forked from qt-creator/qt-creator
91 lines
3.0 KiB
C
91 lines
3.0 KiB
C
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/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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****************************************************************************/
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#pragma once
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#include "baseitem.h"
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#include <QGraphicsScene>
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QT_FORWARD_DECLARE_CLASS(QGraphicsItem)
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namespace ScxmlEditor {
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namespace PluginInterface {
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class GraphicsScene;
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class ConnectableItem;
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class InitialStateItem;
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class BaseItem;
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class ScxmlTag;
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/**
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* Namespace SceneUtils includes some usable function to manipulate the data of the items.
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*/
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namespace SceneUtils {
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ScxmlTag *addChild(ScxmlTag *tag, const QVariantMap &data, GraphicsScene *scene);
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ScxmlTag *addNewTag(ScxmlTag *parent, TagType type, GraphicsScene *scene);
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ConnectableItem *createItem(ItemType type, const QPointF &pos = QPointF());
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ConnectableItem *createItemByTagType(TagType type, const QPointF &pos = QPointF());
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ScxmlTag *createTag(ItemType type, ScxmlDocument *document);
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bool canDrop(int parentType, int childType);
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QVector<ScxmlTag*> findCopyTags(const QVector<BaseItem*> &items, QPointF &minPos);
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QVector<ScxmlTag*> findRemovedTags(const QVector<BaseItem*> &items);
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void layout(const QList<QGraphicsItem*> &items);
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bool isSomeSelected(QGraphicsItem *item);
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void moveTop(BaseItem *item, GraphicsScene *scene);
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bool isChild(const QGraphicsItem *parent, const QGraphicsItem *child);
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template <class T>
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bool hasSiblingStates(T *item)
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{
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if (item) {
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QList<QGraphicsItem*> children;
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QGraphicsItem *parentItem = item->parentItem();
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if (parentItem) {
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children = parentItem->childItems();
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} else if (item->scene()) {
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foreach (QGraphicsItem *it, item->scene()->items()) {
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if (!it->parentItem())
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children << it;
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}
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}
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foreach (QGraphicsItem *it, children) {
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if (it != item && it->type() == item->type()) {
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return true;
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}
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}
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}
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return false;
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}
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} // namespace SceneUtils
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} // namespace PluginInterface
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} // namespace ScxmlEditor
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