1 files changed, 17 insertions, 4 deletions
diff --git a/src/plugins/platforms/winrt/qwinrtclipboard.cpp b/src/plugins/platforms/winrt/qwinrtclipboard.cpp
index 2811f1f018..0a38b3df34 100644
--- a/src/plugins/platforms/winrt/qwinrtclipboard.cpp
+++ b/src/plugins/platforms/winrt/qwinrtclipboard.cpp
@@ -59,6 +59,7 @@ typedef IEventHandler<IInspectable *> ContentChangedHandler;
 QT_BEGIN_NAMESPACE
 
 QWinRTClipboard::QWinRTClipboard()
+    : m_mimeData(Q_NULLPTR)
 {
 #ifndef Q_OS_WINPHONE
     QEventDispatcherWinRT::runOnXamlThread([this]() {
@@ -103,9 +104,16 @@ QMimeData *QWinRTClipboard::mimeData(QClipboard::Mode mode)
     const wchar_t *textStr = result.GetRawBuffer(&size);
     QString text = QString::fromWCharArray(textStr, size);
     text.replace(QLatin1String("\r\n"), QLatin1String("\n"));
-    m_mimeData.setText(text);
 
-    return &m_mimeData;
+    if (m_mimeData) {
+        if (m_mimeData->text() == text)
+            return m_mimeData;
+        delete m_mimeData;
+    }
+    m_mimeData = new QMimeData();
+    m_mimeData->setText(text);
+
+    return m_mimeData;
 #else // Q_OS_WINPHONE
     return QPlatformClipboard::mimeData(mode);
 #endif // Q_OS_WINPHONE
@@ -146,7 +154,13 @@ void QWinRTClipboard::setMimeData(QMimeData *data, QClipboard::Mode mode)
         return;
 
 #ifndef Q_OS_WINPHONE
-    const QString text = data->text();
+    const bool newData = !m_mimeData || m_mimeData != data;
+    if (newData) {
+        if (m_mimeData)
+            delete m_mimeData;
+        m_mimeData = data;
+    }
+    const QString text = data ? data->text() : QString();
     HRESULT hr = QEventDispatcherWinRT::runOnXamlThread([this, text]() {
         HRESULT hr;
         ComPtr<IDataPackage> package;
@@ -164,7 +178,6 @@ void QWinRTClipboard::setMimeData(QMimeData *data, QClipboard::Mode mode)
         return S_OK;
     });
     RETURN_VOID_IF_FAILED("Could not set clipboard text.");
-    emitChanged(mode);
 #else // Q_OS_WINPHONE
     QPlatformClipboard::setMimeData(data, mode);
 #endif // Q_OS_WINPHONE