✨ add GtkMenu to the AModule class

You can configure what key launch the menu with the "menu" element in
the config, the xml file that describes the menu with the "menu-file"
element in the config, and the actions of each buttons with the
"menu-actions" field.

include/AModule.hpp

@@ -4,6 +4,7 @@
 #include <glibmm/markup.h>
 #include <gtkmm/eventbox.h>
 #include <json/json.h>
+#include <gtkmm.h>
 
 #include "IModule.hpp"
 
@@ -52,6 +53,10 @@ class AModule : public IModule {
   std::vector<int> pid_;
   gdouble distance_scrolled_y_;
   gdouble distance_scrolled_x_;
+  GObject* menu_;
+  std::map<std::string, GtkMenuItem*> submenus_;
+  std::map<std::string, std::string> menuActionsMap_;
+  static void handleGtkMenuEvent(GtkMenuItem* menuitem, gpointer data);
   std::map<std::string, std::string> eventActionMap_;
   static const inline std::map<std::pair<uint, GdkEventType>, std::string> eventMap_{
       {std::make_pair(1, GdkEventType::GDK_BUTTON_PRESS), "on-click"},

src/AModule.cpp

@@ -27,6 +27,24 @@ AModule::AModule(const Json::Value& config, const std::string& name, const std::
     else
       spdlog::warn("Wrong actions section configuration. See config by index: {}", it.index());
   }
+  // If a GTKMenu is requested in the config
+  if (config_["menu"].isString()) {
+    // Create the GTKMenu widget
+    GtkBuilder* builder = gtk_builder_new_from_file(config_["menu-file"].asString().c_str());
+    menu_ = gtk_builder_get_object(builder, "menu");
+    submenus_ = std::map<std::string, GtkMenuItem*>();
+    menuActionsMap_ = std::map<std::string, std::string>();
+    // Linking actions to the GTKMenu based on
+    for (Json::Value::const_iterator it = config_["menu-actions"].begin(); it != config_["menu-actions"].end(); ++it) {
+      std::string key = it.key().asString();
+      submenus_[key] = GTK_MENU_ITEM(gtk_builder_get_object(builder, key.c_str()));
+      menuActionsMap_[key] = it->asString();
+      g_signal_connect(submenus_[key], "activate", G_CALLBACK(handleGtkMenuEvent), (gpointer) menuActionsMap_[key].c_str());
+
+    }
+    // Enable click
+    enable_click = true;
+  }
 
   event_box_.signal_enter_notify_event().connect(sigc::mem_fun(*this, &AModule::handleMouseEnter));
   event_box_.signal_leave_notify_event().connect(sigc::mem_fun(*this, &AModule::handleMouseLeave));
@@ -66,6 +84,10 @@ AModule::AModule(const Json::Value& config, const std::string& name, const std::
   }
 }
 
+void AModule::handleGtkMenuEvent(GtkMenuItem* menuitem, gpointer data) {
+  waybar::util::command::res res = waybar::util::command::exec((char*) data, "TLP");
+}
+
 AModule::~AModule() {
   for (const auto& pid : pid_) {
     if (pid != -1) {
@@ -133,6 +155,14 @@ bool AModule::handleUserEvent(GdkEventButton* const& e) {
 
     format = rec->second;
   }
+
+  // Check if the event is the one specified for the "menu" option
+  if (rec->second == config_["menu"].asString()) {
+    // Popup the menu
+    gtk_widget_show_all(GTK_WIDGET(menu_));
+    gtk_menu_popup_at_pointer (GTK_MENU(menu_), reinterpret_cast<GdkEvent*>(e));
+
+  }
   // Second call user scripts
   if (!format.empty()) {
     if (config_[format].isString())