Tk_InternAtom, Tk_GetAtomName - manage cache of X atoms
These procedures are similar to the Xlib procedures
XInternAtom and XGetAtomName. Tk_InternAtom
returns the atom identifier associated with string given by
name; the atom identifier is only valid for the display
associated with tkwin.
Tk_GetAtomName returns the string associated
with atom on tkwin's display. The string returned
by Tk_GetAtomName is in Tk's storage: the caller need
not free this space when finished with the string, and the caller
should not modify the contents of the returned string.
If there is no atom atom on tkwin's display,
then Tk_GetAtomName returns the string ``?bad atom?''.
- Tk_Window tkwin (in)
Token for window. Used to map atom or name relative to a particular display.
- char *name (in)
String name for which atom is desired.
- Atom atom (in)
Atom for which corresponding string name is desired.
the information returned by Tk_InternAtom and Tk_GetAtomName
so that future calls
for the same information can be serviced from the cache without
contacting the server. Thus Tk_InternAtom and Tk_GetAtomName
are generally much faster than their Xlib counterparts, and they
should be used in place of the Xlib procedures.
atom, cache, display
Copyright © 1990 The Regents of the University of California.
Copyright © 1994-1996 Sun Microsystems, Inc.
Copyright © 1995-1997 Roger E. Critchlow Jr.
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