Is there a command to launch a window floating?

[mrwsl]

I have a statuscmd enabled bar and I want to show a rain radar gif centered and floating. Therefore I created a rule:

RULE(.title = "radar.gif - mpv", .isfloating = 1, .iscentered = 1)

The command launching mpv:

setsid -f "$TERMINAL" -e mpv -loop=inf "$radar"

The problem is that the window is called "mpv" for the first seconds. Is there a way to start a window centered and floating besides creating rules?

[bakkeby]

mpv is not particularly flexible when it comes to specifying the instance or class, but it does allow for the title to be set.

I would try with a rule like:

RULE(.class = "mpv", .title = "radar", .isfloating = 1, .iscentered = 1)

and a command like this:

setsid -f "$TERMINAL" -e mpv --title="radar" -loop=inf "$radar"

The title came through as "radar" when applyrules is called in my testing, so I think this should be fine.

[mrwsl]

Thanks, it's working!