BSD 4.4 Lite Usr.bin Sources

1 files changed, 129 insertions, 0 deletions

diff --git a/usr.bin/window/cmd5.c b/usr.bin/window/cmd5.c
new file mode 100644
index 0000000..456fdb9
--- /dev/null
+++ b/usr.bin/window/cmd5.c
@@ -0,0 +1,129 @@
+/*
+ * 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
+static char sccsid[] = "@(#)cmd5.c	8.1 (Berkeley) 6/6/93";
+#endif /* not lint */
+
+#include "defs.h"
+
+/*
+ * Window movement.
+ */
+
+c_move(w)
+register struct ww *w;
+{
+	int col, row;
+	int mincol, minrow;
+	int maxcol, maxrow;
+	int curcol, currow;
+
+	if (!terse)
+		wwputs("New window position: ", cmdwin);
+	col = w->ww_w.l;
+	row = w->ww_w.t;
+	wwadd(boxwin, framewin->ww_back);
+	for (;;) {
+		wwbox(boxwin, row - 1, col - 1, w->ww_w.nr + 2, w->ww_w.nc + 2);
+		getminmax(row, w->ww_w.nr, 1, wwnrow,
+			&currow, &minrow, &maxrow);
+		getminmax(col, w->ww_w.nc, 0, wwncol,
+			&curcol, &mincol, &maxcol);
+		wwsetcursor(currow, curcol);
+		while (wwpeekc() < 0)
+			wwiomux();
+		switch (getpos(&row, &col, minrow, mincol, maxrow, maxcol)) {
+		case 3:
+			wwunbox(boxwin);
+			wwdelete(boxwin);
+			return;
+		case 2:
+			wwunbox(boxwin);
+			break;
+		case 1:
+			wwunbox(boxwin);
+		case 0:
+			continue;
+		}
+		break;
+	}
+	wwdelete(boxwin);
+	if (!terse)
+		wwputc('\n', cmdwin);
+	wwcurtowin(cmdwin);
+	movewin(w, row, col);
+}
+
+movewin(w, row, col)
+register struct ww *w;
+{
+	struct ww *back = w->ww_back;
+
+	w->ww_alt.t = w->ww_w.t;
+	w->ww_alt.l = w->ww_w.l;
+	wwdelete(w);
+	wwmove(w, row, col);
+	wwadd(w, back);
+	reframe();
+}
+
+/*
+ * Weird stufff, don't ask.
+ */
+getminmax(x, n, a, b, curx, minx, maxx)
+register x, n, a, b;
+int *curx, *minx, *maxx;
+{
+	if (x < 0)
+		*curx = x + n - 1;
+	else
+		*curx = x;
+
+	if (x <= a)
+		*minx = 1 - n;
+	else if (x <= b - n)
+		*minx = a;
+	else
+		*minx = b - n;
+
+	if (x >= b - n)
+		*maxx = b - 1;
+	else if (x >= a)
+		*maxx = b - n;
+	else
+		*maxx = a;
+}