QXcbSystemTrayBackingStore Class Reference

#include <qxcbbackingstore.h>

Inheritance diagram for QXcbSystemTrayBackingStore:

Collaboration diagram for QXcbSystemTrayBackingStore:

Public Member Functions
	QXcbSystemTrayBackingStore (QWindow *window)
	~QXcbSystemTrayBackingStore ()
void	beginPaint (const QRegion &) override
	This function is called before painting onto the surface begins, with the region in which the painting will occur.
Public Member Functions inherited from QXcbBackingStore
	QXcbBackingStore (QWindow *window)
	~QXcbBackingStore ()
QPaintDevice *	paintDevice () override
	Implement this function to return the appropriate paint device.
void	flush (QWindow *window, const QRegion &region, const QPoint &offset) override
	Flushes the given region from the specified window.
FlushResult	rhiFlush (QWindow *window, qreal sourceDevicePixelRatio, const QRegion &region, const QPoint &offset, QPlatformTextureList *textures, bool translucentBackground) override
	Flushes the given region from the specified window, and compositing it with the specified textures list.
QImage	toImage () const override
	Implemented in subclasses to return the content of the backingstore as a QImage.
QPlatformGraphicsBuffer *	graphicsBuffer () const override
	Accessor for a backingstores graphics buffer abstraction.
void	resize (const QSize &size, const QRegion &staticContents) override
bool	scroll (const QRegion &area, int dx, int dy) override
	Scrolls the given area dx pixels to the right and dy downward; both dx and dy may be negative.
void	endPaint () override
	This function is called after painting onto the surface has ended.
Public Member Functions inherited from QXcbObject
	QXcbObject (QXcbConnection *connection=nullptr)
void	setConnection (QXcbConnection *connection)
QXcbConnection *	connection () const
xcb_atom_t	atom (QXcbAtom::Atom atom) const
xcb_connection_t *	xcb_connection () const
Public Member Functions inherited from QPlatformBackingStore
	QPlatformBackingStore (QWindow *window)
	Constructs an empty surface for the given top-level window.
virtual	~QPlatformBackingStore ()
	Destroys this surface.
QWindow *	window () const
	Returns a pointer to the top-level window associated with this surface.
QBackingStore *	backingStore () const
	Returns a pointer to the backing store associated with this surface.
virtual QRhiTexture *	toTexture (QRhiResourceUpdateBatch *resourceUpdates, const QRegion &dirtyRegion, TextureFlags *flags) const
	May be reimplemented in subclasses to return the content of the backingstore as an QRhiTexture.
void	setRhiConfig (const QPlatformBackingStoreRhiConfig &config)
QRhi *	rhi () const
void	surfaceAboutToBeDestroyed ()
void	graphicsDeviceReportedLost ()

Protected Member Functions
void	render (xcb_window_t window, const QRegion &region, const QPoint &offset) override
void	recreateImage (QXcbWindow *win, const QSize &size) override

Additional Inherited Members
Public Types inherited from QPlatformBackingStore
enum	FlushResult { FlushSuccess , FlushFailed , FlushFailedDueToLostDevice }
enum	TextureFlag { TextureSwizzle = 0x01 , TextureFlip = 0x02 , TexturePremultiplied = 0x04 }
Static Public Member Functions inherited from QXcbBackingStore
static bool	createSystemVShmSegment (xcb_connection_t *c, size_t segmentSize=1, void *shmInfo=nullptr)
Protected Attributes inherited from QXcbBackingStore
QXcbBackingStoreImage *	m_image = nullptr
QStack< QRegion >	m_paintRegions
QImage	m_rgbImage

Detailed Description

Definition at line 54 of file qxcbbackingstore.h.

Constructor & Destructor Documentation

QXcbSystemTrayBackingStore()

QXcbSystemTrayBackingStore::QXcbSystemTrayBackingStore

(

QWindow *

window

)

Definition at line 931 of file qxcbbackingstore.cpp.

References QXcbObject::connection(), QXcbScreen::depthOfVisual(), QXcbConnection::primaryScreen(), and QPlatformBackingStore::window().

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~QXcbSystemTrayBackingStore()

QXcbSystemTrayBackingStore::~QXcbSystemTrayBackingStore

(

)

Definition at line 955 of file qxcbbackingstore.cpp.

References QXcbObject::xcb_connection().

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Member Function Documentation

beginPaint()

void QXcbSystemTrayBackingStore::beginPaint ( const QRegion & )

overridevirtual

This function is called before painting onto the surface begins, with the region in which the painting will occur.

See also

endPaint(), paintDevice()

Reimplemented from QXcbBackingStore.

Definition at line 971 of file qxcbbackingstore.cpp.

References QXcbBackingStore::beginPaint(), QPainter::CompositionMode_Source, QXcbBackingStore::paintDevice(), and rect.

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recreateImage()

void QXcbSystemTrayBackingStore::recreateImage ( QXcbWindow * win, const QSize & size )

overrideprotectedvirtual

Reimplemented from QXcbBackingStore.

Definition at line 1002 of file qxcbbackingstore.cpp.

References QImage::Format_ARGB32_Premultiplied, QXcbBackingStore::m_image, QXcbBackingStore::recreateImage(), QXcbBackingStoreImage::resize(), screen, QWidget::width, win, QWidget::winId(), and QXcbObject::xcb_connection().

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render()

void QXcbSystemTrayBackingStore::render ( xcb_window_t window, const QRegion & region, const QPoint & offset )

overrideprotectedvirtual

Reimplemented from QXcbBackingStore.

Definition at line 983 of file qxcbbackingstore.cpp.

References QRegion::boundingRect(), QXcbBackingStore::m_image, QXcbBackingStoreImage::put(), QXcbBackingStore::render(), QRect::topLeft(), QRect::translated(), QPlatformBackingStore::window(), QWindow::x, and QXcbObject::xcb_connection().

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The documentation for this class was generated from the following files:

• qtbase/src/plugins/platforms/xcb/qxcbbackingstore.h (d38118c80828eecb3c0192404249c1fad5660792)
• qtbase/src/plugins/platforms/xcb/qxcbbackingstore.cpp (a07cb53c2311de255fe6cd677ae487c385a71942)