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Re: NSTextView and changing the selected text's color
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Re: NSTextView and changing the selected text's color


  • Subject: Re: NSTextView and changing the selected text's color
  • From: "Mattias Arrelid" <email@hidden>
  • Date: Thu, 12 Jun 2008 11:47:28 +0200

On Thu, Jun 12, 2008 at 11:14 AM, Mattias Arrelid <email@hidden> wrote:
> On Wed, Jun 11, 2008 at 6:15 PM, Mattias Arrelid <email@hidden> wrote:
>> Hi Douglas,
>>
>> On Wed, Jun 11, 2008 at 5:30 PM, Douglas Davidson <email@hidden> wrote:
>>>
>>> On Jun 11, 2008, at 3:24 AM, Mattias Arrelid wrote:
>>>
>>>> Haven't anyone stumbled upon something similar, or a solution to this?
>>>
>>> I believe it was answered.  You don't want to use setMarkedTextAttributes:,
>>> because marked text is the uncommitted text you see while using an input
>>> method.  You can use setSelectedTextAttributes: instead.
>>
>> It seems that I forgot to mention that I've tried that without
>> success. I can successfully set the background color of the selection
>> using this (in the initWithFrame: method of my custom text view):
>>
>> NSMutableDictionary *dict = [[[self selectedTextAttributes]
>> mutableCopy] autorelease];
>> [dict setObject:[NSColor redColor] forKey:NSBackgroundColorAttributeName];
>> [self setSelectedTextAttributes:dict];
>>
>> Now, any selected text will have a red background selection. Changing
>> the NSBackgroundColorAttributeName attribute to
>> NSForegroundColorAttributeName makes the selection background color
>> the system's default again, but doesn't affect the color of the
>> selected text.
>>
>> Am I missing something here?
>
> Just to test things; I did setup a simple test project, and in there
> it works just fine setting the foreground color. Back to the debugger
> to see where that call to setSelectedTextAttributes: is going.

Sorry for my many replies...

It turns out that if you set the NSForegroundColorAttributeName of the
attributed string in NSTextView's text storage, the call to
setSelectedTextAttributes: doesn't have any effect when called as
described below:

NSMutableDictionary *dict = [[[textView selectedTextAttributes]
mutableCopy] autorelease];
[dict setObject:[NSColor redColor] forKey:NSForegroundColorAttributeName];
[textView setSelectedTextAttributes:dict];

Setting the background color works fine though. I cannot see anything
regarding this limitation in the documentation - is it by design or is
it a bug?

Best regards
Mattias
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  • Follow-Ups:
    • Re: NSTextView and changing the selected text's color
      • From: Douglas Davidson <email@hidden>
    • Re: NSTextView and changing the selected text's color
      • From: Graham Cox <email@hidden>
References: 
 >Fwd: NSTextView and changing the selected text's color (From: "Mattias Arrelid" <email@hidden>)
 >Re: NSTextView and changing the selected text's color (From: Douglas Davidson <email@hidden>)
 >Re: NSTextView and changing the selected text's color (From: "Mattias Arrelid" <email@hidden>)
 >Re: NSTextView and changing the selected text's color (From: "Mattias Arrelid" <email@hidden>)

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