/**************************************************************************** ** ** Copyright (C) 2012 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 QEGLFSCURSOR_H #define QEGLFSCURSOR_H #include #include "qeglfsscreen.h" #include QT_BEGIN_NAMESPACE class QOpenGLShaderProgram; class QEglFSScreen; class QEglFSCursor : public QPlatformCursor { public: QEglFSCursor(QEglFSScreen *screen); ~QEglFSCursor(); void changeCursor(QCursor *cursor, QWindow *widget) Q_DECL_OVERRIDE; 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; virtual void paintOnScreen(); protected: bool setCurrentCursor(QCursor *cursor); void draw(const QRectF &rect); void update(const QRegion ®ion); QEglFSScreen *m_screen; // current cursor information struct Cursor { Cursor() : texture(0), shape(Qt::BlankCursor), customCursorTexture(0) { } 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; } m_cursor; private: void createShaderPrograms(); static void createCursorTexture(uint *texture, const QImage &image); void initCursorAtlas(); // 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 hotSpots; QImage image; // valid until it's uploaded } m_cursorAtlas; GLuint m_program; int m_vertexCoordEntry; int m_textureCoordEntry; int m_textureEntry; }; QT_END_NAMESPACE #endif // QEGLFSCURSOR_H