[Qt-interest] How to control QWidget margin

[John McClurkin]

birman wrote:
> Hi all,
> 
> I want to control the margin of QWidget.
> In my situation, some Widgets are added to QWidget using Layout as below.
> 
> CustomWidget:: CustomWidget(QWidget *parent) : QWidget(parent)
> {
>     setContentsMargins(0, 0, 0, 0);
>     
>     layout = new QHBoxLayout;
>     layout->setSpacing(0);
>        
>     (Create some Widgets....)
>     
>     layout->addWidget(aWidget1);
>     layout->addWidget(aWidget2);
>     
>     setLayout(layout);
> }
> 
> But, when CustomWidget was shown, there is the margin of about 20 pixels.
> Can I control it?
> 
> Environment:
>    Qt 4.4.3 on Mac OSX
> 
> Thanks in advance.
> 
> birman
I think you need to call
	layout->setMargin(0);
as well.