finish MVP

include/modules/hyprland/workspaces.hpp

@@ -7,17 +7,27 @@
 
 namespace waybar::modules::hyprland {
 
+struct WorkspaceDto {
+  int id;
+
+  static WorkspaceDto parse(const Json::Value& value);
+};
+
 class Workspace {
  public:
   Workspace(int id);
-  int id() { return id_; };
+  Workspace(WorkspaceDto dto);
+  int id() const { return id_; };
+  int active() const { return active_; };
+  std::string& select_icon(std::map<std::string, std::string>& icons_map);
+  void set_active(bool value = true) { active_ = value; };
   Gtk::Button& button() { return button_; };
 
-  static Workspace parse(const Json::Value&);
-  void update();
+  void update(const std::string& format, const std::string& icon);
 
  private:
   int id_;
+  bool active_;
 
   Gtk::Button button_;
   Gtk::Box content_;
@@ -33,9 +43,13 @@ class Workspaces : public AModule, public EventHandler {
 
  private:
   void onEvent(const std::string&) override;
+  void sort_workspaces();
 
-  std::vector<Workspace> workspaces;
-
+  std::string format_;
+  std::map<std::string, std::string> icons_map_;
+  bool with_icon_;
+  int active_workspace_id;
+  std::vector<Workspace> workspaces_;
   std::mutex mutex_;
   const Bar& bar_;
   Gtk::Box box_;

src/modules/hyprland/workspaces.cpp

@@ -1,15 +1,32 @@
 #include "modules/hyprland/workspaces.hpp"
 
+#include <json/value.h>
 #include <spdlog/spdlog.h>
 
 #include <algorithm>
+#include <charconv>
 #include <string>
 
 namespace waybar::modules::hyprland {
+
 Workspaces::Workspaces(const std::string &id, const Bar &bar, const Json::Value &config)
     : AModule(config, "workspaces", id, false, false),
       bar_(bar),
       box_(bar.vertical ? Gtk::ORIENTATION_VERTICAL : Gtk::ORIENTATION_HORIZONTAL, 0) {
+  Json::Value config_format = config["format"];
+
+  format_ = config_format.isString() ? config_format.asString() : "{id}";
+  with_icon_ = format_.find("{icon}") != std::string::npos;
+
+  if (with_icon_ && icons_map_.empty()) {
+    Json::Value format_icons = config["format-icons"];
+    for (std::string &name : format_icons.getMemberNames()) {
+      icons_map_.emplace(name, format_icons[name].asString());
+    }
+
+    icons_map_.emplace("", "");
+  }
+
   box_.set_name("workspaces");
   if (!id.empty()) {
     box_.get_style_context()->add_class(id);
@@ -22,33 +39,64 @@ Workspaces::Workspaces(const std::string &id, const Bar &bar, const Json::Value
 
   init();
 
+  gIPC->registerForIPC("workspace", this);
   gIPC->registerForIPC("createworkspace", this);
   gIPC->registerForIPC("destroyworkspace", this);
-  gIPC->registerForIPC("urgent", this);
 }
 
 auto Workspaces::update() -> void {
   std::lock_guard<std::mutex> lock(mutex_);
-  for (Workspace &workspace : workspaces) {
-    workspace.update();
+  for (Workspace &workspace : workspaces_) {
+    workspace.set_active(workspace.id() == active_workspace_id);
+
+    std::string &workspace_icon = icons_map_[""];
+    if (with_icon_) {
+      workspace_icon = workspace.select_icon(icons_map_);
     }
+
+    workspace.update(format_, workspace_icon);
+  }
+
   AModule::update();
 }
 
-void Workspaces::onEvent(const std::string &ev) { dp.emit(); }
+void Workspaces::onEvent(const std::string &ev) {
+  std::string eventName(begin(ev), begin(ev) + ev.find_first_of('>'));
+  std::string payload = ev.substr(eventName.size() + 2);
+  if (eventName == "workspace") {
+    std::from_chars(payload.data(), payload.data() + payload.size(), active_workspace_id);
+  } else if (eventName == "destroyworkspace") {
+    int deleted_workspace_id;
+    std::from_chars(payload.data(), payload.data() + payload.size(), deleted_workspace_id);
+    workspaces_.erase(std::remove_if(workspaces_.begin(), workspaces_.end(),
+                                     [&](Workspace &x) { return x.id() == deleted_workspace_id; }));
+  } else if (eventName == "createworkspace") {
+    int new_workspace_id;
+    std::from_chars(payload.data(), payload.data() + payload.size(), new_workspace_id);
+    workspaces_.push_back(new_workspace_id);
+    Gtk::Button& new_workspace_button = workspaces_.back().button();
+    box_.pack_end(new_workspace_button, false, false);
+    sort_workspaces();
+    new_workspace_button.show_all();
+  }
+
+  dp.emit();
+}
 
 void Workspaces::init() {
-  const auto activeWorkspace = Workspace::parse(gIPC->getSocket1JsonReply("activeworkspace"));
+  const auto activeWorkspace = WorkspaceDto::parse(gIPC->getSocket1JsonReply("activeworkspace"));
+  active_workspace_id = activeWorkspace.id;
   const Json::Value workspaces_json = gIPC->getSocket1JsonReply("workspaces");
   for (const Json::Value &workspace_json : workspaces_json) {
-    workspaces.push_back(Workspace::parse(workspace_json));
+    workspaces_.push_back(Workspace(WorkspaceDto::parse(workspace_json)));
   }
-  std::sort(workspaces.begin(), workspaces.end(),
-            [](Workspace &lhs, Workspace &rhs) { return lhs.id() < rhs.id(); });
-  for (auto &workspace : workspaces) {
+
+  for (auto &workspace : workspaces_) {
     box_.pack_start(workspace.button(), false, false);
   }
 
+  sort_workspaces();
+
   dp.emit();
 }
 
@@ -58,15 +106,62 @@ Workspaces::~Workspaces() {
   std::lock_guard<std::mutex> lg(mutex_);
 }
 
-Workspace Workspace::Workspace::parse(const Json::Value &value) {
-  return Workspace{value["id"].asInt()};
+WorkspaceDto WorkspaceDto::parse(const Json::Value &value) {
+  return WorkspaceDto{value["id"].asInt()};
 }
 
+Workspace::Workspace(WorkspaceDto dto) : Workspace(dto.id){};
+
 Workspace::Workspace(int id) : id_(id) {
   button_.set_relief(Gtk::RELIEF_NONE);
   content_.set_center_widget(label_);
   button_.add(content_);
 };
 
-void Workspace::update() { label_.set_text(std::to_string(id_)); }
+void add_or_remove_class(Glib::RefPtr<Gtk::StyleContext> context, bool condition,
+                         const std::string &class_name) {
+  if (condition) {
+    context->add_class(class_name);
+  } else {
+    context->remove_class(class_name);
+  }
+}
+
+void Workspace::update(const std::string &format, const std::string &icon) {
+  Glib::RefPtr<Gtk::StyleContext> style_context = button_.get_style_context();
+  add_or_remove_class(style_context, active(), "active");
+
+  label_.set_markup(
+      fmt::format(fmt::runtime(format), fmt::arg("id", id()), fmt::arg("icon", icon)));
+}
+
+void Workspaces::sort_workspaces() {
+  std::sort(workspaces_.begin(), workspaces_.end(),
+            [](Workspace &lhs, Workspace &rhs) { return lhs.id() < rhs.id(); });
+
+  for (size_t i = 0; i < workspaces_.size(); ++i) {
+    box_.reorder_child(workspaces_[i].button(), i);
+  }
+}
+
+std::string &Workspace::select_icon(std::map<std::string, std::string> &icons_map) {
+  if (active()) {
+    auto active_icon_it = icons_map.find("active");
+    if (active_icon_it != icons_map.end()) {
+      return active_icon_it->second;
+    }
+  }
+
+  auto named_icon_it = icons_map.find(std::to_string(id()));
+  if (named_icon_it != icons_map.end()) {
+    return named_icon_it->second;
+  }
+
+  auto default_icon_it = icons_map.find("default");
+  if (default_icon_it != icons_map.end()) {
+    return default_icon_it->second;
+  }
+
+  return icons_map[""];
+}
 }  // namespace waybar::modules::hyprland