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[MAN] XkbAddGeomOverlayKey

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Section: XKB FUNCTIONS (3)
Updated: libX11 1.6.4
Index Return to Main Contents


XkbAddGeomOverlayKey - Add a key to an existing overlay row  


XkbOverlayKeyPtr XkbAddGeomOverlayKey (XkbOverlayPtr overlay, XkbRowPtr row, char *under);


- overlay
overlay to be updated
- row
row in overlay to be updated
- under
primary name of the key to be considered


Xkb provides functions to add a single new element to the top-level keyboard geometry. In each case the num_ * fields of the corresponding structure is incremented by 1. These functions do not change sz_* unless there is no more room in the array. Some of these functions fill in the values of the element's structure from the arguments. For other functions, you must explicitly write code to fill the structure's elements.

The top-level geometry description includes a list of geometry properties. A geometry property associates an arbitrary string with an equally arbitrary name. Programs that display images of keyboards can use geometry properties as hints, but they are not interpreted by Xkb. No other geometry structures refer to geometry properties.

XkbAddGeomOverlayKey adds one key to the row in the overlay. If there is no key named under in the row of the underlying section, XkbAddGeomOverlayKey returns NULL.  


    typedef struct _XkbOverlayKey {
        XkbKeyNameRec           over;      /* name of this overlay key */
        XkbKeyNameRec           under;     /* name of the key under this overlay key */
    } XkbOverlayKeyRec,*XkbOverlayKeyPtr;




This document was created by man2html, using the manual pages.
Time: 04:45:39 GMT, September 16, 2022

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