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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
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**
**
**
****************************************************************************/
#ifndef QEGLFSCURSOR_H
#define QEGLFSCURSOR_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qeglfsglobal_p.h"
#include <qpa/qplatformcursor.h>
#include <qpa/qplatformscreen.h>
#include <QtGui/QMatrix4x4>
#include <QtGui/QOpenGLFunctions>
#include <QtGui/QOpenGLShaderProgram>
#include <QtGui/private/qinputdevicemanager_p.h>
#include <QtCore/qvector.h>
QT_BEGIN_NAMESPACE
class QOpenGLShaderProgram;
class QEglFSCursor;
class QEglFSScreen;
class QEglFSCursorDeviceListener : public QObject
{
Q_OBJECT
public:
QEglFSCursorDeviceListener(QEglFSCursor *cursor) : m_cursor(cursor) { }
bool hasMouse() const;
public slots:
void onDeviceListChanged(QInputDeviceManager::DeviceType type);
private:
QEglFSCursor *m_cursor;
};
#if QT_CONFIG(opengl)
struct QEglFSCursorData {
QScopedPointer<QOpenGLShaderProgram> program;
int textureEntry = 0;
int matEntry = 0;
uint customCursorTexture = 0;
uint atlasTexture = 0;
qint64 customCursorKey = 0;
};
class Q_EGLFS_EXPORT QEglFSCursor : public QPlatformCursor
, protected QOpenGLFunctions
{
Q_OBJECT
public:
QEglFSCursor(QPlatformScreen *screen);
~QEglFSCursor();
#ifndef QT_NO_CURSOR
void changeCursor(QCursor *cursor, QWindow *widget) override;
#endif
void pointerEvent(const QMouseEvent &event) override;
QPoint pos() const override;
void setPos(const QPoint &pos) override;
QRect cursorRect() const;
void paintOnScreen();
void resetResources();
void updateMouseStatus();
private:
bool event(QEvent *e) override;
#ifndef QT_NO_CURSOR
bool setCurrentCursor(QCursor *cursor);
#endif
void draw(const QRectF &rect);
void update(const QRect &rect, bool allScreens);
void createShaderPrograms();
void createCursorTexture(uint *texture, const QImage &image);
void initCursorAtlas();
// current cursor information
struct Cursor {
Cursor() : shape(Qt::BlankCursor), customCursorPending(false), customCursorKey(0), useCustomCursor(false) { }
Qt::CursorShape shape;
QRectF textureRect; // normalized rect inside texture
QSize size; // size of the cursor
QPoint hotSpot;
QImage customCursorImage;
QPoint pos; // current cursor position
bool customCursorPending;
qint64 customCursorKey;
bool useCustomCursor;
} m_cursor;
// cursor atlas information
struct CursorAtlas {
CursorAtlas() : cursorsPerRow(0), cursorWidth(0), cursorHeight(0) { }
int cursorsPerRow;
int width, height; // width and height of the atlas
int cursorWidth, cursorHeight; // width and height of cursors inside the atlas
QVector<QPoint> hotSpots;
QImage image; // valid until it's uploaded
} m_cursorAtlas;
bool m_visible;
QEglFSScreen *m_screen;
QPlatformScreen *m_activeScreen;
QEglFSCursorDeviceListener *m_deviceListener;
bool m_updateRequested;
QMatrix4x4 m_rotationMatrix;
};
#endif // QT_CONFIG(opengl)
QT_END_NAMESPACE
#endif // QEGLFSCURSOR_H
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