applet-window-buttons from KDE:Extra project
选择您的操作系统
添加软件源并手动安装
对于 openSUSE Leap 15.6，请以根用户 root 运行下面命令：
zypper addrepo https://download.opensuse.org/repositories/KDE:Extra/openSUSE_Leap_15.6/KDE:Extra.repo zypper refresh zypper install applet-window-buttons