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, 3 insertions, 0 deletions

diff --git a/src/quick/items/qquickmousearea_p.h b/src/quick/items/qquickmousearea_p.h
index c564a78c3c..d303852311 100644
--- a/src/quick/items/qquickmousearea_p.h
+++ b/src/quick/items/qquickmousearea_p.h
@@ -73,6 +73,7 @@ class Q_QUICK_PRIVATE_EXPORT QQuickMouseArea : public QQuickItem
 #ifndef QT_NO_CURSOR
     Q_PROPERTY(Qt::CursorShape cursorShape READ cursorShape WRITE setCursorShape RESET unsetCursor NOTIFY cursorShapeChanged)
 #endif
+    Q_PROPERTY(bool containsPress READ containsPress NOTIFY containsPressChanged REVISION 1)
 
 public:
     QQuickMouseArea(QQuickItem *parent=0);
@@ -86,6 +87,7 @@ public:
 
     bool hovered() const;
     bool pressed() const;
+    bool containsPress() const;
 
     Qt::MouseButtons pressedButtons() const;
 
@@ -135,6 +137,7 @@ Q_SIGNALS:
     void entered();
     void exited();
     void canceled();
+    Q_REVISION(1) void containsPressChanged();
 
 protected:
     void setHovered(bool);