From 6d67b84469d5c12c5bbc4880f327ca8eb7a2ed2d Mon Sep 17 00:00:00 2001
From: vaxerski <vaxry@vaxry.net>
Date: Fri, 24 May 2024 20:56:42 +0200
Subject: [PATCH] monitor: avoid UB on undefined auto dir

ref #6217
---
 src/Compositor.cpp      | 1 +
 src/helpers/Monitor.hpp | 5 +++--
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/Compositor.cpp b/src/Compositor.cpp
index 5c9cfbad..529a3b3d 100644
--- a/src/Compositor.cpp
+++ b/src/Compositor.cpp
@@ -2666,6 +2666,7 @@ void CCompositor::arrangeMonitors() {
                 maxXOffsetLeft = newPosition.x;
                 break;
             case eAutoDirs::DIR_AUTO_RIGHT:
+            case eAutoDirs::DIR_AUTO_NONE:
                 newPosition.x = maxXOffsetRight;
                 maxXOffsetRight += m->vecSize.x;
                 break;
diff --git a/src/helpers/Monitor.hpp b/src/helpers/Monitor.hpp
index 7aa07a86..e4456084 100644
--- a/src/helpers/Monitor.hpp
+++ b/src/helpers/Monitor.hpp
@@ -13,7 +13,8 @@
 #include "signal/Signal.hpp"
 
 // Enum for the different types of auto directions, e.g. auto-left, auto-up.
-enum class eAutoDirs {
+enum eAutoDirs {
+    DIR_AUTO_NONE = 0, /* None will be treated as right. */
     DIR_AUTO_UP,
     DIR_AUTO_DOWN,
     DIR_AUTO_LEFT,
@@ -21,7 +22,7 @@ enum class eAutoDirs {
 };
 
 struct SMonitorRule {
-    eAutoDirs           autoDir;
+    eAutoDirs           autoDir     = DIR_AUTO_NONE;
     std::string         name        = "";
     Vector2D            resolution  = Vector2D(1280, 720);
     Vector2D            offset      = Vector2D(0, 0);