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uevent::onidle - Request merging and deferal to idle time

Api

       The package exports a class, uevent::onidle, as specified below.

       ::uevent::onidleobjectNamecommandprefix
              The command creates a new onidle object with an  associated  global  Tcl  command  whose  name  is
              objectName.  This command may be used to invoke various operations on the object.

              The  commandprefix  is the action to perform when the event loop is idle and the user asked for it
              using the method request (See below).

       The object commands created by the class commands above have the form:

       objectNamerequest
              This method requests the execution of the command prefix  specified  during  the  construction  of
              objectName  the  next time the event loop is idle. Multiple requests are merged and cause only one
              execution of the command prefix.

Bugs, Ideas, Feedback

       This document, and the package it describes, will undoubtedly contain bugs and  other  problems.   Please
       report such in the category uevent of the TcllibTrackers [http://core.tcl.tk/tcllib/reportlist].  Please
       also report any ideas for enhancements you may have for either package and/or documentation.

       When proposing code changes, please provide unifieddiffs, i.e the output of diff-u.

       Note  further  that  attachments  are strongly preferred over inlined patches. Attachments can be made by
       going to the Edit form of the ticket immediately after its creation, and then using the left-most  button
       in the secondary navigation bar.

Description

       This package provides objects which can merge multiple requestes for an action and execute the action the
       moment  the  system  (event  loop)  becomes  idle.  The  action  to  be  run  is configured during object
       construction.

Examples

       Examples of this type of deferal are buried in the (C-level) implementations all the Tk widgets, defering
       geometry calculations and window redraw activity in this manner.

Keywords

       callback, deferal, event, idle, merge, on-idle

Name

       uevent::onidle - Request merging and deferal to idle time

Synopsis

       package require Tcl8.59

       package require uevent::onidle?0.2?

       package require logger::uevent::onidleobjectNamecommandprefixobjectNamerequest

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See Also