view lisp/misc.el @ 563:183866b06e0b

[xemacs-hg @ 2001-05-24 07:50:48 by ben] Makefile.in.in, abbrev.c, alloc.c, buffer.c, bytecode.c, callint.c, callproc.c, casetab.c, chartab.c, cmdloop.c, cmds.c, console-msw.c, console-msw.h, console-stream.c, console-tty.c, console-x.c, console.c, data.c, database.c, debug.c, device-gtk.c, device-msw.c, device-tty.c, device-x.c, device.c, dialog-gtk.c, dialog-msw.c, dialog-x.c, dialog.c, dired-msw.c, dired.c, doc.c, doprnt.c, dragdrop.c, editfns.c, eldap.c, eldap.h, elhash.c, emacs-widget-accessors.c, emacs.c, emodules.c, esd.c, eval.c, event-Xt.c, event-gtk.c, event-msw.c, event-stream.c, events.c, extents.c, faces.c, file-coding.c, fileio.c, filelock.c, floatfns.c, fns.c, font-lock.c, frame-gtk.c, frame-x.c, frame.c, general-slots.h, glade.c, glyphs-gtk.c, glyphs-msw.c, glyphs-widget.c, glyphs-x.c, glyphs.c, glyphs.h, gpmevent.c, gui-gtk.c, gui-x.c, gui.c, gutter.c, hpplay.c, indent.c, input-method-xlib.c, insdel.c, intl.c, keymap.c, libsst.c, libsst.h, linuxplay.c, lisp.h, lread.c, lstream.c, lstream.h, macros.c, marker.c, md5.c, menubar-gtk.c, menubar-msw.c, menubar-x.c, menubar.c, minibuf.c, miscplay.c, miscplay.h, mule-ccl.c, mule-charset.c, mule-wnnfns.c, mule.c, nas.c, ntplay.c, ntproc.c, objects-gtk.c, objects-msw.c, objects-x.c, objects.c, postgresql.c, print.c, process-nt.c, process-unix.c, process.c, ralloc.c, rangetab.c, redisplay.c, scrollbar.c, search.c, select-gtk.c, select-x.c, select.c, sgiplay.c, sheap.c, sound.c, specifier.c, sunplay.c, symbols.c, symeval.h, symsinit.h, syntax.c, sysdep.c, toolbar-msw.c, toolbar.c, tooltalk.c, ui-byhand.c, ui-gtk.c, undo.c, unexaix.c, unexapollo.c, unexconvex.c, unexec.c, widget.c, win32.c, window.c: -- defsymbol -> DEFSYMBOL. -- add an error type to all errors. -- eliminate the error functions in eval.c that let you just use Qerror as the type. -- redo the error API to be more consistent, sensibly named, and easier to use. -- redo the error hierarchy somewhat. create new errors: structure-formation-error, gui-error, invalid-constant, stack-overflow, out-of-memory, process-error, network-error, sound-error, printing-unreadable-object, base64-conversion- error; coding-system-error renamed to text-conversion error; some others. -- fix Mule problems in error strings in emodules.c, tooltalk.c. -- fix error handling in mswin open-network-stream. -- Mule-ize all sound files and clean up the headers. -- nativesound.h -> sound.h and used for all sound files. -- move some shared stuff into glyphs-shared.c: first attempt at eliminating some of the massive GTK code duplication. xemacs.mak: add glyphs-shared.c. xemacs-faq.texi: document how to debug X errors subr.el: fix doc string to reflect reality
author ben
date Thu, 24 May 2001 07:51:33 +0000
parents 41ff10fd062f
children 308d34e9f07d
line wrap: on
line source

;;; misc.el --- miscellaneous functions for XEmacs

;; Copyright (C) 1989, 1997 Free Software Foundation, Inc.

;; Maintainer: FSF
;; Keywords: extensions, dumped

;; 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: FSF 19.34.

;;; Commentary:

;; This file is dumped with XEmacs.

;; 06/11/1997 - Use char-(after|before) instead of
;;  (following|preceding)-char. -slb

;;; Code:

(defun copy-from-above-command (&optional arg)
  "Copy characters from previous nonblank line, starting just above point.
Copy ARG characters, but not past the end of that line.
If no argument given, copy the entire rest of the line.
The characters copied are inserted in the buffer before point."
  (interactive "P")
  (let ((cc (current-column))
	n
	(string ""))
    (save-excursion
      (beginning-of-line)
      (backward-char 1)
      (skip-chars-backward "\ \t\n")
      (move-to-column cc)
      ;; Default is enough to copy the whole rest of the line.
      (setq n (if arg (prefix-numeric-value arg) (point-max)))
      ;; If current column winds up in middle of a tab,
      ;; copy appropriate number of "virtual" space chars.
      (if (< cc (current-column))
	  (if (eq (char-before (point)) ?\t)
	      (progn
		(setq string (make-string (min n (- (current-column) cc)) ?\ ))
		(setq n (- n (min n (- (current-column) cc)))))
	    ;; In middle of ctl char => copy that whole char.
	    (backward-char 1)))
      (setq string (concat string
			   (buffer-substring
			    (point)
			    (min (save-excursion (end-of-line) (point))
				 (+ n (point)))))))
    (insert string)))

;;; misc.el ends here