Quest tooltip fixes and addition of theme switch

Core/Scheduler.lua

@@ -0,0 +1,59 @@
+QuestieOcto.Scheduler = QuestieOcto.Scheduler or {}
+local S = QuestieOcto.Scheduler
+
+S.queue = {}
+S.delayed = {}
+S.elapsed = 0
+S.interval = 0
+S.executed = 0
+
+function S:Enqueue(fn, label)
+  if not fn then return end
+  table.insert(self.queue, { fn=fn, label=label })
+end
+
+function S:After(delay, fn, key)
+  if not fn then return end
+  if key then
+    self.delayed[key] = { remaining=delay or 0, fn=fn }
+  else
+    table.insert(self.delayed, { remaining=delay or 0, fn=fn })
+  end
+end
+
+local function RunDelayed(self, delta)
+  local remove = {}
+  for k,v in pairs(self.delayed) do
+    v.remaining = v.remaining - delta
+    if v.remaining <= 0 then table.insert(remove, k) end
+  end
+  for _,k in pairs(remove) do
+    local entry = self.delayed[k]
+    self.delayed[k] = nil
+    if entry and entry.fn then entry.fn() end
+  end
+end
+
+function S:Tick()
+  -- Questie 3.3.5 ThreadLib resumes every active delay-0 thread once per frame.
+  -- Snapshot the queue length so a continuation re-enqueued by its own slice
+  -- cannot run twice in the same frame.
+  local count=table.getn(self.queue)
+
+  for i=1,count do
+    local entry=table.remove(self.queue,1)
+    if entry and entry.fn then
+      entry.fn()
+      self.executed=self.executed+1
+    end
+  end
+end
+
+local f=CreateFrame("Frame","QuestieOctoSchedulerFrame",UIParent)
+f:SetScript("OnUpdate",function()
+  local delta=arg1 or 0
+  RunDelayed(S,delta)
+  -- Questie ThreadLib delay < 0.05 means "every frame".
+  S.elapsed=0
+  S:Tick()
+end)