timelinewidget: show cache status in timeline too

app/panel/timebased/timebased.cpp

@@ -91,6 +91,11 @@ ViewerOutput *TimeBasedPanel::GetConnectedViewer() const
   return widget_->GetConnectedNode();
 }
 
+TimeRuler *TimeBasedPanel::ruler() const
+{
+  return widget_->ruler();
+}
+
 void TimeBasedPanel::ConnectViewerNode(ViewerOutput *node)
 {
   if (widget_->GetConnectedNode()) {

app/panel/timebased/timebased.h

@@ -18,6 +18,8 @@ public:
 
   ViewerOutput* GetConnectedViewer() const;
 
+  TimeRuler* ruler() const;
+
   virtual void ZoomIn() override;
 
   virtual void ZoomOut() override;

app/panel/viewer/viewerbase.cpp

@@ -32,3 +32,8 @@ void ViewerPanelBase::ConnectTimeBasedPanel(TimeBasedPanel *panel)
   connect(panel, &TimeBasedPanel::ShuttleStopRequested, this, &ViewerPanelBase::ShuttleStop);
   connect(panel, &TimeBasedPanel::ShuttleRightRequested, this, &ViewerPanelBase::ShuttleRight);
 }
+
+VideoRenderBackend *ViewerPanelBase::video_renderer() const
+{
+  return static_cast<ViewerWidget*>(GetTimeBasedWidget())->video_renderer();
+}

app/panel/viewer/viewerbase.h

@@ -20,6 +20,8 @@ public:
 
   void ConnectTimeBasedPanel(TimeBasedPanel* panel);
 
+  VideoRenderBackend* video_renderer() const;
+
 };
 
 #endif // VIEWERPANELBASE_H

app/widget/timebased/timebased.h

@@ -48,12 +48,12 @@ public slots:
 
   void GoToNextCut();
 
+  TimeRuler* ruler() const;
+
 protected slots:
   void SetTimeAndSignal(const int64_t& t);
 
 protected:
-  TimeRuler* ruler() const;
-
   QScrollBar* scrollbar() const;
 
   virtual void TimebaseChangedEvent(const rational&) override;

app/widget/timelinewidget/timelinewidget.cpp

@@ -205,6 +205,7 @@ void TimelineWidget::ConnectNodeInternal(ViewerOutput *n)
   connect(n, &ViewerOutput::TrackHeightChanged, this, &TimelineWidget::TrackHeightChanged);
 
   SetTimebase(n->video_params().time_base());
+  UpdateTimelineLength(n->Length());
 
   for (int i=0;i<views_.size();i++) {
     Timeline::TrackType track_type = static_cast<Timeline::TrackType>(i);
@@ -566,6 +567,7 @@ void TimelineWidget::UpdateTimelineLength(const rational &length)
   foreach (TimelineAndTrackView* view, views_) {
     view->view()->SetEndTime(length);
   }
+  ruler()->SetCacheStatusLength(length);
 }
 
 TimelineWidget::Tool *TimelineWidget::GetActiveTool()

app/window/mainwindow/mainwindow.cpp

@@ -90,6 +90,8 @@ MainWindow::MainWindow(QWidget *parent) :
   connect(curve_panel_, &CurvePanel::TimeChanged, viewer_panel_, &ViewerPanel::SetTime);
   connect(curve_panel_, &CurvePanel::TimeChanged, timeline_panel_, &TimelinePanel::SetTime);
   connect(curve_panel_, &CurvePanel::TimeChanged, param_panel_, &ParamPanel::SetTime);
+  connect(viewer_panel_->video_renderer(), &VideoRenderBackend::CachedTimeReady, timeline_panel_->ruler(), &TimeRuler::CacheTimeReady);
+  connect(viewer_panel_->video_renderer(), &VideoRenderBackend::RangeInvalidated, timeline_panel_->ruler(), &TimeRuler::CacheInvalidatedRange);
 
   viewer_panel_->ConnectTimeBasedPanel(timeline_panel_);
   viewer_panel_->ConnectTimeBasedPanel(param_panel_);