qxkbcommon: Keep lower case as Qt key when upper case is not in Latin1

Upper-casing a Latin1 character might move it out of Latin1 range,
for example U+00B5 MICRO SIGN, which upper-case equivalent is
U+039C GREEK CAPITAL LETTER MU. If that's the case, then map the
original lower-case character.

Fixes: QTBUG-93858
Pick-to: 5.15 6.0 6.1
Change-Id: Ibd86fbb7c70d620c0884015ec1c40aa6351e6320
Reviewed-by: Tor Arne Vestbø <[email protected]>
Reviewed-by: Andrey Butirsky <[email protected]>

0 files changed, 0 insertions, 0 deletions