Can you add more test buttons to your UI. So we can find out whats wrong with QLabel. Why only label's font is not getting changed.
Advanced user
Re: How to change the font and color of entire Qt application at runtime?
Can you add more test buttons to your UI. So we can find out whats wrong with QLabel. Why only label's font is not getting changed.
Intermediate user
Re: How to change the font and color of entire Qt application at runtime?
Assumably, the label is not being updated because it is not being redrawn. Try, the updateAllWidgets function shown at QApplication::allWidgets
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