XkbLockModifiers - Online Linux Manual PageSection : 3
Updated : libX11 1.8.4
Source : X Version 11
Note : XKB FUNCTIONS

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NAMEXkbLockModifiers − Locks and unlocks any of the eight real keyboard modifiers

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SYNOPSISBool XkbLockModifiers ( Display *display , unsigned int device_spec , unsigned int affect , unsigned int values );

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ARGUMENTSdisplay  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

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DESCRIPTIONXkbLockModifiers sends a request to the server to lock the real modifiers selected by both affect and values and to unlock the real modifiers selected by affect, but not selected by values. XkbLockModifiers 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

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RETURN VALUESTrue  The XkbLockModifiers function returns True if a request is sent to the server to lock the real modifiers selected by both affect and values and to unlock the real modifiers selected by affect, but not selected by values. False  The XkbLockModifiers function returns False if the request was not sent. 0

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