120 lines
4.9 KiB
Groff
120 lines
4.9 KiB
Groff
.\" Copyright 1999 Oracle and/or its affiliates. All rights reserved.
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.\"
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.\" Permission is hereby granted, free of charge, to any person obtaining a
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.\" copy of this software and associated documentation files (the "Software"),
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.\" to deal in the Software without restriction, including without limitation
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.\" the rights to use, copy, modify, merge, publish, distribute, sublicense,
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.\" and/or sell copies of the Software, and to permit persons to whom the
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.\" Software is furnished to do so, subject to the following conditions:
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.\"
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.\" The above copyright notice and this permission notice (including the next
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.\" paragraph) shall be included in all copies or substantial portions of the
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.\" Software.
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.\"
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.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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.\" IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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.\" FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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.\" THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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.\" LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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.\" FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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.\" DEALINGS IN THE SOFTWARE.
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.\"
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.TH XkbAddGeomSection __libmansuffix__ __xorgversion__ "XKB FUNCTIONS"
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.SH NAME
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XkbAddGeomSection \- Add one section to an existing keyboard geometry
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.SH SYNOPSIS
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.HP
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.B XkbSectionPtr XkbAddGeomSection
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.BI "(\^XkbGeometryPtr " "geom" "\^,"
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.BI "Atom " "name" "\^,"
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.BI "int " "sz_rows" "\^,"
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.BI "int " "sz_doodads" "\^,"
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.BI "int " "sz_overlays" "\^);"
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.if n .ti +5n
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.if t .ti +.5i
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.SH ARGUMENTS
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.TP
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.I \- geom
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geometry to be updated
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.TP
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.I \- name
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name of the new section
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.TP
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.I \- sz_rows
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number of rows to reserve in the section
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.TP
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.I \- sz_doodads
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number of doodads to reserve in the section
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.TP
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.I \- sz_overlays
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number of overlays to reserve in the section
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.SH DESCRIPTION
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.LP
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Xkb provides functions to add a single new element to the top-level keyboard
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geometry. In each case the
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.I num_ *
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fields of the corresponding structure is incremented by 1. These functions do
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not change
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.I sz_*
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unless there is no more room in the array. Some of these functions fill in the
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values of the element's structure from the arguments. For other functions, you
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must explicitly write code to fill the structure's elements.
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The top-level geometry description includes a list of
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.I geometry properties.
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A geometry property associates an arbitrary string with an equally arbitrary
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name. Programs that display images of keyboards can use geometry properties as
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hints, but they are not interpreted by Xkb. No other geometry structures refer
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to geometry properties.
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A keyboard geometry contains an arbitrary number of sections.
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.I XkbAddGeomSection
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adds one section to an existing keyboard geometry
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.I geom.
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The new section contains space for the number of rows, doodads, and overlays
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specified by
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.I sz_rows, sz_doodads,
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and
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.I sz_overlays.
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The new section is allocated and zeroed and given the name specified by
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.I name.
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If a section with name
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.I name
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already exists in the geometry, a pointer to the existing section is returned.
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.I XkbAddGeomSection
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returns NULL if any of the parameters is empty or if it was not able to allocate
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space for the section. To allocate space for an arbitrary number of sections to
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a geometry, use
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.I XkbAllocGeomSections.
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.SH STRUCTURES
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.LP
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.nf
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typedef struct _XkbSection {
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Atom name; /\(** section name */
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unsigned char priority; /\(** drawing priority, 0=>highest, 255=>lowest */
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short top; /\(** top coordinate of section origin */
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short left; /\(** left coordinate of row origin */
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unsigned short width; /\(** section width, in mm/10 */
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unsigned short height; /\(** section height, in mm/10 */
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short angle; /\(** angle of section rotation, counterclockwise */
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unsigned short num_rows; /\(** number of rows in the rows array */
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unsigned short num_doodads; /\(** number of doodads in the doodads array */
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unsigned short num_overlays; /\(** number of overlays in the overlays array */
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unsigned short sz_rows; /\(** size of the rows array */
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unsigned short sz_doodads; /\(** size of the doodads array */
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unsigned short sz_overlays; /\(** size of the overlays array */
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XkbRowPtr rows; /\(** section rows array */
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XkbDoodadPtr doodads; /\(** section doodads array */
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XkbBoundsRec bounds; /\(** bounding box for the section, before rotation*/
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XkbOverlayPtr overlays; /\(** section overlays array */
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} XkbSectionRec, *XkbSectionPtr;
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.fi
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.I top
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and
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.I left
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are the origin of the section, relative to the origin of the keyboard, in mm/10. angle is in 1/10 degrees.
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.SH "SEE ALSO"
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.BR XkbAllocGeomSections (__libmansuffix__)
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