From 0c5bccfbdbcab358fe0ca4f381f02b079c0fb4b6 Mon Sep 17 00:00:00 2001
From: David Capello <davidcapello@gmail.com>
Date: Fri, 14 Apr 2017 13:40:39 -0300
Subject: [PATCH] Fix crash undoing/redoing while Cmd/Ctrl key is pressed to
 show cel auto-guides

---
 src/app/ui/editor/editor.cpp | 5 +++++
 src/app/ui/editor/editor.h   | 1 +
 2 files changed, 6 insertions(+)

diff --git a/src/app/ui/editor/editor.cpp b/src/app/ui/editor/editor.cpp
index 3ec672c61..78e7b6101 100644
--- a/src/app/ui/editor/editor.cpp
+++ b/src/app/ui/editor/editor.cpp
@@ -1805,6 +1805,11 @@ void Editor::onSpritePixelRatioChanged(doc::DocumentEvent& ev)
   invalidate();
 }
 
+void Editor::onRemoveCel(DocumentEvent& ev)
+{
+  m_showGuidesThisCel = nullptr;
+}
+
 void Editor::onAddFrameTag(DocumentEvent& ev)
 {
   m_tagFocusBand = -1;
diff --git a/src/app/ui/editor/editor.h b/src/app/ui/editor/editor.h
index 779f0f148..a0b7e8e86 100644
--- a/src/app/ui/editor/editor.h
+++ b/src/app/ui/editor/editor.h
@@ -270,6 +270,7 @@ namespace app {
     // DocumentObserver impl
     void onExposeSpritePixels(doc::DocumentEvent& ev) override;
     void onSpritePixelRatioChanged(doc::DocumentEvent& ev) override;
+    void onRemoveCel(DocumentEvent& ev) override;
     void onAddFrameTag(DocumentEvent& ev) override;
     void onRemoveFrameTag(DocumentEvent& ev) override;