https://bugs.documentfoundation.org/show_bug.cgi?id=100953
Bug ID: 100953
Summary: [UI] Sluggish text selection requires a full CPU core
Product: LibreOffice
Version: 5.1.4.2 release
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: Impress
Assignee: [email protected]
Reporter: [email protected]
Created attachment 126235
--> https://bugs.documentfoundation.org/attachment.cgi?id=126235&action=edit
Demonstration slide
1. Start your favourite task manager and order it by CPU usage.
2. Open the attached .odp file and position your mouse pointer in the last line
over the word "Minden".
3. Press the mouse button on that word and slowly start moving your mouse
upwards letting the selection follow the pointer.
4. While doing this, inspect the CPU usage of soffice.bin.
Selecting text causes 100% usage of a core and that makes the whole procedure
sluggish.
According to my LibreOffce settings:
- hardware acceleration is on;
- antialiasing is on;
- OpenGL is ticked on, however the status text says it's disabled.
OS: openSUSE Leap 42.1, x64, KDE 5
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