[Libreoffice-bugs] [Bug 122644] New: UI almost unresponsive, "buzzing" buttons, when opening attached spreadsheet (regression)

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=122644

            Bug ID: 122644
           Summary: UI almost unresponsive, "buzzing" buttons, when
                    opening attached spreadsheet (regression)
           Product: LibreOffice
           Version: 6.3.0.0.alpha0+ Master
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Calc
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: jim.avera at gmail.com

Description:
This started happening with latest master.  Did not happen a week ago, or with
6.2.

When the attached spreadsheet is opened, clicking in cells does not (usually)
move the black selection rectangle.  The row/column headers highlight as
expected, but the selection indicator stays stuck on the wrong cell.

Meanwhile, some of the buttons are "buzzing" (vibrating) as if being repeatedly
re-rendered at high frequency.

This occurs with macros disabled, so it can not (hopefully) be due to macro
code.

Steps to Reproduce:
1. Open attached spreadsheet (buzz.ods)
   Do NOT enable macros.
2. Open tab _PROTO (should already be open there)
3. Click in some empty cells, eg. G16 and nearby

Actual Results:
The cell is selected, but the black rectangle indicating that it is selected
does not appear, or appears on some other cell (stuck from it's previous
position).

The buttons in the upper left (labeled "MO, <EffPr", "B-W Net" etc.) are
vibrating rapidly.

Expected Results:
Selection working properly; buttons able to pass DUI tests.


Reproducible: Always


User Profile Reset: No



Additional Info:
New problem; does not happen with master from last week, or with 6.2.1

Version: 6.3.0.0.alpha0+
Build ID: 32b85ec64e5c901369ce3ce5dbda0e96f2ec7fc0
CPU threads: 12; OS: Linux 4.15; UI render: default; VCL: gtk3; 
TinderBox: Linux-rpm_deb-x86_64 at 86-TDF, Branch:master, Time:
2019-01-07_16:08:14
Locale: en-US (en_US.UTF-8); UI-Language: en-US
Calc: threaded

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