libgtk-3-0 from home:DrinkyBird:gtk3-classic project
选择您的操作系统
添加软件源并手动安装
对于 openSUSE Tumbleweed，请以根用户 root 运行下面命令：
zypper addrepo https://download.opensuse.org/repositories/home:DrinkyBird:gtk3-classic/openSUSE_Tumbleweed/home:DrinkyBird:gtk3-classic.repo zypper refresh zypper install libgtk-3-0