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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/QWaylandShellSurface>
+#include <QTimer>
+
+QT_BEGIN_NAMESPACE
+
+class QWaylandShell;
+class QWaylandShellSurface;
+
+class WindowCompositorView : public QWaylandView
+{
+ Q_OBJECT
+public:
+ WindowCompositorView() : m_texture(0), m_shellSurface(0) {}
+ GLuint getTexture();
+ QPointF position() const { return m_position; }
+ void setPosition(const QPointF &pos) { m_position = pos; }
+ bool isCursor() const;
+ bool hasShell() const { return m_shellSurface; }
+private:
+ friend class WindowCompositor;
+ GLuint m_texture;
+ QPointF m_position;
+ QWaylandShellSurface *m_shellSurface;
+};
+
+class WindowCompositor : public QWaylandCompositor
+{
+ Q_OBJECT
+public:
+ WindowCompositor(QWindow *window);
+ ~WindowCompositor();
+ void create() Q_DECL_OVERRIDE;
+
+ void startRender();
+ void endRender();
+
+ QList<WindowCompositorView*> views() const { return m_views; }
+ void raise(WindowCompositorView *view);
+
+ void handleMouseEvent(QWaylandView *target, QMouseEvent *me);
+ void handleResize(WindowCompositorView *target, const QSize &initialSize, const QPoint &delta, int edge);
+ void handleDrag(WindowCompositorView *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);
+ void dragStarted(WindowCompositorView *dragIcon);
+ void frameOffset(const QPoint &offset);
+
+private slots:
+ void surfaceMappedChanged();
+ void surfaceDestroyed();
+ void surfaceCommittedSlot();
+ void viewSurfaceDestroyed();
+ void onStartMove();
+ void onStartResize(QWaylandInputDevice *inputDevice, QWaylandShellSurface::ResizeEdge edges);
+
+ void startDrag();
+
+ void triggerRender();
+
+ void onSurfaceCreated(QWaylandSurface *surface);
+ void onCreateShellSurface(QWaylandSurface *s, QWaylandClient *client, uint id);
+ void onSetTransient(QWaylandSurface *parentSurface, const QPoint &relativeToParent, QWaylandShellSurface::FocusPolicy focusPolicy);
+ void onSetPopup(QWaylandInputDevice *inputDevice, QWaylandSurface *parent, const QPoint &relativeToParent);
+
+ void updateCursor();
+private:
+ WindowCompositorView *findView(const QWaylandSurface *s) const;
+ QWindow *m_window;
+ QList<WindowCompositorView*> m_views;
+ QList<WindowCompositorView*> m_popupViews;
+ QWaylandShell *m_shell;
+ QWaylandView m_cursorView;
+ int m_cursorHotspotX;
+ int m_cursorHotspotY;
+};
+
+
+QT_END_NAMESPACE
+
+#endif // WINDOWCOMPOSITOR_H