From 90068b5cc764f7b7199dfd2e1394b79e5badafd9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=A9a=20Saviot?= <lea.saviot@numworks.com>
Date: Wed, 31 Jan 2018 10:32:07 +0100
Subject: [PATCH] [poincare] Fix Matrix copy bug.

When selecting a matrix in the calculation history and pressing 'OK',
in the apps Calculation, there was a nullptr bug.

Change-Id: I8f05771b76bcb3c68b51cf8ca33a49011144abf9
---
 escher/src/scrollable_expression_view_with_cursor.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/escher/src/scrollable_expression_view_with_cursor.cpp b/escher/src/scrollable_expression_view_with_cursor.cpp
index fd0f07a1b..c80e887a8 100644
--- a/escher/src/scrollable_expression_view_with_cursor.cpp
+++ b/escher/src/scrollable_expression_view_with_cursor.cpp
@@ -199,7 +199,7 @@ void ScrollableExpressionViewWithCursor::insertLayoutAtCursor(Poincare::Expressi
     return;
   }
   KDSize previousSize = minimalSizeForOptimalDisplay();
-  if (layout->isMatrix() && pointedLayout->hasAncestor(layout)) {
+  if (layout->isMatrix() && pointedLayout && pointedLayout->hasAncestor(layout)) {
     static_cast<Poincare::MatrixLayout *>(layout)->addGreySquares();
   }
   if (pointedLayout != nullptr) {