Using LiveCode & AppleScript to make mouse selection in another Mac application

[Ben Rubinstein]

Hi Tom and Martin,

Thanks for the responses. That's where I'm at the moment; the problem is that 
I AFAICT I can click at a position using System Events; but I can't click at 
one location and release at another. The issue is that I'm trying to make a 
rectangular selection, encompassing a number of elements; rather than trying 
to select an actual element.

This is actually to crop each page of a many page PDF, using the rectangular 
selection tool in either Preview or PDFpen. (AFAICT ImageMagick is no good 
because it rasterises PDF pages before cropping them, whereas I want to retain 
  all the PDF fidelity goodness, but just mask each page.)

I can click: but I can't mouse down in one location, and release it in another.

Ben

On 05/09/2019 20:59, Tom Glod via use-livecode wrote:
> I dunno if this works.... but you can try
> 
> do myscript as "Applescript"
> 
> abd your myscript can be
> 
> tell application "System Events"
>    click at {123,456}end tell
> 
> I'm currently working on debugging a tool that uses applescript to
> send keystrokes..and i'm finding it inconsistent ...but it could just
> be me, so for now I won't say that its the applescript functionality.
> 
> 
> 
> 
> 
> On Thu, Sep 5, 2019 at 2:38 PM Ben Rubinstein via use-livecode <
> use-livecode at lists.runrev.com> wrote:
> 
>> As the title says...
>>
>> I had a recollection that it was possible to construct a tool in LiveCode
>> that
>> would use AppleScript, System Events, and the accessibility framework to
>> perform actions on another (not naturally scriptable) app.
>>
>> I can do menu items, I can do keystrokes - but can I move the mouse? Or
>> more
>> to the point, can I move the mouse to a location, then click and drag to a
>> new
>> location?
>>
>> Automator appears to be able to do this as a recording, which works once
>> as a
>> single step - but ever since hangs on playback (amusingly, it moves the
>> mouse
>> to the first point and then refuses to let it be moved anywhere else -
>> pulling
>> it back if it is - the only escape seems to be to use the keyboard to open
>> a
>> terminal and kill Automator).
>>
>> Did I dream this, or is it possible?
>>
>> TIA,
>>
>> Ben
>>
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