Add framestrut mouse events.

- Add infrastructure to QWindowSystemInterface.
- Add a setter for enabling framestrut events
  to QPlatformWindow.
- Add Windows implementation, pass keyboard modifiers.

QDockWidget relies on it for docking.

Task-number: QTBUG-26296
Change-Id: I9d84b356e9a5eb341f57b6f51f34b6b494ff7f87
Reviewed-by: Jørgen Lind <jorgen.lind@nokia.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/src/plugins/platforms/windows/qwindowscontext.cpp b/src/plugins/platforms/windows/qwindowscontext.cpp
index 891753215d..ba32369c03 100644
--- a/src/plugins/platforms/windows/qwindowscontext.cpp
+++ b/src/plugins/platforms/windows/qwindowscontext.cpp
@@ -817,9 +817,12 @@ bool QWindowsContext::windowsProc(HWND hwnd, UINT message,
 #endif
     case QtWindows::ExposeEvent:
         return platformWindow->handleWmPaint(hwnd, message, wParam, lParam);
+    case QtWindows::NonClientMouseEvent:
+        if (platformWindow->frameStrutEventsEnabled())
+            return d->m_mouseHandler.translateMouseEvent(platformWindow->window(), hwnd, et, msg, result);
+        break;
     case QtWindows::MouseWheelEvent:
     case QtWindows::MouseEvent:
-    case QtWindows::NonClientMouseEvent:
     case QtWindows::LeaveEvent:
         return d->m_mouseHandler.translateMouseEvent(platformWindow->window(), hwnd, et, msg, result);
     case QtWindows::TouchEvent: