text: #define Declare(Name, Base) \
    p##Name(m##Name& reference) : p##Base(reference) {} \
    auto self() const -> m##Name& { return (m##Name&)reference; } \
    auto state() const -> m##Name::State& { return self().state; } \
    auto construct() -> void override; \
    auto destruct() -> void override; \
  
  #include "font.hpp"
  #include "desktop.hpp"
  #include "monitor.hpp"
  #include "keyboard.hpp"
  #include "mouse.hpp"
  #include "browser-window.hpp"
  #include "message-window.hpp"
  
  #include "object.hpp"
  #include "group.hpp"
  
  #include "timer.hpp"
  #include "window.hpp"
  #include "status-bar.hpp"
  #include "menu-bar.hpp"
  #include "popup-menu.hpp"
  
  #include "action/action.hpp"
  #include "action/menu.hpp"
  #include "action/menu-separator.hpp"
  #include "action/menu-item.hpp"
  #include "action/menu-check-item.hpp"
  #include "action/menu-radio-item.hpp"
  
  #include "sizable.hpp"
  
  #include "widget/widget.hpp"
  #include "widget/button.hpp"
  #include "widget/canvas.hpp"
  #include "widget/check-button.hpp"
  #include "widget/check-label.hpp"
  #include "widget/combo-button.hpp"
  #include "widget/combo-button-item.hpp"
  #include "widget/console.hpp"
  #include "widget/frame.hpp"
  #include "widget/hex-edit.hpp"
  #include "widget/horizontal-scroll-bar.hpp"
  #include "widget/horizontal-slider.hpp"
  #include "widget/label.hpp"
  #include "widget/line-edit.hpp"
  #include "widget/progress-bar.hpp"
  #include "widget/radio-button.hpp"
  #include "widget/radio-label.hpp"
  #include "widget/tab-frame.hpp"
  #include "widget/tab-frame-item.hpp"
  #include "widget/table-view.hpp"
  #include "widget/table-view-column.hpp"
  #include "widget/table-view-item.hpp"
  #include "widget/table-view-cell.hpp"
  #include "widget/text-edit.hpp"
  #include "widget/vertical-scroll-bar.hpp"
  #include "widget/vertical-slider.hpp"
  #include "widget/viewport.hpp"
  
  #undef Declare
  
  #include "application.hpp"
  