1XkbLockModifiers(3)              XKB FUNCTIONS             XkbLockModifiers(3)
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NAME

6       XkbLockModifiers  -   Locks  and unlocks any of the eight real keyboard
7       modifiers
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SYNOPSIS

10       Bool XkbLockModifiers  (Display  *display,  unsigned  int  device_spec,
11              unsigned int affect, unsigned int values);
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ARGUMENTS

14       display
15              connection to the X server
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17       device_spec
18              device ID, or XkbUseCoreKbd
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20       affect mask of real modifiers whose lock state is to change
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22       values 1 => lock, 0 => unlock; only for modifiers selected by affect
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DESCRIPTION

25       XkbLockModifiers  sends  a request to the server to lock the real modi‐
26       fiers selected by both affect and values and to unlock the  real  modi‐
27       fiers  selected by affect, but not selected by values. XkbLockModifiers
28       does not wait for a reply from the  server.  It  returns  True  if  the
29       request was sent, and False otherwise.
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31       The  functions  in  this section that change the use of modifiers use a
32       mask in the parameter affect. It is a bitwise inclusive OR of the legal
33       modifier masks:
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36       Table 1 Real Modifier Masks
37       ────────────────────────────
38       Mask
39       ────────────────────────────
40       ShiftMask
41       LockMask
42       ControlMask
43       Mod1Mask
44       Mod2Mask
45       Mod3Mask
46       Mod4Mask
47       Mod5Mask
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RETURN VALUES

50       True           The  XkbLockModifiers function returns True if a request
51                      is sent  to  the  server  to  lock  the  real  modifiers
52                      selected  by  both  affect  and values and to unlock the
53                      real modifiers selected by affect, but not  selected  by
54                      values.
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56       False          The  XkbLockModifiers  function  returns  False  if  the
57                      request was not sent.
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61X Version 11                     libX11 1.3.4              XkbLockModifiers(3)