Add containsPress property to MouseArea

It is very common to use pressed and containsMouse properties
together to highlight a pressed item, e.g.

    property bool highlighted: pressed && containsMouse

The containsPress property allows simplification and optimization of
user code.

[ChangeLog][QtQuick] Add containsPress property to MouseArea

Task-number: QTBUG-40130
Change-Id: Ie286d431154eb37a99e57e4cf881d68d7cbbe31d
Reviewed-by: Martin Jones <martin.jones@jollamobile.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/tests/auto/quick/qquickmousearea/data/containsPress.qml b/tests/auto/quick/qquickmousearea/data/containsPress.qml
new file mode 100644
index 0000000000..367c73c175
--- /dev/null
+++ b/tests/auto/quick/qquickmousearea/data/containsPress.qml
@@ -0,0 +1,20 @@
+import QtQuick 2.4
+
+Item {
+    width: 500
+    height: 500
+
+    Rectangle {
+        width: 300
+        height: 300
+        color: mouseArea.containsPress ? "red" : "grey"
+        x: 100
+        y: 100
+
+        MouseArea {
+            id: mouseArea
+            objectName: "mouseArea"
+            anchors.fill: parent
+        }
+    }
+}