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c45bfd3c4a
Back in Emacs-21.1, `define-minor-mode` grew keywords arguments to replace its old positional arguments. Let's make sure we don't use the old-style any more. * lisp/org/ox-beamer.el (org-beamer-mode-map): Move initialization into declaration. (org-beamer-mode): * lisp/textmodes/tildify.el (tildify-mode): * lisp/textmodes/sgml-mode.el (html-autoview-mode): * lisp/textmodes/rst.el (rst-minor-mode): * lisp/textmodes/remember.el (remember-notes-mode): * lisp/textmodes/ispell.el (ispell-minor-mode): * lisp/tar-mode.el (tar-subfile-mode): * lisp/strokes.el (strokes-mode): * lisp/so-long.el (so-long-minor-mode): * lisp/shell.el (shell-dirtrack-mode): * lisp/scroll-all.el (scroll-all-mode): * lisp/ruler-mode.el (ruler-mode): * lisp/rect.el (rectangle-mark-mode): * lisp/progmodes/sh-script.el (sh-electric-here-document-mode): * lisp/outline.el (outline-minor-mode): * lisp/org/org.el (org-cdlatex-mode): * lisp/org/org-table.el (org-table-header-line-mode) (org-table-follow-field-mode, orgtbl-mode): * lisp/org/org-src.el (org-src-mode): * lisp/org/org-list.el (org-list-checkbox-radio-mode): * lisp/org/org-indent.el (org-indent-mode): * lisp/org/org-capture.el (org-capture-mode): * lisp/obsolete/pc-select.el (pc-selection-mode): * lisp/obsolete/iswitchb.el (iswitchb-mode): * lisp/net/rcirc.el (rcirc-omit-mode, rcirc-multiline-minor-mode) (rcirc-track-minor-mode): * lisp/net/goto-addr.el (goto-address-mode, goto-address-prog-mode): * lisp/image-mode.el (image-minor-mode): * lisp/ibuf-ext.el (ibuffer-auto-mode): * lisp/gnus/gnus-cite.el (gnus-message-citation-mode): * lisp/font-core.el (font-lock-mode): * lisp/erc/erc.el (define-erc-module): * lisp/erc/erc-track.el (erc-track-minor-mode): * lisp/erc/erc-fill.el (erc-fill-mode): * lisp/epa-mail.el (epa-mail-mode): * lisp/emacs-lisp/checkdoc.el (checkdoc-minor-mode): * lisp/dirtrack.el (dirtrack-mode, dirtrack-debug-mode): * lisp/dired-aux.el (dired-isearch-filenames-mode): * lisp/cedet/semantic/idle.el (semantic-idle-scheduler-mode): * lisp/cedet/semantic/decorate/mode.el (semantic-decoration-mode): * lisp/autoarg.el (autoarg-mode, autoarg-kp-mode): * lisp/vc/pcvs.el (cvs-minor-mode): Avoid old-style positional args to `define-minor-mode`.
121 lines
4.1 KiB
EmacsLisp
121 lines
4.1 KiB
EmacsLisp
;;; scroll-all.el --- scroll all buffers together minor mode -*- lexical-binding: t -*-
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;; Copyright (C) 1997, 2001-2021 Free Software Foundation, Inc.
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;; Author: Gary D. Foster <Gary.Foster@corp.sun.com>
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;; Keywords: convenience scroll lock
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;; This mode allows multiple buffers to be 'locked' so that scrolling
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;; up or down lines in any buffer causes all the buffers to mirror
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;; the scrolling. It hooks into the post-command-hook to check for
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;; potential scrolling commands and if we're locked, mirrors them in all
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;; windows. This allows us to grab line-at-a-time scrolling as well as
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;; screen-at-a-time scrolling, and doesn't remap any of the keyboard
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;; commands to do it.
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;; You can enable and disable this mode with the 'scroll-all-mode' command.
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;; Suggestions/ideas from:
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;; Rick Macdonald <rickm@vsl.com>
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;; Anders Lindgren
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;;; Code:
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(defun scroll-all-function-all (func arg)
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"Apply function FUNC with argument ARG to all visible windows."
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(let ((num-windows (count-windows))
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(count 1))
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(when (> num-windows 1)
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(other-window 1)
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(while (< count num-windows)
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(condition-case nil
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(funcall func arg)
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;; Ignore beginning- or end-of-buffer error in other windows.
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(error nil))
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(other-window 1)
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(setq count (1+ count))))))
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(defun scroll-all-scroll-down-all (arg)
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"Scroll down ARG lines in all visible windows."
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(interactive "p")
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(scroll-all-function-all 'next-line arg))
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(defun scroll-all-scroll-up-all (arg)
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"Scroll up ARG lines in all visible windows."
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(interactive "p")
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(scroll-all-function-all 'previous-line arg))
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(defun scroll-all-page-down-all (arg)
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"Page down in all visible windows.
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ARG is like in `scroll-up'."
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(interactive "P")
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(scroll-all-function-all 'scroll-up arg))
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(defun scroll-all-page-up-all (arg)
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"Page up in all visible windows.
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ARG is like in `scroll-down'."
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(interactive "P")
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(scroll-all-function-all 'scroll-down arg))
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(defun scroll-all-beginning-of-buffer-all (arg)
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"Go to the beginning of the buffer in all visible windows.
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ARG is like in `beginning-of-buffer'."
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(interactive "P")
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(scroll-all-function-all 'beginning-of-buffer arg))
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(defun scroll-all-end-of-buffer-all (arg)
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"Go to the end of the buffer in all visible windows.
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ARG is like in `end-of-buffer'."
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(interactive "P")
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(scroll-all-function-all 'end-of-buffer arg))
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(defun scroll-all-check-to-scroll ()
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"Check `this-command' to see if a scroll is to be done."
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(cond ((eq this-command 'next-line)
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(call-interactively 'scroll-all-scroll-down-all))
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((eq this-command 'previous-line)
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(call-interactively 'scroll-all-scroll-up-all))
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((memq this-command '(scroll-up scroll-up-command))
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(call-interactively 'scroll-all-page-down-all))
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((memq this-command '(scroll-down scroll-down-command))
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(call-interactively 'scroll-all-page-up-all))
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((eq this-command 'beginning-of-buffer)
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(call-interactively 'scroll-all-beginning-of-buffer-all))
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((eq this-command 'end-of-buffer)
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(call-interactively 'scroll-all-end-of-buffer-all))))
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;;;###autoload
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(define-minor-mode scroll-all-mode
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"Toggle shared scrolling in same-frame windows (Scroll-All mode).
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When Scroll-All mode is enabled, scrolling commands invoked in
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one window apply to all visible windows in the same frame."
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:lighter " *SL*"
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:global t
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:group 'windows
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(if scroll-all-mode
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(add-hook 'post-command-hook 'scroll-all-check-to-scroll)
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(remove-hook 'post-command-hook 'scroll-all-check-to-scroll)))
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(provide 'scroll-all)
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;;; scroll-all.el ends here
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