On Dec 30, 2009, at 11:43 AM, Gustavo Pizano wrote:
> Henry hi.
> You mean with the NEEvent method that returns the timestamp?... I was trying
> that also, and as far as I understood its the timestamp between the App
> startup and the event... so I dunno how this might help me... maybe I
> misunderstood the API doc?
>
> To clarify the original question, what I want to achieve is something similar
> to 10.6 dock, when you press the mouse on an icon, after a second or so, the
> menu appears. I dunno if this is what you understood.. I hope its better
> explained now. :P
Sorry I did not intend the thread to get into a deep discussion on the relative
merits
of how to do things, nor, as I said, to invalidate Fabian's idea.
I meant that rather than setting a timer and implementing a callback method and
remembering to invalidate the timer, and so on and so on, you can do something
like this (which took less time to implement than the time required to explain
it . . . ):
- (void)mouseDown:(NSEvent *)theEvent
{
NSLog(@"mouseDown");
[self setStartStamp: [theEvent timestamp]];
}
- (void)mouseUp:(NSEvent *)theEvent
{
NSLog(@"mouseUp");
NSTimeInterval endStamp = [theEvent timestamp];
NSLog(@"time difference = %.2f", endStamp - [self startStamp]);
}
where startStamp is an instance variable that records the timestamp on
mouse down.
Then on mouse up, you grab the timestamp of the mouseUp's event and take the
difference
between the two timestamps . .
Yes, the event's timestamp is the time since system startup (which I interpret
to mean the time
since last reboot), but that doesn't really matter --- all you're concerned
about is the
difference in time between mouse down and mouse up . . .
Interesting that I just recently implemented something like this for the iphone
for similar
reasons, namely, to decide whether to show the Cut/Copy/Paste menu . . .
Hope that clarifies what I meant.
Cheers,
. . . . . . . . Henry
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