Re: Setting the Line Height/ Line Spacing in an NSTextView.
Re: Setting the Line Height/ Line Spacing in an NSTextView.
- Subject: Re: Setting the Line Height/ Line Spacing in an NSTextView.
- From: "Paul Sanders" <email@hidden>
- Date: Sat, 2 Jan 2010 11:04:52 -0000
Well, I have to say Graham has a point there, and I'm not going
to write your code for you, but what I do goes something like
this:
1. Get the current typing attributes from my NSTextView (as an
NSDictionary)
2. Make a mutable copy (as an NSMutableDictionary)
3. Retrieve the current NSParagrahpStyle from the dictionary
(using NSParagraphStyleAttributeName as a key)
4. Make a mutable copy of that (as an NSMutableParagraphStyle)
5. Adjust this as desired (refer to docs)
6. Add it to the NSMutableDictionary (again with key
NSParagraphStyleAttributeName)
7. Pass the dictionary to NSTextView's setTypingAttributes
method
8. Release your mutable copies
You can do something similar (using NSFont and
NSFontAttributeName) if you want to change the font (which might
be what you're after, I'm not sure).
If none of this makes any sense to you, you need to do some
background reading (it's not something you can do in 5 minutes)
and then write youself a little test program. Mine is called
Cocoa Testbench, and it taught me a lot.
As an aside, I remember when I first started learning Cocoa how
tiring I found it, mentally (I am not the youngest of spring
chickens). There is a lot to know. I think it's Hillegass who
recommends getting plenty of sleep. His book "Cocoa Programming
for Mac OS X" might be worth buying (that will be $5 please
Aaron :).
Paul Sanders
----- Original Message -----
From: "Graham Cox" <email@hidden>
To: "Joshua Garnham" <email@hidden>
Cc: "Cocoa-Dev List" <email@hidden>
Sent: Saturday, January 02, 2010 10:13 AM
Subject: Re: Setting the Line Height/ Line Spacing in an
NSTextView.
On 02/01/2010, at 6:57 PM, Joshua Garnham wrote:
> How would I use that?
RTFM:
http://developer.apple.com/mac/library/documentation/Cocoa/Conceptual/TextArchitecture/TextArchitecture.pdf
--Graham
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