BEGIN_NAMESPACE
class QWaylandWlShell;
class QWaylandWlShellSurface;
class QWaylandXdgShellV5;
class QOpenGLTexture;
class Compositor;
class View : public QWaylandView
{
Q_OBJECT
public:
View(Compositor *compositor);
QOpenGLTexture *getTexture();
QOpenGLTextureBlitter::Origin textureOrigin() const;
QPointF position() const { return m_position; }
void setPosition(const QPointF &pos) { m_position = pos; }
QSize size() const;
bool isCursor() const;
bool hasShell() const { return m_wlShellSurface; }
void setParentView(View *parent) { m_parentView = parent; }
View *parentView() const { return m_parentView; }
QPointF parentPosition() const { return m_parentView ? (m_parentView->position() + m_parentView->parentPosition()) : QPointF(); }
QSize windowSize() { return m_xdgSurface ? m_xdgSurface->windowGeometry().size() : surface() ? surface()->destinationSize() : m_size; }
QPoint offset() const { return m_offset; }
qreal animationFactor() const {return m_animationFactor; }
void setAnimationFactor(qreal f) {m_animationFactor = f; }
signals:
void animationDone();
protected:
void timerEvent(QTimerEvent *event) override;
private:
friend class Compositor;
Compositor *m_compositor = nullptr;
GLenum m_textureTarget = GL_TEXTURE_2D;
QOpenGLTexture *m_texture = nullptr;
QOpenGLTextureBlitter::Origin m_origin;
QPointF m_position;
QSize m_size;
QWaylandWlShellSurface *m_wlShellSurface = nullptr;
QWaylandXdgSurfaceV5 *m_xdgSurface = nullptr;
QWaylandXdgPopupV5 *m_xdgPopup = nullptr;
View *m_parentView = nullptr;
QPoint m_offset;
qreal m_animationFactor = 1.0;
QBasicTimer m_animationTimer;
bool m_animationCountUp;
public slots:
void onXdgSetMaximized();
void onXdgUnsetMaximized();
void onXdgSetFullscreen(QWaylandOutput *output);
void onXdgUnsetFullscreen();
void onOffsetForNextFrame(const QPoint &offset);
void startAnimation(bool countUp);
void cancelAnimation();
};
class Compositor : public QWaylandCompositor
{
Q_OBJECT
public:
Compositor(QWindow *window);
~Compositor() override;
void create() override;
void startRender();
void endRender();
QList<View*> views() const { return m_views; }
void raise(View *view);
void handleMouseEvent(QWaylandView *target, QMouseEvent *me);
void handleResize(View *target, const QSize &initialSize, const QPoint &delta, int edge);
void handleDrag(View *target, QMouseEvent *me);
QWaylandClient *popupClient() const;
void closePopups();
protected:
void adjustCursorSurface(QWaylandSurface *surface, int hotspotX, int hotspotY);
signals:
void startMove();
void startResize(int edge, bool anchored);
void dragStarted(View *dragIcon);
void frameOffset(const QPoint &offset);
public slots:
void triggerRender();
private slots:
void surfaceHasContentChanged();
void surfaceDestroyed();
void viewSurfaceDestroyed();
void onStartMove();
void onWlStartResize(QWaylandSeat *seat, QWaylandWlShellSurface::ResizeEdge edges);
void onXdgStartResize(QWaylandSeat *seat, QWaylandXdgSurfaceV5::ResizeEdge edges);
void startDrag();
void onSurfaceCreated(QWaylandSurface *surface);
void onWlShellSurfaceCreated(QWaylandWlShellSurface *wlShellSurface);
void onXdgSurfaceCreated(QWaylandXdgSurfaceV5 *xdgSurface);
void onXdgPopupRequested(QWaylandSurface *surface, QWaylandSurface *parent, QWaylandSeat *seat,
const QPoint &position, const QWaylandResource &resource);
void onSetTransient(QWaylandSurface *parentSurface, const QPoint &relativeToParent, bool inactive);
void onSetPopup(QWaylandSeat *seat, QWaylandSurface *parent, const QPoint &relativeToParent);
void onSubsurfaceChanged(QWaylandSurface *child, QWaylandSurface *parent);
void onSubsurfacePositionChanged(const QPoint &position);
void updateCursor();
void viewAnimationDone();
private:
View *findView(const QWaylandSurface *s) const;
QWindow *m_window = nullptr;
QList<View*> m_views;
QWaylandWlShell *m_wlShell = nullptr;
QWaylandXdgShellV5 *m_xdgShell = nullptr;
QWaylandView m_cursorView;
int m_cursorHotspotX;
int m_cursorHotspotY;
};
QT_END_NAMESPACE
#endif // WINDOWCOMPOSITOR_H
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