File indexing completed on 2024-05-12 04:04:16

 /*
     This file is part of Knights, a chess board for KDE SC 4.
     SPDX-FileCopyrightText: 2009, 2010, 2011 Miha Čančula <miha@noughmad.eu>
 
     SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
 */
 
 #include "proto/seekgraph.h"
 #include "proto/ficsprotocol.h"
 
 #include <KPlotObject>
 #include <KPlotPoint>
 #include <KPlotAxis>
 #include <KLocalizedString>
 
 #include <QPainter>
 #include <QMouseEvent>
 
 using namespace Knights;
 
 SeekGraph::SeekGraph ( QWidget* parent ) : KPlotWidget ( parent ) {
     setBackgroundColor( Qt::white );
     setShowGrid(true);
     setForegroundColor( Qt::black );
     setGridColor( QColor::fromRgb(220,220,220) );
     axis ( BottomAxis )->setLabel ( i18n("Time limit [minutes]") );
     axis ( LeftAxis )->setLabel ( i18n("Opponent's rating") );
     setMouseTracking(true);
 }
 
 SeekGraph::~SeekGraph() = default;
 
 void SeekGraph::paintEvent ( QPaintEvent* event ) {
     QFrame::paintEvent( event );
     QPainter p;
 
     p.begin( this );
     p.setRenderHint( QPainter::Antialiasing, true );
     p.fillRect( rect(), backgroundColor() );
     p.translate( leftPadding() + 0.5, topPadding() + 0.5 );
 
     p.setClipping( false );
     drawAxes( &p );
 
     setPixRect();
     p.setClipRect( pixRect() );
     p.setClipping( true );
 
     resetPlotMask();
 
     for (KPlotObject *po : plotObjects())
         po->draw( &p, this );
 
     p.end();
 }
 
 void SeekGraph::mouseMoveEvent ( QMouseEvent* event ) {
     bool isOverPoint = false;
     for (KPlotObject* o : plotObjects()) {
         if ( o->points().isEmpty() )
             continue;
         QPointF d = mapToWidget ( o->points().first()->position()) - event->pos() + QPoint(leftPadding(), topPadding());
         if ( d.x() * d.x() + d.y() * d.y() < 64.0 ) {
             isOverPoint = true;
             break;
         }
     }
     if ( isOverPoint ) {
         setCursor( Qt::PointingHandCursor );
         event->accept();
     } else {
         setCursor( Qt::ArrowCursor );
         event->ignore();
     }
 }
 
 void SeekGraph::mouseReleaseEvent ( QMouseEvent* event ) {
     for (KPlotObject* o : plotObjects()) {
         if ( o->points().isEmpty() )
             continue;
         QPointF d = mapToWidget ( o->points().first()->position()) - event->pos() + QPoint(leftPadding(), topPadding());
         if ( d.x() * d.x() + d.y() * d.y() < 64.0 ) {
             Q_EMIT seekClicked ( m_objects.key(o) );
             return;
         }
     }
 }
 
 void SeekGraph::removeSeek ( int id ) {
     m_objects.value(id)->clearPoints();
     update();
 }
 
 void SeekGraph::addSeek ( const FicsGameOffer& offer ) {
     KPlotObject* object = new KPlotObject;
     QPen labelPen = object->labelPen();
     labelPen.setColor(Qt::black);
     object->setLabelPen(labelPen);
     QPointF point = QPointF( offer.baseTime, offer.player.second );
     object->addPoint( point, QLatin1Char(' ') + offer.player.first + QLatin1String(" (") + QString::number(offer.player.second) +  QLatin1String(") ") );
     object->setBrush( QBrush(Qt::blue) );
     object->setSize(8.0);
     addPlotObject(object);
     QRectF pRect = QRectF( point - QPointF(2,50), QSizeF(5,100) );
     setRect ( m_dataRect.isValid() ? m_dataRect.united(pRect) : pRect );
     m_objects.insert ( offer.gameId, object );
     m_pointIds.insert ( object->points().first(), offer.gameId );
     update();
 }
 
 void SeekGraph::clearOffers() {
     m_objects.clear();
     m_pointIds.clear();
     removeAllPlotObjects();
     update();
 }
 
 void SeekGraph::setRect ( const QRectF rect ) {
     m_dataRect = rect;
     setLimits ( rect.left(), rect.right(), rect.top(), rect.bottom() );
 }
 
 #include "moc_seekgraph.cpp"