[konsole] [Bug 403462] New: Text selection changes wrongly when more lines than what the window shows are selected

[Facundo Batista]

https://bugs.kde.org/show_bug.cgi?id=403462

            Bug ID: 403462
           Summary: Text selection changes wrongly  when more lines than
                    what the window shows are selected
           Product: konsole
           Version: 18.12.1
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: copy-paste
          Assignee: konsole-devel at kde.org
          Reporter: facundo at taniquetil.com.ar
  Target Milestone: ---

Trying to select more history than what is shown changes initial selection.


STEPS TO REPRODUCE
1. Open a new terminal
2. Create a history longer in lines than the window's height.
3. Select a couple of lines from the bottom of the window
4. Scroll the window a couple of "pages" up
5. With Shift pressed, click on any part of the window

OBSERVED RESULT

The original selection changes, now starting in where it was just clicked, but
ending in a line at the bottom of the shown windows. The whole selection is
included in the current shown lines.


EXPECTED RESULT

The original selection should change, now starting in where it was just
clicked, but ending at the end of the original selection. The whole selection
is across history lines that are larger than what the current window shows.


NOTE: the similar behaviour happens if you start the selection in the beginning
of the history, scroll down, shift+click in a lower part...


SOFTWARE/OS VERSIONS
Windows: -
MacOS: -
Linux/KDE Plasma: Ubuntu Bionic, kernel 4.15.0-43-generic
(available in About System)
KDE Plasma Version: 5.14.5
KDE Frameworks Version: 5.54.0
Qt Version: 5.11.2

ADDITIONAL INFORMATION

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