Do not allow "-n -i".

1 files changed, 4 insertions, 1 deletions

diff --git a/xdeadzone.c b/xdeadzone.c
index e3446f9..2e43dc3 100644
--- a/xdeadzone.c
+++ b/xdeadzone.c
@@ -154,6 +154,9 @@ int main(int argc, char **argv) {
 	if(width == 0 || height == 0)
 		errmsg("bad geometry: width and height must be non-zero");
 
+	if(normal_window && !visible)
+		errmsg("cannot combine -i (invisible) with -n (normal window)");
+
 	if(!(d = XOpenDisplay(NULL)))
 		errmsg("can't open X display");
 
@@ -188,7 +191,7 @@ int main(int argc, char **argv) {
 			DefaultRootWindow(d),
 			x, y, width, height, 0,
 			CopyFromParent,
-			InputOutput,
+			(visible ? InputOutput : InputOnly),
 			CopyFromParent,
 			(visible ? CWBackPixel : 0) | CWOverrideRedirect | CWEventMask,
 			&setattr);