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windlg.c

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/***************************************************************
* File: WinDlg.c                                              *
***************************************************************/

/* Include Files */
#include <windows.h>
#include "dlgproc.h"
#include "nmlperf.rh"
#include "windlg.h"

HINSTANCE hWinDlgInstance;
int nWinDlgCmdShow;
DLGPROC dlg_proc_instance = NULL;
HRSRC dlg_resource_handle = NULL;
LPCSTR dlg_resource_str;
HGLOBAL dlg_resource = NULL;
HWND hDlg = NULL;
MSG main_loop_message;
HWND title_window;
void FAR *dlg_resource_ptr = NULL;


void
WinDlgExit ()
{
  if (NULL != title_window)
    {
      DestroyWindow (title_window);
    }
}

int PASCAL
main_window_proc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
  switch (message)
    {
    case WM_DESTROY:
      PostQuitMessage (0);
      break;
    default:
      return DefWindowProc (hwnd, message, wParam, lParam);
    }
}

int PASCAL
WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
         LPSTR lpstrCmdLine, int nCmdShow)
{
  WNDCLASS wndclass;
  hWinDlgInstance = hInstance;
  nWinDlgCmdShow = nCmdShow;

  if (NULL == hPrevInstance)
    {
      wndclass.style = CS_HREDRAW | CS_VREDRAW;
      wndclass.lpfnWndProc = main_window_proc;
      wndclass.cbClsExtra = 0;
      // Reserve extra bytes for each instance of the window;
      // we will use these bytes to store a pointer to the C++
      // (MainWindow) object corresponding to the window.
      // the size of a 'this' pointer depends on the memory model.
      wndclass.cbWndExtra = 0;
      wndclass.hInstance = hInstance;
      wndclass.hIcon = NULL;
      wndclass.hCursor = LoadCursor (NULL, IDC_ARROW);
      wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH);
      wndclass.lpszMenuName = NULL;
      wndclass.lpszClassName = "TITLE_WINDOW";

      if (!RegisterClass (&wndclass))
        {
          MessageBox (NULL, "Can't Registor TITLE_WINDOW Class.", "ERROR",
                      MB_OK);
          return (0);
        }
    }
  title_window =
    CreateWindow ("TITLE_WINDOW", "The Title", WS_CAPTION | WS_SYSMENU, 0,      /* X */
                  0,            /* Y */
                  0,            /* width */
                  0,            /* hieght */
                  NULL,         /* Parent */
                  NULL,         /* hMenu */
                  hInstance, 0);
  if (title_window == NULL)
    {
      MessageBox (NULL, "Can't Create TITLE_WINDOW.", "ERROR", MB_OK);
      return 0;
    }
  ShowWindow (title_window, nCmdShow);
  dlg_proc_instance = MakeProcInstance (main_window_dialog_proc, hInstance);
  if (NULL == dlg_proc_instance)
    {
      MessageBox (NULL, "Can't MakeProcInstance for dialog_proc.", "ERROR",
                  MB_OK);
      return NULL;
    }
  dlg_resource_str = MAKEINTRESOURCE (MAIN_WINDOW_DIALOG);
  if (dlg_resource_str == NULL)
    {
      MessageBox (NULL, "Can't MAKEINTRESOURCE for MAIN_WINDOW_DIALOG",
                  "ERROR", MB_OK);
      return 0;
    }
#if 0
  dlg_resource_handle = FindResource (hInstance, dlg_resource_str, RT_DIALOG);
  if (NULL == dlg_resource_handle)
    {
      MessageBox (NULL, "Can't FindResource MAIN_WINDOW_DIALOG", "ERROR",
                  MB_OK);
      FreeProcInstance (dlg_proc_instance);
      dlg_proc_instance = NULL;
      return NULL;
    }
  dlg_resource = LoadResource (hInstance, dlg_resource_handle);
  if (NULL == dlg_resource)
    {
      MessageBox (NULL, "Can't LoadResource MAIN_WINDOW_DIALOG", "ERROR",
                  MB_OK);
      FreeProcInstance (dlg_proc_instance);
      dlg_proc_instance = NULL;
      return NULL;
    }
  dlg_resource_ptr = LockResource (dlg_resource);
  if (dlg_resource_ptr == NULL)
    {
      MessageBox (NULL, "Can't LockResource MAIN_WINDOW_DIALOG", "ERROR",
                  MB_OK);
      return 0;
    }
#endif
  hDlg = CreateDialog (hInstance,
                       dlg_resource_str, title_window, dlg_proc_instance);
  if (NULL == hDlg)
    {
      MessageBox (NULL, "Can't CreateDialog.", "ERROR", MB_OK);
      FreeProcInstance (dlg_proc_instance);
      dlg_proc_instance = NULL;
      FreeResource (dlg_resource);
      dlg_resource = NULL;
      return NULL;
    }
  while (GetMessage (&main_loop_message, NULL, 0, 0))
    {
      if (IsDialogMessage (hDlg, &main_loop_message))
        {
          continue;
        }
      TranslateMessage (&main_loop_message);
      DispatchMessage (&main_loop_message);
    }
  return main_loop_message.wParam;
}

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