feat(事件系统): 实现完整的事件处理框架

添加事件系统核心组件，包括事件基类、各种输入事件类型和事件分发机制。主要功能：
- 新增基础事件类及键盘、鼠标、触摸、手柄等输入事件
- 在Actor类中实现事件监听和分发功能
- 在Scene类中添加事件处理逻辑
- 在Application类中集成SDL事件转换和分发
- 添加测试用例验证手柄事件处理

事件系统支持冒泡和优先级排序，为游戏交互提供基础支持

Frostbite2D/include/frostbite2D/2d/actor.h

@@ -4,8 +4,16 @@
 #include <frostbite2D/types/type_alias.h>
 #include <frostbite2D/types/type_math.h>
 #include <frostbite2D/utils/intrusive_list.hpp>
+#include <frostbite2D/event/event.h>
+#include <frostbite2D/event/key_event.h>
+#include <frostbite2D/event/mouse_event.h>
+#include <frostbite2D/event/touch_event.h>
+#include <frostbite2D/event/joystick_event.h>
+#include <frostbite2D/event/window_event.h>
 #include <string>
 #include <vector>
+#include <functional>
+#include <unordered_map>
 
 namespace frostbite2D {
 
@@ -70,7 +78,43 @@ public:
   ActorList& GetChildren() { return children_; }
   const ActorList& GetChildren() const { return children_; }
 
-protected:
+  bool IsEventReceiveEnabled() const { return eventReceiveEnabled_; }
+  void EnableEventReceive() { eventReceiveEnabled_ = true; }
+  void DisableEventReceive() { eventReceiveEnabled_ = false; }
+
+  int32 GetEventPriority() const { return eventPriority_; }
+  void SetEventPriority(int32 priority) { eventPriority_ = priority; }
+
+  bool IsEventInterceptEnabled() const { return eventInterceptEnabled_; }
+  void EnableEventIntercept() { eventInterceptEnabled_ = true; }
+  void DisableEventIntercept() { eventInterceptEnabled_ = false; }
+
+  using EventCallback = std::function<bool(const Event&)>;
+
+  uint32 AddEventListener(EventType type, EventCallback callback);
+  bool RemoveEventListener(uint32 listenerId);
+  void ClearEventListeners();
+
+  virtual bool OnEvent(const Event& event);
+
+  virtual bool OnKeyDown(const KeyEvent& event);
+  virtual bool OnKeyUp(const KeyEvent& event);
+  virtual bool OnMouseDown(const MouseEvent& event);
+  virtual bool OnMouseUp(const MouseEvent& event);
+  virtual bool OnMouseMove(const MouseEvent& event);
+  virtual bool OnMouseWheel(const MouseEvent& event);
+  virtual bool OnTouchDown(const TouchEvent& event);
+  virtual bool OnTouchUp(const TouchEvent& event);
+  virtual bool OnTouchMove(const TouchEvent& event);
+  virtual bool OnJoystickAxis(const JoystickEvent& event);
+  virtual bool OnJoystickButtonDown(const JoystickEvent& event);
+  virtual bool OnJoystickButtonUp(const JoystickEvent& event);
+  virtual bool OnWindowResize(const WindowEvent& event);
+
+  bool DispatchEvent(const Event& event);
+  bool BubbleEvent(const Event& event);
+
+ protected:
   void SetParent(Actor* parent) { parent_ = parent; }
   void SetScene(Scene* scene) { scene_ = scene; }
 
@@ -99,6 +143,18 @@ private:
   mutable Transform2D worldTransform_;
   mutable bool transformDirty_ = true;
 
+  bool eventReceiveEnabled_ = false;
+  int32 eventPriority_ = 0;
+  bool eventInterceptEnabled_ = false;
+
+  struct EventListener {
+    uint32 id;
+    EventType type;
+    EventCallback callback;
+  };
+  std::vector<EventListener> eventListeners_;
+  uint32 nextListenerId_ = 1;
+
   void markTransformDirty();
   void updateLocalTransform() const;
   void updateWorldTransform() const;

Frostbite2D/include/frostbite2D/core/application.h

@@ -3,7 +3,9 @@
 #include <frostbite2D/core/window.h>
 #include <frostbite2D/graphics/camera.h>
 #include <frostbite2D/types/type_alias.h>
+#include <frostbite2D/event/event.h>
 #include <string>
+#include <memory>
 
 namespace frostbite2D {
 
@@ -175,6 +177,9 @@ private:
       */
     void render();
 
+    std::unique_ptr<Event> convertSDLEvent(const SDL_Event& sdlEvent);
+    void dispatchEvent(const Event& event);
+
     Window* window_ = nullptr;
     class Renderer* renderer_ = nullptr;
     Camera* camera_ = nullptr;

Frostbite2D/include/frostbite2D/event/event.h

@@ -0,0 +1,63 @@
+#pragma once
+
+#include <frostbite2D/types/type_alias.h>
+
+namespace frostbite2D {
+
+class Actor;
+
+enum class EventType : int32 {
+  None = 0,
+  WindowClose,
+  WindowResize,
+  WindowFocus,
+  WindowMinimize,
+  WindowMaximize,
+  WindowRestore,
+  KeyDown,
+  KeyUp,
+  KeyText,
+  MouseMove,
+  MouseButtonDown,
+  MouseButtonUp,
+  MouseWheel,
+  TouchDown,
+  TouchUp,
+  TouchMove,
+  JoystickAxis,
+  JoystickBall,
+  JoystickHat,
+  JoystickButtonDown,
+  JoystickButtonUp,
+  Custom
+};
+
+class Event {
+public:
+  virtual ~Event() = default;
+  
+  virtual EventType getType() const = 0;
+  
+  bool isHandled() const { return handled_; }
+  void setHandled(bool handled) { handled_ = handled; }
+  
+  bool isPropagationStopped() const { return propagationStopped_; }
+  void stopPropagation() { propagationStopped_ = true; }
+  
+  Actor* getSource() const { return source_; }
+  void setSource(Actor* actor) { source_ = actor; }
+  
+  uint32 getTimestamp() const { return timestamp_; }
+  
+protected:
+  Event() = default;
+  Event(uint32 timestamp)
+    : timestamp_(timestamp) {}
+  
+  bool handled_ = false;
+  bool propagationStopped_ = false;
+  Actor* source_ = nullptr;
+  uint32 timestamp_ = 0;
+};
+
+}

Frostbite2D/include/frostbite2D/event/joystick_event.h

@@ -0,0 +1,112 @@
+#pragma once
+
+#include <frostbite2D/event/event.h>
+#include <SDL2/SDL_joystick.h>
+
+namespace frostbite2D {
+
+class JoystickEvent : public Event {
+public:
+  JoystickEvent(EventType type, uint32 timestamp, int32 deviceId)
+    : Event(timestamp)
+    , type_(type)
+    , deviceId_(deviceId) {}
+  
+  EventType getType() const override {
+    return type_;
+  }
+  
+  int32 getDeviceId() const { return deviceId_; }
+  
+protected:
+  EventType type_;
+  int32 deviceId_;
+};
+
+class JoystickAxisEvent : public JoystickEvent {
+public:
+  JoystickAxisEvent(uint32 timestamp, int32 deviceId, uint8 axis, int16 value)
+    : JoystickEvent(EventType::JoystickAxis, timestamp, deviceId)
+    , axis_(axis)
+    , value_(value) {}
+  
+  uint8 getAxis() const { return axis_; }
+  int16 getValue() const { return value_; }
+  
+  float getNormalizedValue() const {
+    return static_cast<float>(value_) / 32767.0f;
+  }
+  
+private:
+  uint8 axis_;
+  int16 value_;
+};
+
+class JoystickBallEvent : public JoystickEvent {
+public:
+  JoystickBallEvent(uint32 timestamp, int32 deviceId, uint8 ball, int16 dx, int16 dy)
+    : JoystickEvent(EventType::JoystickBall, timestamp, deviceId)
+    , ball_(ball)
+    , dx_(dx)
+    , dy_(dy) {}
+  
+  uint8 getBall() const { return ball_; }
+  int16 getDX() const { return dx_; }
+  int16 getDY() const { return dy_; }
+  
+private:
+  uint8 ball_;
+  int16 dx_;
+  int16 dy_;
+};
+
+class JoystickHatEvent : public JoystickEvent {
+public:
+  JoystickHatEvent(uint32 timestamp, int32 deviceId, uint8 hat, uint8 value)
+    : JoystickEvent(EventType::JoystickHat, timestamp, deviceId)
+    , hat_(hat)
+    , value_(value) {}
+  
+  uint8 getHat() const { return hat_; }
+  uint8 getValue() const { return value_; }
+  
+  bool isCentered() const { return value_ == SDL_HAT_CENTERED; }
+  bool isUp() const { return (value_ & SDL_HAT_UP) != 0; }
+  bool isRight() const { return (value_ & SDL_HAT_RIGHT) != 0; }
+  bool isDown() const { return (value_ & SDL_HAT_DOWN) != 0; }
+  bool isLeft() const { return (value_ & SDL_HAT_LEFT) != 0; }
+  
+private:
+  uint8 hat_;
+  uint8 value_;
+};
+
+class JoystickButtonEvent : public JoystickEvent {
+public:
+  JoystickButtonEvent(EventType type, uint32 timestamp, int32 deviceId, uint8 button)
+    : JoystickEvent(type, timestamp, deviceId)
+    , button_(button) {}
+  
+  EventType getType() const override {
+    return type_;
+  }
+  
+  uint8 getButton() const { return button_; }
+  
+private:
+  uint8 button_;
+};
+
+class JoystickButtonDownEvent : public JoystickButtonEvent {
+public:
+  JoystickButtonDownEvent(uint32 timestamp, int32 deviceId, uint8 button)
+    : JoystickButtonEvent(EventType::JoystickButtonDown, timestamp, deviceId, button) {}
+};
+
+class JoystickButtonUpEvent : public JoystickButtonEvent {
+public:
+  JoystickButtonUpEvent(uint32 timestamp, int32 deviceId, uint8 button)
+    : JoystickButtonEvent(EventType::JoystickButtonUp, timestamp, deviceId, button) {}
+};
+
+}

Frostbite2D/include/frostbite2D/event/key_event.h

@@ -0,0 +1,208 @@
+#pragma once
+
+#include <frostbite2D/event/event.h>
+#include <SDL2/SDL_keyboard.h>
+#include <string>
+
+namespace frostbite2D {
+
+enum class KeyCode {
+  Unknown = SDLK_UNKNOWN,
+  Return = SDLK_RETURN,
+  Escape = SDLK_ESCAPE,
+  Backspace = SDLK_BACKSPACE,
+  Tab = SDLK_TAB,
+  Space = SDLK_SPACE,
+  Exclaim = SDLK_EXCLAIM,
+  Quotedbl = SDLK_QUOTEDBL,
+  Hash = SDLK_HASH,
+  Percent = SDLK_PERCENT,
+  Dollar = SDLK_DOLLAR,
+  Ampersand = SDLK_AMPERSAND,
+  Quote = SDLK_QUOTE,
+  LeftParen = SDLK_LEFTPAREN,
+  RightParen = SDLK_RIGHTPAREN,
+  Asterisk = SDLK_ASTERISK,
+  Plus = SDLK_PLUS,
+  Comma = SDLK_COMMA,
+  Minus = SDLK_MINUS,
+  Period = SDLK_PERIOD,
+  Slash = SDLK_SLASH,
+  Num0 = SDLK_0,
+  Num1 = SDLK_1,
+  Num2 = SDLK_2,
+  Num3 = SDLK_3,
+  Num4 = SDLK_4,
+  Num5 = SDLK_5,
+  Num6 = SDLK_6,
+  Num7 = SDLK_7,
+  Num8 = SDLK_8,
+  Num9 = SDLK_9,
+  Colon = SDLK_COLON,
+  Semicolon = SDLK_SEMICOLON,
+  Less = SDLK_LESS,
+  Equals = SDLK_EQUALS,
+  Greater = SDLK_GREATER,
+  Question = SDLK_QUESTION,
+  At = SDLK_AT,
+  LeftBracket = SDLK_LEFTBRACKET,
+  Backslash = SDLK_BACKSLASH,
+  RightBracket = SDLK_RIGHTBRACKET,
+  Caret = SDLK_CARET,
+  Underscore = SDLK_UNDERSCORE,
+  Backquote = SDLK_BACKQUOTE,
+  a = SDLK_a,
+  b = SDLK_b,
+  c = SDLK_c,
+  d = SDLK_d,
+  e = SDLK_e,
+  f = SDLK_f,
+  g = SDLK_g,
+  h = SDLK_h,
+  i = SDLK_i,
+  j = SDLK_j,
+  k = SDLK_k,
+  l = SDLK_l,
+  m = SDLK_m,
+  n = SDLK_n,
+  o = SDLK_o,
+  p = SDLK_p,
+  q = SDLK_q,
+  r = SDLK_r,
+  s = SDLK_s,
+  t = SDLK_t,
+  u = SDLK_u,
+  v = SDLK_v,
+  w = SDLK_w,
+  x = SDLK_x,
+  y = SDLK_y,
+  z = SDLK_z,
+  CapsLock = SDLK_CAPSLOCK,
+  F1 = SDLK_F1,
+  F2 = SDLK_F2,
+  F3 = SDLK_F3,
+  F4 = SDLK_F4,
+  F5 = SDLK_F5,
+  F6 = SDLK_F6,
+  F7 = SDLK_F7,
+  F8 = SDLK_F8,
+  F9 = SDLK_F9,
+  F10 = SDLK_F10,
+  F11 = SDLK_F11,
+  F12 = SDLK_F12,
+  PrintScreen = SDLK_PRINTSCREEN,
+  ScrollLock = SDLK_SCROLLLOCK,
+  Pause = SDLK_PAUSE,
+  Insert = SDLK_INSERT,
+  Home = SDLK_HOME,
+  PageUp = SDLK_PAGEUP,
+  Delete = SDLK_DELETE,
+  End = SDLK_END,
+  PageDown = SDLK_PAGEDOWN,
+  Right = SDLK_RIGHT,
+  Left = SDLK_LEFT,
+  Down = SDLK_DOWN,
+  Up = SDLK_UP,
+  Numpad0 = SDLK_KP_0,
+  Numpad1 = SDLK_KP_1,
+  Numpad2 = SDLK_KP_2,
+  Numpad3 = SDLK_KP_3,
+  Numpad4 = SDLK_KP_4,
+  Numpad5 = SDLK_KP_5,
+  Numpad6 = SDLK_KP_6,
+  Numpad7 = SDLK_KP_7,
+  Numpad8 = SDLK_KP_8,
+  Numpad9 = SDLK_KP_9,
+  NumpadDecimal = SDLK_KP_DECIMAL,
+  NumpadDivide = SDLK_KP_DIVIDE,
+  NumpadMultiply = SDLK_KP_MULTIPLY,
+  NumpadMinus = SDLK_KP_MINUS,
+  NumpadPlus = SDLK_KP_PLUS,
+  NumpadEnter = SDLK_KP_ENTER,
+  NumpadEquals = SDLK_KP_EQUALS,
+  LShift = SDLK_LSHIFT,
+  RShift = SDLK_RSHIFT,
+  LCtrl = SDLK_LCTRL,
+  RCtrl = SDLK_RCTRL,
+  LAlt = SDLK_LALT,
+  RAlt = SDLK_RALT,
+  LGui = SDLK_LGUI,
+  RGui = SDLK_RGUI
+};
+
+enum class KeyMod {
+  None = KMOD_NONE,
+  LShift = KMOD_LSHIFT,
+  RShift = KMOD_RSHIFT,
+  Shift = KMOD_SHIFT,
+  LCtrl = KMOD_LCTRL,
+  RCtrl = KMOD_RCTRL,
+  Ctrl = KMOD_CTRL,
+  LAlt = KMOD_LALT,
+  RAlt = KMOD_RALT,
+  Alt = KMOD_ALT,
+  LGui = KMOD_LGUI,
+  RGui = KMOD_RGUI,
+  Gui = KMOD_GUI,
+  Num = KMOD_NUM,
+  Caps = KMOD_CAPS
+};
+
+class KeyEvent : public Event {
+public:
+  KeyEvent(uint32 timestamp, KeyCode keyCode, KeyMod modifiers, bool repeat)
+    : Event(timestamp)
+    , keyCode_(keyCode)
+    , modifiers_(modifiers)
+    , repeat_(repeat) {}
+  
+  EventType getType() const override {
+    return EventType::KeyDown;
+  }
+  
+  KeyCode getKeyCode() const { return keyCode_; }
+  KeyMod getModifiers() const { return modifiers_; }
+  bool isRepeat() const { return repeat_; }
+  
+private:
+  KeyCode keyCode_;
+  KeyMod modifiers_;
+  bool repeat_;
+};
+
+class KeyUpEvent : public Event {
+public:
+  KeyUpEvent(uint32 timestamp, KeyCode keyCode, KeyMod modifiers)
+    : Event(timestamp)
+    , keyCode_(keyCode)
+    , modifiers_(modifiers) {}
+  
+  EventType getType() const override {
+    return EventType::KeyUp;
+  }
+  
+  KeyCode getKeyCode() const { return keyCode_; }
+  KeyMod getModifiers() const { return modifiers_; }
+  
+private:
+  KeyCode keyCode_;
+  KeyMod modifiers_;
+};
+
+class KeyTextEvent : public Event {
+public:
+  KeyTextEvent(uint32 timestamp, const std::string& text)
+    : Event(timestamp)
+    , text_(text) {}
+  
+  EventType getType() const override {
+    return EventType::KeyText;
+  }
+  
+  const std::string& getText() const { return text_; }
+  
+private:
+  std::string text_;
+};
+
+}

Frostbite2D/include/frostbite2D/event/mouse_event.h

@@ -0,0 +1,108 @@
+#pragma once
+
+#include <frostbite2D/event/event.h>
+#include <frostbite2D/types/type_math.h>
+#include <SDL2/SDL_mouse.h>
+
+namespace frostbite2D {
+
+enum class MouseButton {
+  Left = SDL_BUTTON_LEFT,
+  Right = SDL_BUTTON_RIGHT,
+  Middle = SDL_BUTTON_MIDDLE,
+  X1 = SDL_BUTTON_X1,
+  X2 = SDL_BUTTON_X2
+};
+
+class MouseEvent : public Event {
+public:
+  MouseEvent(EventType type, uint32 timestamp, const Vec2& position)
+    : Event(timestamp)
+    , type_(type)
+    , position_(position) {}
+  
+  virtual ~MouseEvent() = default;
+  
+  EventType getType() const override { return type_; }
+  const Vec2& getPosition() const { return position_; }
+  int32 getX() const { return static_cast<int32>(position_.x); }
+  int32 getY() const { return static_cast<int32>(position_.y); }
+  
+protected:
+  EventType type_;
+  Vec2 position_;
+};
+
+class MouseMoveEvent : public Event {
+public:
+  MouseMoveEvent(uint32 timestamp, const Vec2& position, const Vec2& relative)
+    : Event(timestamp)
+    , position_(position)
+    , relative_(relative) {}
+  
+  EventType getType() const override {
+    return EventType::MouseMove;
+  }
+  
+  const Vec2& getPosition() const { return position_; }
+  const Vec2& getRelative() const { return relative_; }
+  
+  int32 getX() const { return static_cast<int32>(position_.x); }
+  int32 getY() const { return static_cast<int32>(position_.y); }
+  
+private:
+  Vec2 position_;
+  Vec2 relative_;
+};
+
+class MouseButtonEvent : public Event {
+public:
+  MouseButtonEvent(uint32 timestamp, MouseButton button, const Vec2& position, bool down)
+    : Event(timestamp)
+    , button_(button)
+    , position_(position)
+    , down_(down) {}
+  
+  EventType getType() const override {
+    return down_ ? EventType::MouseButtonDown : EventType::MouseButtonUp;
+  }
+  
+  MouseButton getButton() const { return button_; }
+  const Vec2& getPosition() const { return position_; }
+  bool isDown() const { return down_; }
+  
+  int32 getX() const { return static_cast<int32>(position_.x); }
+  int32 getY() const { return static_cast<int32>(position_.y); }
+  
+private:
+  MouseButton button_;
+  Vec2 position_;
+  bool down_;
+};
+
+class MouseWheelEvent : public Event {
+public:
+  MouseWheelEvent(uint32 timestamp, const Vec2& position, const Vec2& direction, bool flipped)
+    : Event(timestamp)
+    , position_(position)
+    , direction_(direction)
+    , flipped_(flipped) {}
+  
+  EventType getType() const override {
+    return EventType::MouseWheel;
+  }
+  
+  const Vec2& getPosition() const { return position_; }
+  const Vec2& getDirection() const { return direction_; }
+  bool isFlipped() const { return flipped_; }
+  
+  int32 getX() const { return static_cast<int32>(direction_.x); }
+  int32 getY() const { return static_cast<int32>(direction_.y); }
+  
+private:
+  Vec2 position_;
+  Vec2 direction_;
+  bool flipped_;
+};
+
+}

Frostbite2D/include/frostbite2D/event/touch_event.h

@@ -0,0 +1,64 @@
+#pragma once
+
+#include <frostbite2D/event/event.h>
+#include <frostbite2D/types/type_math.h>
+#include <SDL2/SDL_touch.h>
+
+namespace frostbite2D {
+
+class TouchEvent : public Event {
+public:
+  TouchEvent(EventType type, uint32 timestamp, int64 touchId, int64 fingerId, 
+             const Vec2& position, const Vec2& delta, float pressure)
+    : Event(timestamp)
+    , type_(type)
+    , touchId_(touchId)
+    , fingerId_(fingerId)
+    , position_(position)
+    , delta_(delta)
+    , pressure_(pressure) {}
+  
+  EventType getType() const override {
+    return type_;
+  }
+  
+  int64 getTouchId() const { return touchId_; }
+  int64 getFingerId() const { return fingerId_; }
+  const Vec2& getPosition() const { return position_; }
+  const Vec2& getDelta() const { return delta_; }
+  float getPressure() const { return pressure_; }
+  
+private:
+  EventType type_;
+  int64 touchId_;
+  int64 fingerId_;
+  Vec2 position_;
+  Vec2 delta_;
+  float pressure_;
+};
+
+class TouchDownEvent : public TouchEvent {
+public:
+  TouchDownEvent(uint32 timestamp, int64 touchId, int64 fingerId, 
+                 const Vec2& position, float pressure)
+    : TouchEvent(EventType::TouchDown, timestamp, touchId, fingerId, 
+                 position, Vec2(0, 0), pressure) {}
+};
+
+class TouchUpEvent : public TouchEvent {
+public:
+  TouchUpEvent(uint32 timestamp, int64 touchId, int64 fingerId, 
+               const Vec2& position, float pressure)
+    : TouchEvent(EventType::TouchUp, timestamp, touchId, fingerId, 
+                 position, Vec2(0, 0), pressure) {}
+};
+
+class TouchMoveEvent : public TouchEvent {
+public:
+  TouchMoveEvent(uint32 timestamp, int64 touchId, int64 fingerId, 
+                 const Vec2& position, const Vec2& delta, float pressure)
+    : TouchEvent(EventType::TouchMove, timestamp, touchId, fingerId, 
+                 position, delta, pressure) {}
+};
+
+}

Frostbite2D/include/frostbite2D/event/window_event.h

@@ -0,0 +1,77 @@
+#pragma once
+
+#include <frostbite2D/event/event.h>
+#include <SDL2/SDL_events.h>
+
+namespace frostbite2D {
+
+class WindowEvent : public Event {
+public:
+  WindowEvent(EventType type, uint32 timestamp, int32 windowId)
+    : Event(timestamp)
+    , type_(type)
+    , windowId_(windowId) {}
+  
+  EventType getType() const override {
+    return type_;
+  }
+  
+  int32 getWindowId() const { return windowId_; }
+  
+protected:
+  EventType type_;
+  int32 windowId_;
+};
+
+class WindowCloseEvent : public WindowEvent {
+public:
+  WindowCloseEvent(uint32 timestamp, int32 windowId)
+    : WindowEvent(EventType::WindowClose, timestamp, windowId) {}
+};
+
+class WindowResizeEvent : public WindowEvent {
+public:
+  WindowResizeEvent(uint32 timestamp, int32 windowId, int32 width, int32 height)
+    : WindowEvent(EventType::WindowResize, timestamp, windowId)
+    , width_(width)
+    , height_(height) {}
+  
+  int32 getWidth() const { return width_; }
+  int32 getHeight() const { return height_; }
+  
+private:
+  int32 width_;
+  int32 height_;
+};
+
+class WindowFocusEvent : public WindowEvent {
+public:
+  WindowFocusEvent(uint32 timestamp, int32 windowId, bool focused)
+    : WindowEvent(EventType::WindowFocus, timestamp, windowId)
+    , focused_(focused) {}
+  
+  bool isFocused() const { return focused_; }
+  
+private:
+  bool focused_;
+};
+
+class WindowMinimizeEvent : public WindowEvent {
+public:
+  WindowMinimizeEvent(uint32 timestamp, int32 windowId)
+    : WindowEvent(EventType::WindowMinimize, timestamp, windowId) {}
+};
+
+class WindowMaximizeEvent : public WindowEvent {
+public:
+  WindowMaximizeEvent(uint32 timestamp, int32 windowId)
+    : WindowEvent(EventType::WindowMaximize, timestamp, windowId) {}
+};
+
+class WindowRestoreEvent : public WindowEvent {
+public:
+  WindowRestoreEvent(uint32 timestamp, int32 windowId)
+    : WindowEvent(EventType::WindowRestore, timestamp, windowId) {}
+};
+
+}

Frostbite2D/include/frostbite2D/scene/scene.h

@@ -1,6 +1,8 @@
 #pragma once
 
 #include <frostbite2D/2d/actor.h>
+#include <frostbite2D/event/event.h>
+#include <vector>
 
 namespace frostbite2D {
 
@@ -15,7 +17,15 @@ public:
   void Update(float deltaTime) override;
   void Render() override;
 
+  bool OnEvent(const Event& event) override;
+  
+  static Scene* GetCurrent();
+
 private:
+  bool dispatchToChildren(const Event& event);
+  
+  static Scene* current_;
+
   friend class SceneManager;
 };
 

Frostbite2D/src/frostbite2D/2d/actor.cpp

@@ -1,4 +1,9 @@
 #include <frostbite2D/2d/actor.h>
+#include <frostbite2D/event/key_event.h>
+#include <frostbite2D/event/mouse_event.h>
+#include <frostbite2D/event/touch_event.h>
+#include <frostbite2D/event/joystick_event.h>
+#include <frostbite2D/event/window_event.h>
 #include <SDL2/SDL.h>
 
 namespace frostbite2D {
@@ -210,5 +215,170 @@ void Actor::RenderChildren() {
   }
 }
 
+uint32 Actor::AddEventListener(EventType type, EventCallback callback) {
+  EventListener listener;
+  listener.id = nextListenerId_++;
+  listener.type = type;
+  listener.callback = std::move(callback);
+  eventListeners_.push_back(listener);
+  return listener.id;
+}
+
+bool Actor::RemoveEventListener(uint32 listenerId) {
+  for (auto it = eventListeners_.begin(); it != eventListeners_.end(); ++it) {
+    if (it->id == listenerId) {
+      eventListeners_.erase(it);
+      return true;
+    }
+  }
+  return false;
+}
+
+void Actor::ClearEventListeners() {
+  eventListeners_.clear();
+}
+
+bool Actor::OnEvent(const Event& event) {
+  if (!eventReceiveEnabled_) {
+    return false;
+  }
+
+  for (const auto& listener : eventListeners_) {
+    if (listener.type == event.getType()) {
+      if (listener.callback(event)) {
+        return true;
+      }
+    }
+  }
+
+  switch (event.getType()) {
+    case EventType::KeyDown:
+      return OnKeyDown(static_cast<const KeyEvent&>(event));
+    case EventType::KeyUp:
+      return OnKeyUp(static_cast<const KeyEvent&>(event));
+    case EventType::MouseButtonDown:
+      return OnMouseDown(static_cast<const MouseEvent&>(event));
+    case EventType::MouseButtonUp:
+      return OnMouseUp(static_cast<const MouseEvent&>(event));
+    case EventType::MouseMove:
+      return OnMouseMove(static_cast<const MouseEvent&>(event));
+    case EventType::MouseWheel:
+      return OnMouseWheel(static_cast<const MouseEvent&>(event));
+    case EventType::TouchDown:
+      return OnTouchDown(static_cast<const TouchEvent&>(event));
+    case EventType::TouchUp:
+      return OnTouchUp(static_cast<const TouchEvent&>(event));
+    case EventType::TouchMove:
+      return OnTouchMove(static_cast<const TouchEvent&>(event));
+    case EventType::JoystickAxis:
+      return OnJoystickAxis(static_cast<const JoystickEvent&>(event));
+    case EventType::JoystickButtonDown:
+      return OnJoystickButtonDown(static_cast<const JoystickEvent&>(event));
+    case EventType::JoystickButtonUp:
+      return OnJoystickButtonUp(static_cast<const JoystickEvent&>(event));
+    case EventType::WindowResize:
+      return OnWindowResize(static_cast<const WindowEvent&>(event));
+    default:
+      return false;
+  }
+}
+
+bool Actor::OnKeyDown(const KeyEvent& event) {
+  (void)event;
+  return false;
+}
+
+bool Actor::OnKeyUp(const KeyEvent& event) {
+  (void)event;
+  return false;
+}
+
+bool Actor::OnMouseDown(const MouseEvent& event) {
+  (void)event;
+  return false;
+}
+
+bool Actor::OnMouseUp(const MouseEvent& event) {
+  (void)event;
+  return false;
+}
+
+bool Actor::OnMouseMove(const MouseEvent& event) {
+  (void)event;
+  return false;
+}
+
+bool Actor::OnMouseWheel(const MouseEvent& event) {
+  (void)event;
+  return false;
+}
+
+bool Actor::OnTouchDown(const TouchEvent& event) {
+  (void)event;
+  return false;
+}
+
+bool Actor::OnTouchUp(const TouchEvent& event) {
+  (void)event;
+  return false;
+}
+
+bool Actor::OnTouchMove(const TouchEvent& event) {
+  (void)event;
+  return false;
+}
+
+bool Actor::OnJoystickAxis(const JoystickEvent& event) {
+  (void)event;
+  return false;
+}
+
+bool Actor::OnJoystickButtonDown(const JoystickEvent& event) {
+  (void)event;
+  return false;
+}
+
+bool Actor::OnJoystickButtonUp(const JoystickEvent& event) {
+  (void)event;
+  return false;
+}
+
+bool Actor::OnWindowResize(const WindowEvent& event) {
+  (void)event;
+  return false;
+}
+
+bool Actor::DispatchEvent(const Event& event) {
+  if (event.isPropagationStopped()) {
+    return false;
+  }
+
+  if (OnEvent(event)) {
+    return true;
+  }
+
+  for (auto it = children_.begin(); it != children_.end(); ++it) {
+    if (*it) {
+      if ((*it)->DispatchEvent(event)) {
+        return true;
+      }
+    }
+  }
+
+  return false;
+}
+
+bool Actor::BubbleEvent(const Event& event) {
+  if (!parent_) {
+    return false;
+  }
+
+  if (parent_->OnEvent(event)) {
+    return true;
+  }
+
+  return parent_->BubbleEvent(event);
+}
+
 }
 

Frostbite2D/src/frostbite2D/core/application.cpp

@@ -1,8 +1,16 @@
 #include <SDL2/SDL.h>
+#include <SDL2/SDL_events.h>
 #include <algorithm>
 #include <cstdio>
+#include <memory>
 #include <frostbite2D/audio/audio_system.h>
 #include <frostbite2D/core/application.h>
+#include <frostbite2D/event/event.h>
+#include <frostbite2D/event/key_event.h>
+#include <frostbite2D/event/mouse_event.h>
+#include <frostbite2D/event/touch_event.h>
+#include <frostbite2D/event/joystick_event.h>
+#include <frostbite2D/event/window_event.h>
 #include <frostbite2D/graphics/camera.h>
 #include <frostbite2D/graphics/renderer.h>
 #include <frostbite2D/platform/switch.h>
@@ -10,6 +18,7 @@
 #include <frostbite2D/resource/npk_archive.h>
 #include <frostbite2D/resource/pvf_archive.h>
 #include <frostbite2D/resource/sound_pack_archive.h>
+#include <frostbite2D/scene/scene.h>
 #include <frostbite2D/scene/scene_manager.h>
 #include <frostbite2D/types/type_math.h>
 
@@ -116,11 +125,18 @@ bool Application::initCoreModules() {
   asset.setWorkingDirectory("/switch/Frostbite2D/" + config_.appName);
   SDL_Log("Asset working directory: %s", asset.getWorkingDirectory().c_str());
 #endif
-  if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_EVENTS) != 0) {
+  if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_EVENTS | SDL_INIT_GAMECONTROLLER) != 0) {
     SDL_Log("Failed to initialize SDL: %s", SDL_GetError());
     return false;
   }
 
+  // 打开第一个手柄（如果存在）
+  if (SDL_GameController *controller = SDL_GameControllerOpen(0)) {
+    SDL_Log("GameController opened: %s", SDL_GameControllerName(controller));
+  } else {
+    SDL_Log("No GameController found");
+  }
+
   // 使用SDL2创建窗口
   this->window_ = new Window();
 
@@ -201,29 +217,19 @@ void Application::resume() {
 }
 
 void Application::mainLoop() {
-  // 记录程序启动时的初始时间（毫秒）
-  Uint32 start_time = SDL_GetTicks();
-  // 定时退出时间：1秒 = 1000毫秒
-  const Uint32 EXIT_DELAY = 1000;
-
   while (!shouldQuit_) {
-    SDL_Event event;
+    SDL_Event sdlEvent;
-    while (SDL_PollEvent(&event)) {
+    while (SDL_PollEvent(&sdlEvent)) {
-      if (event.type == SDL_QUIT) {
+      if (sdlEvent.type == SDL_QUIT) {
         shouldQuit_ = true;
         break;
       }
-    }
 
-    // ===================== 新增：1秒定时退出 =====================
+      auto event = convertSDLEvent(sdlEvent);
-    Uint32 current_time = SDL_GetTicks();
+      if (event) {
-    // 判断是否达到1秒
+        dispatchEvent(*event);
-    if (current_time - start_time >= EXIT_DELAY) {
+      }
-      shouldQuit_ = true;
-      // 跳出事件循环
-      break;
     }
-    // ============================================================
 
     if (!paused_) {
       update();
@@ -233,6 +239,129 @@ void Application::mainLoop() {
   }
 }
 
+std::unique_ptr<Event> Application::convertSDLEvent(const SDL_Event& sdlEvent) {
+  switch (sdlEvent.type) {
+    case SDL_WINDOWEVENT: {
+      switch (sdlEvent.window.event) {
+        case SDL_WINDOWEVENT_CLOSE:
+          return std::make_unique<WindowCloseEvent>(sdlEvent.window.timestamp, sdlEvent.window.windowID);
+        case SDL_WINDOWEVENT_RESIZED:
+        case SDL_WINDOWEVENT_SIZE_CHANGED:
+          return std::make_unique<WindowResizeEvent>(sdlEvent.window.timestamp, sdlEvent.window.windowID, 
+                                                     sdlEvent.window.data1, sdlEvent.window.data2);
+        case SDL_WINDOWEVENT_FOCUS_GAINED:
+        case SDL_WINDOWEVENT_FOCUS_LOST:
+          return std::make_unique<WindowFocusEvent>(sdlEvent.window.timestamp, sdlEvent.window.windowID,
+                                                     sdlEvent.window.event == SDL_WINDOWEVENT_FOCUS_GAINED);
+        case SDL_WINDOWEVENT_MINIMIZED:
+          return std::make_unique<WindowMinimizeEvent>(sdlEvent.window.timestamp, sdlEvent.window.windowID);
+        case SDL_WINDOWEVENT_MAXIMIZED:
+          return std::make_unique<WindowMaximizeEvent>(sdlEvent.window.timestamp, sdlEvent.window.windowID);
+        case SDL_WINDOWEVENT_RESTORED:
+          return std::make_unique<WindowRestoreEvent>(sdlEvent.window.timestamp, sdlEvent.window.windowID);
+      }
+      break;
+    }
+
+    case SDL_KEYDOWN: {
+      return std::make_unique<KeyEvent>(sdlEvent.key.timestamp, 
+                                        static_cast<KeyCode>(sdlEvent.key.keysym.sym),
+                                        static_cast<KeyMod>(sdlEvent.key.keysym.mod),
+                                        sdlEvent.key.repeat != 0);
+    }
+
+    case SDL_KEYUP: {
+      return std::make_unique<KeyUpEvent>(sdlEvent.key.timestamp,
+                                          static_cast<KeyCode>(sdlEvent.key.keysym.sym),
+                                          static_cast<KeyMod>(sdlEvent.key.keysym.mod));
+    }
+
+    case SDL_TEXTINPUT: {
+      return std::make_unique<KeyTextEvent>(sdlEvent.text.timestamp, sdlEvent.text.text);
+    }
+
+    case SDL_MOUSEMOTION: {
+      return std::make_unique<MouseMoveEvent>(sdlEvent.motion.timestamp,
+                                               Vec2(static_cast<float>(sdlEvent.motion.x), static_cast<float>(sdlEvent.motion.y)),
+                                               Vec2(static_cast<float>(sdlEvent.motion.xrel), static_cast<float>(sdlEvent.motion.yrel)));
+    }
+
+    case SDL_MOUSEBUTTONDOWN: {
+      return std::make_unique<MouseButtonEvent>(sdlEvent.button.timestamp,
+                                                 static_cast<MouseButton>(sdlEvent.button.button),
+                                                 Vec2(static_cast<float>(sdlEvent.button.x), static_cast<float>(sdlEvent.button.y)),
+                                                 true);
+    }
+
+    case SDL_MOUSEBUTTONUP: {
+      return std::make_unique<MouseButtonEvent>(sdlEvent.button.timestamp,
+                                                 static_cast<MouseButton>(sdlEvent.button.button),
+                                                 Vec2(static_cast<float>(sdlEvent.button.x), static_cast<float>(sdlEvent.button.y)),
+                                                 false);
+    }
+
+    case SDL_MOUSEWHEEL: {
+      return std::make_unique<MouseWheelEvent>(sdlEvent.wheel.timestamp,
+                                                  Vec2(static_cast<float>(sdlEvent.wheel.mouseX), static_cast<float>(sdlEvent.wheel.mouseY)),
+                                                  Vec2(static_cast<float>(sdlEvent.wheel.x), static_cast<float>(sdlEvent.wheel.y)),
+                                                  sdlEvent.wheel.direction == SDL_MOUSEWHEEL_FLIPPED);
+    }
+
+    case SDL_FINGERDOWN: {
+      return std::make_unique<TouchDownEvent>(sdlEvent.tfinger.timestamp,
+                                               sdlEvent.tfinger.touchId,
+                                               sdlEvent.tfinger.fingerId,
+                                               Vec2(static_cast<float>(sdlEvent.tfinger.x), static_cast<float>(sdlEvent.tfinger.y)),
+                                               sdlEvent.tfinger.pressure);
+    }
+
+    case SDL_FINGERUP: {
+      return std::make_unique<TouchUpEvent>(sdlEvent.tfinger.timestamp,
+                                             sdlEvent.tfinger.touchId,
+                                             sdlEvent.tfinger.fingerId,
+                                             Vec2(static_cast<float>(sdlEvent.tfinger.x), static_cast<float>(sdlEvent.tfinger.y)),
+                                             sdlEvent.tfinger.pressure);
+    }
+
+    case SDL_FINGERMOTION: {
+      return std::make_unique<TouchMoveEvent>(sdlEvent.tfinger.timestamp,
+                                               sdlEvent.tfinger.touchId,
+                                               sdlEvent.tfinger.fingerId,
+                                               Vec2(static_cast<float>(sdlEvent.tfinger.x), static_cast<float>(sdlEvent.tfinger.y)),
+                                               Vec2(static_cast<float>(sdlEvent.tfinger.dx), static_cast<float>(sdlEvent.tfinger.dy)),
+                                               sdlEvent.tfinger.pressure);
+    }
+
+    case SDL_CONTROLLERBUTTONDOWN: {
+      return std::make_unique<JoystickButtonDownEvent>(sdlEvent.cbutton.timestamp,
+                                                         sdlEvent.cbutton.which,
+                                                         sdlEvent.cbutton.button);
+    }
+
+    case SDL_CONTROLLERBUTTONUP: {
+      return std::make_unique<JoystickButtonUpEvent>(sdlEvent.cbutton.timestamp,
+                                                       sdlEvent.cbutton.which,
+                                                       sdlEvent.cbutton.button);
+    }
+
+    case SDL_CONTROLLERAXISMOTION: {
+      return std::make_unique<JoystickAxisEvent>(sdlEvent.caxis.timestamp,
+                                                  sdlEvent.caxis.which,
+                                                  sdlEvent.caxis.axis,
+                                                  sdlEvent.caxis.value);
+    }
+  }
+
+  return nullptr;
+}
+
+void Application::dispatchEvent(const Event& event) {
+  Scene* currentScene = SceneManager::get().GetCurrentScene();
+  if (currentScene) {
+    currentScene->OnEvent(event);
+  }
+}
+
 void Application::update() {
   double currentTime = SDL_GetPerformanceCounter() / static_cast<double>(SDL_GetPerformanceFrequency());
   deltaTime_ = static_cast<float>(currentTime - lastFrameTime_);

Frostbite2D/src/frostbite2D/scene/scene.cpp

@@ -1,9 +1,13 @@
 #include <frostbite2D/scene/scene.h>
+#include <algorithm>
 #include <SDL2/SDL.h>
 
 namespace frostbite2D {
 
+Scene* Scene::current_ = nullptr;
+
 Scene::Scene() {
+  current_ = this;
 }
 
 Scene::~Scene() {
@@ -25,5 +29,54 @@ void Scene::Render() {
   RenderChildren();
 }
 
+Scene* Scene::GetCurrent() {
+  return current_;
+}
+
+bool Scene::OnEvent(const Event& event) {
+  if (Actor::OnEvent(event)) {
+    return true;
+  }
+
+  if (dispatchToChildren(event)) {
+    return true;
+  }
+
+  return false;
+}
+
+bool Scene::dispatchToChildren(const Event& event) {
+  if (event.isPropagationStopped()) {
+    return false;
+  }
+
+  std::vector<Actor*> sortedChildren;
+  for (auto it = children_.begin(); it != children_.end(); ++it) {
+    Actor* child = it->Get();
+    if (child && child->IsEventReceiveEnabled()) {
+      sortedChildren.push_back(child);
+    }
+  }
+
+  std::sort(sortedChildren.begin(), sortedChildren.end(),
+    [](Actor* a, Actor* b) {
+      return a->GetEventPriority() < b->GetEventPriority();
+    });
+
+  for (Actor* child : sortedChildren) {
+    if (child->IsEventInterceptEnabled()) {
+      if (child->OnEvent(event)) {
+        return true;
+      }
+    } else {
+      if (child->DispatchEvent(event)) {
+        return true;
+      }
+    }
+  }
+
+  return false;
+}
+
 }
 

Game/src/main.cpp

@@ -3,10 +3,12 @@
 #include <SDL2/SDL.h>
 #include <frostbite2D/core/application.h>
 #include <frostbite2D/core/window.h>
+#include <frostbite2D/event/event.h>
 #include <frostbite2D/graphics/renderer.h>
 #include <frostbite2D/graphics/texture.h>
 #include <glad/glad.h>
 
+
 #include <frostbite2D/2d/sprite.h>
 #include <frostbite2D/scene/scene.h>
 #include <frostbite2D/scene/scene_manager.h>
@@ -41,8 +43,47 @@ int main(int argc, char **argv) {
   
   // SDL_Log("Starting main loop...");
 
-  // auto menuScene = MakePtr<Scene>();
+  auto menuScene = MakePtr<Scene>();
-  // SceneManager::get().PushScene(menuScene);
+  SceneManager::get().PushScene(menuScene);
+
+  auto TestActor = MakePtr<Actor>();
+
+  menuScene->AddChild(TestActor);
+
+  TestActor->EnableEventReceive();
+
+  // 监听手柄按键按下
+  TestActor->AddEventListener(
+      EventType::JoystickButtonDown, [](const Event &event) {
+        const auto &ke = static_cast<const JoystickButtonEvent &>(event);
+        SDL_Log("Joystick Button Down: device=%d, button=%d", ke.getDeviceId(),
+                ke.getButton());
+
+        if(ke.getButton() == 6) {
+          Application::get().quit();
+        }
+        return true;
+      });
+
+  // 监听手柄按键抬起
+  TestActor->AddEventListener(
+      EventType::JoystickButtonUp, [](const Event &event) {
+        const auto &ke = static_cast<const JoystickButtonEvent &>(event);
+        SDL_Log("Joystick Button Up: device=%d, button=%d", ke.getDeviceId(),
+                ke.getButton());
+
+        return true;
+      });
+
+  // 监听手柄轴
+  TestActor->AddEventListener(EventType::JoystickAxis, [](const Event &event) {
+    const auto &ae = static_cast<const JoystickAxisEvent &>(event);
+    if (std::abs(ae.getNormalizedValue()) > 0.1f) {
+      SDL_Log("Joystick Axis: device=%d, axis=%d, value=%.2f", ae.getDeviceId(),
+              ae.getAxis(), ae.getNormalizedValue());
+    }
+    return true;
+  });
 
   // // 尝试加载精灵
   // auto sprite = Sprite::createFromFile("assets/player.png");