windows/defdlg.c

   1 /*
   2  * Default dialog procedure
   3  *
   4  * Copyright 1993 Alexandre Julliard
   5  */
   6
   7 static char Copyright[] = "Copyright  Alexandre Julliard, 1993";
   8
   9 #include "windows.h"
  10 #include "dialog.h"
  11 #include "win.h"
  12
  13
  14 /***********************************************************************
  15  *           DefDlgProc   (USER.308)
  16  */
  17 LONG DefDlgProc( HWND hwnd, WORD msg, WORD wParam, LONG lParam )
  18 {
  19     DIALOGINFO * dlgInfo;
  20     BOOL result = FALSE;
  21     WND * wndPtr = WIN_FindWndPtr( hwnd );
  22
  23     if (!wndPtr) return 0;
  24     dlgInfo = (DIALOGINFO *)&wndPtr->wExtra;
  25
  26 #ifdef DEBUG_DIALOG
  27     printf( "DefDlgProc: %d %04x %d %08x\n", hwnd, msg, wParam, lParam );
  28 #endif
  29
  30     dlgInfo->msgResult = 0;
  31     if (dlgInfo->dlgProc)
  32     {
  33           /* Call dialog procedure */
  34         result = (BOOL)CallWindowProc( dlgInfo->dlgProc, hwnd,
  35                                        msg, wParam, lParam );
  36
  37           /* Check if window destroyed by dialog procedure */
  38         wndPtr = WIN_FindWndPtr( hwnd );
  39         if (!wndPtr) return result;
  40     }
  41
  42     if (!result) switch(msg)
  43     {
  44         case WM_INITDIALOG:
  45             break;
  46
  47         case WM_ERASEBKGND:
  48             FillWindow( hwnd, hwnd, (HDC)wParam, (HBRUSH)CTLCOLOR_DLG );
  49             return TRUE;
  50
  51         case WM_NCDESTROY:
  52
  53               /* Delete font */
  54             if (dlgInfo->hUserFont)
  55             {
  56                 DeleteObject( dlgInfo->hUserFont );
  57                 dlgInfo->hUserFont = 0;
  58             }
  59
  60               /* Delete menu */
  61             if (dlgInfo->hMenu)
  62             {
  63                 DestroyMenu( dlgInfo->hMenu );
  64                 dlgInfo->hMenu = 0;
  65             }
  66
  67               /* Window clean-up */
  68             DefWindowProc( hwnd, msg, wParam, lParam );
  69             break;
  70
  71         default:
  72             return DefWindowProc( hwnd, msg, wParam, lParam );
  73     }
  74
  75     return result;
  76 }