compositor.h Example File

/**************************************************************************** ** ** Copyright (C) 2017 The Qt Company Ltd. ** Contact: ** ** 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 For further ** information use the contact form at ** ** 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> 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()->size() : 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); private: friend class Compositor; Compositor *m_compositor; GLenum m_textureTarget; QOpenGLTexture *m_texture; QOpenGLTextureBlitter::Origin m_origin; QPointF m_position; QSize m_size; QWaylandWlShellSurface *m_wlShellSurface; QWaylandXdgSurfaceV5 *m_xdgSurface; QWaylandXdgPopupV5 *m_xdgPopup; View *m_parentView; QPoint m_offset; qreal m_animationFactor; 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(); 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; QList<View*> m_views; QWaylandWlShell *m_wlShell; QWaylandXdgShellV5 *m_xdgShell; QWaylandView m_cursorView; int m_cursorHotspotX; int m_cursorHotspotY; }; #endif // WINDOWCOMPOSITOR_H

© 2018 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.