Show toast when manual device is not found (#4932)

Author: cagnulein

src/devices/bluetooth.cpp

@@ -236,6 +236,13 @@ void bluetooth::finished() {
         return;
     }
 
+    const QString manualDevice =
+        settings.value(QZSettings::filter_device, QZSettings::default_filter_device).toString();
+    if (!onlyDiscover && !gymModeEnabled() &&
+        manualDevice.compare(QZSettings::default_filter_device, Qt::CaseInsensitive) != 0) {
+        emit manualDeviceNotFound(manualDevice);
+    }
+
     QString heartRateBeltName =
         settings.value(QZSettings::heart_rate_belt_name, QZSettings::default_heart_rate_belt_name).toString();
     QString ftmsAccessoryName =

src/devices/bluetooth.h

@@ -387,6 +387,7 @@ class bluetooth : public QObject, public SignalHandler {
   signals:
     void deviceConnected(QBluetoothDeviceInfo b);
     void deviceFound(QString name);
+    void manualDeviceNotFound(QString name);
     void searchingStop();
     void ftmsAccessoryConnected(smartspin2k *d);
 

src/homeform.cpp

@@ -878,6 +878,12 @@ homeform::homeform(QQmlApplicationEngine *engine, bluetooth *bl) {
     connect(bluetoothManager, &bluetooth::bluetoothDeviceConnected, this, &homeform::bluetoothDeviceConnected);
     connect(bluetoothManager, &bluetooth::bluetoothDeviceDisconnected, this, &homeform::bluetoothDeviceDisconnected);
     connect(bluetoothManager, &bluetooth::deviceFound, this, &homeform::deviceFound);
+    connect(bluetoothManager, &bluetooth::manualDeviceNotFound, this, [this](const QString &name) {
+        setToastRequested(
+            QStringLiteral("QZ is looking for %1. Please wake it up or change this device under the Manual Device "
+                           "setting in Advanced Settings.")
+                .arg(name));
+    });
     connect(bluetoothManager, &bluetooth::deviceConnected, this, &homeform::deviceConnected);
     connect(bluetoothManager, &bluetooth::ftmsAccessoryConnected, this, &homeform::ftmsAccessoryConnected);
     connect(bluetoothManager, &bluetooth::deviceConnected, this, &homeform::trainProgramSignals);