From a6f4922d66151d07b80bf75b0e6184b89fb543c5 Mon Sep 17 00:00:00 2001
From: itsmattkc <itsmattkc@gmail.com>
Date: Sun, 16 Feb 2020 11:43:09 +1100
Subject: [PATCH] nodeview: allow esc key to cancel adding a node

---
 app/widget/nodeview/nodeview.cpp | 13 +++++++++++++
 app/widget/nodeview/nodeview.h   |  2 ++
 2 files changed, 15 insertions(+)

diff --git a/app/widget/nodeview/nodeview.cpp b/app/widget/nodeview/nodeview.cpp
index d4396a340..f3539b9b6 100644
--- a/app/widget/nodeview/nodeview.cpp
+++ b/app/widget/nodeview/nodeview.cpp
@@ -215,6 +215,19 @@ void NodeView::ItemsChanged()
   }
 }
 
+void NodeView::keyPressEvent(QKeyEvent *event)
+{
+  QGraphicsView::keyPressEvent(event);
+
+  if (event->key() == Qt::Key_Escape && attached_item_) {
+    DetachItemFromCursor();
+
+    // We undo the last action which SHOULD be adding the node
+    // FIXME: Possible danger of this not being the case?
+    Core::instance()->undo_stack()->undo();
+  }
+}
+
 void NodeView::mousePressEvent(QMouseEvent *event)
 {
   if (attached_item_) {
diff --git a/app/widget/nodeview/nodeview.h b/app/widget/nodeview/nodeview.h
index 8b19e0684..d79b2b4f5 100644
--- a/app/widget/nodeview/nodeview.h
+++ b/app/widget/nodeview/nodeview.h
@@ -89,6 +89,8 @@ signals:
   void SelectionChanged(QList<Node*> selected_nodes);
 
 protected:
+  virtual void keyPressEvent(QKeyEvent *event) override;
+
   virtual void mousePressEvent(QMouseEvent *event) override;
 
   virtual void mouseMoveEvent(QMouseEvent *event) override;