list field question

jbv jbv at souslelogo.com
Sun Aug 14 11:32:17 EDT 2016


Mike
Thanks for the effort, but I need something simpler.
Your suggestion with mousedown/mouseline already crossed my mind,
but I was wondering if there was a property or something similar...
For instance, this would be very handy :
   disable line 2 of fld "listField"

Best,
jbv

On Sun, August 14, 2016 4:21 pm, Mike Bonner wrote:
> I just tried a quick and dirty method, not fully fleshed but it might do
> what you need to if you can work out all the positioning..
>
> I made a list field with enough entries to require scroll, then I made
> some graphic rectangles and lined them up with the lines I want to
> disable. Added 1 extra grc, then grouped them.
> Size the group to cover the field with the blocking graphics in the right
> position, then.. "set the top of grc "bottomMarker" to the top of group
> "maskgroup" + the formattedheight of field "myField"
> This causes the group to have the ability to scroll. (I actually think
> Ineed to add the height of the graphic also, but since I have the
> horizontal scrollbar turned on it just covers it up when I scroll to the
> max)
>
> Then, in the script for the field a simple "set the vscroll of group
> "maskGroup" to the vscroll of me makes them stay in sync, and moves the
> blocking rects along with the lines I wish to block.
>
> There are issues not worked out yet, such as.. If using a scroll wheel to
>  adjust the field, when the mouse is over a blocked line the scrolling
> stops. How to line up the blocking lines dynamically (though i'm sure
> theres already math out there to do this so that a blocking group can be
> dynamically generated
>
> Of course, there is probably a way to catch the mousedown and choose to
> ignore it based on the mouseline, which would be much easier.
>
> On Sun, Aug 14, 2016 at 7:06 AM, jbv <jbv at souslelogo.com> wrote:
>
>
>> Hi list
>> When a field behaves as a list, is it possible to temporarily disable
>> certain lines of the field so that they aren't clickable nor selectable,
>>  while other lines remain selectable ? If yes, which property should I
>> use ? I have searched the dictionary but to no avail...
>> Thanks in advance.
>> jbv
>>
>>
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