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/ Windows 95 API Bible / Windows 95 API Bible 3 Disc Set.iso / Win32 API Bible Book 2 of 3 / CHAPTER3 / HIDEBTN.C < prev    next >
C/C++ Source or Header  |  1996-03-06  |  7KB  |  228 lines
  1.  
  2. #include <windows.h>  
  3. #include <commctrl.h>
  4. #include "hidebtn.h"  
  5.  
  6.  
  7.  
  8. #if defined (WIN32)
  9.     #define IS_WIN32 TRUE
  10. #else
  11.     #define IS_WIN32 FALSE
  12. #endif
  13.  
  14. #define IS_NT      IS_WIN32 && (BOOL)(GetVersion() < 0x80000000)
  15. #define IS_WIN32S  IS_WIN32 && (BOOL)(!(IS_NT) && (LOBYTE(LOWORD(GetVersion()))<4))
  16. #define IS_WIN95   (BOOL)(!(IS_NT) && !(IS_WIN32S)) && IS_WIN32
  17.  
  18. HINSTANCE hInst;   // current instance
  19.  
  20. LPCTSTR lpszAppName = "MyApp";
  21. LPCTSTR lpszTitle   = "TB_HIDEBUTTON"; 
  22.  
  23.  
  24. BOOL RegisterWin95( CONST WNDCLASS* lpwc );
  25.  
  26.  
  27. int APIENTRY WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,
  28.                       LPTSTR lpCmdLine, int nCmdShow)
  29. {
  30.    MSG      msg;
  31.    HWND     hWnd; 
  32.    WNDCLASS wc;
  33.  
  34.    wc.style         = CS_HREDRAW | CS_VREDRAW;
  35.    wc.lpfnWndProc   = (WNDPROC)WndProc;       
  36.    wc.cbClsExtra    = 0;                      
  37.    wc.cbWndExtra    = 0;                      
  38.    wc.hInstance     = hInstance;              
  39.    wc.hIcon         = LoadIcon (hInstance, lpszAppName); 
  40.    wc.hCursor       = LoadCursor(NULL, IDC_ARROW);
  41.    wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
  42.    wc.lpszMenuName  = lpszAppName;              
  43.    wc.lpszClassName = lpszAppName;              
  44.  
  45.    if ( IS_WIN95 )
  46.    {
  47.       if ( !RegisterWin95( &wc ) )
  48.          return( FALSE );
  49.    }
  50.    else if ( !RegisterClass( &wc ) )
  51.       return( FALSE );
  52.  
  53.    hInst = hInstance; 
  54.  
  55.    hWnd = CreateWindow( lpszAppName, 
  56.                         lpszTitle,    
  57.                         WS_OVERLAPPEDWINDOW, 
  58.                         CW_USEDEFAULT, 0, 
  59.                         CW_USEDEFAULT, 0,  
  60.                         NULL,              
  61.                         NULL,              
  62.                         hInstance,         
  63.                         NULL               
  64.                       );
  65.  
  66.    if ( !hWnd ) 
  67.       return( FALSE );
  68.  
  69.    ShowWindow( hWnd, nCmdShow ); 
  70.    UpdateWindow( hWnd );         
  71.  
  72.    while( GetMessage( &msg, NULL, 0, 0) )   
  73.    {
  74.       TranslateMessage( &msg ); 
  75.       DispatchMessage( &msg );  
  76.    }
  77.  
  78.    return( msg.wParam ); 
  79. }
  80.  
  81.  
  82. BOOL RegisterWin95( CONST WNDCLASS* lpwc )
  83. {
  84.    WNDCLASSEX wcex;
  85.  
  86.    wcex.style         = lpwc->style;
  87.    wcex.lpfnWndProc   = lpwc->lpfnWndProc;
  88.    wcex.cbClsExtra    = lpwc->cbClsExtra;
  89.    wcex.cbWndExtra    = lpwc->cbWndExtra;
  90.    wcex.hInstance     = lpwc->hInstance;
  91.    wcex.hIcon         = lpwc->hIcon;
  92.    wcex.hCursor       = lpwc->hCursor;
  93.    wcex.hbrBackground = lpwc->hbrBackground;
  94.    wcex.lpszMenuName  = lpwc->lpszMenuName;
  95.    wcex.lpszClassName = lpwc->lpszClassName;
  96.  
  97.    // Added elements for Windows 95.
  98.    //...............................
  99.    wcex.cbSize = sizeof(WNDCLASSEX);
  100.    wcex.hIconSm = LoadImage(wcex.hInstance, lpwc->lpszClassName, 
  101.                             IMAGE_ICON, 16, 16,
  102.                             LR_DEFAULTCOLOR );
  103.             
  104.    return RegisterClassEx( &wcex );
  105. }
  106.  
  107. // Toolbar buttons. 
  108. //.................
  109. TBBUTTON tbButtons[] = 
  110. { 
  111.     { 0, IDM_TEST1, TBSTATE_ENABLED, TBSTYLE_BUTTON, 0, 0L, 0},
  112.     { 1, IDM_TEST2, TBSTATE_ENABLED, TBSTYLE_BUTTON, 0, 0L, 0},
  113.     { 2, IDM_TEST3, TBSTATE_ENABLED, TBSTYLE_BUTTON, 0, 0L, 0},
  114.     { 3, IDM_TEST4, TBSTATE_ENABLED, TBSTYLE_BUTTON, 0, 0L, 0},
  115. }; 
  116.  
  117.  
  118. LRESULT CALLBACK WndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
  119. {
  120. static HWND hToolWnd   = NULL;
  121.  
  122.    switch( uMsg )
  123.    {
  124.       case WM_CREATE :
  125.               // Initialize the common control library
  126.               // and create the toolbar.
  127.               //.......................................
  128.               InitCommonControls();
  129.  
  130.               hToolWnd = CreateWindowEx( 0, TOOLBARCLASSNAME, NULL, 
  131.                                          WS_CHILD | WS_BORDER | WS_VISIBLE, 
  132.                                          0, 0, 0, 0, hWnd, (HMENU)101, hInst, NULL);
  133.  
  134.               if ( hToolWnd )
  135.               {
  136.                  HBITMAP     hBmp;
  137.                  TBADDBITMAP tb;
  138.                  int index, stdidx;
  139.  
  140.                  // Set the size of the TBBUTTON structure.
  141.                  //........................................
  142.                  SendMessage(hToolWnd, TB_BUTTONSTRUCTSIZE, sizeof(TBBUTTON), 0); 
  143.  
  144.                  // Load bitmap to add to the toolbar.
  145.                  //...................................
  146.                  hBmp = CreateMappedBitmap( hInst, 100, 0, NULL, 0 );
  147.  
  148.                  tb.hInst = NULL;
  149.                  tb.nID   = (UINT) hBmp;
  150.                  stdidx = SendMessage(hToolWnd, TB_ADDBITMAP, 4, (LPARAM)&tb);
  151.  
  152.                  for (index = 0; index < 4; index++)
  153.                     tbButtons[index].iBitmap += stdidx;
  154.  
  155.                  // Add the buttons to the toolbar.
  156.                  //................................
  157.                  SendMessage(hToolWnd, TB_ADDBUTTONS, 4, (LONG) &tbButtons[0]);
  158.               }
  159.               break;
  160.  
  161.       case WM_COMMAND :
  162.               switch( LOWORD( wParam ) )
  163.               {
  164.                  case IDM_TESTMENU1 :
  165.                  case IDM_TESTMENU2 :
  166.                  case IDM_TESTMENU3 :
  167.                  case IDM_TESTMENU4 :
  168.                         {
  169.                            BOOL bHidden;
  170.  
  171.                            bHidden = SendMessage( hToolWnd, 
  172.                                                    TB_ISBUTTONHIDDEN,
  173.                                                    LOWORD( wParam )-IDM_TOOLBASE,
  174.                                                    0 );
  175.  
  176.                            // Hide/Show the toolbar button.
  177.                            //..............................
  178.                            SendMessage(hToolWnd, TB_HIDEBUTTON, 
  179.                                        LOWORD( wParam )-IDM_TOOLBASE,
  180.                                        !bHidden );
  181.                         }
  182.                         break;
  183.  
  184.                  case IDM_ABOUT :
  185.                         DialogBox( hInst, "AboutBox", hWnd, (DLGPROC)About );
  186.                         break;
  187.  
  188.                  case IDM_EXIT :
  189.                         DestroyWindow( hWnd );
  190.                         break;
  191.               }
  192.               break;
  193.       
  194.       case WM_DESTROY :
  195.               PostQuitMessage(0);
  196.               break;
  197.  
  198.       default :
  199.             return( DefWindowProc( hWnd, uMsg, wParam, lParam ) );
  200.    }
  201.  
  202.    return( 0L );
  203. }
  204.  
  205.  
  206. LRESULT CALLBACK About( HWND hDlg,           
  207.                         UINT message,        
  208.                         WPARAM wParam,       
  209.                         LPARAM lParam)
  210. {
  211.    switch (message) 
  212.    {
  213.        case WM_INITDIALOG: 
  214.                return (TRUE);
  215.  
  216.        case WM_COMMAND:                              
  217.                if (   LOWORD(wParam) == IDOK         
  218.                    || LOWORD(wParam) == IDCANCEL)    
  219.                {
  220.                        EndDialog(hDlg, TRUE);        
  221.                        return (TRUE);
  222.                }
  223.                break;
  224.    }
  225.  
  226.    return (FALSE); 
  227. }
  228.