From 51a2ec2d6ac93581561df602cb6a65afbd541ce3 Mon Sep 17 00:00:00 2001
From: Luca Beldi <v.ronin@yahoo.it>
Date: Mon, 30 Oct 2017 11:10:50 +0000
Subject: [PATCH] QDataStream operators use fixed size integers.

Solves Bug 63765
---
 src/gui/itemmodels/qstandarditemmodel_p.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/gui/itemmodels/qstandarditemmodel_p.h b/src/gui/itemmodels/qstandarditemmodel_p.h
index 516cce8..4a4a2ef 100644
--- a/src/gui/itemmodels/qstandarditemmodel_p.h
+++ b/src/gui/itemmodels/qstandarditemmodel_p.h
@@ -79,14 +79,16 @@ Q_DECLARE_TYPEINFO(QStandardItemData, Q_MOVABLE_TYPE);
 
 inline QDataStream &operator>>(QDataStream &in, QStandardItemData &data)
 {
-    in >> data.role;
+    if(in.version()>= Qt_5_12){
+        qint32 tempRole;
+        in >> tempRole;
+        data.role=tempRole;
+    }
+    else{
+        in >> data.role;
+    }
     in >> data.value;
     return in;
 }
 
 inline QDataStream &operator<<(QDataStream &out, const QStandardItemData &data)
 {
-    out << data.role;
+    if(in.version()>= Qt_5_12)
+        out << static_cast<qint32>(data.role);
+    else
+        out << data.role;
     out << data.value;
     return out;
 }
-- 
1.9.4.msysgit.2