> On 6 Jul 2015, at 20:38, Richard Charles <rcharles...@gmail.com> wrote: > >> On Jul 6, 2015, at 12:12 PM, Gary L. Wade wrote: >> >> You want to select the text using the associated text view of the >> NSTextField control. > > Not sure what you mean by the "associated text view" of the control. Do you > mean the field editor of the control? I have subclassed NSTextField and > overridden becomeFirstResponder. NSTextField is a subclass of NSControl which > is a subclass of NSView. > > >> On Jul 6, 2015, at 12:07 PM, Quincey Morris wrote: >> >> On Jul 6, 2015, at 10:54 , Richard Charles wrote: >> >>> [self performSelector:@selector(selectText:) withObject:self >>> afterDelay:0]; >> >> I dunno, but I suspect that this isn’t good enough. You’re merely guessing >> that “on the next iteration of the run loop” is *after* the text field >> finished becoming first responder, but it may take time to get the text >> field into a state where its selection can be set. > > Yes I think that is the case. The following code works. > > [self performSelector:@selector(selectText:) withObject:self afterDelay:0.1]; > > >> I’d suggest you try selecting the text in a delegate method >> (textDidBeginEditing or controlTextDidBeginEditing) instead. > > The delegate methods textDidBeginEditing: and controlTextDidBeginEditing: are > not called when clicking into the view. They are called when the first edit > is actually attempted. So that did not work. > > > In fiddling around with afterDelay: values this is what I found. > > afterDelay:0.01 // This did not work. Text not selected. > > afterDelay:0.02 // This works. Text is selected. > > afterDelay:0.1 // This works. Text is selected. > > afterDelay:1.0 // This works but the delay is too long. > > So do you think I am safe using this call. > > [self performSelector:@selector(selectText:) withObject:self afterDelay:0.1];
No. Almost any time you have a delayed perform in your code, you’re doing something a bit dubious, and you’ve just wandered into proper dodgy territory, where your code is guaranteed to be unreliable. _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
