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List:       kde-devel
Subject:    Re: Qt Designer and sub-classing
From:       Andreas Pakulat <apaku () gmx ! de>
Date:       2008-02-18 13:38:36
Message-ID: 20080218133836.GE19874 () morpheus ! apaku ! dnsalias ! org
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On 18.02.08 19:26:51, Robin Atwood wrote:
> On Monday 18 Feb 2008, Andreas Pakulat wrote:
> 
> > > > Yes, there is, I have already tried it. I can create a trivial custom
> > > > widget and import the header,  but when I try and paint it on a form it
> > > > disappears!
> >
> > I just tested it with the attached files (just drop them in a dir, run
> > qmake -project; qmake; make) and it works fine for me.
> 
> Thanks very much for all your help, it is very good of you! I used your header 
> file to make a new custom widget and then was able to drag it onto a form. I 
> then changed your header file to mine, keeping the default 
> name "MyCustomWidget" and then I was able to add my widget to a form. I then 
> changed the name to something more meaningful and it stopped working again: 

The name you use inside the "Edit Custom Widgets" dialog in designer
needs to be the same as the class name you use.

> when I dragged the widget onto a form, it refused to "stick". After messing 
> around with with different headers and names, I finally got a custom widget 
> with a sensible name and my code. I also got several segfaults in KDevelop 
> and my opinion is that the whole process is very flaky but I am up and 
> running now, so never mind.  

I suggest to not use the integrated designer in KDevelop3, its got quite
a few weak points regarding stability. The standalone qt designer is a
lot more stable.

Andreas

-- 
You will win success in whatever calling you adopt.
 
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