Segmented Control widget mouseDown

Richmond Mathewson richmondmathewson at gmail.com
Wed May 2 04:03:47 EDT 2018


I was fiddling around with this at the weekend trying to work out how it 
worked,
and was surprised by the lack of mouseDown/Up as well.

Richmond.

On 2/5/2018 8:16 am, Andrew Bell via use-livecode wrote:
> (apologies, this was initially sent to the wrong email)
>
> Is there any way to capture mouseDown/Up on a Segmented Control 
> widget? hiliteChanged is the only message that is documented or shows 
> up in the Script Editor and standard mouseDown/Up handlers aren't 
> acknowledged. Am I missing something or does this need to be enabled 
> first in LCB and then passed to LC?
>
> I tried putting a mouseDown/Up on the widget and it doesn't trigger. I 
> tried putting the widget in a group by itself (a trick I learned so I 
> could put Effects on widgets) and applying the mouseDown/Up script to 
> the group and it doesn't trigger. I add another object to that group 
> and when I click on that other object the group script finally 
> triggers, but not when clicking on the widget.
>
> My problem is that I can't find a way to determine if the item of the 
> Segmented Control that was clicked was already the current 
> hilitedItem. I know I can toggle the hilite, but I just want to know 
> if the current "active" item has been clicked again.
>
> My goal is to replace 3 buttons that I use to sort a dataGrid by 3 
> different filters. Currently I have the buttons scripted to act like a 
> group of radio buttons (but they are standard buttons for easier 
> skinning) and realize if they are the "active" button and toggle 
> sorting by descending/ascending for that filter (the iconPresetName of 
> a SVG widget is also toggled at this time to indicate the sort 
> direction).
>
> --Andrew Bell
>
>
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