view src/scrollbar-msw.h @ 4502:8748a3f7ceb4

Handle varalias chains, custom variables in #'user-variable-p. src/ChangeLog addition: 2008-08-23 Aidan Kehoe <kehoea@parhasard.net> * eval.c (Fuser_variable_p): Moved to symbols.c * symbols.c (Fcustom_variable_p): Moved here from custom.el. (user_variable_alias_check_fun): Mapper function used in `user-variable-p'. (Fuser_variable_p): Moved here from eval.c, to allow it to examine the variable alias chain. Expanded to check each entry in the variable alias chain for signs of being a user variable; documentation updated, noting the differences between GNU's behaviour and ours (ours is a little more sensible) (map_varalias_chain): New. Given a C function, call it at least once for each symbol in a symbol's varalias chain, signalling an error if there's a cycle, and returning immediately if the function returns something other than Qzero. (Fdefvaralias): Correct the use of the word "alias" in the docstring and in the argument name. Motivate this in a comment. Add support for a DOCSTRING argument, something GNU has too, and document this * gc.c (vars_of_gc): Start the docstring of `garbage-collection-messages' with an asterisk, to indicate that it's a user variable. lisp/ChangeLog addition: 2008-08-23 Aidan Kehoe <kehoea@parhasard.net> * custom.el: Move #'custom-variable-p to C, since it's now called from #'user-variable-p.
author Aidan Kehoe <kehoea@parhasard.net>
date Sat, 23 Aug 2008 16:38:51 +0200
parents 5aa1854ad537
children 308d34e9f07d
line wrap: on
line source

/* Define mswindows specific scrollbar instance.
   Copyright (C) 1994, 1995 Board of Trustees, University of Illinois.

This file is part of XEmacs.

XEmacs is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.

XEmacs is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License
along with XEmacs; see the file COPYING.  If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */

/* Synched up with: Not in FSF. */

#ifndef INCLUDED_scrollbar_msw_h_
#define INCLUDED_scrollbar_msw_h_

#if defined (HAVE_MS_WINDOWS) && defined (HAVE_SCROLLBARS)

#include "scrollbar.h"

struct mswindows_scrollbar_data
{
  HWND hwnd;
  
  char *name;

  SCROLLINFO info;

  int scrollbar_x, scrollbar_y;
  int scrollbar_width, scrollbar_height;
  int size;
};

#define SCROLLBAR_MSW_DATA(i) ((struct mswindows_scrollbar_data *) ((i)->scrollbar_data))

#define SCROLLBAR_MSW_HANDLE(i) (SCROLLBAR_MSW_DATA (i)->hwnd)
#define SCROLLBAR_MSW_NAME(i) (SCROLLBAR_MSW_DATA (i)->name)
#define SCROLLBAR_MSW_INFO(i) (SCROLLBAR_MSW_DATA (i)->info)
#define SCROLLBAR_MSW_X(i) (SCROLLBAR_MSW_DATA (i)->x)
#define SCROLLBAR_MSW_Y(i) (SCROLLBAR_MSW_DATA (i)->y)
#define SCROLLBAR_MSW_WIDTH(i) (SCROLLBAR_MSW_DATA (i)->width)
#define SCROLLBAR_MSW_HEIGHT(i) (SCROLLBAR_MSW_DATA (i)->height)
#define SCROLLBAR_MSW_SIZE(i) (SCROLLBAR_MSW_DATA (i)->size)
     /*
void mswindows_update_frame_scrollbars (struct frame *f);
void mswindows_set_scrollbar_pointer (struct frame *f, Lisp_Object cursor);
EMACS_INT mswindows_window_is_scrollbar (struct frame *f, Window win);
     */

void mswindows_handle_scrollbar_event (HWND hwnd, int code, int pos);
int mswindows_handle_mousewheel_event (Lisp_Object frame, int keys, int delta,
				       POINTS where);

#endif /* HAVE_MS_WINDOWS and HAVE_SCROLLBARS */
#endif /* INCLUDED_scrollbar_msw_h_ */