Ubuntu Manpages

XkbLockGroup

Locks the keysym group

Bool XkbLockGroup (Display *display, unsigned int device_spec, unsigned int group);

connection to the X server
device ID, or XkbUseCoreKbd
index of the keysym group to lock

XkbLockGroup sends a request to the server to lock the specified group and does not wait for a reply. It returns True if the request was sent and False otherwise.

Reference the keysym group indices with these symbolic constants:

Table 1 Symbolic Group Names
Symbolic Name Value
XkbGroup1Index 0
XkbGroup2Index 1
XkbGroup3Index 2
XkbGroup4Index 3

The XkbLockGroup function returns True when a request was sent to the server to lock the specified group and does not wait for a reply.
The XkbLockGroup function returns False if the request was not sent.