From def5f5e4ac3fa440a9dd44f8469888168f994113 Mon Sep 17 00:00:00 2001
From: praxis <889+praxis@noreply.octowow.st>
Date: Sun, 13 Sep 2026 09:52:49 +0000
Subject: [PATCH] Add modules/unusable.lua

---
 modules/unusable.lua | 56 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 modules/unusable.lua

diff --git a/modules/unusable.lua b/modules/unusable.lua
new file mode 100644
index 0000000..73a9d99
--- /dev/null
+++ b/modules/unusable.lua
@@ -0,0 +1,56 @@
+pfUI:RegisterModule("unusable", "vanilla:tbc", function ()
+  if not pfUI.bag then return end
+  if C.appearance.bags.unusable ~= "1" then return end
+
+  pfUI.unusable = {}
+
+  local scanner = libtipscan:GetScanner("unusable")
+  local durability = string.gsub(DURABILITY_TEMPLATE, "%%[^%s]+", "(.+)")
+  local r, g, b, a = strsplit(",", C.appearance.bags.unusable_color)
+
+  function pfUI.unusable:UpdateSlot(bag, slot)
+    -- break on invalid bag slots
+    if not pfUI.bags[bag] then return end
+    if not pfUI.bags[bag].slots[slot] then return end
+
+    -- add button shortcuts
+    local frame = pfUI.bags[bag].slots[slot].frame
+    local name = frame:GetName()
+
+    -- return on empty buttons
+    if not frame.hasItem then return end
+
+    -- set the proper tooltip method
+    if bag == BANK_CONTAINER then
+      scanner:SetInventoryItem("player", 39+slot)
+    else
+      scanner:SetBagItem(bag, slot)
+    end
+
+    -- check for red color in tooltip
+    local red = scanner:Color(RED_FONT_COLOR)
+    if not red then return end
+
+    -- check for broken items
+    local left = scanner:Line(red)
+    local _, _, broken = string.find(left, durability, 1)
+    if broken then return end
+
+    -- update button vertex color
+    _G.SetItemButtonTextureVertexColor(frame, r, g, b, a)
+  end
+
+  -- update on regular pfUI button updates
+  local HookUpdateSlot = pfUI.bag.UpdateSlot
+  pfUI.bag.UpdateSlot = function(self, bag, slot)
+    HookUpdateSlot(self, bag, slot)
+    pfUI.unusable:UpdateSlot(bag, slot)
+  end
+
+  -- update on bank frame itemlock updates
+  local HookBankFrameItemButton_UpdateLock = BankFrameItemButton_UpdateLock
+  _G.BankFrameItemButton_UpdateLock = function()
+    HookBankFrameItemButton_UpdateLock()
+    pfUI.unusable:UpdateSlot(-1, this:GetID())
+  end
+end)