XkbLockModifiers - Locks and unlocks any of the eight real keyboard modifiers
SYNOPSIS
Bool XkbLockModifiers(Display *display,unsigned int device_spec,unsigned int affect,unsigned int values);
ARGUMENTS
display
connection to the X server
device_spec
device ID, or XkbUseCoreKbd
affect
mask of real modifiers whose lock state is to change
values
1 => lock, 0 => unlock; only for modifiers selected by affect
DESCRIPTION
XkbLockModifiers
sends a request to the server to lock the real modifiers
selected by both
affect
and
values
and to unlock the real modifiers selected by
affect,
but not selected by
values. XkbLockModifiers
does not wait for a reply from the server. It returns True if the request was
sent, and False otherwise.
The functions in this section that change the use of modifiers use a mask in the
parameter affect. It is a bitwise inclusive OR of the legal modifier masks:
Table 1 Real Modifier Masks
Mask
ShiftMask
LockMask
ControlMask
Mod1Mask
Mod2Mask
Mod3Mask
Mod4Mask
Mod5Mask
RETURN VALUES
True
The
XkbLockModifiers
function returns True if a request is sent to the server to lock the real
modifiers
selected by both
affect
and
values
and to unlock the real modifiers selected by
affect,
but not selected by
values.
False
The
XkbLockModifiers
function returns False if the request was not sent.