Qt: Implement advanced mapping I/O windows

Source/Core/DolphinQt2/Config/Mapping/IOWindow.h

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+// Copyright 2017 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <QDialog>
+#include <QString>
+
+#include "Common/Flag.h"
+#include "InputCommon/ControllerInterface/Device.h"
+
+class ControlReference;
+class QAbstractButton;
+class QComboBox;
+class QDialogButtonBox;
+class QListWidget;
+class QVBoxLayout;
+class QWidget;
+class QPlainTextEdit;
+class QPushButton;
+class QSlider;
+class QSpinBox;
+
+namespace ControllerEmu
+{
+class EmulatedController;
+}
+
+class IOWindow final : public QDialog
+{
+  Q_OBJECT
+public:
+  enum class Type
+  {
+    Input,
+    Output
+  };
+
+  explicit IOWindow(QWidget* parent, ControllerEmu::EmulatedController* m_controller,
+                    ControlReference* ref, Type type);
+
+private:
+  void CreateMainLayout();
+  void ConnectWidgets();
+  void LoadSettings();
+  void SaveSettings();
+  void Update();
+
+  void OnDialogButtonPressed(QAbstractButton* button);
+  void OnDeviceChanged(const QString& device);
+  void OnDetectButtonPressed();
+  void OnRangeChanged(int range);
+
+  void AppendSelectedOption(const std::string& prefix);
+  void UpdateOptionList();
+  void UpdateDeviceList();
+
+  // Main Layout
+  QVBoxLayout* m_main_layout;
+
+  // Devices
+  QComboBox* m_devices_combo;
+
+  // Options
+  QListWidget* m_option_list;
+
+  // Range
+  QSlider* m_range_slider;
+  QSpinBox* m_range_spinbox;
+
+  // Shared actions
+  QPushButton* m_select_button;
+  QPushButton* m_or_button;
+
+  // Input actions
+  QPushButton* m_detect_button;
+  QPushButton* m_and_button;
+  QPushButton* m_not_button;
+  QPushButton* m_add_button;
+
+  // Output actions
+  QPushButton* m_test_button;
+
+  // Textarea
+  QPlainTextEdit* m_expression_text;
+
+  // Buttonbox
+  QDialogButtonBox* m_button_box;
+  QPushButton* m_clear_button;
+  QPushButton* m_apply_button;
+
+  ControlReference* m_reference;
+  ControllerEmu::EmulatedController* m_controller;
+
+  ciface::Core::DeviceQualifier m_devq;
+  Common::Flag m_block;
+  Type m_type;
+};