https://bugs.kde.org/show_bug.cgi?id=462034
Bug ID: 462034
Summary: "Add" function does not work if you use a custom
keyboard layout where, on a single key, 'plus' or
'KP_Add' exists for both the shifted and unshifted
functions
Classification: Applications
Product: kcalc
Version: 22.08.1
Platform: Kubuntu
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: ete...@alum.rit.edu
Reporter: nm64+bugs.kde....@pm.me
Target Milestone: ---
If you have customized your keyboard layout to have the plus ( + ) key be
present for both shifted and unshifted modes, then the shifted mode will not
result in the "add" function occurring in kcalc despite it displaying a +
character in kate regardless of whether you are holding the shift key or not.
To clarify, I use the Colemak keyboard layout and have simply modified the file
/usr/share/X11/xkb/symbols/us so that, under "Colemak", the line for "key
<AE12>" lists the following instead:
key <AE12> { [ plus, plus, multiply, division
] };
For reference, I then also modify the backslash key so that it instead works as
"equal" and shift+backspace works as "backslash"; this is all because one is
not able to use the "equal" ( = ) key for the "plus" function as I described in
the following suggestion:
https://bugs.kde.org/show_bug.cgi?id=461485
STEPS TO REPRODUCE
1. edit and overwrite the file "/usr/share/X11/xkb/symbols/us" and replace the
'equal' function for "key <AE12>" with the 'add' function (without quotes)
2. log out and log back in
3. confirm in kate that pressing the equal ( = ) key without holding shift
sends the 'plus' character, and that holding shift while pressing the equal ( =
) key also sends the 'plus' character
4. open kcalc and click the number 1 with your mouse
5. press the equal ( = ) key on your keyboard
6. click the number 2 with your mouse
7. press the enter key; it should now display a value of "3"
8. click "AC" with your mouse and then press the number 1 with your mouse
9. hold down shift and press the equal ( = ) key on your keyboard
10. click the number 2 with your mouse
OBSERVED RESULT
kcalc is now displaying a value of "12"; it would seem that holding shift while
pressing the equal ( = ) key in this scenario did nothing
EXPECTED RESULT
kcalc should have instead did the addition equation of 1 + 2 like it did when
you were not holding shift
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Kubuntu 22.10
KDE Plasma Version: 5.25.5
KDE Frameworks Version: 5.98.0
Qt Version: 5.15.6
ADDITIONAL INFORMATION
When modifying the file "/usr/share/X11/xkb/symbols/us" it does not matter if
you use the 'plus' function or the 'KP_Add' function as both seem to result in
the exact same issue, and this issue occurs even if you have the primary
unshifted function as 'KP_Add' and the shifted function as 'plus'
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