1 files changed, 71 insertions, 0 deletions

diff --git a/src/core/hle/service/am/applets/software_keyboard.cpp b/src/core/hle/service/am/applets/software_keyboard.cpp
new file mode 100644
index 000000000..ad1797ef1
--- /dev/null
+++ b/src/core/hle/service/am/applets/software_keyboard.cpp
@@ -0,0 +1,71 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/assert.h"
+#include "common/string_util.h"
+#include "core/frontend/applets/software_keyboard.h"
+#include "core/hle/service/am/am.h"
+#include "core/hle/service/am/applets/software_keyboard.h"
+
+namespace Service::AM::Applets {
+
+constexpr std::size_t SWKBD_OUTPUT_BUFFER_SIZE = 0x7D8;
+constexpr std::size_t DEFAULT_MAX_LENGTH = 500;
+
+static Frontend::SoftwareKeyboardApplet::Parameters ConvertToFrontendParameters(
+    KeyboardConfig config, std::u16string initial_text) {
+    Frontend::SoftwareKeyboardApplet::Parameters params{};
+
+    params.submit_text = Common::UTF16StringFromFixedZeroTerminatedBuffer(
+        config.submit_text.data(), config.submit_text.size());
+    params.header_text = Common::UTF16StringFromFixedZeroTerminatedBuffer(
+        config.header_text.data(), config.header_text.size());
+    params.sub_text = Common::UTF16StringFromFixedZeroTerminatedBuffer(config.sub_text.data(),
+                                                                       config.sub_text.size());
+    params.guide_text = Common::UTF16StringFromFixedZeroTerminatedBuffer(config.guide_text.data(),
+                                                                         config.guide_text.size());
+    params.initial_text = initial_text;
+    params.max_length = config.length_limit == 0 ? DEFAULT_MAX_LENGTH : config.length_limit;
+    params.password = static_cast<bool>(config.is_password);
+    params.cursor_at_beginning = static_cast<bool>(config.initial_cursor_position);
+    params.value = static_cast<u8>(config.keyset_disable_bitmask);
+
+    return params;
+}
+
+void SoftwareKeyboard::Initialize(std::vector<std::shared_ptr<IStorage>> storage_) {
+    Applet::Initialize(std::move(storage_));
+
+    ASSERT(storage_stack.size() >= 2);
+    const auto& keyboard_config = storage_stack[1]->GetData();
+    ASSERT(keyboard_config.size() >= sizeof(KeyboardConfig));
+    std::memcpy(&config, keyboard_config.data(), sizeof(KeyboardConfig));
+
+    ASSERT_MSG(config.text_check == 0, "Text check software keyboard mode is not implemented!");
+
+    const auto& work_buffer = storage_stack[2]->GetData();
+    std::memcpy(initial_text.data(), work_buffer.data() + config.initial_string_offset,
+                config.initial_string_size);
+}
+
+IStorage SoftwareKeyboard::Execute() {
+    const auto frontend{GetSoftwareKeyboard()};
+    ASSERT(frontend != nullptr);
+
+    const auto parameters = ConvertToFrontendParameters(config, initial_text);
+
+    std::u16string text;
+    const auto success = frontend->GetText(parameters, text);
+
+    std::vector<u8> output(SWKBD_OUTPUT_BUFFER_SIZE);
+
+    if (success) {
+        output[0] = 1;
+        std::memcpy(output.data() + 4, text.data(),
+                    std::min<std::size_t>(text.size() * 2, SWKBD_OUTPUT_BUFFER_SIZE - 4));
+    }
+
+    return IStorage{output};
+}
+} // namespace Service::AM::Applets