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+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Digia. For licensing terms and
+** conditions see http://qt.digia.com/licensing. For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights. These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QEGLPLATFORMCURSOR_H
+#define QEGLPLATFORMCURSOR_H
+
+#include <qpa/qplatformcursor.h>
+#include <qpa/qplatformscreen.h>
+
+QT_BEGIN_NAMESPACE
+
+class QOpenGLShaderProgram;
+
+class QEGLPlatformCursor : public QPlatformCursor
+{
+public:
+ QEGLPlatformCursor(QPlatformScreen *screen);
+ ~QEGLPlatformCursor();
+
+#ifndef QT_NO_CURSOR
+ void changeCursor(QCursor *cursor, QWindow *widget) Q_DECL_OVERRIDE;
+#endif
+ void pointerEvent(const QMouseEvent &event) Q_DECL_OVERRIDE;
+ QPoint pos() const Q_DECL_OVERRIDE;
+ void setPos(const QPoint &pos) Q_DECL_OVERRIDE;
+
+ QRect cursorRect() const;
+ void paintOnScreen();
+ void resetResources();
+
+private:
+#ifndef QT_NO_CURSOR
+ bool setCurrentCursor(QCursor *cursor);
+#endif
+ void draw(const QRectF &rect);
+ void update(const QRegion &region);
+ void createShaderPrograms();
+ static void createCursorTexture(uint *texture, const QImage &image);
+ void initCursorAtlas();
+
+ // current cursor information
+ struct Cursor {
+ Cursor() : texture(0), shape(Qt::BlankCursor), customCursorTexture(0), customCursorPending(false) { }
+ uint texture; // a texture from 'image' or the atlas
+ Qt::CursorShape shape;
+ QRectF textureRect; // normalized rect inside texture
+ QSize size; // size of the cursor
+ QPoint hotSpot;
+ QImage customCursorImage;
+ QPoint pos; // current cursor position
+ uint customCursorTexture;
+ bool customCursorPending;
+ } m_cursor;
+
+ // cursor atlas information
+ struct CursorAtlas {
+ CursorAtlas() : cursorsPerRow(0), texture(0), cursorWidth(0), cursorHeight(0) { }
+ int cursorsPerRow;
+ uint texture;
+ int width, height; // width and height of the the atlas
+ int cursorWidth, cursorHeight; // width and height of cursors inside the atlas
+ QList<QPoint> hotSpots;
+ QImage image; // valid until it's uploaded
+ } m_cursorAtlas;
+
+ bool m_visible;
+ QPlatformScreen *m_screen;
+ QOpenGLShaderProgram *m_program;
+ int m_vertexCoordEntry;
+ int m_textureCoordEntry;
+ int m_textureEntry;
+};
+
+QT_END_NAMESPACE
+
+#endif // QEGLPLATFORMCURSOR_H