Wt::EventSignalBase Class Reference
[Signal/slot system]

Abstract base class of an event signal. More...

Inheritance diagram for Wt::EventSignalBase:

Inheritance graph
[legend]

List of all members.

Public Member Functions

const char * name () const
 Returns the event name.
virtual bool isConnected () const
 Returns whether this signal is connected.
void preventDefaultAction (bool prevent=true)
 Prevents the default browser action.
bool defaultActionPrevented () const
 Returns whether the default browser action is prevented.
void preventPropagation (bool prevent=true)
 Prevents event propagation.
bool propagationPrevented () const
 Returns whether event propagation is prevented.


Detailed Description

Abstract base class of an event signal.

An event signal is directly associated with a user-interface generated event.


Member Function Documentation

const char* Wt::EventSignalBase::name (  )  const [inline]

bool Wt::EventSignalBase::isConnected (  )  const [virtual]

void Wt::EventSignalBase::preventDefaultAction ( bool  prevent = true  ) 

Prevents the default browser action.

Use this method to prevent the default browser action associated with this event.

See also:
setPreventPropagation()

bool Wt::EventSignalBase::defaultActionPrevented (  )  const

Returns whether the default browser action is prevented.

See also:
preventDefaultAction()

void Wt::EventSignalBase::preventPropagation ( bool  prevent = true  ) 

Prevents event propagation.

Use this method to prevent that the event propagates further to its ancestors.

See also:
preventDefaultAction()

bool Wt::EventSignalBase::propagationPrevented (  )  const

Returns whether event propagation is prevented.

See also:
preventPropagation()


Generated on Thu May 20 18:14:48 2010 for Wt by doxygen 1.5.6