Ubuntu – How to avoid Compton drawing shadows on the Gnome-Do window

compositingcomptongnome-do

Compton can draw shadows under windows, which is nice, but unfortunately it draws shadows under the Gnome-Do window, which ends up like this:

Screenshot

Is it possible to keep that from happening?

Best Answer

Add it to shadow-exclude array:

# Shadow
...
shadow-exclude = [ "class_g = 'Do'" ];

/home/<user>/.config/compton.conf

Or specify it with compton launch command. Example:
```
compton -c --shadow-exclude 'class_g = "Do"'
```

Reference: man compton

Related Solutions

Ubuntu – Compton: Incorrect shadow display (favourite settings)

If you are talking about Privacy Badger shadow, then this problem could be solved by adding following line to your shadow-exclude list:

"class_g = 'Firefox' && argb"

It will remove shadow from such windows, but leave it on menu (if not disabled) and main window. Source is here & here. There're some explanation about the issue.

Ubuntu – How to completely disable shadows on xfce panel indicators and applications? (Xubuntu 16.04 and compton)

For default Xfce compositor

Go to Settings -> Windows Manager Tweaks. Choose the tab Compositor and uncheck the option Show shadow under regular windows.

For `compton` compositor

Add the following lines to wintypes setting in ~/.config/compton.conf

dropdown_menu = { shadow = false; };
popup_menu    = { shadow = false; };

Example:

wintypes:
{
    ## To disable shadows for menus
    # menu        = { shadow = false; };
    dropdown_menu = { shadow = false; };
    popup_menu    = { shadow = false; };
    # utility     = { shadow = false; };
};

Hope you success!

An example for compton.conf in git.archlinux.org