This simple tutorial shows how to install and use Kvantum theme engine to change themes for your Qt5 and Qt6 applications in Ubuntu 20.04 and Ubuntu 23.10. GNOME Desktop uses GTK toolkit for its applications and KDE/LxQt uses Qt toolkit ...

This simple tutorial shows how to make Qt-based applications automatically change their theme to be light or dark, according to system color style in Ubuntu 22.04. Ubuntu has global option to change system color scheme to light or dark since ...

Your apps do NOT have window border and shadow in Ubuntu 23.10? Here are the quick workarounds for the applications based on Qt UI toolkit. In Linux Desktop, applications are built with different UI toolkit. While, GNOME, Cinnamon, and XFCE ...