Bug 118855 - Black Box or UI glitch appearing when maximizing a window from Taskbar in WIndows 10
Summary: Black Box or UI glitch appearing when maximizing a window from Taskbar in WIn...
Status: RESOLVED INSUFFICIENTDATA
Alias: None
Product: LibreOffice
Classification: Unclassified
Component: LibreOffice (show other bugs)
Version:
(earliest affected)
6.1.0.2 rc
Hardware: All Windows (All)
: medium trivial
Assignee: Not Assigned
URL:
Whiteboard:
Keywords:
Depends on:
Blocks: Desktop-Integration Maximized-Window
  Show dependency treegraph
 
Reported: 2018-07-20 12:40 UTC by revsamtp
Modified: 2019-07-05 02:46 UTC (History)
4 users (show)

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Crash report or crash signature:
Regression By:


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Description revsamtp 2018-07-20 12:40:11 UTC
Description:
Don't know if this issue has already been reported, but when you minimize a word document and maximize it from the taskbar in windows 10 a black block or rectangle quickly appears and then disappears. Its highly noticeable in LibreOffice writer and it is also present in Libre Office Drawing. 

But the problem does not occur when opening Libre Office 6.1 , the main interface.

Version: 6.1.0.1 (x64)
Build ID: 378e26bd4f22a135cef5fa17afd5d4171d8da21a
CPU threads: 4; OS: Windows 10.0; UI render: default; 
Locale: en-IN (en_IN); Calc: CL


Steps to Reproduce:
1.Open any word document or drawing document
2.Minimzie the window
3.Open the window by pressing the Libreoffice writing icon

Actual Results:
You will notice a black rectangle or a box appearing which uickly disappears

Expected Results:
The software should have shown or rendered{wrong wording} the document without showing the black box


Reproducible: Always


User Profile Reset: No



Additional Info:
[Information automatically included from LibreOffice]
Version: 6.1.0.1 (x64)
Build ID: 378e26bd4f22a135cef5fa17afd5d4171d8da21a
CPU threads: 4; OS: Windows 10.0; UI render: default; 
Locale: en-IN (en_IN); Calc: CL
Locale: en-US
Module: TextDocument
[Information guessed from browser]
OS: Windows 10
OS is 64bit: yes
Comment 1 Joao Farias 2018-08-07 20:34:02 UTC
Reproducible on the following components:

- Writer
- Calc
- Impress
- Drawing

NOT reproducible on the following components:

- Main interface
- Math
- Base Database

Reducing importance to TRIVIAL.

Version: 6.1.0.2 (x64)
Build ID: b3972dcf1284967612d5ee04fea9d15bcf0cc106
CPU threads: 4; OS: Windows 10.0; UI render: default; 
Locale: en-US (en_US); Calc: group threaded
Comment 2 Xisco Faulí 2018-08-10 11:38:24 UTC
Does it work if you enable OpenGl ? -> https://wiki.documentfoundation.org/OpenGL
Comment 3 revsamtp 2018-09-22 16:09:03 UTC
(In reply to Joao Farias from comment #1)
> Reproducible on the following components:
> 
> - Writer
> - Calc
> - Impress
> - Drawing
> 
> NOT reproducible on the following components:
> 
> - Main interface
> - Math
> - Base Database
> 
> Reducing importance to TRIVIAL.
> 
> Version: 6.1.0.2 (x64)
> Build ID: b3972dcf1284967612d5ee04fea9d15bcf0cc106
> CPU threads: 4; OS: Windows 10.0; UI render: default; 
> Locale: en-US (en_US); Calc: group threaded

Please do know that this problem still persist on libreoffice Version: 6.1.1.2 (x64)
Build ID: 5d19a1bfa650b796764388cd8b33a5af1f5baa1b
CPU threads: 4; OS: Windows 10.0; UI render: default; 
Locale: en-IN (en_IN); Calc: CL
Comment 4 V Stuart Foote 2018-11-25 17:07:14 UTC
Hmm, isn't the "black box" appearing the Windows 10 taskbar "preview" of a document frame. Delay is 0, so it will always start on mouse over. And if rather than clicking to maximize/reopen, you rest mouse over the taskbar jump list icon--the preview should fully form. The shape of the preview/"black box" will mirror the proportion of the application frame.

If you prefer to disable the preview, set a Windows registry value for "ExtendedUIHoverTime" to delay its launch.

DWORD 32 in HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced, values in miliseconds.


Please give that a go, and close this if that corrects the issue.
Comment 5 Xisco Faulí 2018-12-05 10:17:03 UTC
Hi revsamtp@hotmail.com,
any update regarding comment 4 ?
Comment 6 QA Administrators 2019-06-04 02:51:08 UTC Comment hidden (obsolete)
Comment 7 QA Administrators 2019-07-05 02:46:17 UTC
Dear revsamtp,

Please read this message in its entirety before proceeding.

Your bug report is being closed as INSUFFICIENTDATA due to inactivity and
a lack of information which is needed in order to accurately
reproduce and confirm the problem. We encourage you to retest
your bug against the latest release. If the issue is still
present in the latest stable release, we need the following
information (please ignore any that you've already provided):

a) Provide details of your system including your operating
   system and the latest version of LibreOffice that you have
   confirmed the bug to be present

b) Provide easy to reproduce steps – the simpler the better

c) Provide any test case(s) which will help us confirm the problem

d) Provide screenshots of the problem if you think it might help

e) Read all comments and provide any requested information

Once all of this is done, please set the bug back to UNCONFIRMED
and we will attempt to reproduce the issue. Please do not:

a) respond via email 

b) update the version field in the bug or any of the other details
   on the top section of our bug tracker

Warm Regards,
QA Team

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