SoButtonEvent (3)

The sobuttonevent class is the base class for all button events. the event classes which results from the user pushing buttons on some device (keyboard, mouse or spaceball) all inherit this class. the sobuttonevent class contains methods for setting and getting the state of the button(s).

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  4. SoButtonEvent: The sobuttonevent class is the base class for all button events. the event classes which results from the user pushing buttons on some device (keyboard, mouse or spaceball) all inherit this class. the sobuttonevent class contains methods for setting and getting the state of the button(s).
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  4. SoButtonEvent: The sobuttonevent class is the base class for all button events. the event classes which results from the user pushing buttons on some device (keyboard, mouse or spaceball) all inherit this class. the sobuttonevent class contains methods for setting and getting the state of the button(s).

SYNOPSIS

#include <Inventor/events/SoButtonEvent.h>

Inherits SoEvent.

Inherited by SoKeyboardEvent, SoMouseButtonEvent, and SoSpaceballButtonEvent.

Public Types

enum State { UP, DOWN, UNKNOWN }

Public Member Functions

virtual SoType getTypeId (void) const

SoButtonEvent (void)

virtual ~SoButtonEvent ()

void setState (State state)

State getState (void) const

Static Public Member Functions

static SoType getClassTypeId (void)

static void initClass (void)

static SbBool enumToString (State enumval, SbString &stringrep)

Detailed Description

The SoButtonEvent class is the base class for all button events.

The event classes which results from the user pushing buttons on some device (keyboard, mouse or spaceball) all inherit this class. The SoButtonEvent class contains methods for setting and getting the state of the button(s).

See also:

SoEvent, SoKeyboardEvent, SoMouseButtonEvent, SoSpaceballButtonEvent

SoEventCallback, SoHandleEventAction

Member Enumeration Documentation

enum \fBSoButtonEvent::State\fP

This gives the actual state of the button.

Enumerator

UP

Button has been released.

DOWN

Button has been pressed down.

UNKNOWN

The state of the button is unknown.

Constructor & Destructor Documentation

SoButtonEvent::SoButtonEvent (void)

Constructor.

SoButtonEvent::~SoButtonEvent ()\fC [virtual]\fP

Destructor.

Member Function Documentation

\fBSoType\fP SoButtonEvent::getTypeId (void) const\fC [virtual]\fP

Returns the actual type id of an instantiated object.

Reimplemented from SoEvent.

Reimplemented in SoKeyboardEvent, SoSpaceballButtonEvent, and SoMouseButtonEvent.

void SoButtonEvent::initClass (void)\fC [static]\fP

Initialize the type information data.

void SoButtonEvent::setState (\fBSoButtonEvent::State\fPstate)

Set the state of the button which the user interacted with.

This method is used from the window specific device classes when translating events to the generic Coin library.

See also:

getState()

\fBSoButtonEvent::State\fP SoButtonEvent::getState (void) const

Returns the state of the button which is the cause of the event, i.e. whether it was pushed down or released.

See also:

wasShiftDown(), wasCtrlDown(), wasAltDown(), getPosition(), getTime()

SbBool SoButtonEvent::enumToString (\fBState\fPenumval, \fBSbString\fP &stringrep)\fC [static]\fP

Converts from an enum value of type SoButtonEvent::State to a string containing the enum symbol.

This function is an extension for Coin, and it is not available in the original SGI Open Inventor v2.1 API.

Since:

Coin 3.0

Author

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