X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fwidgets%2Fdevicetoolbutton.cpp;h=d553aba32987d7bded07a7be5767d63501fb69c0;hb=3a21afa6a5dfc06c17f127960bb0038fd322f213;hp=7ba8aa28ce6704a0553911890af33fd3ef86ff74;hpb=da30ecb7e72bd2547e524258efa5ec642988b70b;p=pulseview.git

diff --git a/pv/widgets/devicetoolbutton.cpp b/pv/widgets/devicetoolbutton.cpp
index 7ba8aa28..d553aba3 100644
--- a/pv/widgets/devicetoolbutton.cpp
+++ b/pv/widgets/devicetoolbutton.cpp
@@ -72,12 +72,19 @@ void DeviceToolButton::set_device_list(
 	const list< shared_ptr<Device> > &devices, shared_ptr<Device> selected)
 {
 	selected_device_ = selected;
-	setText(QString::fromStdString(
-		device_manager_.get_display_name(selected)));
+	setText(selected ? QString::fromStdString(
+		selected->display_name(device_manager_)) : tr("<No Device>"));
 	devices_ = vector< weak_ptr<Device> >(devices.begin(), devices.end());
 	update_device_list();
 }
 
+void DeviceToolButton::reset()
+{
+	setText(tr("<No Device>"));
+	selected_device_.reset();
+	update_device_list();
+}
+
 void DeviceToolButton::update_device_list()
 {
 	menu_.clear();
@@ -86,16 +93,16 @@ void DeviceToolButton::update_device_list()
 	menu_.addSeparator();
 
 	for (weak_ptr<Device> dev_weak_ptr : devices_) {
-		shared_ptr<Device> dev(dev_weak_ptr);
+		shared_ptr<Device> dev(dev_weak_ptr.lock());
 		if (!dev)
 			continue;
 
 		QAction *const a = new QAction(QString::fromStdString(
-			device_manager_.get_display_name(dev)), this);
+			dev->display_name(device_manager_)), this);
 		a->setCheckable(true);
 		a->setChecked(selected_device_ == dev);
 		a->setData(qVariantFromValue((void*)dev.get()));
-		a->setToolTip(QString::fromStdString(device_manager_.get_full_name(dev)));
+		a->setToolTip(QString::fromStdString(dev->full_name()));
 		mapper_.setMapping(a, a);
 
 		connect(a, SIGNAL(triggered()), &mapper_, SLOT(map()));
@@ -108,6 +115,8 @@ void DeviceToolButton::on_action(QObject *action)
 {
 	assert(action);
 
+	selected_device_.reset();
+
 	Device *const dev = (Device*)((QAction*)action)->data().value<void*>();
 	for (weak_ptr<Device> dev_weak_ptr : devices_) {
 		shared_ptr<Device> dev_ptr(dev_weak_ptr);
@@ -119,7 +128,7 @@ void DeviceToolButton::on_action(QObject *action)
 
 	update_device_list();
 	setText(QString::fromStdString(
-		device_manager_.get_display_name(selected_device_)));
+		selected_device_->display_name(device_manager_)));
 
 	device_selected();
 }