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// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <cstring>
#include <string>
#include "common/assert.h"
#include "common/logging/log.h"
#include "common/string_util.h"
#include "core/hle/applets/swkbd.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/shared_memory.h"
#include "core/hle/service/hid/hid.h"
#include "core/hle/service/gsp_gpu.h"
#include "core/hle/result.h"
#include "core/memory.h"
#include "video_core/video_core.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
namespace HLE {
namespace Applets {
ResultCode SoftwareKeyboard::ReceiveParameter(Service::APT::MessageParameter const& parameter) {
if (parameter.signal != static_cast<u32>(Service::APT::SignalType::LibAppJustStarted)) {
LOG_ERROR(Service_APT, "unsupported signal %u", parameter.signal);
UNIMPLEMENTED();
// TODO(Subv): Find the right error code
return ResultCode(-1);
}
// 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);
memcpy(&capture_info, parameter.data, sizeof(capture_info));
using Kernel::MemoryPermission;
// Allocate a heap block of the required size for this applet.
heap_memory = std::make_shared<std::vector<u8>>(capture_info.size);
// Create a SharedMemory that directly points to this heap block.
framebuffer_memory = Kernel::SharedMemory::CreateForApplet(heap_memory, 0, heap_memory->size(),
MemoryPermission::ReadWrite, MemoryPermission::ReadWrite,
"SoftwareKeyboard Memory");
// Send the response message with the newly created SharedMemory
Service::APT::MessageParameter result;
result.signal = static_cast<u32>(Service::APT::SignalType::LibAppFinished);
result.data = nullptr;
result.buffer_size = 0;
result.destination_id = static_cast<u32>(Service::APT::AppletId::Application);
result.sender_id = static_cast<u32>(id);
result.object = framebuffer_memory;
Service::APT::SendParameter(result);
return RESULT_SUCCESS;
}
ResultCode SoftwareKeyboard::StartImpl(Service::APT::AppletStartupParameter const& parameter) {
ASSERT_MSG(parameter.buffer_size == sizeof(config), "The size of the parameter (SoftwareKeyboardConfig) is wrong");
memcpy(&config, parameter.data, parameter.buffer_size);
text_memory = boost::static_pointer_cast<Kernel::SharedMemory, Kernel::Object>(parameter.object);
// TODO(Subv): Verify if this is the correct behavior
memset(text_memory->GetPointer(), 0, text_memory->size);
DrawScreenKeyboard();
started = true;
return RESULT_SUCCESS;
}
void SoftwareKeyboard::Update() {
// TODO(Subv): Handle input using the touch events from the HID module
// TODO(Subv): Remove this hardcoded text
std::u16string text = Common::UTF8ToUTF16("Citra");
memcpy(text_memory->GetPointer(), text.c_str(), text.length() * sizeof(char16_t));
// TODO(Subv): Ask for input and write it to the shared memory
// TODO(Subv): Find out what are the possible values for the return code,
// some games seem to check for a hardcoded 2
config.return_code = 2;
config.text_length = 6;
config.text_offset = 0;
// TODO(Subv): We're finalizing the applet immediately after it's started,
// but we should defer this call until after all the input has been collected.
Finalize();
}
void SoftwareKeyboard::DrawScreenKeyboard() {
auto bottom_screen = GSP_GPU::GetFrameBufferInfo(0, 1);
auto info = bottom_screen->framebuffer_info[bottom_screen->index];
// TODO(Subv): Draw the HLE keyboard, for now just zero-fill the framebuffer
memset(Memory::GetPointer(info.address_left), 0, info.stride * 320);
GSP_GPU::SetBufferSwap(1, info);
}
void SoftwareKeyboard::Finalize() {
// Let the application know that we're closing
Service::APT::MessageParameter message;
message.buffer_size = sizeof(SoftwareKeyboardConfig);
message.data = reinterpret_cast<u8*>(&config);
message.signal = static_cast<u32>(Service::APT::SignalType::LibAppClosed);
message.destination_id = static_cast<u32>(Service::APT::AppletId::Application);
message.sender_id = static_cast<u32>(id);
Service::APT::SendParameter(message);
started = false;
}
}
} // namespace
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