tbx  0.7.5
Public Member Functions | List of all members
tbx::PrePollListener Class Referenceabstract

Class to provide a listener to allow processing before the call to wimp poll. More...

#include <prepolllistener.h>

Inheritance diagram for tbx::PrePollListener:
tbx::Listener PThreadGuard

Public Member Functions

virtual bool pre_poll ()=0
 Method called immediately before the call to Wimp_Poll. More...
 
- Public Member Functions inherited from tbx::Listener
virtual ~Listener ()
 Destroy the listener object.
 

Additional Inherited Members

- Protected Member Functions inherited from tbx::Listener
 Listener ()
 Construct the Listener object.
 

Detailed Description

Class to provide a listener to allow processing before the call to wimp poll.

There can only be one of these listeners and it is provided to give a hook for extra low-level processing required to implement some features.

Member Function Documentation

◆ pre_poll()

virtual bool tbx::PrePollListener::pre_poll ( )
pure virtual

Method called immediately before the call to Wimp_Poll.

Returns
true to change the poll to being a null event poll, false otherwise.

The documentation for this class was generated from the following file: