Allow labels to be set to empty values

diff --git a/pv/view/header.cpp b/pv/view/header.cpp
index e0e280b2826dc3c988c362d1c2eaecaf0a508f29..6d016fe0b441aa832a504e64704fd564ac67d59c 100644 (file)
--- a/pv/view/header.cpp
+++ b/pv/view/header.cpp
@@ -218,14 +218,16 @@ void Header::contextMenuEvent(QContextMenuEvent *event)
 
 void Header::on_action_set_name_triggered()
 {
+       bool ok = false;
+
        shared_ptr<view::Signal> context_signal = _context_signal;
        if (!context_signal)
                return;
 
        const QString new_label = QInputDialog::getText(this, tr("Set Name"),
-               tr("Name"), QLineEdit::Normal, context_signal->get_name());
+               tr("Name"), QLineEdit::Normal, context_signal->get_name(), &ok);
 
-       if (!new_label.isEmpty())
+       if (ok)
                context_signal->set_name(new_label);
 }