QLabel auto multiple lines
If I understood your question correctly, you should use the setWordWrap function for your label, with true as its parameter. QLabel lbl(“long long string”); lbl.setWordWrap(true);
qlabel
Qt: resizing a QLabel containing a QPixmap while keeping its aspect ratio
In order to change the label size you can select an appropriate size policy for the label like expanding or minimum expanding. You can scale the pixmap by keeping its aspect ratio every time it changes: QPixmap p; // load pixmap // get label dimensions int w = label->width(); int h = label->height(); // set … Read more
QLabel: set color of text and background
The best and recommended way is to use Qt Style Sheet. Docs: Qt 5 Style Sheet, Qt 6 Style Sheet. To change the text color and background color of a QLabel, here is what I would do : QLabel* pLabel = new QLabel; pLabel->setStyleSheet(“QLabel { background-color : red; color : blue; }”); You could also … Read more