Language selection for Koopair

koopair/LocalizationManager.hpp

@@ -0,0 +1,41 @@
+#include <fstream>
+#include <string>
+#include <map>
+#include <json/json.h>
+
+class LocalizationManager {
+public:
+    static LocalizationManager& Instance() {
+        static LocalizationManager instance;
+        return instance;
+    }
+
+    bool LoadLanguage(const std::string& languageCode) {
+        std::ifstream file("translations/" + languageCode + ".json");
+        if (!file.is_open()) {
+            return false;
+        }
+
+        Json::Value root;
+        file >> root;
+        file.close();
+
+        mTranslations.clear();
+        for (const auto& key : root.getMemberNames()) {
+            mTranslations[key] = root[key].asString();
+        }
+        return true;
+    }
+
+    std::string Translate(const std::string& key) const {
+        auto it = mTranslations.find(key);
+        if (it != mTranslations.end()) {
+            return it->second;
+        }
+        return key;
+    }
+
+private:
+    LocalizationManager() = default;
+    std::map<std::string, std::string> mTranslations;
+};

koopair/source/screens/LanguageSelectionScreen.cpp

@@ -0,0 +1,67 @@
+#include "LanguageSelectionScreen.hpp"
+#include "Gfx.hpp"
+
+LanguageSelectionScreen::LanguageSelectionScreen()
+ : mSelectedLanguage(0)  // Select the first language by default
+{
+    mLanguages = {
+        { "English", "en" },
+        { "Deutsch", "de" },
+    };
+}
+
+LanguageSelectionScreen::~LanguageSelectionScreen()
+{
+}
+
+void LanguageSelectionScreen::Draw()
+{
+    DrawTopBar("Select Language");
+
+    for (size_t i = 0; i < mLanguages.size(); i++) {
+        int yOff = 75 + i * 150;
+        Gfx::DrawRectFilled(0, yOff, Gfx::SCREEN_WIDTH, 150, Gfx::COLOR_ALT_BACKGROUND);
+        Gfx::Print(Gfx::SCREEN_WIDTH / 2, yOff + 75, 60, Gfx::COLOR_TEXT, mLanguages[i].name.c_str(), Gfx::ALIGN_CENTER);
+
+        if (i == mSelectedLanguage) {
+            Gfx::DrawRect(0, yOff, Gfx::SCREEN_WIDTH, 150, 8, Gfx::COLOR_HIGHLIGHTED);
+        }
+    }
+
+    DrawBottomBar("\ue001 Back", nullptr, "\ue000 Select");
+}
+
+bool LanguageSelectionScreen::Update(const CombinedInputController& input)
+{
+    if (input.GetButtonsTriggered() & Controller::BUTTON_B) {
+        return false;
+    }
+
+    if (input.GetButtonsTriggered() & Controller::BUTTON_DOWN) {
+        if (mSelectedLanguage < static_cast<int>(mLanguages.size()) - 1) {
+            mSelectedLanguage++;
+        }
+    } else if (input.GetButtonsTriggered() & Controller::BUTTON_UP) {
+        if (mSelectedLanguage > 0) {
+            mSelectedLanguage--;
+        }
+    }
+
+if (input.GetButtonsTriggered() & Controller::BUTTON_B) {
+        return false;
+    }
+
+    if (input.GetButtonsTriggered() & Controller::BUTTON_DOWN) {
+        mSelectedLanguage = (mSelectedLanguage + 1) % mLanguages.size();
+    } else if (input.GetButtonsTriggered() & Controller::BUTTON_UP) {
+        mSelectedLanguage = (mSelectedLanguage - 1 + mLanguages.size()) % mLanguages.size();
+    }
+
+    if (input.GetButtonsTriggered() & Controller::BUTTON_A) {
+        const LanguageOption& selectedLanguage = mLanguages[mSelectedLanguage];
+        Configuration::SetLanguage(selectedLanguage.code);
+        return false;
+    }
+
+    return true;
+}

koopair/source/screens/LanguageSelectionScreen.hpp

@@ -0,0 +1,32 @@
+/*
+ *   LanguageSelectionScreen.hpp
+ *   Defines the page for language selection.
+ */
+
+#ifndef LANGUAGESELECTIONSCREEN_HPP
+#define LANGUAGESELECTIONSCREEN_HPP
+
+#include "Screen.hpp"
+#include <vector>
+#include <string>
+
+class LanguageSelectionScreen : public Screen
+{
+public:
+    LanguageSelectionScreen();
+    virtual ~LanguageSelectionScreen();
+
+    void Draw() override;
+    bool Update(const CombinedInputController& input) override;
+
+private:
+    struct LanguageOption {
+        std::string name;
+        std::string code;
+    };
+
+    std::vector<LanguageOption> mLanguages;
+    int mSelectedLanguage;
+};
+
+#endif // LANGUAGESELECTIONSCREEN_HPP

koopair/source/screens/SettingsScreen.cpp

@@ -16,9 +16,15 @@
  */
 #include "SettingsScreen.hpp"
 #include "Gfx.hpp"
+#include "LanguageSelectionScreen.hpp"
 
 SettingsScreen::SettingsScreen()
+ : mSelectedOption(OPTION_LANGUAGE)
 {
+    mEntries = {
+        { OPTION_LANGUAGE, "Language Selection" },
+        // Further entries can be added here
+    };
 }
 
 SettingsScreen::~SettingsScreen()
@@ -29,9 +35,16 @@ void SettingsScreen::Draw()
 {
     DrawTopBar("Settings");
 
-    Gfx::Print(Gfx::SCREEN_WIDTH / 2, Gfx::SCREEN_HEIGHT / 2, 60, Gfx::COLOR_TEXT, "Nothing here yet :)", Gfx::ALIGN_CENTER);
+    int yOff = Gfx::SCREEN_HEIGHT / 2 - 75;
+    Gfx::DrawRectFilled(0, yOff, Gfx::SCREEN_WIDTH, 150, Gfx::COLOR_ALT_BACKGROUND);
+    Gfx::Print(Gfx::SCREEN_WIDTH / 2, yOff + 75, 60, Gfx::COLOR_TEXT, "Language Selection", Gfx::ALIGN_CENTER);
 
-    DrawBottomBar("\ue001 Back", nullptr, nullptr);
+    // Highlight the button when it is selected
+    if (mSelectedOption == OPTION_LANGUAGE) {
+        Gfx::DrawRect(0, yOff, Gfx::SCREEN_WIDTH, 150, 8, Gfx::COLOR_HIGHLIGHTED);
+    }
+
+    DrawBottomBar("\ue001 Back", nullptr, "\ue000 Select");
 }
 
 bool SettingsScreen::Update(const CombinedInputController& input)
@@ -40,5 +53,10 @@ bool SettingsScreen::Update(const CombinedInputController& input)
         return false;
     }
 
+    // If A is pressed and the Language button is selected, switch to the language selection page
+    if ((input.GetButtonsTriggered() & Controller::BUTTON_A) && mSelectedOption == OPTION_LANGUAGE) {
+        mSubscreen = std::make_unique<LanguageSelectionScreen>();
+    }
+
     return true;
 }

koopair/translations/de.json

@@ -0,0 +1,6 @@
+{
+    "settings_title": "Einstellungen",
+    "language_selection": "Sprache auswählen",
+    "back": "Zurück",
+    "select": "Auswählen"
+}

koopair/translations/en.json

@@ -0,0 +1,6 @@
+{
+    "settings_title": "Settings",
+    "language_selection": "Select Language",
+    "back": "Back",
+    "select": "Select"
+}