From 2a6ebadf66051362cdcf07d722f7e2d3cee14c82 Mon Sep 17 00:00:00 2001
From: Subv <subv2112@gmail.com>
Date: Mon, 25 May 2015 23:30:20 -0500
Subject: HLE/APT: Initial HLE support for applets.

Currently only the SWKBD is emulated, and there's currently no way to ask the user for input, so it always returns "Subv" as the text.
---
 src/core/hle/applets/swkbd.cpp | 73 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 src/core/hle/applets/swkbd.cpp

(limited to 'src/core/hle/applets/swkbd.cpp')

diff --git a/src/core/hle/applets/swkbd.cpp b/src/core/hle/applets/swkbd.cpp
new file mode 100644
index 00000000..224aeb09
--- /dev/null
+++ b/src/core/hle/applets/swkbd.cpp
@@ -0,0 +1,73 @@
+// Copyright 2015 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/assert.h"
+#include "common/logging/log.h"
+
+#include "core/hle/applets/swkbd.h"
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace HLE {
+namespace Applets {
+
+SoftwareKeyboard::SoftwareKeyboard(Service::APT::AppletId id) : Applet(id) {
+    // Create the SharedMemory that will hold the framebuffer data
+    // TODO(Subv): What size should we use here?
+    using Kernel::MemoryPermission;
+    framebuffer_memory = Kernel::SharedMemory::Create(0x1000, MemoryPermission::ReadWrite, MemoryPermission::ReadWrite, "SoftwareKeyboard Memory");
+}
+
+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);
+    }
+
+    Service::APT::MessageParameter result;
+    // The buffer passed in parameter contains the data returned by GSPGPU::ImportDisplayCaptureInfo
+    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::Start(Service::APT::AppletStartupParameter const& parameter) {
+    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);
+
+    // TODO(Subv): Remove this hardcoded text
+    const wchar_t str[] = L"Subv";
+    memcpy(text_memory->GetPointer(), str, 4 * sizeof(wchar_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 = 5;
+    config.text_offset = 0;
+
+    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);
+
+    return RESULT_SUCCESS;
+}
+
+}
+} // namespace
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