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85 lines
2.5 KiB
C++
85 lines
2.5 KiB
C++
// Copyright 2015 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include "common/common_funcs.h"
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#include "common/common_types.h"
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#include "core/hle/applets/applet.h"
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#include "core/hle/kernel/kernel.h"
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#include "core/hle/kernel/shared_memory.h"
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#include "core/hle/result.h"
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#include "core/hle/service/apt/apt.h"
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namespace HLE {
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namespace Applets {
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struct SoftwareKeyboardConfig {
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INSERT_PADDING_WORDS(0x8);
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u16 max_text_length; ///< Maximum length of the input text
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INSERT_PADDING_BYTES(0x6E);
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char16_t display_text[65]; ///< Text to display when asking the user for input
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INSERT_PADDING_BYTES(0xE);
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u32 default_text_offset; ///< Offset of the default text in the output SharedMemory
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INSERT_PADDING_WORDS(0x3);
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u32 shared_memory_size; ///< Size of the SharedMemory
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INSERT_PADDING_WORDS(0x1);
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u32 return_code; ///< Return code of the SoftwareKeyboard, usually 2, other values are unknown
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INSERT_PADDING_WORDS(0x2);
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u32 text_offset; ///< Offset in the SharedMemory where the output text starts
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u16 text_length; ///< Length in characters of the output text
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INSERT_PADDING_BYTES(0x2B6);
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};
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/**
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* The size of this structure (0x400) has been verified via reverse engineering of multiple games
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* that use the software keyboard.
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*/
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static_assert(sizeof(SoftwareKeyboardConfig) == 0x400, "Software Keyboard Config size is wrong");
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class SoftwareKeyboard final : public Applet {
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public:
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SoftwareKeyboard(Service::APT::AppletId id) : Applet(id) {}
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ResultCode ReceiveParameter(const Service::APT::MessageParameter& parameter) override;
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ResultCode StartImpl(const Service::APT::AppletStartupParameter& parameter) override;
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void Update() override;
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/**
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* Draws a keyboard to the current bottom screen framebuffer.
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*/
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void DrawScreenKeyboard();
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/**
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* Sends the LibAppletClosing signal to the application,
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* along with the relevant data buffers.
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*/
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void Finalize();
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private:
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/// This SharedMemory will be created when we receive the LibAppJustStarted message.
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/// It holds the framebuffer info retrieved by the application with
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/// GSPGPU::ImportDisplayCaptureInfo
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Kernel::SharedPtr<Kernel::SharedMemory> framebuffer_memory;
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/// SharedMemory where the output text will be stored
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Kernel::SharedPtr<Kernel::SharedMemory> text_memory;
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/// Configuration of this instance of the SoftwareKeyboard, as received from the application
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SoftwareKeyboardConfig config;
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};
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}
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} // namespace
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