From 7f92c1af7deab5490b08e9a199b230babe372262 Mon Sep 17 00:00:00 2001
From: blacksun
 <blacksun@r5936  blacksun  2019-06-24 19:44:37 +0200 (lun. 24 juin 2019)>
Date: Tue, 3 Oct 2017 08:54:58 +0000
Subject: [PATCH] Fix crash when user try to move a non movable item.

git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@5060 bfdf4180-ca20-0410-9c96-a3a8aa849046
---
 sources/diagramcontent.cpp | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/sources/diagramcontent.cpp b/sources/diagramcontent.cpp
index a887cc04f..6eff994ce 100644
--- a/sources/diagramcontent.cpp
+++ b/sources/diagramcontent.cpp
@@ -94,20 +94,25 @@ void DiagramContent::clear()
 int DiagramContent::removeNonMovableItems()
 {
 	int count_ = 0;
-
-	for(Element *elmt : m_elements) {
+	
+	const QSet<Element *> elements_set = m_elements;
+	for(Element *elmt : elements_set) {
 		if (!elmt->isMovable()) {
 			m_elements.remove(elmt);
 			++count_;
 		}
 	}
-	for(DiagramImageItem *img : m_images) {
+	
+	const QSet<DiagramImageItem *> images_set = m_images;
+	for(DiagramImageItem *img : images_set) {
 		if (!img->isMovable()) {
 			m_images.remove(img);
 			++count_;
 		}
 	}
-	for(QetShapeItem *shape : m_shapes) {
+	
+	const QSet<QetShapeItem *> shapes_set = m_shapes;
+	for(QetShapeItem *shape : shapes_set) {
 		if (!shape->isMovable()) {
 			m_shapes.remove(shape);
 			++count_;