forked from qt-creator/qt-creator
66435024a4
Replaced the usages of deprecated QWheelEvent::delta() with QWheelEvent::angleDelta().y(), assuming that it's acceptable to use only the vertical component of angle delta. Task-number: QTBUG-76491 Change-Id: I4aa0a5a0e9ba7f33321bdb879b66ffb589b53e42 Reviewed-by: Eike Ziller <eike.ziller@qt.io>
106 lines
3.0 KiB
C++
106 lines
3.0 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 "navigatorgraphicsview.h"
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#include "graphicsscene.h"
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#include "graphicsview.h"
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#include <QWheelEvent>
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using namespace ScxmlEditor::Common;
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NavigatorGraphicsView::NavigatorGraphicsView(QWidget *parent)
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: QGraphicsView(parent)
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{
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setInteractive(false);
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setViewportUpdateMode(FullViewportUpdate);
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}
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void NavigatorGraphicsView::setGraphicsScene(ScxmlEditor::PluginInterface::GraphicsScene *s)
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{
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if (scene())
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scene()->disconnect(this);
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setScene(s);
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if (s)
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connect(s, &PluginInterface::GraphicsScene::sceneRectChanged, this, &NavigatorGraphicsView::updateView);
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}
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void NavigatorGraphicsView::setMainViewPolygon(const QPolygonF &pol)
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{
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m_mainViewPolygon = mapFromScene(pol);
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updateView();
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}
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void NavigatorGraphicsView::updateView()
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{
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fitInView(sceneRect()); //, Qt::KeepAspectRatio);
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update();
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}
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void NavigatorGraphicsView::paintEvent(QPaintEvent *e)
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{
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QGraphicsView::paintEvent(e);
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QPainter p(viewport());
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p.save();
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p.setBrush(Qt::NoBrush);
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p.setPen(Qt::red);
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p.drawPolygon(m_mainViewPolygon);
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p.restore();
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}
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void NavigatorGraphicsView::wheelEvent(QWheelEvent *event)
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{
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if (Qt::ControlModifier & event->modifiers()) {
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if (event->angleDelta().y() > 0)
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emit zoomIn();
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else
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emit zoomOut();
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emit moveMainViewTo(mapToScene(event->pos()));
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} else
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QGraphicsView::wheelEvent(event);
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}
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void NavigatorGraphicsView::mousePressEvent(QMouseEvent *event)
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{
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m_mouseDown = true;
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emit moveMainViewTo(mapToScene(event->pos()));
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QGraphicsView::mousePressEvent(event);
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}
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void NavigatorGraphicsView::mouseReleaseEvent(QMouseEvent *event)
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{
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Q_UNUSED(event)
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m_mouseDown = false;
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}
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void NavigatorGraphicsView::mouseMoveEvent(QMouseEvent *event)
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{
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if (m_mouseDown)
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emit moveMainViewTo(mapToScene(event->pos()));
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}
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