macOS: Implement QPlatformInputContext::setFocusObject()

Instead of handling the update manually.

Pick-to: 6.2
Change-Id: Iffb28d893146f5d3f6eae8e8c43aaf7fa5281516
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>

2 files changed, 3 insertions, 13 deletions

diff --git a/src/plugins/platforms/cocoa/qcocoainputcontext.h b/src/plugins/platforms/cocoa/qcocoainputcontext.h
index 07317f7705..2b97ab6a82 100644
--- a/src/plugins/platforms/cocoa/qcocoainputcontext.h
+++ b/src/plugins/platforms/cocoa/qcocoainputcontext.h
@@ -57,15 +57,13 @@ public:
 
     bool isValid() const override { return true; }
 
+    void setFocusObject(QObject *object) override;
+
     void reset() override;
 
     QLocale locale() const override { return m_locale; }
     void updateLocale();
 
-private Q_SLOTS:
-    void connectSignals();
-    void focusObjectChanged(QObject *focusObject);
-
 private:
     QPointer<QWindow> m_focusWindow;
     QLocale m_locale;
diff --git a/src/plugins/platforms/cocoa/qcocoainputcontext.mm b/src/plugins/platforms/cocoa/qcocoainputcontext.mm
index c5e0e80f76..b700551b9a 100644
--- a/src/plugins/platforms/cocoa/qcocoainputcontext.mm
+++ b/src/plugins/platforms/cocoa/qcocoainputcontext.mm
@@ -84,8 +84,6 @@ QCocoaInputContext::QCocoaInputContext()
     : QPlatformInputContext()
     , m_focusWindow(QGuiApplication::focusWindow())
 {
-    QMetaObject::invokeMethod(this, "connectSignals", Qt::QueuedConnection);
-
     m_inputSourceObserver = QMacNotificationObserver(nil,
         NSTextInputContextKeyboardSelectionDidChangeNotification, [&]() {
         qCDebug(lcQpaInputMethods) << "Text input source changed";
@@ -123,13 +121,7 @@ void QCocoaInputContext::reset()
     }
 }
 
-void QCocoaInputContext::connectSignals()
-{
-    connect(qApp, SIGNAL(focusObjectChanged(QObject*)), this, SLOT(focusObjectChanged(QObject*)));
-    focusObjectChanged(qApp->focusObject());
-}
-
-void QCocoaInputContext::focusObjectChanged(QObject *focusObject)
+void QCocoaInputContext::setFocusObject(QObject *focusObject)
 {
     qCDebug(lcQpaInputMethods) << "Focus object changed to" << focusObject;