File indexing completed on 2024-04-21 03:50:59

 /*
     SPDX-FileCopyrightText: 2014 Andreas Xavier
     SPDX-FileCopyrightText: 2014 Inge Wallin <inge@lysator.liu.se>
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 // Own
 #include "barwidget.h"
 
 // Qt
 #include <QDebug>
 #include <QPainter>
 #include <QPainterPath>
 #include <QPen>
 
 // KDE
 #include <KLocalizedString>
 
 // Parley
 #include "collectionwidget.h" // for COLLWIDTH, etc
 
 // FIXME: Find a better home for this variable.
 ConfidenceColors globalColors = ConfidenceColors();
 
 BarWidget::BarWidget(QWidget *parent)
     : QWidget(parent)
 {
 }
 
 BarWidget::BarWidget(WordCount *dueWords, QWidget *parent)
     : QWidget(parent)
 {
     QPalette palette(BarWidget::palette());
     palette.setColor(backgroundRole(), Qt::white);
     setPalette(palette);
 
     for (int i = 0; i <= KV_MAX_GRADE; i++) {
         m_dueWords[i] = dueWords->grades[i];
     }
     m_totalDueWords = dueWords->totalWords;
     m_percentageCompleted = dueWords->percentageCompleted();
 }
 
 void BarWidget::setDue(WordCount &wc)
 {
     for (int i = 0; i <= KV_MAX_GRADE; ++i) {
         m_dueWords[i] = wc.grades[i];
     }
     m_totalDueWords = wc.totalWords;
 
     update();
 }
 
 void BarWidget::paintEvent(QPaintEvent *)
 {
     QPainter painter(this);
     painter.setRenderHint(QPainter::Antialiasing, true);
     const int legendWidth = COLLWIDTH - 10;
     const int legendHeight = 45;
     const int legendOffsetY = 0;
     const int legendOffsetX = 0;
     // const int alphaValueIncrement = 35;
 
     int gradeBarWidth[9];
     gradeBarWidth[8] = 0;
     int gradeBarOffset[9];
     gradeBarOffset[8] = 0;
 
     // qDebug() << "percentage completed: " << m_percentageCompleted;
     // qDebug() << "Total due words: " << m_totalDueWords;
 
     if (m_percentageCompleted < 100) {
         for (int j = 7; j >= 0; j--) {
             gradeBarWidth[j] = std::max(0.0, static_cast<double>(m_dueWords[j]) / static_cast<double>(m_totalDueWords) * legendWidth);
             gradeBarOffset[j] = gradeBarOffset[j + 1] + gradeBarWidth[j + 1];
         }
     } else {
         for (int j = 6; j >= 0; j--) {
             gradeBarWidth[j] = 0;
             gradeBarOffset[j] = legendWidth;
         }
         gradeBarWidth[7] = legendWidth;
         gradeBarOffset[7] = 0;
     }
     if (m_percentageCompleted < 100 && m_totalDueWords == 0) {
         for (int j = 6; j >= 0; j--) {
             gradeBarWidth[j] = 0;
             gradeBarOffset[j] = legendWidth;
         }
         gradeBarWidth[7] = legendWidth;
         gradeBarOffset[7] = 0;
     }
 
     QPen penBar(QColor(255, 255, 255));
     painter.setPen(penBar);
     QRectF roundedRect(0, 0, legendWidth, legendHeight);
     roundedRect.adjust(1, 1, -1, -1);
     QPainterPath roundedPath;
     roundedPath.addRoundedRect(roundedRect, 8.0, 8.0);
 
     for (int i = 7; i >= 0; i--) {
         QRectF barElement(0 + legendOffsetX + gradeBarOffset[i], 0 + legendOffsetY, gradeBarWidth[i], legendHeight);
         QPainterPath barElementPath;
         barElementPath.addRect(barElement);
         QPainterPath barElementIntersectedPath = roundedPath.intersected(barElementPath);
         QColor color;
         if (m_totalDueWords == 0 && m_percentageCompleted < 100) {
             color = QColor(0, 0, 0, 128);
         } else {
             color = globalColors.longTermColors[i];
         }
         painter.setBrush(QBrush(color));
         painter.drawPath(barElementIntersectedPath);
     }
 
     QPen pen(QColor(255, 255, 255));
     // QPen pen(QColor(0, 0, 0));
     painter.setPen(pen);
     if (m_percentageCompleted < 100) {
         painter.drawText(0, 0, legendWidth, legendHeight, Qt::AlignCenter | Qt::TextWordWrap, i18np("%1 word due", "%1 words due", m_totalDueWords));
     } else {
         painter.drawText(0, 0, legendWidth, legendHeight, Qt::AlignCenter | Qt::TextWordWrap, i18n("Fully learned"));
     }
 }