FileDialog: Use well-known DeleteOnClose instead of custom lambda

The custom dialog-deleting lambda in QFileDialog::saveFileContent
is redundant

Change-Id: I03c2fa29ab0502b981460e34674a40a704a22e2d
Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>

1 files changed, 2 insertions, 12 deletions

diff --git a/src/widgets/dialogs/qfiledialog.cpp b/src/widgets/dialogs/qfiledialog.cpp
index c83c5e64d8..ffec02d938 100644
--- a/src/widgets/dialogs/qfiledialog.cpp
+++ b/src/widgets/dialogs/qfiledialog.cpp
@@ -2315,13 +2315,8 @@ void QFileDialog::getOpenFileContent(const QString &nameFilter, const std::funct
         fileOpenCompleted(fileName, fileContent);
     };
 
-    auto dialogClosed = [=](int code) {
-        Q_UNUSED(code);
-        dialog->deleteLater();
-    };
-
     connect(dialog, &QFileDialog::fileSelected, fileSelected);
-    connect(dialog, &QFileDialog::finished, dialogClosed);
+    dialog->setAttribute(Qt::WA_DeleteOnClose);
     dialog->show();
 #endif
 }
@@ -2360,13 +2355,8 @@ void QFileDialog::saveFileContent(const QByteArray &fileContent, const QString &
         }
     };
 
-    auto dialogClosed = [=](int code) {
-        Q_UNUSED(code);
-        dialog->deleteLater();
-    };
-
     connect(dialog, &QFileDialog::fileSelected, fileSelected);
-    connect(dialog, &QFileDialog::finished, dialogClosed);
+    dialog->setAttribute(Qt::WA_DeleteOnClose);
     dialog->show();
 #endif
 }