X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Fbase%2Flib_chgat.c;h=89eefa7e82feb24e643b6320d2cfd5d0abae4d01;hp=7690ae4a2af3b685c488c15b526bb60bc147edcc;hb=3853a8e97d7efa8cb6a3c93c696d2c52895d6a70;hpb=0eb88fc5281804773e2a0c7a488a4452463535ce

diff --git a/ncurses/base/lib_chgat.c b/ncurses/base/lib_chgat.c
index 7690ae4a..89eefa7e 100644
--- a/ncurses/base/lib_chgat.c
+++ b/ncurses/base/lib_chgat.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998 Free Software Foundation, Inc.                        *
+ * Copyright (c) 1998-2005,2006 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -29,6 +29,8 @@
 /****************************************************************************
  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
+ *     and: Sven Verdoolaege                        2001                    *
+ *     and: Thomas E. Dickey                        2005                    *
  ****************************************************************************/
 
 /*
@@ -40,23 +42,27 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_chgat.c,v 1.2 1998/02/11 12:14:00 tom Exp $")
+MODULE_ID("$Id: lib_chgat.c,v 1.7 2006/07/15 22:07:11 tom Exp $")
 
-int wchgat(WINDOW *win, int n, attr_t attr, short color, const void *opts GCC_UNUSED)
+NCURSES_EXPORT(int)
+wchgat(WINDOW *win, int n, attr_t attr, short color, const void *opts GCC_UNUSED)
 {
-    int	i;
+    int i;
 
     T((T_CALLED("wchgat(%p,%d,%s,%d)"), win, n, _traceattr(attr), color));
 
     if (win) {
-      toggle_attr_on(attr,COLOR_PAIR(color));
+	struct ldat *line = &(win->_line[win->_cury]);
 
-      for (i = win->_curx; i <= win->_maxx && (n == -1 || (n-- > 0)); i++)
-	win->_line[win->_cury].text[i]
-	  = TextOf(win->_line[win->_cury].text[i]) | attr;
+	toggle_attr_on(attr, COLOR_PAIR(color));
 
-      returnCode(OK);
-    }
-    else
-      returnCode(ERR);
+	for (i = win->_curx; i <= win->_maxx && (n == -1 || (n-- > 0)); i++) {
+	    SetAttr(line->text[i], attr);
+	    SetPair(line->text[i], color);
+	    CHANGED_CELL(line, i);
+	}
+
+	returnCode(OK);
+    } else
+	returnCode(ERR);
 }