Initial commit

Lts/Common/LtsTimelineClassic/TimelineHeaderView.cpp

@@ -0,0 +1,155 @@
+/**
+  * @RDE_HEADER@
+  * replaces the original header of the view - offers a user-movable position mark
+  * $Id$
+  * $HeadURL$
+  * $Author$
+  * Created by Mike Wille, SLSE, 2014-10-01
+  */
+
+#include "TimelineWidget.h"
+#include "TimelineHeaderView.h"
+
+#include <QPainter>
+#include <QPainterPath>
+#include <QPen>
+#include <QPoint>
+#include <QRect>
+#include <QGuiApplication>
+
+
+namespace LtsTimelineClassic
+{
+
+TimelineHeaderView::TimelineHeaderView(QWidget *parent)
+  : QHeaderView(Qt::Horizontal, parent)
+  , m_posMarkTime(0)
+  , m_paintingRange(rect()) // has to be reset @ slotSectionResized
+  , m_liveTime(0)
+{
+  setSectionsClickable(true);
+
+  setStretchLastSection(true); // so that the whole viewport is filled with the last section (Event Section)
+
+  connect(this, &TimelineHeaderView::sectionResized,
+          this, &TimelineHeaderView::slotSectionResized);
+  // now wait for slotSectionResized (which is definitly going to be called)
+}
+
+#define GET_LOGGER NGL::NGLLoggerBootstrap::getNGLRootLogger().getNGLLogger("Timeline.HeaderView")
+
+void TimelineHeaderView::setPosMarkTime(qint64 time)
+{
+  m_posMarkTime = time;
+  refreshData(); // new value, now recalc and show on view
+}
+
+void TimelineHeaderView::setLiveTime(qint64 time)
+{
+  m_liveTime = time;
+  refreshData(); // new value, now recalc and show on view
+}
+
+void TimelineHeaderView::setPosMarkPos()
+{
+  //QRect sectionRect(0, 0, sectionSize(1), 0);
+
+  if (m_posMarkTime > 0) // must be a valid time
+  {
+    int posMarkPos = EventTools::getEventPosition(m_posMarkTime);//, sectionRect);
+    emit signalSetPosMarkPos(posMarkPos);
+    refreshData();
+  }
+}
+
+void TimelineHeaderView::refreshData()
+{
+  if (EventTools::getTimelineMin() > 0 && EventTools::getTimelineMax() > 1)
+  {
+    updateSection(1);
+    updateSection(0); // because this section is often drawn on when position is very low
+  }
+}
+
+void TimelineHeaderView::slotSectionResized(int logicalIndex, int oldSize, int newSize)
+{
+  (void)oldSize;
+
+  if (logicalIndex == 1)
+    m_paintingRange = QRect(0, 0, newSize, height());
+
+  refreshData();
+}
+
+void TimelineHeaderView::paintSection(QPainter *painter, const QRect &rect, int logicalIndex) const
+{
+  painter->save(); // otherwise we can not draw.... dunno what paintSection does wrong
+  QHeaderView::paintSection(painter, rect, logicalIndex);
+  painter->restore(); // s.a.
+
+  // draw posMark
+  if (logicalIndex == 1)
+  {
+    int h = (rect.height() / 3);
+    int y = rect.height() - h;
+    int w = h;
+
+    //QRect sectionRect(sectionPosition(1), 0, sectionSize(1), 0);
+
+    painter->save();
+    painter->setClipping(true);
+
+    if (m_posMarkTime != 0) // if user changed posMark to a valid value
+    {
+      double posMark = EventTools::getEventPosition(m_posMarkTime);//, sectionRect);
+      int x = /*sectionPosition(1)*/ + posMark;
+
+      if (x >= sectionPosition(1))
+      {
+        painter->setPen(QPen(QGuiApplication::palette().color(QPalette::Inactive, QPalette::Highlight)));
+        painter->setBrush(QGuiApplication::palette().highlight());
+
+        QPolygon pol;
+        pol.append(QPoint(x + (-w / 2), y + 0)); // p1
+        pol.append(QPoint(x + 0,        y + h)); // p2
+        pol.append(QPoint(x + (w / 2),  y + 0)); // p3
+        pol.append(QPoint(x + (-w / 2), y + 0)); // p1
+
+        QPainterPath path;
+        path.moveTo(x, y);
+        path.addPolygon(pol);
+
+        painter->drawPath(path);
+      }
+    }
+
+
+    if (m_liveTime != 0)
+    {
+      int posLive = EventTools::getEventPosition(m_liveTime);//, sectionRect);
+      int x = posLive;
+
+      if (x >= sectionPosition(1))
+      {
+        painter->setPen(QPen(QColor("green")));
+        painter->setBrush(QBrush(QColor("green")));
+
+        QPolygon pol;
+        pol.append(QPoint(x + (-w / 2), y + 0)); // p1
+        pol.append(QPoint(x + 0,        y + h)); // p2
+        pol.append(QPoint(x + (w / 2),  y + 0)); // p3
+        pol.append(QPoint(x + (-w / 2), y + 0)); // p1
+
+        QPainterPath path;
+        path.moveTo(x, y);
+        path.addPolygon(pol);
+
+        painter->drawPath(path);
+      }
+    }
+
+    painter->restore();
+  }
+}
+
+}