Merge pull request #2930 from zjeffer/fix/zjeffer/hyprland-clang-tidy

fix clang-tidy errors in hyprland module

.clang-tidy

@@ -22,7 +22,7 @@ CheckOptions:
   - { key: readability-identifier-naming.FunctionCase,           value: camelBack  }
   - { key: readability-identifier-naming.VariableCase,           value: camelBack  }
   - { key: readability-identifier-naming.PrivateMemberCase,      value: camelBack  }
-  - { key: readability-identifier-naming.PrivateMemberPrefix,    value: m_         }
+  - { key: readability-identifier-naming.PrivateMemberSuffix,    value: _          }
   - { key: readability-identifier-naming.EnumCase,               value: CamelCase  }
   - { key: readability-identifier-naming.EnumConstantCase,       value: UPPER_CASE }
   - { key: readability-identifier-naming.GlobalConstantCase,     value: UPPER_CASE }

include/modules/hyprland/backend.hpp

@@ -20,8 +20,8 @@ class IPC {
  public:
   IPC() { startIPC(); }
 
-  void registerForIPC(const std::string&, EventHandler*);
+  void registerForIPC(const std::string& ev, EventHandler* ev_handler);
-  void unregisterForIPC(EventHandler*);
+  void unregisterForIPC(EventHandler* handler);
 
   static std::string getSocket1Reply(const std::string& rq);
   Json::Value getSocket1JsonReply(const std::string& rq);
@@ -30,9 +30,9 @@ class IPC {
   void startIPC();
   void parseIPC(const std::string&);
 
-  std::mutex m_callbackMutex;
+  std::mutex callbackMutex_;
-  util::JsonParser m_parser;
+  util::JsonParser parser_;
-  std::list<std::pair<std::string, EventHandler*>> m_callbacks;
+  std::list<std::pair<std::string, EventHandler*>> callbacks_;
 };
 
 inline std::unique_ptr<IPC> gIPC;

include/modules/hyprland/language.hpp

@@ -30,7 +30,7 @@ class Language : public waybar::ALabel, public EventHandler {
     std::string short_description;
   };
 
-  auto getLayout(const std::string&) -> Layout;
+  static auto getLayout(const std::string&) -> Layout;
 
   std::mutex mutex_;
   const Bar& bar_;

include/modules/hyprland/submap.hpp

@@ -14,12 +14,12 @@ namespace waybar::modules::hyprland {
 class Submap : public waybar::ALabel, public EventHandler {
  public:
   Submap(const std::string&, const waybar::Bar&, const Json::Value&);
-  virtual ~Submap();
+  ~Submap() override;
 
   auto update() -> void override;
 
  private:
-  void onEvent(const std::string&) override;
+  void onEvent(const std::string& ev) override;
 
   std::mutex mutex_;
   const Bar& bar_;

include/modules/hyprland/window.hpp

@@ -25,7 +25,7 @@ class Window : public waybar::AAppIconLabel, public EventHandler {
     std::string last_window;
     std::string last_window_title;
 
-    static auto parse(const Json::Value&) -> Workspace;
+    static auto parse(const Json::Value& value) -> Workspace;
   };
 
   struct WindowData {
@@ -41,22 +41,22 @@ class Window : public waybar::AAppIconLabel, public EventHandler {
     static auto parse(const Json::Value&) -> WindowData;
   };
 
-  auto getActiveWorkspace(const std::string&) -> Workspace;
+  static auto getActiveWorkspace(const std::string&) -> Workspace;
-  auto getActiveWorkspace() -> Workspace;
+  static auto getActiveWorkspace() -> Workspace;
-  void onEvent(const std::string&) override;
+  void onEvent(const std::string& ev) override;
   void queryActiveWorkspace();
   void setClass(const std::string&, bool enable);
 
-  bool separate_outputs;
+  bool separateOutputs_;
   std::mutex mutex_;
   const Bar& bar_;
   util::JsonParser parser_;
-  WindowData window_data_;
+  WindowData windowData_;
   Workspace workspace_;
-  std::string solo_class_;
+  std::string soloClass_;
-  std::string last_solo_class_;
+  std::string lastSoloClass_;
   bool solo_;
-  bool all_floating_;
+  bool allFloating_;
   bool swallowing_;
   bool fullscreen_;
 };

src/modules/hyprland/backend.cpp

@@ -54,22 +54,22 @@ void IPC::startIPC() {
       return;
     }
 
-    auto file = fdopen(socketfd, "r");
+    auto* file = fdopen(socketfd, "r");
 
     while (true) {
-      char buffer[1024];  // Hyprland socket2 events are max 1024 bytes
+      std::array<char, 1024> buffer;  // Hyprland socket2 events are max 1024 bytes
 
-      auto recievedCharPtr = fgets(buffer, 1024, file);
+      auto* receivedCharPtr = fgets(buffer.data(), buffer.size(), file);
 
-      if (!recievedCharPtr) {
+      if (receivedCharPtr == nullptr) {
         std::this_thread::sleep_for(std::chrono::milliseconds(1));
         continue;
       }
 
-      std::string messageRecieved(buffer);
+      std::string messageReceived(buffer.data());
-      messageRecieved = messageRecieved.substr(0, messageRecieved.find_first_of('\n'));
+      messageReceived = messageReceived.substr(0, messageReceived.find_first_of('\n'));
-      spdlog::debug("hyprland IPC received {}", messageRecieved);
+      spdlog::debug("hyprland IPC received {}", messageReceived);
-      parseIPC(messageRecieved);
+      parseIPC(messageReceived);
 
       std::this_thread::sleep_for(std::chrono::milliseconds(1));
     }
@@ -78,9 +78,9 @@ void IPC::startIPC() {
 
 void IPC::parseIPC(const std::string& ev) {
   std::string request = ev.substr(0, ev.find_first_of('>'));
-  std::unique_lock lock(m_callbackMutex);
+  std::unique_lock lock(callbackMutex_);
 
-  for (auto& [eventname, handler] : m_callbacks) {
+  for (auto& [eventname, handler] : callbacks_) {
     if (eventname == request) {
       handler->onEvent(ev);
     }
@@ -88,25 +88,25 @@ void IPC::parseIPC(const std::string& ev) {
 }
 
 void IPC::registerForIPC(const std::string& ev, EventHandler* ev_handler) {
-  if (!ev_handler) {
+  if (ev_handler == nullptr) {
     return;
   }
 
-  std::unique_lock lock(m_callbackMutex);
+  std::unique_lock lock(callbackMutex_);
-  m_callbacks.emplace_back(ev, ev_handler);
+  callbacks_.emplace_back(ev, ev_handler);
 }
 
 void IPC::unregisterForIPC(EventHandler* ev_handler) {
-  if (!ev_handler) {
+  if (ev_handler == nullptr) {
     return;
   }
 
-  std::unique_lock lock(m_callbackMutex);
+  std::unique_lock lock(callbackMutex_);
 
-  for (auto it = m_callbacks.begin(); it != m_callbacks.end();) {
+  for (auto it = callbacks_.begin(); it != callbacks_.end();) {
     auto& [eventname, handler] = *it;
     if (handler == ev_handler) {
-      m_callbacks.erase(it++);
+      callbacks_.erase(it++);
     } else {
       ++it;
     }
@@ -135,9 +135,9 @@ std::string IPC::getSocket1Reply(const std::string& rq) {
   }
 
   // get the instance signature
-  auto instanceSig = getenv("HYPRLAND_INSTANCE_SIGNATURE");
+  auto* instanceSig = getenv("HYPRLAND_INSTANCE_SIGNATURE");
 
-  if (!instanceSig) {
+  if (instanceSig == nullptr) {
     spdlog::error("Hyprland IPC: HYPRLAND_INSTANCE_SIGNATURE was not set! (Is Hyprland running?)");
     return "";
   }
@@ -169,18 +169,18 @@ std::string IPC::getSocket1Reply(const std::string& rq) {
     return "";
   }
 
-  char buffer[8192] = {0};
+  std::array<char, 8192> buffer = {0};
   std::string response;
 
   do {
-    sizeWritten = read(serverSocket, buffer, 8192);
+    sizeWritten = read(serverSocket, buffer.data(), 8192);
 
     if (sizeWritten < 0) {
       spdlog::error("Hyprland IPC: Couldn't read (5)");
       close(serverSocket);
       return "";
     }
-    response.append(buffer, sizeWritten);
+    response.append(buffer.data(), sizeWritten);
   } while (sizeWritten > 0);
 
   close(serverSocket);
@@ -188,7 +188,7 @@ std::string IPC::getSocket1Reply(const std::string& rq) {
 }
 
 Json::Value IPC::getSocket1JsonReply(const std::string& rq) {
-  return m_parser.parse(getSocket1Reply("j/" + rq));
+  return parser_.parse(getSocket1Reply("j/" + rq));
 }
 
 }  // namespace waybar::modules::hyprland

src/modules/hyprland/language.cpp

@@ -13,7 +13,7 @@ Language::Language(const std::string& id, const Bar& bar, const Json::Value& con
     : ALabel(config, "language", id, "{}", 0, true), bar_(bar) {
   modulesReady = true;
 
-  if (!gIPC.get()) {
+  if (!gIPC) {
     gIPC = std::make_unique<IPC>();
   }
 
@@ -102,11 +102,11 @@ void Language::initLanguage() {
 }
 
 auto Language::getLayout(const std::string& fullName) -> Layout {
-  const auto CONTEXT = rxkb_context_new(RXKB_CONTEXT_LOAD_EXOTIC_RULES);
+  auto* const context = rxkb_context_new(RXKB_CONTEXT_LOAD_EXOTIC_RULES);
-  rxkb_context_parse_default_ruleset(CONTEXT);
+  rxkb_context_parse_default_ruleset(context);
 
-  rxkb_layout* layout = rxkb_layout_first(CONTEXT);
+  rxkb_layout* layout = rxkb_layout_first(context);
-  while (layout) {
+  while (layout != nullptr) {
     std::string nameOfLayout = rxkb_layout_get_description(layout);
 
     if (nameOfLayout != fullName) {
@@ -115,21 +115,20 @@ auto Language::getLayout(const std::string& fullName) -> Layout {
     }
 
     auto name = std::string(rxkb_layout_get_name(layout));
-    auto variant_ = rxkb_layout_get_variant(layout);
+    const auto* variantPtr = rxkb_layout_get_variant(layout);
-    std::string variant = variant_ == nullptr ? "" : std::string(variant_);
+    std::string variant = variantPtr == nullptr ? "" : std::string(variantPtr);
 
-    auto short_description_ = rxkb_layout_get_brief(layout);
+    const auto* descriptionPtr = rxkb_layout_get_brief(layout);
-    std::string short_description =
+    std::string description = descriptionPtr == nullptr ? "" : std::string(descriptionPtr);
-        short_description_ == nullptr ? "" : std::string(short_description_);
 
-    Layout info = Layout{nameOfLayout, name, variant, short_description};
+    Layout info = Layout{nameOfLayout, name, variant, description};
 
-    rxkb_context_unref(CONTEXT);
+    rxkb_context_unref(context);
 
     return info;
   }
 
-  rxkb_context_unref(CONTEXT);
+  rxkb_context_unref(context);
 
   spdlog::debug("hyprland language didn't find matching layout");
 

src/modules/hyprland/submap.cpp

@@ -10,7 +10,7 @@ Submap::Submap(const std::string& id, const Bar& bar, const Json::Value& config)
     : ALabel(config, "submap", id, "{}", 0, true), bar_(bar) {
   modulesReady = true;
 
-  if (!gIPC.get()) {
+  if (!gIPC) {
     gIPC = std::make_unique<IPC>();
   }
 

src/modules/hyprland/window.cpp

@@ -17,9 +17,9 @@ namespace waybar::modules::hyprland {
 Window::Window(const std::string& id, const Bar& bar, const Json::Value& config)
     : AAppIconLabel(config, "window", id, "{title}", 0, true), bar_(bar) {
   modulesReady = true;
-  separate_outputs = config["separate-outputs"].asBool();
+  separateOutputs_ = config["separate-outputs"].asBool();
 
-  if (!gIPC.get()) {
+  if (!gIPC) {
     gIPC = std::make_unique<IPC>();
   }
 
@@ -45,18 +45,18 @@ auto Window::update() -> void {
   // fix ampersands
   std::lock_guard<std::mutex> lg(mutex_);
 
-  std::string window_name = waybar::util::sanitize_string(workspace_.last_window_title);
+  std::string windowName = waybar::util::sanitize_string(workspace_.last_window_title);
-  std::string window_address = workspace_.last_window;
+  std::string windowAddress = workspace_.last_window;
 
-  window_data_.title = window_name;
+  windowData_.title = windowName;
 
   if (!format_.empty()) {
     label_.show();
     label_.set_markup(waybar::util::rewriteString(
-        fmt::format(fmt::runtime(format_), fmt::arg("title", window_name),
+        fmt::format(fmt::runtime(format_), fmt::arg("title", windowName),
-                    fmt::arg("initialTitle", window_data_.initial_title),
+                    fmt::arg("initialTitle", windowData_.initial_title),
-                    fmt::arg("class", window_data_.class_name),
+                    fmt::arg("class", windowData_.class_name),
-                    fmt::arg("initialClass", window_data_.initial_class_name)),
+                    fmt::arg("initialClass", windowData_.initial_class_name)),
         config_["rewrite"]));
   } else {
     label_.hide();
@@ -64,22 +64,22 @@ auto Window::update() -> void {
 
   setClass("empty", workspace_.windows == 0);
   setClass("solo", solo_);
-  setClass("floating", all_floating_);
+  setClass("floating", allFloating_);
   setClass("swallowing", swallowing_);
   setClass("fullscreen", fullscreen_);
 
-  if (!last_solo_class_.empty() && solo_class_ != last_solo_class_) {
+  if (!lastSoloClass_.empty() && soloClass_ != lastSoloClass_) {
-    if (bar_.window.get_style_context()->has_class(last_solo_class_)) {
+    if (bar_.window.get_style_context()->has_class(lastSoloClass_)) {
-      bar_.window.get_style_context()->remove_class(last_solo_class_);
+      bar_.window.get_style_context()->remove_class(lastSoloClass_);
-      spdlog::trace("Removing solo class: {}", last_solo_class_);
+      spdlog::trace("Removing solo class: {}", lastSoloClass_);
     }
   }
 
-  if (!solo_class_.empty() && solo_class_ != last_solo_class_) {
+  if (!soloClass_.empty() && soloClass_ != lastSoloClass_) {
-    bar_.window.get_style_context()->add_class(solo_class_);
+    bar_.window.get_style_context()->add_class(soloClass_);
-    spdlog::trace("Adding solo class: {}", solo_class_);
+    spdlog::trace("Adding solo class: {}", soloClass_);
   }
-  last_solo_class_ = solo_class_;
+  lastSoloClass_ = soloClass_;
 
   AAppIconLabel::update();
 }
@@ -113,8 +113,12 @@ auto Window::getActiveWorkspace(const std::string& monitorName) -> Workspace {
 }
 
 auto Window::Workspace::parse(const Json::Value& value) -> Window::Workspace {
-  return Workspace{value["id"].asInt(), value["windows"].asInt(), value["lastwindow"].asString(),
+  return Workspace{
-                   value["lastwindowtitle"].asString()};
+      value["id"].asInt(),
+      value["windows"].asInt(),
+      value["lastwindow"].asString(),
+      value["lastwindowtitle"].asString(),
+  };
 }
 
 auto Window::WindowData::parse(const Json::Value& value) -> Window::WindowData {
@@ -127,7 +131,7 @@ auto Window::WindowData::parse(const Json::Value& value) -> Window::WindowData {
 void Window::queryActiveWorkspace() {
   std::lock_guard<std::mutex> lg(mutex_);
 
-  if (separate_outputs) {
+  if (separateOutputs_) {
     workspace_ = getActiveWorkspace(this->bar_.output->name);
   } else {
     workspace_ = getActiveWorkspace();
@@ -136,33 +140,33 @@ void Window::queryActiveWorkspace() {
   if (workspace_.windows > 0) {
     const auto clients = gIPC->getSocket1JsonReply("clients");
     assert(clients.isArray());
-    auto active_window = std::find_if(clients.begin(), clients.end(), [&](Json::Value window) {
+    auto activeWindow = std::find_if(clients.begin(), clients.end(), [&](Json::Value window) {
       return window["address"] == workspace_.last_window;
     });
-    if (active_window == std::end(clients)) {
+    if (activeWindow == std::end(clients)) {
       return;
     }
 
-    window_data_ = WindowData::parse(*active_window);
+    windowData_ = WindowData::parse(*activeWindow);
-    updateAppIconName(window_data_.class_name, window_data_.initial_class_name);
+    updateAppIconName(windowData_.class_name, windowData_.initial_class_name);
-    std::vector<Json::Value> workspace_windows;
+    std::vector<Json::Value> workspaceWindows;
-    std::copy_if(clients.begin(), clients.end(), std::back_inserter(workspace_windows),
+    std::copy_if(clients.begin(), clients.end(), std::back_inserter(workspaceWindows),
                  [&](Json::Value window) {
                    return window["workspace"]["id"] == workspace_.id && window["mapped"].asBool();
                  });
     swallowing_ =
-        std::any_of(workspace_windows.begin(), workspace_windows.end(), [&](Json::Value window) {
+        std::any_of(workspaceWindows.begin(), workspaceWindows.end(), [&](Json::Value window) {
           return !window["swallowing"].isNull() && window["swallowing"].asString() != "0x0";
         });
-    std::vector<Json::Value> visible_windows;
+    std::vector<Json::Value> visibleWindows;
-    std::copy_if(workspace_windows.begin(), workspace_windows.end(),
+    std::copy_if(workspaceWindows.begin(), workspaceWindows.end(),
-                 std::back_inserter(visible_windows),
+                 std::back_inserter(visibleWindows),
                  [&](Json::Value window) { return !window["hidden"].asBool(); });
-    solo_ = 1 == std::count_if(visible_windows.begin(), visible_windows.end(),
+    solo_ = 1 == std::count_if(visibleWindows.begin(), visibleWindows.end(),
                                [&](Json::Value window) { return !window["floating"].asBool(); });
-    all_floating_ = std::all_of(visible_windows.begin(), visible_windows.end(),
+    allFloating_ = std::all_of(visibleWindows.begin(), visibleWindows.end(),
                                [&](Json::Value window) { return window["floating"].asBool(); });
-    fullscreen_ = window_data_.fullscreen;
+    fullscreen_ = windowData_.fullscreen;
 
     // Fullscreen windows look like they are solo
     if (fullscreen_) {
@@ -170,23 +174,23 @@ void Window::queryActiveWorkspace() {
     }
 
     // Grouped windows have a tab bar and therefore don't look fullscreen or solo
-    if (window_data_.grouped) {
+    if (windowData_.grouped) {
       fullscreen_ = false;
       solo_ = false;
     }
 
     if (solo_) {
-      solo_class_ = window_data_.class_name;
+      soloClass_ = windowData_.class_name;
     } else {
-      solo_class_ = "";
+      soloClass_ = "";
     }
   } else {
-    window_data_ = WindowData{};
+    windowData_ = WindowData{};
-    all_floating_ = false;
+    allFloating_ = false;
     swallowing_ = false;
     fullscreen_ = false;
     solo_ = false;
-    solo_class_ = "";
+    soloClass_ = "";
   }
 }