qscreen_qws.h File Reference

#include <QtCore/qnamespace.h>
#include <QtCore/qpoint.h>
#include <QtCore/qstringlist.h>
#include <QtGui/qrgb.h>
#include <QtCore/qrect.h>
#include <QtGui/qimage.h>
#include <QtGui/qregion.h>

Go to the source code of this file.

Classes
class	QPoolEntry
class	QScreen
	The QScreen class is a base class for screen drivers in Qt for Embedded Linux. More...
class	QScreenCursor
	The QScreenCursor class is a base class for screen cursors in Qt for Embedded Linux. More...

Macros
#define	QT_QWS_DEPTH16_RGB   565

Typedefs
typedef void(*	ClearCacheFunc) (QScreen *obj, int)

Functions
QRgb	qt_conv16ToRgb (ushort c)
void	qt_conv16ToRgb (ushort c, int &r, int &g, int &b)
ushort	qt_convRgbTo16 (const int r, const int g, const int b)
ushort	qt_convRgbTo16 (QRgb c)
QScreen *	qt_get_screen (int display_id, const char *spec)
const unsigned char *	qt_probe_bus ()

Variables
static const int	qt_bbits = (QT_QWS_DEPTH16_RGB%10)
static const int	qt_blue_mask = (1<<qt_bbits)-1
static const int	qt_blue_rounding_shift = qt_bbits - qt_neg_blue_shift
static const int	qt_gbits = (QT_QWS_DEPTH16_RGB/10%10)
static const int	qt_green_mask = (1<<(qt_gbits+qt_bbits))-(1<<qt_bbits)
static const int	qt_green_rounding_shift = qt_green_shift + qt_gbits
static const int	qt_green_shift = qt_bbits-(8-qt_gbits)
static const int	qt_neg_blue_shift = 8-qt_bbits
static const int	qt_rbits = (QT_QWS_DEPTH16_RGB/100)
static const int	qt_red_mask = (1<<(qt_rbits+qt_gbits+qt_bbits))-(1<<(qt_gbits+qt_bbits))
static const int	qt_red_rounding_shift = qt_red_shift + qt_rbits
static const int	qt_red_shift = qt_bbits+qt_gbits-(8-qt_rbits)
Q_GUI_EXPORT QScreen *	qt_screen
QScreenCursor *	qt_screencursor
bool	qws_sw_cursor
const int	SourcePixmap =1
const int	SourceSolid =0

Macro Definition Documentation

QT_QWS_DEPTH16_RGB

#define QT_QWS_DEPTH16_RGB   565

Definition at line 69 of file qscreen_qws.h.

Typedef Documentation

ClearCacheFunc

typedef void(* ClearCacheFunc) (QScreen *obj, int)

Definition at line 189 of file qscreen_qws.h.

Function Documentation

qt_conv16ToRgb() [1/2]

QRgb qt_conv16ToRgb ( ushort  c )

inline

Definition at line 104 of file qscreen_qws.h.

Referenced by QVNCServer::convertPixels().

{
    const int r=(c & qt_red_mask);
    const int g=(c & qt_green_mask);
    const int b=(c & qt_blue_mask);
    const int tr = r >> qt_red_shift | r >> qt_red_rounding_shift;
    const int tg = g >> qt_green_shift | g >> qt_green_rounding_shift;
    const int tb = b << qt_neg_blue_shift | b >> qt_blue_rounding_shift;

    return qRgb(tr,tg,tb);
}

qt_conv16ToRgb() [2/2]

void qt_conv16ToRgb ( ushort  c, int &  r, int &  g, int &  b  )

inline

Definition at line 116 of file qscreen_qws.h.

{
    const int tr=(c & qt_red_mask);
    const int tg=(c & qt_green_mask);
    const int tb=(c & qt_blue_mask);
    r = tr >> qt_red_shift | tr >> qt_red_rounding_shift;
    g = tg >> qt_green_shift | tg >> qt_green_rounding_shift;
    b = tb << qt_neg_blue_shift | tb >> qt_blue_rounding_shift;
}

qt_convRgbTo16() [1/2]

ushort qt_convRgbTo16 ( const int  r, const int  g, const int  b  )

inline

Definition at line 86 of file qscreen_qws.h.

Referenced by QAhiScreen::solidFill().

{
    const int tr = r << qt_red_shift;
    const int tg = g << qt_green_shift;
    const int tb = b >> qt_neg_blue_shift;

    return (tb & qt_blue_mask) | (tg & qt_green_mask) | (tr & qt_red_mask);
}

qt_convRgbTo16() [2/2]

ushort qt_convRgbTo16 ( QRgb  c )

inline

Definition at line 95 of file qscreen_qws.h.

{
    const int tr = qRed(c) << qt_red_shift;
    const int tg = qGreen(c) << qt_green_shift;
    const int tb = qBlue(c) >> qt_neg_blue_shift;

    return (tb & qt_blue_mask) | (tg & qt_green_mask) | (tr & qt_red_mask);
}

qt_get_screen()

QScreen* qt_get_screen	(	int	display_id,
		const char *	spec
	)

Definition at line 2456 of file qscreen_qws.cpp.

Referenced by QVNCScreen::connect(), QMultiScreen::connect(), QTransformedScreen::connect(), QProxyScreen::connect(), QWSDisplay::Data::init(), and QWSDisplay::Data::reinit().

{
    QString displaySpec = QString::fromAscii(spec);
    QString driver = displaySpec;
    int colon = displaySpec.indexOf(QLatin1Char(':'));
    if (colon >= 0)
        driver.truncate(colon);
    driver = driver.trimmed();

    bool foundDriver = false;
    QString driverName = driver;

    QStringList driverList;
    if (!driver.isEmpty())
        driverList << driver;
    else
        driverList = QScreenDriverFactory::keys();

    for (int i = 0; i < driverList.size(); ++i) {
        const QString driverName = driverList.at(i);
        qt_screen = QScreenDriverFactory::create(driverName, display_id);
        if (qt_screen) {
            foundDriver = true;
            if (qt_screen->connect(displaySpec)) {
                return qt_screen;
            } else {
                delete qt_screen;
                qt_screen = 0;
            }
        }
    }

    if (driver.isNull())
        qFatal("No suitable driver found");
    else if (foundDriver)
        qFatal("%s: driver cannot connect", driver.toLatin1().constData());
    else
        qFatal("%s: driver not found", driver.toLatin1().constData());

    return 0;
}

qt_probe_bus()

const unsigned char* qt_probe_bus

(

)

Referenced by QScreen::subScreenIndexAt().

Variable Documentation

qt_bbits

const int qt_bbits = (QT_QWS_DEPTH16_RGB%10)

static

Definition at line 73 of file qscreen_qws.h.

Referenced by qt_conv16ToRgb().

qt_blue_mask

const int qt_blue_mask = (1<<qt_bbits)-1

static

Definition at line 77 of file qscreen_qws.h.

Referenced by qt_conv16ToRgb(), and qt_convRgbTo16().

qt_blue_rounding_shift

const int qt_blue_rounding_shift = qt_bbits - qt_neg_blue_shift

static

Definition at line 83 of file qscreen_qws.h.

Referenced by qt_conv16ToRgb().

qt_gbits

const int qt_gbits = (QT_QWS_DEPTH16_RGB/10%10)

static

Definition at line 72 of file qscreen_qws.h.

Referenced by qt_conv16ToRgb().

qt_green_mask

const int qt_green_mask = (1<<(qt_gbits+qt_bbits))-(1<<qt_bbits)

static

Definition at line 78 of file qscreen_qws.h.

Referenced by qt_conv16ToRgb(), and qt_convRgbTo16().

qt_green_rounding_shift

const int qt_green_rounding_shift = qt_green_shift + qt_gbits

static

Definition at line 82 of file qscreen_qws.h.

Referenced by qt_conv16ToRgb().

qt_green_shift

const int qt_green_shift = qt_bbits-(8-qt_gbits)

static

Definition at line 75 of file qscreen_qws.h.

Referenced by qt_conv16ToRgb(), and qt_convRgbTo16().

qt_neg_blue_shift

const int qt_neg_blue_shift = 8-qt_bbits

static

Definition at line 76 of file qscreen_qws.h.

Referenced by qt_conv16ToRgb(), and qt_convRgbTo16().

qt_rbits

const int qt_rbits = (QT_QWS_DEPTH16_RGB/100)

static

Definition at line 71 of file qscreen_qws.h.

Referenced by qt_conv16ToRgb().

qt_red_mask

const int qt_red_mask = (1<<(qt_rbits+qt_gbits+qt_bbits))-(1<<(qt_gbits+qt_bbits))

static

Definition at line 79 of file qscreen_qws.h.

Referenced by qt_conv16ToRgb(), and qt_convRgbTo16().

qt_red_rounding_shift

const int qt_red_rounding_shift = qt_red_shift + qt_rbits

static

Definition at line 81 of file qscreen_qws.h.

Referenced by qt_conv16ToRgb().

qt_red_shift

const int qt_red_shift = qt_bbits+qt_gbits-(8-qt_rbits)

static

Definition at line 74 of file qscreen_qws.h.

Referenced by qt_conv16ToRgb(), and qt_convRgbTo16().

qt_screen

Q_GUI_EXPORT QScreen* qt_screen

Definition at line 69 of file qscreen_qws.cpp.

Referenced by QWSServerPrivate::_q_clientClosed(), QWSServerPrivate::_q_newConnection(), QWSServerPrivate::_q_screenSaverSleep(), QWSServerPrivate::_q_screenSaverWake(), QWSServer::beginDisplayReconfigure(), QWSServerPrivate::closeDisplay(), QVNCScreen::connect(), QMultiScreen::connect(), QTransformedScreen::connect(), QWSWindow::createSurface(), QWSDisplay::depth(), effectiveState(), QWSServer::endDisplayReconfigure(), QQnxScreen::exposeRegion(), QWSServerPrivate::exposeRegion(), QWSDisplay::Data::fillQueue(), QWSDisplay::frameBuffer(), getScreen(), glScreenForDevice(), QWSTtyKbPrivate::handleConsoleSwitch(), QWSDisplay::height(), QScreenCursor::hide(), QWSDisplay::Data::init(), QScreen::instance(), isServerProcess(), QMultiScreenCursor::move(), QScreenCursor::move(), QWSServerPrivate::newMouseHandler(), QWSServerPrivate::openDisplay(), QWSDisplay::pixmapDepth(), QDirectFBKeyboardHandlerPrivate::QDirectFBKeyboardHandlerPrivate(), QQnxMouseHandler::QQnxMouseHandler(), QScreenCursor::QScreenCursor(), qt_conv16ToRgb(), qt_defaultDpiX(), qt_defaultDpiY(), qt_get_screen(), QApplication::qwsSetCustomColors(), QDirectFBKeyboardHandlerPrivate::readKeyboardData(), QWSLinuxInputMousePrivate::readMouseData(), QWSTslibMouseHandlerPrivate::readMouseData(), QWSLinuxTPMouseHandlerPrivate::readMouseData(), screenForDevice(), QWSPcMouseHandlerPrivate::sendEvent(), QWSServer::sendMouseEvent(), QScreenCursor::set(), QWSServer::setBackground(), QQnxScreen::setDirty(), setMaxWindowRect(), QWSServer::setMaxWindowRect(), QWSOnScreenSurface::setPermanentState(), QWSMouseHandler::setScreen(), QWSServer::setScreenSaverIntervals(), QScreenCursor::show(), QWSDisplay::supportsDepth(), PvrEglScreen::transformation(), QWSKeyboardHandler::transformDirKey(), QETWidget::translateMouseEvent(), QWSServerPrivate::update_regions(), QWSDisplay::width(), and QWSDisplay::Data::~Data().

qt_screencursor

QScreenCursor* qt_screencursor

Definition at line 67 of file qscreen_qws.cpp.

Referenced by QWSServer::beginDisplayReconfigure(), blendCursor(), buttonChange(), QWSServer::endDisplayReconfigure(), QScreen::exposeRegion(), QWSServerPrivate::hideCursor(), QVNCScreen::initDevice(), QMultiScreen::initDevice(), QDirectFBScreen::initDevice(), QScreenCursor::initSoftwareCursor(), QScreenCursor::instance(), QVNCClientCursor::QVNCClientCursor(), QVNCCursor::QVNCCursor(), QVNCDirtyMap::QVNCDirtyMap(), QWSServerPrivate::resetEngine(), QWSServerPrivate::sendMouseEventUnfiltered(), QWSCursor::set(), QWSServerPrivate::setCursor(), QVNCServer::setEncodings(), QWSServerPrivate::showCursor(), QDirectFBScreen::shutdownDevice(), QScreen::shutdownDevice(), QRfbRawEncoder::write(), QRfbHextileEncoder< SRC >::write(), QWSDisplay::Data::~Data(), QMultiScreenCursor::~QMultiScreenCursor(), QVNCClientCursor::~QVNCClientCursor(), and QVNCCursor::~QVNCCursor().

qws_sw_cursor

bool qws_sw_cursor

Definition at line 132 of file qapplication_qws.cpp.

Referenced by QScreenCursor::enabled(), and qt_init().

SourcePixmap

const int SourcePixmap =1

Definition at line 127 of file qscreen_qws.h.

SourceSolid

const int SourceSolid =0

Definition at line 126 of file qscreen_qws.h.