qt label alignment center

[IknowQT]

I put a label and a button on the vertical layout.
I want to put the label in the center, what should I do?

[Qt embedded developer]

@IknowQT If possible please take horizontal layout there when you can add label and pushbutton at that time add layout stretch for your label.

[JoeCFD]

create a horizontal layout. Align your label to the center and your button to the right. You may need some margin on the right side as well for your button.

[Cobra91151]

@IknowQT

Hello!

I suggest you check out the setAlignment (https://doc.qt.io/qt-5/qlayout.html#setAlignment) method and try it for your vertical layout. You can use the addWidget (https://doc.qt.io/qt-5/qboxlayout.html#addWidget) method and set the alignment specifically for your label, for example:

Code:
setAlignment example

QVBoxLayout *mainLayout = new QVBoxLayout();
mainLayout->setAlignment(Qt::AlignHCenter);
mainLayout->addWidget(ui->label);

addWidget exmaple

QVBoxLayout *mainLayout = new QVBoxLayout();
mainLayout->addWidget(ui->label, 0, Qt::AlignHCenter);

Result:

Also, you can combine the vertical and horizontal layouts by using the addLayout (https://doc.qt.io/qt-5/qboxlayout.html#addLayout) method. In your question is unclear where the button should be placed, so please specify it and I will edit my code. Happy coding!

[Thank You]

@IknowQT

Another option to @Cobra91151 's answer is to use spacers.

Use spacers on all side and use Grid layout.

[IknowQT]

@Qt-embedded-developer

this->ui.horizontalLayout->setStretch(0, 10);
this->ui.horizontalLayout->setStretch(1, 300);
this->ui.horizontalLayout->setStretch(2, 10);

I changed it to a horizontal layout, but the middle is not aligned. The qt alignment is also centered.