qpa: Add note about QScreen taking care of primary screen during removal

Change-Id: I31b4ed6e6597e22172dcca7180750f1392b9ad68
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>

1 files changed, 2 insertions, 1 deletions

diff --git a/src/gui/kernel/qwindowsysteminterface.cpp b/src/gui/kernel/qwindowsysteminterface.cpp
index 4f1056e906..ba04f8701d 100644
--- a/src/gui/kernel/qwindowsysteminterface.cpp
+++ b/src/gui/kernel/qwindowsysteminterface.cpp
@@ -828,7 +828,8 @@ void QWindowSystemInterface::handleScreenAdded(QPlatformScreen *ps, bool isPrima
 */
 void QWindowSystemInterface::handleScreenRemoved(QPlatformScreen *platformScreen)
 {
-    // Important to keep this order since the QSceen doesn't own the platform screen
+    // Important to keep this order since the QSceen doesn't own the platform screen.
+    // The QScreen destructor will take care changing the primary screen, so no need here.
     delete platformScreen->screen();
     delete platformScreen;
 }