QmlDesigner.propertyEditor add notifier for QWidget::visible

src/plugins/qmldesigner/components/propertyeditor/basicwidgets.cpp

@@ -138,6 +138,8 @@ class QWidgetDeclarativeUI : public QObject
 
     Q_PROPERTY(bool mouseOver READ mouseOver NOTIFY mouseOverChanged)
 
+    Q_PROPERTY(bool visible READ visible WRITE setVisible NOTIFY visibleChanged)
+
     Q_CLASSINFO("DefaultProperty", "children")
 
 signals:
@@ -148,6 +150,7 @@ signals:
     void focusChanged();
     void mouseOverChanged();
     void opacityChanged();
+    void visibleChanged();
 
 public:
     QWidgetDeclarativeUI(QObject *other) : QObject(other), _layout(0), _graphicsOpacityEffect(0) {
@@ -192,6 +195,11 @@ public:
         emit mouseOverChanged();
     }
 
+     void emitVisibleChanged()
+     {
+         emit visibleChanged();
+     }
+
     QmlListProperty<QObject> children() {
         return QmlListProperty<QObject>(this, 0, children_append, children_count, children_at, children_clear);
     }
@@ -250,6 +258,14 @@ public:
         return q->y();
     }
 
+    bool visible() const {
+        return q->isVisible();
+    }
+
+    void setVisible(bool visible) {
+        q->setVisible(visible);
+    }
+
     int globalY() const {
         if (q->parentWidget())
             return q->mapToGlobal(QPoint(1,y())).y();
@@ -511,6 +527,13 @@ bool ResizeEventFilter::eventFilter(QObject *obj, QEvent *event)
                 m_dui_target->emitMouseOverChanged();
                 return QObject::eventFilter(obj, event);
         }
+    } else if ((event->type() == QEvent::Show) || (event->type() == QEvent::Hide)) {
+        if (obj
+            && obj->isWidgetType()
+            && obj == m_target) {
+                m_dui_target->emitVisibleChanged();
+                return QObject::eventFilter(obj, event);
+        }
     }
     return QObject::eventFilter(obj, event);
 }