步骤:
.cpp
ui->tabWidget->setTabsClosable(true);
ui->tabWidget->tabBar()->setTabButton(0,QTabBar::RightSide,nullptr); //第一个tab取消关闭按钮
//tab的关闭按钮被点击的槽
void FrameMain::on_tabWidget_tabCloseRequested(int index)
{
ui->tabWidget->removeTab(index);
}
.css
QTabBar::tab{
color: white;
background: #5c8dff;
border: 1px solid #73b7ff;
min-width: 40ex;
min-height: 6ex;
}
QTabBar::tab:selected{
background: #505cff;
margin-top: 2ex;
}
QTabBar::close-button{
border-image: url(:/image/close.png);
}
QTabBar::close-button:hover{
background: red;
}
效果图: