view src/glyphs-x.h @ 4407:4ee73bbe4f8e

Always use boyer_moore in ASCII or Latin-1 buffers with ASCII search strings. 2007-12-26 Aidan Kehoe <kehoea@parhasard.net> * casetab.c: Extend and correct some case table documentation. * search.c (search_buffer): Correct a bug where only the first entry for a character in the case equivalence table was examined in determining if the Boyer-Moore search algorithm is appropriate. If there are case mappings outside of the charset and row of the characters specified in the search string, those case mappings can be safely ignored (and Boyer-Moore search can be used) if we know from the buffer statistics that the corresponding characters cannot occur. * search.c (boyer_moore): Assert that we haven't been passed a string with varying characters sets or rows within character sets. That's what simple_search is for. In the very rare event that a character in the search string has a canonical case mapping that is not in the same character set and row, don't try to search for the canonical character, search for some other character that is in the the desired character set and row. Assert that the case table isn't corrupt. Do not search for any character case mappings that cannot possibly occur in the buffer, given the buffer metadata about its contents.
author Aidan Kehoe <kehoea@parhasard.net>
date Wed, 26 Dec 2007 17:30:16 +0100
parents abe6d1db359e
children 308d34e9f07d
line wrap: on
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/* X-specific glyphs and related.
   Copyright (C) 1993, 1994 Free Software Foundation, Inc.
   Copyright (C) 1995 Board of Trustees, University of Illinois.
   Copyright (C) 1995, 1996 Ben Wing
   Copyright (C) 1995 Sun Microsystems, Inc.

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_glyphs_x_h_
#define INCLUDED_glyphs_x_h_

#include "glyphs.h"

#ifdef HAVE_X_WINDOWS

#include "xintrinsic.h"
#include "../lwlib/lwlib.h"
#include "../lwlib/lwlib-utils.h"

/****************************************************************************
 *                         Image-Instance Object                            *
 ****************************************************************************/

struct x_image_instance_data
{
  Pixmap* pixmaps;
  Cursor cursor;

  /* If depth>0, then that means that other colors were allocated when
     this pixmap was loaded.  These are they; we need to free them when
     finalizing the image instance. */
  Colormap colormap;
  unsigned long *pixels;
  int npixels;

  /* Should we hang on to the extra info from the XpmAttributes, like
     the textual color table and the comments?   Is that useful? */
};

#define X_IMAGE_INSTANCE_DATA(i) ((struct x_image_instance_data *) (i)->data)

#define IMAGE_INSTANCE_X_PIXMAP(i) (X_IMAGE_INSTANCE_DATA (i)->pixmaps[0])
#define IMAGE_INSTANCE_X_PIXMAP_SLICE(i,slice) \
     (X_IMAGE_INSTANCE_DATA (i)->pixmaps[slice])
#define IMAGE_INSTANCE_X_PIXMAP_SLICES(i) \
     (X_IMAGE_INSTANCE_DATA (i)->pixmaps)
#define IMAGE_INSTANCE_X_MASK(i) \
	(Pixmap)(IMAGE_INSTANCE_PIXMAP_MASK (i))
#define IMAGE_INSTANCE_X_CURSOR(i) (X_IMAGE_INSTANCE_DATA (i)->cursor)
#define IMAGE_INSTANCE_X_COLORMAP(i) (X_IMAGE_INSTANCE_DATA (i)->colormap)
#define IMAGE_INSTANCE_X_PIXELS(i) (X_IMAGE_INSTANCE_DATA (i)->pixels)
#define IMAGE_INSTANCE_X_NPIXELS(i) (X_IMAGE_INSTANCE_DATA (i)->npixels)

#define XIMAGE_INSTANCE_X_PIXMAP(i) \
  IMAGE_INSTANCE_X_PIXMAP (XIMAGE_INSTANCE (i))
#define XIMAGE_INSTANCE_X_PIXMAP_SLICES(i) \
  IMAGE_INSTANCE_X_PIXMAP_SLICES (XIMAGE_INSTANCE (i))
#define XIMAGE_INSTANCE_X_PIXMAP_SLICE(i) \
  IMAGE_INSTANCE_X_PIXMAP_SLICE (XIMAGE_INSTANCE (i))
#define XIMAGE_INSTANCE_X_MASK(i) \
  IMAGE_INSTANCE_X_MASK (XIMAGE_INSTANCE (i))
#define XIMAGE_INSTANCE_X_CURSOR(i) \
  IMAGE_INSTANCE_X_CURSOR (XIMAGE_INSTANCE (i))
#define XIMAGE_INSTANCE_X_PIXELS(i) \
  IMAGE_INSTANCE_X_PIXELS (XIMAGE_INSTANCE (i))
#define XIMAGE_INSTANCE_X_NPIXELS(i) \
  IMAGE_INSTANCE_X_NPIXELS (XIMAGE_INSTANCE (i))

/****************************************************************************
 *                            Subwindow Object                              *
 ****************************************************************************/

struct x_subwindow_data
{
  union
  {
    struct
    {
      Display *display;
      Window parent_window;
      Window clip_window;
    } sub;
    struct
    {
      Widget clip_window;
      Position x_offset;
      Position y_offset;
      LWLIB_ID	id;
    } wid;
  } data;
};

#define X_SUBWINDOW_INSTANCE_DATA(i) ((struct x_subwindow_data *) (i)->data)

#define IMAGE_INSTANCE_X_SUBWINDOW_DISPLAY(i) \
  (X_SUBWINDOW_INSTANCE_DATA (i)->data.sub.display)
#define IMAGE_INSTANCE_X_SUBWINDOW_PARENT(i) \
  (X_SUBWINDOW_INSTANCE_DATA (i)->data.sub.parent_window)
#define IMAGE_INSTANCE_X_CLIPWINDOW(i) \
  (X_SUBWINDOW_INSTANCE_DATA (i)->data.sub.clip_window)
#define IMAGE_INSTANCE_X_WIDGET_XOFFSET(i) \
  (X_SUBWINDOW_INSTANCE_DATA (i)->data.wid.x_offset)
#define IMAGE_INSTANCE_X_WIDGET_YOFFSET(i) \
  (X_SUBWINDOW_INSTANCE_DATA (i)->data.wid.y_offset)
#define IMAGE_INSTANCE_X_WIDGET_LWID(i) \
  (X_SUBWINDOW_INSTANCE_DATA (i)->data.wid.id)
#define IMAGE_INSTANCE_X_CLIPWIDGET(i) \
  (X_SUBWINDOW_INSTANCE_DATA (i)->data.wid.clip_window)
#define IMAGE_INSTANCE_X_SUBWINDOW_ID(i) \
  (* (Window *) & IMAGE_INSTANCE_SUBWINDOW_ID (i))
#define IMAGE_INSTANCE_X_WIDGET_ID(i) \
  (* (Widget *) & IMAGE_INSTANCE_SUBWINDOW_ID (i))

#define XIMAGE_INSTANCE_X_SUBWINDOW_PARENT(i) \
  IMAGE_INSTANCE_X_SUBWINDOW_PARENT (XIMAGE_INSTANCE (i))
#define XIMAGE_INSTANCE_X_SUBWINDOW_DISPLAY(i) \
  IMAGE_INSTANCE_X_SUBWINDOW_DISPLAY (XIMAGE_INSTANCE (i))
#define XIMAGE_INSTANCE_X_WIDGET_XOFFSET(i) \
  IMAGE_INSTANCE_X_WIDGET_XOFFSET (XIMAGE_INSTANCE (i))
#define XIMAGE_INSTANCE_X_WIDGET_YOFFSET(i) \
  IMAGE_INSTANCE_X_WIDGET_YOFFSET (XIMAGE_INSTANCE (i))
#define XIMAGE_INSTANCE_X_WIDGET_LWID(i) \
  IMAGE_INSTANCE_X_WIDGET_LWID (XIMAGE_INSTANCE (i))
#define XIMAGE_INSTANCE_X_CLIPWIDGET(i) \
  IMAGE_INSTANCE_X_CLIPWIDGET (XIMAGE_INSTANCE (i))
#define XIMAGE_INSTANCE_X_CLIPWINDOW(i) \
  IMAGE_INSTANCE_X_CLIPWINDOW (XIMAGE_INSTANCE (i))
#define XIMAGE_INSTANCE_X_WIDGET_ID(i) \
  IMAGE_INSTANCE_X_WIDGET_ID (XIMAGE_INSTANCE (i))

#define DOMAIN_X_WIDGET(domain) \
  ((IMAGE_INSTANCEP (domain) && \
  X_SUBWINDOW_INSTANCE_DATA (XIMAGE_INSTANCE (domain))) ? \
   XIMAGE_INSTANCE_X_WIDGET_ID (domain) : \
   FRAME_X_CONTAINER_WIDGET (f) (DOMAIN_XFRAME (domain)))

#endif /* HAVE_X_WINDOWS */
#endif /* INCLUDED_glyphs_x_h_ */