176 lines
2.9 KiB
C++
Executable File
176 lines
2.9 KiB
C++
Executable File
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#include "EventGraphic.h"
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#include <QPainter>
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#include <QPen>
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#include <QBrush>
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#include <QGuiApplication>
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#include <QPoint>
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#include <QPalette>
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#include <QDebug>
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namespace LtsTimelineClassic
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{
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EventGraphic::EventGraphic(Event *event)
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: m_lowest(0)
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, m_duration(-1)
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, m_isMultipleEvent(false)
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{
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m_eventList += event;
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}
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void EventGraphic::addEvent(Event *event)
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{
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if (event == nullptr)
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return;
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m_eventList += event;
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m_isMultipleEvent = true;
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m_lowest = 0;
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m_duration = -1;
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}
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void EventGraphic::addEventList(const QVector<Event *> &eventList)
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{
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if (eventList.isEmpty())
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return;
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m_eventList += eventList;
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m_isMultipleEvent = true;
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m_lowest = 0;
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m_duration = -1;
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}
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qint64 EventGraphic::getDuration()
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{
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if (m_duration != -1)
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return m_duration;
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qint64 highestDuration = 0;
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qint64 lowest = lowestTime();
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for (Event *event : qAsConst(m_eventList))
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{
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qint64 duration = (event->startTime() - lowest) + event->duration();
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if (duration > highestDuration)
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highestDuration = duration;
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}
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if (highestDuration < 0)
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{
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qWarning() << "duration < 0 !!" << highestDuration;
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Q_ASSERT(false);
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return 0;
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}
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m_duration = highestDuration;
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return m_duration;
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}
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qint64 EventGraphic::lowestTime() const
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{
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if (m_lowest != 0)
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return m_lowest;
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auto i = std::min_element(m_eventList.begin(), m_eventList.end(), [](const Event *a, const Event *b)
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{
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return a->startTime() < b->startTime();
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});
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if (i == m_eventList.end())
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return 0;
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m_lowest = (*i)->startTime();
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return m_lowest;
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}
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bool EventGraphic::isMultipleEvent() const
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{
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return m_isMultipleEvent;
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}
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void EventGraphic::drawEventGraphic(QPainter *painter, const QRect &rect) const
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{
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painter->save();
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painter->setPen(QPen(QBrush(QGuiApplication::palette().text()), 1.0));
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if (isMultipleEvent())
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Event::drawMultipleEventGraphic(painter, rect);
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else
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{
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Event *e = m_eventList.first();
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if (e == nullptr)
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{
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painter->restore();
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return;
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}
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painter->setBrush(QBrush(e->getColor()));
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if (e->getPaintFunc() == nullptr)
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{
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painter->restore();
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return;
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}
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e->getPaintFunc()(painter, rect);
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}
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painter->restore();
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}
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void EventGraphic::drawDurationBackground(QPainter *painter, const QRect &rect) const
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{
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painter->save();
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if (!isMultipleEvent())
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{
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Event *e = m_eventList.first();
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if (e == nullptr)
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{
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painter->restore();
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return;
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}
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painter->setBrush(QBrush(e->getColor()));
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painter->setPen(QPen(QBrush(e->getColor()), 0));
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}
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else
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{
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painter->setBrush(QBrush(QColor("white")));
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}
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painter->drawRect(rect.adjusted(0, 0, -2, 0));
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painter->setPen(QPen(QBrush(QGuiApplication::palette().text()), 1.0));
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painter->drawLine(rect.topLeft(), rect.topRight());
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painter->drawLine(rect.bottomLeft() + QPoint(0, 1), rect.bottomRight() + QPoint(1, 1));
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painter->restore();
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}
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}
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