Merge "Merge remote-tracking branch 'origin/5.9' into dev" into refs/staging/dev

4 files changed, 14 insertions, 7 deletions

diff --git a/src/plugins/platforms/windows/qwindowscontext.cpp b/src/plugins/platforms/windows/qwindowscontext.cpp
index d87fb75d14..6d4b7922db 100644
--- a/src/plugins/platforms/windows/qwindowscontext.cpp
+++ b/src/plugins/platforms/windows/qwindowscontext.cpp
@@ -988,8 +988,10 @@ bool QWindowsContext::windowsProc(HWND hwnd, UINT message,
             d->m_creationContext->obtainedGeometry.moveTo(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
             return true;
         case QtWindows::NonClientCreate:
-            if (QSysInfo::windowsVersion() >= QSysInfo::WV_WINDOWS10 && d->m_creationContext->window->isTopLevel())
+            if (QSysInfo::windowsVersion() >= QSysInfo::WV_WINDOWS10 && d->m_creationContext->window->isTopLevel()
+                && !d->m_creationContext->window->property(QWindowsWindow::embeddedNativeParentHandleProperty).isValid()) {
                 enableNonClientDpiScaling(msg.hwnd);
+            }
             return false;
         case QtWindows::CalculateSize:
             return QWindowsGeometryHint::handleCalculateSize(d->m_creationContext->customMargins, msg, result);
diff --git a/src/plugins/platforms/windows/qwindowsmousehandler.cpp b/src/plugins/platforms/windows/qwindowsmousehandler.cpp
index 0e15ab08c1..af4304cb19 100644
--- a/src/plugins/platforms/windows/qwindowsmousehandler.cpp
+++ b/src/plugins/platforms/windows/qwindowsmousehandler.cpp
@@ -387,12 +387,13 @@ bool QWindowsMouseHandler::translateMouseEvent(QWindow *window, HWND hwnd,
                 && (!hasCapture || currentWindowUnderMouse == window))
             || (m_previousCaptureWindow && window != m_previousCaptureWindow && currentWindowUnderMouse
                 && currentWindowUnderMouse != m_previousCaptureWindow)) {
+            QPoint localPosition;
             qCDebug(lcQpaEvents) << "Entering " << currentWindowUnderMouse;
-            if (QWindowsWindow *wumPlatformWindow = QWindowsWindow::windowsWindowOf(currentWindowUnderMouse))
+            if (QWindowsWindow *wumPlatformWindow = QWindowsWindow::windowsWindowOf(currentWindowUnderMouse)) {
+                localPosition = wumPlatformWindow->mapFromGlobal(globalPosition);
                 wumPlatformWindow->applyCursor();
-            QWindowSystemInterface::handleEnterEvent(currentWindowUnderMouse,
-                                                     currentWindowUnderMouse->mapFromGlobal(globalPosition),
-                                                     globalPosition);
+            }
+            QWindowSystemInterface::handleEnterEvent(currentWindowUnderMouse, localPosition, globalPosition);
         }
         // We need to track m_windowUnderMouse separately from m_trackedWindow, as
         // Windows mouse tracking will not trigger WM_MOUSELEAVE for leaving window when
diff --git a/src/plugins/platforms/windows/qwindowswindow.cpp b/src/plugins/platforms/windows/qwindowswindow.cpp
index 513bad35aa..3e445f0f7f 100644
--- a/src/plugins/platforms/windows/qwindowswindow.cpp
+++ b/src/plugins/platforms/windows/qwindowswindow.cpp
@@ -515,7 +515,7 @@ void WindowCreationData::fromWindow(const QWindow *w, const Qt::WindowFlags flag
     // Sometimes QWindow doesn't have a QWindow parent but does have a native parent window,
     // e.g. in case of embedded ActiveQt servers. They should not be considered a top-level
     // windows in such cases.
-    QVariant prop = w->property("_q_embedded_native_parent_handle");
+    QVariant prop = w->property(QWindowsWindow::embeddedNativeParentHandleProperty);
     if (prop.isValid()) {
         embedded = true;
         parentHandle = reinterpret_cast<HWND>(prop.value<WId>());
@@ -1062,6 +1062,8 @@ QWindowCreationContext::QWindowCreationContext(const QWindow *w,
     \ingroup qt-lighthouse-win
 */
 
+const char *QWindowsWindow::embeddedNativeParentHandleProperty = "_q_embedded_native_parent_handle";
+
 QWindowsWindow::QWindowsWindow(QWindow *aWindow, const QWindowsWindowData &data) :
     QWindowsBaseWindow(aWindow),
     m_data(data),
@@ -1859,7 +1861,7 @@ bool QWindowsWindow::isFullScreen_sys() const
     if (testFlag(HasBorderInFullScreen))
         geometry += QMargins(1, 1, 1, 1);
     QPlatformScreen *screen = screenForGeometry(geometry);
-    return screen && geometry == QHighDpi::toNativePixels(screen->geometry(), screen);
+    return screen && geometry == screen->geometry();
 }
 
 /*!
diff --git a/src/plugins/platforms/windows/qwindowswindow.h b/src/plugins/platforms/windows/qwindowswindow.h
index 3308dfb239..f0789e5167 100644
--- a/src/plugins/platforms/windows/qwindowswindow.h
+++ b/src/plugins/platforms/windows/qwindowswindow.h
@@ -334,6 +334,8 @@ public:
     void setHasBorderInFullScreen(bool border);
     static QString formatWindowTitle(const QString &title);
 
+    static const char *embeddedNativeParentHandleProperty;
+
 private:
     inline void show_sys() const;
     inline QWindowsWindowData setWindowFlags_sys(Qt::WindowFlags wt, unsigned flags = 0) const;