[Interest] Change widget type of Qt Creator Form Class

[John Weeks]

We often just edit the .ui file. It's XML and not too hard to comprehend. You probably have to change it in a couple places.

-John Weeks

On Apr 11, 2014, at 11:38 AM, Murphy, Sean <smurphy at walbro.com> wrote:

> Is there a way to easily change the base class of a Qt Designer Form Class?
>  
> I created a new custom widget using Qt Creator’s “Add New…->Qt->Qt Designer Form Class” wizard.  At the time, I chose “Widget” as my form template.  So at the end of that sequence I ended up with myWidget.h, myWidget.cpp, and myWidget.ui.  I then added some code.  Then I realized that I should have had the custom widget inherit from QFrame, not QWidget.  Is there an easy way to make that switch now that code is already written?
>  
> In the .h and .cpp file, it’d be trivial to do a find & replace of QWidget -> QFrame, but I’m not seeing an easy way to change the base widget type in the designer UI using the UI controls.  I’m assuming I could hack the raw XML in the .ui file and change the line:
>   <widget class="QWidget" name="myWidget">
> To:
>    <widget class="QFrame" name="myWidget">
>  
> But that seems like a bit of a hack, and maybe that’s not even sufficient?
> Sean
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