#include <qmousevfb_qws.h>

Inheritance diagram for QVFbMouseHandler:

Public Functions
	QVFbMouseHandler (const QString &driver=QString(), const QString &device=QString())

void	resume ()
	Implement this function to resume reading and handling mouse events, e. More...

void	suspend ()
	Implement this function to suspend reading and handling of mouse events, e. More...

	~QVFbMouseHandler ()

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 Functions inherited from QWSMouseHandler
virtual void	calibrate (const QWSPointerCalibrationData *)
	This virtual function allows subclasses of QWSMouseHandler to set the calibration information passed in the given data. More...

virtual void	clearCalibration ()
	This virtual function allows subclasses of QWSMouseHandler to clear the calibration information. More...

virtual void	getCalibration (QWSPointerCalibrationData *) const
	This virtual function allows subclasses of QWSMouseHandler to fill in the device coordinates in data with values that correspond to screen coordinates that are already in data. More...

void	limitToScreen (QPoint &pt)
	Ensures that the given position is within the screen's boundaries, changing the position if necessary. More...

void	mouseChanged (const QPoint &pos, int bstate, int wheel=0)
	Notifies the system of a new mouse event. More...

const QPoint &	pos () const
	Returns the current mouse position. More...

	QWSMouseHandler (const QString &driver=QString(), const QString &device=QString())
	Constructs a mouse driver. More...

void	setScreen (const QScreen *screen)
	Sets the screen for this mouse driver to be the given screen. More...

virtual	~QWSMouseHandler ()
	Destroys this mouse driver. More...

Private Types
enum	{ mouseBufSize = 128 }

Private Slots
void	readMouseData ()

Properties
uchar	mouseBuf [mouseBufSize]

int	mouseFD

int	mouseIdx

QSocketNotifier *	mouseNotifier

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

Protected Variables inherited from QWSMouseHandler
QWSMouseHandlerPrivate *	d_ptr

QPoint &	mousePos

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 57 of file qmousevfb_qws.h.

Enumerations

◆ anonymous enum

anonymous enum

private

Enumerator
mouseBufSize

Definition at line 70 of file qmousevfb_qws.h.

70 {mouseBufSize = 128};

QVFbMouseHandler::mouseBufSize

Definition: qmousevfb_qws.h:70

Constructors and Destructors

◆ QVFbMouseHandler()

QVFbMouseHandler::QVFbMouseHandler	(	const QString &	driver = `QString()`,
		const QString &	device = `QString()`
	)

Definition at line 61 of file qmousevfb_qws.cpp.

     : QObject(), QWSMouseHandler(driver, device)
 {
     QString mouseDev = device;
     if (device.isEmpty())
         mouseDev = QLatin1String("/dev/vmouse");
 
     mouseFD = QT_OPEN(mouseDev.toLatin1().constData(), O_RDWR | O_NDELAY);
     if (mouseFD == -1) {
         perror("QVFbMouseHandler::QVFbMouseHandler");
         qWarning("QVFbMouseHander: Unable to open device %s",
                  qPrintable(mouseDev));
         return;
     }
 
     // Clear pending input
     char buf[2];
     while (QT_READ(mouseFD, buf, 1) > 0) { }
 
     mouseIdx = 0;
 
     mouseNotifier = new QSocketNotifier(mouseFD, QSocketNotifier::Read, this);
     connect(mouseNotifier, SIGNAL(activated(int)),this, SLOT(readMouseData()));
 }

◆ ~QVFbMouseHandler()

QVFbMouseHandler::~QVFbMouseHandler ( )

Definition at line 86 of file qmousevfb_qws.cpp.

 {
     if (mouseFD >= 0)
         QT_CLOSE(mouseFD);
 }

Functions

◆ readMouseData

void QVFbMouseHandler::readMouseData ( )

privateslot

Definition at line 102 of file qmousevfb_qws.cpp.

Referenced by QVFbMouseHandler().

 {
     int n;
     do {
         n = QT_READ(mouseFD, mouseBuf+mouseIdx, mouseBufSize-mouseIdx);
         if (n > 0)
             mouseIdx += n;
     } while (n > 0);
 
     int idx = 0;
     static const int packetsize = sizeof(QPoint) + 2*sizeof(int);
     while (mouseIdx-idx >= packetsize) {
         uchar *mb = mouseBuf+idx;
         QPoint mousePos = *reinterpret_cast<QPoint *>(mb);
         mb += sizeof(QPoint);
         int bstate = *reinterpret_cast<int *>(mb);
         mb += sizeof(int);
         int wheel = *reinterpret_cast<int *>(mb);
 //        limitToScreen(mousePos);
         mouseChanged(mousePos, bstate, wheel);
         idx += packetsize;
     }
 
     int surplus = mouseIdx - idx;
     for (int i = 0; i < surplus; i++)
         mouseBuf[i] = mouseBuf[idx+i];
     mouseIdx = surplus;
 }

◆ resume()

void QVFbMouseHandler::resume ( )

virtual

Implement this function to resume reading and handling mouse events, e.

g., call the QSocketNotifier::setEnabled() function to enable the socket notifier.

See also: suspend()

Implements QWSMouseHandler.

Definition at line 92 of file qmousevfb_qws.cpp.

 {
     mouseNotifier->setEnabled(true);
 }

◆ suspend()

void QVFbMouseHandler::suspend ( )

virtual

Implement this function to suspend reading and handling of mouse events, e.

g., call the QSocketNotifier::setEnabled() function to disable the socket notifier.

See also: resume()

Implements QWSMouseHandler.

Definition at line 97 of file qmousevfb_qws.cpp.

 {
     mouseNotifier->setEnabled(false);
 }

Properties

◆ mouseBuf

uchar QVFbMouseHandler::mouseBuf[mouseBufSize]

private

Definition at line 71 of file qmousevfb_qws.h.

Referenced by readMouseData().

◆ mouseFD

int QVFbMouseHandler::mouseFD

private

Definition at line 68 of file qmousevfb_qws.h.

Referenced by QVFbMouseHandler(), readMouseData(), and ~QVFbMouseHandler().

◆ mouseIdx

int QVFbMouseHandler::mouseIdx

private

Definition at line 69 of file qmousevfb_qws.h.

Referenced by QVFbMouseHandler(), and readMouseData().

◆ mouseNotifier

QSocketNotifier* QVFbMouseHandler::mouseNotifier

private

Definition at line 72 of file qmousevfb_qws.h.

Referenced by QVFbMouseHandler(), resume(), and suspend().

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

/src/gui/embedded/qmousevfb_qws.h
/src/gui/embedded/qmousevfb_qws.cpp

Public Functions

Private Types

Private Slots

Properties

Additional Inherited Members

Detailed Description

Enumerations

◆ anonymous enum

Constructors and Destructors

◆ QVFbMouseHandler()

◆ ~QVFbMouseHandler()

Functions

◆ readMouseData

◆ resume()

◆ suspend()

Properties

◆ mouseBuf

◆ mouseFD

◆ mouseIdx

◆ mouseNotifier