libtest/new.c

   1 #include <windows.h>
   2
   3 HANDLE ghInstance;
   4
   5
   6 LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM);
   7 LRESULT CALLBACK ChildProc (HWND, UINT, WPARAM, LPARAM);
   8
   9 int PASCAL WinMain (HANDLE hInstance, HANDLE hPrevInstance,
  10                     LPSTR lpszCmdParam, int nCmdShow)
  11     {
  12     char szAppName[] = "ClassLook" ;
  13     HWND        hwnd ;
  14     MSG         msg ;
  15     WNDCLASS    wndclass ;
  16
  17     ghInstance = hInstance;
  18     if (!hPrevInstance)
  19          {
  20          wndclass.style         = CS_HREDRAW | CS_VREDRAW ;
  21          wndclass.lpfnWndProc   = WndProc ;
  22          wndclass.cbClsExtra    = 0 ;
  23          wndclass.cbWndExtra    = 0 ;
  24          wndclass.hInstance     = hInstance ;
  25          wndclass.hIcon         = LoadIcon (NULL, IDI_APPLICATION) ;
  26          wndclass.hCursor       = LoadCursor (NULL, IDC_ARROW) ;
  27          wndclass.hbrBackground = GetStockObject (WHITE_BRUSH) ;
  28          wndclass.lpszMenuName  = NULL ;
  29          wndclass.lpszClassName = szAppName ;
  30
  31          RegisterClass (&wndclass) ;
  32          }
  33
  34     hwnd = CreateWindow (szAppName,     /* window class name */
  35                   szAppName,            /* window caption */
  36                   WS_OVERLAPPEDWINDOW,  /* window style */
  37                   CW_USEDEFAULT,        /* initial x position */
  38                   CW_USEDEFAULT,        /* initial y position */
  39                   600,  /* initial x size */
  40                   400,  /* initial y size */
  41                   NULL,                 /* parent window handle */
  42                   NULL,                 /* window menu handle */
  43                   hInstance,            /* program instance handle */
  44                   NULL) ;               /* creation parameters */
  45
  46     ShowWindow (hwnd, nCmdShow) ;
  47     UpdateWindow (hwnd) ;
  48
  49     while (GetMessage (&msg, NULL, 0, 0))
  50          {
  51          TranslateMessage (&msg) ;
  52          DispatchMessage (&msg) ;
  53          }
  54     return msg.wParam ;
  55     }
  56
  57 LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
  58     {
  59     HDC         hdc ;
  60     PAINTSTRUCT ps ;
  61     RECT        rect ;
  62     WNDCLASS    wndclass ;
  63     char clsName[] = "SecondClass";
  64
  65     static HWND hChild;
  66
  67     switch (message)
  68          {
  69          case WM_CREATE :
  70              wndclass.style             = CS_PARENTDC | CS_HREDRAW | CS_VREDRAW;
  71              wndclass.lpfnWndProc       = ChildProc ;
  72              wndclass.cbClsExtra        = 0 ;
  73              wndclass.cbWndExtra        = 0 ;
  74              wndclass.hInstance         = ghInstance ;
  75              wndclass.hIcon             = NULL ;
  76              wndclass.hCursor           = LoadCursor (NULL, IDC_CROSS) ;
  77              wndclass.hbrBackground     = GetStockObject (LTGRAY_BRUSH) ;
  78              wndclass.lpszMenuName      = NULL ;
  79              wndclass.lpszClassName     = clsName;
  80
  81              RegisterClass (&wndclass);
  82
  83              hChild = CreateWindow(clsName,"Child Window",
  84                  WS_CHILD | WS_VISIBLE | WS_BORDER,
  85                  10, 10, 580, 380, hwnd, NULL, ghInstance, NULL);
  86              ShowWindow(hChild, SW_SHOW);
  87          case WM_PAINT :
  88               hdc = BeginPaint (hwnd, &ps) ;
  89
  90               GetClientRect (hwnd, &rect) ;
  91
  92               DrawText (hdc, "Hello, Windows!", -1, &rect,
  93                         DT_SINGLELINE | DT_CENTER | DT_VCENTER) ;
  94
  95               EndPaint (hwnd, &ps);
  96               return 0 ;
  97
  98          case WM_DESTROY :
  99               PostQuitMessage (0) ;
 100               return 0 ;
 101          }
 102     return DefWindowProc (hwnd, message, wParam, lParam) ;
 103     }
 104
 105 LRESULT CALLBACK ChildProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
 106 {
 107     HDC                 hDC;
 108     PAINTSTRUCT         ps;
 109     WNDCLASS            wndClass;
 110     char                *classes[]={"EDIT","BUTTON","LISTBOX","STATIC","SCROLLBAR","COMBOBOX","COMBOLBOX", NULL};
 111     char**              curr;
 112     char                buf[256];
 113     RECT        rect ;
 114     int i;
 115
 116     switch (message) {
 117         case WM_PAINT:
 118             curr = classes;
 119             i=0;
 120             hDC = BeginPaint(hwnd, &ps);
 121             SelectObject(hDC,GetStockObject(ANSI_FIXED_FONT));
 122             while (*curr) {
 123               wsprintf(buf,"%12s:",*curr);
 124               GetClassInfo(NULL, *curr, &wndClass);
 125               if(wndClass.style&CS_VREDRAW)  lstrcat(buf," | CS_VREDRAW");
 126               if(wndClass.style&CS_HREDRAW)  lstrcat(buf," | CS_HREDRAW" );
 127               if(wndClass.style&CS_KEYCVTWINDOW) lstrcat(buf," | CS_KEYCVTWINDOW" );
 128               if(wndClass.style&CS_DBLCLKS) lstrcat(buf," | CS_DBLCLKS" );
 129               if(wndClass.style&CS_OWNDC) lstrcat(buf," | CS_OWNDC" );
 130               if(wndClass.style&CS_CLASSDC) lstrcat(buf," | CS_CLASSDC" );
 131               if(wndClass.style&CS_PARENTDC) lstrcat(buf," | CS_PARENTDC" );
 132               if(wndClass.style&CS_NOKEYCVT) lstrcat(buf," | CS_NOKEYCVT" );
 133               if(wndClass.style&CS_NOCLOSE) lstrcat(buf," | CS_NOCLOSE" );
 134               if(wndClass.style&CS_SAVEBITS) lstrcat(buf," | CS_SAVEBITS" );
 135               if(wndClass.style&CS_GLOBALCLASS) lstrcat(buf," | CS_GLOBALCLASS");
 136               GetClientRect (hwnd, &rect) ;
 137               TextOut (hDC, 5,20+i,buf,lstrlen(buf)) ;
 138               i += 15;
 139               curr++;
 140             }
 141 /*            EndPaint(hwnd, &ps);
 142             break;
 143             hDC = BeginPaint(hwnd, &ps);
 144 */
 145             MoveToEx(hDC, 0, 0, NULL);
 146             LineTo(hDC, 500, 500);
 147             EndPaint(hwnd, &ps);
 148             break;
 149         default:
 150             return DefWindowProc (hwnd, message, wParam, lParam) ;
 151     }
 152     return (0L);
 153 }
 154