Implement re-enumerate button

AdaptiveBrightness/main_window.cpp

@@ -61,15 +61,20 @@ void MainWindow::enumSensors()
 
 void MainWindow::enumMonitors()
 {
+    m_mtx.lock();
+
     m_ui.monitorDropdown->clear();
+    m_monitors.clear();
 
     auto monitors = enumerateMonitors();
 
     for(auto& monitor: monitors) {
         const auto currentBrightness = monitor.getBrightness();
-        m_ui.monitorDropdown->addItem(monitor.getName());
         m_monitors.push_back({std::move(monitor), 0.f, 1.f, currentBrightness, false});
+        m_ui.monitorDropdown->addItem(m_monitors.back().driver.getName());
     }
+
+    m_mtx.unlock();
 }
 
 void MainWindow::loadIcons()
@@ -110,6 +115,7 @@ void MainWindow::loadIcons()
 void MainWindow::setupMonitorsTab()
 {
     connect(m_ui.monitorDropdown, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &MainWindow::updateCurrentMonitorGUI);
+    connect(m_ui.monitorEnumerateButton, &QAbstractButton::clicked, [this](bool) { enumMonitors(); });
 
     setupLimitsSlider();
     setupOverallLimitsSlider();
@@ -261,6 +267,10 @@ void MainWindow::setupCallbackTimer()
 
 void MainWindow::updateCurrentMonitorGUI(int index)
 {
+    if(index == -1) {
+        return;
+    }
+
     m_ui.monitorMinBrightnessSlider->setValue(utils::map(m_monitors[index].minBrightness, 0.f, 1.f, 0, 100));
     m_ui.monitorMaxBrightnessSlider->setValue(utils::map(m_monitors[index].maxBrightness, 0.f, 1.f, 0, 100));
     m_ui.monitorBrightnessSlider->setValue(utils::map(m_monitors[index].brightness, 0.f, 1.f, 0, 100));
@@ -269,6 +279,8 @@ void MainWindow::updateCurrentMonitorGUI(int index)
 
 void MainWindow::updateState()
 {
+    m_mtx.lock();
+
     qDebug(ltr("Updating state"));
 
     bool sensorError = false;
@@ -322,6 +334,8 @@ void MainWindow::updateState()
     if(m_trayIcon) {
         m_trayIcon->setToolTip(tr("AdaptiveBrightness - %1%").arg(brightness * 100, 0, 'f', 0));
     }
+
+    m_mtx.unlock();
 }
 
 bool MainWindow::setMonitorBrightness(float& brightness)

AdaptiveBrightness/main_window.hpp

@@ -8,6 +8,7 @@
 #include <QIcon>
 #include <QMainWindow>
 #include <QMenu>
+#include <QMutex>
 #include <QSlider>
 #include <QSystemTrayIcon>
 #include <QThread>
@@ -63,6 +64,7 @@ class MainWindow : public QMainWindow {
 
     QThread* m_timerThread = nullptr;
     QTimer* m_timer = nullptr;
+    QMutex m_mtx;
 
     struct SensorData {
         Sensor driver;