;;; ediff-wind.el --- window manipulation utilities
-;; Copyright (C) 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
+;; Copyright (C) 1994, 95, 96, 97, 2000, 01, 02 Free Software Foundation, Inc.
-;; Author: Michael Kifer <kifer@cs.sunysb.edu>
+;; Author: Michael Kifer <kifer@cs.stonybrook.edu>
;; This file is part of GNU Emacs.
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
+;;; Commentary:
+
;;; Code:
-
+
(provide 'ediff-wind)
;; Compiler pacifier
(defvar left-toolbar-width)
(defvar right-toolbar-width)
(defvar default-menubar)
+(defvar top-gutter)
(defvar frame-icon-title-format)
(defvar ediff-diff-status)
(defvar ediff-emacs-p)
Buffer C may not be used in jobs that compare only two buffers.
If you plan to do something fancy, take a close look at how the two
provided functions are written."
- :type 'function
+ :type '(choice (const :tag "Multi Frame" ediff-setup-windows-multiframe)
+ (const :tag "Single Frame" ediff-setup-windows-plain)
+ (function :tag "Other function"))
:group 'ediff-window)
;; indicates if we are in a multiframe setup
'(user-position . t) ; Emacs only
'(vertical-scroll-bars . nil) ; Emacs only
'(scrollbar-width . 0) ; XEmacs only
+ '(scrollbar-height . 0) ; XEmacs only
'(menu-bar-lines . 0) ; Emacs only
- '(tool-bar-lines . 0) ; Emacs 21+ only
- ;; don't lower and auto-raise
+ '(tool-bar-lines . 0) ; Emacs 21+ only
+ ;; don't lower but auto-raise
'(auto-lower . nil)
'(auto-raise . t)
'(visibility . nil)
(beep 1))
(message "Please click on Window %d " wind-number))
(ediff-read-event) ; discard event
- (setq wind (if ediff-xemacs-p
- (event-window event)
- (posn-window (event-start event))))
+ (setq wind (ediff-cond-compile-for-xemacs-or-emacs
+ (event-window event) ; xemacs
+ (posn-window (event-start event)) ; emacs
+ )
+ )
))
-
+
;; Select the lowest window on the frame.
(defun ediff-select-lowest-window ()
- (if ediff-xemacs-p
- (select-window (frame-lowest-window))
- (let* ((lowest-window (selected-window))
- (bottom-edge (car (cdr (cdr (cdr (window-edges))))))
- (last-window (save-excursion
- (other-window -1) (selected-window)))
- (window-search t))
- (while window-search
- (let* ((this-window (next-window))
- (next-bottom-edge
- (car (cdr (cdr (cdr (window-edges this-window)))))))
- (if (< bottom-edge next-bottom-edge)
- (progn
- (setq bottom-edge next-bottom-edge)
- (setq lowest-window this-window)))
-
- (select-window this-window)
- (if (eq last-window this-window)
- (progn
- (select-window lowest-window)
- (setq window-search nil))))))))
+ (ediff-cond-compile-for-xemacs-or-emacs
+ (select-window (frame-lowest-window)) ; xemacs
+ ;; emacs
+ (let* ((lowest-window (selected-window))
+ (bottom-edge (car (cdr (cdr (cdr (window-edges))))))
+ (last-window (save-excursion
+ (other-window -1) (selected-window)))
+ (window-search t))
+ (while window-search
+ (let* ((this-window (next-window))
+ (next-bottom-edge
+ (car (cdr (cdr (cdr (window-edges this-window)))))))
+ (if (< bottom-edge next-bottom-edge)
+ (progn
+ (setq bottom-edge next-bottom-edge)
+ (setq lowest-window this-window)))
+
+ (select-window this-window)
+ (if (eq last-window this-window)
+ (progn
+ (select-window lowest-window)
+ (setq window-search nil))))))
+ ))
;;; Common window setup routines
(run-hooks 'ediff-before-setup-windows-hook)
(if (eq (selected-window) (minibuffer-window))
(other-window 1))
-
+
;; in case user did a no-no on a tty
(or (ediff-window-display-p)
(setq ediff-window-setup-function 'ediff-setup-windows-plain))
-
+
(or (ediff-keep-window-config control-buffer)
(funcall
(ediff-with-current-buffer control-buffer ediff-window-setup-function)
buffer-A buffer-B buffer-C control-buffer)
(ediff-setup-windows-plain-compare
buffer-A buffer-B buffer-C control-buffer)))
-
+
(defun ediff-setup-windows-plain-merge (buf-A buf-B buf-C control-buffer)
;; skip dedicated and unsplittable frames
(ediff-destroy-control-frame control-buffer)
(split-window-vertically)
(ediff-select-lowest-window)
(ediff-setup-control-buffer control-buffer)
-
+
;; go to the upper window and split it betw A, B, and possibly C
(other-window 1)
(setq merge-window-lines
(max 2 (round (* (window-height) merge-window-share))))
(switch-to-buffer buf-A)
(setq wind-A (selected-window))
-
+
;; XEmacs used to have a lot of trouble with display
;; It did't set things right unless we tell it to sit still
;; 19.12 seems ok.
;;(if ediff-xemacs-p (sit-for 0))
-
+
(split-window-vertically (max 2 (- (window-height) merge-window-lines)))
(if (eq (selected-window) wind-A)
(other-window 1))
(setq wind-C (selected-window))
(switch-to-buffer buf-C)
-
+
(select-window wind-A)
(funcall split-window-function)
-
+
(if (eq (selected-window) wind-A)
(other-window 1))
(switch-to-buffer buf-B)
(setq wind-B (selected-window))
-
+
(ediff-with-current-buffer control-buffer
(setq ediff-window-A wind-A
ediff-window-B wind-B
ediff-window-C wind-C))
-
+
(ediff-select-lowest-window)
(ediff-setup-control-buffer control-buffer)
))
-
+
;; This function handles all comparison jobs, including 3way jobs
(defun ediff-setup-windows-plain-compare (buf-A buf-B buf-C control-buffer)
;; skip dedicated and unsplittable frames
(split-window-vertically)
(ediff-select-lowest-window)
(ediff-setup-control-buffer control-buffer)
-
+
;; go to the upper window and split it betw A, B, and possibly C
(other-window 1)
(switch-to-buffer buf-A)
(window-height wind-A)
(window-width wind-A))
3)))
-
+
;; XEmacs used to have a lot of trouble with display
;; It did't set things right unless we told it to sit still
;; 19.12 seems ok.
;;(if ediff-xemacs-p (sit-for 0))
-
+
(funcall split-window-function wind-width-or-height)
-
+
(if (eq (selected-window) wind-A)
(other-window 1))
(switch-to-buffer buf-B)
(setq wind-B (selected-window))
-
+
(if three-way-comparison
(progn
(funcall split-window-function) ; equally
(other-window 1))
(switch-to-buffer buf-C)
(setq wind-C (selected-window))))
-
+
(ediff-with-current-buffer control-buffer
(setq ediff-window-A wind-A
ediff-window-B wind-B
ediff-window-C wind-C))
-
+
;; It is unlikely that we will want to implement 3way window comparison.
;; So, only buffers A and B are used here.
(if ediff-windows-job
(progn
(set-window-start wind-A wind-A-start)
(set-window-start wind-B wind-B-start)))
-
+
(ediff-select-lowest-window)
(ediff-setup-control-buffer control-buffer)
))
-
+
;; dispatch an appropriate window setup function
(defun ediff-setup-windows-multiframe (buf-A buf-B buf-C control-buf)
(ediff-with-current-buffer control-buf
(if ediff-merge-job
(ediff-setup-windows-multiframe-merge buf-A buf-B buf-C control-buf)
(ediff-setup-windows-multiframe-compare buf-A buf-B buf-C control-buf)))
-
+
(defun ediff-setup-windows-multiframe-merge (buf-A buf-B buf-C control-buf)
;;; Algorithm:
;;; 1. Never use frames that have dedicated windows in them---it is bad to
;; Skip dedicated or iconified frames.
;; Unsplittable frames are taken care of later.
(ediff-skip-unsuitable-frames 'ok-unsplittable)
-
+
(let* ((window-min-height 1)
(wind-A (ediff-get-visible-buffer-window buf-A))
(wind-B (ediff-get-visible-buffer-window buf-B))
merge-window-lines
designated-minibuffer-frame
done-A done-B done-C)
-
+
;; buf-A on its own
(if (and (window-live-p wind-A)
(null use-same-frame) ; implies wind-A is suitable
(delete-other-windows)
(setq wind-A (selected-window))
(setq done-A t)))
-
+
;; buf-B on its own
(if (and (window-live-p wind-B)
(null use-same-frame) ; implies wind-B is suitable
(delete-other-windows)
(setq wind-B (selected-window))
(setq done-B t)))
-
+
;; buf-C on its own
(if (and (window-live-p wind-C)
(ediff-window-ok-for-display wind-C)
(delete-other-windows)
(setq wind-C (selected-window))
(setq done-C t)))
-
+
(if (and use-same-frame-for-AB ; implies wind A and B are suitable
(window-live-p wind-A))
(progn
(select-window wind-A)
(delete-other-windows)
(setq wind-A (selected-window))
-
+
(funcall split-window-function)
(if (eq (selected-window) wind-A)
(other-window 1))
(switch-to-buffer buf-B)
(setq wind-B (selected-window))
-
+
(setq done-A t
done-B t)))
-
+
(if use-same-frame
(let ((window-min-height 1))
(if (and (eq frame-A frame-B)
(max 2 (round (* (window-height) merge-window-share))))
(switch-to-buffer buf-A)
(setq wind-A (selected-window))
-
+
(split-window-vertically
(max 2 (- (window-height) merge-window-lines)))
(if (eq (selected-window) wind-A)
(other-window 1))
(setq wind-C (selected-window))
(switch-to-buffer buf-C)
-
+
(select-window wind-A)
-
+
(funcall split-window-function)
(if (eq (selected-window) wind-A)
(other-window 1))
(switch-to-buffer buf-B)
(setq wind-B (selected-window))
-
+
(setq done-A t
done-B t
done-C t)
))
-
+
(or done-A ; Buf A to be set in its own frame,
;;; or it was set before because use-same-frame = 1
(progn
(switch-to-buffer buf-B)
(setq wind-B (selected-window))
))
-
+
(or done-C ; Buf C to be set in its own frame,
;;; or it was set before because use-same-frame = 1
(progn
(switch-to-buffer buf-C)
(setq wind-C (selected-window))
))
-
+
(ediff-with-current-buffer control-buf
(setq ediff-window-A wind-A
ediff-window-B wind-B
(setq frame-A (window-frame ediff-window-A)
designated-minibuffer-frame
(window-frame (minibuffer-window frame-A))))
-
+
(ediff-setup-control-frame control-buf designated-minibuffer-frame)
))
-
+
;; Window setup for all comparison jobs, including 3way comparisons
(defun ediff-setup-windows-multiframe-compare (buf-A buf-B buf-C control-buf)
;;; Algorithm:
;;; and the selected frame isn't splittable, we create a new frame and
;;; put both buffers there, event if one of this buffers is visible in
;;; another frame.
-
+
;; Skip dedicated or iconified frames.
;; Unsplittable frames are taken care of later.
(ediff-skip-unsuitable-frames 'ok-unsplittable)
-
+
(let* ((window-min-height 1)
(wind-A (ediff-get-visible-buffer-window buf-A))
(wind-B (ediff-get-visible-buffer-window buf-B))
wind-A-start wind-B-start
designated-minibuffer-frame
done-A done-B done-C)
-
+
(ediff-with-current-buffer control-buf
(setq wind-A-start (ediff-overlay-start
(ediff-get-value-according-to-buffer-type
wind-B-start (ediff-overlay-start
(ediff-get-value-according-to-buffer-type
'B ediff-narrow-bounds))))
-
+
(if (and (window-live-p wind-A) (null use-same-frame)) ; buf-A on its own
(progn
;; buffer buf-A is seen in live wind-A
(delete-other-windows)
(setq wind-A (selected-window))
(setq done-A t)))
-
+
(if (and (window-live-p wind-B) (null use-same-frame)) ; buf B on its own
(progn
;; buffer buf-B is seen in live wind-B
(delete-other-windows)
(setq wind-B (selected-window))
(setq done-B t)))
-
+
(if (and (window-live-p wind-C) (null use-same-frame)) ; buf C on its own
(progn
;; buffer buf-C is seen in live wind-C
(delete-other-windows)
(setq wind-C (selected-window))
(setq done-C t)))
-
+
(if use-same-frame
(let (wind-width-or-height) ; this affects 3way setups only
(if (and (eq frame-A frame-B) (frame-live-p frame-A))
(delete-other-windows)
(switch-to-buffer buf-A)
(setq wind-A (selected-window))
-
+
(if three-way-comparison
(setq wind-width-or-height
(/
(window-height wind-A)
(window-width wind-A))
3)))
-
+
(funcall split-window-function wind-width-or-height)
(if (eq (selected-window) wind-A)
(other-window 1))
(switch-to-buffer buf-B)
(setq wind-B (selected-window))
-
+
(if three-way-comparison
(progn
(funcall split-window-function) ; equally
done-B t
done-C t)
))
-
+
(or done-A ; Buf A to be set in its own frame
;;; or it was set before because use-same-frame = 1
(progn
(switch-to-buffer buf-B)
(setq wind-B (selected-window))
))
-
+
(if three-way-comparison
(or done-C ; Buf C to be set in its own frame
;;; or it was set before because use-same-frame = 1
(switch-to-buffer buf-C)
(setq wind-C (selected-window))
)))
-
+
(ediff-with-current-buffer control-buf
(setq ediff-window-A wind-A
ediff-window-B wind-B
ediff-window-C wind-C)
-
+
(setq frame-A (window-frame ediff-window-A)
designated-minibuffer-frame
(window-frame (minibuffer-window frame-A))))
-
+
;; It is unlikely that we'll implement a version of ediff-windows that
;; would compare 3 windows at once. So, we don't use buffer C here.
(if ediff-windows-job
(progn
(set-window-start wind-A wind-A-start)
(set-window-start wind-B wind-B-start)))
-
+
(ediff-setup-control-frame control-buf designated-minibuffer-frame)
))
;; create a new splittable frame if none is found
(defun ediff-skip-unsuitable-frames (&optional ok-unsplittable)
(if (ediff-window-display-p)
- ;;(let (last-window)
- (let (seen-windows)
- ;; (memq ... seen-windows) has quadratic behavior,
- ;; but (eq ... last-window) runs into an emacs bug where next-window
- ;; gets stuck in a loop if the only frame is the minibuffer.
- ;;
- ;;(while (and (not (eq (selected-window) last-window))
+ (let ((wind-frame (window-frame (selected-window)))
+ seen-windows)
(while (and (not (memq (selected-window) seen-windows))
(or
- (ediff-frame-has-dedicated-windows (selected-frame))
- (ediff-frame-iconified-p (selected-frame))
- ;; skip small frames
- (< (frame-height (selected-frame))
- (* 3 window-min-height))
+ (ediff-frame-has-dedicated-windows wind-frame)
+ (ediff-frame-iconified-p wind-frame)
;; skip small windows
- (< (window-height (selected-window))
+ (< (frame-height wind-frame)
(* 3 window-min-height))
(if ok-unsplittable
nil
- (ediff-frame-unsplittable-p (selected-frame)))))
- ;; remember where started
- ;;(or last-window (setq last-window (selected-window)))
+ (ediff-frame-unsplittable-p wind-frame))))
+ ;; remember history
(setq seen-windows (cons (selected-window) seen-windows))
;; try new window
- (other-window 1 t))
- ;;(if (eq (selected-window) last-window)
+ (other-window 1 t)
+ (setq wind-frame (window-frame (selected-window)))
+ )
(if (memq (selected-window) seen-windows)
- ;; fed up, no appropriate frame
- (progn
- (select-frame (make-frame '((unsplittable)))))))))
+ ;; fed up, no appropriate frames
+ (setq wind-frame (make-frame '((unsplittable)))))
+
+ (select-frame wind-frame)
+ )))
(defun ediff-frame-has-dedicated-windows (frame)
- (let ((cur-fr (selected-frame))
- ans)
- (select-frame frame)
- (walk-windows
+ (let (ans)
+ (walk-windows
(lambda (wind) (if (window-dedicated-p wind)
(setq ans t)))
'ignore-minibuffer
frame)
- (select-frame cur-fr)
ans))
;; window is ok, if it is only one window on the frame, not counting the
ctl-frame old-ctl-frame lines
;; user-grabbed-mouse
fheight fwidth adjusted-parameters)
-
+
(ediff-with-current-buffer ctl-buffer
- (if ediff-xemacs-p (set-buffer-menubar nil))
+ (ediff-cond-compile-for-xemacs-or-emacs
+ (set-buffer-menubar nil) ; xemacs
+ nil ; emacs
+ )
;;(setq user-grabbed-mouse (ediff-user-grabbed-mouse))
(run-hooks 'ediff-before-setup-control-frame-hook))
-
+
(setq old-ctl-frame (ediff-with-current-buffer ctl-buffer ediff-control-frame))
(ediff-with-current-buffer ctl-buffer
(setq ctl-frame (if (frame-live-p old-ctl-frame)
(make-frame ediff-control-frame-parameters))
ediff-control-frame ctl-frame)
;; protect against undefined face-attribute
- (condition-case nill
- (when (and ediff-emacs-p (face-attribute 'mode-line :box))
- (set-face-attribute 'mode-line ctl-frame :box nil))
+ (condition-case nil
+ (ediff-cond-compile-for-xemacs-or-emacs
+ nil ; xemacs
+ (when (face-attribute 'mode-line :box)
+ (set-face-attribute 'mode-line ctl-frame :box nil))
+ )
(error))
)
-
+
(setq ctl-frame-iconified-p (ediff-frame-iconified-p ctl-frame))
(select-frame ctl-frame)
(if (window-dedicated-p (selected-window))
()
(delete-other-windows)
(switch-to-buffer ctl-buffer))
-
+
;; must be before ediff-setup-control-buffer
;; just a precaution--we should be in ctl-buffer already
(ediff-with-current-buffer ctl-buffer
(make-local-variable 'frame-title-format)
(make-local-variable 'frame-icon-title-format) ; XEmacs
(make-local-variable 'icon-title-format)) ; Emacs
-
+
(ediff-setup-control-buffer ctl-buffer)
(setq dont-iconify-ctl-frame
(not (string= ediff-help-message ediff-brief-help-message)))
(setq deiconify-ctl-frame
(and (eq this-command 'ediff-toggle-help)
dont-iconify-ctl-frame))
-
+
;; 1 more line for the modeline
(setq lines (1+ (count-lines (point-min) (point-max)))
fheight lines
(cons 'width fwidth)
(cons 'height fheight))
)
- (if ediff-use-long-help-message
- (setq adjusted-parameters
- (cons '(auto-raise . nil) adjusted-parameters)))
-
+
+ ;; adjust autoraise
+ (setq adjusted-parameters
+ (cons (if ediff-use-long-help-message
+ '(auto-raise . nil)
+ '(auto-raise . t))
+ adjusted-parameters))
+
;; In XEmacs, buffer menubar needs to be killed before frame parameters
;; are changed.
(if (ediff-has-toolbar-support-p)
- (progn
- (set-specifier top-toolbar-height (list ctl-frame 2))
- (sit-for 0)
- (set-specifier top-toolbar-height (list ctl-frame 0))
- ;;(set-specifier bottom-toolbar-height (list ctl-frame 0))
- (set-specifier left-toolbar-width (list ctl-frame 0))
- (set-specifier right-toolbar-width (list ctl-frame 0))
- ))
-
+ (ediff-cond-compile-for-xemacs-or-emacs
+ (progn ; xemacs
+ (if (ediff-has-gutter-support-p)
+ (set-specifier top-gutter (list ctl-frame nil)))
+ (sit-for 0)
+ (set-specifier top-toolbar-height (list ctl-frame 0))
+ ;;(set-specifier bottom-toolbar-height (list ctl-frame 0))
+ (set-specifier left-toolbar-width (list ctl-frame 0))
+ (set-specifier right-toolbar-width (list ctl-frame 0))
+ )
+ nil ; emacs
+ )
+ )
+
;; Under OS/2 (emx) we have to call modify frame parameters twice, in order
;; to make sure that at least once we do it for non-iconified frame. If
;; appears that in the OS/2 port of Emacs, one can't modify frame
;; windows-nt.
(if (memq system-type '(emx windows-nt windows-95))
(modify-frame-parameters ctl-frame adjusted-parameters))
-
+
;; make or zap toolbar (if not requested)
(ediff-make-bottom-toolbar ctl-frame)
-
+
(goto-char (point-min))
(modify-frame-parameters ctl-frame adjusted-parameters)
(make-frame-visible ctl-frame)
-
+
;; This works around a bug in 19.25 and earlier. There, if frame gets
;; iconified, the current buffer changes to that of the frame that
;; becomes exposed as a result of this iconification.
;; So, we make sure the current buffer doesn't change.
(select-frame ctl-frame)
(ediff-refresh-control-frame)
-
+
(cond ((and ediff-prefer-iconified-control-frame
(not ctl-frame-iconified-p) (not dont-iconify-ctl-frame))
(iconify-frame ctl-frame))
((or deiconify-ctl-frame (not ctl-frame-iconified-p))
(raise-frame ctl-frame)))
-
+
(set-window-dedicated-p (selected-window) t)
;; Now move the frame. We must do it separately due to an obscure bug in
(modify-frame-parameters
ctl-frame
(funcall ediff-control-frame-position-function ctl-buffer fwidth fheight))
-
+
;; synchronize so the cursor will move to control frame
;; per RMS suggestion
(if (ediff-window-display-p)
(ediff-reset-mouse ctl-frame
(or (eq this-command 'ediff-quit)
(not (eq ediff-grab-mouse t)))))
-
+
(if ediff-xemacs-p
(ediff-with-current-buffer ctl-buffer
- (make-local-hook 'select-frame-hook)
- (add-hook 'select-frame-hook 'ediff-xemacs-select-frame-hook nil t)
+ (ediff-cond-compile-for-xemacs-or-emacs
+ (make-local-hook 'select-frame-hook) ; xemacs
+ nil ; emacs
+ )
+ (add-hook
+ 'select-frame-hook 'ediff-xemacs-select-frame-hook nil 'local)
))
-
+
(ediff-with-current-buffer ctl-buffer
(run-hooks 'ediff-after-setup-control-frame-hook))
))
-
+
(defun ediff-destroy-control-frame (ctl-buffer)
(ediff-with-current-buffer ctl-buffer
(if (and (ediff-window-display-p) (frame-live-p ediff-control-frame))
(let ((ctl-frame ediff-control-frame))
- (if ediff-xemacs-p
- (set-buffer-menubar default-menubar))
+ (ediff-cond-compile-for-xemacs-or-emacs
+ (set-buffer-menubar default-menubar) ; xemacs
+ nil ; emacs
+ )
(setq ediff-control-frame nil)
(delete-frame ctl-frame)
)))
(ediff-skip-unsuitable-frames)
;;(ediff-reset-mouse nil)
)
-
+
;; finds a good place to clip control frame
(defun ediff-make-frame-position (ctl-buffer ctl-frame-width ctl-frame-height)
(ctl-frame ediff-control-frame)
horizontal-adjustment upward-adjustment
ctl-frame-top ctl-frame-left)
-
+
;; Multiple control frames are clipped based on the value of
;; ediff-control-buffer-number. This is done in order not to obscure
;; other active control panels.
;; keep ctl frame within the visible bounds
(setq ctl-frame-top (max ctl-frame-top 1)
ctl-frame-left (max ctl-frame-left 1))
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+
(list (cons 'top ctl-frame-top)
(cons 'left ctl-frame-left))
)))
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+
(defun ediff-xemacs-select-frame-hook ()
(if (and (equal (selected-frame) ediff-control-frame)
(not ediff-use-long-help-message))
(raise-frame ediff-control-frame)))
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+
(defun ediff-make-wide-display ()
"Construct an alist of parameters for the wide display.
Saves the old frame parameters in `ediff-wide-display-orig-parameters'.
ediff-wide-display-frame frame-A)
(modify-frame-parameters frame-A (list (cons 'left cw)
(cons 'width wd)))))
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-
+
+
;; Revise the mode line to display which difference we have selected
;; Also resets modelines of buffers A/B, since they may be clobbered by
;; anothe invocations of Ediff.
(defun ediff-refresh-mode-lines ()
(let (buf-A-state-diff buf-B-state-diff buf-C-state-diff buf-C-state-merge)
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+
(if (ediff-valid-difference-p)
(setq
buf-C-state-diff (ediff-get-state-of-diff ediff-current-difference 'C)
(setq buf-A-state-diff ""
buf-B-state-diff ""
buf-C-state-diff ""))
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+
;; control buffer format
(setq mode-line-format
(if (ediff-narrow-control-frame-p)
(ediff-make-wide-control-buffer-id)))
;; Force mode-line redisplay
(force-mode-line-update)
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+
(if (and (ediff-window-display-p) (frame-live-p ediff-control-frame))
(ediff-refresh-control-frame))
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+
(ediff-with-current-buffer ediff-buffer-A
(setq ediff-diff-status buf-A-state-diff)
(ediff-strip-mode-line-format)
(t ""))
mode-line-format))))
))
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+
+
(defun ediff-refresh-control-frame ()
(if ediff-emacs-p
;; set frame/icon titles for Emacs
frame-icon-title-format (ediff-make-narrow-control-buffer-id))
;; force an update of the frame title
(modify-frame-parameters ediff-control-frame '(()))))
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-
+
+
(defun ediff-make-narrow-control-buffer-id (&optional skip-name)
(concat
(if skip-name
(concat
(cdr (assoc 'name ediff-control-frame-parameters))
ediff-control-buffer-suffix))
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+
(defun ediff-make-wide-control-buffer-id ()
(cond ((< ediff-current-difference 0)
(list (format "%%b At start of %d diffs"
(if ediff-xemacs-p
(get-buffer-window buff t)
(get-buffer-window buff 'visible))))
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+
;;; Functions to decide when to redraw windows
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+
(defun ediff-keep-window-config (control-buf)
(and (eq control-buf (current-buffer))
(/= (buffer-size) 0)
(A-wind ediff-window-A)
(B-wind ediff-window-B)
(C-wind ediff-window-C))
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+
(and
(ediff-window-visible-p A-wind)
(ediff-window-visible-p B-wind)
;;; eval: (put 'ediff-with-current-buffer 'edebug-form-spec '(form body))
;;; End:
+;;; arch-tag: 73d9a5d7-eed7-4d9c-8b4b-21d5d78eb597
;;; ediff-wind.el ends here