sync code with last improvements from OpenBSD

lib/libX11/man/xkb/XkbGetDeviceButtonActions.man

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+'\" t
+.\" Copyright 1999 Oracle and/or its affiliates. All rights reserved.
+.\"
+.\" Permission is hereby granted, free of charge, to any person obtaining a
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+.\"
+.\" The above copyright notice and this permission notice (including the next
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+.\"
+.TH XkbGetDeviceButtonActions __libmansuffix__ __xorgversion__ "XKB FUNCTIONS"
+.SH NAME
+XkbGetDeviceButtonActions \- Query the button actions associated with an X Input 
+Extension device
+.SH SYNOPSIS
+.HP
+.B Status XkbGetDeviceButtonActions
+.BI "(\^Display *" "dpy" "\^,"
+.BI "XkbDeviceInfoPtr " "device_info" "\^,"
+.BI "Bool " "all_buttons" "\^,"
+.BI "unsigned int " "first_button" "\^,"
+.BI "unsigned int " "num_buttons" "\^);"
+.if n .ti +5n
+.if t .ti +.5i
+.SH ARGUMENTS
+.TP
+.I \- dpy
+connection to X server
+.TP
+.I \- device_info
+structure to update with results
+.TP
+.I \- all_buttons
+True => get information for all buttons
+.TP
+.I \- first_button
+number of first button for which info is desired
+.TP
+.I \- num_buttons
+number of buttons for which info is desired
+.SH DESCRIPTION
+.LP
+.I XkbGetDeviceButtonActions 
+queries the server for the desired button information for the device indicated 
+by the 
+.I device_spec 
+field of 
+.I device_info 
+and waits for a reply. If successful, 
+.I XkbGetDeviceButtonActions 
+backfills the button actions 
+.I (btn_acts 
+field of 
+.I device_info) 
+for only the requested buttons, updates the 
+.I name, type, supported, 
+and 
+.I unsupported 
+fields, and returns Success.
+
+.I all_buttons, first_button 
+and 
+.I num_buttons 
+specify the device buttons for which actions should be returned. Setting
+.I all_buttons 
+to True requests actions for all device buttons; if 
+.I all_buttons 
+is False, 
+.I first_button 
+and 
+.I num_buttons 
+specify a range of buttons for which actions are requested.
+
+If a compatible version of Xkb is not available in the server or the Xkb 
+extension has not been properly initialized, 
+.I XkbGetDeviceButtonActions 
+returns BadAccess. If allocation errors occur, a BadAlloc status is returned. If 
+the specified device 
+.I (device_info->device_spec) 
+is invalid, a BadKeyboard status is returned. If the device has no buttons, a 
+BadMatch status is returned. If 
+.I first_button 
+and 
+.I num_buttons 
+specify illegal buttons, a BadValue status is returned. 
+.SH DIAGNOSTICS
+.TP 15
+.B BadAccess
+The Xkb extension has not been properly initialized
+.TP 15
+.B BadAlloc
+Unable to allocate storage
+.TP 15
+.B BadKeyboard
+The device specified was not a valid core or input extension device
+.TP 15
+.B BadMatch
+A compatible version of Xkb was not available in the server or an argument has 
+correct type and range, but is otherwise invalid
+.TP 15
+.B BadValue
+An argument is out of range