domain_up_down.h

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#pragma once
 
#include "up_down_base.h"
#include "application.h"
#include <xtd/iequatable>
#include <xtd/size_object>
 
namespace xtd {
  namespace forms {
    class forms_export_ domain_up_down : public up_down_base {
      struct data;
      
    public:
      class item : public object, public icomparable<item>, public xtd::iequatable<item> {
      public:
        
        item() = default;
        item(const xtd::ustring& value); // Can't be explicit by design.
        item(const xtd::ustring& value, const std::any& tag);
        
        item(const char* value); // Can't be explicit by design.
        item(const item& value) = default;
        item& operator =(const item& value) = default;
        
        
        virtual const xtd::ustring& value() const noexcept;
        
        virtual std::any tag() const noexcept;
        
        
        int32 compare_to(const item& value) const noexcept override;
        bool equals(const item& value) const noexcept override;
        xtd::ustring to_string() const noexcept override;
        
      private:
        xtd::ustring value_;
        std::any tag_;
      };
      
      
      using object_collection = layout::arranged_element_collection<item>;
      
      
      static const size_t npos = size_object::max_value;
      
      
      domain_up_down();
      
      domain_up_down(domain_up_down&& rhs);
      domain_up_down(const domain_up_down&) = default;
      domain_up_down& operator =(const domain_up_down&) = default;
 
      
      object_collection& items() noexcept;
      const object_collection& items() const noexcept;
      const domain_up_down& items(const object_collection& items);
      virtual size_t selected_index() const noexcept;
      virtual domain_up_down& selected_index(size_t selected_index);
      
      const item& selected_item() const noexcept;
      domain_up_down& selected_item(const item& selected_item);
      
      virtual bool wrap() const noexcept;
      virtual domain_up_down& wrap(bool value);
      
      
      
      static domain_up_down create();
      static domain_up_down create(const drawing::point& location);
      static domain_up_down create(const drawing::point& location, const drawing::size& size);
      static domain_up_down create(const drawing::point& location, const drawing::size& size, const xtd::ustring& name);
      static domain_up_down create(const object_collection& items);
      static domain_up_down create(const object_collection& items, const drawing::point& location);
      static domain_up_down create(const object_collection& items, const drawing::point& location, const drawing::size& size);
      static domain_up_down create(const object_collection& items, const drawing::point& location, const drawing::size& size, const xtd::ustring& name);
      static domain_up_down create(const object_collection& items, size_t selected_index);
      static domain_up_down create(const object_collection& items, size_t selected_index, const drawing::point& location);
      static domain_up_down create(const object_collection& items, size_t selected_index, const drawing::point& location, const drawing::size& size);
      static domain_up_down create(const object_collection& items, size_t selected_index, const drawing::point& location, const drawing::size& size, const xtd::ustring& name);
      static domain_up_down create(const control& parent);
      static domain_up_down create(const control& parent, const drawing::point& location);
      static domain_up_down create(const control& parent, const drawing::point& location, const drawing::size& size);
      static domain_up_down create(const control& parent, const drawing::point& location, const drawing::size& size, const xtd::ustring& name);
      static domain_up_down create(const control& parent, const object_collection& items);
      static domain_up_down create(const control& parent, const object_collection& items, const drawing::point& location);
      static domain_up_down create(const control& parent, const object_collection& items, const drawing::point& location, const drawing::size& size);
      static domain_up_down create(const control& parent, const object_collection& items, const drawing::point& location, const drawing::size& size, const xtd::ustring& name);
      static domain_up_down create(const control& parent, const object_collection& items, size_t selected_index);
      static domain_up_down create(const control& parent, const object_collection& items, size_t selected_index, const drawing::point& location);
      static domain_up_down create(const control& parent, const object_collection& items, size_t selected_index, const drawing::point& location, const drawing::size& size);
      static domain_up_down create(const control& parent, const object_collection& items, size_t selected_index, const drawing::point& location, const drawing::size& size, const xtd::ustring& name);
      
      
      event<domain_up_down, event_handler> selected_item_changed;
      
      event<domain_up_down, event_handler> value_changed;
      
    protected:
      
      forms::create_params create_params() const noexcept override;
      drawing::color default_back_color() const noexcept override;
      drawing::color default_fore_color() const noexcept override;
      
      
      std::unique_ptr<xtd::object> clone() const override;
      
      void on_handle_created(const event_args& e) override;      
      void on_lost_focus(const event_args& e) override;
      
      virtual void on_selected_item_changed(const event_args& e);
      
      void on_text_changed(const event_args& e) override;
      void wnd_proc(message& message) override;
      
      void wm_scroll_control(message& message);
      
    private:
      void on_items_item_added(size_t pos, const item& item);
      void on_items_item_removed(size_t pos, const item& item);
      void on_items_item_updated(size_t pos, const item& item);
      
      std::shared_ptr<data> data_;
    };
  }
}