[sldev] [VIEWER] Bug/inefficiency in mouse-handling in
LLScrollLIstCtrl and other GUI classes?
Lawson English
lenglish5 at cox.net
Tue Sep 18 11:43:43 PDT 2007
Lawson English wrote:
> I've been trying to implement my baby hierarchy/outline list class and
> I found that "handleClick" to scroll list cells didn't pass the
> x,y,mask values to the cell. This is required in order to do things
> like drop-down folder arrow-icons, or edit-text-in-place cells, so I
> added the parameters in in the relevant places and dumped the x/y
> values to the debug console.
>
> The result suggests that handleClick is called over and over again on
> a single click, even though only one x/y value is passed down the
> line. This is inefficient, and probably reduces framerate, and
> possibly has other side-effects as well. The shortest click I could
> manage called handleClick 9 times.
I am confused about this though. if handleClick is called multiple
times, it should cause things like LLScrollListCheck::handleClick
to be called multiple times which should set/reset checkboxes over and over.
Testing...
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