XkbLatchModifiers
Section: XKB FUNCTIONS (3)
Updated: libX11 1.3
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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.