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// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <algorithm>
#include <cstring>
#include <string>
#include "common/assert.h"
#include "common/logging/log.h"
#include "common/string_util.h"
#include "core/core.h"
#include "core/hle/applets/swkbd.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/shared_memory.h"
#include "core/hle/result.h"
#include "core/hle/service/gsp/gsp.h"
#include "core/hle/service/hid/hid.h"
#include "core/memory.h"
namespace HLE::Applets {
Result SoftwareKeyboard::ReceiveParameterImpl(Service::APT::MessageParameter const& parameter) {
switch (parameter.signal) {
case Service::APT::SignalType::Request: {
// The LibAppJustStarted message contains a buffer with the size of the framebuffer shared
// memory.
// Create the SharedMemory that will hold the framebuffer data
Service::APT::CaptureBufferInfo capture_info;
ASSERT(sizeof(capture_info) == parameter.buffer.size());
std::memcpy(&capture_info, parameter.buffer.data(), sizeof(capture_info));
using Kernel::MemoryPermission;
// Create a SharedMemory that directly points to this heap block.
framebuffer_memory = system.Kernel().CreateSharedMemoryForApplet(
0, capture_info.size, MemoryPermission::ReadWrite, MemoryPermission::ReadWrite,
"SoftwareKeyboard Memory");
// Send the response message with the newly created SharedMemory
SendParameter({
.sender_id = id,
.destination_id = parent,
.signal = Service::APT::SignalType::Response,
.object = framebuffer_memory,
});
return ResultSuccess;
}
case Service::APT::SignalType::Message: {
// Callback result
ASSERT_MSG(parameter.buffer.size() == sizeof(config),
"The size of the parameter (SoftwareKeyboardConfig) is wrong");
std::memcpy(&config, parameter.buffer.data(), parameter.buffer.size());
switch (config.callback_result) {
case SoftwareKeyboardCallbackResult::OK:
// Finish execution
Finalize();
return ResultSuccess;
case SoftwareKeyboardCallbackResult::Close:
// Let the frontend display error and quit
frontend_applet->ShowError(Common::UTF16BufferToUTF8(config.callback_msg));
config.return_code = SoftwareKeyboardResult::BannedInput;
config.text_offset = config.text_length = 0;
Finalize();
return ResultSuccess;
case SoftwareKeyboardCallbackResult::Continue:
// Let the frontend display error and get input again
// The input will be sent for validation again on next Update().
frontend_applet->ShowError(Common::UTF16BufferToUTF8(config.callback_msg));
frontend_applet->Execute(ToFrontendConfig(config));
return ResultSuccess;
default:
UNREACHABLE();
}
}
default: {
LOG_ERROR(Service_APT, "unsupported signal {}", parameter.signal);
UNIMPLEMENTED();
// TODO(Subv): Find the right error code
return ResultUnknown;
}
}
}
Result SoftwareKeyboard::Start(Service::APT::MessageParameter const& parameter) {
ASSERT_MSG(parameter.buffer.size() == sizeof(config),
"The size of the parameter (SoftwareKeyboardConfig) is wrong");
std::memcpy(&config, parameter.buffer.data(), parameter.buffer.size());
text_memory = std::static_pointer_cast<Kernel::SharedMemory, Kernel::Object>(parameter.object);
DrawScreenKeyboard();
using namespace Frontend;
frontend_applet = system.GetSoftwareKeyboard();
ASSERT(frontend_applet);
frontend_applet->Execute(ToFrontendConfig(config));
return ResultSuccess;
}
void SoftwareKeyboard::Update() {
if (!frontend_applet->DataReady())
return;
using namespace Frontend;
const KeyboardData& data = frontend_applet->ReceiveData();
std::u16string text = Common::UTF8ToUTF16(data.text);
// Include a null terminator
std::memcpy(text_memory->GetPointer(), text.c_str(), (text.length() + 1) * sizeof(char16_t));
switch (config.num_buttons_m1) {
case SoftwareKeyboardButtonConfig::SingleButton:
config.return_code = SoftwareKeyboardResult::D0Click;
break;
case SoftwareKeyboardButtonConfig::DualButton:
if (data.button == 0)
config.return_code = SoftwareKeyboardResult::D1Click0;
else
config.return_code = SoftwareKeyboardResult::D1Click1;
break;
case SoftwareKeyboardButtonConfig::TripleButton:
if (data.button == 0)
config.return_code = SoftwareKeyboardResult::D2Click0;
else if (data.button == 1)
config.return_code = SoftwareKeyboardResult::D2Click1;
else
config.return_code = SoftwareKeyboardResult::D2Click2;
break;
case SoftwareKeyboardButtonConfig::NoButton:
// TODO: find out what is actually returned
config.return_code = SoftwareKeyboardResult::None;
break;
default:
LOG_CRITICAL(Applet_SWKBD, "Unknown button config {}", config.num_buttons_m1);
UNREACHABLE();
}
config.text_length = static_cast<u16>(text.size());
config.text_offset = 0;
if (config.filter_flags & HLE::Applets::SoftwareKeyboardFilter::Callback) {
std::vector<u8> buffer(sizeof(SoftwareKeyboardConfig));
std::memcpy(buffer.data(), &config, buffer.size());
// Send the message to invoke callback
SendParameter({
.sender_id = id,
.destination_id = parent,
.signal = Service::APT::SignalType::Message,
.buffer = buffer,
});
} else {
Finalize();
}
}
void SoftwareKeyboard::DrawScreenKeyboard() {
// TODO(Subv): Draw the HLE keyboard, for now just do nothing
}
Result SoftwareKeyboard::Finalize() {
std::vector<u8> buffer(sizeof(SoftwareKeyboardConfig));
std::memcpy(buffer.data(), &config, buffer.size());
CloseApplet(nullptr, buffer);
text_memory = nullptr;
return ResultSuccess;
}
Frontend::KeyboardConfig SoftwareKeyboard::ToFrontendConfig(
const SoftwareKeyboardConfig& config) const {
using namespace Frontend;
KeyboardConfig frontend_config;
frontend_config.button_config =
static_cast<ButtonConfig>(static_cast<u32>(config.num_buttons_m1));
frontend_config.accept_mode = static_cast<AcceptedInput>(static_cast<u32>(config.valid_input));
frontend_config.multiline_mode = config.multiline;
frontend_config.max_text_length = config.max_text_length;
frontend_config.max_digits = config.max_digits;
frontend_config.hint_text = Common::UTF16BufferToUTF8(config.hint_text);
for (const auto& text : config.button_text) {
frontend_config.button_text.push_back(Common::UTF16BufferToUTF8(text));
}
frontend_config.filters.prevent_digit =
static_cast<bool>(config.filter_flags & SoftwareKeyboardFilter::Digits);
frontend_config.filters.prevent_at =
static_cast<bool>(config.filter_flags & SoftwareKeyboardFilter::At);
frontend_config.filters.prevent_percent =
static_cast<bool>(config.filter_flags & SoftwareKeyboardFilter::Percent);
frontend_config.filters.prevent_backslash =
static_cast<bool>(config.filter_flags & SoftwareKeyboardFilter::Backslash);
frontend_config.filters.prevent_profanity =
static_cast<bool>(config.filter_flags & SoftwareKeyboardFilter::Profanity);
frontend_config.filters.enable_callback =
static_cast<bool>(config.filter_flags & SoftwareKeyboardFilter::Callback);
return frontend_config;
}
} // namespace HLE::Applets
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