diff options
Diffstat (limited to 'src/gui/graphicsview/qgraphicswidget.cpp')
-rw-r--r-- | src/gui/graphicsview/qgraphicswidget.cpp | 57 |
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); |