For QToolButton : all you need (i.e. width, height, x, y) QToolButton has! Take a look here and here are some ways:
setFixedHeight ( int )
setFixedSize ( const QSize & )
setFixedSize ( int, int )
setFixedWidth ( int )
QPushButton, , . , , , , paintEvent() update() setStyleSheet(). ( , )
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