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-rw-r--r--src/gui/graphicsview/qgraphicsscene.cpp28
1 files changed, 17 insertions, 11 deletions
diff --git a/src/gui/graphicsview/qgraphicsscene.cpp b/src/gui/graphicsview/qgraphicsscene.cpp
index 182a3f5..c80b314 100644
--- a/src/gui/graphicsview/qgraphicsscene.cpp
+++ b/src/gui/graphicsview/qgraphicsscene.cpp
@@ -1561,7 +1561,10 @@ QGraphicsScene::QGraphicsScene(qreal x, qreal y, qreal width, qreal height, QObj
}
/*!
- Destroys the QGraphicsScene object.
+ Removes and deletes all items from the scene object
+ before destroying the scene object. The scene object
+ is removed from the application's global scene list,
+ and it is removed from all associated views.
*/
QGraphicsScene::~QGraphicsScene()
{
@@ -2443,23 +2446,26 @@ void QGraphicsScene::destroyItemGroup(QGraphicsItemGroup *group)
}
/*!
- Adds or moves the item \a item and all its childen to the scene.
+ Adds or moves the \a item and all its childen to this scene.
+ This scene takes ownership of the \a item.
If the item is visible (i.e., QGraphicsItem::isVisible() returns
true), QGraphicsScene will emit changed() once control goes back
to the event loop.
- If the item is already in a different scene, it will first be removed from
- its old scene, and then added to this scene as a top-level.
+ If the item is already in a different scene, it will first be
+ removed from its old scene, and then added to this scene as a
+ top-level.
- QGraphicsScene will send ItemSceneChange notifications to \a item while
- it is added to the scene. If item does not currently belong to a scene, only one
- notification is sent. If it does belong to scene already (i.e., it is
- moved to this scene), QGraphicsScene will send an addition notification as
- the item is removed from its previous scene.
+ QGraphicsScene will send ItemSceneChange notifications to \a item
+ while it is added to the scene. If item does not currently belong
+ to a scene, only one notification is sent. If it does belong to
+ scene already (i.e., it is moved to this scene), QGraphicsScene
+ will send an addition notification as the item is removed from its
+ previous scene.
- If the item is a panel, the scene is active, and there is no active panel
- in the scene, then the item will be activated.
+ If the item is a panel, the scene is active, and there is no
+ active panel in the scene, then the item will be activated.
\sa removeItem(), addEllipse(), addLine(), addPath(), addPixmap(),
addRect(), addText(), addWidget(), {QGraphicsItem#Sorting}{Sorting}