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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>
QT_BEGIN_NAMESPACE
/*!
\class QKeyMapper
\since 4.2
\internal
\sa QObject
*/
/*!
Constructs a new key mapper.
*/
QKeyMapper::QKeyMapper()
: QObject(*new QKeyMapperPrivate, nullptr)
{
}
/*!
Destroys the key mapper.
*/
QKeyMapper::~QKeyMapper()
{
}
static QList<int> extractKeyFromEvent(QKeyEvent *e)
{
QList<int> result;
if (e->key() && (e->key() != Qt::Key_unknown))
result << e->keyCombination().toCombined();
else if (!e->text().isEmpty())
result << int(e->text().at(0).unicode() + (int)e->modifiers());
return result;
}
QList<int> QKeyMapper::possibleKeys(QKeyEvent *e)
{
return instance()->d_func()->possibleKeys(e);
}
extern bool qt_sendSpontaneousEvent(QObject *receiver, QEvent *event); // in qapplication_*.cpp
void QKeyMapper::changeKeyboard()
{
// ## TODO: Support KeyboardLayoutChange on QPA
#if 0
// inform all toplevel widgets of the change
QEvent e(QEvent::KeyboardLayoutChange);
QWidgetList list = QApplication::topLevelWidgets();
for (int i = 0; i < list.size(); ++i) {
QWidget *w = list.at(i);
qt_sendSpontaneousEvent(w, &e);
}
#endif
}
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();
}
QKeyMapperPrivate *qt_keymapper_private()
{
return QKeyMapper::instance()->d_func();
}
QKeyMapperPrivate::QKeyMapperPrivate()
{
keyboardInputLocale = QLocale::system();
keyboardInputDirection = keyboardInputLocale.textDirection();
}
QKeyMapperPrivate::~QKeyMapperPrivate()
{
}
QList<int> QKeyMapperPrivate::possibleKeys(QKeyEvent *e)
{
QList<int> result = QGuiApplicationPrivate::platformIntegration()->possibleKeys(e);
if (!result.isEmpty())
return result;
return extractKeyFromEvent(e);
}
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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