Bash script that forcibly shows or hides the virtual keyboard in KDE/KWin, useful for mobile devices. Works with Maliit.

toggle-kwin-virtual-keyboard.bash

#!/bin/bash

call_dbus() {
	dbus-send \
		--print-reply=literal \
		--session \
		--dest=org.kde.KWin \
		/VirtualKeyboard \
"$@"
}

active=$(call_dbus \
	org.freedesktop.DBus.Properties.Get \
	string:org.kde.kwin.VirtualKeyboard \
	string:active | awk '{ print $3 }' \
)

case "$active" in
	true)
		call_dbus \
			org.freedesktop.DBus.Properties.Set \
			string:org.kde.kwin.VirtualKeyboard \
			string:active \
			variant:boolean:false
	;;
	false)
		call_dbus \
			org.kde.kwin.VirtualDesktop.willShowOnActive
			boolean:true
			call_dbus \
			org.kde.kwin.VirtualKeyboard.forceActivate
	;;
	*) exit 1;;
esac