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XkbGetControls

Section: XKB FUNCTIONS (3)
Updated: libX11 1.6.3
Index Return to Main Contents
 

NAME

XkbGetControls - Finds the current state of Xkb server controls  

SYNOPSIS

Status XkbGetControls (Display *display, unsigned long which, XkbDescPtr xkb);
     
 

ARGUMENTS

- display
connection to X server
- which
mask of controls requested
- xkb
keyboard description for controls information
 

DESCRIPTION

XkbGetControls queries the server for the requested control information, waits for a reply, and then copies the server's values for the requested information into the ctrls structure of the xkb argument. Only those components specified by the which parameter are copied. Valid values for which are any combination of the masks listed in Table 1 that have "ok" in the which column.

Table 1 shows the actual values for the individual mask bits used to select controls for modification and to enable and disable the control. Note that the same mask bit is used to specify general modifications to the parameters used to configure the control (which), and to enable and disable the control (enabled_ctrls). The anomalies in Table 1 (no "ok" in column) are for controls that have no configurable attributes; and for controls that are not boolean controls and therefore cannot be enabled or disabled.

Table 1 Controls Mask Bits

Mask Bitwhich orenabledValue
changed_ctrls_ctrls

XkbRepeatKeysMaskokok(1L<<0)
XkbSlowKeysMaskokok(1L<<1)
XkbBounceKeysMaskokok(1L<<2)
XkbStickyKeysMaskokok(1L<<3)
XkbMouseKeysMaskokok(1L<<4)
XkbMouseKeysAccelMaskokok(1L<<5)
XkbAccessXKeysMaskokok(1L<<6)
XkbAccessXTimeoutMaskokok(1L<<7)
XkbAccessXFeedbackMaskokok(1L<<8)
XkbAudibleBellMaskok(1L<<9)
XkbOverlay1Maskok(1L<<10)
XkbOverlay2Maskok(1L<<11)
XkbIgnoreGroupLockMaskok(1L<<12)
XkbGroupsWrapMaskok(1L<<27)
XkbInternalModsMaskok(1L<<28)
XkbIgnoreLockModsMaskok(1L<<29)
XkbPerKeyRepeatMaskok(1L<<30)
XkbControlsEnabledMaskok(1L<<31)
XkbAccessXOptionsMaskokok(XkbStickyKeysMask |
XkbAccessXFeedbackMask)
XkbAllBooleanCtrlsMaskok(0x00001FFF)
XkbAllControlsMaskok(0xF8001FFF)

If xkb->ctrls is NULL, XkbGetControls allocates and initializes it before obtaining the values specified by which. If xkb->ctrls is not NULL, XkbGetControls modifies only those portions of xkb->ctrls corresponding to the values specified by which.

XkbGetControls returns Success if successful; otherwise, it returns BadAlloc if it cannot obtain sufficient storage, BadMatch if xkb is NULL or which is empty, or BadImplementation.

To free the ctrls member of a keyboard description, use XkbFreeControls.

The num_groups field in the ctrls structure is always filled in by XkbGetControls, regardless of which bits are selected by which.  

RETURN VALUES

Success
The XkbGetControls function returns Success if successful.
 

DIAGNOSTICS

BadAlloc
Unable to allocate storage
BadImplementation
Invalid reply from server
BadMatch
A compatible version of Xkb was not available in the server or an argument has correct type and range, but is otherwise invalid

 

SEE ALSO

XkbFreeControls(3)


 

Index

NAME
SYNOPSIS
ARGUMENTS
DESCRIPTION
RETURN VALUES
DIAGNOSTICS
SEE ALSO


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