- GET_C_STRING_OS_DATA_ALLOCA (IMAGE_INSTANCE_WIDGET_TEXT (ii), nm);
-
- wnd = CreateWindowEx(
- exflags /* | WS_EX_NOPARENTNOTIFY*/,
- class,
- nm,
- flags | WS_CHILD,
- 0, /* starting x position */
- 0, /* starting y position */
- IMAGE_INSTANCE_WIDGET_WIDTH (ii),
- IMAGE_INSTANCE_WIDGET_HEIGHT (ii),
- /* parent window */
- FRAME_MSWINDOWS_HANDLE (XFRAME (frame)),
- (HMENU)id, /* No menu */
- (HINSTANCE)
- GetWindowLong (FRAME_MSWINDOWS_HANDLE (XFRAME (frame)),
- GWL_HINSTANCE),
- NULL);
+ TO_EXTERNAL_FORMAT (LISP_STRING, IMAGE_INSTANCE_WIDGET_TEXT (ii),
+ C_STRING_ALLOCA, nm,
+ Qnative);
+
+ /* allocate space for the clip window and then allocate the clip window */
+ ii->data = xnew_and_zero (struct mswindows_subwindow_data);
+
+ if ((IMAGE_INSTANCE_MSWINDOWS_CLIPWINDOW (ii)
+ = CreateWindowEx(
+ WS_EX_CONTROLPARENT, /* EX flags */
+ XEMACS_CONTROL_CLASS,
+ 0, /* text */
+ WS_CLIPCHILDREN | WS_CLIPSIBLINGS | WS_CHILD,
+ 0, /* starting x position */
+ 0, /* starting y position */
+ IMAGE_INSTANCE_WIDGET_WIDTH (ii),
+ IMAGE_INSTANCE_WIDGET_HEIGHT (ii),
+ /* parent window */
+ FRAME_MSWINDOWS_HANDLE (XFRAME (frame)),
+ (HMENU)id, /* No menu */
+ NULL, /* must be null for this class */
+ NULL)) == NULL)
+ signal_simple_error ("window creation failed with code",
+ make_int (GetLastError()));
+
+ if ((wnd = CreateWindowEx(
+ exflags /* | WS_EX_NOPARENTNOTIFY*/,
+ class,
+ nm,
+ flags | WS_CHILD | WS_VISIBLE,
+ 0, /* starting x position */
+ 0, /* starting y position */
+ IMAGE_INSTANCE_WIDGET_WIDTH (ii),
+ IMAGE_INSTANCE_WIDGET_HEIGHT (ii),
+ /* parent window */
+ IMAGE_INSTANCE_MSWINDOWS_CLIPWINDOW (ii),
+ (HMENU)id, /* No menu */
+ (HINSTANCE)
+ GetWindowLong
+ (FRAME_MSWINDOWS_HANDLE (XFRAME (frame)),
+ GWL_HINSTANCE),
+ NULL)) == NULL)
+ signal_simple_error ("window creation failed with code",
+ make_int (GetLastError()));