X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fsignal.cpp;h=ad139f7e4ad21cbbb79a03355aa1917fdfbd2d03;hp=a8de4d504aaa36b0fdb9960fb4f5b72c5b2391ae;hb=3a21afa6;hpb=73a25a6e488f1813c1cd12da085a16e4f91ed4da

diff --git a/pv/view/signal.cpp b/pv/view/signal.cpp
index a8de4d50..ad139f7e 100644
--- a/pv/view/signal.cpp
+++ b/pv/view/signal.cpp
@@ -68,6 +68,9 @@ Signal::Signal(pv::Session &session,
 	name_widget_(nullptr)
 {
 	assert(base_);
+
+	connect(base_.get(), SIGNAL(enabled_changed(bool)),
+		this, SLOT(on_enabled_changed(bool)));
 }
 
 void Signal::set_name(QString name)
@@ -83,17 +86,19 @@ bool Signal::enabled() const
 	return base_->enabled();
 }
 
-void Signal::enable(bool enable)
+shared_ptr<data::SignalBase> Signal::base() const
 {
-	base_->set_enabled(enable);
+	return base_;
+}
 
-	if (owner_)
-		owner_->extents_changed(true, true);
+void Signal::save_settings(QSettings &settings) const
+{
+	(void)settings;
 }
 
-shared_ptr<data::SignalBase> Signal::base() const
+void Signal::restore_settings(QSettings &settings)
 {
-	return base_;
+	(void)settings;
 }
 
 const ViewItemOwner::item_list& Signal::child_items() const
@@ -154,6 +159,11 @@ void Signal::delete_pressed()
 
 void Signal::on_name_changed(const QString &text)
 {
+	// On startup, this event is fired when a session restores signal
+	// names. However, the name widget hasn't yet been created.
+	if (!name_widget_)
+		return;
+
 	if (text != name_widget_->currentText())
 		name_widget_->setEditText(text);
 
@@ -162,7 +172,15 @@ void Signal::on_name_changed(const QString &text)
 
 void Signal::on_disable()
 {
-	enable(false);
+	base_->set_enabled(false);
+}
+
+void Signal::on_enabled_changed(bool enabled)
+{
+	(void)enabled;
+
+	if (owner_)
+		owner_->extents_changed(true, true);
 }
 
 } // namespace view