Initial commit

Lts/Common/LtsTimelineClassic/TimelineHeaderView.h

@@ -0,0 +1,86 @@
+/**
+  * @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
+  */
+
+#pragma once
+
+#include "EventTools.h"
+
+#include <QHeaderView>
+
+
+class QPainter;
+
+namespace LtsTimelineClassic
+{
+
+/**
+ * @brief replaces the original header of the view - offers a user-movable position mark
+ * since Qt does NOT provide delegates for QHeaderViews (although it inherits from QAbstractItemView),
+ * we must reimplement this class and use paintSection(..) instead
+ */
+class TimelineHeaderView : public QHeaderView
+{
+  Q_OBJECT
+
+public:
+  explicit TimelineHeaderView(QWidget *parent = nullptr);
+
+  /**
+   * @brief refreshes the header view data, which triggers all views to refresh also
+   */
+  void refreshData();
+  void setLiveTime(qint64 time);
+
+private:
+  qint64 m_posMarkTime; // posMarkTime is set exactly ONE time when clicked on the header > then the time will be et'd so that posMarkPos can vary
+  QRect m_paintingRange; // seen from the widget itself (so y is 0!)
+  // double posMark; DO NOT USE POSMARK INSTEAD OF POSMARKTIME !
+  qint64 m_liveTime;
+
+protected:
+  /**
+   * @brief paints the coherant section with a position mark (if set)
+   * @param painter painter which draws on the coherant section
+   * @param rect boundaries to draw in
+   * @param logicalIndex which section to draw on
+   */
+  void paintSection(QPainter *painter, const QRect &rect, int logicalIndex) const;
+
+signals:
+  /**
+   * @brief gives new position mark pixel position to the view
+   * @param pos pixel position of new position mark
+   */
+  void signalSetPosMarkPos(int pos); // header clicked -> new position mark position
+
+public slots:
+
+  /**
+   * @brief sets new values to this class
+   * @param index affected column
+   * @param oldSize old width of column
+   * @param newSize new width of column
+   */
+  void slotSectionResized(int logicalIndex, int oldSize, int newSize);
+
+  /**
+   * @brief setPosMarkTime sets m_posMarkTime - should be called if posMarker was set manually, not with mouse in header!
+   * @param time time to set the posMarker's position to
+   */
+  void setPosMarkTime(qint64 time);
+
+private:
+
+  /**
+   * @brief sets new position of the position mark in all necessary classes
+   */
+  void setPosMarkPos();
+};
+
+}