1 files changed, 13 insertions, 6 deletions
diff --git a/src/plugins/platforms/windows/accessible/iaccessible2.cpp b/src/plugins/platforms/windows/accessible/iaccessible2.cpp
index f34649e327..5ba49a8a98 100644
--- a/src/plugins/platforms/windows/accessible/iaccessible2.cpp
+++ b/src/plugins/platforms/windows/accessible/iaccessible2.cpp
@@ -45,6 +45,7 @@
 #include <QtGui/qaccessible.h>
 #include <QtGui/qclipboard.h>
 #include <QtGui/qguiapplication.h>
+#include <QtGui/private/qhighdpiscaling_p.h>
 #include <QtCore/qdebug.h>
 
 #include <algorithm>
@@ -607,7 +608,8 @@ HRESULT STDMETHODCALLTYPE QWindowsIA2Accessible::get_keyBinding(long actionIndex
             // The IDL documents that the client must free with CoTaskMemFree
             arrayOfBindingsToReturn = coTaskMemAllocArray<BSTR>(numBindings);
             std::transform(keyBindings.constBegin(), keyBindings.constEnd(),
-                           arrayOfBindingsToReturn, QStringToBSTR);
+                           QT_MAKE_CHECKED_ARRAY_ITERATOR(arrayOfBindingsToReturn, numBindings),
+                           QStringToBSTR);
         }
     }
     *keyBindings = arrayOfBindingsToReturn;
@@ -666,9 +668,11 @@ HRESULT STDMETHODCALLTYPE QWindowsIA2Accessible::get_locationInParent(long *x, l
     QAccessibleInterface *parentIface = accessible->parent();
     if (parentIface && parentIface->isValid())
         topLeft -= parentIface->rect().topLeft();
+    const QPoint nativeTopLeft = QHighDpi::toNativeLocalPosition(topLeft, accessible->window());
 
-    *x = topLeft.x();
-    *y = topLeft.y();
+
+    *x = nativeTopLeft.x();
+    *y = nativeTopLeft.y();
     return S_OK;
 }
 
@@ -989,7 +993,8 @@ HRESULT STDMETHODCALLTYPE QWindowsIA2Accessible::get_selectedColumns(long **sele
         *selectedColumns = Q_NULLPTR;
         if (count) {
             *selectedColumns = coTaskMemAllocArray<long>(count);
-            std::copy(selectedIndices.constBegin(), selectedIndices.constEnd(), *selectedColumns);
+            std::copy(selectedIndices.constBegin(), selectedIndices.constEnd(),
+                      QT_MAKE_CHECKED_ARRAY_ITERATOR(*selectedColumns, count));
         }
         return count ? S_OK : S_FALSE;
     }
@@ -1011,7 +1016,8 @@ HRESULT STDMETHODCALLTYPE QWindowsIA2Accessible::get_selectedRows(long **selecte
         *selectedRows = Q_NULLPTR;
         if (count) {
             *selectedRows = coTaskMemAllocArray<long>(count);
-            std::copy(selectedIndices.constBegin(), selectedIndices.constEnd(), *selectedRows);
+            std::copy(selectedIndices.constBegin(), selectedIndices.constEnd(),
+                      QT_MAKE_CHECKED_ARRAY_ITERATOR(*selectedRows, count));
         }
         return count ? S_OK : S_FALSE;
     }
@@ -1680,7 +1686,8 @@ HRESULT QWindowsIA2Accessible::wrapListOfCells(const QList<QAccessibleInterface*
     if (count) {
         *outputAccessibles = coTaskMemAllocArray<IUnknown *>(count);
         std::transform(inputCells.constBegin(), inputCells.constEnd(),
-                       *outputAccessibles, QWindowsAccessibility::wrap);
+                       QT_MAKE_CHECKED_ARRAY_ITERATOR(*outputAccessibles, count),
+                       QWindowsAccessibility::wrap);
     }
     return count > 0 ? S_OK : S_FALSE;
 }