DolphinQt: JIT Widget Refresh

Fulfilling a certain six-year-old todo.

Source/Core/DolphinQt/Debugger/JitBlockTableModel.h

@@ -0,0 +1,126 @@
+// Copyright 2024 Dolphin Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <QAbstractTableModel>
+#include <QList>
+#include <QVariant>
+
+#include "Common/CommonTypes.h"
+#include "Common/Lazy.h"
+#include "Core/PowerPC/JitCommon/JitCache.h"
+
+namespace Core
+{
+enum class State;
+class System;
+}  // namespace Core
+class JitInterface;
+class PPCSymbolDB;
+class QString;
+
+namespace JitBlockTableModelColumn
+{
+enum EnumType : int
+{
+  PPCFeatureFlags = 0,
+  EffectiveAddress,
+  CodeBufferSize,
+  RepeatInstructions,
+  HostNearCodeSize,
+  HostFarCodeSize,
+  RunCount,
+  CyclesSpent,
+  CyclesAverage,
+  CyclesPercent,
+  TimeSpent,
+  TimeAverage,
+  TimePercent,
+  Symbol,
+  NumberOfColumns,
+};
+}
+
+namespace JitBlockTableModelUserRole
+{
+enum EnumType : int
+{
+  SortRole = Qt::UserRole,
+};
+}
+
+class JitBlockTableModel final : public QAbstractTableModel
+{
+  Q_OBJECT
+
+  using Column = JitBlockTableModelColumn::EnumType;
+  using UserRole = JitBlockTableModelUserRole::EnumType;
+  using JitBlockRefs = QList<std::reference_wrapper<const JitBlock>>;
+  using SymbolListValueType = Common::Lazy<QVariant>;
+  using SymbolList = QList<SymbolListValueType>;
+
+public:
+  explicit JitBlockTableModel(Core::System& system, JitInterface& jit_interface,
+                              PPCSymbolDB& ppc_symbol_db, QObject* parent = nullptr);
+  ~JitBlockTableModel() override;
+
+  JitBlockTableModel(const JitBlockTableModel&) = delete;
+  JitBlockTableModel(JitBlockTableModel&&) = delete;
+  JitBlockTableModel& operator=(const JitBlockTableModel&) = delete;
+  JitBlockTableModel& operator=(JitBlockTableModel&&) = delete;
+
+  QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const override;
+  QVariant headerData(int section, Qt::Orientation orientation,
+                      int role = Qt::DisplayRole) const override;
+  int rowCount(const QModelIndex& parent = QModelIndex{}) const override;
+  int columnCount(const QModelIndex& parent = QModelIndex{}) const override;
+  bool removeRows(int row, int count, const QModelIndex& parent = QModelIndex{}) override;
+
+  const JitBlock& GetJitBlock(const QModelIndex& index) const;
+  const JitBlockRefs& GetJitBlockRefs() const { return m_jit_blocks; }
+  const SymbolList& GetSymbolList() const { return m_symbol_list; }
+
+  // Always connected slots (external signals)
+  void OnShowSignal();
+  void OnHideSignal();
+  void OnSortIndicatorChanged(int logicalIndex, Qt::SortOrder order);
+  void OnFilterSymbolTextChanged(const QString& string);
+
+private:
+  [[nodiscard]] QVariant DisplayRoleData(const QModelIndex& index) const;
+  [[nodiscard]] QVariant TextAlignmentRoleData(const QModelIndex& index) const;
+  [[nodiscard]] QVariant SortRoleData(const QModelIndex& index) const;
+
+  void SumOverallCosts();
+  void PrefetchSymbols();
+  void Clear();
+  void Update(Core::State state);
+  void UpdateProfileData();
+  void UpdateSymbols();
+
+  // Setup and teardown
+  void ConnectSlots();
+  void DisconnectSlots();
+  void Show();
+  void Hide();
+
+  // Conditionally connected slots (external signals)
+  void OnJitCacheCleared();
+  void OnJitProfileDataWiped();
+  void OnUpdateDisasmDialog();
+  void OnPPCSymbolsUpdated();
+  void OnPPCBreakpointsChanged();
+  void OnEmulationStateChanged(Core::State state);
+
+  Core::System& m_system;
+  JitInterface& m_jit_interface;
+  PPCSymbolDB& m_ppc_symbol_db;
+
+  JitBlockRefs m_jit_blocks;
+  SymbolList m_symbol_list;
+  u64 m_overall_cycles_spent;
+  JitBlock::ProfileData::Clock::duration m_overall_time_spent;
+  bool m_sorting_by_symbols = false;
+  bool m_filtering_by_symbols = false;
+};