defdlgp.cpp

不错书对C++/C程序员很有用的大家不要错过.

#include <windows.h>  
#include "DefDlgP.h" 


#if defined (WIN32)
	#define IS_WIN32 TRUE
#else
	#define IS_WIN32 FALSE
#endif

#define IS_NT      IS_WIN32 && (BOOL)(GetVersion() < 0x80000000)
#define IS_WIN32S  IS_WIN32 && (BOOL)(!(IS_NT) && (LOBYTE(LOWORD(GetVersion()))<4))
#define IS_WIN95   (BOOL)(!(IS_NT) && !(IS_WIN32S)) && IS_WIN32

HINSTANCE hInst;   // current instance

LPCTSTR lpszAppName  = "MyApp";
LPCTSTR lpszTitle    = "My Application"; 

BOOL bChecked = FALSE;
BOOL bRadio1  = TRUE;

BOOL RegisterWin95( CONST WNDCLASS* lpwc );

int APIENTRY WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,
                      LPTSTR lpCmdLine, int nCmdShow)
{
   MSG      msg;
   HWND     hWnd; 
   WNDCLASS wc;

   // Register the main application window class.
   //............................................
   wc.style         = CS_HREDRAW | CS_VREDRAW;
   wc.lpfnWndProc   = (WNDPROC)WndProc;       
   wc.cbClsExtra    = 0;                      
   wc.cbWndExtra    = 0;                      
   wc.hInstance     = hInstance;              
   wc.hIcon         = LoadIcon( hInstance, lpszAppName ); 
   wc.hCursor       = LoadCursor(NULL, IDC_ARROW);
   wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
   wc.lpszMenuName  = lpszAppName;              
   wc.lpszClassName = lpszAppName;              

   if ( IS_WIN95 )
   {
      if ( !RegisterWin95( &wc ) )
         return( FALSE );
   }
   else if ( !RegisterClass( &wc ) )
      return( FALSE );

   hInst = hInstance; 

   // Create the main application window.
   //....................................
   hWnd = CreateWindow( lpszAppName, 
                        lpszTitle,    
                        WS_OVERLAPPEDWINDOW, 
                        CW_USEDEFAULT, 0, 
                        CW_USEDEFAULT, 0,  
                        NULL,              
                        NULL,              
                        hInstance,         
                        NULL               
                      );

   if ( !hWnd ) 
      return( FALSE );

   ShowWindow( hWnd, nCmdShow ); 
   UpdateWindow( hWnd );         

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

   return( msg.wParam ); 
}


BOOL RegisterWin95( CONST WNDCLASS* lpwc )
{
   WNDCLASSEX wcex;

   wcex.style         = lpwc->style;
   wcex.lpfnWndProc   = lpwc->lpfnWndProc;
   wcex.cbClsExtra    = lpwc->cbClsExtra;
   wcex.cbWndExtra    = lpwc->cbWndExtra;
   wcex.hInstance     = lpwc->hInstance;
   wcex.hIcon         = lpwc->hIcon;
   wcex.hCursor       = lpwc->hCursor;
   wcex.hbrBackground = lpwc->hbrBackground;
   wcex.lpszMenuName  = lpwc->lpszMenuName;
   wcex.lpszClassName = lpwc->lpszClassName;

   // Added elements for Windows 95.
   //...............................
   wcex.cbSize = sizeof(WNDCLASSEX);
   wcex.hIconSm = LoadImage(wcex.hInstance, lpwc->lpszClassName, 
                            IMAGE_ICON, 16, 16,
                            LR_DEFAULTCOLOR );
			
   return RegisterClassEx( &wcex );
}

LRESULT CALLBACK WndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
{
   switch( uMsg )
   {
      case WM_CREATE  : 
              {
                 WNDCLASS wc;

                 wc.style          = CS_HREDRAW | CS_VREDRAW;
                 wc.lpfnWndProc    = BlueDlgProc;
                 wc.cbClsExtra     = 0;
                 wc.cbWndExtra     = DLGWINDOWEXTRA;
                 wc.hInstance      = hInst;
                 wc.hIcon          = NULL;
                 wc.hCursor        = LoadCursor( NULL, IDC_ARROW );
                 wc.hbrBackground  = GetStockObject( WHITE_BRUSH );
                 wc.lpszMenuName   = NULL;
                 wc.lpszClassName  = "BlueDlg";

                 RegisterClass( &wc );
               }
               break;

      case WM_COMMAND :
              switch( LOWORD( wParam ) )
              {
                 case IDM_TEST :
                        DialogBox( hInst, "TestDialog", hWnd,
                                   (DLGPROC)TestDlgProc );
                        break;

                 case IDM_ABOUT :
                        DialogBox( hInst, "AboutBox", hWnd, (DLGPROC)About );
                        break;

                 case IDM_EXIT :
                        DestroyWindow( hWnd );
                        break;
              }
              break;
      
      case WM_DESTROY :
              PostQuitMessage(0);
              break;

      default :
            return( DefWindowProc( hWnd, uMsg, wParam, lParam ) );
   }

   return( 0L );
}


LRESULT CALLBACK BlueDlgProc( HWND hWnd, UINT uMsg, 
                              WPARAM wParam, LPARAM lParam )
{
static HBRUSH hbkgnd = NULL;

   switch( uMsg )
   {
      case WM_CTLCOLORBTN :
      case WM_CTLCOLORSTATIC :
      case WM_CTLCOLORDLG :
            if ( !hbkgnd )
            {
               LOGBRUSH lb;

               lb.lbStyle = BS_SOLID;
               lb.lbColor = RGB( 0, 0, 255 ); // Blue

               hbkgnd = CreateBrushIndirect( &lb );
            }

            SetBkColor( (HDC)wParam, RGB( 0, 0, 255 ) );
            return( (LRESULT)hbkgnd );

      case WM_DESTROY :
            if ( hbkgnd )
               DeleteObject( hbkgnd );
            break;
   }

   return( DefDlgProc( hWnd, uMsg, wParam, lParam ) );
}


LRESULT CALLBACK TestDlgProc( HWND hDlg, UINT uMsg, 
                              WPARAM wParam, LPARAM lParam )
{

   switch( uMsg )
   {
      case WM_INITDIALOG :
            CheckDlgButton( hDlg, IDC_CHECKBOX, bChecked ? MF_CHECKED :
                                                           MF_UNCHECKED );
            CheckRadioButton( hDlg, IDC_RADIO1, IDC_RADIO2, 
                           bRadio1 ? IDC_RADIO1 : IDC_RADIO2 );
            break;

      case WM_COMMAND :
            switch( LOWORD( wParam ) )
            {
               case IDC_CHECKBOX :
                      bChecked = !IsDlgButtonChecked( hDlg, IDC_CHECKBOX );
                      CheckDlgButton( hDlg, IDC_CHECKBOX, 
                                      bChecked ? MF_CHECKED : MF_UNCHECKED );
                      break;

               case IDC_RADIO1 :
                      bRadio1 = TRUE;
                      CheckRadioButton( hDlg, IDC_RADIO1, IDC_RADIO2,
                                                          IDC_RADIO1 );
                      break;

               case IDC_RADIO2 :
                      bRadio1 = FALSE;
                      CheckRadioButton( hDlg, IDC_RADIO1, IDC_RADIO2,
                                                          IDC_RADIO2 );
                      break;

               case IDCANCEL : 
                      EndDialog( hDlg, IDCANCEL );
                      break;
            }
            break;

      default :
            return( FALSE );
   }

   return( TRUE );
}


LRESULT CALLBACK About( HWND hDlg,           
                        UINT message,        
                        WPARAM wParam,       
                        LPARAM lParam)
{
   switch (message) 
   {
       case WM_INITDIALOG: 
               return (TRUE);

       case WM_COMMAND:                              
               if (   LOWORD(wParam) == IDOK         
                   || LOWORD(wParam) == IDCANCEL)    
               {
                       EndDialog(hDlg, TRUE);        
                       return (TRUE);
               }
               break;
   }

   return (FALSE); 
}