draw the traversal highlight ring for a widget

## NAME

Tk_DrawFocusHighlight - draw the traversal highlight ring for a widget

## SYNOPSIS

#include <tk.h>

Tk_GetPixels(tkwin, gc, width, drawable)

## ARGUMENTS

`Tk_Window tkwin` (in)
  Window for which the highlight is being drawn. Used to retrieve the window's dimensions, among other things.
`GC gc` (in)
  Graphics context to use for drawing the highlight.
`int width` (in)
  Width of the highlight ring, in pixels.
`Drawable drawable` (in)
  Drawable in which to draw the highlight; usually an offscreen pixmap for double buffering.

## DESCRIPTION

Tk_DrawFocusHighlight is a utility procedure that draws the traversal highlight ring for a widget. It is typically invoked by widgets during redisplay.

## KEYWORDS

focus, traversal highlight