QVNCClientCursor Class Reference

#include <qscreenvnc_p.h>

Inheritance diagram for QVNCClientCursor:

Public Functions
	QVNCClientCursor (QVNCServer *s)
void	set (const QImage &image, int hotx, int hoty)
	Reimplemented Function More...
void	write () const
	~QVNCClientCursor ()
Public Functions inherited from QProxyScreenCursor
void	hide ()
	Reimplemented Function More...
void	move (int x, int y)
	Reimplemented Function More...
	QProxyScreenCursor ()
	Constructs a proxy screen cursor. More...
QScreenCursor *	screenCursor () const
	Returns the real screen cursor used by the proxy screen cursor. More...
void	setScreenCursor (QScreenCursor *cursor)
	Sets the real screen cursor to be used for the proxy screen cursor to the cursor specified. More...
void	show ()
	Reimplemented Function More...
	~QProxyScreenCursor ()
	Destroys the proxy screen cursor. More...
Public Functions inherited from QScreenCursor
QRect	boundingRect () const
	Returns the cursor's bounding rectangle. More...
QImage	image () const
	Returns the cursor's image. More...
bool	isAccelerated () const
	Returns true if the cursor is accelerated; otherwise false. More...
bool	isVisible () const
	Returns true if the cursor is visible; otherwise false. More...
	QScreenCursor ()
	Constructs a screen cursor. More...
bool	supportsAlphaCursor () const
virtual	~QScreenCursor ()
	Destroys the screen cursor. More...

Properties
QVNCServer *	server

Additional Inherited Members
Static Public Functions inherited from QScreenCursor
static bool	enabled ()
static void	initSoftwareCursor ()
	Initializes the screen cursor. More...
static QScreenCursor *	instance ()
Protected Variables inherited from QScreenCursor
QImage	cursor
uint	enable: 1
QPoint	hotspot
uint	hwaccel: 1
QPoint	pos
QSize	size
uint	supportsAlpha: 1

Detailed Description

Definition at line 86 of file qscreenvnc_p.h.

Constructors and Destructors

QVNCClientCursor()

QVNCClientCursor::QVNCClientCursor

(

QVNCServer *

s

)

Definition at line 133 of file qscreenvnc_qws.cpp.

    : server(s)
{
    setScreenCursor(qt_screencursor);
    Q_ASSERT(hwaccel);
    qt_screencursor = this; // hw: XXX

    set(image(), hotspot.x(), hotspot.y());
}

~QVNCClientCursor()

QVNCClientCursor::~QVNCClientCursor

(

)

Definition at line 143 of file qscreenvnc_qws.cpp.

{
    qt_screencursor = screenCursor();
}

Functions

set()

void QVNCClientCursor::set ( const QImage &  image, int  hotx, int  hoty  )

virtual

Reimplemented Function

Reimplemented from QProxyScreenCursor.

Definition at line 148 of file qscreenvnc_qws.cpp.

{
    QScreenCursor::set(image, hotx, hoty);
    server->setDirtyCursor();
}

write()

void QVNCClientCursor::write

(

)

const

Definition at line 154 of file qscreenvnc_qws.cpp.

{
    QTcpSocket *socket = server->clientSocket();

    // FramebufferUpdate header
    {
        const quint16 tmp[6] = { htons(0),
                                 htons(1),
                                 htons(hotspot.x()), htons(hotspot.y()),
                                 htons(cursor.width()),
                                 htons(cursor.height()) };
        socket->write((char*)tmp, sizeof(tmp));

        const quint32 encoding = htonl(-239);
        socket->write((char*)(&encoding), sizeof(encoding));
    }

    if (cursor.isNull())
        return;

    // write pixels
    Q_ASSERT(cursor.hasAlphaChannel());
    const QImage img = cursor.convertToFormat(server->screen()->pixelFormat());
    const int n = server->clientBytesPerPixel() * img.width();
    char *buffer = new char[n];
    for (int i = 0; i < img.height(); ++i) {
        server->convertPixels(buffer, (const char*)img.scanLine(i), img.width());
        socket->write(buffer, n);
    }
    delete[] buffer;

    // write mask
    const QImage bitmap = cursor.createAlphaMask().convertToFormat(QImage::Format_Mono);
    Q_ASSERT(bitmap.depth() == 1);
    Q_ASSERT(bitmap.size() == img.size());
    const int width = (bitmap.width() + 7) / 8;
    for (int i = 0; i < bitmap.height(); ++i)
        socket->write((const char*)bitmap.scanLine(i), width);
}

Properties

server

QVNCServer* QVNCClientCursor::server

private

Definition at line 96 of file qscreenvnc_p.h.

Referenced by set(), and write().

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

• /src/plugins/gfxdrivers/vnc/qscreenvnc_p.h
• /src/plugins/gfxdrivers/vnc/qscreenvnc_qws.cpp