[Bug 14749] riched20: Fix vertical scrolling

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=14749





--- Comment #7 from Andrew O. Shadoura (I DO NOT USE COMPIZ) <bugzilla at tut.by>  2008-08-04 13:35:18 ---
(In reply to comment #6)
> Hello, I am the author of the patch mentioned as causing the (possible)
> regression. 

Greetings :-)

> Could the reporter please state which particular app exposed the bug? Do you
> have a download link?

The first was Miranda IM with SRMM messaging module. Second was winehelp from
WINE.

> Can you provide a testcase? Do current testcases
> still succeed with the proposed fix applied?

Not sure about testcases, but:
1) with SRMM, when you turn on option "show last N messages", if length of
backlog is less than page, richedit looks as if it was empty, but I can scroll
up and see the text.
2) with WINE winhelp, open any .hlp, open any page with length less than
vertical screen page size. Then try to scroll up using wheel. Got it? :-)

And again about test cases. Not sure if this right, but I think that when
nPage>nMax, nPos should be 0. Didn't test it yet, so no guarantees about it.


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