Qt: Add debugger UI

src/duckstation-qt/debuggermodels.h

@@ -0,0 +1,84 @@
+#pragma once
+#include "core/bus.h"
+#include "core/cpu_types.h"
+#include <QtCore/QAbstractListModel>
+#include <QtCore/QAbstractTableModel>
+#include <QtGui/QPixmap>
+#include <map>
+
+class DebuggerCodeModel : public QAbstractTableModel
+{
+  Q_OBJECT
+
+public:
+  DebuggerCodeModel(QObject* parent = nullptr);
+  virtual ~DebuggerCodeModel();
+
+  virtual int rowCount(const QModelIndex& parent = QModelIndex()) const override;
+  virtual int columnCount(const QModelIndex& parent = QModelIndex()) const override;
+  virtual QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const override;
+  virtual QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
+
+  // Returns the row for this instruction pointer
+  void resetCodeView(VirtualMemoryAddress start_address);
+  int getRowForAddress(VirtualMemoryAddress address) const;
+  int getRowForPC() const;
+  VirtualMemoryAddress getAddressForRow(int row) const;
+  VirtualMemoryAddress getAddressForIndex(QModelIndex index) const;
+  void setPC(VirtualMemoryAddress pc);
+  void ensureAddressVisible(VirtualMemoryAddress address);
+  void setBreakpointList(std::vector<VirtualMemoryAddress> bps);
+  void setBreakpointState(VirtualMemoryAddress address, bool enabled);
+  void clearBreakpoints();
+
+private:
+  bool updateRegion(VirtualMemoryAddress address);
+  bool emitDataChangedForAddress(VirtualMemoryAddress address);
+  bool hasBreakpointAtAddress(VirtualMemoryAddress address) const;
+
+  Bus::MemoryRegion m_current_code_region = Bus::MemoryRegion::Count;
+  CPU::Segment m_current_segment = CPU::Segment::KUSEG;
+  VirtualMemoryAddress m_code_region_start = 0;
+  VirtualMemoryAddress m_code_region_end = 0;
+  VirtualMemoryAddress m_last_pc = 0;
+  std::vector<VirtualMemoryAddress> m_breakpoints;
+
+  QPixmap m_pc_pixmap;
+  QPixmap m_breakpoint_pixmap;
+};
+
+class DebuggerRegistersModel : public QAbstractListModel
+{
+  Q_OBJECT
+
+public:
+  DebuggerRegistersModel(QObject* parent = nullptr);
+  virtual ~DebuggerRegistersModel();
+
+  virtual int rowCount(const QModelIndex& parent = QModelIndex()) const override;
+  virtual int columnCount(const QModelIndex& parent = QModelIndex()) const override;
+  virtual QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const override;
+  virtual QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
+
+  void invalidateView();
+  void saveCurrentValues();
+
+private:
+  u32 m_old_reg_values[static_cast<u32>(CPU::Reg::count)] = {};
+};
+
+class DebuggerStackModel : public QAbstractListModel
+{
+  Q_OBJECT
+
+public:
+  DebuggerStackModel(QObject* parent = nullptr);
+  virtual ~DebuggerStackModel();
+
+  virtual int rowCount(const QModelIndex& parent = QModelIndex()) const override;
+  virtual int columnCount(const QModelIndex& parent = QModelIndex()) const override;
+  virtual QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const override;
+  virtual QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
+
+  void invalidateView();
+};