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

[Chris T]

All I've ever been able to successfully do is just set the visibility
property of all form elements. I don't like that at all as the background
seems to flicker.


----- Original Message ----- 
From: "Hakan Magnusson" <hakan at backbase.com>
To: "[JavaScript List]" <javascript at LaTech.edu>
Sent: Thursday, April 22, 2004 7:07 AM
Subject: Re: [Javascript] "Multiple" Select controls and popup objects.


> > 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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