QActionGroup *anActionGroup = new QActionGroup(yourParentWidget);
QAction* action1 = new QAction("Action 1", anActionGroup);
QAction* action2 = new QAction("Action 2", anActionGroup);
QAction* actionN = new QAction("Action N", anActionGroup);
action1->setCheckable(true);
action2->setCheckable(true);
actionN->setCheckable(true);
// Add these action to the tool bar
1 回答
创建一个
QActionGroup
并让它成为您操作的父级 . 这个QActionGroup
将保持其子女的状态 .