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http://www.jwz.org/xscreensaver/xscreensaver-5.12.tar.gz
[xscreensaver]
/
hacks
/
xjack.c
diff --git
a/hacks/xjack.c
b/hacks/xjack.c
index b101f8573a45e47a827fd808cff09e106736b968..55134d915629e269801bd6379fc3c5ae74c77315 100644
(file)
--- a/
hacks/xjack.c
+++ b/
hacks/xjack.c
@@
-62,6
+62,10
@@
xjack_reshape (Display *dpy, Window window, void *closure,
st->rows--;
st->columns--;
st->rows--;
st->columns--;
+ /* If the window is stupidly small, just truncate. */
+ if (st->rows < 4) st->rows = 4;
+ if (st->columns < 12) st->columns = 12;
+
if (st->y > st->rows) st->y = st->rows-1;
if (st->x > st->columns) st->x = st->columns-2;
if (st->y > st->rows) st->y = st->rows-1;
if (st->x > st->columns) st->x = st->columns-2;
@@
-116,9
+120,12
@@
xjack_init (Display *dpy, Window window)
xjack_reshape (dpy, window, st, st->xgwa.width, st->xgwa.height);
xjack_reshape (dpy, window, st, st->xgwa.width, st->xgwa.height);
- st->left = 0xFF & (random() % ((st->columns / 2)+1));
- st->right = st->left + (0xFF & (random() % (st->columns - st->left - 10)
- + 10));
+ if (st->columns >= 21)
+ {
+ st->left = 0xFF & (random() % ((st->columns / 2)+1));
+ st->right = st->left + (0xFF & (random() % (st->columns - st->left - 10)
+ + 10));
+ }
st->x = 0;
st->y = 0;
st->x = 0;
st->y = 0;