[Bug 12311] Corman Lisp requires implementations for richedit stubs

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=12311


Alex Villacís Lasso <a_villacis at palosanto.com> changed:

           What    |Removed                     |Added
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  Attachment #13022|0                           |1
        is obsolete|                            |
  Attachment #13024|0                           |1
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  Attachment #13081|0                           |1
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--- Comment #8 from Alex Villacís Lasso <a_villacis at palosanto.com>  2008-06-30 16:05:57 ---
Created an attachment (id=14487)
 --> (http://bugs.winehq.org/attachment.cgi?id=14487)
richedit: do not read actual scrollbar state for scrollbar update, use internal
state instead

Previous patches were incorrect. The root cause of the bug is that native
ignores the current scroll range of the scrollbars, but builtin reads the
actual state of the bars. When the app forces visibility, the resulting WM_SIZE
does nothing to native, since it operates from some internal copy. Builtin
attempts to restore invisibility from text range, but then the app again forces
visibility, with the end result of a recursive message loop. Attached patch
fixes and tests for this behavior.


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