device_context.h

// Created by camilo on 2024-09-13 15:55 <3ThomasBorregaardSorensen
#pragma once
 
 
#undef USUAL_OPERATING_SYSTEM_SUPPRESSIONS
#include "acme/_operating_system.h"
#include "acme/windowing/window.h"
#include "acme/operating_system/window.h"
 
 
namespace operating_system
{
 
 
   union windows_device_context_t
   {
 
 
      HDC m_hdcWindowsWindow;
 
 
      void Null() { m_hdcWindowsWindow = nullptr; }
 
   };
 
 
   class windows_device_context : public ::operating_system::a_device_context<e_operating_system_windows, windows_device_context_t>
   {
   public:
 
 
      using BASE_TYPE = ::operating_system::a_device_context<e_operating_system_windows, windows_device_context_t>;
 
 
      using BASE_TYPE::BASE_TYPE;
 
 
      windows_device_context(HWND hwnd)
      { 
 
         this->operator=(hwnd);
      
      }
 
 
      HWND as_HWND() const 
      { 
         
         if(this->m_eoperatingsystem == e_operating_system_windows)
         {
 
            if (!this->m_device_context.m_hwndWindowsWindow)
            {
 
               throw ::exception(error_wrong_state);
 
            }
 
            return this->m_device_context.m_hwndWindowsWindow;
 
         }
         else if (this->m_device_context.m_hwndWindowsWindow)
         {
 
            throw ::exception(error_wrong_state);
 
         }
         else
         {
 
            return nullptr;
 
         }
      
      }
 
 
      using BASE_TYPE::operator=;
 
      windows_device_context & operator=(HWND hwnd)
      {
 
         if (::is_null(hwnd) || hwnd == INVALID_HANDLE_VALUE)
         {
 
            this->Null();
 
         }
         else
         {
 
            this->m_eoperatingsystem = e_operating_system_windows;
            this->m_device_context.m_hwndWindowsWindow = hwnd;
 
         }
 
         return *this;
 
      }
 
   };
 
 
} // namespace operating_system
 
 
// namespace windows
// {
//
//
//    class CLASS_DECL_ACME window :
//       virtual public ::acme::windowing::window
//    {
//    public:
//
//
//       ::operating_system::windows_window m_windowswindow;
//       ::f64 m_dVelocity;
//       class ::time m_timeLastSizeMove;
//       ::i32_point m_pointSizeMoveStart;
//       bool m_bMovingNow;
//       bool m_bDefaultSystemMenu;
//       bool m_bSizeMoveMode;
//       //HWND m_hwnd;
//       HMENU m_hmenuSystem;
//       ::i32 m_iDebugAtom = 0;
//
//       window();
//       ~window() override;
//
//       virtual bool on_device_context_procedure(LRESULT & lresult, UINT message, WPARAM wparam, LPARAM lparam);
//       virtual bool _on_default_system_menu_init_menu(LRESULT & lresult,  WPARAM wparam);
//       virtual bool _on_default_system_menu_command(LRESULT & lresult, WPARAM wparam, LPARAM lparam);
//       virtual void _defer_show_system_menu(::user::mouse * ppmouse);
//
//
//       virtual HWND _HWND() const;
//
//
//    };
//
//
//    CLASS_DECL_ACME LRESULT CALLBACK device_context_procedure(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
//    CLASS_DECL_ACME HINSTANCE get_device_context_procedure_hinstance();
//
//
// } // namespace windows
//
//
//