LXQt Qt platform integration plugin
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README.md

lxqt-qtplugin

Overview

This repository is providing a library libqtlxqt to integrate Qt with LXQt.

With this plugin, all Qt-based programs can adopt settings of LXQt, such as the icon theme.

Installation

Compiling source code

Runtime dependencies are libdbusmenu-qt5 and liblxqt.
Additional build dependencies are CMake and qttools, 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.

Binary packages

Official binary packages are provided by all major Linux distributions like Arch Linux, Debian (as of Debian stretch only), Fedora and openSUSE. Just use your package manager to search for string lxqt-qtplugin.

Configuration, Usage

To use the plugin in Qt 5, we have to export environment variable QT_QPA_PLATFORMTHEME=lxqt. Then every Qt5 program 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. Then, Qt5 will print detailed information and error messages about all plugins in the console when running any Qt5 programs.