I am currently using a QMainWindow widget and I would like to remove margins around the widget inside. I success to remove margins for window borders but not for the widgets inside my window.
Here is my code, for example :
this->mainWidget = new QWidget(this);
this->mainLayout = new QHBoxLayout;
QLabel *foo = new QLabel("foo", this);
QLabel *bar = new QLabel("bar", this);
mainLayout->setContentsMargins(0, 0, 0, 0); // Remove margins for window borders
this->setWindowFlags(Qt::FramelessWindowHint);
foo->setStyleSheet("background-color: green");
bar->setStyleSheet("background-color: red");
foo->setContentsMargins(0, 0, 0, 0); // Has no effect
bar->setContentsMargins(0, 0, 0, 0); // Has no effect
this->mainLayout->addWidget(foo);
this->mainLayout->addWidget(bar);
this->mainWidget->setLayout(mainLayout);
this->setCentralWidget(mainWidget);
And here is what it rendered :
I would like to remove the white part between the two widgets.
Have you an idea how to make that kind of things ?
Thank you.
You simply need to set the spacing attribute of your box layout to zero:
this->mainLayout->setSpacing(0);
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