mouse events, active tool

> Bart,
>
> I agree with your evaluation of how mouse handling should be done. As
> part of fixing the _javascript_ performance issue (by restricting mouse
> events to the map image), I will also try to accomodate your request to
> not interpret the right mouse button as an action button.
>
> For the navigation commands, there are a couple of known issues. One is
>
> that the mouse click handling is fairly promiscuous, so if you have a
> select box that overlaps the map image and you select an item in the
> list, then a mouse click is generated on the map too.
>
> I am hoping to fix this particular problem within the same mechanism, by
>
>   only connecting to mouse click events when the mouse is actually over
> the map, but I may have to do something along the lines you suggest to
> ensure that activating another tool doesn't cause some navigation
> effect.
>
> The problem with this is that selecting something from the quickzoom or
> some other input on the page should not really cancel the fact that you
> have the zoom in tool selected, for instance.
>
> Thanks for all the great input,
>
> Cheers,
>
> Paul
>
> Bart van den Eijnden wrote:
> > Hi list,
> >
> > I want to address 2 issues in this e-mail, which are slightly related.
> >
> > First of all I have noticed that the navigational tools work with all
> > mouse buttons, i.e. also when pressing the right mouse button the map
> > zooms in etc. This complicates things when a user wants to save the
> map
> > image using the "save image as" browser functionality. Chameleon will
> > act on the active navigational command, instead of presenting the
> > browser popup menu. Also there is no way to clear the active
> > navigational tool as far as I have noticed. You can change it by
> > clicking on another navigational tool, but not "clear" it.
> >
> > Secondly, a previously noted issue came to my mind, the problem when a
>
> > user selects an item from the locations picklist (quickview), that
> > Chameleon also processes according to the current/active navigational
> > command. E.g. if the Query tool is the active tool, you also get the
> > Query results presented when selecting a location to zoom to. BTW I
> > don't know for sure if the Query tool also works through the NAV_CMD
> > variable.
> >
> > In my opinion, some of this behaviour could be corrected by:
> >
> > a) do not let navigational tools work on a right mouse button press
> > b) when selecting/using another widget, put the NAV_CMD to an empty
> > string, so that there is no active navigational tool on the map. E.g.
> on
> > the OnEnter event of the select box of the quickview, set NAV_CMD to
> an
> > empty string.
> >
> > Any thoughts on this?
> >
> > Best regards,
> > Bart
> > _______________________________________________
> > Chameleon mailing list
> > Chameleon (at) lists.maptools.org
> > http://lists.maptools.org/mailman/listinfo/chameleon
> >
>
> --
>   -----------------------------------------------------------------
> |Paul Spencer                           spencer (at) dmsolutions.ca    |
> |-----------------------------------------------------------------|
> |Applications & Software Development                              |
> |DM Solutions Group Inc                 http://www.dmsolutions.ca/|
> <http://www.dmsolutions.ca/%7C>
>   -----------------------------------------------------------------
>
>
>
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