text: /*
   *  Copyright 2019-2022 Diligent Graphics LLC
   *  Copyright 2015-2019 Egor Yusov
   *  
   *  Licensed under the Apache License, Version 2.0 (the "License");
   *  you may not use this file except in compliance with the License.
   *  You may obtain a copy of the License at
   *  
   *      http://www.apache.org/licenses/LICENSE-2.0
   *  
   *  Unless required by applicable law or agreed to in writing, software
   *  distributed under the License is distributed on an "AS IS" BASIS,
   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *  See the License for the specific language governing permissions and
   *  limitations under the License.
   *
   *  In no event and under no legal theory, whether in tort (including negligence), 
   *  contract, or otherwise, unless required by applicable law (such as deliberate 
   *  and grossly negligent acts) or agreed to in writing, shall any Contributor be
   *  liable for any damages, including any direct, indirect, special, incidental, 
   *  or consequential damages of any character arising as a result of this License or 
   *  out of the use or inability to use the software (including but not limited to damages 
   *  for loss of goodwill, work stoppage, computer failure or malfunction, or any and 
   *  all other commercial damages or losses), even if such Contributor has been advised 
   *  of the possibility of such damages.
   */
  
  #pragma once
  
  #include "WinHPreface.h"
  #include <Windows.h>
  #include "WinHPostface.h"
  
  #include "AppBase.hpp"
  
  namespace Diligent
  {
  
  /// Base class for Win32 applications.
  class Win32AppBase : public AppBase
  {
  public:
      /// Called by the framework after the window has been created.
  
      /// \param [in] hWnd         - Window handle.
      /// \param [in] WindowWidth  - Window width.
      /// \param [in] WindowHeight - Window height.
      ///
      /// \remarks An application may override AppBase::GetDesiredInitialWindowSize
      ///          method to specify desired initial window size.
      virtual void OnWindowCreated(HWND hWnd,
                                   LONG WindowWidth,
                                   LONG WindowHeight) = 0;
  
      /// Handles Win32 message
  
      /// An application may override this method to implement its
      /// windows message processing routine.
      /// \param [in] hWnd     - Window handle.
      /// \param [in] message  - Window message.
      /// \param [in] wParam   - Window message wparam.
      /// \param [in] lParam   - Window message lparam.
      virtual LRESULT HandleWin32Message(HWND   hWnd,
                                         UINT   message,
                                         WPARAM wParam,
                                         LPARAM lParam)
      {
          return 0;
      }
  };
  
  } // namespace Diligent
  