Fix drag and drop with createWindowContainer

Forward dnd events to the QWindow, exactly like QQuickWidget would do.
This of course requires setting setAcceptDrops(true) on the container widget.

Task-number: QTBUG-39213
Change-Id: I8ea49e630b071dc0aacd53f798d9b46b03502365
Reviewed-by: Gunnar Sletta <gunnar@sletta.org>

1 files changed, 11 insertions, 0 deletions

diff --git a/src/widgets/kernel/qwindowcontainer.cpp b/src/widgets/kernel/qwindowcontainer.cpp
index 1770e60c2e..fa906a5aa2 100644
--- a/src/widgets/kernel/qwindowcontainer.cpp
+++ b/src/widgets/kernel/qwindowcontainer.cpp
@@ -295,6 +295,17 @@ bool QWindowContainer::event(QEvent *e)
             }
         }
         break;
+    case QEvent::Drop:
+    case QEvent::DragMove:
+    case QEvent::DragLeave:
+        QCoreApplication::sendEvent(d->window, e);
+        return e->isAccepted();
+    case QEvent::DragEnter:
+        // Don't reject drag events for the entire widget when one
+        // item rejects the drag enter
+        QCoreApplication::sendEvent(d->window, e);
+        e->accept();
+        return true;
     default:
         break;
     }