The application xsendkey can be found here: given a specific window, it will send it to the root window, which is handled by your window manager. You could also try to figure out the Window id first, using xprop or something related to it.
The application xsendkey can be found here: given a specific window, it will send it to the root window, which is handled by your window manager. You could also try to figure out the Window id first, using xprop or something related to it.