diff options
Diffstat (limited to 'src/widgets/graphicsview/qgraphicsscene.cpp')
| -rw-r--r-- | src/widgets/graphicsview/qgraphicsscene.cpp | 52 |
1 files changed, 26 insertions, 26 deletions
diff --git a/src/widgets/graphicsview/qgraphicsscene.cpp b/src/widgets/graphicsview/qgraphicsscene.cpp index 3b40f32e07..0db338550f 100644 --- a/src/widgets/graphicsview/qgraphicsscene.cpp +++ b/src/widgets/graphicsview/qgraphicsscene.cpp @@ -1,12 +1,11 @@ /**************************************************************************** ** -** Copyright (C) 2021 The Qt Company Ltd. +** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtWidgets module of the Qt Toolkit. ** -** $QT_BEGIN_LICENSE:COMM$ -** +** $QT_BEGIN_LICENSE:LGPL$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the @@ -15,25 +14,26 @@ ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** -** $QT_END_LICENSE$ -** -** -** -** -** -** -** -** -** -** -** -** -** -** -** -** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. ** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. ** +** $QT_END_LICENSE$ ** ****************************************************************************/ @@ -1852,7 +1852,7 @@ void QGraphicsScene::render(QPainter *painter, const QRectF &target, const QRect item discovery functions like items() and itemAt(). Indexing is most efficient for static scenes (i.e., where items don't move around). For dynamic scenes, or scenes with many animated items, the index bookkeeping - can outweight the fast lookup speeds. + can outweigh the fast lookup speeds. For the common case, the default index method BspTreeIndex works fine. If your scene uses many animations and you are experiencing slowness, you can @@ -2480,7 +2480,7 @@ void QGraphicsScene::destroyItemGroup(QGraphicsItemGroup *group) } /*! - Adds or moves the \a item and all its childen to this scene. + Adds or moves the \a item and all its children to this scene. This scene takes ownership of the \a item. If the item is visible (i.e., QGraphicsItem::isVisible() returns @@ -4142,15 +4142,15 @@ void QGraphicsScene::mouseReleaseEvent(QGraphicsSceneMouseEvent *mouseEvent) /*! This event handler, for event \a mouseEvent, can be reimplemented - in a subclass to receive mouse doubleclick events for the scene. + in a subclass to receive mouse double-click events for the scene. If someone doubleclicks on the scene, the scene will first receive a mouse press event, followed by a release event (i.e., a click), - then a doubleclick event, and finally a release event. If the - doubleclick event is delivered to a different item than the one + then a double-click event, and finally a release event. If the + double-click event is delivered to a different item than the one that received the first press and release, it will be delivered as a press event. However, tripleclick events are not delivered as - doubleclick events in this case. + double-click events in this case. The default implementation is similar to mousePressEvent(). |