diff --git a/src/gui/platform/darwin/qapplekeymapper.mm b/src/gui/platform/darwin/qapplekeymapper.mm
index 1238104186..7aefe64c6a 100644
--- a/src/gui/platform/darwin/qapplekeymapper.mm
+++ b/src/gui/platform/darwin/qapplekeymapper.mm
@@ -383,7 +383,7 @@ Qt::Key QAppleKeyMapper::fromCocoaKey(QChar keyCode)
 
 // ------------------------------------------------
 
-Qt::KeyboardModifiers QAppleKeyMapper::queryKeyboardModifiers()
+Qt::KeyboardModifiers QAppleKeyMapper::queryKeyboardModifiers() const
 {
     return fromCocoaModifiers(NSEvent.modifierFlags);
 }
@@ -537,9 +537,9 @@ const QAppleKeyMapper::KeyMap &QAppleKeyMapper::keyMapForKey(VirtualKeyCode virt
     where each modifier-key combination has been mapped to the
     key it will produce.
 */
-QList<int> QAppleKeyMapper::possibleKeys(const QKeyEvent *event) const
+QList<QKeyCombination> QAppleKeyMapper::possibleKeyCombinations(const QKeyEvent *event) const
 {
-    QList<int> ret;
+    QList<QKeyCombination> ret;
 
     qCDebug(lcQpaKeyMapper) << "Computing possible keys for" << event;
 
@@ -557,7 +557,7 @@ QList<int> QAppleKeyMapper::possibleKeys(const QKeyEvent *event) const
     // The complete set of event modifiers, along with the
     // unmodified key, is always a valid key combination,
     // and the first priority.
-    ret << int(eventModifiers) + int(unmodifiedKey);
+    ret << QKeyCombination::fromCombined(int(eventModifiers) + int(unmodifiedKey));
 
     // FIXME: We only compute the first 8 combinations. Why?
     for (int i = 1; i < 8; ++i) {
@@ -574,14 +574,14 @@ QList<int> QAppleKeyMapper::possibleKeys(const QKeyEvent *event) const
             // If the event includes more modifiers than the candidate they
             // will need to be included in the resulting key combination.
             auto additionalModifiers = eventModifiers & ~candidateModifiers;
-            ret << int(additionalModifiers) + int(keyAfterApplyingModifiers);
+            ret << QKeyCombination::fromCombined(
+                int(additionalModifiers) + int(keyAfterApplyingModifiers));
         }
     }
 
     if (lcQpaKeyMapper().isDebugEnabled()) {
         qCDebug(lcQpaKeyMapper) << "Possible keys:";
-        for (int keyAndModifiers : ret) {
-            auto keyCombination = QKeyCombination::fromCombined(keyAndModifiers);
+        for (auto keyCombination : ret) {
             auto keySequence = QKeySequence(keyCombination);
             qCDebug(lcQpaKeyMapper).verbosity(0) << "\t-"
                 << keyCombination << "/" << keySequence << "/"
diff --git a/src/gui/platform/darwin/qapplekeymapper_p.h b/src/gui/platform/darwin/qapplekeymapper_p.h
index 0f096e9537..910990eabb 100644
--- a/src/gui/platform/darwin/qapplekeymapper_p.h
+++ b/src/gui/platform/darwin/qapplekeymapper_p.h
@@ -29,11 +29,12 @@
 
 QT_BEGIN_NAMESPACE
 
-class Q_GUI_EXPORT QAppleKeyMapper
+class Q_GUI_EXPORT QAppleKeyMapper : public QPlatformKeyMapper
 {
 public:
-    static Qt::KeyboardModifiers queryKeyboardModifiers();
-    QList<int> possibleKeys(const QKeyEvent *event) const;
+    Qt::KeyboardModifiers queryKeyboardModifiers() const override;
+    QList<QKeyCombination> possibleKeyCombinations(const QKeyEvent *event) const override;
+
     static Qt::Key fromNSString(Qt::KeyboardModifiers qtMods, NSString *characters,
                                 NSString *charactersIgnoringModifiers, QString &text);
 #ifdef Q_OS_MACOS
diff --git a/src/plugins/platforms/cocoa/qcocoaintegration.h b/src/plugins/platforms/cocoa/qcocoaintegration.h
index 09904efbaf..664700cf51 100644
--- a/src/plugins/platforms/cocoa/qcocoaintegration.h
+++ b/src/plugins/platforms/cocoa/qcocoaintegration.h
@@ -84,8 +84,7 @@ public:
     QCocoaServices *services() const override;
     QVariant styleHint(StyleHint hint) const override;
 
-    Qt::KeyboardModifiers queryKeyboardModifiers() const override;
-    QList<int> possibleKeys(const QKeyEvent *event) const override;
+    QPlatformKeyMapper *keyMapper() const override;
 
     void setApplicationIcon(const QIcon &icon) const override;
     void setApplicationBadge(qint64 number) override;
diff --git a/src/plugins/platforms/cocoa/qcocoaintegration.mm b/src/plugins/platforms/cocoa/qcocoaintegration.mm
index 86b4206094..1e609026cf 100644
--- a/src/plugins/platforms/cocoa/qcocoaintegration.mm
+++ b/src/plugins/platforms/cocoa/qcocoaintegration.mm
@@ -400,14 +400,9 @@ QVariant QCocoaIntegration::styleHint(StyleHint hint) const
     return QPlatformIntegration::styleHint(hint);
 }
 
-Qt::KeyboardModifiers QCocoaIntegration::queryKeyboardModifiers() const
+QPlatformKeyMapper *QCocoaIntegration::keyMapper() const
 {
-    return QAppleKeyMapper::queryKeyboardModifiers();
-}
-
-QList<int> QCocoaIntegration::possibleKeys(const QKeyEvent *event) const
-{
-    return mKeyboardMapper->possibleKeys(event);
+    return mKeyboardMapper.data();
 }
 
 void QCocoaIntegration::setApplicationIcon(const QIcon &icon) const