chapter12_atlwindows.cpp

ATL开发指南PDF格式

//
// Chapter12_ATLWindows.cpp
//

#include "stdafx.h"
#include "resource.h"

#include <atlbase.h>
CComModule _Module;
#include <atlwin.h>

class CModelessDialog : public CDialogImpl< CModelessDialog >
{
public:
   enum { IDD = IDD_MODELESS_DIALOG };

   BEGIN_MSG_MAP( CModelessDialog )
      MESSAGE_HANDLER( WM_INITDIALOG, OnInitDialog )
      MESSAGE_HANDLER( WM_CLOSE, OnClose )
   END_MSG_MAP()

   LRESULT OnInitDialog( UINT, WPARAM, LPARAM, BOOL& )
   {
      return 0;
   }

   LRESULT OnClose( UINT, WPARAM, LPARAM, BOOL& )
   {
      DestroyWindow();
      return 0;
   }
};

class CMainWindow : public CWindowImpl< CMainWindow >
{
   BEGIN_MSG_MAP( CMainWindow )
      MESSAGE_HANDLER( WM_CREATE, OnCreate )
      MESSAGE_HANDLER( WM_PAINT, OnPaint )
      MESSAGE_HANDLER( WM_RBUTTONDOWN, OnRButtonDown )
      MESSAGE_HANDLER( WM_LBUTTONDOWN, OnLButtonDown )
      MESSAGE_HANDLER( WM_DESTROY, OnDestroy )
   END_MSG_MAP()

   LRESULT OnLButtonDown( UINT, WPARAM, LPARAM, BOOL& )
   {
      CSimpleDialog<IDD_SIMPLEDIALOG> simpleDialog;
      simpleDialog.DoModal();
      return 0;
   }

   LRESULT OnRButtonDown( UINT, WPARAM, LPARAM, BOOL& )
   {
      CModelessDialog* pDlg = new CModelessDialog;
      pDlg->Create( 0 );
      return 0;
   }

   LRESULT OnCreate( UINT, WPARAM, LPARAM, BOOL& )
   {
      return 0;
   }

   LRESULT OnPaint( UINT, WPARAM, LPARAM, BOOL& )
   {
      PAINTSTRUCT ps;
      HDC hdc = GetDC();
      BeginPaint( &ps );

      RECT rc;
      GetClientRect( &rc );
      
      HBRUSH hbr = CreateSolidBrush( RGB( 0x00, 0xFF, 0xFF ));
      HBRUSH hOldBr = (HBRUSH) SelectObject( hdc, hbr );
      FillRect( hdc, &rc, hbr );

      SelectObject( hdc, hOldBr );
      DeleteObject( hbr );

      EndPaint( &ps );
      return 0;
   }

   LRESULT OnDestroy( UINT, WPARAM, LPARAM, BOOL& )
   {
      PostQuitMessage( 0 );
      return 0;
   }
};

int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR     lpCmdLine,
                     int       nCmdShow)
{
   _Module.Init( 0, hInstance );

   CMainWindow window;
   RECT rectPos = { 0, 0, 300, 300 };
   window.Create( NULL,
                  rectPos,
                  "Main Window",
                  WS_OVERLAPPEDWINDOW | WS_VISIBLE );

   MSG msg;
   while( GetMessage( &msg, 0, 0, 0 ))
   {
      TranslateMessage( &msg );
      DispatchMessage( &msg );
   }

   _Module.Term();
	return 0;
}