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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qguiapplication.h"
#include <private/qobject_p.h>
#include "qkeymapper_p.h"
#include <private/qguiapplication_p.h>
#include <qpa/qplatformintegration.h>
#include <qpa/qplatformkeymapper.h>
QT_BEGIN_NAMESPACE
/*!
\class QKeyMapper
\since 4.2
\internal
\sa QObject
*/
/*!
Constructs a new key mapper.
*/
QKeyMapper::QKeyMapper() : QObject()
{
}
/*!
Destroys the key mapper.
*/
QKeyMapper::~QKeyMapper()
{
}
QList<QKeyCombination> QKeyMapper::possibleKeys(const QKeyEvent *e)
{
qCDebug(lcQpaKeyMapper).verbosity(3) << "Computing possible key combinations for" << e;
const auto *platformIntegration = QGuiApplicationPrivate::platformIntegration();
const auto *platformKeyMapper = platformIntegration->keyMapper();
QList<QKeyCombination> result = platformKeyMapper->possibleKeyCombinations(e);
if (result.isEmpty()) {
if (e->key() && (e->key() != Qt::Key_unknown))
result << e->keyCombination();
else if (!e->text().isEmpty())
result << (Qt::Key(e->text().at(0).unicode()) | e->modifiers());
}
#if QT_CONFIG(shortcut)
if (lcQpaKeyMapper().isDebugEnabled()) {
qCDebug(lcQpaKeyMapper) << "Resulting possible key combinations:";
for (auto keyCombination : result) {
auto keySequence = QKeySequence(keyCombination);
qCDebug(lcQpaKeyMapper).verbosity(0) << "\t-"
<< keyCombination << "/" << keySequence << "/"
<< qUtf8Printable(keySequence.toString(QKeySequence::NativeText));
}
}
#endif
return result;
}
Q_GLOBAL_STATIC(QKeyMapper, keymapper)
/*!
Returns the pointer to the single instance of QKeyMapper in the application.
If none yet exists, the function ensures that one is created.
*/
QKeyMapper *QKeyMapper::instance()
{
return keymapper();
}
void *QKeyMapper::resolveInterface(const char *name, int revision) const
{
Q_UNUSED(name); Q_UNUSED(revision);
using namespace QNativeInterface::Private;
#if QT_CONFIG(evdev)
QT_NATIVE_INTERFACE_RETURN_IF(QEvdevKeyMapper, QGuiApplicationPrivate::platformIntegration());
#endif
return nullptr;
}
QT_END_NAMESPACE
#include "moc_qkeymapper_p.cpp"
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