Fix horizontal scroll area

Source/Extensions/PawnTable_Extensions.cs

@@ -0,0 +1,35 @@
+using RimWorld;
+using RimWorld.BaseGen;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.CompilerServices;
+using System.Text;
+using System.Threading.Tasks;
+using UnityEngine;
+
+namespace WorkTab.Extensions {
+    internal static class PawnTable_Extensions {
+        private static ConditionalWeakTable<PawnTable, StrongBox<Rect>> outRectDictionary=new ConditionalWeakTable<PawnTable, StrongBox<Rect>>();
+        /// <summary>
+        /// Sets the rectangle the <see cref="PawnTable"/> is drawn in.
+        /// </summary>
+        /// <param name="pawnTable">The <see cref="PawnTable"/> being extended.</param>
+        /// <param name="outRect">The rectangle the <see cref="PawnTable"/> will be drawn in.</param>
+        internal static void set_OutRect(this PawnTable pawnTable, Rect outRect) {
+            var value = outRectDictionary.GetValue(
+                pawnTable,
+                a => new StrongBox<Rect>(outRect)
+            );
+            value.Value = outRect;
+        }
+        /// <summary>
+        /// Gets the rectangle the <see cref="PawnTable"/> will be drawn in.
+        /// </summary>
+        /// <param name="pawnTable">The <see cref="PawnTable"/> being extended.</param>
+        /// <returns>The rectangle the <see cref="PawnTable"/> will be drawn in.</returns>
+        internal static Rect get_OutRect(this PawnTable pawnTable) {
+            return outRectDictionary.GetOrCreateValue(pawnTable).Value;
+        }
+    }
+}

Source/HarmonyPatches/PawnTable/PawnTable_PawnTableOnGUI.cs

@@ -8,6 +8,7 @@
 using RimWorld;
 using UnityEngine;
 using Verse;
+using WorkTab.Extensions;
 
 namespace WorkTab {
     [HarmonyPatch(typeof(PawnTable), nameof(PawnTable.PawnTableOnGUI))]
@@ -79,7 +80,11 @@ public static bool Prefix(PawnTable __instance,
             // Instead, we want to limit outRect to the available view area, so a horizontal scrollbar can appear.
             float labelWidth = cachedColumnWidths[0];
             var labelCol   = columns[0];
-            float outWidth   = Mathf.Min( cachedSize.x - labelWidth, UI.screenWidth - (standardWindowMargin * 2f) );
+            // ideally this method would be called with a Rect outRect
+            // indicating the window it is being drawn in instead
+            // of a Vector2 position
+            var outRect = __instance.get_OutRect();
+            float outWidth   = outRect.width - labelWidth;
             float viewWidth  = cachedSize.x - labelWidth - 16f;
 
             Rect labelHeaderRect = new Rect(

Source/PawnTable/MainTabWindow_WorkTab.cs

@@ -10,6 +10,7 @@
 using RimWorld.Planet;
 using UnityEngine;
 using Verse;
+using WorkTab.Extensions;
 using static WorkTab.Constants;
 using static WorkTab.InteractionUtilities;
 using static WorkTab.Resources;
@@ -122,6 +123,7 @@ public static void SelectWholeDay() {
         }
 
         public override void DoWindowContents(Rect rect) {
+            Instance.Table.set_OutRect(rect);
             if (_columnsChanged) {
                 RebuildTable();
             }