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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.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
****************************************************************************/
#ifndef QXCBBACKINGSTORE_H
#define QXCBBACKINGSTORE_H
#include <qpa/qplatformbackingstore.h>
#include <QtCore/QStack>
#include <xcb/xcb.h>
#include "qxcbobject.h"
QT_BEGIN_NAMESPACE
class QXcbBackingStoreImage;
class QXcbBackingStore : public QXcbObject, public QPlatformBackingStore
{
public:
QXcbBackingStore(QWindow *window);
~QXcbBackingStore();
QPaintDevice *paintDevice() override;
void flush(QWindow *window, const QRegion ®ion, const QPoint &offset) override;
#ifndef QT_NO_OPENGL
void composeAndFlush(QWindow *window, const QRegion ®ion, const QPoint &offset,
QPlatformTextureList *textures,
bool translucentBackground) override;
#endif
QImage toImage() const override;
QPlatformGraphicsBuffer *graphicsBuffer() const override;
void resize(const QSize &size, const QRegion &staticContents) override;
bool scroll(const QRegion &area, int dx, int dy) override;
void beginPaint(const QRegion &) override;
void endPaint() override;
static bool createSystemVShmSegment(xcb_connection_t *c, size_t segmentSize = 1,
void *shmInfo = nullptr);
protected:
virtual void render(xcb_window_t window, const QRegion ®ion, const QPoint &offset);
virtual void recreateImage(QXcbWindow *win, const QSize &size);
QXcbBackingStoreImage *m_image = nullptr;
QStack<QRegion> m_paintRegions;
QImage m_rgbImage;
};
class QXcbSystemTrayBackingStore : public QXcbBackingStore
{
public:
QXcbSystemTrayBackingStore(QWindow *window);
~QXcbSystemTrayBackingStore();
void beginPaint(const QRegion &) override;
protected:
void render(xcb_window_t window, const QRegion ®ion, const QPoint &offset) override;
void recreateImage(QXcbWindow *win, const QSize &size) override;
private:
void initXRenderMode();
xcb_pixmap_t m_xrenderPixmap = XCB_NONE;
xcb_render_picture_t m_xrenderPicture = XCB_NONE;
xcb_render_pictformat_t m_xrenderPictFormat = XCB_NONE;
xcb_render_picture_t m_windowPicture = XCB_NONE;
bool m_usingXRenderMode = false;
bool m_useGrabbedBackgound = false;
QPixmap m_grabbedBackground;
};
QT_END_NAMESPACE
#endif
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