Add dragging between windows on background

AetherBags/Addons/AddonInventoryWindow.cs

@@ -22,6 +22,8 @@ public unsafe class AddonInventoryWindow : InventoryAddonBase
 
     protected override void OnSetup(AtkUnitBase* addon)
     {
+        InitializeBackgroundDropTarget();
+
         CategoriesNode = new WrappingGridNode<InventoryCategoryNode>
         {
             Position = ContentStartPosition,

AetherBags/Addons/AddonRetainerWindow.cs

@@ -33,6 +33,8 @@ public unsafe class AddonRetainerWindow : InventoryAddonBase
 
     protected override void OnSetup(AtkUnitBase* addon)
     {
+        InitializeBackgroundDropTarget();
+
         WindowNode?.AddColor = _tintColor;
 
         CategoriesNode = new WrappingGridNode<InventoryCategoryNode>

AetherBags/Addons/AddonSaddleBagWindow.cs

@@ -26,6 +26,8 @@ public unsafe class AddonSaddleBagWindow :  InventoryAddonBase
 
     protected override void OnSetup(AtkUnitBase* addon)
     {
+        InitializeBackgroundDropTarget();
+
         WindowNode?.AddColor = _tintColor;
 
         CategoriesNode = new WrappingGridNode<InventoryCategoryNode>

AetherBags/Addons/InventoryAddonBase.cs

@@ -1,14 +1,19 @@
 using System;
 using System.Collections.Generic;
 using System.Numerics;
+using AetherBags.Helpers;
 using AetherBags.Inventory;
 using AetherBags.Inventory.Categories;
+using AetherBags.Inventory.Context;
+using AetherBags.Inventory.Scanning;
 using AetherBags.Inventory.State;
 using AetherBags.Nodes.Input;
 using AetherBags.Nodes.Inventory;
 using AetherBags.Nodes.Layout;
+using FFXIVClientStructs.FFXIV.Client.Game;
 using FFXIVClientStructs.FFXIV.Component.GUI;
 using KamiToolKit;
+using KamiToolKit.Classes;
 using KamiToolKit.Nodes;
 
 namespace AetherBags.Addons;
@@ -19,6 +24,7 @@ public abstract unsafe class InventoryAddonBase :  NativeAddon
     protected readonly InventoryCategoryPinCoordinator PinCoordinator = new();
     protected readonly HashSet<InventoryCategoryNode> HoverSubscribed = new();
 
+    protected DragDropNode BackgroundDropTarget = null!;
     protected WrappingGridNode<InventoryCategoryNode> CategoriesNode = null!;
     protected TextInputWithHintNode SearchInputNode = null!;
     protected InventoryFooterNode FooterNode = null!;
@@ -129,6 +135,26 @@ public abstract unsafe class InventoryAddonBase :  NativeAddon
         }
     }
 
+    protected void InitializeBackgroundDropTarget()
+    {
+        BackgroundDropTarget = new DragDropNode
+        {
+            Position = ContentStartPosition,
+            Size = ContentSize,
+            IconId = 0,
+            IsDraggable = false,
+            IsClickable = false,
+            AcceptedType = DragDropType.Item,
+        };
+
+        BackgroundDropTarget.DragDropBackgroundNode.IsVisible = false;
+        BackgroundDropTarget.IconNode.IsVisible = false;
+
+        BackgroundDropTarget.OnPayloadAccepted = OnBackgroundPayloadAccepted;
+
+        BackgroundDropTarget.AttachNode(this);
+    }
+
     protected virtual InventoryCategoryNode CreateCategoryNode()
     {
         return new InventoryCategoryNode
@@ -139,6 +165,38 @@ public abstract unsafe class InventoryAddonBase :  NativeAddon
         };
     }
 
+    private void OnBackgroundPayloadAccepted(DragDropNode node, DragDropPayload acceptedPayload)
+    {
+        if (!acceptedPayload.IsValidInventoryPayload) return;
+
+        InventoryLocation emptyLocation = InventoryScanner.GetFirstEmptySlot(InventoryState.SourceType);
+
+        if (!emptyLocation.IsValid)
+        {
+            Services.Logger.Error("No empty slots available to receive drop.");
+            return;
+        }
+
+        InventoryMappedLocation visualLocation = InventoryContextState.GetVisualLocation(emptyLocation.Container, emptyLocation.Slot);
+
+        var visualInvType = InventoryType.GetInventoryTypeFromContainerId(visualLocation.Container);
+        int absoluteIndex = visualInvType.GetInventoryStartIndex + visualLocation.Slot;
+
+        var targetPayload = new DragDropPayload
+        {
+            Type = DragDropType.Item,
+            Int1 = visualLocation.Container,
+            Int2 = visualLocation.Slot,
+            ReferenceIndex = (short)absoluteIndex
+        };
+
+        Services.Logger.Debug($"[BackgroundDrop] Target: {emptyLocation} -> Visual: {visualLocation} (Ref: {absoluteIndex})");
+
+        InventoryMoveHelper.HandleItemMovePayload(acceptedPayload, targetPayload);
+
+        ManualRefresh();
+    }
+
     protected void WireHoverHandlers()
     {
         var nodes = CategoriesNode.Nodes;
@@ -233,6 +291,12 @@ public abstract unsafe class InventoryAddonBase :  NativeAddon
     protected void ResizeWindow(float width, float height, bool recalcLayout)
     {
         SetWindowSize(width, height);
+
+        if (BackgroundDropTarget != null)
+        {
+            BackgroundDropTarget.Size = ContentSize;
+        }
+
         LayoutContent();
 
         if (recalcLayout)

AetherBags/Inventory/Context/InventoryContextState.cs

@@ -10,12 +10,16 @@ public static unsafe class InventoryContextState
 {
     private static readonly HashSet<(int page, int slot)> EligibleSlots = new();
     private static readonly HashSet<(InventoryType container, int slot)> BlockedSlots = new();
-    // map from real (containerId, slot) -> visual (containerId, slot)
+
     private static readonly Dictionary<InventoryMappedLocation, InventoryMappedLocation> VisualLocationMap = new();
     private static readonly Dictionary<int, Dictionary<InventoryMappedLocation, InventoryMappedLocation>> GroupedLocationMaps = new();
 
     private static uint _lastContextId;
 
+    public static uint ActiveContextId => _lastContextId;
+
+    public static bool HasActiveContext => _lastContextId != 0;
+
     public static void RefreshMaps()
     {
         EligibleSlots.Clear();
@@ -134,9 +138,6 @@ public static unsafe class InventoryContextState
     public static bool IsSlotBlocked(InventoryType container, int slot)
         => BlockedSlots.Contains((container, slot));
 
-    public static bool HasActiveContext
-        => _lastContextId != 0;
-
     public static InventoryMappedLocation GetVisualLocation(InventoryType realContainer, int slot)
     {
         var key = new InventoryMappedLocation((int)realContainer, slot);

AetherBags/Inventory/Items/ItemInfo.cs

@@ -82,13 +82,35 @@ public sealed class ItemInfo : IEquatable<ItemInfo>
     {
         get
         {
-            if (!InventoryContextState.HasActiveContext)
+            uint contextId = InventoryContextState.ActiveContextId;
-                return true;
+            if (contextId == 0) return true;
 
-            if (!IsMainInventory)
+            bool isRetainerContext = contextId == 4;
-                return true;
+            bool isSaddlebagContext = contextId == 29;
+            bool isMainContext = !isRetainerContext && isSaddlebagContext == false;
 
-            return InventoryContextState.IsEligible(InventoryPage, Item.Slot);
+            if (IsMainInventory)
+            {
+                if (!isMainContext) return true;
+
+                return InventoryContextState.IsEligible(InventoryPage, Item.Slot);
+            }
+
+            if (Item.Container.IsRetainer)
+            {
+                // ...but the context isn't for Retainers, don't dim it.
+                if (!isRetainerContext)
+                    return true;
+            }
+
+            // 3. If we are looking at a Saddlebag item...
+            if (Item.Container.IsSaddleBag)
+            {
+                if (!isSaddlebagContext)
+                    return true;
+            }
+
+            return true;
         }
     }
 

AetherBags/Inventory/Scanning/InventoryScanner.cs

@@ -173,7 +173,27 @@ public static unsafe class InventoryScanner
     }
 
     public static InventoryContainer* GetInventoryContainer(InventoryType inventoryType)
-        => FFXIVClientStructs.FFXIV.Client.Game.InventoryManager.Instance()->GetInventoryContainer(inventoryType);
+        => InventoryManager.Instance()->GetInventoryContainer(inventoryType);
+
+    public static InventoryLocation GetFirstEmptySlot(InventorySourceType source)
+    {
+        var manager = InventoryManager.Instance();
+        var containers = InventorySourceDefinitions.GetContainersForSource(source);
+
+        foreach (var type in containers)
+        {
+            var container = manager->GetInventoryContainer(type);
+            if (container == null || container->Size == 0) continue;
+
+            for (int i = 0; i < container->Size; i++)
+            {
+                if (container->Items[i].ItemId == 0)
+                    return new InventoryLocation(type, (ushort)i);
+            }
+        }
+
+        return InventoryLocation.Invalid;
+    }
 
     // Backwards compability TODO: Remove
     public static string GetEmptyItemSlotsString()
@@ -184,7 +204,7 @@ public static unsafe class InventoryScanner
         int total = InventorySourceDefinitions.GetTotalSlots(source);
         uint empty = source switch
         {
-            InventorySourceType.MainBags => FFXIVClientStructs.FFXIV.Client.Game.InventoryManager.Instance()->GetEmptySlotsInBag(),
+            InventorySourceType.MainBags => InventoryManager.Instance()->GetEmptySlotsInBag(),
             InventorySourceType.SaddleBag => GetEmptySlotsInContainer(InventorySourceDefinitions.SaddleBag),
             InventorySourceType.PremiumSaddleBag => GetEmptySlotsInContainer(InventorySourceDefinitions.PremiumSaddleBag),
             InventorySourceType.AllSaddleBags => GetEmptySlotsInContainer(InventorySourceDefinitions.AllSaddleBags),
@@ -198,7 +218,7 @@ public static unsafe class InventoryScanner
     private static uint GetEmptySlotsInContainer(InventoryType[] inventories)
     {
         uint empty = 0;
-        var inventoryManager = FFXIVClientStructs.FFXIV.Client.Game.InventoryManager.Instance();
+        var inventoryManager = InventoryManager.Instance();
         foreach (var inv in inventories)
         {
             var container = inventoryManager->GetInventoryContainer(inv);

AetherBags/Inventory/Scanning/InventorySource.cs

@@ -60,13 +60,23 @@ public static class InventorySourceDefinitions
         _ => MainBags,
     };
 
+    public static InventoryType[] GetContainersForSource(InventorySourceType source) => source switch
+    {
+        InventorySourceType.MainBags => MainBags,
+        InventorySourceType.SaddleBag => SaddleBag,
+        InventorySourceType.PremiumSaddleBag => PremiumSaddleBag,
+        InventorySourceType.AllSaddleBags => AllSaddleBags,
+        InventorySourceType.Retainer => Retainer,
+        _ => MainBags,
+    };
+
     public static int GetTotalSlots(InventorySourceType source) => source switch
     {
-        InventorySourceType.MainBags => 140,        // 4 * 35
+        InventorySourceType.MainBags => 140,                    // 4 * 35
-        InventorySourceType.SaddleBag => 70,        // 2 * 35
+        InventorySourceType.SaddleBag => 70,                    // 2 * 35
-        InventorySourceType.PremiumSaddleBag => 70, // 2 * 35
+        InventorySourceType.PremiumSaddleBag => 70,             // 2 * 35
-        InventorySourceType.AllSaddleBags => 140,   // 2 * 35
+        InventorySourceType.AllSaddleBags => 140,               // 2 * 35
-        InventorySourceType.Retainer => 175,        // 7 * 25
+        InventorySourceType.Retainer => Retainer.Length * 35,   // 7 * 25
         _ => 140,
     };
 }

AetherBags/Nodes/Configuration/Currency/CurrencyGeneralConfigurationNode.cs

@@ -51,8 +51,6 @@ public sealed class CurrencyGeneralConfigurationNode : TabbedVerticalListNode
         };
         AddNode(defaultCurrencyColorNode);
 
-        AddNode();
-
         CheckboxNode cappedEnabledCheckbox = new CheckboxNode
         {
             Size = Size with { Y = 18 },
@@ -89,7 +87,7 @@ public sealed class CurrencyGeneralConfigurationNode : TabbedVerticalListNode
         {
             Size = Size with { Y = 18 },
             IsVisible = true,
-            String = "Color Weekly Limit",
+            String = "Limited Currency Color",
             IsChecked = config.ColorWhenLimited,
             OnClick = isChecked =>
             {
@@ -103,7 +101,7 @@ public sealed class CurrencyGeneralConfigurationNode : TabbedVerticalListNode
 
         ColorInputRow limitCurrencyColorNode = new ColorInputRow
         {
-            Label = "Limit Currency Color",
+            Label = "Color Weekly Limit",
             Size = new Vector2(300, 24),
             CurrentColor = config.LimitColor,
             DefaultColor = new CurrencySettings().LimitColor,

AetherBags/Nodes/Currency/CurrencyNode.cs

@@ -51,7 +51,7 @@ public class CurrencyNode : SimpleComponentNode
 
             _countNode.TextColor =
                 isLimited ? config.LimitColor :
-                isCapped  ? config.CappedColor :
+                isCapped ? config.CappedColor :
                 config.DefaultColor;
         }
     }