For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:bekun:devel/openSUSE_Tumbleweed/home:bekun:devel.repo
zypper refresh
zypper install libgtk-2_0-0
For openSUSE Factory ARM run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:bekun:devel/openSUSE_Factory_ARM/home:bekun:devel.repo
zypper refresh
zypper install libgtk-2_0-0
For openSUSE Factory run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:bekun:devel/openSUSE_Factory/home:bekun:devel.repo
zypper refresh
zypper install libgtk-2_0-0
For openSUSE 13.2 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:bekun:devel/openSUSE_13.2/home:bekun:devel.repo
zypper refresh
zypper install libgtk-2_0-0
For openSUSE 13.1 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:bekun:devel/openSUSE_13.1/home:bekun:devel.repo
zypper refresh
zypper install libgtk-2_0-0