firing mouseEnter msg of an Image control which was painted

Scott Rossi scott at tactilemedia.com
Mon Feb 2 19:34:58 CET 2015


Right.  The unfilled region of a partially painted image should be nonresponsive to mouse messages.  This is how one can can create irregular/organic hit regions for the image or another control.  But in terms of a completely erased image versus its text set to empty, there may be something there.

Regards,

Scott Rossi 
Creative Director 
Tactile Media, UX/UI Design 

On Feb 2, 2015, at 10:29 AM, J. Landman Gay <jacque at hyperactivesw.com> wrote:

> It is intentional, and I believe the behavior was changed to allow this some time ago after many requests.  In almost all cases, you only want messages sent over the "active" part of the image.  The exceptions are rare.
> 
> On February 2, 2015 11:11:24 AM CST, dunbarx at aol.com wrote:
>> This is too much. It is a bug. Though an interesting feature might be
>> the addition of new messages, something like "paintEnter" or
>> "paintWithin". But these should always be either nonexistent, or
>> separate from the enclosing image.
>> 
>> 
>> Anyway, I posted earlier that even if you erase all the paint that you
>> once placed inside, the message lockout persists in the image. This to
>> me is a source of wonder and irritation. It should not be permitted
>> that an "overlay" of paint changes the properties of the object over
>> which it lies. No other object sandwich works that way, or ought to.
>> 
>> 
>> Craig
>> 
>> 
>> 
>> -----Original Message-----
>> From: Bernard Devlin <bdrunrev at gmail.com>
>> To: How to use LiveCode <use-livecode at lists.runrev.com>
>> Sent: Mon, Feb 2, 2015 10:55 am
>> Subject: Re: firing mouseEnter msg of an Image control which was
>> painted
>> 
>> 
>> Putting a mouseWithin handler within the image shows that this message
>> too
>> is not fired, unless the mouse pointer is over a painted area.  Again,
>> once
>> the image is selected, then mouseWithin is sent even when the pointer
>> is
>> over a non-painted area.
>> 
>> Bernard
>> 
>> On Mon, Feb 2, 2015 at 3:10 PM, Bernard Devlin <bdrunrev at gmail.com>
>> wrote:
>> 
>>> And another oddity:
>>> 
>>> once a painted image control is selected, then mouseEnter is fired
>> upon
>>> entering the rect of the control.
>>> 
>>> Bernard
>>> 
>>> 
>>> 
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> 
> -- 
> Jacqueline Landman Gay         |     jacque at hyperactivesw.com
> HyperActive Software           |     http://www.hyperactivesw.com
> 
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