Re: Changing the line height of an NSTextField?

FROM : Nicholas J Humfrey
DATE : Wed Mar 26 23:48:19 2008

On 26 Mar 2008, at 22:17, Douglas Davidson wrote:
>
> On Mar 26, 2008, at 3:10 PM, Nicholas J Humfrey wrote:
>

>> In the end I subclased the NSTextField class and overrid the 
>> drawRect function. I then split the string up into its lines and 
>> drew them myself using drawRect. This is some of the first Cocoa 
>> code I have written, so please don't hurt me if what I am doing is 
>> crazy!

>
> Well, what you're doing is using only explicit line breaks, rather 
> than allowing wrapping, and you're taking into account only \n as a 
> line separator, rather than handling all of the line and paragraph 
> break characters.  What you're doing will work, more or less, but 
> it's not sufficiently general to be a real solution.


Yes. It certainly isn't a real/generic solution. In this case I 
actually wanted the lines to clip, rather than wrap if the user hadn't 
explicitly sorted them out previously in the application.


> I missed the initial question, but in general line heights are 
> controlled by an NSParagraphStyle, which is used as the value of the 
> NSParagraphStyleAttributeName attribute.  This is the same object 
> that controls most paragraph-level styling, including line breaking, 
> alignment, etc.



Ah, cool, thanks. Not sure why I didn't find that with Google!


nick.