XkbLatchModifiers - Latches and unlatches any of the eight real keyboard modifiers
Bool XkbLatchModifiers (Display *display, unsigned int device_spec, unsigned int affect, unsigned int values);
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
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
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.
|X Version 11||XkbLatchModifiers (3)||libX11 1.5.0|