[MAN] XkbAddGeomRow

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XkbAddGeomRow

Section: XKB FUNCTIONS (3)
Updated: libX11 1.6.4
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NAME

XkbAddGeomRow - Add a row to a section  

SYNOPSIS

XkbRowPtr XkbAddGeomRow (XkbSectionPtr section, int sz_keys);
     

 

ARGUMENTS

- section

section to be updated

- sz_keys

number of keys to be reserved

 

DESCRIPTION

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.

One of the components of a keyboard geometry section is one or more rows of keys. XkbAddGeomRow adds one row to the specified section. The newly created row contains space for the number of keys specified in sz_keys. They are allocated and zeroed, but otherwise uninitialized. XkbAddGeomRow returns NULL if any of the parameters is empty or if it was not able to allocate space for the row. To allocate space for an arbitrary number of rows to a section, use the XkbAllocGeomRows function.  

STRUCTURES

typedef struct _XkbRow {
        short           top;
        short           left;
        unsigned short  num_keys;
        unsigned short  sz_keys;
        int             vertical;
        XkbKeyPtr       keys;
        XkbBoundsRec    bounds;
} XkbRowRec, *XkbRowPtr;         

 

SEE ALSO

XkbAllocGeomRows(3)

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Index

NAME

SYNOPSIS

ARGUMENTS

DESCRIPTION

STRUCTURES

SEE ALSO

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Time: 04:45:45 GMT, September 16, 2022