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Raid Frames: suppress intermediate relayouts while retargeting the flat header #2053

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Raid Frames: suppress intermediate relayouts while retargeting the flat header #2053

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8 changes: 7 additions & 1 deletion EllesmereUIRaidFrames/EllesmereUIRaidFrames.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -7385,7 +7385,12 @@ ns._LayoutGroupsImpl = function()
or ns._flatHeader:GetAttribute("xOffset") ~= hdrXOff
or ns._flatHeader:GetAttribute("yOffset") ~= hdrYOff
or ns._flatHeader:GetAttribute("columnAnchorPoint") ~= colAnchor then
-- Clear child anchors before changing layout direction
-- Attribute changes normally relayout visible children immediately.
-- Suppress those intermediate passes: changing point before the
-- column anchor can leave both old and new points on column starts.
-- The Hide/Show below rebuilds once with the complete layout.
local oldIgnore = ns._flatHeader:GetAttribute("_ignore")
ns._flatHeader:SetAttribute("_ignore", true)
local ci, child = 1, ns._flatHeader:GetAttribute("child1")
while child do
child:ClearAllPoints()
Expand All @@ -7396,6 +7401,7 @@ ns._LayoutGroupsImpl = function()
ns._flatHeader:SetAttribute("xOffset", hdrXOff)
ns._flatHeader:SetAttribute("yOffset", hdrYOff)
ns._flatHeader:SetAttribute("columnAnchorPoint", colAnchor)
ns._flatHeader:SetAttribute("_ignore", oldIgnore)
layoutChanged = true
end
if ns._flatHeader:GetAttribute("columnSpacing") ~= gs then
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