Add virtual touch buttons for Monopoly game and centralize configuration in ModalButtonHelper

lib/input_manager.h

@@ -48,6 +48,32 @@ public:
      * @return InputEvent (valid=false if no valid input)
      */
     InputEvent process_button_input();
+
+    /**
+     * @brief Get virtual button regions for drawing
+     * @param a_rect Pointer to rectangle for Button A [x, y, w, h]
+     * @param b_rect Pointer to rectangle for Button B [x, y, w, h]
+     */
+    void get_virtual_button_regions(int* a_rect, int* b_rect) const;
+
+    /**
+     * @brief Set virtual button regions
+     */
+    void set_virtual_button_regions(int ax, int ay, int aw, int ah, int bx, int by, int bw, int bh);
+
+    /**
+     * @brief Clear virtual button regions (disables detection)
+     */
+    void clear_virtual_button_regions();
+
+    /**
+     * @brief Check if a touch event hits a virtual button
+     * @param x Touch X coordinate
+     * @param y Touch Y coordinate
+     * @param out_type Output parameter for the button type if hit
+     * @return true if a virtual button was hit
+     */
+    bool check_virtual_buttons(int16_t x, int16_t y, InputType& out_type) const;
     
     /**
      * @brief Get human-readable gesture name
@@ -71,6 +97,11 @@ public:
 private:
     LowLevelTouch* touch;
     const GameConfig* config;
+    
+    // Virtual button regions
+    int v_button_a[4] = {0, 0, 0, 0}; // [x, y, w, h]
+    int v_button_b[4] = {0, 0, 0, 0};
+    bool v_buttons_active = false;
 };
 
 #endif // INPUT_MANAGER_H