[Interest] question for a blocking background thread call

Giuseppe D'Angelo giuseppe.dangelo at kdab.com
Tue Oct 20 23:26:10 CEST 2020

On 20/10/2020 22:16, Scott Bloom wrote:
> Essentially, on a “button click” a long running blocking function call 
> is executed. I can safely call the function into a background thread, 
> but I don’t want the gui flow to continue.
> My idea is the following, a class that takes a lambda.
> When a blocking function is called on the class, the lambda is executed 
> in a background thread.  While the function waits calling processEvents 
> without user events being handled (this part is easy…)
> Does anyone have an example to follow for this.  Unfortunately, Im 
> hitting all sorts of weirdness when getting this.

Can't you just create a QDialog and exec() it?

Giuseppe D'Angelo | giuseppe.dangelo at kdab.com | Senior Software Engineer
KDAB (France) S.A.S., a KDAB Group company
Tel. France +33 (0)4 90 84 08 53, http://www.kdab.com
KDAB - The Qt, C++ and OpenGL Experts

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