NAME
XkbLatchModifiers - Latches and unlatches any of the eight real
keyboard modifiers
SYNOPSIS
Bool XkbLatchModifiers (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
XkbLatchModifiers sends a request to the server to latch the real
modifiers selected by both affect and values and to unlatch the real
modifiers selected by affect , but not selected by values.
XkbLatchModifiers 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 XkbLatchModifiers function returns True if a request
was sent to the server to latch the real modifiers
selected by both affect and values and to unlatch the
real modifiers selected by affect , but not selected by
values.
False The XkbLatchModifiers function returns False if the
request was not sent.