Qt Widget setFont() works on Windows but not OS X? -

i have class(such mywidget) derived qwidget. write codes below:

// qstr qstring type; // isize int type; qfont font(qstr, isize, qfont::normal); mywidget->setfont(font); mywidget->update(); 

those codes work on windows not os x. cause of problem ?

update -------------------

my colleague has removed feature , means 'setfont' not allowed now. give .

it may occur style properties not displayed correctly depending on os. seems apple thinks interfere general , feel of mac os. try using stylesheet class instead of setting font directly.