Added QGraphicsWidget::autoFillBackground property.

This add a property to QGraphicsWidget to fill its
background. QWidget has the same.

Merge-Request: 1656
Reviewed-by: Alexis Menard <alexis.menard@nokia.com>

1 files changed, 30 insertions, 0 deletions

diff --git a/src/gui/graphicsview/qgraphicswidget.cpp b/src/gui/graphicsview/qgraphicswidget.cpp
index fe569f4..1bb6375 100644
--- a/src/gui/graphicsview/qgraphicswidget.cpp
+++ b/src/gui/graphicsview/qgraphicswidget.cpp
@@ -967,6 +967,36 @@ void QGraphicsWidget::setPalette(const QPalette &palette)
 }
 
 /*!
+    \property QGraphicsWidget::autoFillBackground
+    \brief whether the widget background is filled automatically
+    \since 4.7
+
+    If enabled, this property will cause Qt to fill the background of the
+    widget before invoking the paint() method. The color used is defined by the
+    QPalette::Window color role from the widget's \l{QPalette}{palette}.
+
+    In addition, Windows are always filled with QPalette::Window, unless the
+    WA_OpaquePaintEvent or WA_NoSystemBackground attributes are set.
+
+    By default, this property is false.
+
+    \sa Qt::WA_OpaquePaintEvent, Qt::WA_NoSystemBackground,
+*/
+bool QGraphicsWidget::autoFillBackground() const
+{
+    Q_D(const QGraphicsWidget);
+    return d->autoFillBackground;
+}
+void QGraphicsWidget::setAutoFillBackground(bool enabled)
+{
+    Q_D(QGraphicsWidget);
+    if (d->autoFillBackground != enabled) {
+        d->autoFillBackground = enabled;
+        update();
+    }
+}
+
+/*!
     If this widget is currently managed by a layout, this function notifies
     the layout that the widget's size hints have changed and the layout
     may need to resize and reposition the widget accordingly.