Battery event (#18)

include/factory.hpp

@@ -15,7 +15,7 @@ namespace waybar {
   class Factory {
 	  public:
       Factory(Bar &bar, Json::Value config);
-      IModule &makeModule(std::string name);
+      IModule *makeModule(std::string name);
     private:
       Bar &_bar;
       Json::Value _config;

include/modules/battery.hpp

@@ -5,6 +5,7 @@
 #include <fstream>
 #include <iostream>
 #include <fmt/format.h>
+#include <sys/inotify.h>
 #include "util/chrono.hpp"
 #include "IModule.hpp"
 
@@ -18,7 +19,7 @@ namespace waybar::modules {
       auto update() -> void;
       operator Gtk::Widget&();
     private:
-      std::string _getIcon(uint32_t percentage);
+      std::string _getIcon(uint16_t percentage);
       static inline const fs::path _data_dir = "/sys/class/power_supply/";
       std::vector<fs::path> _batteries;
       util::SleeperThread _thread;

include/util/chrono.hpp

@@ -39,7 +39,9 @@ namespace waybar::util {
             func();
           } while (do_run);
         }}
-    {}
+    {
+      defined = true;
+    }
 
     SleeperThread& operator=(std::function<void()> func)
     {
@@ -48,6 +50,7 @@ namespace waybar::util {
           func();
         } while (do_run);
       });
+      defined = true;
       return *this;
     }
 
@@ -72,14 +75,17 @@ namespace waybar::util {
     ~SleeperThread()
     {
       do_run = false;
-      condvar.notify_all();
-      thread.join();
+      if (defined) {
+        condvar.notify_all();
+        thread.join();
+      }
     }
 
   private:
     std::thread thread;
     std::condition_variable condvar;
     std::mutex mutex;
+    bool defined = false;
     bool do_run = true;
   };