diff --git a/include/factory.hpp b/include/factory.hpp
index 14b976b..d2e5553 100644
--- a/include/factory.hpp
+++ b/include/factory.hpp
@@ -20,6 +20,8 @@
 
 namespace waybar {
 
+class Bar;
+
 class Factory {
   public:
     Factory(Bar& bar, const Json::Value& config);
diff --git a/include/modules/custom.hpp b/include/modules/custom.hpp
index dcab363..f055383 100644
--- a/include/modules/custom.hpp
+++ b/include/modules/custom.hpp
@@ -13,10 +13,12 @@ class Custom : public ALabel {
     Custom(const std::string, const Json::Value&);
     auto update() -> void;
   private:
-    void worker();
+    void delayWorker();
+    void continuousWorker();
 
     const std::string name_;
     waybar::util::SleeperThread thread_;
+    waybar::util::command::res output_;
 };
 
 }
diff --git a/include/modules/network.hpp b/include/modules/network.hpp
index fef64a4..4e81c99 100644
--- a/include/modules/network.hpp
+++ b/include/modules/network.hpp
@@ -17,8 +17,8 @@ class Network : public ALabel {
     ~Network();
     auto update() -> void;
   private:
-    static uint64_t netlinkRequest(int, void*, uint32_t, uint32_t groups = 0);
-    static uint64_t netlinkResponse(int, void*, uint32_t, uint32_t groups = 0);
+    static int netlinkRequest(int, void*, uint32_t, uint32_t groups = 0);
+    static int netlinkResponse(int, void*, uint32_t, uint32_t groups = 0);
     static int scanCb(struct nl_msg*, void*);
 
     void disconnected();
@@ -33,7 +33,7 @@ class Network : public ALabel {
     int ifid_;
     sa_family_t family_;
     int sock_fd_;
-    struct sockaddr_nl nladdr_ = {0};
+    struct sockaddr_nl nladdr_ = {};
     struct nl_sock* sk_ = nullptr;
     int nl80211_id_;
 
diff --git a/include/modules/sway/window.hpp b/include/modules/sway/window.hpp
index 81cd086..d672829 100644
--- a/include/modules/sway/window.hpp
+++ b/include/modules/sway/window.hpp
@@ -1,6 +1,7 @@
 #pragma once
 
 #include <fmt/format.h>
+#include <tuple>
 #include "bar.hpp"
 #include "client.hpp"
 #include "util/chrono.hpp"
@@ -16,7 +17,7 @@ class Window : public ALabel {
     auto update() -> void;
   private:
     void worker();
-    std::string getFocusedNode(Json::Value nodes);
+    std::tuple<int, std::string> getFocusedNode(Json::Value nodes);
     void getFocusedWindow();
 
     Bar& bar_;
@@ -24,6 +25,7 @@ class Window : public ALabel {
     util::JsonParser parser_;
     Ipc ipc_;
     std::string window_;
+    int windowId_;
 };
 
 }
diff --git a/include/modules/sway/workspaces.hpp b/include/modules/sway/workspaces.hpp
index 14adeed..88d4f1a 100644
--- a/include/modules/sway/workspaces.hpp
+++ b/include/modules/sway/workspaces.hpp
@@ -18,7 +18,7 @@ class Workspaces : public IModule {
   private:
     void worker();
     void addWorkspace(Json::Value);
-    std::string getIcon(std::string);
+    std::string getIcon(std::string, Json::Value);
     bool handleScroll(GdkEventScroll*);
     int getPrevWorkspace();
     int getNextWorkspace();
diff --git a/include/util/chrono.hpp b/include/util/chrono.hpp
index 39695b4..828273a 100644
--- a/include/util/chrono.hpp
+++ b/include/util/chrono.hpp
@@ -70,7 +70,7 @@ struct SleeperThread {
     condvar_.notify_all();
   }
 
-  ~SleeperThread()
+  auto stop()
   {
     do_run_ = false;
     condvar_.notify_all();
@@ -79,6 +79,11 @@ struct SleeperThread {
     }
   }
 
+  ~SleeperThread()
+  {
+    stop();
+  }
+
 private:
   std::thread thread_;
   std::condition_variable condvar_;
diff --git a/include/util/command.hpp b/include/util/command.hpp
index 80773cb..1806958 100644
--- a/include/util/command.hpp
+++ b/include/util/command.hpp
@@ -4,12 +4,12 @@
 
 namespace waybar::util::command {
 
-struct cmd_res {
+struct res {
   int exit_code;
   std::string out;
 };
 
-inline struct cmd_res exec(const std::string cmd)
+inline struct res exec(const std::string cmd)
 {
   FILE* fp(popen(cmd.c_str(), "r"));
   if (!fp) {
diff --git a/meson.build b/meson.build
index 640c58e..20f5ca8 100644
--- a/meson.build
+++ b/meson.build
@@ -56,7 +56,7 @@ src_files = files(
     'src/client.cpp'
 )
 
-if find_program('sway').found()
+if find_program('sway', required : false).found()
     add_project_arguments('-DHAVE_SWAY', language: 'cpp')
     src_files += [
         'src/modules/sway/ipc/client.cpp',
diff --git a/preview-2.png b/preview-2.png
index 8459ce2..c960d7f 100644
Binary files a/preview-2.png and b/preview-2.png differ
diff --git a/preview.png b/preview.png
index f234d95..6448997 100644
Binary files a/preview.png and b/preview.png differ
diff --git a/resources/config b/resources/config
index 42dd753..de1a99a 100644
--- a/resources/config
+++ b/resources/config
@@ -8,17 +8,21 @@
     "modules-center": ["sway/window"],
     "modules-right": ["pulseaudio", "network", "cpu", "memory", "battery", "clock", "tray"],
     // Modules configuration
-    "sway/workspaces": {
-        // "disable-scroll": true,
-        // "all-outputs": true,
-        // "format-icons": {
-        //     "1": "",
-        //     "2": "",
-        //     "3": "",
-        //     "4": "",
-        //     "5": ""
-        // }
-    },
+    // "sway/workspaces": {
+    //     "disable-scroll": true,
+    //     "all-outputs": true,
+    //     "format": "{name}: {icon}",
+    //     "format-icons": {
+    //         "1": "",
+    //         "2": "",
+    //         "3": "",
+    //         "4": "",
+    //         "5": "",
+    //         "urgent": "",
+    //         "focused": "",
+    //         "default": ""
+    //     }
+    // },
     "sway/window": {
         "max-length": 50
     },
@@ -58,6 +62,7 @@
     "custom/spotify": {
         "format": " {}",
         "max-length": 40,
+        "interval": 30, // Remove this if your script is endless and write in loop
         "exec": "$HOME/.config/waybar/mediaplayer.sh", // Script in resources folder
         "exec-if": "pgrep spotify"
     }
diff --git a/resources/style.css b/resources/style.css
index ee9b6a0..a3538d4 100644
--- a/resources/style.css
+++ b/resources/style.css
@@ -18,10 +18,6 @@ window {
     border-bottom: 3px solid transparent;
 }
 
-#workspaces button.icon label {
-    font-size: 10px;
-}
-
 #workspaces button.focused {
     background: #64727D;
     border-bottom: 3px solid white;
diff --git a/src/ALabel.cpp b/src/ALabel.cpp
index 0e6bbee..2d1ea5e 100644
--- a/src/ALabel.cpp
+++ b/src/ALabel.cpp
@@ -24,7 +24,7 @@ auto waybar::ALabel::update() -> void
   // Nothing here
 }
 
-bool waybar::ALabel::handleToggle(GdkEventButton* const& ev)
+bool waybar::ALabel::handleToggle(GdkEventButton* const& /*ev*/)
 {
   alt = !alt;
   if (alt) {
diff --git a/src/factory.cpp b/src/factory.cpp
index 0259bab..d3c53f3 100644
--- a/src/factory.cpp
+++ b/src/factory.cpp
@@ -14,10 +14,10 @@ waybar::IModule* waybar::Factory::makeModule(const std::string &name) const
     if (name == "sway/workspaces") {
       return new waybar::modules::sway::Workspaces(bar_, config_[name]);
     }
-    #endif
     if (name == "sway/window") {
       return new waybar::modules::sway::Window(bar_, config_[name]);
     }
+    #endif
     if (name == "memory") {
       return new waybar::modules::Memory(config_[name]);
     }
diff --git a/src/main.cpp b/src/main.cpp
index 6646e03..85e120e 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -13,7 +13,7 @@ int main(int argc, char* argv[])
   try {
     waybar::Client c(argc, argv);
     waybar::client = &c;
-    std::signal(SIGUSR1, [] (int signal) {
+    std::signal(SIGUSR1, [] (int /*signal*/) {
       for (auto& bar : waybar::client->bars) {
         (*bar).toggle();
       }
diff --git a/src/modules/cpu.cpp b/src/modules/cpu.cpp
index 50f7776..6f826e3 100644
--- a/src/modules/cpu.cpp
+++ b/src/modules/cpu.cpp
@@ -13,7 +13,7 @@ waybar::modules::Cpu::Cpu(const Json::Value& config)
 
 auto waybar::modules::Cpu::update() -> void
 {
-  struct sysinfo info = {0};
+  struct sysinfo info = {};
   if (sysinfo(&info) == 0) {
     float f_load = 1.f / (1u << SI_LOAD_SHIFT);
     uint16_t load = info.loads[0] * f_load * 100 / get_nprocs();
diff --git a/src/modules/custom.cpp b/src/modules/custom.cpp
index ccb9e4d..347f51c 100644
--- a/src/modules/custom.cpp
+++ b/src/modules/custom.cpp
@@ -7,12 +7,16 @@ waybar::modules::Custom::Custom(const std::string name,
   if (!config_["exec"]) {
     throw std::runtime_error(name_ + " has no exec path.");
   }
-  worker();
+  if (config_["interval"]) {
+    delayWorker();
+  } else {
+    continuousWorker();
+  }
 }
 
-void waybar::modules::Custom::worker()
+void waybar::modules::Custom::delayWorker()
 {
-  uint32_t interval = config_["interval"] ? config_["inveral"].asUInt() : 30;
+  auto interval = config_["interval"].asUInt();
   thread_ = [this, interval] {
     bool can_update = true;
     if (config_["exec-if"]) {
@@ -24,25 +28,53 @@ void waybar::modules::Custom::worker()
       }
     }
     if (can_update) {
+      output_ = waybar::util::command::exec(config_["exec"].asString());
       dp.emit();
     }
     thread_.sleep_for(chrono::seconds(interval));
   };
 }
 
+void waybar::modules::Custom::continuousWorker()
+{
+  auto cmd = config_["exec"].asString();
+  FILE* fp(popen(cmd.c_str(), "r"));
+  if (!fp) {
+    throw std::runtime_error("Unable to open " + cmd);
+  }
+  thread_ = [this, fp] {
+    char* buff = nullptr;
+    size_t len = 0;
+    if (getline(&buff, &len, fp) == -1) {
+      pclose(fp);
+      thread_.stop();
+      output_ = { 1, "" };
+      dp.emit();
+      return;
+    }
+
+    std::string output = buff;
+
+    // Remove last newline
+    if (!output.empty() && output[output.length()-1] == '\n') {
+      output.erase(output.length()-1);
+    }
+    output_ = { 0, output };
+    dp.emit();
+  };
+}
+
 auto waybar::modules::Custom::update() -> void
 {
-  auto res = waybar::util::command::exec(config_["exec"].asString());
-
   // Hide label if output is empty
-  if (res.out.empty() || res.exit_code != 0) {
+  if (output_.out.empty() || output_.exit_code != 0) {
     label_.hide();
     label_.set_name("");
   } else {
     label_.set_name("custom-" + name_);
-    auto str = fmt::format(format_, res.out);
+    auto str = fmt::format(format_, output_.out);
     label_.set_text(str);
     label_.set_tooltip_text(str);
     label_.show();
   }
-}
+}
\ No newline at end of file
diff --git a/src/modules/memory.cpp b/src/modules/memory.cpp
index d3d9877..4c09bdf 100644
--- a/src/modules/memory.cpp
+++ b/src/modules/memory.cpp
@@ -13,7 +13,7 @@ waybar::modules::Memory::Memory(const Json::Value& config)
 
 auto waybar::modules::Memory::update() -> void
 {
-  struct sysinfo info = {0};
+  struct sysinfo info = {};
   if (sysinfo(&info) == 0) {
     auto total = info.totalram * info.mem_unit;
     auto freeram = info.freeram * info.mem_unit;
diff --git a/src/modules/network.cpp b/src/modules/network.cpp
index 94d5c7a..1df835e 100644
--- a/src/modules/network.cpp
+++ b/src/modules/network.cpp
@@ -165,7 +165,7 @@ int waybar::modules::Network::getExternalInterface()
    * consume responses till NLMSG_DONE/NLMSG_ERROR is encountered).
    */
   do {
-    uint64_t len = netlinkResponse(sock_fd_, resp, route_buffer_size);
+    auto len = netlinkResponse(sock_fd_, resp, route_buffer_size);
     if (len < 0) {
       goto out;
     }
@@ -255,10 +255,10 @@ out:
   return ifidx;
 }
 
-uint64_t waybar::modules::Network::netlinkRequest(int fd, void *req,
+int waybar::modules::Network::netlinkRequest(int fd, void *req,
   uint32_t reqlen, uint32_t groups)
 {
-  struct sockaddr_nl sa = {0};
+  struct sockaddr_nl sa = {};
   sa.nl_family = AF_NETLINK;
   sa.nl_groups = groups;
   struct iovec iov = { req, reqlen };
@@ -266,11 +266,11 @@ uint64_t waybar::modules::Network::netlinkRequest(int fd, void *req,
   return sendmsg(fd, &msg, 0);
 }
 
-uint64_t waybar::modules::Network::netlinkResponse(int fd, void *resp,
+int waybar::modules::Network::netlinkResponse(int fd, void *resp,
   uint32_t resplen, uint32_t groups)
 {
-  uint64_t ret;
-  struct sockaddr_nl sa = {0};
+  int ret;
+  struct sockaddr_nl sa = {};
   sa.nl_family = AF_NETLINK;
   sa.nl_groups = groups;
   struct iovec iov = { resp, resplen };
diff --git a/src/modules/sway/window.cpp b/src/modules/sway/window.cpp
index aac2b43..a2f4469 100644
--- a/src/modules/sway/window.cpp
+++ b/src/modules/sway/window.cpp
@@ -1,7 +1,7 @@
 #include "modules/sway/window.hpp"
 
 waybar::modules::sway::Window::Window(Bar &bar, const Json::Value& config)
-  : ALabel(config, "{}"), bar_(bar)
+  : ALabel(config, "{}"), bar_(bar), windowId_(-1)
 {
   label_.set_name("window");
   ipc_.connect();
@@ -20,6 +20,13 @@ void waybar::modules::sway::Window::worker()
       if ((parsed["change"] == "focus" || parsed["change"] == "title")
         && parsed["container"]["focused"].asBool()) {
         window_ = parsed["container"]["name"].asString();
+        windowId_ = parsed["container"]["id"].asInt();
+        dp.emit();
+      } else if (parsed["change"] == "close"
+        && parsed["container"]["focused"].asBool()
+        && windowId_ == parsed["container"]["id"].asInt()) {
+        window_.clear();
+        windowId_ = -1;
         dp.emit();
       }
     } catch (const std::exception& e) {
@@ -34,18 +41,19 @@ auto waybar::modules::sway::Window::update() -> void
   label_.set_tooltip_text(window_);
 }
 
-std::string waybar::modules::sway::Window::getFocusedNode(Json::Value nodes)
+std::tuple<int, std::string> waybar::modules::sway::Window::getFocusedNode(
+  Json::Value nodes)
 {
   for (auto &node : nodes) {
     if (node["focused"].asBool() && node["type"] == "con") {
-      return node["name"].asString();
+      return { node["id"].asInt(), node["name"].asString() };
     }
-    auto res = getFocusedNode(node["nodes"]);
-    if (!res.empty()) {
-      return res;
+    auto [id, name] = getFocusedNode(node["nodes"]);
+    if (id > -1 && !name.empty()) {
+      return { id, name };
     }
   }
-  return std::string();
+  return { -1, std::string() };
 }
 
 void waybar::modules::sway::Window::getFocusedWindow()
@@ -53,7 +61,9 @@ void waybar::modules::sway::Window::getFocusedWindow()
   try {
     auto res = ipc_.sendCmd(IPC_GET_TREE);
     auto parsed = parser_.parse(res.payload);
-    window_ = getFocusedNode(parsed["nodes"]);
+    auto [id, name] = getFocusedNode(parsed["nodes"]);
+    windowId_ = id;
+    window_ = name;
     Glib::signal_idle().connect_once(sigc::mem_fun(*this, &Window::update));
   } catch (const std::exception &e) {
     std::cerr << e.what() << std::endl;
diff --git a/src/modules/sway/workspaces.cpp b/src/modules/sway/workspaces.cpp
index 45be744..3e74801 100644
--- a/src/modules/sway/workspaces.cpp
+++ b/src/modules/sway/workspaces.cpp
@@ -78,6 +78,14 @@ auto waybar::modules::sway::Workspaces::update() -> void
       if (needReorder) {
         box_.reorder_child(button, node["num"].asInt());
       }
+      auto icon = getIcon(node["name"].asString(), node);
+      if (config_["format"]) {
+        auto format = config_["format"].asString();
+        button.set_label(fmt::format(format, fmt::arg("icon", icon),
+          fmt::arg("name", node["name"].asString())));
+      } else {
+        button.set_label(icon);
+      }
       button.show();
     }
   }
@@ -88,12 +96,13 @@ auto waybar::modules::sway::Workspaces::update() -> void
 
 void waybar::modules::sway::Workspaces::addWorkspace(Json::Value node)
 {
-  auto icon = getIcon(node["name"].asString());
-  auto pair = buttons_.emplace(node["num"].asInt(), icon);
+  auto icon = getIcon(node["name"].asString(), node);
+  auto format = config_["format"]
+    ? fmt::format(config_["format"].asString(), fmt::arg("icon", icon),
+      fmt::arg("name", node["name"].asString()))
+    : icon;
+  auto pair = buttons_.emplace(node["num"].asInt(), format);
   auto &button = pair.first->second;
-  if (icon != node["name"].asString()) {
-    button.get_style_context()->add_class("icon");
-  }
   box_.pack_start(button, false, false, 0);
   button.set_relief(Gtk::RELIEF_NONE);
   button.signal_clicked().connect([this, pair] {
@@ -123,13 +132,19 @@ void waybar::modules::sway::Workspaces::addWorkspace(Json::Value node)
   button.show();
 }
 
-std::string waybar::modules::sway::Workspaces::getIcon(std::string name)
+std::string waybar::modules::sway::Workspaces::getIcon(std::string name,
+  Json::Value node)
 {
-  if (config_["format-icons"][name]) {
-    return config_["format-icons"][name].asString();
-  }
-  if (config_["format-icons"]["default"]) {
-    return config_["format-icons"]["default"].asString();
+  std::vector<std::string> keys = {
+    name, "urgent", "focused", "visible", "default"};
+  for (auto const& key : keys) {
+    if (key == "focused" || key == "visible" || key == "urgent") {
+      if (config_["format-icons"][key] && node[key].asBool()) {
+        return config_["format-icons"][key].asString();
+      }
+    } else if (config_["format-icons"][key]) {
+      return config_["format-icons"][key].asString();
+    }
   }
   return name;
 }