barebones prototype of timeline/clip functionality

app/widget/timelineview/timelineview.cpp

@@ -1,16 +1,29 @@
 #include "timelineview.h"
 
+#include "timelineviewclipitem.h"
+
 TimelineView::TimelineView(QWidget *parent) :
-  QGraphicsView(parent),
-  sequence_(nullptr)
+  QGraphicsView(parent)
 {
 }
 
-void TimelineView::SetSequence(Sequence *s)
+void TimelineView::AddClip(ClipBlock *clip)
+{
+  TimelineViewClipItem* clip_item = new TimelineViewClipItem();
+  clip_item->SetClip(clip);
+  scene_.addItem(clip_item);
+
+  // FIXME: Test code only
+  clip_item->setRect(clip->in().ToDouble(), 0, clip->out().ToDouble(), 100);
+  // End test code
+}
+
+void TimelineView::SetScale(const double &scale)
+{
+  scale_ = scale;
+}
+
+void TimelineView::Clear()
 {
   scene_.clear();
-
-  sequence_ = s;
-
-  QList<Node*> sequence_nodes = sequence_->nodes();
 }