1 files changed, 20 insertions, 2 deletions
diff --git a/src/plugins/platforms/windows/qwindowsscreen.cpp b/src/plugins/platforms/windows/qwindowsscreen.cpp
index 53548622dfc..7908f22d99d 100644
--- a/src/plugins/platforms/windows/qwindowsscreen.cpp
+++ b/src/plugins/platforms/windows/qwindowsscreen.cpp
@@ -553,12 +553,14 @@ void QWindowsScreen::handleChanges(const QWindowsScreenData &newData)
     const bool orientationChanged = m_data.orientation != newData.orientation;
     const bool primaryChanged = (newData.flags & QWindowsScreenData::PrimaryScreen)
             && !(m_data.flags & QWindowsScreenData::PrimaryScreen);
+    const bool refreshRateChanged = m_data.refreshRateHz != newData.refreshRateHz;
     m_data.dpi = newData.dpi;
     m_data.orientation = newData.orientation;
     m_data.geometry = newData.geometry;
     m_data.availableGeometry = newData.availableGeometry;
     m_data.flags = (m_data.flags & ~QWindowsScreenData::PrimaryScreen)
             | (newData.flags & QWindowsScreenData::PrimaryScreen);
+    m_data.refreshRateHz = newData.refreshRateHz;
 
     if (dpiChanged) {
         QWindowSystemInterface::handleScreenLogicalDotsPerInchChange(screen(),
@@ -573,6 +575,9 @@ void QWindowsScreen::handleChanges(const QWindowsScreenData &newData)
     }
     if (primaryChanged)
         QWindowSystemInterface::handlePrimaryScreenChanged(this);
+
+    if (refreshRateChanged)
+        QWindowSystemInterface::handleScreenRefreshRateChange(screen(), newData.refreshRateHz);
 }
 
 HMONITOR QWindowsScreen::handle() const
@@ -869,9 +874,8 @@ const QWindowsScreen *QWindowsScreenManager::screenAtDp(const QPoint &p) const
     return nullptr;
 }
 
-const QWindowsScreen *QWindowsScreenManager::screenForHwnd(HWND hwnd) const
+const QWindowsScreen *QWindowsScreenManager::screenForMonitor(HMONITOR hMonitor) const
 {
-    HMONITOR hMonitor = MonitorFromWindow(hwnd, MONITOR_DEFAULTTONULL);
     if (hMonitor == nullptr)
         return nullptr;
     const auto it =
@@ -884,4 +888,18 @@ const QWindowsScreen *QWindowsScreenManager::screenForHwnd(HWND hwnd) const
     return it != m_screens.cend() ? *it : nullptr;
 }
 
+const QWindowsScreen *QWindowsScreenManager::screenForHwnd(HWND hwnd) const
+{
+    HMONITOR hMonitor = MonitorFromWindow(hwnd, MONITOR_DEFAULTTONULL);
+    return screenForMonitor(hMonitor);
+}
+
+const QWindowsScreen *QWindowsScreenManager::screenForRect(const RECT *rect) const
+{
+    if (rect == nullptr)
+        return nullptr;
+    HMONITOR hMonitor = MonitorFromRect(rect, MONITOR_DEFAULTTONULL);
+    return screenForMonitor(hMonitor);
+}
+
 QT_END_NAMESPACE