Set delay for tooltips

[James Nordgaard]

In adding tooltips for byways, I implemented a timer to delay the display of the tooltips of 140ms to prevent a blizzard of flashing tooltips when moving the mouse quickly across the map. In the code review Fernando suggested we set the tooltip delay gobally:

> - I wonder if we should change the tooltip display delay for all tooltips in
> Cyclopath. If we do, you could get rid of all the Timer code and simply change

> the showdelay property of the ToolTipManager. 140ms is also fast enough to not
> cause any problems in other parts of the code that use tooltips. You could send
> an email to the developer mailing list to see if anyone has any opinions on the

> matter.

I agree with this.

Comments?

Jim

[Michael Ludwig]

It seems like a global change would simplify the code a lot. If 140ms
works in the other areas of the UI (I don't know what the default
delay is), the only question we have to answer is whether or not a
single tooltip time is a good thing for things in the map and the side
panels. I think it is, so I'd suggest trying it out and seeing what
the UI feels like.

Thanks,
Michael

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[Reid Priedhorsky]

On 03/24/2010 11:46 AM, Michael Ludwig wrote:
>
> It seems like a global change would simplify the code a lot. If 140ms
> works in the other areas of the UI (I don't know what the default
> delay is), the only question we have to answer is whether or not a
> single tooltip time is a good thing for things in the map and the side
> panels. I think it is, so I'd suggest trying it out and seeing what
> the UI feels like.

Two comments:

1. I think this feature should be configurable, and perhaps turned off
by default, to avoid overwhelming new users.

2. What's the current tooltip delay time? I assume 140ms is shorter -
how was this time obtained? What's the reasoning for making it shorter?

Reid

[Fernando Torre]

Hmm, that's true. The default delay is 500ms. It feels like a lot less though. Try moving the mouse over a point a couple of times. The tooltip appears almost instantaneously. This instantaneous behavior is really annoying for byway tooltips. When Jim implemented it as a timer, 140ms actually seemed to give it a reasonable delay, but it seems that 140ms in the timer are not the same as 140ms in the actual tooltip delay.

Fernando

[James Nordgaard]

The tooltip on map features is instantaneous, for everything else it's 500ms. I can't find where it's set anywhere so I don't know why the difference. Can we set this by window?

[Michael Ludwig]

A good place to look would be in the documentation for ToolTipManager.
It has a parameter called showDelay that defaults to 500 ms. I will
need to examine the code again to check where points and regions get
their tooltips. It may be the case that they manually override the
default show time.

-Michael