#ifndef lint
-static char *sccsid = "@(#)cmd5.c 3.4 83/09/01";
+static char *sccsid = "@(#)cmd5.c 3.5 83/09/14";
#endif
#include "defs.h"
register struct ww *w;
{
int col, row;
+ int mincol, minrow;
+ int maxcol, maxrow;
+ int curcol, currow;
struct ww *back = w->ww_back;
col = w->ww_w.l;
wwadd(boxwin, framewin->ww_back);
for (;;) {
wwbox(boxwin, row - 1, col - 1, w->ww_w.nr + 2, w->ww_w.nc + 2);
- wwsetcursor(row, col);
+ 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 (bpeekc() < 0)
bread();
wwunbox(boxwin);
- switch (getpos(&row, &col, 1, 0,
- wwnrow - w->ww_w.nr, wwncol - w->ww_w.nc)) {
+ switch (getpos(&row, &col, minrow, mincol, maxrow, maxcol)) {
case -1:
wwdelete(boxwin);
if (!terse)
(void) wwputs("\r\n", cmdwin);
wwcurtowin(cmdwin);
wwdelete(w);
- w->ww_w.t = row;
- w->ww_w.l = col;
- w->ww_w.b = row + w->ww_w.nr;
- w->ww_w.r = col + w->ww_w.nc;
+ 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 < a) {
+ *curx = x + n - 1;
+ *minx = 1 - n;
+ *maxx = a;
+ } else if (x == a) {
+ *curx = x;
+ *minx = 1 - n;
+ *maxx = b - n;
+ } else if (x < b - n) {
+ *curx = x;
+ *minx = a;
+ *maxx = b - n;
+ } else if (x == b - n) {
+ *curx = x;
+ *minx = a;
+ *maxx = b - 1;
+ } else {
+ *curx = x;
+ *minx = b - n;
+ *maxx = b - 1;
+ }
+}