Updated graphics.h and graphics.cpp to handle common user input

1 files changed, 72 insertions, 0 deletions

diff --git a/lib/graphics.h b/lib/graphics.h
index cc0bd63..411f1aa 100644
--- a/lib/graphics.h
+++ b/lib/graphics.h
@@ -53,4 +53,76 @@ void drawPixel(WindowHandle* window, int x, int y, const Color& color);
 void setDrawColor(WindowHandle* window, const Color& color);
 void delay(uint32_t milliseconds);
 
+// ============================================================================
+// INPUT HANDLING
+// ============================================================================
+
+// Key codes (cross-platform)
+enum KeyCode {
+    KEY_UNKNOWN = 0,
+    
+    // Arrow keys
+    KEY_UP,
+    KEY_DOWN,
+    KEY_LEFT,
+    KEY_RIGHT,
+    
+    // Letter keys
+    KEY_A, KEY_B, KEY_C, KEY_D, KEY_E, KEY_F, KEY_G, KEY_H,
+    KEY_I, KEY_J, KEY_K, KEY_L, KEY_M, KEY_N, KEY_O, KEY_P,
+    KEY_Q, KEY_R, KEY_S, KEY_T, KEY_U, KEY_V, KEY_W, KEY_X,
+    KEY_Y, KEY_Z,
+    
+    // Number keys
+    KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,
+    KEY_5, KEY_6, KEY_7, KEY_8, KEY_9,
+    
+    // Function keys
+    KEY_F1, KEY_F2, KEY_F3, KEY_F4, KEY_F5, KEY_F6,
+    KEY_F7, KEY_F8, KEY_F9, KEY_F10, KEY_F11, KEY_F12,
+    
+    // Special keys
+    KEY_SPACE,
+    KEY_ENTER,
+    KEY_ESCAPE,
+    KEY_BACKSPACE,
+    KEY_TAB,
+    KEY_SHIFT,
+    KEY_CONTROL,
+    KEY_ALT,
+    
+    // Other
+    KEY_PLUS,
+    KEY_MINUS,
+    
+    KEY_COUNT // Total number of keys
+};
+
+// Mouse buttons
+enum MouseButton {
+    MOUSE_LEFT = 0,
+    MOUSE_RIGHT,
+    MOUSE_MIDDLE,
+    MOUSE_BUTTON_COUNT
+};
+
+// Keyboard input functions
+bool keyDown(WindowHandle* window, KeyCode key);
+bool keyPressed(WindowHandle* window, KeyCode key);  // True only on the frame the key was pressed
+bool keyReleased(WindowHandle* window, KeyCode key); // True only on the frame the key was released
+
+// Mouse input functions
+bool mouseDown(WindowHandle* window, MouseButton button);
+bool mousePressed(WindowHandle* window, MouseButton button);
+bool mouseReleased(WindowHandle* window, MouseButton button);
+
+void getMousePosition(WindowHandle* window, int& x, int& y);
+void getMouseDelta(WindowHandle* window, int& dx, int& dy);
+void setMousePosition(WindowHandle* window, int x, int y);
+void setMouseLocked(WindowHandle* window, bool locked); // Locks mouse to window center (for FPS games)
+bool isMouseLocked(WindowHandle* window);
+
+// Mouse wheel
+int getMouseWheelDelta(WindowHandle* window);
+
 #endif // GRAPHICS_H
\ No newline at end of file