nodeparamview: handle array size changes in keyframe view

Fixes #2097

app/widget/nodeparamview/nodeparamview.cpp

@@ -726,6 +726,7 @@ void NodeParamView::AddNode(Node *n, Node *ctx, NodeParamViewContext *context)
     connect(item, &NodeParamViewItem::ArrayExpandedChanged, this, &NodeParamView::QueueKeyframePositionUpdate);
     connect(item, &NodeParamViewItem::ExpandedChanged, this, &NodeParamView::QueueKeyframePositionUpdate);
     connect(item, &NodeParamViewItem::Moved, this, &NodeParamView::QueueKeyframePositionUpdate);
+    connect(item, &NodeParamViewItem::InputArraySizeChanged, this, &NodeParamView::InputArraySizeChanged);
 
     item->SetKeyframeConnections(keyframe_view_->AddKeyframesOfNode(n));
   }
@@ -999,4 +1000,42 @@ void NodeParamView::GroupInputPassthroughRemoved(NodeGroup *group, const NodeInp
   }
 }
 
+void NodeParamView::InputArraySizeChanged(const QString &input, int, int new_size)
+{
+  NodeParamViewItem *sender = static_cast<NodeParamViewItem *>(this->sender());
+
+  KeyframeView::NodeConnections &connections = sender->GetKeyframeConnections();
+  KeyframeView::InputConnections &inputs = connections[input];
+
+  int adj_new_size = new_size + 1;
+
+  if (adj_new_size != inputs.size()) {
+    if (adj_new_size < inputs.size()) {
+      // Remove elements from keyframe view
+      for (int i = adj_new_size; i < inputs.size(); i++) {
+        const KeyframeView::ElementConnections &ec = inputs.at(i);
+        for (auto kc : ec) {
+          keyframe_view_->RemoveKeyframesOfTrack(kc);
+        }
+      }
+
+      // Resize vector to match new size
+      inputs.resize(adj_new_size);
+    } else {
+      // Add elements
+      int old_size = inputs.size();
+
+      // Resize vector to match
+      inputs.resize(adj_new_size);
+
+      // Fill in extra elements
+      for (int i = old_size; i < inputs.size(); i++) {
+        inputs[i] = keyframe_view_->AddKeyframesOfElement(NodeInput(sender->GetNode(), input, i - 1));
+      }
+    }
+  }
+
+  QueueKeyframePositionUpdate();
+}
+
 }

app/widget/nodeparamview/nodeparamview.h

@@ -190,6 +190,8 @@ private slots:
 
   void RequestEditTextInViewer();
 
+  void InputArraySizeChanged(const QString &input, int old_size, int new_size);
+
 };
 
 }

app/widget/nodeparamview/nodeparamviewitem.cpp

@@ -50,7 +50,8 @@ NodeParamViewItem::NodeParamViewItem(Node *node, NodeParamViewCheckBoxBehavior c
   body_(nullptr),
   node_(node),
   create_checkboxes_(create_checkboxes),
-  ctx_(nullptr)
+  ctx_(nullptr),
+  time_target_(nullptr)
 {
   node_->Retranslate();
 
@@ -58,6 +59,7 @@ NodeParamViewItem::NodeParamViewItem(Node *node, NodeParamViewCheckBoxBehavior c
   RecreateBody();
 
   connect(node_, &Node::LabelChanged, this, &NodeParamViewItem::Retranslate);
+  connect(node_, &Node::InputArraySizeChanged, this, &NodeParamViewItem::InputArraySizeChanged);
 
   // FIXME: Implemented to pick up when an input is set to hidden or not - DEFINITELY not a fast
   //        way of doing this, but "fine" for now.
@@ -96,6 +98,7 @@ void NodeParamViewItem::RecreateBody()
   connect(body_, &NodeParamViewItemBody::RequestEditTextInViewer, this, &NodeParamViewItem::RequestEditTextInViewer);
   body_->Retranslate();
   body_->SetTimebase(timebase_);
+  body_->SetTimeTarget(time_target_);
   SetBody(body_);
 }
 
@@ -117,6 +120,7 @@ void NodeParamViewItem::SetInputChecked(const NodeInput &input, bool e)
 NodeParamViewItemBody::NodeParamViewItemBody(Node* node, NodeParamViewCheckBoxBehavior create_checkboxes, QWidget *parent) :
   QWidget(parent),
   node_(node),
+  time_target_(nullptr),
   create_checkboxes_(create_checkboxes)
 {
   QGridLayout* root_layout = new QGridLayout(this);
@@ -265,20 +269,30 @@ void NodeParamViewItemBody::CreateWidgets(QGridLayout* layout, Node *node, const
   if (node->IsInputConnectable(input)) {
     UpdateUIForEdgeConnection(input_ref);
   }
+
+  SetTimeTargetOnInputUI(ui_objects);
+  SetTimebaseOnInputUI(ui_objects);
 }
 
 void NodeParamViewItemBody::SetTimeTarget(ViewerOutput *target)
 {
+  time_target_ = target;
+
   foreach (const InputUI& ui_obj, input_ui_map_) {
+    SetTimeTargetOnInputUI(ui_obj);
+  }
+}
+
+void NodeParamViewItemBody::SetTimeTargetOnInputUI(const InputUI &ui_obj)
+{
   // Only keyframable inputs have a key control widget
   if (ui_obj.key_control) {
-      ui_obj.key_control->SetTimeTarget(target);
+    ui_obj.key_control->SetTimeTarget(time_target_);
   }
   if (ui_obj.connected_label) {
-      ui_obj.connected_label->SetViewerNode(target);
-    }
-    ui_obj.widget_bridge->SetTimeTarget(target);
+    ui_obj.connected_label->SetViewerNode(time_target_);
   }
+  ui_obj.widget_bridge->SetTimeTarget(time_target_);
 }
 
 void NodeParamViewItemBody::Retranslate()
@@ -492,10 +506,15 @@ void NodeParamViewItemBody::SetTimebase(const rational& timebase)
   timebase_ = timebase;
 
   foreach (const InputUI& ui_obj, input_ui_map_) {
-    ui_obj.widget_bridge->SetTimebase(timebase);
+    SetTimebaseOnInputUI(ui_obj);
   }
 }
 
+void NodeParamViewItemBody::SetTimebaseOnInputUI(const InputUI& ui_obj)
+{
+  ui_obj.widget_bridge->SetTimebase(timebase_);
+}
+
 void NodeParamViewItemBody::SetInputChecked(const NodeInput &input, bool e)
 {
   if (input_ui_map_.contains(input)) {

app/widget/nodeparamview/nodeparamviewitem.h

@@ -104,6 +104,9 @@ private:
     NodeParamViewArrayButton* append_btn;
   };
 
+  void SetTimeTargetOnInputUI(const InputUI &ui);
+  void SetTimebaseOnInputUI(const InputUI &ui);
+
   Node *node_;
 
   QHash<NodeInputPair, ArrayUI> array_ui_;
@@ -112,6 +115,8 @@ private:
 
   rational timebase_;
 
+  ViewerOutput *time_target_;
+
   NodeParamViewCheckBoxBehavior create_checkboxes_;
 
   QHash<NodeInputPair, NodeInputPair> input_group_lookup_;
@@ -165,6 +170,8 @@ public:
 
   void SetTimeTarget(ViewerOutput* target)
   {
+    time_target_ = target;
+
     body_->SetTimeTarget(target);
   }
 
@@ -194,7 +201,7 @@ public:
 
   void SetInputChecked(const NodeInput &input, bool e);
 
-  const KeyframeView::NodeConnections &GetKeyframeConnections() const
+  KeyframeView::NodeConnections &GetKeyframeConnections()
   {
     return keyframe_connections_;
   }
@@ -213,6 +220,8 @@ signals:
 
   void RequestEditTextInViewer();
 
+  void InputArraySizeChanged(const QString &input, int old_size, int new_size);
+
 protected slots:
   virtual void Retranslate() override;
 
@@ -225,6 +234,8 @@ private:
 
   Node *ctx_;
 
+  ViewerOutput *time_target_;
+
   rational timebase_;
 
   KeyframeView::NodeConnections keyframe_connections_;