Re: Disabled button looks like enabled
Re: Disabled button looks like enabled
- Subject: Re: Disabled button looks like enabled
- From: Andy Lee <email@hidden>
- Date: Mon, 12 Jan 2009 14:08:30 -0500
But it will still visually respond to mouse clicks, which is not
desired, in my interpretation of the problem statement. [[theButton
cell] setHighlightsBy:NSNoCellMask] presumably takes care of that --
but then the user might still be able to select the button by tabbing
to it.
If a single NSButton is used, I think the easiest thing is to disable
it and then override its drawing behavior, as I. Savant suggested.
But it depends on the context of what the application is trying to
do. If the application displays a screenful of different fake UI
components (for example, as a sort of "mockup," as I.S. posited), it
would be impractical to have a subclass for every control/cell. In
that case, some sort of offscreen drawing makes sense -- draw the
whole window/view offscreen, not even bothering to disable the
controls, and blit it to the real window.
--Andy
On Jan 12, 2009, at 1:35 PM, Dave DeLong wrote:
So what you're saying is you want a button that doesn't do
anything? In that case, just don't hook the button's action up to
anything...
Dave
Sent from my iPod
On Jan 12, 2009, at 11:32 AM, Donnie Lee <email@hidden> wrote:
That's not better than my way. I never need to handle events from
this button.
On Mon, Jan 12, 2009 at 9:28 PM, Dave DeLong <email@hidden>
wrote:
Then simply subclass NSButton, add an ivar called fakeEnabled,
then override
the mouseDown and mouseUp events to do the following:
...
Do the same for mouseUp, and just have a getter and setter for
fakeEnabled.
Voilà: a button that always looks enabled but can be set to
respond only
part of the time.
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