diff --git a/autotests/kconfig_compiler/test1.h.ref b/autotests/kconfig_compiler/test1.h.ref
--- a/autotests/kconfig_compiler/test1.h.ref
+++ b/autotests/kconfig_compiler/test1.h.ref
@@ -17,7 +17,7 @@
       enum type { One, Two, Three, COUNT };
     };
 
-    Test1( const QString & transport, const QString & folder );
+    Test1( const QString & transport, const QString & folder, QObject *parent = nullptr );
     ~Test1();
 
     /**
diff --git a/autotests/kconfig_compiler/test1.cpp.ref b/autotests/kconfig_compiler/test1.cpp.ref
--- a/autotests/kconfig_compiler/test1.cpp.ref
+++ b/autotests/kconfig_compiler/test1.cpp.ref
@@ -3,11 +3,12 @@
 
 #include "test1.h"
 
-Test1::Test1(  const QString & transport, const QString & folder )
+Test1::Test1( const QString & transport, const QString & folder, QObject *parent )
   : KConfigSkeleton( QStringLiteral( "examplerc" ) )
   , mParamtransport(transport)
   , mParamfolder(folder)
 {
+  setParent(parent);
   setCurrentGroup( QStringLiteral( "General-%1" ).arg( mParamfolder ) );
 
   KConfigSkeleton::ItemBool  *itemOneOption;
diff --git a/autotests/kconfig_compiler/test1.kcfgc b/autotests/kconfig_compiler/test1.kcfgc
--- a/autotests/kconfig_compiler/test1.kcfgc
+++ b/autotests/kconfig_compiler/test1.kcfgc
@@ -1,6 +1,7 @@
 # Code generation options for kconfig_compiler_kf5
 ClassName=Test1
 File=test1.kcfg
+ParentInConstructor=true
 #
 # Singleton=false
 #
diff --git a/autotests/kconfig_compiler/test10.cpp.ref b/autotests/kconfig_compiler/test10.cpp.ref
--- a/autotests/kconfig_compiler/test10.cpp.ref
+++ b/autotests/kconfig_compiler/test10.cpp.ref
@@ -26,7 +26,7 @@
   return s_globalTest10()->q;
 }
 
-Test10::Test10(  )
+Test10::Test10( )
   : KConfigSkeleton( QStringLiteral( "test10rc" ) )
 {
   Q_ASSERT(!s_globalTest10()->q);
diff --git a/autotests/kconfig_compiler/test11.h.ref b/autotests/kconfig_compiler/test11.h.ref
--- a/autotests/kconfig_compiler/test11.h.ref
+++ b/autotests/kconfig_compiler/test11.h.ref
@@ -21,7 +21,7 @@
     };
     enum MailClient { sendmail, kmail };
 
-    Test11( );
+    Test11( QObject *parent = nullptr );
     ~Test11();
 
     /**
diff --git a/autotests/kconfig_compiler/test11.cpp.ref b/autotests/kconfig_compiler/test11.cpp.ref
--- a/autotests/kconfig_compiler/test11.cpp.ref
+++ b/autotests/kconfig_compiler/test11.cpp.ref
@@ -3,9 +3,10 @@
 
 #include "test11.h"
 
-Test11::Test11(  )
+Test11::Test11( QObject *parent )
   : MyPrefs( QStringLiteral( "korganizerrc" ) )
 {
+  setParent(parent);
   setCurrentGroup( QStringLiteral( "General" ) );
 
   mAutoSaveItem = new MyPrefs::ItemBool( currentGroup(), QStringLiteral( "Auto Save" ), mAutoSave, false );
diff --git a/autotests/kconfig_compiler/test11.kcfgc b/autotests/kconfig_compiler/test11.kcfgc
--- a/autotests/kconfig_compiler/test11.kcfgc
+++ b/autotests/kconfig_compiler/test11.kcfgc
@@ -1,6 +1,7 @@
 # Code generation options for kconfig_compiler_kf5
 File=test11.kcfg
 ClassName=Test11
+ParentInConstructor=true
 Singleton=false
 Mutators=true
 Inherits=MyPrefs
diff --git a/autotests/kconfig_compiler/test11a.cpp.ref b/autotests/kconfig_compiler/test11a.cpp.ref
--- a/autotests/kconfig_compiler/test11a.cpp.ref
+++ b/autotests/kconfig_compiler/test11a.cpp.ref
@@ -3,7 +3,7 @@
 
 #include "test11a.h"
 
-Test11a::Test11a(  )
+Test11a::Test11a( )
   : MyPrefs( QStringLiteral( "korganizerrc" ) )
 {
   setCurrentGroup( QStringLiteral( "General" ) );
diff --git a/autotests/kconfig_compiler/test12.cpp.ref b/autotests/kconfig_compiler/test12.cpp.ref
--- a/autotests/kconfig_compiler/test12.cpp.ref
+++ b/autotests/kconfig_compiler/test12.cpp.ref
@@ -3,7 +3,7 @@
 
 #include "test12.h"
 
-Test12::Test12(  )
+Test12::Test12( )
   : KConfigSkeleton( QStringLiteral( "muondatasourcesrc" ) )
 {
   setCurrentGroup( QStringLiteral( "muon" ) );
diff --git a/autotests/kconfig_compiler/test13.cpp.ref b/autotests/kconfig_compiler/test13.cpp.ref
--- a/autotests/kconfig_compiler/test13.cpp.ref
+++ b/autotests/kconfig_compiler/test13.cpp.ref
@@ -3,7 +3,7 @@
 
 #include "test13.h"
 
-Test13::Test13(  )
+Test13::Test13( )
   : KConfigSkeleton( QStringLiteral( "muondatasourcesrc" ) )
 {
   KConfigCompilerSignallingItem::NotifyFunction notifyFunction = static_cast<KConfigCompilerSignallingItem::NotifyFunction>(&Test13::itemChanged);
diff --git a/autotests/kconfig_compiler/test2.cpp.ref b/autotests/kconfig_compiler/test2.cpp.ref
--- a/autotests/kconfig_compiler/test2.cpp.ref
+++ b/autotests/kconfig_compiler/test2.cpp.ref
@@ -3,7 +3,7 @@
 
 #include "test2.h"
 
-Test2::Test2(  )
+Test2::Test2( )
   : MyPrefs( QStringLiteral( "korganizerrc" ) )
 {
   setCurrentGroup( QStringLiteral( "General" ) );
diff --git a/autotests/kconfig_compiler/test3.cpp.ref b/autotests/kconfig_compiler/test3.cpp.ref
--- a/autotests/kconfig_compiler/test3.cpp.ref
+++ b/autotests/kconfig_compiler/test3.cpp.ref
@@ -5,7 +5,7 @@
 
 using namespace TestNameSpace;
 
-Test3::Test3(  )
+Test3::Test3( )
   : KConfigSkeleton( QStringLiteral( "test3rc" ) )
 {
   setCurrentGroup( QStringLiteral( "General" ) );
diff --git a/autotests/kconfig_compiler/test3a.cpp.ref b/autotests/kconfig_compiler/test3a.cpp.ref
--- a/autotests/kconfig_compiler/test3a.cpp.ref
+++ b/autotests/kconfig_compiler/test3a.cpp.ref
@@ -5,7 +5,7 @@
 
 using namespace TestNameSpace::InnerNameSpace;
 
-Test3a::Test3a(  )
+Test3a::Test3a( )
   : KConfigSkeleton( QStringLiteral( "test3arc" ) )
 {
   setCurrentGroup( QStringLiteral( "General" ) );
diff --git a/autotests/kconfig_compiler/test4.cpp.ref b/autotests/kconfig_compiler/test4.cpp.ref
--- a/autotests/kconfig_compiler/test4.cpp.ref
+++ b/autotests/kconfig_compiler/test4.cpp.ref
@@ -28,7 +28,7 @@
 
 const char* const Test4::EnumButton::enumToString[] = { "right", "mid", "left" };
 
-Test4::Test4(  )
+Test4::Test4( )
   : KConfigSkeleton( QStringLiteral( "test4rc" ) )
 {
   Q_ASSERT(!s_globalTest4()->q);
diff --git a/autotests/kconfig_compiler/test5.h.ref b/autotests/kconfig_compiler/test5.h.ref
--- a/autotests/kconfig_compiler/test5.h.ref
+++ b/autotests/kconfig_compiler/test5.h.ref
@@ -106,7 +106,7 @@
     }
 
   protected:
-    Test5();
+    Test5(QObject *parent = nullptr);
     friend class Test5Helper;
 
 
diff --git a/autotests/kconfig_compiler/test5.cpp.ref b/autotests/kconfig_compiler/test5.cpp.ref
--- a/autotests/kconfig_compiler/test5.cpp.ref
+++ b/autotests/kconfig_compiler/test5.cpp.ref
@@ -28,9 +28,10 @@
 
 const char* const Test5::EnumButtonToString[] = { "right", "mid", "left" };
 
-Test5::Test5(  )
+Test5::Test5( QObject *parent )
   : KConfigSkeleton( QStringLiteral( "test4rc" ) )
 {
+  setParent(parent);
   Q_ASSERT(!s_globalTest5()->q);
   s_globalTest5()->q = this;
   setCurrentGroup( QStringLiteral( "Foo" ) );
diff --git a/autotests/kconfig_compiler/test5.kcfgc b/autotests/kconfig_compiler/test5.kcfgc
--- a/autotests/kconfig_compiler/test5.kcfgc
+++ b/autotests/kconfig_compiler/test5.kcfgc
@@ -1,6 +1,7 @@
 # Code generation options for kconfig_compiler_kf5
 File=test5.kcfg
 ClassName=Test5
+ParentInConstructor=true
 Singleton=true
 Mutators=true
 #Inherits=MyPrefs
diff --git a/autotests/kconfig_compiler/test6.cpp.ref b/autotests/kconfig_compiler/test6.cpp.ref
--- a/autotests/kconfig_compiler/test6.cpp.ref
+++ b/autotests/kconfig_compiler/test6.cpp.ref
@@ -3,7 +3,7 @@
 
 #include "test6.h"
 
-Test6::Test6(  const QString & Number )
+Test6::Test6( const QString & Number )
   : KConfigSkeleton( QStringLiteral( "test4rc" ) )
   , mParamNumber(Number)
 {
diff --git a/autotests/kconfig_compiler/test7.cpp.ref b/autotests/kconfig_compiler/test7.cpp.ref
--- a/autotests/kconfig_compiler/test7.cpp.ref
+++ b/autotests/kconfig_compiler/test7.cpp.ref
@@ -3,7 +3,7 @@
 
 #include "test7.h"
 
-Test7::Test7(  int Number )
+Test7::Test7( int Number )
   : KConfigSkeleton( QStringLiteral( "test7rc" ) )
   , mParamNumber(Number)
 {
diff --git a/autotests/kconfig_compiler/test8a.h.ref b/autotests/kconfig_compiler/test8a.h.ref
--- a/autotests/kconfig_compiler/test8a.h.ref
+++ b/autotests/kconfig_compiler/test8a.h.ref
@@ -12,7 +12,7 @@
 {
   public:
 
-    Test8a( KSharedConfig::Ptr config = KSharedConfig::openConfig() );
+    Test8a( KSharedConfig::Ptr config = KSharedConfig::openConfig(), QObject *parent = nullptr );
     ~Test8a();
 
     /**
diff --git a/autotests/kconfig_compiler/test8a.cpp.ref b/autotests/kconfig_compiler/test8a.cpp.ref
--- a/autotests/kconfig_compiler/test8a.cpp.ref
+++ b/autotests/kconfig_compiler/test8a.cpp.ref
@@ -3,9 +3,10 @@
 
 #include "test8a.h"
 
-Test8a::Test8a(  KSharedConfig::Ptr config  )
+Test8a::Test8a( KSharedConfig::Ptr config, QObject *parent )
   : KConfigSkeleton( config )
 {
+  setParent(parent);
   setCurrentGroup( QStringLiteral( "Group" ) );
 
   KConfigSkeleton::ItemFont  *itemFont;
diff --git a/autotests/kconfig_compiler/test8a.kcfgc b/autotests/kconfig_compiler/test8a.kcfgc
--- a/autotests/kconfig_compiler/test8a.kcfgc
+++ b/autotests/kconfig_compiler/test8a.kcfgc
@@ -1,3 +1,4 @@
 File=test8a.kcfg
 ClassName=Test8a
+ParentInConstructor=true
 Mutators=true
diff --git a/autotests/kconfig_compiler/test8b.cpp.ref b/autotests/kconfig_compiler/test8b.cpp.ref
--- a/autotests/kconfig_compiler/test8b.cpp.ref
+++ b/autotests/kconfig_compiler/test8b.cpp.ref
@@ -26,7 +26,7 @@
   return s_globalTest8b()->q;
 }
 
-Test8b::Test8b(  )
+Test8b::Test8b( )
   : Test8a()
 {
   Q_ASSERT(!s_globalTest8b()->q);
diff --git a/autotests/kconfig_compiler/test8c.h.ref b/autotests/kconfig_compiler/test8c.h.ref
--- a/autotests/kconfig_compiler/test8c.h.ref
+++ b/autotests/kconfig_compiler/test8c.h.ref
@@ -55,7 +55,7 @@
     }
 
   protected:
-    Test8c(KSharedConfig::Ptr config);
+    Test8c(KSharedConfig::Ptr config, QObject *parent = nullptr);
     friend class Test8cHelper;
 
 
diff --git a/autotests/kconfig_compiler/test8c.cpp.ref b/autotests/kconfig_compiler/test8c.cpp.ref
--- a/autotests/kconfig_compiler/test8c.cpp.ref
+++ b/autotests/kconfig_compiler/test8c.cpp.ref
@@ -45,9 +45,10 @@
   s_globalTest8c()->q->read();
 }
 
-Test8c::Test8c(  KSharedConfig::Ptr config  )
+Test8c::Test8c( KSharedConfig::Ptr config, QObject *parent )
   : KConfigSkeleton( config )
 {
+  setParent(parent);
   Q_ASSERT(!s_globalTest8c()->q);
   s_globalTest8c()->q = this;
   setCurrentGroup( QStringLiteral( "Group" ) );
diff --git a/autotests/kconfig_compiler/test8c.kcfgc b/autotests/kconfig_compiler/test8c.kcfgc
--- a/autotests/kconfig_compiler/test8c.kcfgc
+++ b/autotests/kconfig_compiler/test8c.kcfgc
@@ -1,4 +1,5 @@
 File=test8c.kcfg
 ClassName=Test8c
+ParentInConstructor=true
 Mutators=true
 Singleton=true
diff --git a/autotests/kconfig_compiler/test9.cpp.ref b/autotests/kconfig_compiler/test9.cpp.ref
--- a/autotests/kconfig_compiler/test9.cpp.ref
+++ b/autotests/kconfig_compiler/test9.cpp.ref
@@ -3,7 +3,7 @@
 
 #include "test9.h"
 
-Test9::Test9(  const QString & transport, const QString & folder )
+Test9::Test9( const QString & transport, const QString & folder )
   : KConfigSkeleton( QStringLiteral( "examplerc" ) )
   , mParamtransport(transport)
   , mParamfolder(folder)
diff --git a/autotests/kconfig_compiler/test_dpointer.cpp.ref b/autotests/kconfig_compiler/test_dpointer.cpp.ref
--- a/autotests/kconfig_compiler/test_dpointer.cpp.ref
+++ b/autotests/kconfig_compiler/test_dpointer.cpp.ref
@@ -65,7 +65,7 @@
   return s_globalTestDPointer()->q;
 }
 
-TestDPointer::TestDPointer(  )
+TestDPointer::TestDPointer( )
   : KConfigSkeleton( QStringLiteral( "korganizerrc" ) )
 {
   d = new TestDPointerPrivate;
diff --git a/autotests/kconfig_compiler/test_notifiers.cpp.ref b/autotests/kconfig_compiler/test_notifiers.cpp.ref
--- a/autotests/kconfig_compiler/test_notifiers.cpp.ref
+++ b/autotests/kconfig_compiler/test_notifiers.cpp.ref
@@ -3,7 +3,7 @@
 
 #include "test_notifiers.h"
 
-TestNotifiers::TestNotifiers(  int Number )
+TestNotifiers::TestNotifiers( int Number )
   : KConfigSkeleton( QStringLiteral( "test7rc" ) )
   , mParamNumber(Number)
 {
diff --git a/autotests/kconfig_compiler/test_qdebugcategory.cpp.ref b/autotests/kconfig_compiler/test_qdebugcategory.cpp.ref
--- a/autotests/kconfig_compiler/test_qdebugcategory.cpp.ref
+++ b/autotests/kconfig_compiler/test_qdebugcategory.cpp.ref
@@ -3,7 +3,7 @@
 
 #include "test_qdebugcategory.h"
 
-TestQCategory::TestQCategory(  int Number )
+TestQCategory::TestQCategory( int Number )
   : KConfigSkeleton( QStringLiteral( "test7rc" ) )
   , mParamNumber(Number)
 {
diff --git a/autotests/kconfig_compiler/test_signal.cpp.ref b/autotests/kconfig_compiler/test_signal.cpp.ref
--- a/autotests/kconfig_compiler/test_signal.cpp.ref
+++ b/autotests/kconfig_compiler/test_signal.cpp.ref
@@ -26,7 +26,7 @@
   return s_globalTestSignal()->q;
 }
 
-TestSignal::TestSignal(  )
+TestSignal::TestSignal( )
   : KConfigSkeleton( QStringLiteral( "kconfig_compiler_kf5_test_rc" ) )
   , mSettingsChanged(0)
 {
diff --git a/autotests/kconfig_compiler/test_translation_kde.cpp.ref b/autotests/kconfig_compiler/test_translation_kde.cpp.ref
--- a/autotests/kconfig_compiler/test_translation_kde.cpp.ref
+++ b/autotests/kconfig_compiler/test_translation_kde.cpp.ref
@@ -7,7 +7,7 @@
 
 using namespace TestNameSpace;
 
-TestTranslationKde::TestTranslationKde(  )
+TestTranslationKde::TestTranslationKde( )
   : KConfigSkeleton( QStringLiteral( "test_translation_rc" ) )
 {
   setCurrentGroup( QStringLiteral( "General" ) );
diff --git a/autotests/kconfig_compiler/test_translation_kde_domain.cpp.ref b/autotests/kconfig_compiler/test_translation_kde_domain.cpp.ref
--- a/autotests/kconfig_compiler/test_translation_kde_domain.cpp.ref
+++ b/autotests/kconfig_compiler/test_translation_kde_domain.cpp.ref
@@ -7,7 +7,7 @@
 
 using namespace TestNameSpace;
 
-TestTranslationKdeDomain::TestTranslationKdeDomain(  )
+TestTranslationKdeDomain::TestTranslationKdeDomain( )
   : KConfigSkeleton( QStringLiteral( "test_translation_rc" ) )
 {
   setCurrentGroup( QStringLiteral( "General" ) );
diff --git a/autotests/kconfig_compiler/test_translation_qt.cpp.ref b/autotests/kconfig_compiler/test_translation_qt.cpp.ref
--- a/autotests/kconfig_compiler/test_translation_qt.cpp.ref
+++ b/autotests/kconfig_compiler/test_translation_qt.cpp.ref
@@ -5,7 +5,7 @@
 
 using namespace TestNameSpace;
 
-TestTranslationQt::TestTranslationQt(  )
+TestTranslationQt::TestTranslationQt( )
   : KConfigSkeleton( QStringLiteral( "test_translation_rc" ) )
 {
   setCurrentGroup( QStringLiteral( "General" ) );
diff --git a/src/kconfig_compiler/kconfig_compiler.cpp b/src/kconfig_compiler/kconfig_compiler.cpp
--- a/src/kconfig_compiler/kconfig_compiler.cpp
+++ b/src/kconfig_compiler/kconfig_compiler.cpp
@@ -80,6 +80,7 @@
         if (!visibility.isEmpty()) {
             visibility += ' ';
         }
+        parentInConstructor = codegenConfig.value(QStringLiteral("ParentInConstructor"), false).toBool();
         forceStringFilename = codegenConfig.value(QStringLiteral("ForceStringFilename"), false).toBool();
         singleton = codegenConfig.value(QStringLiteral("Singleton"), false).toBool();
         staticAccessors = singleton;
@@ -125,6 +126,7 @@
     QString className;     // The class name to be generated
     QString inherits;      // The class the generated class inherits (if empty, from KConfigSkeleton)
     QString visibility;
+    bool parentInConstructor; // The class has the optional parent parameter in its constructor
     bool forceStringFilename;
     bool singleton;        // The class will be a singleton
     bool staticAccessors;  // provide or not static accessors
@@ -1895,6 +1897,12 @@
             }
             h << " " << param((*it).type) << " " << (*it).name;
         }
+        if (cfg.parentInConstructor) {
+            if (cfgFileNameArg || !parameters.isEmpty()) {
+                h << ",";
+            }
+            h << " QObject *parent = nullptr";
+        }
         h << " );" << endl;
     } else {
         h << "    static " << cfg.className << " *self();" << endl;
@@ -2125,6 +2133,12 @@
         if (cfgFileNameArg) {
             h << "KSharedConfig::Ptr config";
         }
+        if (cfg.parentInConstructor) {
+            if (cfgFileNameArg) {
+                h << ", ";
+            }
+            h << "QObject *parent = nullptr";
+        }
         h << ");" << endl;
         h << "    friend class " << cfg.className << "Helper;" << endl << endl;
     }
@@ -2357,14 +2371,14 @@
     }
 
     // Constructor
-    cpp << cfg.className << "::" << cfg.className << "( ";
+    cpp << cfg.className << "::" << cfg.className << "(";
     if (cfgFileNameArg) {
         if (! cfg.forceStringFilename) {
             cpp << " KSharedConfig::Ptr config";
         } else {
             cpp << " const QString& config";
         }
-        cpp << (parameters.isEmpty() ? " " : ", ");
+        cpp << (parameters.isEmpty() ? "" : ",");
     }
 
     for (QList<Param>::ConstIterator it = parameters.constBegin();
@@ -2374,6 +2388,13 @@
         }
         cpp << " " << param((*it).type) << " " << (*it).name;
     }
+
+    if (cfg.parentInConstructor) {
+        if (cfgFileNameArg || !parameters.isEmpty()) {
+            cpp << ",";
+        }
+        cpp << " QObject *parent";
+    }
     cpp << " )" << endl;
 
     cpp << "  : " << cfg.inherits << "(";
@@ -2400,6 +2421,10 @@
 
     cpp << "{" << endl;
 
+    if (cfg.parentInConstructor) {
+        cpp << "  setParent(parent);" << endl;
+    }
+
     if (cfg.dpointer) {
         cpp << "  d = new " + cfg.className + "Private;" << endl;
         if (hasNonModifySignals) {