From 960cb725ec4e0f3187cbddd0011d3687046eca7b Mon Sep 17 00:00:00 2001
From: Tyfon <29051038+tyfon7@users.noreply.github.com>
Date: Tue, 23 Jul 2024 19:00:00 -0700
Subject: [PATCH] limit nonstandard dragging

---
 Patches/LimitDragPatches.cs | 44 +++++++++++++++++++++++++++++++++++++
 Plugin.cs                   |  1 +
 Settings.cs                 | 14 ++++++++++--
 3 files changed, 57 insertions(+), 2 deletions(-)
 create mode 100644 Patches/LimitDragPatches.cs

diff --git a/Patches/LimitDragPatches.cs b/Patches/LimitDragPatches.cs
new file mode 100644
index 0000000..3795443
--- /dev/null
+++ b/Patches/LimitDragPatches.cs
@@ -0,0 +1,44 @@
+using System;
+using System.Reflection;
+using EFT.UI;
+using HarmonyLib;
+using SPT.Reflection.Patching;
+using UnityEngine;
+using UnityEngine.EventSystems;
+
+namespace UIFixes;
+
+public static class LimitDragPatches
+{
+    public static void Enable()
+    {
+        new OnDragEventPatch(typeof(DragTrigger), nameof(DragTrigger.OnDrag)).Enable();
+        new OnDragEventPatch(typeof(DragTrigger), nameof(DragTrigger.OnBeginDrag)).Enable();
+        new OnDragEventPatch(typeof(DragTrigger), nameof(DragTrigger.OnEndDrag)).Enable();
+
+        new OnDragEventPatch(typeof(UIDragComponent), "UnityEngine.EventSystems.IDragHandler.OnDrag").Enable();
+        new OnDragEventPatch(typeof(UIDragComponent), "UnityEngine.EventSystems.IBeginDragHandler.OnBeginDrag").Enable();
+    }
+
+    public class OnDragEventPatch(Type type, string methodName) : ModulePatch
+    {
+        private readonly string methodName = methodName;
+        private readonly Type type = type;
+
+        protected override MethodBase GetTargetMethod()
+        {
+            return AccessTools.Method(type, methodName);
+        }
+
+        [PatchPrefix]
+        public static bool Prefix(PointerEventData eventData)
+        {
+            if (!Settings.LimitNonstandardDrags.Value)
+            {
+                return true;
+            }
+
+            return eventData.button == PointerEventData.InputButton.Left && !Input.GetKey(KeyCode.LeftShift) && !Input.GetKey(KeyCode.RightShift);
+        }
+    }
+}
\ No newline at end of file
diff --git a/Plugin.cs b/Plugin.cs
index 5072daa..46f2e68 100644
--- a/Plugin.cs
+++ b/Plugin.cs
@@ -68,6 +68,7 @@ public class Plugin : BaseUnityPlugin
         ReloadInPlacePatches.Enable();
         BarterOfferPatches.Enable();
         new UnlockCursorPatch().Enable();
+        LimitDragPatches.Enable();
     }
 
     public static bool InRaid()
diff --git a/Settings.cs b/Settings.cs
index 57863a2..f940946 100644
--- a/Settings.cs
+++ b/Settings.cs
@@ -70,6 +70,8 @@ internal class Settings
     public static ConfigEntry<bool> UseHomeEnd { get; set; }
     public static ConfigEntry<bool> RebindPageUpDown { get; set; }
     public static ConfigEntry<int> MouseScrollMulti { get; set; }
+    public static ConfigEntry<bool> UseRaidMouseScrollMulti { get; set; } // Advanced
+    public static ConfigEntry<int> MouseScrollMultiInRaid { get; set; } // Advanced
     public static ConfigEntry<KeyboardShortcut> InspectKeyBind { get; set; }
     public static ConfigEntry<KeyboardShortcut> OpenKeyBind { get; set; }
     public static ConfigEntry<KeyboardShortcut> ExamineKeyBind { get; set; }
@@ -81,8 +83,7 @@ internal class Settings
     public static ConfigEntry<KeyboardShortcut> FilterByKeyBind { get; set; }
     public static ConfigEntry<KeyboardShortcut> LinkedSearchKeyBind { get; set; }
     public static ConfigEntry<KeyboardShortcut> SortingTableKeyBind { get; set; }
-    public static ConfigEntry<bool> UseRaidMouseScrollMulti { get; set; } // Advanced
-    public static ConfigEntry<int> MouseScrollMultiInRaid { get; set; } // Advanced
+    public static ConfigEntry<bool> LimitNonstandardDrags { get; set; } // Advanced
     public static ConfigEntry<bool> ItemContextBlocksTextInputs { get; set; } // Advanced
 
     // Inventory
@@ -372,6 +373,15 @@ internal class Settings
                 null,
                 new ConfigurationManagerAttributes { })));
 
+        configEntries.Add(LimitNonstandardDrags = config.Bind(
+            InputSection,
+            "Limit Nonstandard Drags",
+            true,
+            new ConfigDescription(
+                "Constrain dragging to the left mouse, when shift is not down",
+                null,
+                new ConfigurationManagerAttributes { IsAdvanced = true })));
+
         configEntries.Add(ItemContextBlocksTextInputs = config.Bind(
            InputSection,
            "Block Text Inputs on Item Mouseover",