not necessary to put these dialog as pointer

ktnef/src/ktnefmain.cpp

@@ -313,10 +313,9 @@ void KTNEFMain::extractAllFiles()
 void KTNEFMain::propertiesFile()
 {
     KTNEFAttach *attach = mView->getSelection().at(0);
-    QPointer<AttachPropertyDialog> dlg = new AttachPropertyDialog(this);
-    dlg->setAttachment(attach);
-    dlg->exec();
-    delete dlg;
+    AttachPropertyDialog dlg(this);
+    dlg.setAttachment(attach);
+    dlg.exec();
 }
 
 void KTNEFMain::optionDefaultDir()
@@ -461,9 +460,8 @@ void KTNEFMain::slotNewToolbarConfig()
 
 void KTNEFMain::slotShowMessageProperties()
 {
-    QPointer<MessagePropertyDialog> dlg = new MessagePropertyDialog(this, mParser->message());
-    dlg->exec();
-    delete dlg;
+    MessagePropertyDialog dlg(this, mParser->message());
+    dlg.exec();
 }
 
 void KTNEFMain::slotShowMessageText()

src/configuredialog/configuresecuritypage.cpp

@@ -97,9 +97,8 @@ SecurityPageGeneralTab::SecurityPageGeneralTab(QWidget *parent)
 
 void SecurityPageGeneralTab::slotOpenExternalReferenceExceptions()
 {
-    QPointer<MessageViewer::RemoteContentConfigureDialog> dlg = new MessageViewer::RemoteContentConfigureDialog(this);
-    dlg->exec();
-    delete dlg;
+    MessageViewer::RemoteContentConfigureDialog dlg(this);
+    dlg.exec();
 }
 
 void SecurityPageGeneralTab::slotLinkClicked(const QString &link)

src/editor/potentialphishingemail/potentialphishingemailwarning.cpp

@@ -33,10 +33,9 @@ PotentialPhishingEmailWarning::~PotentialPhishingEmailWarning() = default;
 void PotentialPhishingEmailWarning::slotShowDetails(const QString &link)
 {
     if (link == QLatin1String("phishingdetails")) {
-        QPointer<PotentialPhishingDetailDialog> dlg = new PotentialPhishingDetailDialog(this);
-        dlg->fillList(mPotentialPhishingEmails);
-        dlg->exec();
-        delete dlg;
+        PotentialPhishingDetailDialog dlg(this);
+        dlg.fillList(mPotentialPhishingEmails);
+        dlg.exec();
     }
 }
 

src/kmmainwidget.cpp

@@ -1485,10 +1485,9 @@ void KMMainWidget::slotEmptyFolder()
 void KMMainWidget::slotArchiveFolder()
 {
     if (mCurrentCollection.isValid()) {
-        QPointer<KMail::ArchiveFolderDialog> archiveDialog = new KMail::ArchiveFolderDialog(this);
-        archiveDialog->setFolder(mCurrentCollection);
-        archiveDialog->exec();
-        delete archiveDialog;
+        KMail::ArchiveFolderDialog archiveDialog(this);
+        archiveDialog.setFolder(mCurrentCollection);
+        archiveDialog.exec();
     }
 }
 

src/messageactions.cpp

@@ -696,9 +696,9 @@ void MessageActions::annotateMessage()
         return;
     }
 
-    QPointer<PimCommon::AnnotationEditDialog> dialog = new PimCommon::AnnotationEditDialog(mCurrentItem, mParent);
-    dialog->setAttribute(Qt::WA_DeleteOnClose);
-    dialog->exec();
+    PimCommon::AnnotationEditDialog dialog(mCurrentItem, mParent);
+    dialog.setAttribute(Qt::WA_DeleteOnClose);
+    dialog.exec();
 }
 
 void MessageActions::addWebShortcutsMenu(QMenu *menu, const QString &text)

src/searchdialog/searchwindow.cpp

@@ -481,8 +481,8 @@ void SearchWindow::doSearch()
 
     const QVector<qint64> unindexedCollections = checkIncompleteIndex(searchCollections, recursive);
     if (!unindexedCollections.isEmpty()) {
-        QScopedPointer<IncompleteIndexDialog> dlg(new IncompleteIndexDialog(unindexedCollections));
-        dlg->exec();
+        IncompleteIndexDialog dlg(unindexedCollections);
+        dlg.exec();
     }
 
     if (!mFolder.isValid()) {