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[Emacs-diffs] /srv/bzr/emacs/trunk r109324: Fix return values of switch-
From: |
martin rudalics |
Subject: |
[Emacs-diffs] /srv/bzr/emacs/trunk r109324: Fix return values of switch-to-prev/next-buffer. |
Date: |
Tue, 31 Jul 2012 10:36:32 +0200 |
User-agent: |
Bazaar (2.5.0) |
------------------------------------------------------------
revno: 109324
committer: martin rudalics <address@hidden>
branch nick: trunk
timestamp: Tue 2012-07-31 10:36:32 +0200
message:
Fix return values of switch-to-prev/next-buffer.
* window.el (switch-to-prev-buffer, switch-to-next-buffer):
Don't return a non-nil value when no suitable buffer was found.
modified:
lisp/ChangeLog
lisp/window.el
=== modified file 'lisp/ChangeLog'
--- a/lisp/ChangeLog 2012-07-31 03:31:10 +0000
+++ b/lisp/ChangeLog 2012-07-31 08:36:32 +0000
@@ -1,3 +1,8 @@
+2012-07-31 Martin Rudalics <address@hidden>
+
+ * window.el (switch-to-prev-buffer, switch-to-next-buffer):
+ Don't return a non-nil value when no suitable buffer was found.
+
2012-07-31 Fabián Ezequiel Gallina <address@hidden>
* progmodes/python.el (run-python-internal): Disable font lock for
=== modified file 'lisp/window.el'
--- a/lisp/window.el 2012-07-18 10:02:54 +0000
+++ b/lisp/window.el 2012-07-31 08:36:32 +0000
@@ -2669,6 +2669,8 @@
(defun switch-to-prev-buffer (&optional window bury-or-kill)
"In WINDOW switch to previous buffer.
WINDOW must be a live window and defaults to the selected one.
+Return the buffer switched to, nil if no suitable buffer could be
+found.
Optional argument BURY-OR-KILL non-nil means the buffer currently
shown in WINDOW is about to be buried or killed and consequently
@@ -2679,7 +2681,7 @@
(old-buffer (window-buffer window))
;; Save this since it's destroyed by `set-window-buffer'.
(next-buffers (window-next-buffers window))
- entry new-buffer killed-buffers visible)
+ entry buffer new-buffer killed-buffers visible)
(when (window-dedicated-p window)
(error "Window %s is dedicated to buffer %s" window old-buffer))
@@ -2687,20 +2689,20 @@
;; Scan WINDOW's previous buffers first, skipping entries of next
;; buffers.
(dolist (entry (window-prev-buffers window))
- (when (and (setq new-buffer (car entry))
- (or (buffer-live-p new-buffer)
+ (when (and (setq buffer (car entry))
+ (or (buffer-live-p buffer)
(not (setq killed-buffers
- (cons new-buffer killed-buffers))))
- (not (eq new-buffer old-buffer))
- (or bury-or-kill
- (not (memq new-buffer next-buffers))))
+ (cons buffer killed-buffers))))
+ (not (eq buffer old-buffer))
+ (or bury-or-kill (not (memq buffer next-buffers))))
(if (and (not switch-to-visible-buffer)
- (get-buffer-window new-buffer frame))
+ (get-buffer-window buffer frame))
;; Try to avoid showing a buffer visible in some other window.
- (setq visible new-buffer)
- (set-window-buffer-start-and-point
- window new-buffer (nth 1 entry) (nth 2 entry))
- (throw 'found t))))
+ (setq visible buffer)
+ (setq new-buffer buffer)
+ (set-window-buffer-start-and-point
+ window new-buffer (nth 1 entry) (nth 2 entry))
+ (throw 'found t))))
;; Scan reverted buffer list of WINDOW's frame next, skipping
;; entries of next buffers. Note that when we bury or kill a
;; buffer we don't reverse the global buffer list to avoid showing
@@ -2767,13 +2769,15 @@
(defun switch-to-next-buffer (&optional window)
"In WINDOW switch to next buffer.
-WINDOW must be a live window and defaults to the selected one."
+WINDOW must be a live window and defaults to the selected one.
+Return the buffer switched to, nil if no suitable buffer could be
+found."
(interactive)
(let* ((window (window-normalize-window window t))
(frame (window-frame window))
(old-buffer (window-buffer window))
(next-buffers (window-next-buffers window))
- new-buffer entry killed-buffers visible)
+ buffer new-buffer entry killed-buffers visible)
(when (window-dedicated-p window)
(error "Window %s is dedicated to buffer %s" window old-buffer))
@@ -2804,16 +2808,17 @@
;; Scan WINDOW's reverted previous buffers last (must not use
;; nreverse here!)
(dolist (entry (reverse (window-prev-buffers window)))
- (when (and (setq new-buffer (car entry))
- (or (buffer-live-p new-buffer)
+ (when (and (setq buffer (car entry))
+ (or (buffer-live-p buffer)
(not (setq killed-buffers
- (cons new-buffer killed-buffers))))
- (not (eq new-buffer old-buffer)))
+ (cons buffer killed-buffers))))
+ (not (eq buffer old-buffer)))
(if (and (not switch-to-visible-buffer)
- (get-buffer-window new-buffer frame))
+ (get-buffer-window buffer frame))
;; Try to avoid showing a buffer visible in some other window.
(unless visible
- (setq visible new-buffer))
+ (setq visible buffer))
+ (setq new-buffer buffer)
(set-window-buffer-start-and-point
window new-buffer (nth 1 entry) (nth 2 entry))
(throw 'found t))))
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