various frame-geometry fixes -------------------- ChangeLog entries follow: -------------------- src/ChangeLog addition: 2010-02-15 Ben Wing <ben@xemacs.org> * EmacsFrame.c: * EmacsFrame.c (EmacsFrameResize): * console-msw-impl.h: * console-msw-impl.h (struct mswindows_frame): * console-msw-impl.h (FRAME_MSWINDOWS_TARGET_RECT): * device-tty.c: * device-tty.c (tty_asynch_device_change): * event-msw.c: * event-msw.c (mswindows_wnd_proc): * faces.c (Fface_list): * faces.h: * frame-gtk.c: * frame-gtk.c (gtk_set_initial_frame_size): * frame-gtk.c (gtk_set_frame_size): * frame-msw.c: * frame-msw.c (mswindows_init_frame_1): * frame-msw.c (mswindows_set_frame_size): * frame-msw.c (mswindows_size_frame_internal): * frame-msw.c (msprinter_init_frame_3): * frame.c: * frame.c (enum): * frame.c (Fmake_frame): * frame.c (adjust_frame_size): * frame.c (store_minibuf_frame_prop): * frame.c (Fframe_property): * frame.c (Fframe_properties): * frame.c (Fframe_displayable_pixel_height): * frame.c (Fframe_displayable_pixel_width): * frame.c (internal_set_frame_size): * frame.c (Fset_frame_height): * frame.c (Fset_frame_pixel_height): * frame.c (Fset_frame_displayable_pixel_height): * frame.c (Fset_frame_width): * frame.c (Fset_frame_pixel_width): * frame.c (Fset_frame_displayable_pixel_width): * frame.c (Fset_frame_size): * frame.c (Fset_frame_pixel_size): * frame.c (Fset_frame_displayable_pixel_size): * frame.c (frame_conversion_internal_1): * frame.c (get_frame_displayable_pixel_size): * frame.c (change_frame_size_1): * frame.c (change_frame_size): * frame.c (generate_title_string): * frame.h: * gtk-xemacs.c: * gtk-xemacs.c (gtk_xemacs_size_request): * gtk-xemacs.c (gtk_xemacs_size_allocate): * gtk-xemacs.c (gtk_xemacs_paint): * gutter.c: * gutter.c (update_gutter_geometry): * redisplay.c (end_hold_frame_size_changes): * redisplay.c (redisplay_frame): * toolbar.c: * toolbar.c (update_frame_toolbars_geometry): * window.c: * window.c (frame_pixsize_valid_p): * window.c (check_frame_size): Various fixes to frame geometry to make it a bit easier to understand and fix some bugs. 1. IMPORTANT: Some renamings. Will need to be applied carefully to the carbon repository, in the following order: -- pixel_to_char_size -> pixel_to_frame_unit_size -- char_to_pixel_size -> frame_unit_to_pixel_size -- pixel_to_real_char_size -> pixel_to_char_size -- char_to_real_pixel_size -> char_to_pixel_size -- Reverse second and third arguments of change_frame_size() and change_frame_size_1() to try to make functions consistent in putting width before height. -- Eliminate old round_size_to_char, because it didn't really do anything differently from round_size_to_real_char() -- round_size_to_real_char -> round_size_to_char; any places that called the old round_size_to_char should just call the new one. 2. IMPORTANT FOR CARBON: The set_frame_size() method is now passed sizes in "frame units", like all other frame-sizing functions, rather than some hacked-up combination of char-cell units and total pixel size. This only affects window systems that use "pixelated geometry", and I'm not sure if Carbon is one of them. MS Windows is pixelated, X and GTK are not. For pixelated-geometry systems, the size in set_frame_size() is in displayable pixels rather than total pixels and needs to be converted appropriately; take a look at the changes made to mswindows_set_frame_size() method if necessary. 3. Add a big long comment in frame.c describing how frame geometry works. 4. Remove MS Windows-specific character height and width fields, duplicative and unused. 5. frame-displayable-pixel-* and set-frame-displayable-pixel-* didn't use to work on MS Windows, but they do now. 6. In general, clean up the handling of "pixelated geometry" so that fewer functions have to worry about this. This is really an abomination that should be removed entirely but that will have to happen later. Fix some buggy code in frame_conversion_internal() that happened to "work" because it was countered by oppositely buggy code in change_frame_size(). 7. Clean up some frame-size code in toolbar.c and use functions already provided in frame.c instead of rolling its own. 8. Fix check_frame_size() in window.c, which formerly didn't take pixelated geometry into account.

/* Drag'n'Drop definitions
   created 03-may-98 by Oliver Graf <ograf@fga.de>
   Copyright (C) 1998 Oliver Graf <ograf@fga.de>
   Copyright (C) 2004 Ben Wing.

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. */

/* This file should be Mule-ized. */

/* A short introduction to the new Drag'n'Drop Model:

   A drop generates a extended misc-user-event, as defined in events.[ch].
   This event contains the same as a eval and a button event.
   The function of a drop is set to 'dragdrop-drop-dispatch' which will be
   defined in ../lisp/dragdrop.el.
   The object of the misc-user-event has the following format:
              ( TYPE . DATA )
   TYPE  is one of `dragdrop-MIME' and `dragdrop-URL'
   DATA  - if TYPE is `dragdrop-URL', DATA is a list of valid URL strings. It
	   is always a list, also if only one URL string is within it.
	 - if TYPE is `dragdrop-MIME', DATA is a list of MIME elements.
	   Each can be a string or a list.
	   if it is a string it is the pure MIME data complete with header
	   and body.
	   if it is a list it should look like
	      ( MIME-TYPE MIME-ENCODING MIME-DATA )
	   MIME-TYPE list of type and key.value conses. Same as in tm-view
	   MIME-ENC  the same (a string in this case)
	   MIME-DATA is a string
*/

#include <config.h>
#include "lisp.h"
#include "dragdrop.h"

/* The supported protocol list */
Lisp_Object Vdragdrop_protocols;

/* Drag'n'Drop data types known by XEmacs */
Lisp_Object Qdragdrop_MIME;
Lisp_Object Qdragdrop_URL;

/* External defined functions to handle Drag'n'Drop */
Lisp_Object Qdragdrop_drop_dispatch;

/* from wget -- thanxx Hrvoje */
/* A list of unsafe characters for encoding, as per RFC1738.  '@' and
   ':' (not listed in RFC) were added because of user/password
   encoding, and \033 for safe printing.  */

#define URL_UNSAFE " <>\"#%{}|\\^~[]`@:\033"

/* HEX digit -> ASCII char */
#define HEXD2ASC(x) (((x) < 10) ? ((x) + '0') : ((x) - 10 + 'A'))

/* Encodes the unsafe characters (listed in URL_UNSAFE) in a given
   string, returning a malloc-ed %XX encoded string.
   if method is != NULL it is prepended to the string. */
Ibyte *
dnd_url_hexify_string (const Ibyte *s, const Ibyte *m)
{
  const Ibyte *b;
  Ibyte *p, *res;
  Bytecount i;

  b = s;
  for (i = 0; *s; s++, i++)
    if (strchr (URL_UNSAFE, *s))
      i += 2; /* Two more characters (hex digits) */
  if (m)
    {
      res = xnew_ibytes (i + ITEXT_ZTERM_SIZE + qxestrlen (m));
      qxestrcpy (res, m);
      p = res + qxestrlen (m);
    }
  else
    {
      res = xnew_ibytes (i + ITEXT_ZTERM_SIZE);
      p = res;
    }
  for (s = b; *s; s++)
    if (strchr (URL_UNSAFE, *s))
      {
	const Ibyte c = *s;
	*p++ = '%';
	*p++ = HEXD2ASC (c >> 4);
	*p++ = HEXD2ASC (c & 0xf);
      }
    else
      *p++ = *s;
  *p = '\0';
  return res;
}

void
syms_of_dragdrop (void)
{
  DEFSYMBOL (Qdragdrop_MIME);
  DEFSYMBOL (Qdragdrop_URL);
  DEFSYMBOL (Qdragdrop_drop_dispatch);
}

void
vars_of_dragdrop (void)
{
  Fprovide (intern ("dragdrop-api"));

  DEFVAR_CONST_LISP ("dragdrop-protocols", &Vdragdrop_protocols /*
A list of supported Drag'n'drop protocols.
Each element is the feature symbol of the protocol.
*/ );
  
  Vdragdrop_protocols = Qnil;

#ifdef HAVE_MS_WINDOWS
  Vdragdrop_protocols = Fcons (Qmswindows, Vdragdrop_protocols);
#endif
#ifdef HAVE_CDE
  Vdragdrop_protocols = Fcons (intern ("cde"), Vdragdrop_protocols);
#endif
#ifdef HAVE_GTK
  Vdragdrop_protocols = Fcons (Qgtk, Vdragdrop_protocols);
#endif
}