[Qt-interest] SOLVED Updating Window Geometry on a widget being hidden

[Josh]

Hello all again,

It just dawned on me what function I needed to call. It was 
mainWin->vboxLayout->invalidate(); for those who are interested... Thanks.

Josh

> Hello all,
>
> This should be really easy, but for some reason I can't figure it out. I'd
> appreciate what I imagine is a simple pointer...
>
> I have some code that gets called in response to user input (ie clicking a
> button). This code hides a widget on the main window, and then needs to do
> some calculations based on the new window geometry (when the widget is
> hidden, the other widgets resize). Unfortunately, I haven't figured out
> how to synchronously force the window geometry to update so it is all
> correct in my doGeometryCalculations() function. Adding a spin loop around
> qApp->processEvents() makes it work, so I know everthing else is ok, but
> just can't figure out how to force all the geometry to update. Thanks!
>
> Josh
>
>
>   mainWin->widget->hide();
>   mainWin->update(); // I also tried  mainWin->updateGeometry(); mainWin->repaint();
> //for(int i=0;i<99;i++) //with spin loop it works, but I want to do correctly without spin loop
>   qApp->processEvents();
>   doGeometryCalculations();
>
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