libtest/hello3.c

   1 #include <windows.h>
   2 #include <commdlg.h>
   3
   4 typedef struct
   5 {
   6   HANDLE  hInstance;
   7   HWND    hMainWnd;
   8   HMENU   hMainMenu;
   9 } GLOBALS;
  10
  11 GLOBALS Globals;
  12
  13 BOOL FileOpen(HWND hWnd)
  14 {
  15   char filename[80] = "test.c";
  16   OPENFILENAME ofn = { sizeof(OPENFILENAME),
  17                        hWnd, NULL, "C code\0*.c\0", NULL, 0, 0, filename, 80,
  18                        NULL, 0, NULL, NULL, OFN_CREATEPROMPT |
  19                        OFN_SHOWHELP, 0, 0, NULL, 0, NULL };
  20   return GetOpenFileName(&ofn);
  21 }
  22
  23 LRESULT CALLBACK DlgProc(HWND hWnd,UINT msg,WPARAM wParam,LPARAM lParam)
  24 {
  25     switch(msg)
  26     {
  27         case WM_INITDIALOG:
  28             break;
  29         case WM_COMMAND:
  30             switch (wParam)
  31             {
  32                 case 100:
  33                     EndDialog(hWnd, 100);
  34                     return TRUE;
  35             }
  36     }
  37     return FALSE;
  38 }
  39
  40 LRESULT CALLBACK WndProc (HWND wnd, UINT msg, WPARAM w, LPARAM l)
  41 {
  42     switch (msg){
  43
  44         case WM_COMMAND:
  45         switch(w){
  46                 case 100:
  47                         DialogBox(Globals.hInstance,
  48                                 "DIADEMO", wnd,
  49                                 (DLGPROC)DlgProc);
  50                         return 0;
  51                 case 101:
  52                 {
  53                         HDC hdc, hMemDC;
  54                         HBITMAP hBitmap, hPrevBitmap;
  55                         BITMAP bmp;
  56
  57                         hBitmap = LoadBitmapA (Globals.hInstance, "BITDEMO");
  58                         hdc = GetDC (wnd);
  59                         hMemDC = CreateCompatibleDC (hdc);
  60                         hPrevBitmap = SelectObject (hMemDC, hBitmap);
  61                         GetObjectA (hBitmap, sizeof(BITMAP), &bmp);
  62                         BitBlt (hdc, 0, 0, bmp.bmWidth, bmp.bmHeight,
  63                                 hMemDC, 0, 0, SRCCOPY);
  64                         SelectObject (hMemDC, hPrevBitmap);
  65                         DeleteDC (hMemDC);
  66                         ReleaseDC (wnd, hdc);
  67                         return 0;
  68                 }
  69                 case 102:
  70                         FileOpen(wnd);
  71                         return 0;
  72                 default:
  73                         return DefWindowProc (wnd, msg, w, l);
  74         }
  75     case WM_DESTROY:
  76         PostQuitMessage (0);
  77         break;
  78
  79     default:
  80         return DefWindowProc (wnd, msg, w, l);
  81     }
  82     return 0l;
  83 }
  84
  85 int PASCAL WinMain (HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show)
  86 {
  87     MSG      msg;
  88     WNDCLASS class;
  89     char className[] = "class";  /* To make sure className >= 0x10000 */
  90     char winName[] = "Test app";
  91
  92     Globals.hInstance = inst;
  93     if (!prev){
  94         class.style = CS_HREDRAW | CS_VREDRAW;
  95         class.lpfnWndProc = WndProc;
  96         class.cbClsExtra = 0;
  97         class.cbWndExtra = 0;
  98         class.hInstance  = inst;
  99         class.hIcon      = LoadIcon (0, IDI_APPLICATION);
 100         class.hCursor    = LoadCursor (0, IDC_ARROW);
 101         class.hbrBackground = GetStockObject (WHITE_BRUSH);
 102         class.lpszMenuName = 0;
 103         class.lpszClassName = className;
 104     }
 105     if (!RegisterClass (&class))
 106         return FALSE;
 107
 108     Globals.hMainWnd = CreateWindow (className, winName, WS_OVERLAPPEDWINDOW,
 109                         CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, 0,
 110                         LoadMenu(inst,"MAIN"), inst, 0);
 111     ShowWindow (Globals.hMainWnd, show);
 112     UpdateWindow (Globals.hMainWnd);
 113
 114     while (GetMessage (&msg, 0, 0, 0)){
 115         TranslateMessage (&msg);
 116         DispatchMessage (&msg);
 117     }
 118     return 0;
 119 }