File indexing completed on 2024-09-01 07:09:24

 /*
     SPDX-FileCopyrightText: 2003 Russell Steffen <rsteffen@bayarea.net>
     SPDX-FileCopyrightText: 2003 Stephan Zehetner <s.zehetner@nevox.org>
     SPDX-FileCopyrightText: 2008-2009 Dmitry Suzdalev <dimsuz@gmail.com>
     SPDX-FileCopyrightText: 2006 Inge Wallin <inge@lysator.liu.se>
     SPDX-FileCopyrightText: 2006 Pierre Ducroquet <pinaraf@gmail.com>
     SPDX-FileCopyrightText: 2011 Jeffrey Kelling <overlordapophis@gmail.com>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "mapitems.h"
 
 #include <QAbstractTextDocumentLayout>
 #include <QBrush>
 #include <QGraphicsScene>
 #include <QPainter>
 #include <QTimer>
 
 #include <KLocalizedString>
 #include <KColorScheme>
 
 #include "mapscene.h"
 #include "map.h"
 #include "../planet.h"
 
 /********************************
     PlanetItem
  *******************************/
 
 PlanetItem::PlanetItem (MapScene *scene, Sector *sector, Game *game)
     : QGraphicsObject(),
       m_scene(scene),
       m_sector(sector),
       m_game(game),
       m_hovered(false),
       m_selected(false),
       m_blinkState(false)
 {
     if (m_sector->planet() != nullptr) {
         m_lookName = QStringLiteral("planet_%1").arg(m_sector->planet()->planetLook() + 1);
     }
     setAcceptHoverEvents(true);
 
     m_blinkTimer = new QTimer(this);
     connect(m_blinkTimer, &QTimer::timeout, this, &PlanetItem::blinkPlanet);
     connect(m_sector, &Sector::update, this, &PlanetItem::updatePlanet);
 }
 
 
 void PlanetItem::updatePlanet()
 {
     Planet  *planet = m_sector->planet();
     if (planet != nullptr) {
         m_lookName = QStringLiteral("planet_%1").arg(planet->planetLook() + 1);
         update();
     }
 }
 
 
 QRectF PlanetItem::boundingRect() const
 {
     qreal size = m_scene->getSectorSize();
     return QRectF(m_sector->coord().y() * size + m_scene->itemsHorizontalOffset(),
                   m_sector->coord().x() * size + m_scene->itemsVerticalOffset(),
                   size,
                   size);
 }
 
 void PlanetItem::paint(QPainter *p, const QStyleOptionGraphicsItem * /*option*/,
                        QWidget * /*widget*/)
 {
     if(!m_sector->planet())
         return;
     // Display a frame around the planet
     if (!m_sector->planet()->player()->isNeutral()) {
         QBrush backBrush = p->brush();
 
         backBrush.setColor(m_sector->planet()->player()->color());
         backBrush.setStyle(Qt::SolidPattern);
 
         p->setOpacity(0.5);
         p->fillRect(boundingRect(), backBrush );
         p->setOpacity(1);
     }
 
     // Display the planet
     qreal sectorSize = m_scene->getSectorSize();
     QPointF sectorTopLeft(m_sector->coord().y() * sectorSize + m_scene->itemsHorizontalOffset(),
                           m_sector->coord().x() * sectorSize + m_scene->itemsVerticalOffset());
 
     QPixmap planetPix = renderPixmap(m_lookName, sectorSize, sectorSize);
     p->drawPixmap(sectorTopLeft, planetPix);
 
     if ( m_hovered || (m_selected && m_blinkState) ) {
         QBrush  backBrush = p->brush();
 
         backBrush.setColor(KColorScheme(QPalette::Active).background().color());
         backBrush.setStyle(Qt::SolidPattern);
 
         p->setOpacity(0.3);
         p->fillRect(boundingRect(), backBrush );
         p->setOpacity(1);
     }
 
     // Show the name of the planet (on top of bkgnd)
 
     QRectF TextRect(sectorTopLeft.x(), sectorTopLeft.y(), sectorSize, sectorSize);
 
     QPixmap nameBackgroundPix = renderPixmap(QStringLiteral("planet_name_background"), sectorSize, sectorSize);
     p->drawPixmap(TextRect.topLeft(), nameBackgroundPix);
     p->setFont(QFont(QStringLiteral("Times"), 16));
     p->drawText(TextRect, m_sector->planet()->name());
 
     // Show the number of ships on the planet.
     if((m_game->options().NeutralsShowShips || !m_sector->planet()->player()->isNeutral())
        && ((!m_game->options().BlindMap || m_game->currentPlayer() == m_sector->planet()->player())
            || (m_game->options().NeutralsShowShips && m_sector->planet()->player()->isNeutral())))
     {
         QString shipCount = QString::number(m_sector->planet()->ships());
 
         QPixmap shipsBackgroundPix = renderPixmap(QStringLiteral("planet_ship_count_background"),
                                                   sectorSize, sectorSize);
         p->drawPixmap(TextRect.topLeft(), shipsBackgroundPix);
         p->setFont(QFont(QStringLiteral("Times"), 16));
         p->drawText(TextRect, Qt::AlignRight | Qt::AlignBottom, shipCount);
     }
 }
 
 QPixmap PlanetItem::renderPixmap( const QString& svgId, int width, int height ) const
 {
     QPixmap pix;
     QString cacheKey = QStringLiteral("%1%2x%3").arg(svgId).arg(width).arg(height);
     if (!m_scene->imageCache()->findPixmap(cacheKey, &pix)) {
         pix = QPixmap(width, height);
         pix.fill(Qt::transparent);
         QPainter pixPainter(&pix);
         m_scene->renderer()->render(&pixPainter, svgId, QRect(0, 0, width, height));
         m_scene->imageCache()->insertPixmap(cacheKey, pix);
     }
 
     return pix;
 }
 
 
 void PlanetItem::hoverEnterEvent( QGraphicsSceneHoverEvent * /*event*/ )
 {
     m_hovered = true;
 
     Planet  *planet = m_sector->planet();
     m_scene->displayPlanetInfo(planet);
 
     update();
 }
 
 void PlanetItem::hoverLeaveEvent( QGraphicsSceneHoverEvent * /*event*/ )
 {
     m_hovered = false;
     m_scene->displayPlanetInfo(nullptr);
 
     update();
 }
 
 
 void PlanetItem::mousePressEvent( QGraphicsSceneMouseEvent * /*event*/ )
 {
     m_selected = true;
     m_blinkTimer->start(500);
     update();
 
     Q_EMIT planetItemSelected(this);
 }
 
 void PlanetItem::select(  )
 {
     m_selected = true;
     m_blinkTimer->start(500);
     update();
 }
 
 void PlanetItem::unselect() {
     m_blinkTimer->stop();
     m_blinkState = false;
     m_selected   = false;
 
     update();
 }
 
 void PlanetItem::blinkPlanet()
 {
     m_blinkState = !m_blinkState;
 
     update();
 }
 
 
 /********************************
     PlanetInfoItem
  *******************************/
 
 
 PlanetInfoItem::PlanetInfoItem (Game *game)
   : QGraphicsItem(),
     m_game(game),
     m_textDoc(),
     m_planet(nullptr)
 {
 }
 
 void PlanetInfoItem::setPlanet (Planet *planet)
 {
     m_planet = planet;
 
     QString  text = i18n("Planet name: %1", planet->name());
     if((m_game->options().NeutralsShowStats || !planet->player()->isNeutral())
        && ((!m_game->options().BlindMap || m_game->currentPlayer() == planet->player())
            || (m_game->options().NeutralsShowStats && planet->player()->isNeutral())))
     {
         text += QLatin1String("<br />") + i18n("Owner: %1", planet->player()->coloredName()
           + (m_game->options().NeutralsShowShips || !planet->player()->isNeutral() ?
              QLatin1String("<br />")
           + i18n("Ships: %1", planet->ships() ) :
              QString()));
         if( m_game->currentPlayer() == planet->player() )
         {
             int shipsNeeded = 0; // determine how many ships will be needed by standing orders
             for (AttackFleet* fleet : planet->player()->standingOrders()) {
                 if(fleet->source == planet)
                     shipsNeeded += fleet->shipCount();
             }
             if(shipsNeeded)
                 text += QLatin1String("<br />") + i18nc("regarding standing orders", "Ships due: %1", shipsNeeded);
         }
         text += QLatin1String("<br />")
           + i18n("Production: %1", planet->production())
           + QLatin1String("<br />")
           + i18n("Kill percent: %1", planet->killPercentage() );
     }
     m_textDoc.setHtml(text);
 }
 
 
 QRectF PlanetInfoItem::boundingRect() const
 {
     return QRectF(0, 0, m_textDoc.idealWidth(), m_textDoc.size().height());
 }
 
 void PlanetInfoItem::paint(QPainter *p,
                            const QStyleOptionGraphicsItem * /*option*/,
                            QWidget * /*widget*/)
 {
     QBrush  brush = p->brush();
 
     const KColorScheme colorScheme(QPalette::Active);
 
     brush.setColor(colorScheme.background().color());
     brush.setStyle(Qt::SolidPattern);
 
     p->setOpacity(0.7);
     p->fillRect(QRectF(0, 0,
                        m_textDoc.idealWidth() + 1,
                        m_textDoc.size().height() + 1),
                 brush);
     p->setOpacity(1.0);
 
     p->save();
     QAbstractTextDocumentLayout::PaintContext ctx;
     ctx.palette.setColor(QPalette::Text, colorScheme.foreground().color());
     m_textDoc.documentLayout()->draw(p, ctx);
     p->restore();
 }
 
 #include "moc_mapitems.cpp"