tk_getrelieffromobj(3)
NAME
Tk_GetReliefFromObj, Tk_GetRelief, Tk_NameOfRelief translate between strings and relief values
SYNOPSIS
#include <tk.h> int Tk_GetReliefFromObj(interp, objPtr, reliefPtr) int Tk_GetRelief(interp, name, reliefPtr) CONST char * Tk_NameOfRelief(relief)
ARGUMENTS
- Tcl_Interp *interp (in) Interpreter to use for
- error reporting.
- Tcl_Obj *objPtr (in/out)
- String value contains
name of relief (one of
flat, groove, raised, ridge, solid, or sunken); internal rep will be modified to
cache corresponding
relief value. - char *string (in)
- Same as objPtr except
description of relief
is passed as a string. - int *reliefPtr (out) Pointer to location in
- which to store relief
value corresponding to
objPtr or name. - CONST char *name Name of the relief.
- int relief (in) Relief value (one of
- TK_RELIEF_FLAT,
TK_RELIEF_RAISED,
TK_RELIEF_SUNKEN,
TK_RELIEF_GROOVE,
TK_RELIEF_SOLID, or
TK_RELIEF_RIDGE).
DESCRIPTION
Tk_GetReliefFromObj places in *reliefPtr the relief value
corresponding to the value of objPtr. This value will be
one of TK_RELIEF_FLAT, TK_RELIEF_RAISED, TK_RELIEF_SUNKEN,
TK_RELIEF_GROOVE, TK_RELIEF_SOLID, or TK_RELIEF_RIDGE.
Under normal circumstances the return value is TCL_OK and
interp is unused. If objPtr doesn't contain one of the
valid relief names or an abbreviation of one of them, then
TCL_ERROR is returned, *reliefPtr is unmodified, and an
error message is stored in interp's result if interp isn't
NULL. Tk_GetReliefFromObj caches information about the
return value in objPtr, which speeds up future calls to
Tk_GetReliefFromObj with the same objPtr.
Tk_GetRelief is identical to Tk_GetReliefFromObj except
that the description of the relief is specified with a
string instead of an object. This prevents Tk_GetRelief
from caching the return value, so Tk_GetRelief is less
efficient than Tk_GetReliefFromObj.
Tk_NameOfRelief is the logical inverse of Tk_GetRelief.
Given a relief value it returns the corresponding string
(flat, raised, sunken, groove, solid, or ridge). If
relief isn't a legal relief value, then ``unknown relief''
is returned.
KEYWORDS
- name, relief, string