toolkit/hello.c

   1 /* #include "autoconf.h" */
   2 #include <windows.h>
   3
   4 void Write (HDC dc, int x, int y, char *s)
   5 {
   6     TextOut (dc, x, y, s, strlen (s));
   7 }
   8
   9 LONG WndProc (HANDLE wnd, UINT msg, WORD w, LONG l)
  10 {
  11     static short xChar, yChar;
  12     HDC dc;
  13     PAINTSTRUCT ps;
  14     TEXTMETRIC tm;
  15
  16     switch (msg){
  17     case WM_CREATE:
  18         dc = GetDC (wnd);
  19         GetTextMetrics (dc, &tm);
  20         xChar = tm.tmAveCharWidth;
  21         yChar = tm.tmHeight;
  22         ReleaseDC (wnd, dc);
  23         break;
  24
  25     case WM_PAINT:
  26         dc = BeginPaint (wnd, &ps);
  27         Write (dc, xChar, yChar, "Hola");
  28         EndPaint (wnd, &ps);
  29         break;
  30
  31     case WM_DESTROY:
  32         PostQuitMessage (0);
  33         break;
  34
  35     default:
  36         return DefWindowProc (wnd, msg, w, l);
  37     }
  38     return 0l;
  39 }
  40
  41 int PASCAL WinMain (HANDLE inst, HANDLE prev, LPSTR cmdline, int show)
  42 {
  43     HWND     wnd;
  44     MSG      msg;
  45     WNDCLASS class;
  46
  47     if (!prev){
  48         class.style = CS_HREDRAW | CS_VREDRAW;
  49         class.lpfnWndProc = WndProc;
  50         class.cbClsExtra = 0;
  51         class.cbWndExtra = 0;
  52         class.hInstance  = inst;
  53         class.hIcon      = LoadIcon (0, IDI_APPLICATION);
  54         class.hCursor    = LoadCursor (0, IDC_ARROW);
  55         class.hbrBackground = GetStockObject (WHITE_BRUSH);
  56         class.lpszMenuName = NULL;
  57         class.lpszClassName = "class";
  58     }
  59     if (!RegisterClass (&class))
  60         return FALSE;
  61
  62     wnd = CreateWindow ("class", "Test app", WS_OVERLAPPEDWINDOW,
  63                         CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, 0,
  64                         0, inst, 0);
  65     ShowWindow (wnd, show);
  66     UpdateWindow (wnd);
  67
  68     while (GetMessage (&msg, 0, 0, 0)){
  69         TranslateMessage (&msg);
  70         DispatchMessage (&msg);
  71     }
  72 }