Inheritance diagram for QWSTslibMouseHandlerPrivate:

Public Functions
void	calibrate (const QWSPointerCalibrationData *data)

void	clearCalibration ()

	QWSTslibMouseHandlerPrivate (QWSTslibMouseHandler *h, const QString &device)

void	resume ()

void	suspend ()

	~QWSTslibMouseHandlerPrivate ()

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...

Private Slots
void	readMouseData ()

Private Functions
void	close ()

bool	get_sample (struct ts_sample *sample)

bool	open ()

Properties
bool	calibrated

struct tsdev *	dev

QString	devName

QWSTslibMouseHandler *	handler

int	jitter_limit

int	lastdx

int	lastdy

struct ts_sample	lastSample

QSocketNotifier *	mouseNotifier

bool	wasPressed

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 102 of file qmousetslib_qws.cpp.

Constructors and Destructors

◆ QWSTslibMouseHandlerPrivate()

QWSTslibMouseHandlerPrivate::QWSTslibMouseHandlerPrivate	(	QWSTslibMouseHandler *	h,
		const QString &	device
	)

Definition at line 138 of file qmousetslib_qws.cpp.

     : handler(h), dev(0), mouseNotifier(0), jitter_limit(3)
 {
     QStringList args = device.split(QLatin1Char(':'), QString::SkipEmptyParts);
     QRegExp jitterRegex(QLatin1String("^jitter_limit=(\\d+)$"));
     int index = args.indexOf(jitterRegex);
     if (index >= 0) {
         jitter_limit = jitterRegex.cap(1).toInt();
         args.removeAt(index);
     }
 
     devName = args.join(QString());
 
     if (devName.isNull()) {
         const char *str = getenv("TSLIB_TSDEVICE");
         if (str)
             devName = QString::fromLocal8Bit(str);
     }
 
     if (devName.isNull())
         devName = QLatin1String("/dev/ts");
 
     if (!open())
         return;
 
     calibrated = true;
 
     int fd = ts_fd(dev);
     mouseNotifier = new QSocketNotifier(fd, QSocketNotifier::Read, this);
     connect(mouseNotifier, SIGNAL(activated(int)),this, SLOT(readMouseData()));
     resume();
 }

◆ ~QWSTslibMouseHandlerPrivate()

QWSTslibMouseHandlerPrivate::~QWSTslibMouseHandlerPrivate ( )

Definition at line 172 of file qmousetslib_qws.cpp.

 {
     close();
 }

Functions

◆ calibrate()

void QWSTslibMouseHandlerPrivate::calibrate ( const QWSPointerCalibrationData * data )

Definition at line 307 of file qmousetslib_qws.cpp.

Referenced by QWSTslibMouseHandler::calibrate().

 {
     suspend();
     close();
     // default implementation writes to /etc/pointercal
     // using the same format as the tslib linear module.
     handler->QWSCalibratedMouseHandler::calibrate(data);
     calibrated = true;
     open();
     resume();
 }

◆ clearCalibration()

void QWSTslibMouseHandlerPrivate::clearCalibration ( )

Definition at line 297 of file qmousetslib_qws.cpp.

Referenced by QWSTslibMouseHandler::clearCalibration().

 {
     suspend();
     close();
     handler->QWSCalibratedMouseHandler::clearCalibration();
     calibrated = false;
     open();
     resume();
 }

◆ close()

void QWSTslibMouseHandlerPrivate::close ( )

private

Definition at line 198 of file qmousetslib_qws.cpp.

Referenced by calibrate(), clearCalibration(), open(), and ~QWSTslibMouseHandlerPrivate().

 {
     if (dev)
         ts_close(dev);
 }

◆ get_sample()

bool QWSTslibMouseHandlerPrivate::get_sample ( struct ts_sample * sample )

inlineprivate

Definition at line 220 of file qmousetslib_qws.cpp.

Referenced by readMouseData().

 {
     if (!calibrated)
         return (ts_read_raw(dev, sample, 1) == 1);
 
     return (ts_read(dev, sample, 1) == 1);
 }

◆ open()

bool QWSTslibMouseHandlerPrivate::open ( )

private

Definition at line 177 of file qmousetslib_qws.cpp.

Referenced by calibrate(), clearCalibration(), and QWSTslibMouseHandlerPrivate().

 {
     dev = ts_open(devName.toLocal8Bit().constData(), 1);
     if (!dev) {
         qCritical("QWSTslibMouseHandlerPrivate: ts_open() failed"
                   " with error: '%s'", strerror(errno));
         qCritical("Please check your tslib installation!");
         return false;
     }
 
     if (ts_config(dev)) {
         qCritical("QWSTslibMouseHandlerPrivate: ts_config() failed"
                   " with error: '%s'", strerror(errno));
         qCritical("Please check your tslib installation!");
         close();
         return false;
     }
 
     return true;
 }

◆ readMouseData

void QWSTslibMouseHandlerPrivate::readMouseData ( )

privateslot

Definition at line 228 of file qmousetslib_qws.cpp.

Referenced by QWSTslibMouseHandlerPrivate().

 {
     if (!qt_screen)
         return;
 
     for(;;) {
         struct ts_sample sample = lastSample;
         bool pressed = wasPressed;
 
         // Fast return if there's no events.
         if (!get_sample(&sample))
             return;
         pressed = (sample.pressure > 0);
 
         // Only return last sample unless there's a press/release event.
         while (pressed == wasPressed) {
             if (!get_sample(&sample))
                 break;
             pressed = (sample.pressure > 0);
         }
 
         // work around missing coordinates on mouse release in raw mode
         if (!calibrated && !pressed && sample.x == 0 && sample.y == 0) {
             sample.x = lastSample.x;
             sample.y = lastSample.y;
         }
 
         int dx = sample.x - lastSample.x;
         int dy = sample.y - lastSample.y;
 
         // Remove small movements in oppsite direction
         if (dx * lastdx < 0 && qAbs(dx) < jitter_limit) {
             sample.x = lastSample.x;
             dx = 0;
         }
         if (dy * lastdy < 0 && qAbs(dy) < jitter_limit) {
             sample.y = lastSample.y;
             dy = 0;
         }
 
         if (wasPressed == pressed && dx == 0 && dy == 0)
             return;
 
 #ifdef TSLIBMOUSEHANDLER_DEBUG
         qDebug() << "last" << QPoint(lastSample.x, lastSample.y)
                  << "curr" << QPoint(sample.x, sample.y)
                  << "dx,dy" << QPoint(dx, dy)
                  << "ddx,ddy" << QPoint(dx*lastdx, dy*lastdy)
                  << "pressed" << wasPressed << pressed;
 #endif
 
         lastSample = sample;
         wasPressed = pressed;
         if (dx != 0)
             lastdx = dx;
         if (dy != 0)
             lastdy = dy;
 
         const QPoint p(sample.x, sample.y);
         if (calibrated) {
             // tslib should do all the translation and filtering, so we send a
             // "raw" mouse event
             handler->QWSMouseHandler::mouseChanged(p, pressed);
         } else {
             handler->sendFiltered(p, pressed);
         }
     }
 }

◆ resume()

void QWSTslibMouseHandlerPrivate::resume ( )

Definition at line 210 of file qmousetslib_qws.cpp.

Referenced by calibrate(), clearCalibration(), QWSTslibMouseHandlerPrivate(), and QWSTslibMouseHandler::resume().

 {
     memset(&lastSample, 0, sizeof(lastSample));
     wasPressed = false;
     lastdx = 0;
     lastdy = 0;
     if (mouseNotifier)
         mouseNotifier->setEnabled(true);
 }

◆ suspend()

void QWSTslibMouseHandlerPrivate::suspend ( )

Definition at line 204 of file qmousetslib_qws.cpp.

Referenced by calibrate(), clearCalibration(), and QWSTslibMouseHandler::suspend().

 {
     if (mouseNotifier)
         mouseNotifier->setEnabled(false);
 }

Properties

◆ calibrated

bool QWSTslibMouseHandlerPrivate::calibrated

private

Definition at line 127 of file qmousetslib_qws.cpp.

Referenced by calibrate(), clearCalibration(), get_sample(), QWSTslibMouseHandlerPrivate(), and readMouseData().

◆ dev

struct tsdev* QWSTslibMouseHandlerPrivate::dev

private

Definition at line 118 of file qmousetslib_qws.cpp.

Referenced by close(), get_sample(), open(), and QWSTslibMouseHandlerPrivate().

◆ devName

QString QWSTslibMouseHandlerPrivate::devName

private

Definition at line 128 of file qmousetslib_qws.cpp.

Referenced by open(), and QWSTslibMouseHandlerPrivate().

◆ handler

QWSTslibMouseHandler* QWSTslibMouseHandlerPrivate::handler

private

Definition at line 117 of file qmousetslib_qws.cpp.

Referenced by calibrate(), clearCalibration(), and readMouseData().

◆ jitter_limit

int QWSTslibMouseHandlerPrivate::jitter_limit

private

Definition at line 120 of file qmousetslib_qws.cpp.

Referenced by QWSTslibMouseHandlerPrivate(), and readMouseData().

◆ lastdx

int QWSTslibMouseHandlerPrivate::lastdx

private

Definition at line 124 of file qmousetslib_qws.cpp.

Referenced by readMouseData(), and resume().

◆ lastdy

int QWSTslibMouseHandlerPrivate::lastdy

private

Definition at line 125 of file qmousetslib_qws.cpp.

Referenced by readMouseData(), and resume().

◆ lastSample

struct ts_sample QWSTslibMouseHandlerPrivate::lastSample

private

Definition at line 122 of file qmousetslib_qws.cpp.

Referenced by readMouseData(), and resume().

◆ mouseNotifier

QSocketNotifier* QWSTslibMouseHandlerPrivate::mouseNotifier

private

Definition at line 119 of file qmousetslib_qws.cpp.

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

◆ wasPressed

bool QWSTslibMouseHandlerPrivate::wasPressed

private

Definition at line 123 of file qmousetslib_qws.cpp.

Referenced by readMouseData(), and resume().

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

/src/gui/embedded/qmousetslib_qws.cpp

Public Functions

Private Slots

Private Functions

Properties

Additional Inherited Members

Detailed Description

Constructors and Destructors

◆ QWSTslibMouseHandlerPrivate()

◆ ~QWSTslibMouseHandlerPrivate()

Functions

◆ calibrate()

◆ clearCalibration()

◆ close()

◆ get_sample()

◆ open()

◆ readMouseData

◆ resume()

◆ suspend()

Properties

◆ calibrated

◆ dev

◆ devName

◆ handler

◆ jitter_limit

◆ lastdx

◆ lastdy

◆ lastSample

◆ mouseNotifier

◆ wasPressed