1 files changed, 33 insertions, 0 deletions
diff --git a/src/gui/kernel/qplatformscreen_qpa.cpp b/src/gui/kernel/qplatformscreen_qpa.cpp
index 86dc0bd588..3fdb809137 100644
--- a/src/gui/kernel/qplatformscreen_qpa.cpp
+++ b/src/gui/kernel/qplatformscreen_qpa.cpp
@@ -164,6 +164,39 @@ QDpi QPlatformScreen::logicalDpi() const
                 25.4 * s.height() / ps.height());
 }
 
+/*!
+    Reimplement this function in subclass to return the primary orientation
+    of the screen, i.e. the orientation the display controller or equivalent
+    expects.
+
+    The default implementation returns Qt::PortraitOrientation if the
+    geometry's height is greater or Qt::LandscapeOrientation if the geometry's
+    width is greater.
+*/
+Qt::ScreenOrientation QPlatformScreen::primaryOrientation() const
+{
+    return geometry().height() > geometry().width() ? Qt::PortraitOrientation :
+        Qt::LandscapeOrientation;
+}
+
+/*!
+    Reimplement this function in subclass to return the current orientation
+    of the screen, for example based on accelerometer data to determine
+    the physical screen orientation.
+
+    The current orientation is only a hint to the application saying
+    what the preferred application orientation should be, the application
+    is free to limit itself to a certain set of supported orientations.
+
+    The default implementation returns the same as primaryOrientation().
+
+    \sa primaryOrientation()
+*/
+Qt::ScreenOrientation QPlatformScreen::currentOrientation() const
+{
+    return primaryOrientation();
+}
+
 QPlatformScreen * QPlatformScreen::platformScreenForWindow(const QWindow *window)
 {
     return window->screen()->handle();