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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Wayland module
**
** $QT_BEGIN_LICENSE:BSD$
** 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/QWaylandXdgSurface>
#include <QTimer>
QT_BEGIN_NAMESPACE
class QWaylandWlShell;
class QWaylandWlShellSurface;
class QWaylandXdgShell;
class View : public QWaylandView
{
Q_OBJECT
public:
View();
GLuint getTexture(GLenum *target = 0);
QPointF position() const { return m_position; }
void setPosition(const QPointF &pos) { m_position = pos; }
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()->size(); }
QPoint offset() const { return m_offset; }
private:
friend class Compositor;
GLenum m_textureTarget;
GLuint m_texture;
QPointF m_position;
QWaylandWlShellSurface *m_wlShellSurface;
QWaylandXdgSurface *m_xdgSurface;
QWaylandXdgPopup *m_xdgPopup;
View *m_parentView;
QPoint m_offset;
public slots:
void onXdgSetMaximized();
void onXdgUnsetMaximized();
void onXdgSetFullscreen(QWaylandOutput *output);
void onXdgUnsetFullscreen();
void onOffsetForNextFrame(const QPoint &offset);
};
class Compositor : public QWaylandCompositor
{
Q_OBJECT
public:
Compositor(QWindow *window);
~Compositor();
void create() Q_DECL_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);
bool popupActive() const { return !m_popupViews.isEmpty(); }
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);
private slots:
void surfaceMappedChanged();
void surfaceDestroyed();
void viewSurfaceDestroyed();
void onStartMove();
void onWlStartResize(QWaylandInputDevice *inputDevice, QWaylandWlShellSurface::ResizeEdge edges);
void onXdgStartResize(QWaylandInputDevice *inputDevice, QWaylandXdgSurface::ResizeEdge edges);
void startDrag();
void triggerRender();
void onSurfaceCreated(QWaylandSurface *surface);
void onWlShellSurfaceCreated(QWaylandWlShellSurface *wlShellSurface);
void onXdgSurfaceCreated(QWaylandXdgSurface *xdgSurface);
void onCreateXdgPopup(QWaylandSurface *surface, QWaylandSurface *parent, QWaylandInputDevice *inputDevice,
const QPoint &position, const QWaylandResource &resource);
void onSetTransient(QWaylandSurface *parentSurface, const QPoint &relativeToParent, QWaylandWlShellSurface::FocusPolicy focusPolicy);
void onSetPopup(QWaylandInputDevice *inputDevice, QWaylandSurface *parent, const QPoint &relativeToParent);
void onSubsurfaceChanged(QWaylandSurface *child, QWaylandSurface *parent);
void onSubsurfacePositionChanged(const QPoint &position);
void updateCursor();
private:
View *findView(const QWaylandSurface *s) const;
QWindow *m_window;
QList<View*> m_views;
QList<View*> m_popupViews;
QWaylandWlShell *m_wlShell;
QWaylandXdgShell *m_xdgShell;
QWaylandView m_cursorView;
int m_cursorHotspotX;
int m_cursorHotspotY;
};
QT_END_NAMESPACE
#endif // WINDOWCOMPOSITOR_H
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