BSD 4_4 release

[unix-history] / usr / src / usr.bin / window / wwcursor.c

diff --git a/usr/src/usr.bin/window/wwcursor.c b/usr/src/usr.bin/window/wwcursor.c
index fdb331d..cd9cdba 100644 (file)
--- a/usr/src/usr.bin/window/wwcursor.c
+++ b/usr/src/usr.bin/window/wwcursor.c
@@ -1,6 +1,42 @@
+/*
+ * Copyright (c) 1983, 1993
+ *     The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Edward Wang at The University of California, Berkeley.
+ *
+ * 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
 #ifndef lint

-static char *sccsid = "@(#)wwcursor.c  3.1 83/08/19";
-#endif
+static char sccsid[] = "@(#)wwcursor.c 8.1 (Berkeley) 6/6/93";
+#endif /* not lint */

 
 #include "ww.h"
 
 
 #include "ww.h"
 


@@ -8,7 +44,6 @@ wwcursor(w, on)
 register struct ww *w;
 {
        register char *win;
 register struct ww *w;
 {
        register char *win;

-       register r, c;

 
        if (on) {
                if (w->ww_hascursor)
 
        if (on) {
                if (w->ww_hascursor)


@@ -21,16 +56,37 @@ register struct ww *w;
        }
        if (wwcursormodes != 0) {
                win = &w->ww_win[w->ww_cur.r][w->ww_cur.c];
        }
        if (wwcursormodes != 0) {
                win = &w->ww_win[w->ww_cur.r][w->ww_cur.c];

-               if (*win == 0)
-                       w->ww_nvis[w->ww_cur.r]--;
-               else if (*win == wwcursormodes)
-                       w->ww_nvis[w->ww_cur.r]++;

                *win ^= wwcursormodes;
                *win ^= wwcursormodes;

+               if (w->ww_cur.r < w->ww_i.t || w->ww_cur.r >= w->ww_i.b
+                   || w->ww_cur.c < w->ww_i.l || w->ww_cur.c >= w->ww_i.r)
+                       return;
+               if (wwsmap[w->ww_cur.r][w->ww_cur.c] == w->ww_index) {
+                       if (*win == 0)
+                               w->ww_nvis[w->ww_cur.r]++;
+                       else if (*win == wwcursormodes)
+                               w->ww_nvis[w->ww_cur.r]--;
+                       wwns[w->ww_cur.r][w->ww_cur.c].c_m ^= wwcursormodes;
+                       wwtouched[w->ww_cur.r] |= WWU_TOUCHED;
+               }

        }
        }

-       r = wwcurrow(w);
-       c = wwcurcol(w);
-       if (wwsmap[r][c] == w->ww_index) {
-               wwns[r][c].c_m ^= wwcursormodes;
-               wwtouched[r] = 1;
-       }
+}
+
+wwsetcursormodes(new)
+register new;
+{
+       register i;
+       register struct ww *w;
+       register old = wwcursormodes;
+
+       new &= wwavailmodes;
+       if (new == wwcursormodes)
+               return;
+       for (i = 0; i < NWW; i++)
+               if (wwindex[i] != 0 && (w = wwindex[i])->ww_hascursor) {
+                       wwcursor(w, 0);
+                       wwcursormodes = new;
+                       wwcursor(w, 1);
+                       wwcursormodes = old;
+               }
+       wwcursormodes = new;

 }
 }