https://bugs.documentfoundation.org/show_bug.cgi?id=159708
Bug ID: 159708
Summary: High CPU usage UI ribbon/menu
Product: LibreOffice
Version: 7.6.4.1 release
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: Writer
Assignee: [email protected]
Reporter: [email protected]
Version: 7.6.4.1 (X86_64) / LibreOffice Community
Build ID: e19e193f88cd6c0525a17fb7a176ed8e6a3e2aa1
CPU threads: 20; OS: Windows 10.0 Build 22621; UI render: default; VCL: win
Locale: en-US (en_US); UI: en-US
Calc: CL threaded
When I drag Writer from the primary display to an external display the ribbon
icons start flashing and the CPU Writer is running on jumps to about 100%
utilization.
This may be triggered when Windows changes the rendering to a lower resolution.
My particular setup has a high resolution display for the primary display
(laptop) and the secondary display is about half the resolution and re-renders
the display when the Writer window goes fully to the lower resolution display.
I have been successful preventing this behavior by moving the Writer interface
off the edge of the secondary monitor and moving it back again.
In order to reproduce this, you may require a high resolution monitor and lower
resolution monitor.
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