[Qt-interest] About QWidget::contentsMargins()

[Malyushytsky, Alex]

> 1) widget->contentsMargins() != widget->layout()->contentsMargins() Should
> they not be the same? How are they different from each other?

As far as I understand the difference is that such margins can be used with QWidget derived class without any layout set:

"void QWidget::setContentsMargins ( int left, int top, int right, int bottom )
The margins ... may be used by subclasses to specify the area to draw in (e.g. excluding the frame)."

Regards,
   Alex

-----Original Message-----
From: qt-interest-bounces+alex=wai.com at qt.nokia.com [mailto:qt-interest-bounces+alex=wai.com at qt.nokia.com] On Behalf Of Kishore
Sent: Monday, June 27, 2011 7:17 AM
To: qt-interest at qt.nokia.com
Subject: Re: [Qt-interest] About QWidget::contentsMargins()

On Saturday 25 Jun 2011 8:59:44 AM Kishore Jonnalagadda wrote:
> I have a couple questions about QWidgets and contents margins.
>
> 1) widget->contentsMargins() != widget->layout()->contentsMargins() Should
> they not be the same? How are they different from each other?
>
> 2) The documentation for QMargins::QMargins() indicates that this default
> constructor creates an object with values obtained from the style in use
> which is typically 11. However, under linux/KDE with the default oxygen
> theme, the defult size used in QMargins in indeed 11 but when i try to read
> qApp->style()->pixelMetric(QStyle::PM_Layout*Margin) it returns 4. Further,
> 4 is also the value shown by designer in its properties view and preview but
> then becomes 11 when used in the final application.
>
> Are these bugs? or do i misunderstand the concepts?

*bump* Can anybody educate me on these topics?
Cheers!
Kishore
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