https://bugs.documentfoundation.org/show_bug.cgi?id=146306
Bug ID: 146306
Summary: Sluggishness with NVDA and Calc
Product: LibreOffice
Version: 7.1.0.3 release
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: Calc
Assignee: [email protected]
Reporter: [email protected]
Description:
I am using Windows 10 64-bit version 20H2, LibreOffice 7.2.4 and NVDA 2021.3.
With Calc, there is a great amount of sluggishness, as outlined below:
- With a spreadsheet open, each time I enter a number into a cell, there is
like a 15 second delay before NVDA responds with the number entered.
- When using the enter or arrow keys after entering a number into a cell to
move to a new cell, it takes like 15 seconds before NVDA responds.
I do not have any special settings in either NVDA or LO. When using JAWS and
Excel, I experience none of this sluggishness. This is not a new issue; this
sluggishness has been present since at least LO 7.x. Also, this sluggishness
is reported by other users on the NVDA support list.
I also tried it with JAWS (2020) and Narrator. Basically, I experienced the
same sluggishness; although it was a bit worse with JAWS and a bit less with
Narrator. The file I am working with is in Excel (.xlsx) format.
In testing other issues using LibreOffice Dev 7.4.0 (December 17,2021), this
same sluggishness exists; albeit at a lesser rate similar to what Michael
reports below.
Michael Weghorn <[email protected]> (a LO Developer) took a look at this
issue. He was able to reproduce the issue; albeit with a 4 -5 second lag
instead of my ~15 second lag. He said that it seems that a significant amount
of time is spent on retrieving/generating an accessible description of involved
accessibility objects. He also said that this issue does not occur when just
navigating through the spreadsheet using the arrow keys (i.e., without making
any changes) or when using the Orca screen reader with the gtk3 VCL plugin on
Linux.
Simon Eigeldinger <[email protected]> (a LO User on the Accessibility
list) said that he also has something to add to this issue. Though he is not
certain it is the same sluggishness issue reported in this bug. He has the
feeling it has something to do with loosing focus or having tracking issues.
When navigating very quickly through the sheet, NVDA cannot track the cursor in
the sheet window and on the braille display - you just see the word “Cell.”
Speech stops after that. You can see that the cursor still moves because when
you alt+tab out of the window and back into again you are on the cell where you
wanted to be. The problem is then when navigating to the next cell you have
the same tracking/focus issues again.
Steps to Reproduce:
See description1.
2.
3.
Actual Results:
See description
Expected Results:
See description
Reproducible: Always
User Profile Reset: No
Additional Info:
See description
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