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{{cleanup|Mostly out of date and misguided; merge into relevant articles and delete}} | |||
== World of Warcraft Scripting Quirks == | == World of Warcraft Scripting Quirks == | ||
* [[Macros]] | * [[Macros]] | ||
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** OnUpdate handlers are only called when the frame is visible. | ** OnUpdate handlers are only called when the frame is visible. | ||
** OnUpdate handles are called ''every'' frame. Use with care. | ** OnUpdate handles are called ''every'' frame. Use with care. | ||
** When nesting frames, you can access the parent frame name in XML names | ** When nesting frames, you can access the parent frame name in XML names with $parent, this is a textual substitution and cannot be used in Lua. The Lua equivalent to $parent is the GetParent() method of the frame (e.g. getglobal(Frame:GetParent():GetName().."Button") is the same as $parentButton). | ||
** All [[Frames]] have a GetID() function which will obtain the ID specified in the XML. ID's must be positive integers enclosed in quotes: ie. id="1" or id="20" | ** All [[Frames]] have a GetID() function which will obtain the ID specified in the XML. ID's must be positive integers enclosed in quotes: ie. id="1" or id="20" | ||
** If you don't specify parent="UIParent" in your top-level frames, your frames won't be scaled according to the currently active UI scale. This can lead to some hair-pulling as you try to figure out why your fonts are so huge. (But, in some cases, not having that scaling might be desirable.) | ** If you don't specify parent="UIParent" in your top-level frames, your frames won't be scaled according to the currently active UI scale. This can lead to some hair-pulling as you try to figure out why your fonts are so huge. (But, in some cases, not having that scaling might be desirable.) | ||
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** See [[Lua Scope]] for a complete description of the implications of Lua's variable scoping. | ** See [[Lua Scope]] for a complete description of the implications of Lua's variable scoping. | ||
[[Category:Interface customization]] | [[Category:Interface customization]] | ||