Re: Aligning baseline of NS controls
Re: Aligning baseline of NS controls
- Subject: Re: Aligning baseline of NS controls
- From: Keary Suska <email@hidden>
- Date: Thu, 10 Jul 2014 08:03:40 -0600
On Jul 10, 2014, at 2:02 AM, Aandi Inston wrote:
> I am porting a library for dynamic dialog creation to Cocoa.
> The implementation is using various standard controls such as
> NSTextField and NSButton. I have a question.
>
> Suppose a dialog is to contain a line with multiple controls like
>
> [ ] Add ________ seconds [before/after]
>
> Here
> [ ] Add is a check box
> _____ is an editable text field
> seconds is a noneditable text field
> [before/after] is a popup button
>
> Each of these controls contains text, and the aim here is to align the text
> so it does not jump up and down - to align the text baseline. If the top of
> the controls, or the bottom of the controls, are aligned then the text
> itself will not be aligned.
>
> Two possibilities suggest themselves
> - fixed constants, based on experiments (which will perhaps go awry if the
> system configuration changes)
> - work out the height of each of these controls, assume padding is equal
> top and bottom, and adjust alignment by half of the difference (this is an
> attractive idea, but I note in a single experiment that the height of
> noneditable text was 16 while editable text was 21, a difference of 2.5
> pixels which is awkward).
>
> Is there a better way to do this? I imagine it's a problem faced before.
Umm, Auto Layout? You can easily align elements by baseline...
HTH,
Keary Suska
Esoteritech, Inc.
"Demystifying technology for your home or business"
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