XkbLatchModifiers (3) - Linux Manuals
XkbLatchModifiers: Latches and unlatches any of the eight real keyboard
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.