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XkbSetControls(3) XKB FUNCTIONS XkbSetControls(3) NAME XkbSetControls - Copies changes to the X server based on a modified ctrls structure in a local copy of the keyboard description SYNOPSIS Bool XkbSetControls (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 For each bit that is set in the which parameter, XkbSetControls sends the corresponding values from the xkb->ctrls field to the server. 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 the table (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 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, the server does not support a compatible version of Xkb, or the Xkb extension has not been properly initialized, XkbSet- Controls returns False. Otherwise, it sends the request to the X server and returns True. Note that changes to attributes of controls in the XkbControlsRec structure are apparent only when the associated control is enabled, al- though the corresponding values are still updated in the X server. For example, the repeat_delay and repeat_interval fields are ignored unless the RepeatKeys control is enabled (that is, the X server's equivalent of xkb->ctrls has XkbRepeatKeyMask set in enabled_ctrls). It is per- missible to modify the attributes of a control in one call to XkbSet- Controls and enable the control in a subsequent call. See XkbChangeEn- abledControls for more information on enabling and disabling controls. Note that the enabled_ctrls field is itself a control - the EnabledCon- trols control. As such, to set a specific configuration of enabled and disabled boolean controls, you must set enabled_ctrls to the appropri- ate bits to enable only the controls you want and disable all others, then specify the XkbControlsEnabledMask in a call to XkbSetControls. Because this is somewhat awkward if all you want to do is enable and disable controls, and not modify any of their attributes, a convenience function is also provided for this purpose, XkbChangeEnabledControls. RETURN VALUES True The XkbSetControls function returns True when it sends the request to the X server. False The XkbSetControls function returns False when xkb->ctrls is NULL, the server does not support a com- patible version of Xkb, or the Xkb extension has not been properly initialized. DIAGNOSTICS BadAlloc Unable to allocate storage 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 XkbChangeEnabledControls(3), XkbFreeControls(3) X Version 11 libX11 1.8.12 XkbSetControls(3)
NAME | SYNOPSIS | ARGUMENTS | DESCRIPTION | RETURN VALUES | DIAGNOSTICS | SEE ALSO
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