feat: init repo

src/modules/battery.cpp

@@ -0,0 +1,49 @@
+#include "modules/battery.hpp"
+
+waybar::modules::Battery::Battery()
+{
+  try {
+    for (auto &node : fs::directory_iterator(_data_dir)) {
+      if (fs::is_directory(node) && fs::exists(node / "charge_now") &&
+          fs::exists(node / "charge_full")) {
+        _batteries.push_back(node);
+      }
+    }
+  } catch (fs::filesystem_error &e) {
+    std::cerr << e.what() << std::endl;
+  }
+
+  _label.get_style_context()->add_class("battery-status");
+
+  _thread = [this] {
+    update();
+    _thread.sleep_for(chrono::minutes(1));
+  };
+}
+
+auto waybar::modules::Battery::update() -> void
+{
+  try {
+    for (auto &bat : _batteries) {
+      int full, now;
+      std::string status;
+      std::ifstream(bat / "charge_now") >> now;
+      std::ifstream(bat / "charge_full") >> full;
+      std::ifstream(bat / "status") >> status;
+      if (status == "Charging") {
+        _label.get_style_context()->add_class("battery-charging");
+      } else {
+        _label.get_style_context()->remove_class("battery-charging");
+      }
+      int pct = float(now) / float(full) * 100.f;
+      _label.set_text_with_mnemonic(fmt::format("{}% {}", pct, ""));
+    }
+  } catch (std::exception &e) {
+    std::cerr << e.what() << std::endl;
+  }
+}
+
+waybar::modules::Battery::operator Gtk::Widget &()
+{
+  return _label;
+}