qcombobox – Row Coding

How do I set the background color of a widget like combobox or double spin box?

September 25, 2023 by Tarik

fhe is generally correct, but doesn’t account for the widgets (like spin boxes and buttons/comboboxes) that use a different background role in the palette. A more general solution would be something like this: QPalette pal = widget.palette(); pal.setColor(widget.backgroundRole(), Qt::blue); widget.setPalette(pal); Alternatively, you could look into the descriptions of the various palette roles and figure out … Read more

How do you get the current text contents of a QComboBox?

August 17, 2023 by Tarik

You can convert the QString type to python string by just using the str function. Assuming you are not using any Unicode characters you can get a python string as below: text = str(combobox1.currentText()) If you are using any unicode characters, you can do: text = unicode(combobox1.currentText())

QComboBox – set selected item based on the item’s data

May 23, 2023 by Tarik

You lookup the value of the data with findData() and then use setCurrentIndex() QComboBox* combo = new QComboBox; combo->addItem(“100”,100.0); // 2nd parameter can be any Qt type combo->addItem ….. float value=100.0; int index = combo->findData(value); if ( index != -1 ) { // -1 for not found combo->setCurrentIndex(index); }

How can I get the selected VALUE out of a QCombobox?

November 27, 2022 by Tarik

It seems you need to do combobox->itemData(combobox->currentIndex()) if you want to get the current data of the QComboBox. If you are using your own class derived from QComboBox, you can add a currentData() function.