reactos/apps/tests/winhello/winhello.c

   1 #include <windows.h>
   2 #include <stdio.h>
   3 #include <string.h>
   4
   5 //HFONT tf;
   6 LRESULT WINAPI MainWndProc(HWND, UINT, WPARAM, LPARAM);
   7
   8 int WINAPI
   9 WinMain(HINSTANCE hInstance,
  10         HINSTANCE hPrevInstance,
  11         LPSTR lpszCmdLine,
  12         int nCmdShow)
  13 {
  14   WNDCLASS wc;
  15   MSG msg;
  16   HWND hWnd;
  17
  18   wc.lpszClassName = "HelloClass";
  19   wc.lpfnWndProc = MainWndProc;
  20   wc.style = CS_VREDRAW | CS_HREDRAW;
  21   wc.hInstance = hInstance;
  22   wc.hIcon = LoadIcon(NULL, (LPCTSTR)IDI_APPLICATION);
  23   wc.hCursor = LoadCursor(NULL, (LPCTSTR)IDC_ARROW);
  24   wc.hbrBackground = (HBRUSH)GetStockObject(GRAY_BRUSH);
  25   wc.lpszMenuName = NULL;
  26   wc.cbClsExtra = 0;
  27   wc.cbWndExtra = 0;
  28   if (RegisterClass(&wc) == 0)
  29     {
  30       fprintf(stderr, "RegisterClass failed (last error 0x%lX)\n",
  31               GetLastError());
  32       return(1);
  33     }
  34
  35   hWnd = CreateWindow("HelloClass",
  36                       "Hello World",
  37                       WS_OVERLAPPEDWINDOW|WS_HSCROLL|WS_VSCROLL,
  38                       0,
  39                       0,
  40                       CW_USEDEFAULT,
  41                       CW_USEDEFAULT,
  42                       NULL,
  43                       NULL,
  44                       hInstance,
  45                       NULL);
  46   if (hWnd == NULL)
  47     {
  48       fprintf(stderr, "CreateWindow failed (last error 0x%lX)\n",
  49               GetLastError());
  50       return(1);
  51     }
  52
  53         //tf = CreateFontA(14, 0, 0, TA_BASELINE, FW_NORMAL, FALSE, FALSE, FALSE,
  54         //      ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
  55         //      DEFAULT_QUALITY, FIXED_PITCH|FF_DONTCARE, "Timmons");
  56
  57   ShowWindow(hWnd, nCmdShow);
  58
  59   while(GetMessage(&msg, NULL, 0, 0))
  60   {
  61     TranslateMessage(&msg);
  62     DispatchMessage(&msg);
  63   }
  64
  65   //DeleteObject(tf);
  66
  67   return msg.wParam;
  68 }
  69
  70 LRESULT CALLBACK MainWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
  71 {
  72         PAINTSTRUCT ps;
  73         HDC hDC;
  74         RECT clr, wir;
  75         char spr[100], sir[100];
  76
  77         switch(msg)
  78         {
  79         case WM_LBUTTONUP:
  80           {
  81             ULONG x, y;
  82             RECT Rect;
  83             hDC = GetDC(hWnd);
  84             x = LOWORD(lParam);
  85             y = HIWORD(lParam);
  86             Rect.left = x - 5;
  87             Rect.top = y - 5;
  88             Rect.right = x + 5;
  89             Rect.bottom = y + 5;
  90             FillRect(hDC, &Rect, CreateSolidBrush(RGB(0xFF, 0x00, 0x00)));
  91             ReleaseDC(hWnd, hDC);
  92             break;
  93           }
  94
  95         case WM_PAINT:
  96           hDC = BeginPaint(hWnd, &ps);
  97           EndPaint(hWnd, &ps);
  98           //SelectObject(hDC, tf);
  99           hDC = GetDC(hWnd);
 100           TextOut(hDC, 10, 10, "Hello World from ReactOS!", strlen("Hello World from ReactOS!"));
 101           GetClientRect(hWnd, &clr);
 102           GetWindowRect(hWnd, &wir);
 103           sprintf(spr, "%lu,%lu,%lu,%lu              ", clr.left, clr.top, clr.right, clr.bottom);
 104           sprintf(sir, "%lu,%lu,%lu,%lu              ", wir.left, wir.top, wir.right, wir.bottom);
 105           TextOut(hDC, 10, 30, spr, 20);
 106           TextOut(hDC, 10, 50, sir, 20);
 107           ReleaseDC ( hWnd, hDC );
 108           break;
 109
 110         case WM_DESTROY:
 111           PostQuitMessage(0);
 112           break;
 113
 114         default:
 115           return DefWindowProc(hWnd, msg, wParam, lParam);
 116         }
 117         return 0;
 118 }