.\" $Xorg: XtSetKTr.man,v 1.3 2000/08/17 19:42:02 cpqbld Exp $
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.ds xW X Toolkit Athena Widgets \- C Language Interface
.ds xL Xlib \- C Language X Interface
.ds xC Inter-Client Communication Conventions Manual
.ds Rn 3
.ds Vn 2.2
.hw XtSet-Key-Translator XtTranslate-Keycode XtRegister-Case-Converter XtConvert-Case wid-get
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.TH XtSetKeyTranslator 3Xt __xorgversion__ "XT FUNCTIONS"
.SH NAME
XtSetKeyTranslator, XtTranslateKeycode, XtRegisterCaseConverter, XtConvertCase \- convert KeySym to KeyCodes
.SH SYNTAX
.HP
void XtSetKeyTranslator(Display *\fIdisplay\fP, XtKeyProc \fIproc\fP); 
.HP
void XtTranslateKeycode(Display *\fIdisplay\fP, KeyCode \fIkeycode\fP,
Modifiers \fImodifiers\fP, Modifiers *\fImodifiers_return\fP, KeySym
*\fIkeysym_return\fP); 
.HP
void XtRegisterCaseConverter(Display *\fIdisplay\fP, XtCaseProc \fIproc\fP,
KeySym \fIstart\fP, KeySym \fIstop\fP); 
.HP
void XtConvertCase(Display *\fIdisplay\fP, KeySym \fIkeysym\fP, KeySym
*\fIlower_return\fP, KeySym *\fIupper_return\fP); 
.SH ARGUMENTS
.ds Di
.IP \fIdisplay\fP 1i
Specifies the display\*(Di.
.IP \fIkeycode\fP 1i
Specifies the KeyCode to translate.
.IP \fIkeysym\fP 1i
Specifies the KeySym to convert.
.IP \fIkeysym_return\fP 1i
Returns the resulting KeySym.
.IP \fIlower_return\fP 1i
Returns the lowercase equivalent of the KeySym.
.IP \fIupper_return\fP 1i
Returns the uppercase equivalent of the KeySym.
.IP \fImodifiers\fP 1i
Specifies the modifiers to the KeyCode.
.IP \fImodifiers_return\fP 1i
Returns a mask that indicates the modifiers actually used 
to generate the KeySym.
.ds Pr \ to perform key translations or conversions
.IP \fIproc\fP 1i
Specifies the procedure that is\*(Pr.
.IP \fIstart\fP 1i
Specifies the first KeySym for which this converter is valid.
.IP \fIstop\fP 1i
Specifies the last KeySym for which this converter is valid.
.SH DESCRIPTION
The
.ZN XtSetKeyTranslator
function sets the specified procedure as the current key translator.
The default translator is 
.ZN XtTranslateKey ,
an
.ZN XtKeyProc
that uses Shift and Lock modifiers with the interpretations defined
by the core protocol.
It is provided so that new translators can call it to get default 
KeyCode-to-KeySym translations and so that the default translator 
can be reinstalled.
.LP
The
.ZN XtTranslateKeycode
function passes the specified arguments 
directly to the currently registered KeyCode to KeySym translator.
.LP
The
.ZN XtRegisterCaseConverter
registers the specified case converter.
The start and stop arguments provide the inclusive range of KeySyms 
for which this converter is to be called.
The new converter overrides any previous converters for KeySyms in that range.
No interface exists to remove converters; 
you need to register an identity converter.
When a new converter is registered,
the \*(xI  refreshes the keyboard state if necessary.
The default converter understands case conversion for all
KeySyms defined in the core protocol.
.LP
The
.ZN XtConvertCase
function calls the appropriate converter and returns the results.
A user-supplied
.ZN XtKeyProc 
may need to use this function.
.SH "SEE ALSO"
.br
\fI\*(xT\fP
.br
\fI\*(xL\fP