3 files changed, 33 insertions, 19 deletions

diff --git a/src/crepe/api/Button.cpp b/src/crepe/api/Button.cpp
index c0ff5a8..a27ff53 100644
--- a/src/crepe/api/Button.cpp
+++ b/src/crepe/api/Button.cpp
@@ -2,12 +2,10 @@
 
 namespace crepe {
 
-Button::Button(game_object_id_t id, int width, int height, bool is_toggle,
-			   std::function<void()> on_click)
+Button::Button(game_object_id_t id, int width, int height, std::function<void()> on_click, bool is_toggle
+			   )
 	: UiObject(id, width, height),
 	  is_toggle(is_toggle),
-	  is_pressed(false),
-	  hover(false),
 	  on_click(on_click) {}
 
 } // namespace crepe
diff --git a/src/crepe/api/Button.h b/src/crepe/api/Button.h
index 2fa94ae..1410529 100644
--- a/src/crepe/api/Button.h
+++ b/src/crepe/api/Button.h
@@ -24,8 +24,7 @@ public:
      * \param is_toggle Optional flag to indicate if the button is a toggle button. Defaults to false.
      * \param on_click callback function that will be invoked when the button is clicked.
      */
-	Button(game_object_id_t id, int width, int height, bool is_toggle = false,
-		   std::function<void()> on_click = nullptr);
+	Button(game_object_id_t id, int width, int height, std::function<void()> on_click, bool is_toggle = false);
 
 	/**
      * \brief Indicates if the button is a toggle button (can be pressed and released).
@@ -33,29 +32,46 @@ public:
      * A toggle button allows for a pressed/released state, whereas a regular button
      * typically only has an on-click state.
      */
-	bool is_toggle;
+	bool is_toggle = false;
 
 	/**
-     * \brief Indicates whether the button is currently pressed.
+     * \brief The callback function to be executed when the button is clicked.
      * 
-     * This state is true when the button is actively pressed and false otherwise.
+     * This function is invoked whenever the button is clicked. It can be set to any
+     * function that matches the signature `void()`.
      */
-	bool is_pressed;
+	std::function<void()> on_click;
+	
+	/**
+	 * \brief Callback function to be executed when the mouse enters the button's boundaries.
+	 *
+	 * This function is triggered when the mouse cursor moves over the button, allowing
+	 * custom actions like visual effects, highlighting, or sound effects.
+	 */
+	std::function<void()> on_enter;
 
 	/**
-     * \brief Indicates whether the mouse is currently hovering over the button.
+	 * \brief Callback function to be executed when the mouse exits the button's boundaries.
+	 *
+	 * This function is triggered when the mouse cursor moves out of the button's area,
+	 * allowing custom actions like resetting visual effects or playing exit-related effects.
+	 */
+	std::function<void()> on_exit;
+	private:
+	friend class InputSystem;
+	/**
+     * \brief Indicates whether the button is currently pressed.
      * 
-     * This is set to true when the mouse is over the button and false otherwise.
+     * This state is true when the button is actively pressed and false otherwise.
      */
-	bool hover;
+	bool is_pressed = false;
 
 	/**
-     * \brief The callback function to be executed when the button is clicked.
+     * \brief Indicates whether the mouse is currently hovering over the button.
      * 
-     * This function is invoked whenever the button is clicked. It can be set to any
-     * function that matches the signature `void()`. Defaults to nullptr.
+     * This is set to true when the mouse is over the button and false otherwise.
      */
-	std::function<void()> on_click;
+	bool hover = false;
 
 public:
 	/**
diff --git a/src/crepe/api/Event.h b/src/crepe/api/Event.h
index a7d5511..91a30b5 100644
--- a/src/crepe/api/Event.h
+++ b/src/crepe/api/Event.h
@@ -89,10 +89,10 @@ public:
 	//! Y-coordinate of the mouse position at the time of the event.
 	int mouse_y = 0;
 
-	// Relative movement in x
+	// Movement since last event in x
 	int rel_x = 0;
 
-	// Relative movement in y
+	// Movement since last event in y
 	int rel_y = 0;
 };