riched20: fixes and additional conformance tests for EM_EXSETSEL

[Lei Zhang]

No, your patch does not pass my tests, and it triggers the crash in bug 6814.

I will move the code I wrote into ME_SetSelection and resubmit the patch.

On 12/3/06, Matt Finnicum <mattfinn at gmail.com> wrote:
> Hey,
> I'm sorry for not noticing this bug earlier - I have a bad habit of
> only browsing bugs listed under wine-richedit. I actually sent in a
> patch that fixes this bug before, but it wasn't accepted because I
> hadn't marked a test that it causes to fail as todo_wine. Does the
> attached patch solve your problem?
>
> The attached patch moves all the logic to ME_SetSelection, so it'll
> apply to EM_SETSEL as well as EM_EXSETSEL (they both are supposed to
> follow the same special cases), and this way it will contribute to my
> further separating functionality from the message handlers into ME_
> local functions which is needed to properly implement windowless
> controls.
>
> This patch does result in a wrong return if the user sent a
> SetSelection beyond the end of the document (windows allows you to
> select an imaginary character at the end), but I don't think that's a
> problem for anything, and I'll have it working in a couple weeks (I'm
> working on improving the selection code in general, a part of which
> will allow you to actually select that extra character in our
> richedit). I suppose i could just put a small hack in for the
> meantime, if anyone cares.
>
> I haven't tried them together yet, but your new tests do look
> significantly more comprehensive - well done.
>
> --Matt
>
> On 12/3/06, Lei Zhang <thestig at google.com> wrote:
> > Hi,
> >
> > Changelog:
> > * Check the input to EM_EXSETSEL
> > * Fixes bug 6814
> > * Added more comprehensive conformance tests for EM_EXSETSEL
> >
> >  editor.c       |   52 +++++++++++++++++++++---
> >  tests/editor.c |  103 +++++++++++++++++++++++++++++++------------------
> >  2 files changed, 112 insertions(+), 43 deletions(-)
> >
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