gtk+3

Toolkit for creating graphical user interfaces with GTK

brewmacoslinux
Try with needOr install directly
Source

About

Toolkit for creating graphical user interfaces

Commands

gtk-query-immodules-3.0gtk-update-icon-cachegtk-encode-symbolic-svg

Examples

Query available input method modules for GTK3$ gtk-query-immodules-3.0
Update GTK icon cache for a theme directory$ gtk-update-icon-cache /usr/share/icons/hicolor
Encode symbolic SVG icons for GTK3 applications$ gtk-encode-symbolic-svg input.svg output.png