forked from qt-creator/qt-creator
8b444f88eb
Task-number: QTCREATORBUG-27464 Change-Id: Ic439470b7c23022fee6acbf0cdaba7760309edb0 Reviewed-by: <github-actions-qt-creator@cristianadam.eu> Reviewed-by: Alessandro Portale <alessandro.portale@qt.io>
118 lines
3.7 KiB
C++
118 lines
3.7 KiB
C++
/****************************************************************************
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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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#include "parallelitem.h"
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#include "scxmldocument.h"
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#include "scxmltagutils.h"
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#include <QPainter>
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using namespace ScxmlEditor::PluginInterface;
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ParallelItem::ParallelItem(const QPointF &pos, BaseItem *parent)
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: StateItem(pos, parent)
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{
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m_pixmap = QPixmap(":/scxmleditor/images/parallel_icon.png");
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updatePolygon();
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}
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void ParallelItem::updatePolygon()
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{
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StateItem::updatePolygon();
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int cap = m_titleRect.height() * 0.2;
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m_pixmapRect = m_titleRect.adjusted(m_titleRect.width() - m_titleRect.height(), cap, -cap, -cap).toRect();
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}
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void ParallelItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
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{
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StateItem::paint(painter, option, widget);
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painter->save();
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painter->setRenderHint(QPainter::Antialiasing, true);
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painter->setOpacity(getOpacity());
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painter->drawPixmap(m_pixmapRect, m_pixmap);
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painter->restore();
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}
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void ParallelItem::doLayout(int d)
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{
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if (depth() != d)
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return;
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// 1. Find children items
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QVector<StateItem*> children;
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const QList<QGraphicsItem *> items = childItems();
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for (QGraphicsItem *it : items) {
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if (it->type() >= StateType) {
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auto itt = qgraphicsitem_cast<StateItem*>(it);
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if (itt)
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children << itt;
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}
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}
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// 2. Adjust sizes
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for (StateItem *itt : qAsConst(children))
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itt->shrink();
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qreal maxw = 0;
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for (StateItem *itt : qAsConst(children)) {
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QRectF rr = itt->boundingRect();
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maxw = qMax(rr.width(), maxw);
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}
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for (StateItem *itt : qAsConst(children)) {
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QRectF rr = itt->boundingRect();
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if (!qFuzzyCompare(rr.width(), maxw))
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rr.setWidth(maxw);
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itt->setItemBoundingRect(rr);
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}
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// 3. Relocate children-states
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// a) sort list
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QVector<StateItem*> sortedList;
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while (!children.isEmpty()) {
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qreal minTop = children.first()->boundingRect().top();
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int minTopIndex = 0;
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for (int i = 1; i < children.count(); ++i) {
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qreal top = children[i]->boundingRect().top();
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if (top < minTop) {
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minTop = top;
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minTopIndex = i;
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}
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}
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sortedList << children.takeAt(minTopIndex);
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}
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// b) relocate items
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for (int i = 1; i < sortedList.count(); ++i) {
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QRectF br1 = sortedList[i - 1]->sceneBoundingRect();
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QRectF br2 = sortedList[i]->sceneBoundingRect();
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sortedList[i]->moveStateBy(br1.left() - br2.left(), br1.bottom() + 10 - br2.top());
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}
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// 4. Shrink parallel-state
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shrink();
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}
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