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Fix the handling of dead keys on WASM

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1) Do not attempt to take the first character of event.key when the
key is a dead key - this always returns D as in Dead
2) Do not attempt to immediately modify the pressed key with the dead
key as the dead key itself will be modified

Pick-to: 6.5
Fixes: QTBUG-109629
Change-Id: Ic66536b8b27df23c2f1c4ebf1c02e713990e62ef
Reviewed-by: Aleksandr Reviakin <aleksandr.reviakin@qt.io>
Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>
This commit is contained in:
Mikolaj Boc 2022-12-23 15:29:20 +01:00
parent 040b4a4b21
commit 988c7bfcae
1 changed files with 7 additions and 6 deletions
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13
src/plugins/platforms/wasm/qwasmeventtranslator.cpp
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@ -177,12 +177,15 @@ bool isDeadKeyEvent(const EmscriptenKeyboardEvent *emKeyEvent)
Qt::Key translateEmscriptKey(const EmscriptenKeyboardEvent *emscriptKey)
{
if (isDeadKeyEvent(emscriptKey)) {
const bool deadKeyEvent = isDeadKeyEvent(emscriptKey);
if (deadKeyEvent) {
if (auto mapping = findMappingByBisection(emscriptKey->code))
return *mapping;
}
if (auto mapping = findMappingByBisection(emscriptKey->key))
return *mapping;
if (deadKeyEvent)
return Qt::Key_unknown;
// cast to unicode key
QString str = QString::fromUtf8(emscriptKey->key).toUpper();
@ -306,11 +309,9 @@ QWasmEventTranslator::translateKeyEvent(int emEventType, const EmscriptenKeyboar
if (keyEvent->shiftKey && ret.key == Qt::Key_QuoteLeft)
ret.key = Qt::Key_AsciiTilde;
m_emDeadKey = ret.key;
}
if (m_emDeadKey != Qt::Key_unknown
&& (m_keyModifiedByDeadKeyOnPress == Qt::Key_unknown
|| ret.key == m_keyModifiedByDeadKeyOnPress)) {
} else if (m_emDeadKey != Qt::Key_unknown
&& (m_keyModifiedByDeadKeyOnPress == Qt::Key_unknown
|| ret.key == m_keyModifiedByDeadKeyOnPress)) {
const Qt::Key baseKey = ret.key;
const Qt::Key translatedKey = translateBaseKeyUsingDeadKey(baseKey, m_emDeadKey);
if (translatedKey != Qt::Key_unknown)