https://bugs.kde.org/show_bug.cgi?id=387910
Bug ID: 387910
Summary: Text selection is very slow when there is long lines
Product: kate
Version: 17.08.1
Platform: Fedora RPMs
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: kwrite
Assignee: kwrite-bugs-n...@kde.org
Reporter: b2.t...@gmx.com
Target Milestone: ---
Created attachment 109380
--> https://bugs.kde.org/attachment.cgi?id=109380&action=edit
typical file with long lines
I use a tool to generates tables in a source code. Result contains 3 very long
LOCs (~1000 columns). Trying to select them in In KWrite 17.08.1 and using
SHIFT + CTRL + ARROWS is very slow, there's a lag for each ARROW keystroke.
I attach a demo file, play with selection to verify the bug. Just CTRL + A
should show the issue. Then reduce the selection with SHIFT + CTRL + LEFT ARROW
to see how it is annoying.
The problem happens even with no syntax highlihgting and with max line size set
to 4096.
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