view src/scrollbar.h @ 3017:1e7cc382eb16

[xemacs-hg @ 2005-10-24 10:07:26 by ben] refactor mc-alloc dependencies next-error.el, occur.el: Fix some byte-compile warnings. alloc.c, buffer.c, buffer.h, casetab.c, casetab.h, charset.h, chartab.c, chartab.h, console-impl.h, console-msw-impl.h, console.c, data.c, database.c, device-impl.h, device-msw.c, device.c, dialog-msw.c, elhash.c, events.h, extents-impl.h, extents.c, faces.c, faces.h, file-coding.c, file-coding.h, frame-impl.h, frame.c, glyphs.c, glyphs.h, gui.c, gui.h, keymap.c, lisp.h, lrecord.h, lstream.c, lstream.h, mule-charset.c, objects-impl.h, objects.c, opaque.c, opaque.h, print.c, process.c, procimpl.h, rangetab.c, rangetab.h, scrollbar-gtk.c, scrollbar-msw.c, scrollbar-x.c, scrollbar.c, scrollbar.h, specifier.c, specifier.h, symbols.c, symeval.h, toolbar.c, toolbar.h, tooltalk.c, ui-gtk.c, ui-gtk.h, unicode.c, window-impl.h, window.c: Eliminate the majority of #ifdef MC_ALLOC occurrences through macros LCRECORD_HEADER, ALLOC_LCRECORD_TYPE, MALLOCED_STORAGE_SIZE, etc. (defined in lrecord.h).
author ben
date Mon, 24 Oct 2005 10:07:42 +0000
parents 6fa9919a9a0b
children e0db3c197671
line wrap: on
line source

/* Define 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_h_
#define INCLUDED_scrollbar_h_

#ifdef HAVE_SCROLLBARS

struct scrollbar_instance
{
  struct LCRECORD_HEADER header;

  /* Used by the frame caches. */
  struct scrollbar_instance *next;

  /* Pointer back to the mirror structure attached to. */
  struct window_mirror *mirror;

  /* This flag indicates if the scrollbar is currently in use. */
  char scrollbar_is_active;

  /* This flag indicates if a data parameter has changed. */
  char scrollbar_instance_changed;

  /* A structure of auxiliary data specific to the device type.
     struct x_scrollbar_data is used for X window frames; defined in
     scrollbar-x.h */
  void *scrollbar_data;
};

DECLARE_LRECORD (scrollbar_instance, struct scrollbar_instance);
#define XSCROLLBAR_INSTANCE(x) XRECORD (x, scrollbar_instance, struct scrollbar_instance)
#define wrap_scrollbar_instance(p) wrap_record (p, scrollbar_instance)
#define SCROLLBAR_INSTANCEP(x) RECORDP (x, scrollbar_instance)
#define CHECK_SCROLLBAR_INSTANCE(x) CHECK_RECORD (x, scrollbar_instance)
#define CONCHECK_SCROLLBAR_INSTANCE(x) CONCHECK_RECORD (x, scrollbar_instance)

#define SCROLLBAR_INSTANCE_FRAME(inst) (inst->mirror->frame)

void init_frame_scrollbars (struct frame *f);
void init_device_scrollbars (struct device *d);
void init_global_scrollbars (struct device *d);
void free_frame_scrollbars (struct frame *f);
void release_window_mirror_scrollbars (struct window_mirror *mir);
void update_window_scrollbars (struct window *w,
			       struct window_mirror *mirror,
			       int active, int horiz_only);
#ifdef MEMORY_USAGE_STATS
int compute_scrollbar_instance_usage (struct device *d,
				      struct scrollbar_instance *inst,
				      struct overhead_stats *ovstats);
#endif

extern Lisp_Object Vscrollbar_width, Vscrollbar_height;

extern Lisp_Object Qscrollbar_line_up;
extern Lisp_Object Qscrollbar_line_down;
extern Lisp_Object Qscrollbar_page_up;
extern Lisp_Object Qscrollbar_page_down;
extern Lisp_Object Qscrollbar_to_top;
extern Lisp_Object Qscrollbar_to_bottom;
extern Lisp_Object Qscrollbar_vertical_drag;

extern Lisp_Object Qscrollbar_char_left;
extern Lisp_Object Qscrollbar_char_right;
extern Lisp_Object Qscrollbar_page_left;
extern Lisp_Object Qscrollbar_page_right;
extern Lisp_Object Qscrollbar_to_left;
extern Lisp_Object Qscrollbar_to_right;
extern Lisp_Object Qscrollbar_horizontal_drag;

#endif /* HAVE_SCROLLBARS */

#endif /* INCLUDED_scrollbar_h_ */