tooltip functionality on hyprland/language module

include/modules/hyprland/language.hpp

@@ -35,6 +35,7 @@ class Language : public waybar::ALabel, public EventHandler {
   std::mutex mutex_;
   const Bar& bar_;
   util::JsonParser parser_;
+  const bool tooltip_format_enabled_;
 
   Layout layout_;
 };

src/modules/hyprland/language.cpp

@@ -10,7 +10,9 @@
 namespace waybar::modules::hyprland {
 
 Language::Language(const std::string& id, const Bar& bar, const Json::Value& config)
-    : ALabel(config, "language", id, "{}", 0, true), bar_(bar) {
+    : ALabel(config, "language", id, "{}", 0, true),
+      bar_(bar),
+      tooltip_format_enabled_{config_["tooltip-format"].isString()} {
   modulesReady = true;
 
   if (!gIPC) {
@@ -57,9 +59,27 @@ auto Language::update() -> void {
 
   spdlog::debug("hyprland language formatted layout name {}", layoutName);
 
+  std::string tooltipContent = std::string{};
+  if (tooltipEnabled()) {
+    if (tooltip_format_enabled_) {
+      auto tooltip_format = config_["tooltip-format"].asString();
+      tooltipContent = fmt::format(fmt::runtime(tooltip_format),
+                        fmt::arg("long", layout_.full_name),
+                        fmt::arg("short", layout_.short_name),
+                        fmt::arg("shortDescription", layout_.short_description),
+                        fmt::arg("variant", layout_.variant));
+
+    } else {
+      tooltipContent = layoutName;
+    }
+  }
+
+  spdlog::debug("hyprland language formatted tooltip content {}", tooltipContent);
+
   if (!format_.empty()) {
     label_.show();
     label_.set_markup(layoutName);
+    label_.set_tooltip_markup(tooltipContent);
   } else {
     label_.hide();
   }