Bug 139718 - Scrolling a sheet with marked column or row results in the colored / highlighted cells being drawn too slow
Summary: Scrolling a sheet with marked column or row results in the colored / highligh...
Status: RESOLVED WORKSFORME
Alias: None
Product: LibreOffice
Classification: Unclassified
Component: Calc (show other bugs)
Version:
(earliest affected)
6.4.7.2 release
Hardware: All All
: low minor
Assignee: Not Assigned
URL:
Whiteboard:
Keywords:
Depends on:
Blocks: Scrolling-Performance
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Reported: 2021-01-17 22:27 UTC by steve
Modified: 2023-01-28 13:13 UTC (History)
2 users (show)

See Also:
Crash report or crash signature:

Attachments
ui lag coloring highlighted cells when scrolling (542.04 KB, video/mp4)
2021-01-17 22:28 UTC, steve 		Details
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Description steve 2021-01-17 22:27:27 UTC 
Description:
Minor, low prio bug. Probably goes back a long time.



Steps to Reproduce:
1. open new calc file and mark any row or column
2. scroll
3. cells are painted to slow so that when scrolling, cells that should be highlighted are white and only colored with a delay

Actual Results:
Laggy coloring of highlighted cells

Expected Results:
No UI lag.


Reproducible: Always


User Profile Reset: No



Additional Info:
Version: 7.1.0.1
Build ID: b585d7d90ab863bf29b2d110c174c0c2a98f3ee4
CPU threads: 8; OS: Mac OS X 10.15.7; UI render: default; VCL: osx
Locale: en-US (en_DE.UTF-8); UI: en-US
Calc: threaded

Version: 6.4.7.2
Build ID: 639b8ac485750d5696d7590a72ef1b496725cfb5
CPU threads: 8; OS: Mac OS X 10.15.7; UI render: default; VCL: osx; 
Locale: en-US (en_DE.UTF-8); UI-Language: en-US
Calc: threaded
Comment 1 steve 2021-01-17 22:28:23 UTC 
Created attachment 168964 [details]
ui lag coloring highlighted cells when scrolling
Comment 2 m_a_riosv 2021-01-17 23:08:52 UTC 
Confirmed
Version: 7.2.0.0.alpha0+ (x64)
Build ID: 9f9798f07f0b56ae474f31ded671cc8da598d244
CPU threads: 4; OS: Windows 10.0 Build 21292; UI render: default; VCL: win
Locale: es-ES (es_ES); UI: en-US
Calc: CL
Comment 3 steve 2023-01-28 13:13:28 UTC 
This has improved in 7.6 main build. There is a flicker at the bottom cells when scrolling down which is also useful to indicate that scrolling is happening. The redrawing issue for various cells higher up is no longer happening.

Closing.

Version: 7.6.0.0.alpha0+ (X86_64) / LibreOffice Community
Build ID: 7c3ea0abeff6e0cb9e2893cec8ed63025a274117
CPU threads: 8; OS: Mac OS X 13.2; UI render: Skia/Metal; VCL: osx
Locale: en-US (en_DE.UTF-8); UI: en-US
Calc: threaded