https://bugs.documentfoundation.org/show_bug.cgi?id=171451
Bug ID: 171451
Summary: UI: scrolling slow and "afterrun" due to keyboard
buffering
Product: LibreOffice
Version: unspecified
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: Writer
Assignee: [email protected]
Reporter: [email protected]
Description:
Can't say if duplicate of which of the other "scrolling slow" bugs,
observed scrolling became slower and slower over time.
Latest is that recent nightly build has about 9 seconds of "afterrun"
when pressing Pg-down for about a second to reach a position about
50 clicks below ( my keyboard repeat is at 100/sec. ).
Other variant: it takes three minutes! to scroll from head to bottom
with page-down in a ~300 page document with modest complexity.
Related issue: due to the "afterrun" you can't stop near position if
you spot something relevant on screen.
That's inconvenient, it eats away too much of time, and positioning
becomes difficult.
Proposal: avoid calculations of details while scrolling, just determine the
space used.
Avoid keyboard buffering for cursor keys. Immediately release all
buffered strokes on key release.
Steps to Reproduce:
Observed in Linux, assume Windows affected as well.
Metered in recent nightly build, however creeped in over time / years.
Actual Results:
slow
Expected Results:
faster
Reproducible: Always
User Profile Reset: No
Additional Info:
Version: 25.8.7.0.0+ (X86_64) / LibreOffice Community
Build ID: e226bebe35fcb5f36a40a16d59c61c0aa8148b90
CPU threads: 8; OS: Linux 6.8; UI render: default; VCL: gtk3
Locale: en-US (en_US.UTF-8); UI: en-US
Calc: threaded
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