GnomishVendorShrinker/externals/tooltip_scanner.lua

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2016-09-07 01:59:24 +00:00
local myname, ns = ...
local tip = CreateFrame("GameTooltip")
tip:SetOwner(WorldFrame, "ANCHOR_NONE")
ns.scantip = tip
local lcache, rcache = {}, {}
for i=1,30 do
lcache[i], rcache[i] = tip:CreateFontString(), tip:CreateFontString()
lcache[i]:SetFontObject(GameFontNormal)
rcache[i]:SetFontObject(GameFontNormal)
tip:AddFontStrings(lcache[i], rcache[i])
end
-- GetText cache tables, provide fast access to the tooltip's text
tip.L = setmetatable({}, {
__index = function(t, key)
if tip:NumLines() >= key and lcache[key] then
local v = lcache[key]:GetText()
t[key] = v
return v
end
return nil
end,
})
tip.R = setmetatable({}, {
__index = function(t, key)
if tip:NumLines() >= key and rcache[key] then
local v = rcache[key]:GetText()
t[key] = v
return v
end
return nil
end,
})
-- Performes a "full" erase of the tooltip
tip.Erase = function(self)
self:ClearLines() -- Ensures tooltip's NumLines is reset
for i in pairs(self.L) do self.L[i] = nil end -- Flush the metatable cache
for i in pairs(self.R) do
self.rcache[i]:SetText() -- Clear text from right side (ClearLines only hides them)
self.R[i] = nil -- Flush the metatable cache
end
if not self:IsOwned(WorldFrame) then
self:SetOwner(WorldFrame, "ANCHOR_NONE")
end
end
-- Hooks the Set* methods to force a full erase beforehand
local methods = {"SetMerchantCostItem", "SetBagItem", "SetAction",
"SetAuctionItem", "SetAuctionSellItem", "SetBuybackItem", "SetCraftItem",
"SetCraftSpell", "SetHyperlink", "SetInboxItem", "SetInventoryItem",
"SetLootItem", "SetLootRollItem", "SetMerchantItem", "SetPetAction",
"SetPlayerBuff", "SetQuestItem", "SetQuestLogItem", "SetQuestRewardSpell",
"SetSendMailItem", "SetShapeshift", "SetSpell", "SetTalent",
"SetTrackingSpell", "SetTradePlayerItem", "SetTradeSkillItem",
"SetTradeTargetItem", "SetTrainerService", "SetUnit", "SetUnitBuff",
"SetUnitDebuff"}
for _,m in pairs(methods) do
local orig = tip[m]
tip[m] = function(self, ...)
self:Erase()
return orig(self, ...)
end
end