[opensource-dev] Camera UI in Second Life beta viewer is broken

Tateru Nino tateru.nino at gmail.com
Sun Nov 20 15:28:35 PST 2011

The essential bug is that the elements *are* completely covered when
this occurs, but when the mouse-position is matched to an on-screen
element, it ends up matching the wrong thing in the stack. Sometimes.
Under conditions which seem obscure and difficult to reproduce.

And it may match pointing (for tooltips) differently to clicking (for UI

On 21/11/2011 8:33 AM, Nexii Malthus wrote:
> That happens because the clicks work by going down a hierarchy, it
> goes down the window backgrounds first, then works through the
> children UI elements of that window, passing around the click message
> until it hits the lowest level.
> When you click outside the windows it passes through to the 3D world.
> Even if visually there is a button.
> The problem being that the window *must* cover all the child elements
> properly.
> - Nexii
> On Sun, Nov 20, 2011 at 5:43 AM, Tateru Nino <tateru.nino at gmail.com
> <mailto:tateru.nino at gmail.com>> wrote:
>     On 20/11/2011 2:26 PM, Laurent Bechir wrote:
>>     I did the refresh. The problem is not there. The problem is that
>>     when I click on a button (Save, Cancel, or another) the viewer
>>     react like if I was clicking behind it. For example, if the
>>     background of the picture window is the ground, clicking on a
>>     button is going to make move my avatar instead of the action the
>>     button is supposed to do. The is a turnaround for such buttons as
>>     Save to my inventory which consist on clicking on the part which
>>     is above the sidebar. But since Save and Cancel buttons are not
>>     above this part, they are unusable. I hope I'm more clear :)
>     Ahhh, I've seen this problem before! On a number of occasions, in
>     fact.
>     It first started manifesting in the UI code in ... I think it was
>     viewer 1.9 (or perhaps the release before it). It's come and gone
>     on several, but never really been _fixed_ because nobody seems to
>     quite ever figure out what causes it. It also was associated with
>     tooltips being triggered from floaters below the topmost floater.
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