From c1622951b3239c54c26674edb8548278fabb8a67 Mon Sep 17 00:00:00 2001
From: Klaus Basan <klaus.basan@klausbasan.de>
Date: Thu, 23 Apr 2020 20:15:57 +0200
Subject: [PATCH] Util. function for class name

---
 src/blackmisc/metadatautils.cpp | 24 +++++++++++++++++++++++-
 src/blackmisc/metadatautils.h   |  9 ++++++++-
 2 files changed, 31 insertions(+), 2 deletions(-)

diff --git a/src/blackmisc/metadatautils.cpp b/src/blackmisc/metadatautils.cpp
index 3b6afa86e..bd38e4965 100644
--- a/src/blackmisc/metadatautils.cpp
+++ b/src/blackmisc/metadatautils.cpp
@@ -9,8 +9,9 @@
 #include "metadatautils.h"
 
 #include <QMetaType>
-#include <QTextStream>
 #include <QMetaObject>
+#include <QTextStream>
+#include <QObject>
 
 namespace BlackMisc
 {
@@ -43,6 +44,27 @@ namespace BlackMisc
         return meta;
     }
 
+    QString className(const QObject *object)
+    {
+        if (!object) { return "nullptr"; }
+        return object->metaObject()->className();
+    }
+
+    QString classNameShort(const QObject *object)
+    {
+        if (!object) { return "nullptr"; }
+        const QString fn = object->metaObject()->className();
+        if (fn.contains("::"))
+        {
+            const int index = fn.lastIndexOf("::");
+            if (fn.length() > index + 3)
+            {
+                return fn.mid(index + 2);
+            }
+        }
+        return fn;
+    }
+
 #ifdef Q_CC_MSVC
 #include <crtdbg.h>
 
diff --git a/src/blackmisc/metadatautils.h b/src/blackmisc/metadatautils.h
index d4ff41071..212c572c5 100644
--- a/src/blackmisc/metadatautils.h
+++ b/src/blackmisc/metadatautils.h
@@ -13,11 +13,12 @@
 
 #include "blackmisc/blackmiscexport.h"
 
-#include <stddef.h>
 #include <QString>
+#include <stddef.h>
 
 class QMetaType;
 class QTextStream;
+class QObject;
 struct QMetaObject;
 
 //! Metadata util functions
@@ -36,6 +37,12 @@ namespace BlackMisc
     //! Real heap size of an object
     BLACKMISC_EXPORT size_t heapSizeOf(const QMetaObject &objectType);
 
+    //! Class name as from QMetaObject::className with namespace
+    BLACKMISC_EXPORT QString className(const QObject *object);
+
+    //! Class name as from QMetaObject::className without namespace
+    BLACKMISC_EXPORT QString classNameShort(const QObject *object);
+
 } // ns
 
 #endif // guard