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https://github.com/OPM/ResInsight.git
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113 lines
4.1 KiB
C++
113 lines
4.1 KiB
C++
/////////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2022- Equinor ASA
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//
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// ResInsight is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
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// for more details.
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//
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/////////////////////////////////////////////////////////////////////////////////
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#include "RiuQtChartsToolTip.h"
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#include <QtCharts/QChart>
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#include <QtGui/QFontMetrics>
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#include <QtGui/QMouseEvent>
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#include <QtGui/QPainter>
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#include <QtWidgets/QGraphicsSceneMouseEvent>
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using namespace QtCharts;
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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RiuQtChartsToolTip::RiuQtChartsToolTip( QChart* chart, QtCharts::QAbstractSeries* series )
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: QGraphicsItem( chart )
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, m_chart( chart )
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, m_series( series )
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, m_radius( 10 )
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{
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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QRectF RiuQtChartsToolTip::boundingRect() const
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{
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QPointF anchor = mapFromParent( m_chart->mapToPosition( m_anchor, m_series ) );
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QRectF rect = m_rect.united( m_textRect );
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rect.setLeft( std::min( rect.left(), anchor.x() ) );
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rect.setRight( std::max( rect.right(), anchor.x() ) );
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rect.setTop( std::min( rect.top(), anchor.y() ) );
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rect.setBottom( std::max( rect.bottom(), anchor.y() ) );
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return rect;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RiuQtChartsToolTip::paint( QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget )
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{
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Q_UNUSED( option )
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Q_UNUSED( widget )
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QPainterPath path;
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QPointF anchor = mapFromParent( m_chart->mapToPosition( m_anchor, m_series ) );
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path.addEllipse( anchor, m_radius, m_radius );
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path = path.simplified();
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painter->setPen( QPen( Qt::black ) );
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painter->drawPath( path );
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painter->drawText( m_textRect, m_text );
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RiuQtChartsToolTip::setSeries( QAbstractSeries* series )
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{
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m_series = series;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RiuQtChartsToolTip::setText( const QString& text )
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{
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m_text = text;
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QFontMetrics metrics( m_font );
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m_textRect = metrics.boundingRect( QRect( 0, 0, 150, 150 ), Qt::AlignLeft, m_text );
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m_textRect.translate( m_radius, 0 );
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prepareGeometryChange();
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m_rect.setRect( -m_radius, -m_radius, m_radius, m_radius );
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m_rect.moveCenter( QPoint( m_radius, m_radius ) );
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RiuQtChartsToolTip::setAnchor( QPointF point )
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{
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m_anchor = point;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RiuQtChartsToolTip::updateGeometry()
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{
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prepareGeometryChange();
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setPos( m_chart->mapToPosition( m_anchor, m_series ) );
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}
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