panels: selecting a clip in the timeline automatically selects the corresponding

nodes in the nodeview

app/widget/nodeview/nodeview.cpp

@@ -171,6 +171,44 @@ void NodeView::DeselectAll()
   }
 }
 
+void NodeView::Select(const QList<Node *> &nodes)
+{
+  DeselectAll();
+
+  foreach (Node* n, nodes) {
+    NodeViewItem* item = NodeToUIObject(n);
+
+    if (item) {
+      item->setSelected(true);
+    }
+  }
+}
+
+void NodeView::SelectWithDependencies(const QList<Node *> &nodes)
+{
+  DeselectAll();
+
+  QList<Node*> nodes_with_deps;
+
+  foreach (Node* n, nodes) {
+    NodeViewItem* item = NodeToUIObject(n);
+
+    if (item) {
+      item->setSelected(true);
+    }
+
+    QList<Node*> deps = n->GetDependencies();
+
+    foreach (Node* d, deps) {
+      item = NodeToUIObject(d);
+
+      if (item) {
+        item->setSelected(true);
+      }
+    }
+  }
+}
+
 void NodeView::AddNode(Node* node)
 {
   NodeViewItem* item = new NodeViewItem();

app/widget/nodeview/nodeview.h

@@ -85,6 +85,9 @@ public:
   void SelectAll();
   void DeselectAll();
 
+  void Select(const QList<Node*>& nodes);
+  void SelectWithDependencies(const QList<Node*>& nodes);
+
 signals:
   /**
    * @brief Signal emitted when the selected nodes have changed

app/widget/timelinewidget/timelinewidget.cpp

@@ -98,6 +98,7 @@ TimelineWidget::TimelineWidget(QWidget *parent) :
     connect(view, &TimelineView::DragMoved, this, &TimelineWidget::ViewDragMoved);
     connect(view, &TimelineView::DragLeft, this, &TimelineWidget::ViewDragLeft);
     connect(view, &TimelineView::DragDropped, this, &TimelineWidget::ViewDragDropped);
+    connect(view, &TimelineView::SelectionChanged, this, &TimelineWidget::ViewSelectionChanged);
 
     connect(tview->splitter(), &QSplitter::splitterMoved, this, &TimelineWidget::UpdateHorizontalSplitters);
 
@@ -684,6 +685,18 @@ void TimelineWidget::RemoveTrack(TrackOutput *track)
   }
 }
 
+void TimelineWidget::ViewSelectionChanged()
+{
+  QList<TimelineViewBlockItem*> selected_items = GetSelectedBlocks();
+  QList<Node*> selected_blocks;
+
+  foreach (TimelineViewBlockItem* item, selected_items) {
+    selected_blocks.append(item->block());
+  }
+
+  emit SelectionChanged(selected_blocks);
+}
+
 void TimelineWidget::BlockChanged()
 {
   TimelineViewRect* rect = block_items_[static_cast<Block*>(sender())];

app/widget/timelinewidget/timelinewidget.h

@@ -55,6 +55,9 @@ public:
 
   QList<TimelineViewBlockItem*> GetSelectedBlocks();
 
+signals:
+  void SelectionChanged(const QList<Node*>& selected_blocks);
+
 protected:
   virtual void resizeEvent(QResizeEvent *event) override;
 
@@ -394,6 +397,8 @@ private slots:
   void AddTrack(TrackOutput* track, Timeline::TrackType type);
   void RemoveTrack(TrackOutput* track);
 
+  void ViewSelectionChanged();
+
   /**
    * @brief Slot for when a Block node changes its parameters and the graphics need to update
    *

app/widget/timelinewidget/view/timelineview.cpp

@@ -45,6 +45,8 @@ TimelineView::TimelineView(Qt::Alignment vertical_alignment, QWidget *parent) :
   setContextMenuPolicy(Qt::CustomContextMenu);
   SetLimitYAxis(true);
   viewport()->setMouseTracking(true);
+
+  connect(scene(), &QGraphicsScene::selectionChanged, this, &TimelineView::SelectionChanged);
 }
 
 void TimelineView::SelectAll()

app/widget/timelinewidget/view/timelineview.h

@@ -70,6 +70,8 @@ signals:
   void DragLeft(QDragLeaveEvent* event);
   void DragDropped(TimelineViewMouseEvent* event);
 
+  void SelectionChanged();
+
 protected:
   virtual void mousePressEvent(QMouseEvent *event) override;
   virtual void mouseMoveEvent(QMouseEvent *event) override;