X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Fbase%2Flib_slkclear.c;h=10531e4df8a680ef062fb8c3290648f69563d8ce;hp=03e6721cbb29c9ee6092edbd3ec334bdf1fcf657;hb=1f7a36fe16b11bb4aab51be89bbc1b0f75936b78;hpb=46722468f47c2b77b3987729b4bcf2321cccfd01

diff --git a/ncurses/base/lib_slkclear.c b/ncurses/base/lib_slkclear.c
index 03e6721c..10531e4d 100644
--- a/ncurses/base/lib_slkclear.c
+++ b/ncurses/base/lib_slkclear.c
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 1998,2000,2001 Free Software Foundation, Inc.              *
+ * Copyright 2020 Thomas E. Dickey                                          *
+ * Copyright 1998-2007,2009 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 +30,8 @@
 /****************************************************************************
  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
+ *     and: Juergen Pfeifer                         1996-1999               *
+ *     and: Thomas E. Dickey                        1996-on                 *
  ****************************************************************************/
 
 /*
@@ -38,24 +41,35 @@
  */
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_slkclear.c,v 1.8 2001/12/19 01:07:01 tom Exp $")
+MODULE_ID("$Id: lib_slkclear.c,v 1.15 2020/02/02 23:34:34 tom Exp $")
 
 NCURSES_EXPORT(int)
-slk_clear(void)
+NCURSES_SP_NAME(slk_clear) (NCURSES_SP_DCL0)
 {
-    T((T_CALLED("slk_clear()")));
+    int rc = ERR;
+
+    T((T_CALLED("slk_clear(%p)"), (void *) SP_PARM));
 
-    if (SP == NULL || SP->_slk == NULL)
-	returnCode(ERR);
-    SP->_slk->hidden = TRUE;
-    /* For simulated SLK's it's looks much more natural to
-       inherit those attributes from the standard screen */
-    SP->_slk->win->_nc_bkgd = stdscr->_nc_bkgd;
-    SP->_slk->win->_attrs = stdscr->_attrs;
-    if (SP->_slk->win == stdscr) {
-	returnCode(OK);
-    } else {
-	werase(SP->_slk->win);
-	returnCode(wrefresh(SP->_slk->win));
+    if (SP_PARM != 0 && SP_PARM->_slk != 0) {
+	SP_PARM->_slk->hidden = TRUE;
+	/* For simulated SLK's it looks much more natural to
+	   inherit those attributes from the standard screen */
+	SP_PARM->_slk->win->_nc_bkgd = StdScreen(SP_PARM)->_nc_bkgd;
+	WINDOW_ATTRS(SP_PARM->_slk->win) = WINDOW_ATTRS(StdScreen(SP_PARM));
+	if (SP_PARM->_slk->win == StdScreen(SP_PARM)) {
+	    rc = OK;
+	} else {
+	    werase(SP_PARM->_slk->win);
+	    rc = wrefresh(SP_PARM->_slk->win);
+	}
     }
+    returnCode(rc);
+}
+
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(int)
+slk_clear(void)
+{
+    return NCURSES_SP_NAME(slk_clear) (CURRENT_SCREEN);
 }
+#endif