Bug 459147

Summary:	preserve scrollback buffer after clear
Product:	[Applications] konsole	Reporter:	Lluís <tictacbum>
Component:	history	Assignee:	Konsole Developer <konsole-devel>
Status:	REPORTED ---
Severity:	normal	CC:	kubry, tictacbum
Priority:	NOR
Version:	20.12.3
Target Milestone:	---
Platform:	Debian stable
OS:	Linux
Latest Commit:		Version Fixed In:
Sentry Crash Report:

Description Lluís 2022-09-15 09:55:14 UTC

SUMMARY
same as bug https://bugs.kde.org/show_bug.cgi?id=55343
when clearing Konsole screen, the lines cleared disappear from scrollback buffer.


STEPS TO REPRODUCE
1. Fill the screen with some output
2. Clear with Ctrl+L or clear command
3. Scroll back

OBSERVED RESULT
You can not see cleared lines in scrollback

EXPECTED RESULT
Cleared lines should be present in scrollback

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Debian GNU/Linux 11.5
KDE Plasma Version: 5.20.5
KDE Frameworks Version: 5.78.0
Qt Version: 5.15.2

ADDITIONAL INFORMATION

Comment 1 Ganton 2022-12-17 19:27:43 UTC

A related bug report:
Only one line is saved when multiple lines are scrolled up
https://bugs.kde.org/show_bug.cgi?id=449233

Comment 2 Ganton 2022-12-17 19:55:43 UTC

Another related bug report:
Scrollback buffer gets partially deleted after pressing "Ctrl+L"
https://bugs.kde.org/show_bug.cgi?id=424738