Install geany-plugin-codenav by entering the following commands in the terminal:
sudo apt update sudo apt install geany-plugin-codenav
Description:
code navigation plugin for Geany
This plugin adds some facilities for navigating in code using Geany, making it possible to: * Switch between header and implementation * Go to a file by typing its name . Geany is a small and lightweight integrated development environment using the Gtk+ toolkit.
Homepage: http://plugins.geany.org
Version: 1.32+dfsg-3
Section: universe/devel