i18n: init translation engine (#39)

---------

Co-authored-by: Mihai Fufezan <mihai@fufexan.net>

Author: vaxerski

CMakeLists.txt

@@ -26,7 +26,7 @@ pkg_check_modules(
   hyprtoolkit
   pixman-1
   libdrm
-  hyprutils
+  hyprutils>=0.10.2
   hyprwire
   icu-uc
   hyprlang

flake.lock

@@ -12,6 +12,8 @@ CConfigManager::CConfigManager() : m_inotifyFd(inotify_init()) {
 
     m_config->addConfigValue("general:grab_focus", Hyprlang::INT{1});
 
+    m_config->addConfigValue("locale:override", Hyprlang::STRING{""});
+
     m_config->addConfigValue("cache:enabled", Hyprlang::INT{1});
 
     m_config->addConfigValue("finders:default_finder", Hyprlang::STRING{"desktop"});

src/config/ConfigManager.cpp

@@ -0,0 +1,32 @@
+#include "Engine.hpp"
+#include "../config/ConfigManager.hpp"
+
+static Hyprutils::I18n::CI18nEngine engine;
+
+//
+void I18n::initEngine() {
+    engine.setFallbackLocale("en_US");
+
+    // en_US (English)
+    engine.registerEntry("en_US", TXT_KEY_SEARCH_SOMETHING, "Search...");
+
+    // pl_PL (Polish)
+    engine.registerEntry("pl_PL", TXT_KEY_SEARCH_SOMETHING, "Szukaj...");
+
+    // ja_JP (Japanese)
+    engine.registerEntry("ja_JP", TXT_KEY_SEARCH_SOMETHING, "検索...");
+
+    // zh (Simplified Chinese)
+    engine.registerEntry("zh", TXT_KEY_SEARCH_SOMETHING, "搜索...");
+
+    // zh_Hant (Traditional Chinese)
+    engine.registerEntry("zh_Hant", TXT_KEY_SEARCH_SOMETHING, "搜尋...");
+}
+
+std::string I18n::localize(eTextKeys key, const Hyprutils::I18n::translationVarMap& vars) {
+    static auto POVERRIDELOCALE = Hyprlang::CSimpleConfigValue<Hyprlang::STRING>(g_configManager->m_config.get(), "locale:override");
+
+    const auto  LOCALE = std::string_view{*POVERRIDELOCALE}.empty() ? engine.getSystemLocale().locale() : std::string{*POVERRIDELOCALE};
+
+    return engine.localizeEntry(LOCALE, key, vars);
+}

src/i18n/Engine.cpp

@@ -0,0 +1,15 @@
+#pragma once
+
+#include <cstdint>
+#include <string>
+#include <hyprutils/i18n/I18nEngine.hpp>
+
+namespace I18n {
+    //NOLINTNEXTLINE
+    enum eTextKeys : uint64_t {
+        TXT_KEY_SEARCH_SOMETHING = 0,
+    };
+
+    void        initEngine();
+    std::string localize(eTextKeys key, const Hyprutils::I18n::translationVarMap& vars);
+};

src/i18n/Engine.hpp

@@ -8,6 +8,7 @@
 #include "socket/ServerSocket.hpp"
 #include "query/QueryProcessor.hpp"
 #include "config/ConfigManager.hpp"
+#include "i18n/Engine.hpp"
 
 #include <iostream>
 
@@ -112,6 +113,8 @@ int main(int argc, char** argv, char** envp) {
 
     socket.reset();
 
+    I18n::initEngine();
+
     if (!explicitOptions.empty()) {
         g_ipcFinder->setData(explicitOptions);
         g_queryProcessor->overrideQueryProvider(g_ipcFinder);

src/main.cpp

@@ -6,6 +6,7 @@
 #include "../socket/ServerSocket.hpp"
 #include "../helpers/Log.hpp"
 #include "../config/ConfigManager.hpp"
+#include "../i18n/Engine.hpp"
 
 #include <hyprutils/string/String.hpp>
 #include <xkbcommon/xkbcommon-keysyms.h>
@@ -33,7 +34,7 @@ CUI::CUI(bool open) : m_openByDefault(open) {
     m_layout->setMargin(4);
 
     m_inputBox = Hyprtoolkit::CTextboxBuilder::begin()
-                     ->placeholder("Search something...")
+                     ->placeholder(I18n::localize(I18n::TXT_KEY_SEARCH_SOMETHING, {}))
                      ->onTextEdited([](SP<Hyprtoolkit::CTextboxElement>, const std::string& query) { g_queryProcessor->scheduleQueryUpdate(query); })
                      ->size({Hyprtoolkit::CDynamicSize::HT_SIZE_PERCENT, Hyprtoolkit::CDynamicSize::HT_SIZE_ABSOLUTE, {1.F, 28.F}})
                      ->multiline(false)