QVNCScreenPrivate Class Reference

#include <qscreenvnc_p.h>

Inheritance diagram for QVNCScreenPrivate:

Public Functions
void	configure ()
void	configure ()
	QVNCScreenPrivate (QVNCScreen *parent)
	QVNCScreenPrivate (QVNCScreen *parent, int screenId)
void	setDirty (const QRect &rect, bool force=false)
void	setDirty (const QRect &rect, bool force=false)
	~QVNCScreenPrivate ()
	~QVNCScreenPrivate ()
Public Functions inherited from QObject
bool	blockSignals (bool b)
	If block is true, signals emitted by this object are blocked (i.e., emitting a signal will not invoke anything connected to it). More...
const QObjectList &	children () const
	Returns a list of child objects. More...
bool	connect (const QObject *sender, const char *signal, const char *member, Qt::ConnectionType type=Qt::AutoConnection) const
bool	disconnect (const char *signal=0, const QObject *receiver=0, const char *member=0)
bool	disconnect (const QObject *receiver, const char *member=0)
void	dumpObjectInfo ()
	Dumps information about signal connections, etc. More...
void	dumpObjectTree ()
	Dumps a tree of children to the debug output. More...
QList< QByteArray >	dynamicPropertyNames () const
	Returns the names of all properties that were dynamically added to the object using setProperty(). More...
virtual bool	event (QEvent *)
	This virtual function receives events to an object and should return true if the event e was recognized and processed. More...
virtual bool	eventFilter (QObject *, QEvent *)
	Filters events if this object has been installed as an event filter for the watched object. More...
template<typename T >
T	findChild (const QString &aName=QString()) const
	Returns the child of this object that can be cast into type T and that is called name, or 0 if there is no such object. More...
template<typename T >
QList< T >	findChildren (const QString &aName=QString()) const
	Returns all children of this object with the given name that can be cast to type T, or an empty list if there are no such objects. More...
template<typename T >
QList< T >	findChildren (const QRegExp &re) const
bool	inherits (const char *classname) const
	Returns true if this object is an instance of a class that inherits className or a QObject subclass that inherits className; otherwise returns false. More...
void	installEventFilter (QObject *)
	Installs an event filter filterObj on this object. More...
bool	isWidgetType () const
	Returns true if the object is a widget; otherwise returns false. More...
void	killTimer (int id)
	Kills the timer with timer identifier, id. More...
virtual const QMetaObject *	metaObject () const
	Returns a pointer to the meta-object of this object. More...
void	moveToThread (QThread *thread)
	Changes the thread affinity for this object and its children. More...
QString	objectName () const
QObject *	parent () const
	Returns a pointer to the parent object. More...
QVariant	property (const char *name) const
	Returns the value of the object's name property. More...
Q_INVOKABLE	QObject (QObject *parent=0)
	Constructs an object with parent object parent. More...
void	removeEventFilter (QObject *)
	Removes an event filter object obj from this object. More...
void	setObjectName (const QString &name)
void	setParent (QObject *)
	Makes the object a child of parent. More...
bool	setProperty (const char *name, const QVariant &value)
	Sets the value of the object's name property to value. More...
void	setUserData (uint id, QObjectUserData *data)
bool	signalsBlocked () const
	Returns true if signals are blocked; otherwise returns false. More...
int	startTimer (int interval)
	Starts a timer and returns a timer identifier, or returns zero if it could not start a timer. More...
QThread *	thread () const
	Returns the thread in which the object lives. More...
QObjectUserData *	userData (uint id) const
virtual	~QObject ()
	Destroys the object, deleting all its child objects. More...

Public Variables
QVNCDirtyMap *	dirty
bool	doOnScreenSurface
qreal	dpiX
qreal	dpiY
bool	noDisablePainting
QVNCScreen *	q_ptr
int	refreshRate
QSharedMemory	shm
QVNCServer *	vncServer

Additional Inherited Members
Public Slots inherited from QObject
void	deleteLater ()
	Schedules this object for deletion. More...
Signals inherited from QObject
void	destroyed (QObject *=0)
	This signal is emitted immediately before the object obj is destroyed, and can not be blocked. More...
Static Public Functions inherited from QObject
static bool	connect (const QObject *sender, const char *signal, const QObject *receiver, const char *member, Qt::ConnectionType=Qt::AutoConnection)
	Creates a connection of the given type from the signal in the sender object to the method in the receiver object. More...
static bool	connect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &method, Qt::ConnectionType type=Qt::AutoConnection)
static bool	disconnect (const QObject *sender, const char *signal, const QObject *receiver, const char *member)
	Disconnects signal in object sender from method in object receiver. More...
static bool	disconnect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &member)
static uint	registerUserData ()
static QString	tr (const char *sourceText, const char *comment=0, int n=-1)
static QString	trUtf8 (const char *sourceText, const char *comment=0, int n=-1)
Static Public Variables inherited from QObject
static const QMetaObject	staticMetaObject
	This variable stores the meta-object for the class. More...
Protected Functions inherited from QObject
virtual void	childEvent (QChildEvent *)
	This event handler can be reimplemented in a subclass to receive child events. More...
virtual void	connectNotify (const char *signal)
	This virtual function is called when something has been connected to signal in this object. More...
virtual void	customEvent (QEvent *)
	This event handler can be reimplemented in a subclass to receive custom events. More...
virtual void	disconnectNotify (const char *signal)
	This virtual function is called when something has been disconnected from signal in this object. More...
	QObject (QObjectPrivate &dd, QObject *parent=0)
int	receivers (const char *signal) const
	Returns the number of receivers connected to the signal. More...
QObject *	sender () const
	Returns a pointer to the object that sent the signal, if called in a slot activated by a signal; otherwise it returns 0. More...
int	senderSignalIndex () const
virtual void	timerEvent (QTimerEvent *)
	This event handler can be reimplemented in a subclass to receive timer events for the object. More...
Protected Variables inherited from QObject
QScopedPointer< QObjectData >	d_ptr
Static Protected Variables inherited from QObject
static const QMetaObject	staticQtMetaObject
Related Functions inherited from QObject
T	qFindChildqFindChildren (const QObject *obj, const QString &name)()
QList< T >	qFindChildrenqFindChildren (const QObject *obj, const QString &name)()
QList< T >	qFindChildrenqFindChildren (const QObject *obj, const QRegExp &regExp)()
T *	qobject_cast (QObject *object)
	QObjectList
void *	qt_find_obj_child (QObject *parent, const char *type, const QString &name)
	Returns a pointer to the object named name that inherits type and with a given parent. More...

Detailed Description

Definition at line 241 of file qscreenvnc_p.h.

Constructors and Destructors

QVNCScreenPrivate() [1/2]

QVNCScreenPrivate::QVNCScreenPrivate

(

QVNCScreen *

parent

)

Definition at line 196 of file qscreenvnc_qws.cpp.

    : dpiX(72), dpiY(72), doOnScreenSurface(false), refreshRate(25),
      vncServer(0), q_ptr(parent), noDisablePainting(false)
{
#ifdef QT_BUILD_INTERNAL
    noDisablePainting = (qgetenv("QT_VNC_NO_DISABLEPAINTING").toInt() > 0);
#endif
#ifndef QT_NO_QWS_SIGNALHANDLER
    QWSSignalHandler::instance()->addObject(this);
#endif
}

~QVNCScreenPrivate() [1/2]

QVNCScreenPrivate::~QVNCScreenPrivate

(

)

Definition at line 208 of file qscreenvnc_qws.cpp.

Referenced by QVNCScreenPrivate().

{
#if defined(QT_NO_QWS_MULTIPROCESS) || defined(QT_NO_SHAREDMEMORY)
    if (q_ptr->screen())
        return;

    delete[] q_ptr->data;
    q_ptr->data = 0;
#else
    shm.detach();
#endif
}

QVNCScreenPrivate() [2/2]

QVNCScreenPrivate::QVNCScreenPrivate	(	QVNCScreen *	parent,
		int	screenId
	)

Definition at line 1888 of file qvncserver.cpp.

    : dpiX(72), dpiY(72), doOnScreenSurface(false), refreshRate(25),
      vncServer(0), q_ptr(parent)
{
#if 0//ndef QT_NO_QWS_SIGNALHANDLER
    QWSSignalHandler::instance()->addObject(this);
#endif

    vncServer = new QVNCServer(q_ptr, screenId);
    vncServer->setRefreshRate(refreshRate);


    Q_ASSERT(q_ptr->depth() == 32);

    dirty = new QVNCDirtyMapOptimized<quint32>(q_ptr);
}

~QVNCScreenPrivate() [2/2]

QVNCScreenPrivate::~QVNCScreenPrivate

(

)

Functions

configure() [1/2]

void QVNCScreenPrivate::configure

(

)

Definition at line 221 of file qscreenvnc_qws.cpp.

Referenced by QVNCScreen::connect().

{
    if (q_ptr->screen())
        return;

    q_ptr->lstep = q_ptr->dw * ((q_ptr->d + 7) / 8);
    q_ptr->size = q_ptr->h * q_ptr->lstep;
    q_ptr->mapsize = q_ptr->size;
    q_ptr->physWidth = qRound(q_ptr->dw * qreal(25.4) / dpiX);
    q_ptr->physHeight = qRound(q_ptr->dh * qreal(25.4) / dpiY);

    switch (q_ptr->d) {
    case 1:
        q_ptr->setPixelFormat(QImage::Format_Mono); //### LSB???
        break;
    case 8:
        q_ptr->setPixelFormat(QImage::Format_Indexed8);
        break;
    case 12:
        q_ptr->setPixelFormat(QImage::Format_RGB444);
        break;
    case 15:
        q_ptr->setPixelFormat(QImage::Format_RGB555);
        break;
    case 16:
        q_ptr->setPixelFormat(QImage::Format_RGB16);
        break;
    case 18:
        q_ptr->setPixelFormat(QImage::Format_RGB666);
        break;
    case 24:
        q_ptr->setPixelFormat(QImage::Format_RGB888);
        break;
    case 32:
        q_ptr->setPixelFormat(QImage::Format_ARGB32_Premultiplied);
        break;
    }

#if !defined(QT_NO_QWS_MULTIPROCESS) && !defined(QT_NO_SHAREDMEMORY)
    if (q_ptr->size != shm.size()) {
        shm.detach();
        const QString key = qws_qtePipeFilename() +
                            QString().sprintf("_vnc_%d_%d",
                                              q_ptr->displayId, q_ptr->size);
        shm.setKey(key);
        if (QApplication::type() == QApplication::GuiServer) {
            if (!shm.create(q_ptr->size)) {
                qWarning() << "QVNCScreen could not create shared memory:"
                           << shm.errorString();
                if (!shm.attach()) {
                    qWarning() << "QVNCScreen could not attach to shared memory:"
                               << shm.errorString();
                }
            }
        } else if (!shm.attach()) {
            qWarning() << "QVNCScreen could not attach to shared memory:"
                       << shm.errorString();
        }
        q_ptr->data = reinterpret_cast<uchar*>(shm.data());
    }
#else
    if (q_ptr->data)
        delete[] q_ptr->data;
    q_ptr->data = new uchar[q_ptr->size];
#endif
}

configure() [2/2]

void QVNCScreenPrivate::configure

(

)

setDirty() [1/2]

void QVNCScreenPrivate::setDirty	(	const QRect &	rect,
		bool	force = false
	)

Definition at line 2108 of file qscreenvnc_qws.cpp.

Referenced by QVNCScreen::doRedraw(), QVNCServer::frameBufferUpdateRequest(), QVNCScreenPrivate(), QVNCScreen::setDirty(), and QVNCCursor::setDirty().

{
    if (rect.isEmpty())
        return;

    if (q_ptr->screen())
        q_ptr->screen()->setDirty(rect);

    if (!vncServer || !vncServer->isConnected())
        return;

    const QRect r = rect.translated(-q_ptr->offset());
    const int x1 = r.x() / MAP_TILE_SIZE;
    int y = r.y() / MAP_TILE_SIZE;
    for (; (y <= r.bottom() / MAP_TILE_SIZE) && y < dirty->mapHeight; y++)
        for (int x = x1; (x <= r.right() / MAP_TILE_SIZE) && x < dirty->mapWidth; x++)
            dirty->setDirty(x, y, force);

    vncServer->setDirty();
}

setDirty() [2/2]

void QVNCScreenPrivate::setDirty	(	const QRect &	rect,
		bool	force = false
	)

Properties

dirty

QVNCDirtyMap * QVNCScreenPrivate::dirty

Definition at line 253 of file qscreenvnc_p.h.

Referenced by QVNCScreen::dirtyMap(), QVNCScreen::initDevice(), QVNCScreenPrivate(), and QVNCScreen::shutdownDevice().

doOnScreenSurface

bool QVNCScreenPrivate::doOnScreenSurface

Definition at line 252 of file qscreenvnc_p.h.

Referenced by QVNCScreen::connect().

dpiX

qreal QVNCScreenPrivate::dpiX

Definition at line 250 of file qscreenvnc_p.h.

Referenced by configure(), and QVNCScreen::connect().

dpiY

qreal QVNCScreenPrivate::dpiY

Definition at line 251 of file qscreenvnc_p.h.

Referenced by configure(), and QVNCScreen::connect().

noDisablePainting

bool QVNCScreenPrivate::noDisablePainting

Definition at line 263 of file qscreenvnc_p.h.

Referenced by QVNCScreen::connect(), QVNCScreen::initDevice(), QVNCServer::newConnection(), and QVNCScreenPrivate().

q_ptr

QVNCScreen * QVNCScreenPrivate::q_ptr

Definition at line 261 of file qscreenvnc_p.h.

Referenced by configure(), QVNCScreenPrivate(), and ~QVNCScreenPrivate().

refreshRate

int QVNCScreenPrivate::refreshRate

Definition at line 254 of file qscreenvnc_p.h.

Referenced by QVNCScreen::connect(), QVNCScreen::initDevice(), and QVNCScreenPrivate().

shm

QSharedMemory QVNCScreenPrivate::shm

Definition at line 258 of file qscreenvnc_p.h.

Referenced by configure(), QVNCScreen::disconnect(), and ~QVNCScreenPrivate().

vncServer

QVNCServer * QVNCScreenPrivate::vncServer

Definition at line 255 of file qscreenvnc_p.h.

Referenced by QVNCScreen::initDevice(), QVNCCursor::move(), QVNCScreen::QVNCScreen(), QVNCScreenPrivate(), QVNCCursor::set(), and QVNCScreen::shutdownDevice().

---

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

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