1 files changed, 7 insertions, 1 deletions
diff --git a/src/plugins/platforms/cocoa/qcocoaclipboard.h b/src/plugins/platforms/cocoa/qcocoaclipboard.h
index 5ebdad79f1..2c34ef9278 100644
--- a/src/plugins/platforms/cocoa/qcocoaclipboard.h
+++ b/src/plugins/platforms/cocoa/qcocoaclipboard.h
@@ -40,8 +40,10 @@
 
 QT_BEGIN_NAMESPACE
 
-class QCocoaClipboard : public QPlatformClipboard
+class QCocoaClipboard : public QObject, public QPlatformClipboard
 {
+    Q_OBJECT
+
 public:
     QCocoaClipboard();
 
@@ -49,6 +51,10 @@ public:
     void setMimeData(QMimeData *data, QClipboard::Mode mode = QClipboard::Clipboard);
     bool supportsMode(QClipboard::Mode mode) const;
     bool ownsMode(QClipboard::Mode mode) const;
+
+private Q_SLOTS:
+    void handleApplicationStateChanged(Qt::ApplicationState state);
+
 protected:
     QMacPasteboard *pasteboardForMode(QClipboard::Mode mode) const;