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suyu/src/yuzu/applets/qt_software_keyboard.h

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C++

// Copyright 2021 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <array>
#include <atomic>
#include <memory>
#include <thread>
#include <QDialog>
#include <QValidator>
#include "core/frontend/applets/software_keyboard.h"
enum class HIDButton : u8;
class InputInterpreter;
namespace Core {
class System;
}
namespace Ui {
class QtSoftwareKeyboardDialog;
}
class GMainWindow;
class QtSoftwareKeyboardDialog final : public QDialog {
Q_OBJECT
public:
QtSoftwareKeyboardDialog(QWidget* parent, Core::System& system_, bool is_inline_,
Core::Frontend::KeyboardInitializeParameters initialize_parameters_);
~QtSoftwareKeyboardDialog() override;
void ShowNormalKeyboard(QPoint pos, QSize size);
void ShowTextCheckDialog(Service::AM::Applets::SwkbdTextCheckResult text_check_result,
std::u16string text_check_message);
void ShowInlineKeyboard(Core::Frontend::InlineAppearParameters appear_parameters, QPoint pos,
QSize size);
void HideInlineKeyboard();
void InlineTextChanged(Core::Frontend::InlineTextParameters text_parameters);
void ExitKeyboard();
signals:
void SubmitNormalText(Service::AM::Applets::SwkbdResult result,
std::u16string submitted_text) const;
void SubmitInlineText(Service::AM::Applets::SwkbdReplyType reply_type,
std::u16string submitted_text, s32 cursor_position) const;
public slots:
void open() override;
void reject() override;
protected:
/// We override the keyPressEvent for inputting text into the inline software keyboard.
void keyPressEvent(QKeyEvent* event) override;
private:
enum class Direction {
Left,
Up,
Right,
Down,
};
enum class BottomOSKIndex {
LowerCase,
UpperCase,
NumberPad,
};
/**
* Moves and resizes the window to a specified position and size.
*
* @param pos Top-left window position
* @param size Window size
*/
void MoveAndResizeWindow(QPoint pos, QSize size);
/**
* Rescales all keyboard elements to account for High DPI displays.
*
* @param width Window width
* @param height Window height
* @param dpi_scale Display scaling factor
*/
void RescaleKeyboardElements(float width, float height, float dpi_scale);
/// Sets the keyboard type based on initialize_parameters.
void SetKeyboardType();
/// Sets the password mode based on initialize_parameters.
void SetPasswordMode();
/// Sets the text draw type based on initialize_parameters.
void SetTextDrawType();
/// Sets the controller image at the bottom left of the software keyboard.
void SetControllerImage();
/// Disables buttons based on initialize_parameters.
void DisableKeyboardButtons();
/// Changes whether the backspace or/and ok buttons should be enabled or disabled.
void SetBackspaceOkEnabled();
/**
* Validates the input text sent in based on the parameters in initialize_parameters.
*
* @param input_text Input text
*
* @returns True if the input text is valid, false otherwise.
*/
bool ValidateInputText(const QString& input_text);
/// Switches between LowerCase and UpperCase (Shift and Caps Lock)
void ChangeBottomOSKIndex();
/// Processes a keyboard button click from the UI as normal keyboard input.
void NormalKeyboardButtonClicked(QPushButton* button);
/// Processes a keyboard button click from the UI as inline keyboard input.
void InlineKeyboardButtonClicked(QPushButton* button);
/**
* Inserts a string of arbitrary length into the current_text at the current cursor position.
* This is only used for the inline software keyboard.
*/
void InlineTextInsertString(std::u16string_view string);
/// Setup the mouse hover workaround for "focusing" buttons. This should only be called once.
void SetupMouseHover();
/**
* Handles button presses and converts them into keyboard input.
*
* @tparam HIDButton The list of buttons that can be converted into keyboard input.
*/
template <HIDButton... T>
void HandleButtonPressedOnce();
/**
* Handles button holds and converts them into keyboard input.
*
* @tparam HIDButton The list of buttons that can be converted into keyboard input.
*/
template <HIDButton... T>
void HandleButtonHold();
/**
* Translates a button press to focus or click a keyboard button.
*
* @param button The button press to process.
*/
void TranslateButtonPress(HIDButton button);
/**
* Moves the focus of a button in a certain direction.
*
* @param direction The direction to move.
*/
void MoveButtonDirection(Direction direction);
/**
* Moves the text cursor in a certain direction.
*
* @param direction The direction to move.
*/
void MoveTextCursorDirection(Direction direction);
void StartInputThread();
void StopInputThread();
/// The thread where input is being polled and processed.
void InputThread();
std::unique_ptr<Ui::QtSoftwareKeyboardDialog> ui;
Core::System& system;
// True if it is the inline software keyboard.
bool is_inline;
// Common software keyboard initialize parameters.
Core::Frontend::KeyboardInitializeParameters initialize_parameters;
// Used only by the inline software keyboard since the QLineEdit or QTextEdit is hidden.
std::u16string current_text;
s32 cursor_position{0};
static constexpr std::size_t NUM_ROWS_NORMAL = 5;
static constexpr std::size_t NUM_COLUMNS_NORMAL = 12;
static constexpr std::size_t NUM_ROWS_NUMPAD = 4;
static constexpr std::size_t NUM_COLUMNS_NUMPAD = 4;
// Stores the normal keyboard layout.
std::array<std::array<std::array<QPushButton*, NUM_COLUMNS_NORMAL>, NUM_ROWS_NORMAL>, 2>
keyboard_buttons;
// Stores the numberpad keyboard layout.
std::array<std::array<QPushButton*, NUM_COLUMNS_NUMPAD>, NUM_ROWS_NUMPAD> numberpad_buttons;
// Contains a set of all buttons used in keyboard_buttons and numberpad_buttons.
std::array<QPushButton*, 110> all_buttons;
std::size_t row{0};
std::size_t column{0};
BottomOSKIndex bottom_osk_index{BottomOSKIndex::LowerCase};
std::atomic<bool> caps_lock_enabled{false};
std::unique_ptr<InputInterpreter> input_interpreter;
std::thread input_thread;
std::atomic<bool> input_thread_running{};
};
class QtSoftwareKeyboard final : public QObject, public Core::Frontend::SoftwareKeyboardApplet {
Q_OBJECT
public:
explicit QtSoftwareKeyboard(GMainWindow& parent);
~QtSoftwareKeyboard() override;
void InitializeKeyboard(
bool is_inline, Core::Frontend::KeyboardInitializeParameters initialize_parameters,
std::function<void(Service::AM::Applets::SwkbdResult, std::u16string)>
submit_normal_callback_,
std::function<void(Service::AM::Applets::SwkbdReplyType, std::u16string, s32)>
submit_inline_callback_) override;
void ShowNormalKeyboard() const override;
void ShowTextCheckDialog(Service::AM::Applets::SwkbdTextCheckResult text_check_result,
std::u16string text_check_message) const override;
void ShowInlineKeyboard(
Core::Frontend::InlineAppearParameters appear_parameters) const override;
void HideInlineKeyboard() const override;
void InlineTextChanged(Core::Frontend::InlineTextParameters text_parameters) const override;
void ExitKeyboard() const override;
signals:
void MainWindowInitializeKeyboard(
bool is_inline, Core::Frontend::KeyboardInitializeParameters initialize_parameters) const;
void MainWindowShowNormalKeyboard() const;
void MainWindowShowTextCheckDialog(Service::AM::Applets::SwkbdTextCheckResult text_check_result,
std::u16string text_check_message) const;
void MainWindowShowInlineKeyboard(
Core::Frontend::InlineAppearParameters appear_parameters) const;
void MainWindowHideInlineKeyboard() const;
void MainWindowInlineTextChanged(Core::Frontend::InlineTextParameters text_parameters) const;
void MainWindowExitKeyboard() const;
private:
void SubmitNormalText(Service::AM::Applets::SwkbdResult result,
std::u16string submitted_text) const;
void SubmitInlineText(Service::AM::Applets::SwkbdReplyType reply_type,
std::u16string submitted_text, s32 cursor_position) const;
mutable std::function<void(Service::AM::Applets::SwkbdResult, std::u16string)>
submit_normal_callback;
mutable std::function<void(Service::AM::Applets::SwkbdReplyType, std::u16string, s32)>
submit_inline_callback;
};