36 lines
1018 B
Lua
36 lines
1018 B
Lua
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local myname, ns = ...
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-- Resize a frame to fit all its visible children. Useful for creating frames
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-- that adjust to their contents while reducing couping between those frames
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--
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-- Attach to a frame by using `frame.SizeToFit = ns.SizeToFit`. Call with colon
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-- syntax, i.e. `frame:SizeToFit()` on the eldest frame you want to resize.
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-- All children with this helper will be resized if they are currently shown.
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local function ResizeChildren(...)
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for i=1,select("#", ...) do
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local child = select(i, ...)
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if child.SizeToFit and child:IsShown() then child:SizeToFit() end
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end
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end
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function ns.SizeToFit(self)
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-- The frame must be visible for `GetBoundsRect()` to work. That means it has
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-- to be "Shown" and have non-zero dimensions
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self:Show()
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self:SetSize(1, 1)
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-- Child frames need to be resized first
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ResizeChildren(self:GetChildren())
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-- Now resize ourself
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local _, _, width, height = self:GetBoundsRect()
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if(width ~= nil and height ~= nil) then
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self:SetSize(width, height)
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end
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end
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