Qt: Add config and implementation for basic controller input

src/duckstation-qt/portsettingswidget.h

@@ -0,0 +1,77 @@
+#pragma once
+#include "core/types.h"
+#include <QtWidgets/QComboBox>
+#include <QtWidgets/QGridLayout>
+#include <QtWidgets/QLabel>
+#include <QtWidgets/QLineEdit>
+#include <QtWidgets/QPushButton>
+#include <QtWidgets/QTabWidget>
+#include <QtWidgets/QWidget>
+#include <array>
+#include <vector>
+
+class QTimer;
+
+class QtHostInterface;
+class InputButtonBindingWidget;
+
+class PortSettingsWidget : public QWidget
+{
+  Q_OBJECT
+
+public:
+  PortSettingsWidget(QtHostInterface* host_interface, QWidget* parent = nullptr);
+  ~PortSettingsWidget();
+
+private:
+  QtHostInterface* m_host_interface;
+
+  QTabWidget* m_tab_widget;
+
+  struct PortSettingsUI
+  {
+    QWidget* widget;
+    QVBoxLayout* layout;
+    QComboBox* controller_type;
+    QLineEdit* memory_card_path;
+    QPushButton* memory_card_path_browse;
+    QWidget* button_binding_container;
+  };
+
+  void createUi();
+  void createPortSettingsUi(int index, PortSettingsUI* ui);
+  void createPortBindingSettingsUi(int index, PortSettingsUI* ui);
+  void onControllerTypeChanged(int index);
+
+  std::array<PortSettingsUI, 2> m_port_ui = {};
+};
+
+class InputButtonBindingWidget : public QPushButton
+{
+  Q_OBJECT
+
+public:
+  InputButtonBindingWidget(QtHostInterface* host_interface, QString setting_name, ControllerType controller_type,
+                           QWidget* parent);
+  ~InputButtonBindingWidget();
+
+protected:
+  void keyPressEvent(QKeyEvent* event) override;
+  void keyReleaseEvent(QKeyEvent* event) override;
+  
+private Q_SLOTS:
+  void onPressed();
+  void onInputListenTimerTimeout();
+
+private:
+  bool isListeningForInput() const { return m_input_listen_timer != nullptr; }
+  void startListeningForInput();
+  void stopListeningForInput();
+
+  QtHostInterface* m_host_interface;
+  QString m_setting_name;
+  QString m_current_binding_value;
+  ControllerType m_controller_type;
+  QTimer* m_input_listen_timer = nullptr;
+  u32 m_input_listen_remaining_seconds = 0;
+};