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Re: getting visible character range

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Re: getting visible character range

Subject: Re: getting visible character range
From: Douglas Davidson <email@hidden>
Date: Mon, 6 Feb 2006 09:25:07 -0800


On Feb 5, 2006, at 11:07 AM, Aleaxander Cohen wrote:

I'm trying to get the visible character range from a NSTextView and then, from the first visible character, move back to the first white space, and from the last character, move to the next whitespace. How can i get that range?

1) Get the visibleRect of the view. 2) Convert it to container coordinates by subtracting the textContainerOrigin from the rect's origin. 3) Ask the layout manager for the glyphRangeForBoundingRect:inTextContainer:. 4) Convert the glyph range to a character range with characterRangeForGlyphRange:actualGlyphRange:. 5) I'm not sure exactly what you want when you speak of whitespace, but you might consider nextWordFromIndex:forward:.

Douglas Davidson

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  >getting visible character range (From: Aleaxander Cohen <email@hidden>)




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