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/ Windows 95 API Bible / Windows 95 API Bible 3 Disc Set.iso / Win32 API Bible Book 2 of 3.iso / chapter3 / getparts.c < prev    next >
C/C++ Source or Header  |  1996-03-06  |  7KB  |  210 lines
  1.  
  2. #include <windows.h>  
  3. #include <commctrl.h>
  4. #include "GETPARTS.h"  
  5.  
  6.  
  7. #if defined (WIN32)
  8.     #define IS_WIN32 TRUE
  9. #else
  10.     #define IS_WIN32 FALSE
  11. #endif
  12.  
  13. #define IS_NT      IS_WIN32 && (BOOL)(GetVersion() < 0x80000000)
  14. #define IS_WIN32S  IS_WIN32 && (BOOL)(!(IS_NT) && (LOBYTE(LOWORD(GetVersion()))<4))
  15. #define IS_WIN95   (BOOL)(!(IS_NT) && !(IS_WIN32S)) && IS_WIN32
  16.  
  17. HINSTANCE hInst;   // current instance
  18.  
  19. LPCTSTR lpszAppName = "MyApp";
  20. LPCTSTR lpszTitle   = "SB_GETPARTS"; 
  21.  
  22.  
  23. BOOL RegisterWin95( CONST WNDCLASS* lpwc );
  24.  
  25.  
  26. int APIENTRY WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,
  27.                       LPTSTR lpCmdLine, int nCmdShow)
  28. {
  29.    MSG      msg;
  30.    HWND     hWnd; 
  31.    WNDCLASS wc;
  32.  
  33.    wc.style         = CS_HREDRAW | CS_VREDRAW;
  34.    wc.lpfnWndProc   = (WNDPROC)WndProc;       
  35.    wc.cbClsExtra    = 0;                      
  36.    wc.cbWndExtra    = 0;                      
  37.    wc.hInstance     = hInstance;              
  38.    wc.hIcon         = LoadIcon (hInstance, lpszAppName); 
  39.    wc.hCursor       = LoadCursor(NULL, IDC_ARROW);
  40.    wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
  41.    wc.lpszMenuName  = lpszAppName;              
  42.    wc.lpszClassName = lpszAppName;              
  43.  
  44.    if ( IS_WIN95 )
  45.    {
  46.       if ( !RegisterWin95( &wc ) )
  47.          return( FALSE );
  48.    }
  49.    else if ( !RegisterClass( &wc ) )
  50.       return( FALSE );
  51.  
  52.    hInst = hInstance; 
  53.  
  54.    hWnd = CreateWindow( lpszAppName, 
  55.                         lpszTitle,    
  56.                         WS_OVERLAPPEDWINDOW, 
  57.                         CW_USEDEFAULT, 0, 
  58.                         CW_USEDEFAULT, 0,  
  59.                         NULL,              
  60.                         NULL,              
  61.                         hInstance,         
  62.                         NULL               
  63.                       );
  64.  
  65.    if ( !hWnd ) 
  66.       return( FALSE );
  67.  
  68.    ShowWindow( hWnd, nCmdShow ); 
  69.    UpdateWindow( hWnd );         
  70.  
  71.    while( GetMessage( &msg, NULL, 0, 0) )   
  72.    {
  73.       TranslateMessage( &msg ); 
  74.       DispatchMessage( &msg );  
  75.    }
  76.  
  77.    return( msg.wParam ); 
  78. }
  79.  
  80.  
  81. BOOL RegisterWin95( CONST WNDCLASS* lpwc )
  82. {
  83.    WNDCLASSEX wcex;
  84.  
  85.    wcex.style         = lpwc->style;
  86.    wcex.lpfnWndProc   = lpwc->lpfnWndProc;
  87.    wcex.cbClsExtra    = lpwc->cbClsExtra;
  88.    wcex.cbWndExtra    = lpwc->cbWndExtra;
  89.    wcex.hInstance     = lpwc->hInstance;
  90.    wcex.hIcon         = lpwc->hIcon;
  91.    wcex.hCursor       = lpwc->hCursor;
  92.    wcex.hbrBackground = lpwc->hbrBackground;
  93.    wcex.lpszMenuName  = lpwc->lpszMenuName;
  94.    wcex.lpszClassName = lpwc->lpszClassName;
  95.  
  96.    // Added elements for Windows 95.
  97.    //...............................
  98.    wcex.cbSize = sizeof(WNDCLASSEX);
  99.    wcex.hIconSm = LoadImage(wcex.hInstance, lpwc->lpszClassName, 
  100.                             IMAGE_ICON, 16, 16,
  101.                             LR_DEFAULTCOLOR );
  102.             
  103.    return RegisterClassEx( &wcex );
  104. }
  105.  
  106.  
  107. LRESULT CALLBACK WndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
  108. {
  109. static HWND  hStatusWnd = NULL;
  110.  
  111.    switch( uMsg )
  112.    {
  113.       case WM_CREATE :
  114.               // Initialize the common control library
  115.               // and create the status window.
  116.               //......................................
  117.               InitCommonControls();
  118.               hStatusWnd = CreateStatusWindow( 
  119.                                   WS_CHILD | WS_VISIBLE | 
  120.                                   CCS_BOTTOM | SBARS_SIZEGRIP, 
  121.                                   "", hWnd, 101 );
  122.               break;
  123.  
  124.       case WM_SIZE :
  125.               {
  126.                  RECT clrect, strect;
  127.                  int  i, parts[5];
  128.  
  129.                  GetClientRect( hWnd, &clrect );
  130.                  GetClientRect( hStatusWnd, &strect );
  131.  
  132.                  for( i=0; i < 5; i++ )
  133.                     parts[i] = (LOWORD( lParam ) - 100) + i*20;
  134.  
  135.                  SendMessage( hStatusWnd, SB_SETPARTS, 5, (LPARAM)&parts[0] );
  136.  
  137.                  MoveWindow( hStatusWnd, 0, clrect.bottom-strect.bottom, 
  138.                              LOWORD( lParam ), HIWORD( lParam ), TRUE );
  139.               }
  140.               break;
  141.  
  142.       case WM_COMMAND :
  143.               switch( LOWORD( wParam ) )
  144.               {
  145.                  case IDM_TEST :
  146.                         {
  147.                            RECT rect;
  148.                            char szMsg[128];
  149.                            int  nBorders[3];
  150.                            int  nNumParts = SendMessage( hStatusWnd, SB_GETPARTS, 0, 0 );
  151.  
  152.                            SendMessage( hStatusWnd, SB_GETBORDERS, 0, (LPARAM)nBorders );
  153.                            SendMessage( hStatusWnd, SB_GETRECT, 0, (LPARAM)&rect );
  154.  
  155.                            // Build the string to put on the status window.
  156.                            //..............................................
  157.                            wsprintf( szMsg, "%d parts, vert:%d, horz:%d, sep:%d,"\
  158.                                             " part 0 rect: x:%d y:%d cx:%d cy:%d",
  159.                                             nNumParts, nBorders[0], nBorders[1], nBorders[2],
  160.                                             rect.left, rect.top, rect.right, rect.bottom );
  161.  
  162.                            SendMessage( hStatusWnd, SB_SETTEXT, 0, (LPARAM)szMsg );
  163.                         }
  164.                         break;
  165.  
  166.                  case IDM_ABOUT :
  167.                         DialogBox( hInst, "AboutBox", hWnd, (DLGPROC)About );
  168.                         break;
  169.  
  170.                  case IDM_EXIT :
  171.                         DestroyWindow( hWnd );
  172.                         break;
  173.               }
  174.               break;
  175.       
  176.       case WM_DESTROY :
  177.               PostQuitMessage(0);
  178.               break;
  179.  
  180.       default :
  181.             return( DefWindowProc( hWnd, uMsg, wParam, lParam ) );
  182.    }
  183.  
  184.    return( 0L );
  185. }
  186.  
  187.  
  188. LRESULT CALLBACK About( HWND hDlg,           
  189.                         UINT message,        
  190.                         WPARAM wParam,       
  191.                         LPARAM lParam)
  192. {
  193.    switch (message) 
  194.    {
  195.        case WM_INITDIALOG: 
  196.                return (TRUE);
  197.  
  198.        case WM_COMMAND:                              
  199.                if (   LOWORD(wParam) == IDOK         
  200.                    || LOWORD(wParam) == IDCANCEL)    
  201.                {
  202.                        EndDialog(hDlg, TRUE);        
  203.                        return (TRUE);
  204.                }
  205.                break;
  206.    }
  207.  
  208.    return (FALSE); 
  209. }
  210.