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-rw-r--r--src/gui/graphicsview/qgraphicswidget.cpp57
1 files changed, 53 insertions, 4 deletions
diff --git a/src/gui/graphicsview/qgraphicswidget.cpp b/src/gui/graphicsview/qgraphicswidget.cpp
index 3151e76..c486c45 100644
--- a/src/gui/graphicsview/qgraphicswidget.cpp
+++ b/src/gui/graphicsview/qgraphicswidget.cpp
@@ -324,6 +324,12 @@ void QGraphicsWidget::resize(const QSizeF &size)
*/
/*!
+ \fn QGraphicsWidget::geometryChanged()
+
+ This signal gets emitted whenever the geometry is changed in setGeometry().
+*/
+
+/*!
\property QGraphicsWidget::geometry
\brief the geometry of the widget
@@ -384,13 +390,17 @@ void QGraphicsWidget::setGeometry(const QRectF &rect)
}
QSizeF oldSize = size();
QGraphicsLayoutItem::setGeometry(newGeom);
-
+ emit geometryChanged();
// Send resize event
bool resized = newGeom.size() != oldSize;
if (resized) {
QGraphicsSceneResizeEvent re;
re.setOldSize(oldSize);
re.setNewSize(newGeom.size());
+ if (oldSize.width() != newGeom.size().width())
+ emit widthChanged();
+ if (oldSize.height() != newGeom.size().height())
+ emit heightChanged();
QApplication::sendEvent(this, &re);
}
}
@@ -737,6 +747,17 @@ QSizeF QGraphicsWidget::sizeHint(Qt::SizeHint which, const QSizeF &constraint) c
}
/*!
+ \property QGraphicsWidget::layout
+ \brief The layout of the widget
+*/
+
+/*!
+ \fn void QGraphicsWidget::layoutChanged()
+ This signal gets emitted whenever the layout of the item changes
+ \internal
+*/
+
+/*!
Returns this widget's layout, or 0 if no layout is currently managing this
widget.
@@ -789,6 +810,7 @@ void QGraphicsWidget::setLayout(QGraphicsLayout *l)
l->setParentLayoutItem(this);
l->d_func()->reparentChildItems(this);
l->invalidate();
+ emit layoutChanged();
}
/*!
@@ -967,6 +989,36 @@ 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.
@@ -1047,9 +1099,6 @@ QVariant QGraphicsWidget::itemChange(GraphicsItemChange change, const QVariant &
d->setGeometryFromSetPos();
break;
case ItemParentChange: {
- QGraphicsItem *parent = qVariantValue<QGraphicsItem *>(value);
- d->fixFocusChainBeforeReparenting((parent && parent->isWidget()) ? static_cast<QGraphicsWidget *>(parent) : 0, scene());
-
// Deliver ParentAboutToChange.
QEvent event(QEvent::ParentAboutToChange);
QApplication::sendEvent(this, &event);