Qt: Support binding multiple buttons/axis to controllers

src/duckstation-qt/inputbindingdialog.h

@@ -0,0 +1,95 @@
+#pragma once
+#include "common/types.h"
+#include "ui_inputbindingdialog.h"
+#include <QtWidgets/QDialog>
+#include <string>
+#include <vector>
+
+class QtHostInterface;
+
+class InputBindingDialog : public QDialog
+{
+  Q_OBJECT
+
+public:
+  InputBindingDialog(QtHostInterface* host_interface, std::string section_name, std::string key_name,
+                     std::vector<std::string> bindings, QWidget* parent);
+  ~InputBindingDialog();
+
+protected Q_SLOTS:
+  void onAddBindingButtonClicked();
+  void onRemoveBindingButtonClicked();
+  void onClearBindingsButtonClicked();
+  void onInputListenTimerTimeout();
+
+protected:
+  enum : u32
+  {
+    TIMEOUT_FOR_BINDING = 5
+  };
+
+  virtual bool eventFilter(QObject* watched, QEvent* event) override;
+
+  virtual void startListeningForInput(u32 timeout_in_seconds);
+  virtual void stopListeningForInput();
+
+  bool isListeningForInput() const { return m_input_listen_timer != nullptr; }
+  void addNewBinding(std::string new_binding);
+
+  void updateList();
+  void saveListToSettings();
+
+  Ui::InputBindingDialog m_ui;
+
+  QtHostInterface* m_host_interface;
+
+  std::string m_section_name;
+  std::string m_key_name;
+  std::vector<std::string> m_bindings;
+  std::string m_new_binding_value;
+
+  QTimer* m_input_listen_timer = nullptr;
+  u32 m_input_listen_remaining_seconds = 0;
+};
+
+class InputButtonBindingDialog : public InputBindingDialog
+{
+  Q_OBJECT
+
+public:
+  InputButtonBindingDialog(QtHostInterface* host_interface, std::string section_name, std::string key_name,
+                           std::vector<std::string> bindings, QWidget* parent);
+  ~InputButtonBindingDialog();
+
+protected:
+  bool eventFilter(QObject* watched, QEvent* event) override;
+
+private Q_SLOTS:
+  void bindToControllerAxis(int controller_index, int axis_index, bool positive);
+  void bindToControllerButton(int controller_index, int button_index);
+
+protected:
+  void startListeningForInput(u32 timeout_in_seconds) override;
+  void stopListeningForInput() override;
+  void hookControllerInput();
+  void unhookControllerInput();
+};
+
+class InputAxisBindingDialog : public InputBindingDialog
+{
+  Q_OBJECT
+
+public:
+  InputAxisBindingDialog(QtHostInterface* host_interface, std::string section_name, std::string key_name,
+                           std::vector<std::string> bindings, QWidget* parent);
+  ~InputAxisBindingDialog();
+
+private Q_SLOTS:
+  void bindToControllerAxis(int controller_index, int axis_index);
+
+protected:
+  void startListeningForInput(u32 timeout_in_seconds) override;
+  void stopListeningForInput() override;
+  void hookControllerInput();
+  void unhookControllerInput();
+};