[Javascript] "Multiple" Select controls and popup objects.

[Hakan Magnusson]

> This is a win/ie5.5+ issue only so anyone offended by that can switch 
> off now if they like ;)

I'm hit! I'm hit! ;)

Ok, I know I've been rambling far too much on how I feel about That 
Browser, but this is a known issue (if I understood you correctly). My 
guess is that Internet Explorer is using some operating system widgets 
for the form elements, since dragging/scrolling/clipping form elements 
(the select box is the most "famous") often "tears through" and floats 
above other elements.

If there's a solution for this rendering problem then it is beyond my 
knowledge. I've always made DHTML-dropdowns instead of using the built 
in select tag whenever I need it.

Kind regards,
H

Matt Barton wrote:
> Hi,
>  
> This is a win/ie5.5+ issue only so anyone offended by that can switch 
> off now if they like ;)
>  
> I have a menu system in my app which lives inside a popup object [i.e. 
> window.createPopup()] which has been behaving just fine for months.  
> However today I noticed an odd quirk which I can't explain, let alone 
> work around.
>  
> When the popup menu appears it covers a set of html frames which can 
> each contain a variety of html controls.  When one of the controls 
> covered by the popup is a <select multiple="true"> control then when 
> moving the mouse over the popup I can see the multiple select underneath 
> flickering, as if the popup is disapearing then being redrawn very very 
> quickly.  It seems to be when the mouse moves over the borders of table 
> cells on the popup.  There's no onMouseMove, onMouseOver or 
> onMouseOut events defined anywhere and there's no problem with any other 
> kind of control (even <select> controls which aren't "multiple").
>  
> Anyone hazard any ideas? It the moment I'm putting it down to (yet 
> another) unspecific vagary of how IE handles (or not) select controls.  
> This is rapidly becoming my favourite pet hate... grrr.
>  
> Cheers,
>  
> Matt
> 
> 
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