derived classes for timeline objects

app/widget/timelineview/timelineview.cpp

@@ -109,7 +109,12 @@ void TimelineView::mousePressEvent(QMouseEvent *event)
       TimelineViewGhostItem* ghost = new TimelineViewGhostItem();
       TimelineViewClipItem* clip_item = static_cast<TimelineViewClipItem*>(item);
 
-      ghost->setRect(clip_item->rect());
+      ClipBlock* clip = clip_item->clip();
+
+      ghost->SetIn(clip->in());
+      ghost->SetOut(clip->out());
+      ghost->SetTimebase(timebase_);
+
       ghost->setPos(clip_item->pos());
 
       ghost_items_.append(ghost);

app/widget/timelineview/timelineviewclipitem.cpp

@@ -34,6 +34,11 @@ TimelineViewClipItem::TimelineViewClipItem(QGraphicsItem* parent) :
   setFlag(QGraphicsItem::ItemIsSelectable, true);
 }
 
+ClipBlock *TimelineViewClipItem::clip()
+{
+  return clip_;
+}
+
 void TimelineViewClipItem::SetClip(ClipBlock *clip)
 {
   clip_ = clip;

app/widget/timelineview/timelineviewclipitem.h

@@ -30,6 +30,7 @@ class TimelineViewClipItem : public TimelineViewRect
 public:
   TimelineViewClipItem(QGraphicsItem* parent = nullptr);
 
+  ClipBlock* clip();
   void SetClip(ClipBlock* clip);
 
 protected:

app/widget/timelineview/timelineviewghostitem.cpp

@@ -23,8 +23,31 @@
 #include <QPainter>
 
 TimelineViewGhostItem::TimelineViewGhostItem(QGraphicsItem *parent) :
-  QGraphicsRectItem(parent)
+  TimelineViewRect(parent)
 {
   setBrush(Qt::NoBrush);
-  setPen(QPen(Qt::yellow, 2));
+  setPen(QPen(Qt::yellow, 2)); // FIXME: Make customizable via CSS
+}
+
+void TimelineViewGhostItem::SetIn(const rational &in)
+{
+  in_ = in;
+
+  UpdateRect();
+}
+
+void TimelineViewGhostItem::SetOut(const rational &out)
+{
+  out_ = out;
+
+  UpdateRect();
+}
+
+void TimelineViewGhostItem::UpdateRect()
+{
+  rational length = out_ - in_;
+
+  setRect(0, 0, TimeToScreenCoord(length), 100);
+
+  setPos(TimeToScreenCoord(in_), 0);
 }

app/widget/timelineview/timelineviewghostitem.h

@@ -21,15 +21,24 @@
 #ifndef TIMELINEVIEWGHOSTITEM_H
 #define TIMELINEVIEWGHOSTITEM_H
 
-#include <QGraphicsRectItem>
+#include "timelineviewrect.h"
 
-class TimelineViewGhostItem : public QGraphicsRectItem
+class TimelineViewGhostItem : public TimelineViewRect
 {
 public:
   TimelineViewGhostItem(QGraphicsItem* parent = nullptr);
 
+  void SetIn(const rational& in);
+  void SetOut(const rational& out);
+
 protected:
+  virtual void UpdateRect() override;
+
 //  virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = nullptr) override;
+
+private:
+  rational in_;
+  rational out_;
 };
 
 #endif // TIMELINEVIEWGHOSTITEM_H