DolphinQt: Rewrite cheat search GUI.

Source/Core/DolphinQt/CheatSearchWidget.h

@@ -0,0 +1,80 @@
+// Copyright 2021 Dolphin Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <QWidget>
+
+#include <functional>
+#include <optional>
+#include <string>
+#include <unordered_map>
+#include <vector>
+
+#include "Common/CommonTypes.h"
+#include "Core/CheatSearch.h"
+
+namespace ActionReplay
+{
+struct ARCode;
+}
+
+class QCheckBox;
+class QComboBox;
+class QLabel;
+class QLineEdit;
+class QPushButton;
+class QTableWidget;
+class QTableWidgetItem;
+
+struct CheatSearchTableUserData
+{
+  std::string m_description;
+};
+
+class CheatSearchWidget : public QWidget
+{
+  Q_OBJECT
+public:
+  explicit CheatSearchWidget(std::unique_ptr<Cheats::CheatSearchSessionBase> session);
+  ~CheatSearchWidget() override;
+
+signals:
+  void ActionReplayCodeGenerated(const ActionReplay::ARCode& ar_code);
+
+private:
+  void CreateWidgets();
+  void ConnectWidgets();
+
+  void OnNextScanClicked();
+  void OnRefreshClicked();
+  void OnResetClicked();
+  void OnAddressTableItemChanged(QTableWidgetItem* item);
+  void OnAddressTableContextMenu();
+  void OnValueSourceChanged();
+  void OnHexCheckboxStateChanged();
+
+  bool RefreshValues();
+  void UpdateGuiTable();
+  void GenerateARCode();
+
+  std::unique_ptr<Cheats::CheatSearchSessionBase> m_session;
+
+  // storage for the 'Current Value' column's data
+  std::unordered_map<u32, std::string> m_address_table_current_values;
+
+  // storage for user-entered metadata such as text descriptions for memory addresses
+  // this is intentionally NOT cleared when updating values or resetting or similar
+  std::unordered_map<u32, CheatSearchTableUserData> m_address_table_user_data;
+
+  QComboBox* m_compare_type_dropdown;
+  QComboBox* m_value_source_dropdown;
+  QLineEdit* m_given_value_text;
+  QLabel* m_info_label_1;
+  QLabel* m_info_label_2;
+  QPushButton* m_next_scan_button;
+  QPushButton* m_refresh_values_button;
+  QPushButton* m_reset_button;
+  QCheckBox* m_display_values_in_hex_checkbox;
+  QTableWidget* m_address_table;
+};