BSD 4_4_Lite1 release

[unix-history] / usr / src / lib / libcurses / mvwin.c

diff --git a/usr/src/lib/libcurses/mvwin.c b/usr/src/lib/libcurses/mvwin.c
index 6fd6563..5699295 100644 (file)
--- a/usr/src/lib/libcurses/mvwin.c
+++ b/usr/src/lib/libcurses/mvwin.c
@@ -1,17 +1,77 @@
-# include      "curses.ext"
-

 /*
 /*

- * relocate the starting position of a window
+ * Copyright (c) 1981, 1993
+ *     The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *     This product includes software developed by the University of
+ *     California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.

  */
 
  */
 

+#ifndef lint
+static char sccsid[] = "@(#)mvwin.c    8.1 (Berkeley) 6/4/93";
+#endif /* not lint */
+
+#include <curses.h>
+
+/*
+ * mvwin --
+ *     Relocate the starting position of a window.
+ */
+int

 mvwin(win, by, bx)
 mvwin(win, by, bx)

-reg WINDOW     *win;
-reg int                by, bx; {
+       register WINDOW *win;
+       register int by, bx;
+{
+       register WINDOW *orig;
+       register int dy, dx;

 
 

-       if (by + win->_maxy > LINES || bx + win->_maxx > COLS)
-               return ERR;
-       win->_begy = by;
-       win->_begx = bx;
-       touchwin(win);
-       return OK;
+       if (by + win->maxy > LINES || bx + win->maxx > COLS)
+               return (ERR);
+       dy = by - win->begy;
+       dx = bx - win->begx;
+       orig = win->orig;
+       if (orig == NULL) {
+               orig = win;
+               do {
+                       win->begy += dy;
+                       win->begx += dx;
+                       __swflags(win);
+                       win = win->nextp;
+               } while (win != orig);
+       } else {
+               if (by < orig->begy || win->maxy + dy > orig->maxy)
+                       return (ERR);
+               if (bx < orig->begx || win->maxx + dx > orig->maxx)
+                       return (ERR);
+               win->begy = by;
+               win->begx = bx;
+               __swflags(win);
+               __set_subwin(orig, win);
+       }
+       __touchwin(win);
+       return (OK);

 }
 }