Oxygen style bad drawing

David Jarvie djarvie at kde.org
Sat Mar 8 16:09:39 GMT 2008

On Fri 7 March 2008 19:44:00 Rafael Fernández López wrote:
> Hi all,
> When going deeper into the WoC strategy applied to MVC, I ran into a
> problem (Oxygen specific). I set a green background in purpose to check
> what was going on:
> http://media.ereslibre.es/2008/03/goyatest1.png
> I was rendering with QWidget::render() method, and I wasn't setting the
> flag QWidget::DrawWindowBackground. Note that a border is drawn, making a
> really ugly effect.
> I tried with other styles, and this didn't happen. For instance, Plastique:
> http://media.ereslibre.es/2008/03/goyatest2.png
> Then, I took a look to Oxygen's style code, and reached the point of the
> method OxygenStyle::renderWindowBackground. That seems to be the root of
> the problem. The attached patch "fixes" this problem. I guess we want this
> method only for certain widgets (windows), so we probably should make a
> cast inside, but I wasn't sure for which widgets we want the radial
> gradient. What is for sure is that we don't want it for all widgets.

I've been having this problem with rendering a QSpinBox under Oxygen. Now I 
know why! :) It would be good if this was fixed.

David Jarvie.
KAlarm author and maintainer.

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