[Libreoffice-bugs] [Bug 132267] New: Scrollers for long menus are not shown / black

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=132267

            Bug ID: 132267
           Summary: Scrollers for long menus are not shown / black
           Product: LibreOffice
           Version: 6.3.0.4 release
          Hardware: All
                OS: Windows (All)
            Status: UNCONFIRMED
          Keywords: bibisected, bisected, regression
          Severity: normal
          Priority: medium
         Component: graphics stack
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: baron at caesar.elte.hu

Created attachment 159746
  --> https://bugs.documentfoundation.org/attachment.cgi?id=159746&action=edit
Screenshot in 7.0 master build

The following bug is Windows-specific.

When an opened menu is too long, and doesn't fit, scrollers appear on
top/bottom.
In the past this could be reproduced by making the window shorter, and moving
to the bottom of the screen, but recently LO's become smart, and moves the open
menu next to the item to fit, and no scrolling is needed. These days the bug
can be reproduced by switching to 150% scaling (on a "normal" sized screen with
full HD resolution or less).

Until 6.2.0.3 the scrollers appeared fine.
>From 6.3.0.4 the icons have disappeared.
Recently in 7.0.0.0.alpha0+ (bf536201ae83e7ca6a565eb8ff0dbc0e4e887d64),
possibly due to Skia, black rectangles are shown instead.

Bibisected the disappearing of the scrollers to the 6.2 backport of the
following commit using repo bibisect-win32-6.2. Adding CC: to Miklos Vajna.
https://cgit.freedesktop.org/libreoffice/core/commit/?id=c04169c586ef1d55b1d0ac469bb4fbd4f50bd08a
author          Miklos Vajna <vmiklos at collabora.com>    2019-05-21 17:45:05
+0200
committer       Miklos Vajna <vmiklos at collabora.com>    2019-05-21 23:59:28
+0200

"tdf#125415 vcl menu floating window: avoid flicker"

Not sure if knowing where the rectangles turned black is important, I'm
guessing fixing the original issue corrects that as well.

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