[Lazarus] Message Loop paused when no interaction with mouse?

Luca Olivetti luca at wetron.es
Thu Apr 21 10:28:03 CEST 2011

Al 21/04/2011 10:06, En/na Michael Schnell ha escrit:
> On 04/20/2011 06:05 PM, Luca Olivetti wrote:
>> I don't know, but I've been using for a long time a 10ms timer that
>> just does CheckSynchronize:
>> under windows when you're dragging a windows it seems that the main
>> loop doesn't fire, so Synchronize calls are blocked,
> Synchronize supposedly is blocked when there is too much GUI thread
> activity and the appropriate event does not get handled. Maybe when
> dragging a window GTK blocks in some event, which is 100% GUI thread
> activity from the application's point of view.
>> with the timer there's no such problem.
> IMHO, This kind of polling is not a good idea (but just a work around).
> But of course you can't change what the GTK does when dragging a window :(.

with "under windows" I mean the win32 widgetset, not gtk.

Luca Olivetti
Wetron Automation Technology http://www.wetron.es
Tel. +34 935883004 (Ext.133)  Fax +34 935883007

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