feat: args && class id

include/ALabel.hpp

@@ -6,24 +6,24 @@
 namespace waybar {
 
 class ALabel : public IModule {
- public:
-  ALabel(const Json::Value&, const std::string format, uint16_t interval = 0);
+public:
+  ALabel(const Json::Value &, const std::string format, uint16_t interval = 0);
   virtual ~ALabel() = default;
   virtual auto update() -> void;
-  virtual std::string getIcon(uint16_t, const std::string& alt = "");
-  virtual operator Gtk::Widget&();
+  virtual std::string getIcon(uint16_t, const std::string &alt = "");
+  virtual operator Gtk::Widget &();
 
- protected:
+protected:
   Gtk::EventBox event_box_;
   Gtk::Label label_;
-  const Json::Value& config_;
+  const Json::Value &config_;
   std::string format_;
   std::mutex mutex_;
   const std::chrono::seconds interval_;
 
- private:
-  bool handleToggle(GdkEventButton* const& ev);
-  bool handleScroll(GdkEventScroll*);
+private:
+  bool handleToggle(GdkEventButton *const &ev);
+  bool handleScroll(GdkEventScroll *);
   bool alt = false;
   const std::string default_format_;
 };

include/client.hpp

@@ -15,7 +15,7 @@ class Client {
     Client(int argc, char *argv[]);
     int main(int argc, char *argv[]);
 
-    Glib::RefPtr<Gtk::Application> gtk_app;
+    Gtk::Main gtk_main;
     std::string css_file;
     std::string config_file;
     Glib::RefPtr<Gdk::Display> gdk_display;
@@ -27,8 +27,8 @@ class Client {
     std::vector<std::unique_ptr<Bar>> bars;
 
   private:
+    void setupConfigs(const std::string& config, const std::string& style);
     void bindInterfaces();
-    auto setupCss();
     const std::string getValidPath(std::vector<std::string> paths);
 
     static void handleGlobal(void *data, struct wl_registry *registry,

include/modules/battery.hpp

@@ -23,7 +23,7 @@ namespace fs = std::filesystem;
 
 class Battery : public ALabel {
   public:
-    Battery(const Json::Value&);
+    Battery(const std::string&, const Json::Value&);
     ~Battery();
     auto update() -> void;
   private:

include/modules/clock.hpp

@@ -9,7 +9,7 @@ namespace waybar::modules {
 
 class Clock : public ALabel {
   public:
-    Clock(const Json::Value&);
+    Clock(const std::string&, const Json::Value&);
     auto update() -> void;
   private:
     waybar::util::SleeperThread thread_;

include/modules/cpu.hpp

@@ -13,7 +13,7 @@ namespace waybar::modules {
 
 class Cpu : public ALabel {
   public:
-    Cpu(const Json::Value&);
+    Cpu(const std::string&, const Json::Value&);
     auto update() -> void;
   private:
     static inline const std::string data_dir_ = "/proc/stat";

include/modules/custom.hpp

@@ -11,7 +11,7 @@ namespace waybar::modules {
 
 class Custom : public ALabel {
   public:
-    Custom(const std::string, const Json::Value&);
+    Custom(const std::string&, const Json::Value&);
     ~Custom();
     auto update() -> void;
   private:

include/modules/memory.hpp

@@ -9,7 +9,7 @@ namespace waybar::modules {
 
 class Memory : public ALabel {
   public:
-    Memory(const Json::Value&);
+    Memory(const std::string&, const Json::Value&);
     auto update() -> void;
   private:
     static inline const std::string data_dir_ = "/proc/meminfo";

include/modules/network.hpp

@@ -15,7 +15,7 @@ namespace waybar::modules {
 
 class Network : public ALabel {
   public:
-    Network(const Json::Value&);
+    Network(const std::string&, const Json::Value&);
     ~Network();
     auto update() -> void;
   private:

include/modules/pulseaudio.hpp

@@ -10,7 +10,7 @@ namespace waybar::modules {
 
 class Pulseaudio : public ALabel {
   public:
-    Pulseaudio(const Json::Value&);
+    Pulseaudio(const std::string&, const Json::Value&);
     ~Pulseaudio();
     auto update() -> void;
   private:

include/modules/sni/tray.hpp

@@ -12,7 +12,7 @@ namespace waybar::modules::SNI {
 
 class Tray : public IModule {
   public:
-    Tray(const Json::Value&);
+    Tray(const std::string&, const Json::Value&);
     auto update() -> void;
     operator Gtk::Widget &();
   private:

include/modules/sway/mode.hpp

@@ -12,7 +12,7 @@ namespace waybar::modules::sway {
 
 class Mode : public ALabel {
   public:
-    Mode(const waybar::Bar&, const Json::Value&);
+    Mode(const std::string&, const waybar::Bar&, const Json::Value&);
     auto update() -> void;
   private:
     void worker();

include/modules/sway/window.hpp

@@ -13,7 +13,7 @@ namespace waybar::modules::sway {
 
 class Window : public ALabel {
   public:
-    Window(const waybar::Bar&, const Json::Value&);
+    Window(const std::string&, const waybar::Bar&, const Json::Value&);
     auto update() -> void;
   private:
     void worker();

include/modules/sway/workspaces.hpp

@@ -12,7 +12,7 @@ namespace waybar::modules::sway {
 
 class Workspaces : public IModule {
   public:
-    Workspaces(const waybar::Bar&, const Json::Value&);
+    Workspaces(const std::string&, const waybar::Bar&, const Json::Value&);
     auto update() -> void;
     operator Gtk::Widget &();
   private:

include/util/chrono.hpp

@@ -63,14 +63,14 @@ struct SleeperThread {
   {
     do_run_ = false;
     condvar_.notify_all();
-    if (thread_.joinable()) {
-      thread_.detach();
-    }
   }
 
   ~SleeperThread()
   {
     stop();
+    if (thread_.joinable()) {
+      thread_.detach();
+    }
   }
 
 private:

meson.build

@@ -9,7 +9,7 @@ project(
     ],
 )
 
-cpp_args = []
+cpp_args = ['-DVERSION="@0@"'.format(meson.project_version())]
 cpp_link_args = []
 
 if false # libc++

src/client.cpp

@@ -1,8 +1,9 @@
 #include "client.hpp"
+#include "util/clara.hpp"
 #include <iostream>
 
 waybar::Client::Client(int argc, char* argv[])
-  : gtk_app(Gtk::Application::create(argc, argv, "fr.arouillard.waybar")),
+  : gtk_main(argc, argv),
     gdk_display(Gdk::Display::get_default())
 {
   if (!gdk_display) {
@@ -12,25 +13,6 @@ waybar::Client::Client(int argc, char* argv[])
     throw std::runtime_error("Bar need to run under Wayland");
   }
   wl_display = gdk_wayland_display_get_wl_display(gdk_display->gobj());
-
-  config_file = getValidPath({
-    "$XDG_CONFIG_HOME/waybar/config",
-    "$HOME/.config/waybar/config",
-    "$HOME/waybar/config",
-    "/etc/xdg/waybar/config",
-    "./resources/config",
-  });
-  css_file = getValidPath({
-    "$XDG_CONFIG_HOME/waybar/style.css",
-    "$HOME/.config/waybar/style.css",
-    "$HOME/waybar/style.css",
-    "/etc/xdg/waybar/style.css",
-    "./resources/style.css",
-  });
-  if (css_file.empty() || config_file.empty()) {
-    throw std::runtime_error("Missing required resources files");
-  }
-  std::cout << "Resources files: " + config_file + ", " + css_file << std::endl;
 }
 
 const std::string waybar::Client::getValidPath(std::vector<std::string> paths)
@@ -88,6 +70,28 @@ void waybar::Client::handleGlobalRemove(void* data,
   }
 }
 
+void waybar::Client::setupConfigs(const std::string& config, const std::string& style)
+{
+  config_file = config.empty() ? getValidPath({
+    "$XDG_CONFIG_HOME/waybar/config",
+    "$HOME/.config/waybar/config",
+    "$HOME/waybar/config",
+    "/etc/xdg/waybar/config",
+    "./resources/config",
+  }) : config;
+  css_file = style.empty() ? getValidPath({
+    "$XDG_CONFIG_HOME/waybar/style.css",
+    "$HOME/.config/waybar/style.css",
+    "$HOME/waybar/style.css",
+    "/etc/xdg/waybar/style.css",
+    "./resources/style.css",
+  }) : style;
+  if (css_file.empty() || config_file.empty()) {
+    throw std::runtime_error("Missing required resources files");
+  }
+  std::cout << "Resources files: " + config_file + ", " + css_file << std::endl;
+}
+
 void waybar::Client::bindInterfaces()
 {
   registry = wl_display_get_registry(wl_display);
@@ -103,11 +107,32 @@ void waybar::Client::bindInterfaces()
   wl_display_roundtrip(wl_display);
 }
 
-int waybar::Client::main(int /*argc*/, char* /*argv*/[])
+int waybar::Client::main(int argc, char* argv[])
 {
+  bool show_help = false;
+  bool show_version = false;
+  std::string config;
+  std::string style;
+  auto cli = clara::detail::Help(show_help)
+    | clara::detail::Opt(show_version)["-v"]["--version"]("Show version")
+    | clara::detail::Opt(config, "config")["-c"]["--config"]("Config path")
+    | clara::detail::Opt(style, "style")["-s"]["--style"]("Style path");
+  auto res = cli.parse(clara::detail::Args(argc, argv));
+  if (!res) {
+    std::cerr << "Error in command line: " << res.errorMessage() << std::endl;
+    return 1;
+  }
+  if (show_help) {
+    std::cout << cli << std::endl;
+    return 0;
+  }
+  if (show_version) {
+    std::cout << "Waybar v" << VERSION << std::endl;
+    return 0;
+  }
+  setupConfigs(config, style);
   bindInterfaces();
-  gtk_app->hold();
-  gtk_app->run();
+  gtk_main.run();
   bars.clear();
   zxdg_output_manager_v1_destroy(xdg_output_manager);
   zwlr_layer_shell_v1_destroy(layer_shell);

src/factory.cpp

@@ -7,43 +7,45 @@ waybar::Factory::Factory(const Bar& bar, const Json::Value& config)
 waybar::IModule* waybar::Factory::makeModule(const std::string &name) const
 {
   try {
-    auto ref = name.substr(0, name.find("#"));
+    auto hash_pos = name.find("#");
+    auto ref = name.substr(0, hash_pos);
+    auto id = hash_pos != std::string::npos ? name.substr(hash_pos + 1) : "";
     if (ref == "battery") {
-      return new waybar::modules::Battery(config_[name]);
+      return new waybar::modules::Battery(id, config_[name]);
     }
     #ifdef HAVE_SWAY
     if (ref == "sway/mode") {
-      return new waybar::modules::sway::Mode(bar_, config_[name]);
+      return new waybar::modules::sway::Mode(id, bar_, config_[name]);
     }
     if (ref == "sway/workspaces") {
-      return new waybar::modules::sway::Workspaces(bar_, config_[name]);
+      return new waybar::modules::sway::Workspaces(id, bar_, config_[name]);
     }
     if (ref == "sway/window") {
-      return new waybar::modules::sway::Window(bar_, config_[name]);
+      return new waybar::modules::sway::Window(id, bar_, config_[name]);
     }
     #endif
     if (ref == "memory") {
-      return new waybar::modules::Memory(config_[name]);
+      return new waybar::modules::Memory(id, config_[name]);
     }
     if (ref == "cpu") {
-      return new waybar::modules::Cpu(config_[name]);
+      return new waybar::modules::Cpu(id, config_[name]);
     }
     if (ref == "clock") {
-      return new waybar::modules::Clock(config_[name]);
+      return new waybar::modules::Clock(id, config_[name]);
     }
     #ifdef HAVE_DBUSMENU
     if (ref == "tray") {
-      return new waybar::modules::SNI::Tray(config_[name]);
+      return new waybar::modules::SNI::Tray(id, config_[name]);
     }
     #endif
     #ifdef HAVE_LIBNL
     if (ref == "network") {
-      return new waybar::modules::Network(config_[name]);
+      return new waybar::modules::Network(id, config_[name]);
     }
     #endif
     #ifdef HAVE_LIBPULSE
     if (ref == "pulseaudio") {
-      return new waybar::modules::Pulseaudio(config_[name]);
+      return new waybar::modules::Pulseaudio(id, config_[name]);
     }
     #endif
     if (ref.compare(0, 7, "custom/") == 0 && ref.size() > 7) {

src/modules/battery.cpp

@@ -1,8 +1,12 @@
 #include "modules/battery.hpp"
 
-waybar::modules::Battery::Battery(const Json::Value& config)
+waybar::modules::Battery::Battery(const std::string& id, const Json::Value& config)
   : ALabel(config, "{capacity}%", 60)
 {
+  label_.set_name("battery");
+  if (!id.empty()) {
+    label_.get_style_context()->add_class(id);
+  }
   try {
     if (config_["bat"].isString()) {
       auto dir = data_dir_ / config_["bat"].asString();
@@ -131,10 +135,8 @@ auto waybar::modules::Battery::update() -> void
   }
   if (format.empty()) {
     event_box_.hide();
-    label_.set_name("");
   } else {
     event_box_.show();
-    label_.set_name("battery");
     label_.set_markup(fmt::format(format, fmt::arg("capacity", capacity),
       fmt::arg("icon", getIcon(capacity))));
   }

src/modules/clock.cpp

@@ -1,9 +1,12 @@
 #include "modules/clock.hpp"
 
-waybar::modules::Clock::Clock(const Json::Value& config)
+waybar::modules::Clock::Clock(const std::string& id, const Json::Value& config)
   : ALabel(config, "{:%H:%M}", 60)
 {
   label_.set_name("clock");
+  if (!id.empty()) {
+    label_.get_style_context()->add_class(id);
+  }
   thread_ = [this] {
     auto now = waybar::chrono::clock::now();
     dp.emit();

src/modules/cpu.cpp

@@ -1,9 +1,12 @@
 #include "modules/cpu.hpp"
 
-waybar::modules::Cpu::Cpu(const Json::Value& config)
+waybar::modules::Cpu::Cpu(const std::string& id, const Json::Value& config)
   : ALabel(config, "{usage}%", 10)
 {
   label_.set_name("cpu");
+  if (!id.empty()) {
+    label_.get_style_context()->add_class(id);
+  }
   thread_ = [this] {
     dp.emit();
     thread_.sleep_for(interval_);

src/modules/custom.cpp

@@ -1,18 +1,18 @@
 #include "modules/custom.hpp"
 
-waybar::modules::Custom::Custom(const std::string name,
+waybar::modules::Custom::Custom(const std::string& name,
   const Json::Value& config)
   : ALabel(config, "{}"), name_(name), fp_(nullptr)
 {
+  label_.set_name("custom-" + name_);
   if (config_["exec"].isString()) {
     if (interval_.count() > 0) {
       delayWorker();
     } else {
       continuousWorker();
     }
-  } else {
-      update();
   }
+  dp.emit();
 }
 
 waybar::modules::Custom::~Custom()
@@ -31,8 +31,7 @@ void waybar::modules::Custom::delayWorker()
       auto res = waybar::util::command::exec(config_["exec-if"].asString());
       if (res.exit_code != 0) {
         can_update = false;
-        label_.hide();
-        label_.set_name("");
+        event_box_.hide();
       }
     }
     if (can_update) {
@@ -80,11 +79,8 @@ auto waybar::modules::Custom::update() -> void
 {
   // Hide label if output is empty
   if (config_["exec"].isString() && (output_.out.empty() || output_.exit_code != 0)) {
-    label_.hide();
-    label_.set_name("");
+    event_box_.hide();
   } else {
-    label_.set_name("custom-" + name_);
-
     if (config_["return-type"].asString() == "json") {
       parseOutputJson();
     } else {
@@ -109,7 +105,7 @@ auto waybar::modules::Custom::update() -> void
       prevclass_ = "";
     }
 
-    label_.show();
+    event_box_.show();
   }
 }
 

src/modules/memory.cpp

@@ -1,8 +1,12 @@
 #include "modules/memory.hpp"
 
-waybar::modules::Memory::Memory(const Json::Value& config)
+waybar::modules::Memory::Memory(const std::string& id, const Json::Value& config)
   : ALabel(config, "{}%", 30)
 {
+  label_.set_name("memory");
+  if (!id.empty()) {
+    label_.get_style_context()->add_class(id);
+  }
   thread_ = [this] {
     dp.emit();
     thread_.sleep_for(interval_);
@@ -17,11 +21,9 @@ auto waybar::modules::Memory::update() -> void
     label_.set_markup(fmt::format(format_, used_ram_percentage));
     auto used_ram_gigabytes = (memtotal_ - memfree_) / std::pow(1024, 2);
     label_.set_tooltip_text(fmt::format("{:.{}f}Gb used", used_ram_gigabytes, 1));
-    label_.set_name("memory");
-    label_.show();
+    event_box_.show();
   } else {
-    label_.set_name("");
-    label_.hide();
+    event_box_.hide();
   }
 }
 

src/modules/network.cpp

@@ -1,9 +1,13 @@
 #include "modules/network.hpp"
 
-waybar::modules::Network::Network(const Json::Value& config)
+waybar::modules::Network::Network(const std::string& id, const Json::Value& config)
   : ALabel(config, "{ifname}", 60), family_(AF_INET),
     cidr_(-1), signal_strength_dbm_(0), signal_strength_(0)
 {
+  label_.set_name("network");
+  if (!id.empty()) {
+    label_.get_style_context()->add_class(id);
+  }
   sock_fd_ = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
   if (sock_fd_ < 0) {
     throw std::runtime_error("Can't open network socket");
@@ -29,10 +33,9 @@ waybar::modules::Network::Network(const Json::Value& config)
     }
   }
   initNL80211();
-  label_.set_name("network");
   // Trigger first values
   getInfo();
-  update();
+  dp.emit();
   worker();
 }
 

src/modules/pulseaudio.cpp

@@ -1,6 +1,6 @@
 #include "modules/pulseaudio.hpp"
 
-waybar::modules::Pulseaudio::Pulseaudio(const Json::Value &config)
+waybar::modules::Pulseaudio::Pulseaudio(const std::string& id, const Json::Value &config)
     : ALabel(config, "{volume}%"),
       mainloop_(nullptr),
       mainloop_api_(nullptr),
@@ -10,6 +10,9 @@ waybar::modules::Pulseaudio::Pulseaudio(const Json::Value &config)
       muted_(false),
       scrolling_(false) {
   label_.set_name("pulseaudio");
+  if (!id.empty()) {
+    label_.get_style_context()->add_class(id);
+  }
   mainloop_ = pa_threaded_mainloop_new();
   if (mainloop_ == nullptr) {
     throw std::runtime_error("pa_mainloop_new() failed.");

src/modules/sni/tray.cpp

@@ -2,7 +2,7 @@
 
 #include <iostream>
 
-waybar::modules::SNI::Tray::Tray(const Json::Value &config)
+waybar::modules::SNI::Tray::Tray(const std::string& id, const Json::Value &config)
     : config_(config), watcher_(), host_(nb_hosts_, config,
     std::bind(&Tray::onAdd, this, std::placeholders::_1),
     std::bind(&Tray::onRemove, this, std::placeholders::_1))

src/modules/sway/mode.cpp

@@ -1,12 +1,17 @@
 #include "modules/sway/mode.hpp"
 
-waybar::modules::sway::Mode::Mode(const Bar& bar, const Json::Value& config)
+waybar::modules::sway::Mode::Mode(const std::string& id, const Bar& bar, const Json::Value& config)
   : ALabel(config, "{}"), bar_(bar)
 {
+  label_.set_name("mode");
+  if (!id.empty()) {
+    label_.get_style_context()->add_class(id);
+  }
   ipc_.connect();
   ipc_.subscribe("[ \"mode\" ]");
   // Launch worker
   worker();
+  dp.emit();
 }
 
 void waybar::modules::sway::Mode::worker()
@@ -32,12 +37,10 @@ void waybar::modules::sway::Mode::worker()
 auto waybar::modules::sway::Mode::update() -> void
 {
   if (mode_.empty()) {
-    label_.set_name("");
-    label_.hide();
+    event_box_.hide();
   } else {
-    label_.set_name("mode");
     label_.set_markup(fmt::format(format_, mode_));
     label_.set_tooltip_text(mode_);
-    label_.show();
+    event_box_.show();
   }
 }

src/modules/sway/window.cpp

@@ -1,9 +1,12 @@
 #include "modules/sway/window.hpp"
 
-waybar::modules::sway::Window::Window(const Bar &bar, const Json::Value& config)
+waybar::modules::sway::Window::Window(const std::string& id, const Bar &bar, const Json::Value& config)
   : ALabel(config, "{}"), bar_(bar), windowId_(-1)
 {
   label_.set_name("window");
+  if (!id.empty()) {
+    label_.get_style_context()->add_class(id);
+  }
   if (label_.get_max_width_chars() == -1) {
     label_.set_hexpand(true);
     label_.set_ellipsize(Pango::EllipsizeMode::ELLIPSIZE_END);

src/modules/sway/workspaces.cpp

@@ -1,10 +1,13 @@
 #include "modules/sway/workspaces.hpp"
 
-waybar::modules::sway::Workspaces::Workspaces(const Bar& bar,
+waybar::modules::sway::Workspaces::Workspaces(const std::string& id, const Bar& bar,
   const Json::Value& config)
   : bar_(bar), config_(config), scrolling_(false)
 {
   box_.set_name("workspaces");
+  if (!id.empty()) {
+    box_.get_style_context()->add_class(id);
+  }
   ipc_.connect();
   ipc_.subscribe("[ \"workspace\" ]");
   // Launch worker