1. added missing wxUSE_TEXTDLG to setup0.h

2. added new style wxWANTS_CHARS and WM_GETDLGCODE handling for windows with
   this style


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2672 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/window.cpp

@@ -1776,6 +1776,14 @@ long wxWindow::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
             }
             break;
 
+        case WM_GETDLGCODE:
+            if ( GetWindowStyleFlag() & wxWANTS_CHARS )
+            {
+                rc.result = DLGC_WANTARROWS | DLGC_WANTCHARS | DLGC_WANTTAB;
+                processed = TRUE;
+            }
+            break;
+
         case WM_KEYDOWN:
             // If this has been processed by an event handler,
             // return 0 now (we've handled it).