QVFbScreenPrivate Class Reference

Public Functions
bool	connect (int displayId)
int	depth () const
void	disconnect ()
QImage::Format	format () const
	QVFbScreenPrivate ()
	QVFbScreenPrivate (int id)
QImage *	screenImage ()
QSize	screenSize ()
void	setDirty (const QRect &r)
	~QVFbScreenPrivate ()
	~QVFbScreenPrivate ()

Public Variables
bool	blank
int	brightness
QVFbHeader *	hdr
QWSKeyboardHandler *	keyboard
QWSMouseHandler *	mouse
unsigned char *	shmrgn
bool	success

Properties
uchar *	data
int	displayId
QImage	img
QVFbScreenKeyboardHandler *	keyboardHandler
QVFbScreenMouseHandler *	mouseHandler

Detailed Description

Definition at line 69 of file qscreenvfb_qws.cpp.

Constructors and Destructors

QVFbScreenPrivate() [1/2]

QVFbScreenPrivate::QVFbScreenPrivate

(

)

Definition at line 86 of file qscreenvfb_qws.cpp.

    : mouse(0)

{
#ifndef QT_NO_QWS_KEYBOARD
    keyboard = 0;
#endif
    brightness = 255;
    blank = false;
}

~QVFbScreenPrivate() [1/2]

QVFbScreenPrivate::~QVFbScreenPrivate

(

)

Definition at line 97 of file qscreenvfb_qws.cpp.

{
    delete mouse;
#ifndef QT_NO_QWS_KEYBOARD
    delete keyboard;
#endif
}

QVFbScreenPrivate() [2/2]

QVFbScreenPrivate::QVFbScreenPrivate ( int  id )

inline

Definition at line 260 of file qvfbintegration.cpp.

        : shmrgn(0), hdr(0), data(0), mouseHandler(0), keyboardHandler(0)
        {
            displayId = id;
            connect(displayId);
        }

~QVFbScreenPrivate() [2/2]

QVFbScreenPrivate::~QVFbScreenPrivate ( )

inline

Definition at line 267 of file qvfbintegration.cpp.

{ disconnect(); }

Functions

connect()

bool QVFbScreenPrivate::connect

(

int

displayId

)

Definition at line 298 of file qvfbintegration.cpp.

{
    qDebug() << "QVFbScreenPrivate::connect" << displayId;
    key_t key = ftok(QT_VFB_MOUSE_PIPE(displayId).toLatin1(), 'b');

    if (key == -1)
        return false;


    int shmId = shmget(key, 0, 0);
    if (shmId != -1)
        shmrgn = (unsigned char *)shmat(shmId, 0, 0);
    else
        return false;

    if ((long)shmrgn == -1 || shmrgn == 0) {
        qDebug("No shmrgn %ld", (long)shmrgn);
        return false;
    }

    hdr = (QVFbHeader *)shmrgn;
    data = shmrgn + hdr->dataoffset;

    int w = hdr->width;
    int h = hdr->height;
    int d = hdr->depth;
    int lstep = hdr->linestep;

    QImage::Format format = QImage::Format_Invalid;
    if (d == 32)
        format = QImage::Format_ARGB32_Premultiplied;
    else if (d == 16)
        format = QImage::Format_RGB16;


    if (format == QImage::Format_Invalid) {
        img = QImage();
        return false;
    }

    img = QImage(data, w, h, lstep, format);

    qDebug("connected %dx%d %d bpp", w, h, d);


    mouseHandler = new QVFbScreenMouseHandler(displayId);
    keyboardHandler = new QVFbScreenKeyboardHandler(displayId);
    return true;
}

depth()

int QVFbScreenPrivate::depth ( ) const

inline

Definition at line 276 of file qvfbintegration.cpp.

{ return img.depth(); }

disconnect()

void QVFbScreenPrivate::disconnect

(

)

Definition at line 348 of file qvfbintegration.cpp.

{
    if ((long)shmrgn != -1 && shmrgn) {
        shmdt((char*)shmrgn);
        shmrgn = 0;
    }
    delete mouseHandler;
    mouseHandler = 0;
    delete keyboardHandler;
    keyboardHandler = 0;
}

format()

QImage::Format QVFbScreenPrivate::format ( ) const

inline

Definition at line 277 of file qvfbintegration.cpp.

{ return img.format(); }

screenImage()

QImage* QVFbScreenPrivate::screenImage ( )

inline

Definition at line 273 of file qvfbintegration.cpp.

{ return &img; }

screenSize()

QSize QVFbScreenPrivate::screenSize ( )

inline

Definition at line 274 of file qvfbintegration.cpp.

{ return img.size(); }

setDirty()

void QVFbScreenPrivate::setDirty

(

const QRect &

r

)

Definition at line 291 of file qvfbintegration.cpp.

{
    hdr->dirty = true;
    hdr->update = hdr->update.united(r);
}

Properties

blank

bool QVFbScreenPrivate::blank

Definition at line 78 of file qscreenvfb_qws.cpp.

Referenced by QVFbScreen::blank(), QVFbScreenPrivate(), and QVFbScreen::setDirty().

brightness

int QVFbScreenPrivate::brightness

Definition at line 77 of file qscreenvfb_qws.cpp.

Referenced by QVFbScreen::blank(), QVFbScreenPrivate(), and QVFbScreen::setDirty().

data

uchar* QVFbScreenPrivate::data

private

Definition at line 282 of file qvfbintegration.cpp.

displayId

int QVFbScreenPrivate::displayId

private

Definition at line 285 of file qvfbintegration.cpp.

hdr

QVFbHeader * QVFbScreenPrivate::hdr

Definition at line 79 of file qscreenvfb_qws.cpp.

Referenced by QVFbScreen::connect(), QVFbScreen::disconnect(), QVFbScreen::initDevice(), QVFbScreen::QVFbScreen(), and QVFbScreen::setDirty().

img

QImage QVFbScreenPrivate::img

private

Definition at line 287 of file qvfbintegration.cpp.

keyboard

QWSKeyboardHandler* QVFbScreenPrivate::keyboard

Definition at line 82 of file qscreenvfb_qws.cpp.

Referenced by QVFbScreen::initDevice(), QVFbScreenPrivate(), and ~QVFbScreenPrivate().

keyboardHandler

QVFbScreenKeyboardHandler* QVFbScreenPrivate::keyboardHandler

private

Definition at line 284 of file qvfbintegration.cpp.

mouse

QWSMouseHandler* QVFbScreenPrivate::mouse

Definition at line 80 of file qscreenvfb_qws.cpp.

Referenced by QVFbScreen::initDevice(), and ~QVFbScreenPrivate().

mouseHandler

QVFbScreenMouseHandler* QVFbScreenPrivate::mouseHandler

private

Definition at line 283 of file qvfbintegration.cpp.

shmrgn

unsigned char * QVFbScreenPrivate::shmrgn

Definition at line 76 of file qscreenvfb_qws.cpp.

Referenced by QVFbScreen::connect(), QVFbScreen::disconnect(), and QVFbScreen::QVFbScreen().

success

bool QVFbScreenPrivate::success

Definition at line 75 of file qscreenvfb_qws.cpp.

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

• /src/gui/embedded/qscreenvfb_qws.cpp
• /src/plugins/platforms/qvfb/qvfbintegration.cpp