This repository provides the library libqtlxqt to integrate Qt with LXQt.
With this plugin, all Qt-based programs can adopt settings of LXQt, such as the icon theme and Qt style.
Runtime dependencies are libdbusmenu-lxqt, libfm-qt and libqtxdg. Additional build dependencies are CMake, lxqt-build-tools, qt6-tools and optionally Git to pull latest VCS checkouts.
Code configuration is handled by CMake. CMake variable CMAKE_INSTALL_PREFIX has to be set to /usr on most operating systems.
To build run make, to install make install which accepts variable DESTDIR as usual.
Official binary packages are provided by all major Linux distributions like Arch Linux, Debian, Fedora and openSUSE. Just use your package manager to search for string lxqt-qtplugin.
To use the plugin in Qt, the environment variable QT_QPA_PLATFORMTHEME=lxqt has to be exported, such that every Qt application can load the theme plugin.
If, for some unknown reasons, the plugin is not loaded, we can debug the plugin by exporting QT_DEBUG_PLUGINS=1. Qt will print detailed information and error messages about all plugins in the console when running any Qt program.
For Qt5 support please see the wiki.