From e194849bdaec6f61812cd0f3aca1235075acdeca Mon Sep 17 00:00:00 2001
From: "B. Watson" <urchlay@slackware.uk>
Date: Thu, 1 Feb 2024 13:17:43 -0500
Subject: Do not allow "-n -i".

---
 xdeadzone.1   | 4 ++--
 xdeadzone.c   | 5 ++++-
 xdeadzone.rst | 4 ++--
 3 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/xdeadzone.1 b/xdeadzone.1
index abb9051..543ff4a 100644
--- a/xdeadzone.1
+++ b/xdeadzone.1
@@ -36,7 +36,7 @@ xdeadzone \- keep the mouse pointer out of the dead zone, on mismatched multihea
 .
 .SH SYNOPSIS
 .sp
-xdeadzone <[\fB\-i\fP \fB\-b\fP | \fB\-w\fP ]> [\fB\-nw\fP | \fB\-ne\fP | \fB\-sw\fP | \fB\-se\fP | \fB\-abs\fP] \fIgeometry\fP
+xdeadzone <[\fB\-i\fP \fB\-b\fP | \fB\-w\fP ]> <\fB\-n*> [\fP\-nw** | \fB\-ne\fP | \fB\-sw\fP | \fB\-se\fP | \fB\-abs\fP] \fIgeometry\fP
 .sp
 xdeadzone \fB\-\-help\fP | \fB\-\-version\fP
 .SH DESCRIPTION
@@ -116,7 +116,7 @@ Make window visible, display as a white rectangle.
 .B \fB\-n\fP
 Create window as a normal window, with titlebar and without
 appearing on all desktops. Implies \fB\-w\fP, but can be followed
-by \fB\-b\fP for a black rectangle.
+by \fB\-b\fP for a black rectangle. Cannot be combined with \fB\-i\fP\&.
 .UNINDENT
 .SS Informational options
 .INDENT 0.0
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);
diff --git a/xdeadzone.rst b/xdeadzone.rst
index 909da79..9d26326 100644
--- a/xdeadzone.rst
+++ b/xdeadzone.rst
@@ -20,7 +20,7 @@ keep the mouse pointer out of the dead zone, on mismatched multihead displays.
 SYNOPSIS
 ========
 
-xdeadzone <[**-i** **-b** | **-w** ]> [**-nw** | **-ne** | **-sw** | **-se** | **-abs**] *geometry*
+xdeadzone <[**-i** **-b** | **-w** ]> <**-n*> [**-nw** | **-ne** | **-sw** | **-se** | **-abs**] *geometry*
 
 xdeadzone **--help** | **--version**
 
@@ -105,7 +105,7 @@ look and behave.
 **-n**
   Create window as a normal window, with titlebar and without
   appearing on all desktops. Implies **-w**, but can be followed
-  by **-b** for a black rectangle.
+  by **-b** for a black rectangle. Cannot be combined with **-i**.
 
 Informational options
 ---------------------
-- 
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