optimized the code, added some bugs :)

src/widgets/volumeWidget.cpp

@@ -17,15 +17,10 @@ VolumeWidget::VolumeWidget() : Gtk::Box(Gtk::Orientation::HORIZONTAL) {
 
     append(label);
 
-    // Click toggles mute using wpctl
     click = Gtk::GestureClick::create();
     click->set_button(GDK_BUTTON_PRIMARY);
-    // signal_released provides (int, double, double) — use lambda to ignore
-    // args
-    click->signal_released().connect([this](int /*n_press*/, double /*x*/,
-                                            double /*y*/) {
+    click->signal_released().connect([this](int, double, double) {
         try {
-            // Toggle mute then refresh
             (void)SystemHelper::get_command_output(
                 "wpctl set-mute @DEFAULT_SINK@ toggle");
         } catch (const std::exception &ex) {
@@ -34,19 +29,17 @@ VolumeWidget::VolumeWidget() : Gtk::Box(Gtk::Orientation::HORIZONTAL) {
         }
         this->update();
     });
-    add_controller(click);
 
-    // Initial read
+    add_controller(click);
     update();
 
-    // Start polling every 1 second to keep the display up to date
-    timeoutConn = Glib::signal_timeout().connect(
+    this->timeoutConn = Glib::signal_timeout().connect(
         sigc::mem_fun(*this, &VolumeWidget::on_timeout), 100);
 }
 
 VolumeWidget::~VolumeWidget() {
-    if (timeoutConn.connected())
-        timeoutConn.disconnect();
+    if (this->timeoutConn.connected())
+        this->timeoutConn.disconnect();
 }
 
 void VolumeWidget::update() {
@@ -54,7 +47,6 @@ void VolumeWidget::update() {
         const std::string out =
             SystemHelper::get_command_output("wpctl get-volume @DEFAULT_SINK@");
 
-        // Attempt to parse a number (percentage or fraction)
         std::smatch m;
         std::regex r_percent(R"((\d+(?:\.\d+)?)%)");
         std::regex r_number(R"((\d+(?:\.\d+)?))");
@@ -65,7 +57,6 @@ void VolumeWidget::update() {
         if (std::regex_search(text, m, r_percent)) {
             percent = static_cast<int>(std::round(std::stod(m[1].str())));
         } else if (std::regex_search(text, m, r_number)) {
-            // If number looks like 0.8 treat as fraction
             const double v = std::stod(m[1].str());
             if (v <= 1.0)
                 percent = static_cast<int>(std::round(v * 100.0));
@@ -76,7 +67,6 @@ void VolumeWidget::update() {
         if (percent >= 0) {
             label.set_text(std::to_string(percent) + "%");
         } else {
-            // Fallback to raw output (trimmed)
             auto pos = text.find_first_not_of(" \t\n\r");
             if (pos != std::string::npos) {
                 auto end = text.find_last_not_of(" \t\n\r");
@@ -94,5 +84,6 @@ void VolumeWidget::update() {
 
 bool VolumeWidget::on_timeout() {
     update();
+
     return true; // keep timeout active
 }