2 files changed, 7 insertions, 1 deletions
diff --git a/src/plugins/platforms/windows/qwindowsscreen.cpp b/src/plugins/platforms/windows/qwindowsscreen.cpp
index 2476e15169..cc694fe0ea 100644
--- a/src/plugins/platforms/windows/qwindowsscreen.cpp
+++ b/src/plugins/platforms/windows/qwindowsscreen.cpp
@@ -59,7 +59,8 @@ QT_BEGIN_NAMESPACE
 
 QWindowsScreenData::QWindowsScreenData() :
     dpi(96, 96), depth(32), format(QImage::Format_ARGB32_Premultiplied),
-    flags(VirtualDesktop), orientation(Qt::LandscapeOrientation)
+    flags(VirtualDesktop), orientation(Qt::LandscapeOrientation),
+    refreshRateHz(60)
 {
 }
 
@@ -103,6 +104,9 @@ BOOL QT_WIN_CALLBACK monitorEnumCallback(HMONITOR hMonitor, HDC, LPRECT, LPARAM
         data.depth = GetDeviceCaps(hdc, BITSPIXEL);
         data.format = data.depth == 16 ? QImage::Format_RGB16 : QImage::Format_RGB32;
         data.physicalSizeMM = QSizeF(GetDeviceCaps(hdc, HORZSIZE), GetDeviceCaps(hdc, VERTSIZE));
+        const int refreshRate = GetDeviceCaps(hdc, VREFRESH);
+        if (refreshRate > 1) // 0,1 means heardware default.
+            data.refreshRateHz = refreshRate;
         DeleteDC(hdc);
     } else {
         qWarning("%s: Unable to obtain handle for monitor '%s', defaulting to %g DPI.",
diff --git a/src/plugins/platforms/windows/qwindowsscreen.h b/src/plugins/platforms/windows/qwindowsscreen.h
index 56e9ab304e..615d4faf15 100644
--- a/src/plugins/platforms/windows/qwindowsscreen.h
+++ b/src/plugins/platforms/windows/qwindowsscreen.h
@@ -70,6 +70,7 @@ struct QWindowsScreenData
     unsigned flags;
     QString name;
     Qt::ScreenOrientation orientation;
+    qreal refreshRateHz;
 };
 
 class QWindowsScreen : public QPlatformScreen
@@ -87,6 +88,7 @@ public:
     virtual QImage::Format format() const { return m_data.format; }
     virtual QSizeF physicalSize() const { return m_data.physicalSizeMM; }
     virtual QDpi logicalDpi() const { return m_data.dpi; }
+    virtual qreal refreshRate() const { return m_data.refreshRateHz; }
     virtual QString name() const { return m_data.name; }
     virtual Qt::ScreenOrientation primaryOrientation() { return m_data.orientation; }
     virtual QList<QPlatformScreen *> virtualSiblings() const;