;; GNU Emacs 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)
+;; the Free Software Foundation; either version 3, or (at your option)
;; any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; The feeling of a "virtual window" has been accomplished by the use
;; of two major techniques:
;;
-;; * The windows always displays adjacent sections of the buffer.
+;; * The windows always display adjacent sections of the buffer.
;; This means that whenever one window is moved, all the
-;; others will follow. (Hence the name Follow Mode.)
+;; others will follow. (Hence the name Follow mode.)
;;
;; * Should the point (cursor) end up outside a window, another
;; window displaying that point is selected, if possible. This
;;
;; Follow mode comes to its prime when a large screen and two
;; side-by-side window are used. The user can, with the help of Follow
-;; mode, use two full-height windows as though they would have been
-;; one. Imagine yourself editing a large function, or section of text,
+;; mode, use two full-height windows as though they are one.
+;; Imagine yourself editing a large function, or section of text,
;; and being able to use 144 lines instead of the normal 72... (your
;; mileage may vary).
;;
;; As you can see, the right-hand window starts at line 73, the line
;; immediately below the end of the left-hand window. As long as
-;; `follow-mode' is active, the two windows will follow eachother!
+;; `follow-mode' is active, the two windows will follow each other!
;;
;; * Play around and enjoy! Scroll one window and watch the other.
;; Jump to the beginning or end. Press `Cursor down' at the last
;; (global-set-key [f7] 'follow-delete-other-windows-and-split)
-;; There exists two system variables that controls the appearence of
-;; lines that are wider than the window containing them. The default
-;; is to truncate long lines whenever a window isn't as wide as the
-;; frame.
+;; There exist two system variables that control the appearence of
+;; lines wider than the window containing them. The default is to
+;; truncate long lines whenever a window isn't as wide as the frame.
;;
;; To make sure lines are never truncated, please place the following
;; lines in your init file:
;; The correct way to cofigurate Follow mode, or any other mode for
-;; that matter, is to create one (or more) function that does
-;; whatever you would like to do. The function is then added to
+;; that matter, is to create one or more functions that do
+;; whatever you would like to do. These functions are then added to
;; a hook.
;;
;; When `Follow' mode is activated, functions stored in the hook
;; Usage:
;;
-;; To activate issue the command "M-x follow-mode"
-;; and press return. To deactivate, do it again.
+;; To activate, issue the command "M-x follow-mode"
+;; and press Return. To deactivate, do it again.
;;
;; The following is a list of commands useful when follow-mode is active.
;;
;; follow-scroll-up C-c . C-v
-;; Scroll text in a Follow Mode window chain up.
+;; Scroll text in a Follow mode window chain up.
;;
;; follow-scroll-down C-c . v
;; Like `follow-scroll-up', but in the other direction.
;;
;; follow-delete-other-windows-and-split C-c . 1
-;; Maximise the visible area of the current buffer,
-;; and enter Follow Mode. This is a very convenient
-;; way to start Follow Mode, hence it is recomended
-;; that this command is added to the global keymap.
+;; Maximize the visible area of the current buffer,
+;; and enter Follow mode. This is a very convenient
+;; way to start Follow mode, hence we recomend that
+;; this command be added to the global keymap.
;;
;; follow-recenter C-c . C-l
;; Place the point in the center of the middle window,
;; in this frame.
;;
;; follow-switch-to-buffer-all C-c . C-b
-;; Switch buffer in all windows in the active frame.
+;; Switch buffer in all windows in the selected frame.
;;
;; follow-switch-to-current-buffer-all
;; Show the current buffer in all windows on the current
;;
;; In an ideal world, follow mode would have been implemented in the
;; kernel of the display routines, making sure that the windows (using
-;; follow mode) ALWAYS are aligned. On planet earth, however, we must
+;; follow mode) ALWAYS are aligned. On planet Earth, however, we must
;; accept a solution where we ALMOST ALWAYS can make sure that the
;; windows are aligned.
;;
;; Should someone come up with a better solution, please let me
;; know.
+(require 'easymenu)
+
(eval-when-compile
(if (or (featurep 'bytecomp)
(featurep 'byte-compile))
:group 'convenience)
(defcustom follow-mode-hook nil
- "Hooks to run when follow-mode is turned on."
+ "Normal hook run by `follow-mode'."
:type 'hook
:group 'follow)
(defcustom follow-mode-off-hook nil
- "Hooks to run when follow-mode is turned off."
+ "Hooks to run when Follow mode is turned off."
:type 'hook
:group 'follow)
-
+(make-obsolete-variable 'follow-mode-off-hook 'follow-mode-hook "22.2")
;;{{{ Keymap/Menu
(define-key mainmap follow-mode-prefix map)
- ;; Replace the standard `end-of-buffer', when in Follow Mode. (I
+ ;; Replace the standard `end-of-buffer', when in Follow mode. (I
;; don't see the point in trying to replace every function that
;; could be enhanced in Follow mode. End-of-buffer is a special
;; case since it is very simple to define and it greatly enhances
;; the look and feel of Follow mode.)
(define-key mainmap [remap end-of-buffer] 'follow-end-of-buffer)
- ;;
- ;; The menu.
- ;;
-
- (if (not (featurep 'xemacs))
-
- ;;
- ;; Emacs
- ;;
- (let ((menumap (funcall (symbol-function 'make-sparse-keymap)
- "Follow"))
- (count 0)
- id)
- (mapcar
- (function
- (lambda (item)
- (setq id
- (or (cdr item)
- (progn
- (setq count (+ count 1))
- (intern (format "separator-%d" count)))))
- (define-key menumap (vector id) item)
- (or (eq id 'follow-mode)
- (put id 'menu-enable 'follow-mode))))
- ;; In reverse order:
- '(("Toggle Follow mode" . follow-mode)
- ("--")
- ("Recenter" . follow-recenter)
- ("--")
- ("Previous Window" . follow-previous-window)
- ("Next Windows" . follow-next-window)
- ("Last Window" . follow-last-window)
- ("First Window" . follow-first-window)
- ("--")
- ("Switch To Buffer (all windows)"
- . follow-switch-to-buffer-all)
- ("Switch To Buffer" . follow-switch-to-buffer)
- ("--")
- ("Delete Other Windows and Split"
- . follow-delete-other-windows-and-split)
- ("--")
- ("Scroll Down" . follow-scroll-down)
- ("Scroll Up" . follow-scroll-up)))
-
- ;; If there is a `tools' menu, we use it. However, we can't add a
- ;; minor-mode specific item to it (it's broken), so we make the
- ;; contents ghosted when not in use, and add ourselves to the
- ;; global map. If no `tools' menu is present, just make a
- ;; top-level menu visible when the mode is activated.
-
- (let ((tools-map (lookup-key (current-global-map) [menu-bar tools]))
- (last nil))
- (if (sequencep tools-map)
- (progn
- ;; Find the last entry in the menu and store it in `last'.
- (mapcar (function
- (lambda (x)
- (setq last (or (cdr-safe
- (cdr-safe
- (cdr-safe x)))
- last))))
- tools-map)
- (if last
- (progn
- (funcall (symbol-function 'define-key-after)
- tools-map [separator-follow] '("--") last)
- (funcall (symbol-function 'define-key-after)
- tools-map [follow] (cons "Follow" menumap)
- 'separator-follow))
- ;; Didn't find the last item, Adding to the top of
- ;; tools. (This will probably never happend...)
- (define-key (current-global-map) [menu-bar tools follow]
- (cons "Follow" menumap))))
- ;; No tools menu, add "Follow" to the menubar.
- (define-key mainmap [menu-bar follow]
- (cons "Follow" menumap)))))
-
- ;;
- ;; XEmacs.
- ;;
-
- ;; place the menu in the `Tools' menu.
- (let ((menu '("Follow"
- :filter follow-menu-filter
- ["Scroll Up" follow-scroll-up t]
- ["Scroll Down" follow-scroll-down t]
- ["Delete Other Windows and Split"
- follow-delete-other-windows-and-split t]
- ["Switch To Buffer" follow-switch-to-buffer t]
- ["Switch To Buffer (all windows)"
- follow-switch-to-buffer-all t]
- ["First Window" follow-first-window t]
- ["Last Window" follow-last-window t]
- ["Next Windows" follow-next-window t]
- ["Previous Window" follow-previous-window t]
- ["Recenter" follow-recenter t]
- ["Deactivate" follow-mode t])))
-
- ;; Why not just `(set-buffer-menubar current-menubar)'? The
- ;; question is a very good question. The reason is that under
- ;; Emacs, neither `set-buffer-menubar' nor
- ;; `current-menubar' is defined, hence the byte-compiler will
- ;; warn.
- (funcall (symbol-function 'set-buffer-menubar)
- (symbol-value 'current-menubar))
- (funcall (symbol-function 'add-submenu) '("Tools") menu))
-
- ;; When the mode is not activated, only one item is visible:
- ;; "Activate".
- (defun follow-menu-filter (menu)
- (if follow-mode
- menu
- '(["Activate " follow-mode t]))))
-
mainmap)
"Minor mode keymap for Follow mode.")
+;; When the mode is not activated, only one item is visible to activate
+;; the mode.
+(defun follow-menu-filter (menu)
+ (if (bound-and-true-p follow-mode)
+ menu
+ '(["Follow mode" follow-mode
+ :style toggle :selected follow-mode])))
+
+;; If there is a `tools' menu, we use it. However, we can't add a
+;; minor-mode specific item to it (it's broken), so we make the
+;; contents ghosted when not in use, and add ourselves to the
+;; global map.
+(easy-menu-add-item nil '("Tools")
+ '("Follow"
+ ;; The Emacs code used to just grey out operations when follow-mode was
+ ;; not enabled, whereas the XEmacs code used to remove it altogether.
+ ;; Not sure which is preferable, but clearly the preference should not
+ ;; depend on the flavor.
+ :filter follow-menu-filter
+ ["Scroll Up" follow-scroll-up follow-mode]
+ ["Scroll Down" follow-scroll-down follow-mode]
+ "--"
+ ["Delete Other Windows and Split" follow-delete-other-windows-and-split follow-mode]
+ "--"
+ ["Switch To Buffer" follow-switch-to-buffer follow-mode]
+ ["Switch To Buffer (all windows)" follow-switch-to-buffer-all follow-mode]
+ "--"
+ ["First Window" follow-first-window follow-mode]
+ ["Last Window" follow-last-window follow-mode]
+ ["Next Window" follow-next-window follow-mode]
+ ["Previous Window" follow-previous-window follow-mode]
+ "--"
+ ["Recenter" follow-recenter follow-mode]
+ "--"
+ ["Follow mode" follow-mode :style toggle :selected follow-mode]))
+
;;}}}
(defcustom follow-mode-line-text " Follow"
:group 'follow)
(defcustom follow-intercept-processes (fboundp 'start-process)
- "When non-nil, Follow Mode will monitor process output."
+ "When non-nil, Follow mode will monitor process output."
:type 'boolean
:group 'follow)
A \"tail window\" is a window that displays only the end of
the buffer. Normally it is practical for the user that empty
windows are recentered automatically. However, when using
-Follow Mode it breaks the display when the end is displayed
+Follow mode it breaks the display when the end is displayed
in a window \"above\" the last window. This is for
example the case when displaying a short page in info.
-Must be set before Follow Mode is loaded.
+Must be set before Follow mode is loaded.
Please note that it is not possible to fully prevent Emacs from
recentering empty windows. Please report if you find a repeatable
;;;###autoload
(defun turn-on-follow-mode ()
"Turn on Follow mode. Please see the function `follow-mode'."
- (interactive)
(follow-mode 1))
;;;###autoload
(defun turn-off-follow-mode ()
"Turn off Follow mode. Please see the function `follow-mode'."
- (interactive)
(follow-mode -1))
(put 'follow-mode 'permanent-local t)
* The windows always displays adjacent sections of the buffer.
This means that whenever one window is moved, all the
- others will follow. (Hence the name Follow Mode.)
+ others will follow. (Hence the name Follow mode.)
* Should the point (cursor) end up outside a window, another
window displaying that point is selected, if possible. This
movement commands.
Follow mode comes to its prime when used on a large screen and two
-side-by-side window are used. The user can, with the help of Follow
+side-by-side windows are used. The user can, with the help of Follow
mode, use two full-height windows as though they would have been
-one. Imagine yourself editing a large function, or section of text,
+one. Imagine yourself editing a large function, or section of text,
and being able to use 144 lines instead of the normal 72... (your
mileage may vary).
`\\[split-window-horizontally]' or \
`M-x follow-delete-other-windows-and-split' can be used.
-Only windows displayed in the same frame follow each-other.
+Only windows displayed in the same frame follow each other.
If the variable `follow-intercept-processes' is non-nil, Follow mode
will listen to the output of processes and redisplay accordingly.
\(This is the default.)
-When Follow mode is switched on, the hook `follow-mode-hook'
-is called. When turned off, `follow-mode-off-hook' is called.
+This command runs the normal hook `follow-mode-hook'.
Keys specific to Follow mode:
\\{follow-mode-map}"
:keymap follow-mode-map
- (if (and follow-mode follow-intercept-processes)
- (follow-intercept-process-output))
+ (when (and follow-mode follow-intercept-processes)
+ (follow-intercept-process-output))
(cond (follow-mode ; On
;; XEmacs: If this is non-nil, the window will scroll before
;; the point will have a chance to get into the next window.
- (if (boundp 'scroll-on-clipped-lines)
- (setq scroll-on-clipped-lines nil))
+ (when (boundp 'scroll-on-clipped-lines)
+ (setq scroll-on-clipped-lines nil))
(force-mode-line-update)
- (add-hook 'post-command-hook 'follow-post-command-hook t)
- (run-hooks 'follow-mode-hook))
+ (add-hook 'post-command-hook 'follow-post-command-hook t))
((not follow-mode) ; Off
- (force-mode-line-update)
- (run-hooks 'follow-mode-off-hook))))
+ (force-mode-line-update))))
;;}}}
;;{{{ Find file hook
(add-hook 'find-file-hook 'follow-find-file-hook t)
(defun follow-find-file-hook ()
- "Find-file hook for Follow Mode. See the variable `follow-auto'."
+ "Find-file hook for Follow mode. See the variable `follow-auto'."
(if follow-auto (follow-mode t)))
;;}}}
;;{{{ Scroll
-;; `scroll-up' and `-down', but for windows in Follow Mode.
+;; `scroll-up' and `-down', but for windows in Follow mode.
;;
;; Almost like the real thing, excpet when the cursor ends up outside
;; the top or bottom... In our case however, we end up outside the
;; good redisplay abstraction.)
(defun follow-scroll-up (&optional arg)
- "Scroll text in a Follow Mode window chain up.
+ "Scroll text in a Follow mode window chain up.
If called with no ARG, the `next-screen-context-lines' last lines of
the bottom window in the chain will be visible in the top window.
If called with an argument, scroll ARG lines up.
Negative ARG means scroll downward.
-Works like `scroll-up' when not in Follow Mode."
+Works like `scroll-up' when not in Follow mode."
(interactive "P")
(cond ((not (and (boundp 'follow-mode) follow-mode))
(scroll-up arg))
(defun follow-scroll-down (&optional arg)
- "Scroll text in a Follow Mode window chain down.
+ "Scroll text in a Follow mode window chain down.
If called with no ARG, the `next-screen-context-lines' top lines of
the top window in the chain will be visible in the bottom window.
If called with an argument, scroll ARG lines down.
Negative ARG means scroll upward.
-Works like `scroll-up' when not in Follow Mode."
+Works like `scroll-up' when not in Follow mode."
(interactive "P")
(cond ((not (and (boundp 'follow-mode) follow-mode))
(scroll-up arg))
;;;###autoload
(defun follow-delete-other-windows-and-split (&optional arg)
- "Create two side by side windows and enter Follow Mode.
+ "Create two side by side windows and enter Follow mode.
Execute this command to display as much as possible of the text
in the selected window. All other windows, in the current
frame, are deleted and the selected window is split in two
-side-by-side windows. Follow Mode is activated, hence the
+side-by-side windows. Follow mode is activated, hence the
two windows always will display two successive pages.
\(If one window is moved, the other one will follow.)
-If ARG is positive, the leftmost window is selected. If it negative,
+If ARG is positive, the leftmost window is selected. If negative,
the rightmost is selected. If ARG is nil, the leftmost window is
selected if the original window is the first one in the frame.
(follow-mode 1)))
(defun follow-switch-to-buffer (buffer)
- "Show BUFFER in all windows in the current Follow Mode window chain."
+ "Show BUFFER in all windows in the current Follow mode window chain."
(interactive "BSwitch to Buffer: ")
(let ((orig-window (selected-window))
(windows (follow-all-followers)))
(defun follow-switch-to-current-buffer-all ()
- "Show current buffer in all windows on this frame, and enter Follow Mode.
+ "Show current buffer in all windows on this frame, and enter Follow mode.
To bind this command to a hotkey place the following line
in your `~/.emacs' file:
;;}}}
;;{{{ Movement
-;; Note, these functions are not very useful, atleast not unless you
+;; Note, these functions are not very useful, at least not unless you
;; rebind the rather cumbersome key sequence `C-c . p'.
(defun follow-next-window ()
Rearrange all other windows around the middle window.
With a positive argument, place the current line ARG lines
-from the top. With a negative, place it -ARG lines from the
-bottom."
+from the top. With a negative argument, place it -ARG lines
+from the bottom."
(interactive "P")
(if arg
(let ((p (point))
;;{{{ End of buffer
(defun follow-end-of-buffer (&optional arg)
- "Move point to the end of the buffer, Follow Mode style.
+ "Move point to the end of the buffer, Follow mode style.
If the end is not visible, it will be displayed in the last possible
-window in the Follow Mode window chain.
+window in the Follow mode window chain.
The mark is left at the previous position. With arg N, put point N/10
of the way from the true end."
;; should start at a full screen line.
(defsubst follow-windows-aligned-p (win-start-end)
- "Non-nil if the follower WINDOWS are aligned."
+ "Non-nil if the follower windows are aligned."
(let ((res t))
(save-excursion
(goto-char (window-start (car (car win-start-end))))
;; no one will be recentered.)
(defun follow-point-visible-all-windows-p (win-start-end)
- "Non-nil when the window-point is visible in all windows."
+ "Non-nil when the `window-point' is visible in all windows."
(let ((res t))
(while (and res win-start-end)
(setq res (follow-pos-visible (window-point (car (car win-start-end)))
(defun follow-redisplay (&optional windows win)
"Reposition the WINDOWS around WIN.
Should the point be too close to the roof we redisplay everything
-from the top. WINDOWS should contain a list of windows to
+from the top. WINDOWS should contain a list of windows to
redisplay, it is assumed that WIN is a member of the list.
Should WINDOWS be nil, the windows displaying the
same buffer as WIN, in the current frame, are used.
(defun follow-estimate-first-window-start (windows win start)
"Estimate the position of the first window.
-Returns (EXACT . POS). If EXACT is non-nil, POS is the starting
-position of the first window. Otherwise it is a good guess."
+Returns (EXACT . POS). If EXACT is non-nil, POS is the starting
+position of the first window. Otherwise it is a good guess."
(let ((pred (car (follow-split-followers windows win)))
(exact nil))
(save-excursion
(let ((done nil)
win-start
res)
- ;; Always calculate what happend when no line is displayed in the first
+ ;; Always calculate what happens when no line is displayed in the first
;; window. (The `previous' res is needed below!)
(goto-char guess)
(vertical-motion 0 (car windows))
"Make sure windows displaying the end of a buffer aren't recentered.
This is done by reading and rewriting the start position of
-non-first windows in Follow Mode."
+non-first windows in Follow mode."
(if follow-avoid-tail-recenter-p
(let* ((orig-buffer (current-buffer))
(top (frame-first-window (selected-frame)))
(setq win-start-end (follow-windows-start-end windows))
(follow-invalidate-cache)
;; When the point ends up in another window. This
- ;; happends when dest is in the beginning of the
+ ;; happens when dest is in the beginning of the
;; file and the selected window is not the first.
- ;; It can also, in rare situations happend when
+ ;; It can also, in rare situations happen when
;; long lines are used and there is a big
;; difference between the width of the windows.
;; (When scrolling one line in a wide window which
(after
,(intern (concat "follow-" (symbol-name (car cmds))))
activate)
- "Adviced by Follow Mode."
+ "Adviced by Follow mode."
(follow-redraw-after-event (ad-get-arg 0))))
(setq cmds (cdr cmds))))
(defun follow-xemacs-scrollbar-support (window)
"Redraw windows showing the same buffer as shown in WINDOW.
WINDOW is either the dragged window, or a cons containing the
-window as its first element. This is called while the user drags
+window as its first element. This is called while the user drags
the scrollbar.
WINDOW can be an object or a window."
;; filter...
(defadvice set-process-filter (before follow-set-process-filter activate)
- "Ensure process output will be displayed correctly in Follow Mode buffers.
+ "Ensure process output will be displayed correctly in Follow mode buffers.
-Follow Mode inserts its own process filter to do its
+Follow mode inserts its own process filter to do its
magic stuff before the real process filter is called."
(if follow-intercept-processes
(progn
(defun follow-intercept-process-output ()
"Intercept all active processes.
-This is needed so that Follow Mode can track all display events in the
-system. (See `follow-mode')"
+This is needed so that Follow mode can track all display events in the
+system. (See `follow-mode'.)"
(interactive)
(let ((list (process-list)))
(while list
(defun follow-stop-intercept-process-output ()
- "Stop Follow Mode from spying on processes.
+ "Stop Follow mode from spying on processes.
All current spypoints are removed and no new will be added.
report this using the `report-emacs-bug' function."
(interactive)
(follow-tidy-process-filter-alist)
- (let ((list (process-list)))
- (while list
- (if (eq (process-filter (car list)) 'follow-generic-filter)
- (progn
- (follow-call-set-process-filter
- (car list)
- (cdr-safe (assq (car list) follow-process-filter-alist)))
- (setq follow-process-filter-alist
- (delq (assq (car list) follow-process-filter-alist)
- follow-process-filter-alist))))
- (setq list (cdr list))))
+ (dolist (process (process-list))
+ (when (eq (follow-call-process-filter process) 'follow-generic-filter)
+ (follow-call-set-process-filter
+ process
+ (cdr-safe (assq process follow-process-filter-alist)))
+ (setq follow-process-filter-alist
+ (delq (assq process follow-process-filter-alist)
+ follow-process-filter-alist))))
(setq follow-intercept-processes nil))
;;}}}
(follow-invalidate-cache)
;; Normally, if the display has been changed, it is redrawn. All
- ;; windows showing only the end of a buffer is unconditionally
- ;; recentered, we can't prevent it by calling
+ ;; windows showing only the end of a buffer are unconditionally
+ ;; recentered; we can't prevent that by calling
;; `follow-avoid-tail-recenter'.
;;
- ;; By performing a redisplay on our own, Emacs need not perform
- ;; the above described redisplay. (However, bu performing it when
- ;; there are input available just seems to make things worse.)
+ ;; We force a redisplay here on our own, so Emacs does need to.
+ ;; (However, redisplaying when there's input available just seems
+ ;; to make things worse, so we exclude that case.)
(if (and follow-avoid-tail-recenter-p
(not (input-pending-p)))
(sit-for 0)))
(defun follow-window-size-change (frame)
"Redraw all windows in FRAME, when in Follow mode."
- ;; Below, we call `post-command-hook'. This makes sure that we
- ;; doesn't start a mutally recursive endless loop.
+ ;; Below, we call `post-command-hook'. This makes sure that we
+ ;; don't start a mutually recursive endless loop.
(if follow-inside-post-command-hook
nil
(let ((buffers '())
(setq windows (follow-all-followers win))
(if (memq orig-window windows)
(progn
- ;; Make sure we're redrawing around the
- ;; selected window.
- ;;
- ;; We must be really careful not to do this
- ;; when we are (indirectly) called by
- ;; `post-command-hook'.
+ ;; Make sure we're redrawing around the
+ ;; selected window.
+ ;;
+ ;; We must be really careful not to do this
+ ;; when we are (indirectly) called by
+ ;; `post-command-hook'.
(select-window orig-window)
(follow-post-command-hook)
(setq orig-window (selected-window)))
;;{{{ Tail window handling
;; In Emacs (not XEmacs) windows showing nothing are sometimes
-;; recentered. When in Follow Mode, this is not desireable for
+;; recentered. When in Follow mode, this is not desirable for
;; non-first windows in the window chain. This section tries to
;; make the windows stay where they should be.
;;
(if follow-avoid-tail-recenter-p
(defadvice sit-for (before follow-sit-for activate)
- "Adviced by Follow Mode.
+ "Adviced by Follow mode.
Avoid to recenter windows displaying only the end of a file as when
-displaying a short file in two windows, using Follow Mode."
+displaying a short file in two windows, using Follow mode."
(follow-avoid-tail-recenter)))
(if (and follow-avoid-tail-recenter-p
(fboundp 'move-overlay))
(defadvice move-overlay (before follow-move-overlay activate)
- "Adviced by Follow Mode.
+ "Adviced by Follow mode.
Don't recenter windows showing only the end of a buffer.
This prevents `mouse-drag-region' from messing things up."
(follow-avoid-tail-recenter)))
;;{{{ The end
+(defun follow-unload-function ()
+ "Unload Follow mode library."
+ (easy-menu-remove-item nil '("Tools") "Follow")
+ (follow-stop-intercept-process-output)
+ (dolist (group '((before
+ ;; XEmacs
+ isearch-done
+ ;; both
+ set-process-filter sit-for move-overlay)
+ (after
+ ;; Emacs
+ scroll-bar-drag scroll-bar-drag-1 scroll-bar-scroll-down
+ scroll-bar-scroll-up scroll-bar-set-window-start
+ ;; XEmacs
+ scrollbar-line-down scrollbar-line-up scrollbar-page-down
+ scrollbar-page-up scrollbar-to-bottom scrollbar-to-top
+ scrollbar-vertical-drag
+ ;; both
+ process-filter)))
+ (let ((class (car group)))
+ (dolist (fun (cdr group))
+ (when (functionp fun)
+ (condition-case nil
+ (progn
+ (ad-remove-advice fun class
+ (intern (concat "follow-" (symbol-name fun))))
+ (ad-update fun))
+ (error nil))))))
+ ;; continue standard processing
+ nil)
+
;;
;; We're done!
;;
HCoop / bpt / emacs.git / blobdiff