MouseArea shouldn't grab the mouse until there is an effective drag.

A MouseArea shouldn't prevent a parent MouseArea or Flickable from
handling a drag event unless it is going to do something useful with
it.

Task-number: 29717
Change-Id: I24016994f6cf9116382ef7faeb50b10e5716e10e
Reviewed-by: Alan Alpert <aalpert@rim.com>

1 files changed, 44 insertions, 0 deletions

diff --git a/tests/auto/quick/qquickmousearea/data/nestedStopAtBounds.qml b/tests/auto/quick/qquickmousearea/data/nestedStopAtBounds.qml
new file mode 100644
index 0000000000..1fd39bb321
--- /dev/null
+++ b/tests/auto/quick/qquickmousearea/data/nestedStopAtBounds.qml
@@ -0,0 +1,44 @@
+import QtQuick 2.0
+
+Rectangle {
+    width: 400
+    height: 400
+
+    MouseArea {
+        id: outer
+        objectName: "outer"
+        x: 50
+        y: 50
+        width: 300
+        height: 300
+
+        drag.target: outer
+        drag.filterChildren: true
+
+        Rectangle {
+            anchors.fill: parent
+            color: "yellow"
+        }
+
+        MouseArea {
+            id: inner
+            objectName: "inner"
+
+            x: 0
+            y: 0
+            width: 200
+            height: 200
+
+            drag.target: inner
+            drag.minimumX: 0
+            drag.maximumX: 100
+            drag.minimumY: 0
+            drag.maximumY: 100
+
+            Rectangle {
+                anchors.fill: parent
+                color: "blue"
+            }
+        }
+    }
+}