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NAME

       SoQtMouse -

       The SoQtMouse class is the mouse input device abstraction.

       The SoQtMouse class is the glue between native mouse handling and mouse interaction in the
       Inventor scenegraph.

SYNOPSIS

       #include <Inventor/Qt/devices/SoQtMouse.h>

       Inherits SoQtDevice.

   Public Types
       enum Events { BUTTON_PRESS =  0x01, BUTTON_RELEASE =  0x02, POINTER_MOTION =  0x04,
           BUTTON_MOTION =  0x08, ALL_EVENTS =  BUTTON_PRESS | BUTTON_RELEASE | POINTER_MOTION |
           BUTTON_MOTION }

   Public Member Functions
       SoQtMouse (int eventmask=ALL_EVENTS)
       virtual ~SoQtMouse (void)
       virtual void enable (QWidget *widget, SoQtEventHandler *handler, void *closure)
       virtual void disable (QWidget *widget, SoQtEventHandler *handler, void *closure)
       virtual const SoEvent * translateEvent (QEvent *event)

   Friends
       class SoQtMouseP
       class SoGuiMouseP

Detailed Description

       The SoQtMouse class is the mouse input device abstraction.

       The SoQtMouse class is the glue between native mouse handling and mouse interaction in the
       Inventor scenegraph.

       All components derived from the SoQtRenderArea have got an SoQtMouse device attached by
       default.

       One important note for application programmers: our mappings to
       SoMouseButtonEvent::BUTTON2 and SoMouseButtonEvent::BUTTON3 do not match the mappings in
       SGI's InventorXt library or TGS's SoWin library for 3-button mice. They map mouse buttons
       like this:

       · left button: SoMouseButtonEvent::BUTTON1
       · middle button: SoMouseButtonEvent::BUTTON2
       · right button: SoMouseButtonEvent::BUTTON3
       While in this SIM SoQt library the mappings are:
       · left button: SoMouseButtonEvent::BUTTON1
       · middle button: SoMouseButtonEvent::BUTTON3
       · right button: SoMouseButtonEvent::BUTTON2
       This is a conscious design decision we've made. The reason is that BUTTON2 should be the
       right mouse button whether you have a 2-button mouse or a 3-button mouse.

Member Enumeration Documentation

   enum SoQtMouse::Events Enumeration over supported mouse events.
       Enumerator:
       BUTTON_PRESS
              Maskbit for mousebutton press events.
       BUTTON_RELEASE
              Maskbit for mousebutton release events.
       POINTER_MOTION
              Maskbit for mousepointer motion events.
       BUTTON_MOTION
              Maskbit for mousepointer motion events with one or more mousebuttons pressed.
       ALL_EVENTS
              Mask which includes all the maskbits in the enum (ie use this to signal interest in
              all kinds of events for the mouse device).

Constructor & Destructor Documentation

   SoQtMouse::SoQtMouse (intmask = ALL_EVENTS) Constructor. The mask argument should contain the
       set of SoQtMouse::Events one is interested in tracking.
   SoQtMouse::~SoQtMouse (void) [virtual] Destructor.

Member Function Documentation

   void SoQtMouse::enable (QWidget *widget, SoQtEventHandler *handler, void *closure) [virtual]
       This method will enable the device for the widget.
       handler is invoked with the closure argument when an event occur in widget.
       Implements SoQtDevice.
   void SoQtMouse::disable (QWidget *widget, SoQtEventHandler *handler, void *closure) [virtual]
       This method will disable the handler for the device.
       Implements SoQtDevice.
   const SoEvent * SoQtMouse::translateEvent (QEvent *event) [virtual] Translates a native event
       from the underlying toolkit into a generic event.
       This is then returned in the form of an instance of a subclass of the Inventor API's
       SoEvent class, either an SoMouseButtonEvent or an SoLocation2Event, depending on whether
       the native event is a mousebutton press / release, or a mousecursor movement event.
       The mapping of the mousebuttons upon generation of SoMouseButtonEvent events will be done
       as follows:
       · left mousebutton: SoMouseButtonEvent::BUTTON1
       · right mousebutton: SoMouseButtonEvent::BUTTON2
       · middle mousebutton, if available: SoMouseButtonEvent::BUTTON3
       · forward motion on a wheel mouse: SoMouseButtonEvent::BUTTON4
       · backward motion on a wheel mouse: SoMouseButtonEvent::BUTTON5
       Note that the rightmost mousebutton will always map to SoMouseButtonEvent::BUTTON2, even
       on a 3-button mouse.
       Implements SoQtDevice.
       References BUTTON_MOTION, BUTTON_PRESS, BUTTON_RELEASE, POINTER_MOTION, and
       SoQtDevice::setEventPosition().

Author

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