Implement GetKeyCodeMap & GetKeyCodeMap2

Closes #3919

src/core/hle/service/set/set.cpp

@@ -3,6 +3,7 @@
 // Refer to the license.txt file included.
 
 #include <algorithm>
+#include <array>
 #include <chrono>
 #include "common/logging/log.h"
 #include "core/hle/ipc_helpers.h"
@@ -31,6 +32,44 @@ constexpr std::array<LanguageCode, 17> available_language_codes = {{
     LanguageCode::ZH_HANT,
 }};
 
+enum class KeyboardLayout : u64 {
+    Japanese = 0,
+    EnglishUs = 1,
+    EnglishUsInternational = 2,
+    EnglishUk = 3,
+    French = 4,
+    FrenchCa = 5,
+    Spanish = 6,
+    SpanishLatin = 7,
+    German = 8,
+    Italian = 9,
+    Portuguese = 10,
+    Russian = 11,
+    Korean = 12,
+    ChineseSimplified = 13,
+    ChineseTraditional = 14,
+};
+
+constexpr std::array<std::pair<LanguageCode, KeyboardLayout>, 17> language_to_layout{{
+    {LanguageCode::JA, KeyboardLayout::Japanese},
+    {LanguageCode::EN_US, KeyboardLayout::EnglishUs},
+    {LanguageCode::FR, KeyboardLayout::French},
+    {LanguageCode::DE, KeyboardLayout::German},
+    {LanguageCode::IT, KeyboardLayout::Italian},
+    {LanguageCode::ES, KeyboardLayout::Spanish},
+    {LanguageCode::ZH_CN, KeyboardLayout::ChineseSimplified},
+    {LanguageCode::KO, KeyboardLayout::Korean},
+    {LanguageCode::NL, KeyboardLayout::EnglishUsInternational},
+    {LanguageCode::PT, KeyboardLayout::Portuguese},
+    {LanguageCode::RU, KeyboardLayout::Russian},
+    {LanguageCode::ZH_TW, KeyboardLayout::ChineseTraditional},
+    {LanguageCode::EN_GB, KeyboardLayout::EnglishUk},
+    {LanguageCode::FR_CA, KeyboardLayout::FrenchCa},
+    {LanguageCode::ES_419, KeyboardLayout::SpanishLatin},
+    {LanguageCode::ZH_HANS, KeyboardLayout::ChineseSimplified},
+    {LanguageCode::ZH_HANT, KeyboardLayout::ChineseTraditional},
+}};
+
 constexpr std::size_t pre4_0_0_max_entries = 15;
 constexpr std::size_t post4_0_0_max_entries = 17;
 
@@ -120,6 +159,35 @@ void SET::GetRegionCode(Kernel::HLERequestContext& ctx) {
     rb.Push(Settings::values.region_index);
 }
 
+void GetKeyCodeMapImpl(Kernel::HLERequestContext& ctx) {
+    const auto language_code = available_language_codes[Settings::values.language_index];
+    const auto key_code =
+        std::find_if(language_to_layout.cbegin(), language_to_layout.cend(),
+                     [=](const auto& element) { return element.first == language_code; });
+    KeyboardLayout layout = KeyboardLayout::EnglishUs;
+    if (key_code == language_to_layout.cend()) {
+        LOG_ERROR(Service_SET,
+                  "Could not find keyboard layout for language index {} defaulting to english us",
+                  Settings::values.language_index);
+    } else {
+        layout = key_code->second;
+    }
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+    ctx.WriteBuffer(&layout, sizeof(KeyboardLayout));
+}
+
+void SET::GetKeyCodeMap(Kernel::HLERequestContext& ctx) {
+    LOG_DEBUG(Service_SET, "Called {}", ctx.Description());
+    GetKeyCodeMapImpl(ctx);
+}
+
+void SET::GetKeyCodeMap2(Kernel::HLERequestContext& ctx) {
+    LOG_DEBUG(Service_SET, "Called {}", ctx.Description());
+    GetKeyCodeMapImpl(ctx);
+}
+
 SET::SET() : ServiceFramework("set") {
     // clang-format off
     static const FunctionInfo functions[] = {
@@ -130,9 +198,9 @@ SET::SET() : ServiceFramework("set") {
         {4, &SET::GetRegionCode, "GetRegionCode"},
         {5, &SET::GetAvailableLanguageCodes2, "GetAvailableLanguageCodes2"},
         {6, &SET::GetAvailableLanguageCodeCount2, "GetAvailableLanguageCodeCount2"},
-        {7, nullptr, "GetKeyCodeMap"},
+        {7, &SET::GetKeyCodeMap, "GetKeyCodeMap"},
         {8, &SET::GetQuestFlag, "GetQuestFlag"},
-        {9, nullptr, "GetKeyCodeMap2"},
+        {9, &SET::GetKeyCodeMap2, "GetKeyCodeMap2"},
         {10, nullptr, "GetFirmwareVersionForDebug"},
     };
     // clang-format on

src/core/hle/service/set/set.h

@@ -44,6 +44,8 @@ private:
     void GetAvailableLanguageCodeCount2(Kernel::HLERequestContext& ctx);
     void GetQuestFlag(Kernel::HLERequestContext& ctx);
     void GetRegionCode(Kernel::HLERequestContext& ctx);
+    void GetKeyCodeMap(Kernel::HLERequestContext& ctx);
+    void GetKeyCodeMap2(Kernel::HLERequestContext& ctx);
 };
 
 } // namespace Service::Set