In most java-application with a GUI on Ubuntu in Russian layout is not working hotkeys, even the standard Ctrl + C and Ctrl + V. But a good man, named Michael Zheludkov wrote fix this bug, for which he had great thanks.
Installation
Clone repository in the folder ~ / fix /:


git clone https://github.com/zheludkovm/LinuxJavaFixes.git fix

Открываем конфиг приложения: or edit with GEDIT editor


nano /opt/PhpStorm/bin/phpstorm64.vmoptions

Add the following line to the fix:


-javaagent:/home/{user}/fix/build/LinuxJavaFixes-1.0.0-SNAPSHOT.jar

Replace {user} to your Ubuntu user Username