[Interest] Making a "popup" QLineEdit

André Somers andre at familiesomers.nl
Tue Oct 22 10:45:05 CEST 2013

Op 21-10-2013 20:14, Etienne Sandré-Chardonnal schreef:
> I tried that, creation and positioning works. But I cannot manage to 
> set the focus on the created widget, setFocus() does nothing as the 
> widget is a window. I'ts quite annoying for the user experience that 
> the QLineEdit does not pop with focus.
> Etienne
> Le vendredi 18 octobre 2013, André Somers a écrit :
>     Try popping up a QLineEdit with parent set to 0, and call this on it:
>     myLineEdit->setWindowFlags(Qt::ToolTip|Qt::Window);
>     You can also play around with other window flags of course.
>     Obviously, you will need to position the line edit before showing,
>     relative to the widget it is connected to. Take care that the
>     coordinate system of a widget with a parent is relative to its
>     parent, while that of a a widget without a parent is the global
>     coordinate system. So, use QWidget::mapToGlobal from your
>     widget-that-needs-to-show-a-popup-line-edit to get its global
>     coordinates.

You're looking for the activateWindow method...


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