Add 'Enable Controller Input' checkbox to TAS dialogs

When disabled only inputs from TAS dialog are used.
When enabled inputs from TAS dialog are used, except when a change in
input is detected from a real controller, in this case the TAS value is
replaced with the real controller value.

Source/Core/DolphinQt/TAS/TASInputWindow.h

@@ -0,0 +1,44 @@
+// Copyright 2018 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <QDialog>
+
+#include "Common/CommonTypes.h"
+
+struct GCPadStatus;
+class QBoxLayout;
+class QCheckBox;
+class QDialog;
+class QGroupBox;
+class QSpinBox;
+class QString;
+
+class TASInputWindow : public QDialog
+{
+  Q_OBJECT
+public:
+  explicit TASInputWindow(QWidget* parent);
+
+protected:
+  QGroupBox* CreateStickInputs(QString name, QSpinBox*& x_value, QSpinBox*& y_value, u16 max_x,
+                               u16 max_y, Qt::Key x_shortcut_key, Qt::Key y_shortcut_key);
+  QBoxLayout* CreateSliderValuePairLayout(QString name, QSpinBox*& value, u16 max,
+                                          Qt::Key shortcut_key, QWidget* shortcut_widget,
+                                          bool invert = false);
+  QSpinBox* CreateSliderValuePair(QBoxLayout* layout, u16 max, QKeySequence shortcut_key_sequence,
+                                  Qt::Orientation orientation, QWidget* shortcut_widget,
+                                  bool invert = false);
+  template <typename UX>
+  void GetButton(QCheckBox* button, UX& pad, UX mask);
+  void GetSpinBoxU8(QSpinBox* spin, u8& controller_value);
+  void GetSpinBoxU16(QSpinBox* spin, u16& controller_value);
+  QCheckBox* m_use_controller;
+
+private:
+  std::map<QCheckBox*, bool> m_checkbox_set_by_controller;
+  std::map<QSpinBox*, u8> m_spinbox_most_recent_values_u8;
+  std::map<QSpinBox*, u8> m_spinbox_most_recent_values_u16;
+};