Debugger: Add a Thread widget

DebugInterface: Add GetThreads

WatchWidget: Update widget on AddWatch

Source/Core/DolphinQt/Debugger/ThreadWidget.h

@@ -0,0 +1,64 @@
+// Copyright 2020 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <QDockWidget>
+
+#include "Common/CommonTypes.h"
+#include "Common/Debug/Threads.h"
+
+class QCloseEvent;
+class QGroupBox;
+class QLineEdit;
+class QShowEvent;
+class QTableWidget;
+
+class ThreadWidget : public QDockWidget
+{
+  Q_OBJECT
+public:
+  explicit ThreadWidget(QWidget* parent = nullptr);
+  ~ThreadWidget();
+
+signals:
+  void RequestBreakpoint(u32 addr);
+  void RequestMemoryBreakpoint(u32 addr);
+  void RequestWatch(QString name, u32 addr);
+  void RequestViewInCode(u32 addr);
+  void RequestViewInMemory(u32 addr);
+
+protected:
+  void closeEvent(QCloseEvent*) override;
+  void showEvent(QShowEvent* event) override;
+
+private:
+  void CreateWidgets();
+  void ConnectWidgets();
+
+  QLineEdit* CreateLineEdit() const;
+  QGroupBox* CreateContextGroup();
+  QGroupBox* CreateActiveThreadQueueGroup();
+  QGroupBox* CreateThreadGroup();
+  QGroupBox* CreateThreadContextGroup();
+  QGroupBox* CreateThreadCallstackGroup();
+
+  void ShowContextMenu(QTableWidget* table);
+
+  void Update();
+  void UpdateThreadContext(const Common::Debug::PartialContext& context);
+  void UpdateThreadCallstack(const Common::Debug::PartialContext& context);
+  void OnSelectionChanged(int row);
+
+  QGroupBox* m_state;
+  QLineEdit* m_current_context;
+  QLineEdit* m_current_thread;
+  QLineEdit* m_default_thread;
+  QLineEdit* m_queue_head;
+  QLineEdit* m_queue_tail;
+  QTableWidget* m_thread_table;
+  QTableWidget* m_context_table;
+  QTableWidget* m_callstack_table;
+  Common::Debug::Threads m_threads;
+};