Add files via upload

Minimap.lua

@@ -52,15 +52,24 @@ end
 MM._updatePosition = applyPosition
 
 local function onDragUpdate()
-    local mx, my    = GetCursorPosition()
-    local scale     = UIParent:GetEffectiveScale() or 1
-    mx = mx / scale; my = my / scale
+    -- Do all math in the button's own effective scale. The button is
+    -- parented to Minimap, whose effective scale can differ from
+    -- UIParent's; mixing scales makes the icon drift away from the cursor.
+    local btn = this
+    local bscale = btn:GetEffectiveScale() or 1
+    local uscale = UIParent:GetEffectiveScale() or 1
+    local mx, my = GetCursorPosition()
+    mx = mx / bscale
+    my = my / bscale
     local ucx, ucy = UIParent:GetCenter()
     if not ucx then return end
+    -- Convert UIParent center from UIParent scale into btn scale.
+    ucx = ucx * uscale / bscale
+    ucy = ucy * uscale / bscale
     local o = opts()
     o.minimapX = mx - ucx
     o.minimapY = my - ucy
-    applyPosition(this)
+    applyPosition(btn)
 end
 
 function MM:Create()