MainWindow: Try to use any available device aside from demo

[pulseview.git] / pv / mainwindow.cpp

diff --git a/pv/mainwindow.cpp b/pv/mainwindow.cpp
index 912ed607f200bc431e9772c2514b8d186dd3917b..65071330da07e1d24c5955448ad44efe3f929383 100644 (file)
--- a/pv/mainwindow.cpp
+++ b/pv/mainwindow.cpp
@@ -567,8 +567,9 @@ void MainWindow::select_init_device()
        QSettings settings;
        map<string, string> dev_info;
        list<string> key_list;
+       shared_ptr<devices::HardwareDevice> device;
 
-       // Re-select last used device if possible.
+       // Re-select last used device if possible but only if it's not demo
        settings.beginGroup("Device");
        key_list.push_back("vendor");
        key_list.push_back("model");
@@ -586,8 +587,24 @@ void MainWindow::select_init_device()
                        dev_info.insert(std::make_pair(key, value));
        }
 
-       const shared_ptr<devices::HardwareDevice> device =
-               device_manager_.find_device_from_info(dev_info);
+       if (dev_info.count("model") > 0)
+               if (dev_info.at("model").find("Demo device") == std::string::npos)
+                       device = device_manager_.find_device_from_info(dev_info);
+
+       // When we can't find a device similar to the one we used last
+       // time and there is at least one device aside from demo, use it
+       if (!device) {
+               for (shared_ptr<devices::HardwareDevice> dev : device_manager_.devices()) {
+                       dev_info = device_manager_.get_device_info(dev);
+
+                       if (dev_info.count("model") > 0)
+                               if (dev_info.at("model").find("Demo device") == std::string::npos) {
+                                       device = dev;
+                                       break;
+                               }
+               }
+       }
+
        select_device(device);
        update_device_list();