Xcb.Connection.grab_button – xcb Reference Manual
grab_button
Description:
public
VoidCookie
grab_button
(
bool
owner_events,
Window
grab_window,
uint16
event_mask,
GrabMode
pointer_mode,
GrabMode
keyboard_mode,
Window
confine_to,
Cursor
cursor,
uint8
button,
uint16
modifiers)