citra/src/core/hle/applets/swkbd.h

215 lines
8 KiB
C
Raw Normal View History

// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
2015-07-12 23:10:37 +02:00
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "core/frontend/applets/swkbd.h"
#include "core/hle/applets/applet.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/shared_memory.h"
2015-07-12 23:10:37 +02:00
#include "core/hle/result.h"
#include "core/hle/service/apt/apt.h"
namespace HLE {
namespace Applets {
/// Maximum number of buttons that can be in the keyboard.
constexpr int MAX_BUTTON = 3;
/// Maximum button text length, in UTF-16 code units.
constexpr int MAX_BUTTON_TEXT_LEN = 16;
/// Maximum hint text length, in UTF-16 code units.
constexpr int MAX_HINT_TEXT_LEN = 64;
/// Maximum filter callback error message length, in UTF-16 code units.
constexpr int MAX_CALLBACK_MSG_LEN = 256;
/// Keyboard types
enum class SoftwareKeyboardType : u32 {
Normal, ///< Normal keyboard with several pages (QWERTY/accents/symbol/mobile)
QWERTY, ///< QWERTY keyboard only.
NumPad, ///< Number pad.
Western, ///< On JPN systems, a text keyboard without Japanese input capabilities,
/// otherwise same as SWKBD_TYPE_NORMAL.
};
/// Keyboard dialog buttons.
enum class SoftwareKeyboardButtonConfig : u32 {
SingleButton, ///< Ok button
DualButton, ///< Cancel | Ok buttons
TripleButton, ///< Cancel | I Forgot | Ok buttons
NoButton, ///< No button (returned by swkbdInputText in special cases)
};
/// Accepted input types.
enum class SoftwareKeyboardValidInput : u32 {
Anything, ///< All inputs are accepted.
NotEmpty, ///< Empty inputs are not accepted.
NotEmptyNotBlank, ///< Empty or blank inputs (consisting solely of whitespace) are not
/// accepted.
NotBlank, ///< Blank inputs (consisting solely of whitespace) are not accepted, but empty
/// inputs are.
FixedLen, ///< The input must have a fixed length (specified by maxTextLength in
/// swkbdInit).
};
/// Keyboard password modes.
enum class SoftwareKeyboardPasswordMode : u32 {
None, ///< Characters are not concealed.
Hide, ///< Characters are concealed immediately.
HideDelay, ///< Characters are concealed a second after they've been typed.
};
/// Keyboard input filtering flags. Allows the caller to specify what input is explicitly not
/// allowed
namespace SoftwareKeyboardFilter {
enum Filter {
Digits = 1, ///< Disallow the use of more than a certain number of digits (0 or more)
At = 1 << 1, ///< Disallow the use of the @ sign.
Percent = 1 << 2, ///< Disallow the use of the % sign.
Backslash = 1 << 3, ///< Disallow the use of the \ sign.
Profanity = 1 << 4, ///< Disallow profanity using Nintendo's profanity filter.
Callback = 1 << 5, ///< Use a callback in order to check the input.
};
} // namespace SoftwareKeyboardFilter
/// Keyboard features.
namespace SoftwareKeyboardFeature {
enum Feature {
Parental = 1, ///< Parental PIN mode.
DarkenTopScreen = 1 << 1, ///< Darken the top screen when the keyboard is shown.
PredictiveInput =
1 << 2, ///< Enable predictive input (necessary for Kanji input in JPN systems).
Multiline = 1 << 3, ///< Enable multiline input.
FixedWidth = 1 << 4, ///< Enable fixed-width mode.
AllowHome = 1 << 5, ///< Allow the usage of the HOME button.
AllowReset = 1 << 6, ///< Allow the usage of a software-reset combination.
AllowPower = 1 << 7, ///< Allow the usage of the POWER button.
DefaultQWERTY = 1 << 9, ///< Default to the QWERTY page when the keyboard is shown.
};
} // namespace SoftwareKeyboardFeature
/// Keyboard filter callback return values.
enum class SoftwareKeyboardCallbackResult : u32 {
OK, ///< Specifies that the input is valid.
Close, ///< Displays an error message, then closes the keyboard.
Continue, ///< Displays an error message and continues displaying the keyboard.
};
/// Keyboard return values.
enum class SoftwareKeyboardResult : s32 {
None = -1, ///< Dummy/unused.
InvalidInput = -2, ///< Invalid parameters to swkbd.
OutOfMem = -3, ///< Out of memory.
D0Click = 0, ///< The button was clicked in 1-button dialogs.
D1Click0, ///< The left button was clicked in 2-button dialogs.
D1Click1, ///< The right button was clicked in 2-button dialogs.
D2Click0, ///< The left button was clicked in 3-button dialogs.
D2Click1, ///< The middle button was clicked in 3-button dialogs.
D2Click2, ///< The right button was clicked in 3-button dialogs.
HomePressed = 10, ///< The HOME button was pressed.
ResetPressed, ///< The soft-reset key combination was pressed.
PowerPressed, ///< The POWER button was pressed.
ParentalOK = 20, ///< The parental PIN was verified successfully.
ParentalFail, ///< The parental PIN was incorrect.
BannedInput = 30, ///< The filter callback returned SoftwareKeyboardCallback::CLOSE.
};
struct SoftwareKeyboardConfig {
SoftwareKeyboardType type;
SoftwareKeyboardButtonConfig num_buttons_m1;
SoftwareKeyboardValidInput valid_input;
SoftwareKeyboardPasswordMode password_mode;
s32 is_parental_screen;
s32 darken_top_screen;
u32 filter_flags;
u32 save_state_flags;
u16 max_text_length;
u16 dict_word_count;
u16 max_digits;
std::array<std::array<u16, MAX_BUTTON_TEXT_LEN + 1>, MAX_BUTTON> button_text;
std::array<u16, 2> numpad_keys;
std::array<u16, MAX_HINT_TEXT_LEN + 1>
hint_text; ///< Text to display when asking the user for input
bool predictive_input;
bool multiline;
bool fixed_width;
bool allow_home;
bool allow_reset;
bool allow_power;
bool unknown;
bool default_qwerty;
std::array<bool, 4> button_submits_text;
u16 language;
u32 initial_text_offset; ///< Offset of the default text in the output SharedMemory
u32 dict_offset;
u32 initial_status_offset;
u32 initial_learning_offset;
u32 shared_memory_size; ///< Size of the SharedMemory
u32 version;
SoftwareKeyboardResult return_code;
u32 status_offset;
u32 learning_offset;
u32 text_offset; ///< Offset in the SharedMemory where the output text starts
u16 text_length; ///< Length in characters of the output text
int callback_result;
std::array<u16, MAX_CALLBACK_MSG_LEN + 1> callback_msg;
bool skip_at_check;
INSERT_PADDING_BYTES(0xAB);
};
/**
* The size of this structure (0x400) has been verified via reverse engineering of multiple games
* that use the software keyboard.
*/
static_assert(sizeof(SoftwareKeyboardConfig) == 0x400, "Software Keyboard Config size is wrong");
class SoftwareKeyboard final : public Applet {
public:
SoftwareKeyboard(Service::APT::AppletId id, std::weak_ptr<Service::APT::AppletManager> manager)
: Applet(id, std::move(manager)) {}
ResultCode ReceiveParameter(const Service::APT::MessageParameter& parameter) override;
ResultCode StartImpl(const Service::APT::AppletStartupParameter& parameter) override;
void Update() override;
/**
* Draws a keyboard to the current bottom screen framebuffer.
*/
void DrawScreenKeyboard();
/**
* Sends the LibAppletClosing signal to the application,
* along with the relevant data buffers.
*/
void Finalize();
private:
Frontend::KeyboardConfig ToFrontendConfig(const SoftwareKeyboardConfig& config) const;
/// This SharedMemory will be created when we receive the LibAppJustStarted message.
/// It holds the framebuffer info retrieved by the application with
/// GSPGPU::ImportDisplayCaptureInfo
Kernel::SharedPtr<Kernel::SharedMemory> framebuffer_memory;
/// SharedMemory where the output text will be stored
Kernel::SharedPtr<Kernel::SharedMemory> text_memory;
/// Configuration of this instance of the SoftwareKeyboard, as received from the application
SoftwareKeyboardConfig config;
std::shared_ptr<Frontend::SoftwareKeyboard> frontend_applet;
};
} // namespace Applets
} // namespace HLE