[softwarelist] Re: OPW setting tabs
- From: andy.ling@xxxxxxxxxxx
- To: davidpilling@xxxxxxxxxxxxx
- Date: Thu, 19 Aug 2010 10:51:22 +0100
David Pilling wrote on 18/08/2010 21:40:25:
> In message
> <OFCA64A042.1137BC30-ON80257783.003337E7-80257783.00337CB0@xxxxxxxxxxx>,
> andy.ling@xxxxxxxxxxx writes
> >Reproducing the problem is halfway to fixing it ;^) I wont
>
> The rulers problem gives some insight. My best guess is something like
> this. On RISC OS you can ask what is the scroll position of a window,
> it's not quite so simple on Windows.
>
snip...
> I'm inclined to drag the author of TXMouse into proceedings, firstly why
> doesn't it ignore windows you've told it to ignore. Then maybe the above
> will mean something to them.
>
I suppose there are other things it does to windows apart from the cut
and paste stuff. Things like the right click to "lower" a window. So
maybe it can't completely ignore them.
I've sent an exploratory email to a likely looking address in the hope
someone is still listening. Otherwise, contact has to be by postcard
and there's no guarantee the author is still there.
> My explanation above does not quite ring true, firstly if you start
> looking at memory you've not been allocated it is likely things will go
> bang, secondly quiting TXMouse seems to put things back to rights. Guess
> would be that TXMouse sticks its own memory on each window, and restores
> the previous value when quit, and that the memory is common.
>
If this sort of thing is "legal" I would have thought there should be
some way of getting hold of "your" pointer when it has been hi-jacked.
I don't know much about Windows, but presumably TXMouse is intercepting
some events. If it has to pass events on, maybe it is supposed to
"restore" the pointer before it does.
> I suppose I had no reason to use this Windows facility, I could have
> mapped handles to allocated memory myself. Take anything from MS and you
> will pay for it later.
>
Lots of things we'd do differently in hindsight.
Thanks for spending the time on this.
Andy Ling
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