-displaydisplay
This option specifies the server to use; see X(7).
-h, --help
This option displays a help message and exits.
-t, --toggle
This option forces a toggle of opacity. If the current opacity is not set to fully opaque
(opacity 1.0), it will be reset to fully opaque. If the window is already fully opaque, the
opacity will be set normally.
-c, --click
This option selects the target window by waiting for the user to click the mouse - the topmost
window under the mouse cursor when the mouse click occurs will be used as the target.
-p, --point
This option selects the window currently under the cursor to be the target.
-a, --actual
This option selects the window that currently has input focus to be the target.
-n, --namename
This option selects the target window by name, where name is matched as a regular expression,
unless --no-regex is also specified.
--no-regex
This option disables treating the name argument to --name as a regular expression.
-i, --id
This option selects the target window by window id.
--inc This option increases the window opacity by the given opacity argument.
--dec This option decreases the window opacity by the given opacity argument.
-m, --minopacity
This option sets the minimum possible opacity value. It defaults to 0 if this option is not
given.
-x, --maxopacity
This option sets the maximum possible opacity value. It defaults to 1 if this option is not
given.
-v, --verbose
This option prints some additional debug info as the program operates.
-V, --version
This option prints the program version number and exits.