diff --git a/src/gui/platform/unix/qxkbcommon.cpp b/src/gui/platform/unix/qxkbcommon.cpp index 5596b5903a5..fc014b38e2c 100644 --- a/src/gui/platform/unix/qxkbcommon.cpp +++ b/src/gui/platform/unix/qxkbcommon.cpp @@ -512,13 +512,13 @@ static int keysymToQtKey_internal(xkb_keysym_t keysym, Qt::KeyboardModifiers mod // numeric keypad keys qtKey = Qt::Key_0 + (keysym - XKB_KEY_KP_0); } else if (QXkbCommon::isLatin1(keysym)) { - // Upper-case first, since Qt::Keys are defined in terms of their - // upper-case versions. + // Most Qt::Key values are determined by their upper-case version, + // where this is in the Latin-1 repertoire. So start with that: qtKey = QXkbCommon::qxkbcommon_xkb_keysym_to_upper(keysym); - // 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. + // However, Key_mu and Key_ydiaeresis are U+00B5 MICRO SIGN and + // U+00FF LATIN SMALL LETTER Y WITH DIAERESIS, both lower-case, + // with upper-case forms outside Latin-1, so use them as they are + // since they're the Qt::Key values. if (!QXkbCommon::isLatin1(qtKey)) qtKey = keysym; } else {