After posting I found a Carbon function GetCurrentButtonState;
I call this in my slider action method and if the mouse is up I do my
clean up and return otherwise I do the live slider action.
Seems to work just fine.
Am I OK with this?
-koko
On Dec 16, 2010, at 3:54 PM, Ken Ferry wrote:
Hi Koko,
On Thu, Dec 16, 2010 at 2:37 PM, <k...@highrolls.net> wrote:
What is the preferred way of receiving an action when the mouse is
released in an NSSlider?
The preferred thing is not to do precisely that. It's to have the
action method use, say, -performSelector:withObject:afterDelay: and
+ cancelPreviousPerformRequestsWithTarget:selector:object: to
schedule expensive work that cannot be performed too often.
A couple things to note:
(1) Users using full keyboard access or accessibility are not using
the mouse, so no mouse up.
(2) According to Apple's human interface group, it is highly
desirable that changes made with sliders be live whenever possible.
If something is too expensive to do completely live, you still
shouldn't wait for mouseUp: to produce the 'real' effect, just avoid
doing it every single time the user twitches.
-Ken
Cocoa Frameworks
-koko
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