Reverting most pressing bug: button flashing - mouse wheel zooming breaks

[Stephan Bergmann]

On 28/10/2019 18:11, Justin Luth wrote:
> There has been a "most pressing bug" in the ESC minutes for months 
> without any noticeable developer investigation happening.
> 
>   + button flashing - mouse wheel zooming breaks
> 
>      + https://bugs.documentfoundation.org/show_bug.cgi?id=121963
> 
>      + Armin ?
> 
>      + 21 duplicate
> 
>      + even just identifying the problematic part of the commit would be 
> helpful (Xisco)
> 
> 
> The patch causing this bug has it's own meta-bug report in fact. 
> https://bugs.documentfoundation.org/show_bug.cgi?id=128256
> 
> Since there is nobody interested in actually fixing the regressions, 
> today I attempted to simply revert it for the 6.3 branch 
> (https://gerrit.libreoffice.org/81605). That wasn't too hard to do. The 
> biggest concern of course is how many other patches have landed in the 
> past year that depend on this patch. Unit tests suggest NONE, Since no 
> one was willing to fix any of the bugs, do we have any choice except to 
> revert?  The next step is to revert from master unless someone is 
> willing to take responsibility for this patch for LO 6.4.

This appears to be mostly under control now?

<https://bugs.documentfoundation.org/show_bug.cgi?id=121963> "button 
flashing - mouse wheel zooming breaks" has been marked RESOLVED FIXED 
and <https://gerrit.libreoffice.org/#/c/81605/> "Revert 'Refactor calc 
non-linear ViewToDevice transform'" has been abandoned.

The only open bug listed at 
<https://bugs.documentfoundation.org/show_bug.cgi?id=128256> 
"(ViewToDevice-Refactor) - [META] Regressions introduced by Refactor 
calc non-linear ViewToDevice transform" is 
<https://bugs.documentfoundation.org/show_bug.cgi?id=127910> "main menu 
and context menus empty when using form elements and OpenGL".