File indexing completed on 2023-05-30 10:45:25

 /*
     SPDX-FileCopyrightText: 2009-2011 Peter Hedlund <peter.hedlund@kdemail.net>
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "kwqcardscene.h"
 
 #include <QFontMetrics>
 #include <QGraphicsSceneMouseEvent>
 #include <QGraphicsDropShadowEffect>
 #include <QTextOption>
 #include <QTextDocument>
 
 static const int cardWidth = 500;
 static const int cardHeight = 300;
 static const int cardMargin = 20;
 static const int textMargin = 30;
 static const int shadowOffset = 2;
 
 KWQCardScene::KWQCardScene(QObject *parent) : QGraphicsScene(parent)
 {
     QGraphicsDropShadowEffect *shadowEffect = new QGraphicsDropShadowEffect(this);
     shadowEffect->setBlurRadius(5);
     shadowEffect->setOffset(shadowOffset);
 
     m_card = addRect(0, 0, cardWidth, cardHeight);
     m_card->setGraphicsEffect(shadowEffect);
 
     m_line = addLine(cardMargin, cardMargin * 3, cardWidth - cardMargin, cardMargin * 3);
     m_identifier = addSimpleText(QLatin1String(""));
 
     QFont f = m_identifier->font();
     f.setPixelSize(cardMargin);
     m_identifier->setFont(f);
     m_identifier->setPos(cardMargin, cardMargin);
 
     m_textArea = addRect(textMargin, cardMargin * 4, cardWidth - (textMargin * 2), cardHeight - (cardMargin * 5));
     m_textArea->setPen(Qt::NoPen);
     m_textArea->setFlag(QGraphicsItem::ItemClipsChildrenToShape, true);
     m_textArea->setZValue(4);
 
     m_text = addText(QLatin1String(""));
     m_text->setTextWidth(cardWidth - (textMargin * 2));
     f.setPointSize(12);
     m_text->setParentItem(m_textArea);
 
     m_pixmap = new KWQPixmapItem(QPixmap(), m_card);
     m_pixmap->setImageRect(QRect(textMargin, cardMargin * 4, cardWidth - (textMargin * 2), cardHeight - (cardMargin * 5)));
 
     setIdentifier(QLatin1String(""));
     setText(QLatin1String(""));
     setTextColor(Qt::blue);
     setTextFont(f);
     setCardColor(Qt::white);
     setFrameColor(Qt::red);
 }
 
 const QSize KWQCardScene::minimumSizeHint() const
 {
     int width = cardWidth / 10;
     int height = cardHeight / 10;
     return QSize((width) + 10, (height) + 10);  // the +10 is to provide padding and to avoid scrollbars
 }
 
 void KWQCardScene::setIdentifier(const QString &identifier)
 {
     QFontMetrics fm(m_identifier->font());
     QString s = fm.elidedText(identifier, Qt::ElideRight, cardWidth - (textMargin * 2));
     m_identifier->setText(identifier);
 }
 
 void KWQCardScene::setText(const QString &text)
 {
     QTextOption option = m_text->document()->defaultTextOption();
     option.setAlignment(Qt::AlignCenter);
     m_text->document()->setDefaultTextOption(option);
     m_text->setPlainText(text);
     repositionText();
 }
 
 void KWQCardScene::setTextColor(const QColor &textColor)
 {
     m_text->setDefaultTextColor(textColor);
 }
 
 void KWQCardScene::setTextFont(const QFont &font)
 {
     m_text->setFont(font);
     repositionText();
 }
 
 void KWQCardScene::setCardColor(const QColor &cardColor)
 {
     m_card->setBrush(QBrush(cardColor));
     m_textArea->setBrush(QBrush(cardColor));
 }
 
 void KWQCardScene::setFrameColor(const QColor &frameColor)
 {
     m_card->setPen(QPen(frameColor));
     m_line->setPen(QPen(frameColor));
 }
 
 void KWQCardScene::setImage(const QPixmap &image)
 {
     realign(image.isNull());
     m_pixmap->setPixmap(image);
     repositionText();
 }
 
 void KWQCardScene::realign(bool textOnly)
 {
     if (textOnly) {
         m_textArea->setRect(textMargin, cardMargin * 4, cardWidth - (textMargin * 2), cardHeight - (cardMargin * 5));
     } else {
         m_pixmap->setImageRect(QRect(textMargin, cardMargin * 4, (cardWidth / 2) - textMargin,  cardHeight - (cardMargin * 5)));
         m_textArea->setRect((cardWidth / 2), cardMargin * 4, (cardWidth / 2) - textMargin, cardHeight - (cardMargin * 5));
     }
 }
 
 void KWQCardScene::repositionText()
 {
     int h = 0;
 
     if (m_pixmap->pixmap().isNull()) {
         h = ((cardMargin * 4) + ((cardHeight - (cardMargin * 5)) - m_text->boundingRect().height()) / 2);
         m_text->setTextWidth(cardWidth - (textMargin * 2));
         m_text->setPos(textMargin, h);
     } else {
         h = ((cardMargin * 4) + ((cardHeight - (cardMargin * 5)) - m_textArea->boundingRect().height()) / 2);
         m_pixmap->setPos(textMargin, h);
         h = ((cardMargin * 4) + ((cardHeight - (cardMargin * 5)) - m_text->boundingRect().height()) / 2);
         m_text->setTextWidth((cardWidth / 2) - textMargin);
         m_text->setPos((cardWidth + (cardWidth / 2) - m_text->boundingRect().width() - textMargin) / 2, h);
     }
 }
 
 void KWQCardScene::mouseReleaseEvent(QGraphicsSceneMouseEvent *mouseEvent)
 {
     QGraphicsItem *item = itemAt(mouseEvent->scenePos(), QTransform());
     if (item != 0)
         Q_EMIT cardClicked();
     QGraphicsScene::mouseReleaseEvent(mouseEvent);
 }