QVFbWindowSurface Class Reference

#include <qvfbwindowsurface.h>

Inheritance diagram for QVFbWindowSurface:

Public Functions
void	flush (QWidget *widget, const QRegion &region, const QPoint &offset)
	Flushes the given region from the specified widget onto the screen. More...
QPaintDevice *	paintDevice ()
	Implement this function to return the appropriate paint device. More...
	QVFbWindowSurface (QVFbScreen *screen, QWidget *window)
void	resize (const QSize &size)
	~QVFbWindowSurface ()
Public Functions inherited from QWindowSurface
virtual void	beginPaint (const QRegion &)
	This function is called before painting onto the surface begins, with the region in which the painting will occur. More...
virtual QImage *	buffer (const QWidget *widget)
	Returns a QImage pointer which represents the actual buffer the widget is drawn into or 0 if this is unavailable. More...
virtual void	endPaint (const QRegion &)
	This function is called after painting onto the surface has ended, with the region in which the painting was performed. More...
virtual WindowSurfaceFeatures	features () const
QRect	geometry () const
	Returns the currently allocated area on the screen. More...
virtual QPixmap	grabWidget (const QWidget *widget, const QRect &rectangle=QRect()) const
	Returns a QPixmap generated from the part of the backing store corresponding to widget. More...
bool	hasFeature (WindowSurfaceFeature feature) const
virtual QPoint	offset (const QWidget *widget) const
	Returns the offset of widget in the coordinates of this window surface. More...
	QWindowSurface (QWidget *window, bool setDefaultSurface=true)
	Constructs an empty surface for the given top-level window. More...
QRect	rect (const QWidget *widget) const
	Returns the rectangle for widget in the coordinates of this window surface. More...
virtual bool	scroll (const QRegion &area, int dx, int dy)
	Scrolls the given area dx pixels to the right and dy downward; both dx and dy may be negative. More...
virtual void	setGeometry (const QRect &rect)
	Sets the currently allocated area to be the given rect. More...
void	setStaticContents (const QRegion &region)
QRegion	staticContents () const
QWidget *	window () const
	Returns a pointer to the top-level window associated with this surface. More...
virtual	~QWindowSurface ()
	Destroys this surface. More...

Properties
QVFbScreen *	mScreen

Additional Inherited Members
Public Types inherited from QWindowSurface
enum	WindowSurfaceFeature { PartialUpdates = 0x00000001, PreservedContents = 0x00000002, StaticContents = 0x00000004, AllFeatures = 0xffffffff }
Protected Functions inherited from QWindowSurface
bool	hasStaticContents () const

Detailed Description

Definition at line 53 of file qvfbwindowsurface.h.

Constructors and Destructors

QVFbWindowSurface()

QVFbWindowSurface::QVFbWindowSurface	(	QVFbScreen *	screen,
		QWidget *	window
	)

Definition at line 51 of file qvfbwindowsurface.cpp.

    : QWindowSurface(window),
      mScreen(screen)
{
}

~QVFbWindowSurface()

QVFbWindowSurface::~QVFbWindowSurface

(

)

Definition at line 58 of file qvfbwindowsurface.cpp.

{
}

Functions

flush()

void QVFbWindowSurface::flush ( QWidget *  widget, const QRegion &  region, const QPoint &  offset  )

virtual

Flushes the given region from the specified widget onto the screen.

Note that the offset parameter is currently unused.

Implements QWindowSurface.

Definition at line 67 of file qvfbwindowsurface.cpp.

{
    Q_UNUSED(widget);
    Q_UNUSED(offset);

//    QRect rect = geometry();
//    QPoint topLeft = rect.topLeft();

    mScreen->setDirty(region.boundingRect());
}

paintDevice()

QPaintDevice * QVFbWindowSurface::paintDevice ( )

virtual

Implement this function to return the appropriate paint device.

Implements QWindowSurface.

Definition at line 62 of file qvfbwindowsurface.cpp.

{
    return mScreen->screenImage();
}

resize()

void QVFbWindowSurface::resize

(

const QSize &

size

)

Definition at line 78 of file qvfbwindowsurface.cpp.

{

// any size you like as long as it's full-screen...

    QRect rect(mScreen->availableGeometry());
    QWindowSurface::resize(rect.size());
}

Properties

mScreen

QVFbScreen* QVFbWindowSurface::mScreen

private

Definition at line 64 of file qvfbwindowsurface.h.

Referenced by flush(), paintDevice(), and resize().

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

• /src/plugins/platforms/qvfb/qvfbwindowsurface.h
• /src/plugins/platforms/qvfb/qvfbwindowsurface.cpp