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CentOS 7.0 - man page for xkbgetcontrols (centos section 3)

XkbGetControls(3)				    XKB FUNCTIONS				    XkbGetControls(3)

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 con- trols that are not boolean controls and therefore cannot be enabled or disabled. Table 1 Controls Mask Bits --------------------------------------------------------------------------- Mask Bit which or enabled Value changed_ctrls _ctrls --------------------------------------------------------------------------- XkbRepeatKeysMask ok ok (1L<<0) XkbSlowKeysMask ok ok (1L<<1) XkbBounceKeysMask ok ok (1L<<2) XkbStickyKeysMask ok ok (1L<<3) XkbMouseKeysMask ok ok (1L<<4) XkbMouseKeysAccelMask ok ok (1L<<5) XkbAccessXKeysMask ok ok (1L<<6) XkbAccessXTimeoutMask ok ok (1L<<7) XkbAccessXFeedbackMask ok ok (1L<<8) XkbAudibleBellMask ok (1L<<9) XkbOverlay1Mask ok (1L<<10) XkbOverlay2Mask ok (1L<<11) XkbIgnoreGroupLockMask ok (1L<<12) XkbGroupsWrapMask ok (1L<<27) XkbInternalModsMask ok (1L<<28) XkbIgnoreLockModsMask ok (1L<<29) XkbPerKeyRepeatMask ok (1L<<30) XkbControlsEnabledMask ok (1L<<31) XkbAccessXOptionsMask ok ok (XkbStickyKeysMask | XkbAccessXFeedbackMask) XkbAllBooleanCtrlsMask ok (0x00001FFF) XkbAllControlsMask ok (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) X Version 11 libX11 1.6.0 XkbGetControls(3)


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