5.7.0 "fusion" () "QMenuBar { background-color: rgb(255, 0, 0); }" QStyleSheetStyle::drawControl CE_MenuBarItem "fusion" QStyleSheetStyle::drawControl setting transparent QStyleSheetStyle::drawControl calling base QFusionStyle::drawControl CE_MenuBarItem QStyleSheetStyle::drawControl CE_MenuBarItem "fusion" QStyleSheetStyle::drawControl setting transparent QStyleSheetStyle::drawControl calling base QFusionStyle::drawControl CE_MenuBarItem