Continues migration with DDS, Common

Lts/Common/LtsScriptTimeline/track_header.cpp

@@ -0,0 +1,191 @@
+#include "track_header.h"
+#include "tools.h"
+
+#include <QPainter>
+#include <QBrush>
+#include <QPen>
+#include <QColor>
+#include <QCursor>
+#include <QMouseEvent>
+#include <QFontMetrics>
+#include <QFont>
+#include <QTime>
+#include <QApplication>
+
+#include <QDebug>
+
+
+namespace LtsScriptTimeline
+{
+
+TrackHeader::TrackHeader(QWidget *parent)
+  : QWidget(parent)
+  , m_indicatorTime(-1)
+  , m_textMargin(12)
+  , m_textSpacing(10)
+  , m_indicatorLock(false)
+  , m_tools(nullptr)
+{
+  setCursor(Qt::IBeamCursor);
+
+  m_timeFormat = QStringLiteral("HH:mm:ss"); 
+}
+
+
+void TrackHeader::setTools(Tools *tools)
+{
+  m_tools = tools;
+}
+
+
+void TrackHeader::mousePressEvent(QMouseEvent *event)
+{
+  if (event->buttons() != Qt::LeftButton)
+    return;
+  if (!m_indicatorLock)
+  {
+    setIndicatorTime(m_tools->getTime(event->localPos().x()));
+    emit signalHeaderIndicatorTimeUserChanged(m_indicatorTime);
+  }
+}
+
+
+void TrackHeader::setIndicatorTime(int time)
+{
+  m_indicatorTime = time;
+  emit signalHeaderIndicatorTimeChanged(m_indicatorTime);
+  update();
+}
+
+
+void TrackHeader::recreatePositionLabels()
+{
+  
+  QTime t;
+  t.setHMS(23, 59, 59);
+
+  QFontMetrics fm(QApplication::font());
+  
+#if QT_VERSION < QT_VERSION_CHECK(5, 11, 0)
+  int currentTextWidth = fm.width(t.toString());
+#else
+  int currentTextWidth = fm.horizontalAdvance(t.toString());
+#endif
+
+  if (currentTextWidth < 1 )
+  {
+    qCritical() << "TrackHeader::recreatePositionLabels: invalid text size";
+    return;
+  }
+
+
+  
+  int currentTextWidthTime = m_tools->getDuration(currentTextWidth);
+
+  int time = m_tools->getDuration(m_textMargin);
+  int end = (m_tools->m_timelineLength * 2) + currentTextWidthTime;
+
+  int paintStartTime = m_tools->getTime(0) - currentTextWidthTime; 
+  int paintEndTime   = m_tools->getTime(width() * 2);
+  int count = 0;
+
+  m_positionMarkers.clear();
+
+  
+
+  int textSpacingTime = m_tools->getDuration(m_textSpacing);
+  while (time < end && count < 5000)
+  {
+    
+
+    if (time >= paintStartTime && time <= paintEndTime)
+    {
+      
+      m_positionMarkers.append(m_tools->getPos(time));
+    }
+
+    time += currentTextWidthTime + textSpacingTime;
+    count++;
+  }
+
+  
+
+  update();
+}
+
+
+void TrackHeader::resizeEvent(QResizeEvent *event)
+{
+  recreatePositionLabels();
+
+  QWidget::resizeEvent(event);
+}
+
+
+void TrackHeader::updateMe()
+{
+  recreatePositionLabels();
+  update();
+}
+
+
+void TrackHeader::paintEvent(QPaintEvent *event)
+{
+  QPainter painter(this);
+
+  QWidget::paintEvent(event);
+
+  painter.save();
+
+
+  
+  painter.setPen(QGuiApplication::palette().windowText().color());
+  painter.setBrush(QGuiApplication::palette().window().color());
+
+  painter.drawRect(rect().adjusted(0, 0, -1, -1));
+
+  int h = height();
+
+  
+  if (m_indicatorTime > -1 && m_indicatorTime <= m_tools->getTime(width()))
+  {
+    painter.setPen(QColor("cyan"));
+    int indicatorPos = m_tools->getPos(m_indicatorTime);
+    painter.drawLine(indicatorPos, h - (h / 4), indicatorPos, h);
+  }
+
+
+  
+  painter.setPen(QGuiApplication::palette().windowText().color());
+
+  
+
+  for (auto i = m_positionMarkers.constBegin(); i != m_positionMarkers.constEnd(); ++i)
+  {
+    int pos = *i;
+    
+
+    int time = m_tools->getTime(pos);
+    
+
+    QTime t = QTime::fromMSecsSinceStartOfDay(time * 1000);
+    
+
+    QString x = t.toString(m_timeFormat);
+    
+
+    painter.drawText(pos, h / 2 , x);
+
+    painter.save();
+    painter.setPen(QGuiApplication::palette().link().color());
+    painter.drawLine(pos, (h / 2) + 2, pos, h);  
+    painter.restore();
+
+    
+  }
+
+
+  painter.restore();
+}
+
+}