Re: is there a way to determine if an NSButton is toggleable ?
Re: is there a way to determine if an NSButton is toggleable ?
- Subject: Re: is there a way to determine if an NSButton is toggleable ?
- From: Uli Kusterer <email@hidden>
- Date: Thu, 23 Aug 2018 05:03:26 +0200
> On 20. Aug 2018, at 12:04, Guillaume Laurent <email@hidden>
> wrote:
>
> Hi all,
>
>
> For a custom UI I’ve had to write a custom control deriving from NSButton,
> which highlights itself in a special way on mouse-over. In the method which
> does the highlighting, I check if the button’s state is either .on or .off,
> so I know which title or alternateTitle to display. But I realized that, no
> matter the button's type, the state is always toggled on click. That is, even
> if the button’s type is set to MomentaryPushIn, the button’s state is toggled
> after a click. I’d have thought that this was the case only for
> OnOff/Toggle/Switch… types.
>
> Since there is no NSButton.type getter, is there a way to determine if the
> button’s type is toggleable or not ? And what is the reason for switching
> state for types like MomentaryPushIn ?
You want to look at the showsStateBy bit field. See:
http://orangejuiceliberationfront.com/building-a-custom-nsbutton/
Cheers,
-- Uli Kusterer
"The Witnesses of TeachText are everywhere..."
http://www.zathras.de
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