Continues migration with DDS, Common

Lts/Common/LtsTimelineClassic/EventGraphic.cpp

@@ -0,0 +1,175 @@
+
+
+
+
+#include "EventGraphic.h"
+
+#include <QPainter>
+#include <QPen>
+#include <QBrush>
+#include <QGuiApplication>
+#include <QPoint>
+#include <QPalette>
+
+
+#include <QDebug>
+
+
+namespace LtsTimelineClassic
+{
+
+EventGraphic::EventGraphic(Event *event)
+  : m_lowest(0)
+  , m_duration(-1)
+  , m_isMultipleEvent(false)
+{
+  m_eventList += event;
+}
+
+
+void EventGraphic::addEvent(Event *event)
+{
+  if (event == nullptr)
+    return;
+
+  m_eventList += event;
+  m_isMultipleEvent = true; 
+  m_lowest = 0; 
+  m_duration = -1; 
+}
+
+
+void EventGraphic::addEventList(const QVector<Event *> &eventList)
+{
+  if (eventList.isEmpty())
+    return;
+
+  m_eventList += eventList;
+  m_isMultipleEvent = true; 
+  m_lowest = 0; 
+  m_duration = -1; 
+}
+
+
+qint64 EventGraphic::getDuration()
+{
+  if (m_duration != -1)
+    return m_duration;
+
+  qint64 highestDuration = 0;
+  qint64 lowest = lowestTime();
+
+  for (Event *event : qAsConst(m_eventList))
+  {
+    
+    
+    
+    
+    
+
+    qint64 duration = (event->startTime() - lowest) + event->duration();
+
+    if (duration > highestDuration)
+      highestDuration = duration;
+  }
+
+  if (highestDuration < 0)
+  {
+    qWarning() << "duration < 0 !!" << highestDuration;
+    Q_ASSERT(false);
+    return 0;
+  }
+
+  m_duration = highestDuration;
+  return m_duration;
+}
+
+
+qint64 EventGraphic::lowestTime() const
+{
+  if (m_lowest != 0)
+    return m_lowest; 
+
+  auto i = std::min_element(m_eventList.begin(), m_eventList.end(), [](const Event *a, const Event *b)
+  {
+    return a->startTime() < b->startTime();
+  });
+
+  if (i == m_eventList.end())
+    return 0;
+
+  m_lowest = (*i)->startTime();
+  return m_lowest;
+}
+
+
+bool EventGraphic::isMultipleEvent() const
+{
+  return m_isMultipleEvent;
+}
+
+
+void EventGraphic::drawEventGraphic(QPainter *painter, const QRect &rect) const
+{
+  painter->save();
+
+  painter->setPen(QPen(QBrush(QGuiApplication::palette().text()), 1.0));
+
+  if (isMultipleEvent())
+    Event::drawMultipleEventGraphic(painter, rect);
+  else
+  {
+    Event *e = m_eventList.first();
+
+    if (e == nullptr)
+    {
+      painter->restore();
+      return;
+    }
+
+    painter->setBrush(QBrush(e->getColor()));
+
+    if (e->getPaintFunc() == nullptr)
+    {
+      painter->restore();
+      return;
+    }
+
+    e->getPaintFunc()(painter, rect);
+  }
+
+  painter->restore();
+}
+
+
+void EventGraphic::drawDurationBackground(QPainter *painter, const QRect &rect) const 
+{
+  painter->save();
+  if (!isMultipleEvent())
+  {
+    Event *e = m_eventList.first();
+
+    if (e == nullptr)
+    {
+      painter->restore();
+      return;
+    }
+
+    painter->setBrush(QBrush(e->getColor())); 
+    painter->setPen(QPen(QBrush(e->getColor()), 0)); 
+  }
+  else
+  {
+    painter->setBrush(QBrush(QColor("white"))); 
+  }
+
+  painter->drawRect(rect.adjusted(0, 0, -2, 0));
+
+  painter->setPen(QPen(QBrush(QGuiApplication::palette().text()), 1.0)); 
+
+  painter->drawLine(rect.topLeft(), rect.topRight());
+  painter->drawLine(rect.bottomLeft() + QPoint(0, 1), rect.bottomRight() + QPoint(1, 1));
+  painter->restore();
+}
+
+}