headergraphicsitem.cpp

#include "headergraphicsitem.h"

#include <QBrush>
#include <QPainter>
#include <QApplication>
#include <QScreen>
#include <QStyleOptionGraphicsItem>

#include "defines.h"

namespace DJ
{
    namespace View
    {

        HeaderGraphicsItem::HeaderGraphicsItem(double screenWidth, QGraphicsItem *parent)
            : QObject(), QGraphicsItem(parent)
        {
            this->screenWidth = screenWidth;

            QFont font("Courier new");
            font.setPixelSize(16);
            font.setItalic(true);

            QFontMetrics fm(font);

            this->setCacheMode(DeviceCoordinateCache);

            this->rankTextItem = new QGraphicsSimpleTextItem("Rank", this);
            this->rankTextItem->setPos(LEFT_MARGIN, HEADER_HEIGHT - fm.height());
            this->rankTextItem->setPen(QPen(Qt::white));
            this->rankTextItem->setBrush(QBrush(Qt::white));
            this->rankTextItem->setFont(font);

            this->nameTextItem = new QGraphicsSimpleTextItem("Name", this);
            this->nameTextItem->setPos(LEFT_MARGIN + RANK_WIDTH, HEADER_HEIGHT - fm.height());
            this->nameTextItem->setPen(QPen(Qt::white));
            this->nameTextItem->setBrush(QBrush(Qt::white));
            this->nameTextItem->setFont(font);

            this->timeTextItem = new QGraphicsSimpleTextItem("Time", this);
            this->timeTextItem->setPos(QApplication::primaryScreen()->geometry().width() - RIGHT_MARGIN - fm.horizontalAdvance("Time"), HEADER_HEIGHT - fm.height());
            this->timeTextItem->setPen(QPen(Qt::white));
            this->timeTextItem->setBrush(QBrush(Qt::white));
            this->timeTextItem->setFont(font);

            this->solvedTextItem = new QGraphicsSimpleTextItem("Solved", this);
            this->solvedTextItem->setPos(QApplication::primaryScreen()->geometry().width() - RIGHT_MARGIN - TIME_WIDTH - fm.horizontalAdvance("Solved"), HEADER_HEIGHT - fm.height());
            this->solvedTextItem->setPen(QPen(Qt::white));
            this->solvedTextItem->setBrush(QBrush(Qt::white));
            this->solvedTextItem->setFont(font);
        }

        QRectF HeaderGraphicsItem::boundingRect() const
        {
            return QRectF(0, 0, screenWidth, HEADER_HEIGHT);
        }

        void HeaderGraphicsItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *)
        {
            painter->setClipRect(option->exposedRect);
            QFont font("Courier new");
            font.setPixelSize(16);
            font.setItalic(true);

            QFontMetrics fm(font);

            this->rankTextItem->setPos(LEFT_MARGIN, HEADER_HEIGHT - fm.height());
            this->nameTextItem->setPos(LEFT_MARGIN + RANK_WIDTH, HEADER_HEIGHT - fm.height());
            this->timeTextItem->setPos(QApplication::primaryScreen()->geometry().width() - RIGHT_MARGIN - fm.horizontalAdvance("Time"), HEADER_HEIGHT - fm.height());
            this->solvedTextItem->setPos(QApplication::primaryScreen()->geometry().width() - RIGHT_MARGIN - TIME_WIDTH - fm.horizontalAdvance("Solved"), HEADER_HEIGHT - fm.height());

            QLinearGradient gradient(0, 0, screenWidth, 0);
            gradient.setColorAt(0, QColor(0, 0, 0));
            gradient.setColorAt(0.5, QColor(56, 56, 56));
            gradient.setColorAt(1, QColor(0, 0, 0));
            QBrush brush(gradient);
            brush.setStyle(Qt::LinearGradientPattern);
            painter->setBrush(brush);
            painter->setPen(Qt::NoPen);
            painter->drawRect(0, 0, screenWidth, HEADER_HEIGHT);
            painter->setPen(Qt::white);
            painter->drawLine(0, HEADER_HEIGHT - 1, screenWidth, HEADER_HEIGHT - 1);
        }

    } // namespace View
} // namespace DJ