Wiley-World.of.Warcraft.Programming.A.Guide.and.Reference.for.Creating.WoW.Addons

1208 Part IV ■ ReferenceUpdateScrollChildRectUpdates the position of the scroll frame’s child.ScrollFrame:UpdateScrollChildRect()The ScrollFrame automatically adjusts the position of the child frame whenscrolled, but manually updating its position may be necessary when changingthe size or contents of the child frame.SimpleHTMLThe most sophisticated control over text display is offered by SimpleHTML widgets.When its text is set to a string containing valid HTML markup, a SimpleHTMLwidget will parse the content into its various blocks and sections, and lay the textout. While it supports most common text commands, a SimpleHTML widget acceptsan additional argument to most of these; if provided, the element argument willspecify the HTML elements to which the new style information should apply, such asformattedText:SetTextColor(“h2“, 1, 0.3, 0.1) which will cause all level 2headers to display in red. If no element name is specified, the settings apply to theSimpleHTML widget’s default font.Like ScrollingMessageFrame, SimpleHTML also provides hyperlink support, includinga hook to control the formatting of hyperlinked text with :SetHyperlinkFormat.This function takes a string, which is provided to string.format along with stringsrepresenting the hyperlink’s address and body text, and produces the appropriate linkand color codes along with any other desired formatting.This widget does not support scrolling by itself, but you can use it as a ScrollChildto support longer blocks of text. In addition, it is used by the stock UI to display thecontents of the books that your character may find lying around inns and libraries.SimpleHTML has all the methods from Frame, plus the following:GetFontReturns basic properties of a font used in the frame.filename, fontHeight, flags = SimpleHTML:GetFont([“element“])Arguments:element (optional)—Name of an HTML element for which to return font information(e.g. p, h1); if omitted, returns information about the frame’s default font(string)Returns:filename—Path to a font file (string)fontHeight—Height (point size) of the font to be displayed (in pixels) (number)flags—Additional properties for the font specified by one or more (separatedby commas) of the following tokens: (string)MONOCHROME - Font is rendered without anti-aliasingOUTLINE - Font is displayed with a black outlineTHICKOUTLINE - Font is displayed with a thick black outline