Wt  3.2.0
Public Member Functions
Wt::EventSignalBase Class Reference

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

Inheritance diagram for Wt::EventSignalBase:
Inheritance graph
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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

bool Wt::EventSignalBase::defaultActionPrevented ( ) const

Returns whether the default browser action is prevented.

See also:
preventDefaultAction()
bool Wt::EventSignalBase::isConnected ( ) const [virtual]
const char* Wt::EventSignalBase::name ( ) const
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()
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()
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