[konsole] [Bug 453654] New: Cannot use some key combinations in keytab

[bugzilla_noreply at kde.org]

https://bugs.kde.org/show_bug.cgi?id=453654

            Bug ID: 453654
           Summary: Cannot use some key combinations in keytab
           Product: konsole
           Version: 22.04.0
          Platform: Archlinux Packages
                OS: Linux
            Status: REPORTED
          Severity: minor
          Priority: NOR
         Component: kpart
          Assignee: konsole-devel at kde.org
          Reporter: mtrm0ep2z at mozmail.com
  Target Milestone: ---

SUMMARY
It is impossible to bind key combination like <C-;> or <C-/>. It seems that
generally it is not possible to bind Control with key that is not an alphabetic
character. For example, if press <C-;> when cursor is in test area, I get `;`.
I tried to add `key Semicolon+Ctrl : "\E[59;5u"` in my keytab file, but it
doesn't work either – opening keytab settings shows that konsole interprets it
as `+Ctrl`. It is possible, though, to bind such combination as shortcut in any
KDE application. I know that at least kitty and alacritty does allow to send
custom ANSI codes for these keystrokes. 

STEPS TO REPRODUCE
1. Open konsole settings -> Keyboard and edit any keytab
2. Put cursor into Test Area Input
3. Press <C-;>

OBSERVED RESULT
Konsole reports `;` was pressed, which makes it impossible to bind <C-;>

EXPECTED RESULT
It should be possible to define keybinding for <C-;>, and other keystrokes with
non-alphabetic keys

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Arch Linux
KDE Plasma Version: 5.24.5
KDE Frameworks Version: 5.93.0
Qt Version: 5.15.3

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