libtest/hello3.c

   1 #include <windows.h>
   2 #include <resource.h>
   3 #include <commdlg.h>
   4 #include "hello3res.h"
   5
   6 typedef struct
   7 {
   8   HANDLE  hInstance;
   9   HWND    hMainWnd;
  10   HMENU   hMainMenu;
  11 } GLOBALS;
  12
  13 GLOBALS Globals;
  14
  15 BOOL FileOpen(HWND hWnd)
  16 {
  17   char filename[80] = "test.c";
  18   OPENFILENAME ofn = { sizeof(OPENFILENAME),
  19                        hWnd, NULL, "C code\0*.c\0", NULL, 0, 0, filename, 80,
  20                        NULL, 0, NULL, NULL, OFN_CREATEPROMPT |
  21                        OFN_SHOWHELP, 0, 0, NULL, 0, NULL };
  22   return GetOpenFileName(&ofn);
  23 }
  24
  25 BOOL CALLBACK DlgProc(HWND hWnd,UINT msg,WPARAM wParam,LPARAM lParam)
  26 {
  27         switch(msg)
  28         {
  29                 case WM_INITDIALOG:
  30                         return 1;
  31                 case WM_COMMAND:
  32                 if(wParam==100)
  33                         DestroyWindow(hWnd);
  34                 return 0;
  35         }
  36         return 0;
  37 }
  38
  39 LRESULT WndProc (HWND wnd, UINT msg, WPARAM w, LPARAM l)
  40 {
  41     switch (msg){
  42
  43         case WM_COMMAND:
  44         switch(w){
  45                 case 100:
  46                         DialogBox(Globals.hInstance,
  47                                 "DIADEMO", wnd,
  48                                 (DLGPROC)DlgProc);
  49                         return 0;
  50                 case 101:
  51                 {
  52                         HDC hdc, hMemDC;
  53                         HBITMAP hBitmap, hPrevBitmap;
  54                         BITMAP bmp;
  55
  56                         hBitmap = LoadBitmapA (Globals.hInstance, "BITDEMO");
  57                         hdc = GetDC (wnd);
  58                         hMemDC = CreateCompatibleDC (hdc);
  59                         hPrevBitmap = SelectObject (hMemDC, hBitmap);
  60                         GetObjectA (hBitmap, sizeof(BITMAP), &bmp);
  61                         BitBlt (hdc, 0, 0, bmp.bmWidth, bmp.bmHeight,
  62                                 hMemDC, 0, 0, SRCCOPY);
  63                         SelectObject (hMemDC, hPrevBitmap);
  64                         DeleteDC (hMemDC);
  65                         ReleaseDC (wnd, hdc);
  66                         return 0;
  67                 }
  68                 case 102:
  69                         FileOpen(wnd);
  70                         return 0;
  71                 default:
  72                         return DefWindowProc (wnd, msg, w, l);
  73         }
  74     case WM_DESTROY:
  75         PostQuitMessage (0);
  76         break;
  77
  78     default:
  79         return DefWindowProc (wnd, msg, w, l);
  80     }
  81     return 0l;
  82 }
  83
  84 int PASCAL WinMain (HANDLE inst, HANDLE prev, LPSTR cmdline, int show)
  85 {
  86     MSG      msg;
  87     WNDCLASS class;
  88     char className[] = "class";  /* To make sure className >= 0x10000 */
  89     char winName[] = "Test app";
  90
  91     Globals.hInstance = inst;
  92     if (!prev){
  93         class.style = CS_HREDRAW | CS_VREDRAW;
  94         class.lpfnWndProc = WndProc;
  95         class.cbClsExtra = 0;
  96         class.cbWndExtra = 0;
  97         class.hInstance  = inst;
  98         class.hIcon      = LoadIcon (0, IDI_APPLICATION);
  99         class.hCursor    = LoadCursor (0, IDC_ARROW);
 100         class.hbrBackground = GetStockObject (WHITE_BRUSH);
 101         class.lpszMenuName = 0;
 102         class.lpszClassName = (SEGPTR)className;
 103     }
 104     if (!RegisterClass (&class))
 105         return FALSE;
 106
 107     Globals.hMainWnd = CreateWindow (className, winName, WS_OVERLAPPEDWINDOW,
 108                         CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, 0,
 109                         LoadMenu(inst,"MAIN"), inst, 0);
 110     ShowWindow (Globals.hMainWnd, show);
 111     UpdateWindow (Globals.hMainWnd);
 112
 113     while (GetMessage (&msg, 0, 0, 0)){
 114         TranslateMessage (&msg);
 115         DispatchMessage (&msg);
 116     }
 117     return 0;
 118 }