Override feh's default mouse button mapping. If you want to disable an action, set its value to null. If you want to bind multiple buttons to an action, set its value to a list. See https://man.finalrewind.org/1/feh/#x425554544f4e53 for default bindings and available commands.

Declarations
Type
attribute set of (null or string or signed integer or list of (string or signed integer))
Default
{ }
Example
{
  prev_img = [
    3
    "C-3"
  ];
  zoom_in = 4;
  zoom_out = "C-4";
}