> On Jul 6, 2015, at 5:49 PM, Joel Norvell <[email protected]> wrote:
>
> Hi Richard,
>
> When the instance of your NSTextField subclass becomes first responder, you
> have access to the NSText object (the field editor) and I believe you can use
> its methods to select the text. (I don't see why you can't, but since I
> haven't tried it myself, I'm saying "I believe.")
>
> Sincerely,
> Joel
>
> Override - (BOOL)becomeFirstResponder in your subclass.
>
> Get the field editor:
>
> NSText * itsText = [[self window] fieldEditor:YES forObject:self];
>
> Use -selectAll or -setSelectedRange
Yes I have access to the field editor for the NSTextField. Directly setting the
selection using the field editor however does not work.
- (BOOL)becomeFirstResponder
{
BOOL result = [super becomeFirstResponder];
if(result) {
NSText *editor = self.currentEditor;
assert(editor && "Current editor is nil!");
assert(editor.isFieldEditor && "Editor not a field editor!");
NSRange range = NSMakeRange(0, editor.string.length);
[editor setSelectedRange:range];
}
return result;
}
The above code does not work.
There is some sort of interaction between NSTextField (and or the field editor)
and the runloop that has changed for the worse in OS X 10.10 Yosemite. The only
code that works is to override becomeFirstResponder and then schedule the
selectText: message with the runloop to execute after a non zero delay. I have
not been able to get anything else to work.
A comment by Daniel Wabyick at the end of this stackoverflow question suggests
that this was a problem in OS X 10.9 Mavericks but have been unable to
duplicate that.
http://stackoverflow.com/questions/2195704/selecttext-of-nstextfield-on-focus
So in summary in OS X 10.10 selecting all the text of an NSTextField when the
user clicks it has become difficult.
--Richard Charles
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