Most window managers that implement focus-on-click will take a button grab on the window, focus the window, and replay the event to the client. Sending _NET_ACTIVE_WINDOW is superfluous for WMs that focus on click and defeats intentional focus management policies for WMs that do not use focus on click.
Most window managers that implement focus-on-click will take a button grab on the window, focus the window, and replay the event to the client. Sending _NET_ACTIVE_WINDOW is superfluous for WMs that focus on click and defeats intentional focus management policies for WMs that do not use focus on click.