Merge pull request #2820 from oxalica/feat/systemd-failed-units

Add module systemd-failed-units to monitor failed systemd units

include/factory.hpp

@@ -93,6 +93,9 @@
 #ifdef HAVE_LIBCAVA
 #include "modules/cava.hpp"
 #endif
+#ifdef HAVE_SYSTEMD_MONITOR
+#include "modules/systemd_failed_units.hpp"
+#endif
 #include "bar.hpp"
 #include "modules/cffi.hpp"
 #include "modules/custom.hpp"

include/modules/systemd_failed_units.hpp

@@ -0,0 +1,30 @@
+#pragma once
+
+#include <string>
+#include <giomm/dbusproxy.h>
+
+#include "ALabel.hpp"
+
+namespace waybar::modules {
+
+class SystemdFailedUnits : public ALabel {
+ public:
+  SystemdFailedUnits(const std::string&, const Json::Value&);
+  virtual ~SystemdFailedUnits();
+  auto update() -> void override;
+
+ private:
+  bool hide_on_ok;
+  std::string format_ok;
+
+  bool update_pending;
+  std::string last_status;
+  uint32_t nr_failed_system, nr_failed_user;
+  Glib::RefPtr<Gio::DBus::Proxy> system_proxy, user_proxy;
+
+  void notify_cb(const Glib::ustring &sender_name, const Glib::ustring &signal_name,
+                 const Glib::VariantContainerBase &arguments);
+  void updateData();
+};
+
+}  // namespace waybar::modules