1 files changed, 38 insertions, 0 deletions
diff --git a/src/gui/kernel/qplatformkeymapper.cpp b/src/gui/kernel/qplatformkeymapper.cpp
new file mode 100644
index 0000000000..f54e4ff379
--- /dev/null
+++ b/src/gui/kernel/qplatformkeymapper.cpp
@@ -0,0 +1,38 @@
+// Copyright (C) 2023 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 "qplatformkeymapper.h"
+
+#include <private/qguiapplication_p.h>
+#include <qpa/qplatformintegration.h>
+
+QT_BEGIN_NAMESPACE
+
+Q_LOGGING_CATEGORY(lcQpaKeyMapper, "qt.qpa.keymapper")
+
+QPlatformKeyMapper::~QPlatformKeyMapper()
+{
+}
+
+/*
+    Should return a list of possible key combinations for the given key event.
+
+    For example, given a US English keyboard layout, the key event Shift+5
+    can represent both a "Shift+5" key combination, as well as just "%".
+*/
+QList<QKeyCombination> QPlatformKeyMapper::possibleKeyCombinations(const QKeyEvent *event) const
+{
+    auto *platformIntegration = QGuiApplicationPrivate::platformIntegration();
+    QList<int> possibleKeys = platformIntegration->possibleKeys(event);
+    QList<QKeyCombination> combinations;
+    for (int key : possibleKeys)
+        combinations << QKeyCombination::fromCombined(key);
+    return combinations;
+}
+
+Qt::KeyboardModifiers QPlatformKeyMapper::queryKeyboardModifiers() const
+{
+    return QGuiApplicationPrivate::platformIntegration()->queryKeyboardModifiers();
+}
+
+QT_END_NAMESPACE