NAME
SoQtDevice - The SoQtDevice class is the base class for the translation
devices.
The SoQt device classes provide glue functionality for translating
native GUI events from the underlying toolkit to Inventor scenegraph
SoEvent events.
SYNOPSIS
#include <Inventor/Qt/devices/SoQtDevice.h>
Inherits SoQtObject.
Inherited by SoQtKeyboard, SoQtMouse, and SoQtSpaceball.
Public Member Functions
virtual ~SoQtDevice ()
virtual void enable (QWidget *w, SoQtEventHandler *handler, void
*closure)=0
virtual void disable (QWidget *w, SoQtEventHandler *handler, void
*closure)=0
virtual const SoEvent * translateEvent (QEvent *event)=0
void setWindowSize (const SbVec2s size)
SbVec2s getWindowSize (void) const
Static Public Member Functions
static void initClasses (void)
Protected Member Functions
SoQtDevice (void)
void setEventPosition (SoEvent *event, int x, int y) const
void addEventHandler (QWidget *, SoQtEventHandler *, void *)
void removeEventHandler (QWidget *, SoQtEventHandler *, void *)
void invokeHandlers (QEvent *event)
Static Protected Member Functions
static SbVec2s getLastEventPosition (void)
Friends
class SoQtDeviceP
Detailed Description
The SoQtDevice class is the base class for the translation devices.
The SoQt device classes provide glue functionality for translating
native GUI events from the underlying toolkit to Inventor scenegraph
SoEvent events.
The device classes are mainly of interest to application programmers
when writing extensions for new types of devices, and seldom in other
contexts -- so they can most often be ignored.
Constructor & Destructor Documentation
SoQtDevice::~SoQtDevice () [virtual]
Public virtual destructor.
SoQtDevice::SoQtDevice (void) [protected]
Constructor. Protected to only enable invocation from derived device
classes.
Member Function Documentation
void SoQtDevice::enable (QWidget * widget, SoQtEventHandler * handler, void
* closure) [pure virtual]
This method will enable the device for the widget.
handler is invoked with the closure argument when an event occur in
widget.
Implemented in SoQtMouse, SoQtKeyboard, and SoQtSpaceball.
Referenced by SoQtRenderArea::buildWidget(), and
SoQtRenderArea::registerDevice().
void SoQtDevice::disable (QWidget * widget, SoQtEventHandler * handler,
void * closure) [pure virtual]
This method will disable the handler for the device.
Implemented in SoQtMouse, SoQtKeyboard, and SoQtSpaceball.
Referenced by SoQtRenderArea::unregisterDevice().
const SoEvent * SoQtDevice::translateEvent (QEvent * event) [pure virtual]
This method translates from native events to Open Inventor SoEvent
events.
Implemented in SoQtMouse, SoQtKeyboard, and SoQtSpaceball.
void SoQtDevice::setWindowSize (const SbVec2s size)
This method sets the cached size of the window the device is ’attached’
to.
Referenced by SoQtRenderArea::registerDevice().
SbVec2s SoQtDevice::getWindowSize (void) const
This method returns the cached window size.
void SoQtDevice::initClasses (void) [static]
This function initializes the type system for all the SoQt device
classes. It is called indirectly when calling SoQt::init(), so the
application programmer doesn’t have to bother with it.
References SoQtObject::initClass().
Referenced by SoQtObject::init().
void SoQtDevice::setEventPosition (SoEvent * event, int x, int y) const
[protected]
This method fills in the position information of event, translating the
coordinates into the correct coordinate system.
Referenced by SoQtMouse::translateEvent(), and
SoQtKeyboard::translateEvent().
SbVec2s SoQtDevice::getLastEventPosition (void) [static, protected]
Returns last event position that was set with
SoQtDevice::setEventPosition().
Referenced by SoQtKeyboard::translateEvent().
void SoQtDevice::addEventHandler (QWidget * widget, SoQtEventHandler *
handler, void * closure) [protected]
Stores an event handler for the widget, which can later be invoked with
SoQtDevice::invokeHandlers(). Used by extension device types.
void SoQtDevice::removeEventHandler (QWidget * widget, SoQtEventHandler *
handler, void * closure) [protected]
Remove a handler registered with SoQtDevice::addEventHandler().
void SoQtDevice::invokeHandlers (QEvent * event) [protected]
Invoke all handlers registered with SoQtDevice::addEventHandler().
Author
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