XtSetKeyTranslator
Section: XT FUNCTIONS (3)
Updated: libXt 1.2.0
Page Index
NAME
XtSetKeyTranslator, XtTranslateKeycode, XtRegisterCaseConverter, XtConvertCase - convert KeySym to KeyCodes
SYNTAX
#include <
X11/Intrinsic.h>
-
- void XtSetKeyTranslator(Display *display, XtKeyProc proc);
-
- void XtTranslateKeycode(Display *display, KeyCode keycode,
Modifiers modifiers, Modifiers *modifiers_return, KeySym
*keysym_return);
-
- void XtRegisterCaseConverter(Display *display, XtCaseProc proc,
KeySym start, KeySym stop);
-
- void XtConvertCase(Display *display, KeySym keysym, KeySym
*lower_return, KeySym *upper_return);
ARGUMENTS
- display
-
Specifies the display.
- keycode
-
Specifies the KeyCode to translate.
- keysym
-
Specifies the KeySym to convert.
- keysym_return
-
Returns the resulting KeySym.
- lower_return
-
Returns the lowercase equivalent of the KeySym.
- upper_return
-
Returns the uppercase equivalent of the KeySym.
- modifiers
-
Specifies the modifiers to the KeyCode.
- modifiers_return
-
Returns a mask that indicates the modifiers actually used
to generate the KeySym.
- proc
-
Specifies the procedure that is to perform key translations or conversions.
- start
-
Specifies the first KeySym for which this converter is valid.
- stop
-
Specifies the last KeySym for which this converter is valid.
DESCRIPTION
The
XtSetKeyTranslator
function sets the specified procedure as the current key translator.
The default translator is
XtTranslateKey,
an
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.
The
XtTranslateKeycode
function passes the specified arguments
directly to the currently registered KeyCode to KeySym translator.
The
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 Intrinsics refreshes the keyboard state if necessary.
The default converter understands case conversion for all
KeySyms defined in the core protocol.
The
XtConvertCase
function calls the appropriate converter and returns the results.
A user-supplied
XtKeyProc
may need to use this function.
SEE ALSO
X Toolkit Intrinsics - C Language Interface
Xlib - C Language X Interface