Don't delete frame when there's a previous buffer to show (Bug#9419).

* window.el (window-deletable-p): Don't return a non-nil value
when there's a buffer that was shown in the window before.
(Bug#9419)
(display-buffer-pop-up-frame, display-buffer-pop-up-window): Set
window's previous buffers to nil.
This commit is contained in:
Martin Rudalics 2011-09-03 12:55:37 +02:00
parent a3cf097fd0
commit 1f3c99ca9f
2 changed files with 43 additions and 13 deletions

View file

@ -1,3 +1,11 @@
2011-09-03 Martin Rudalics <rudalics@gmx.at>
* window.el (window-deletable-p): Don't return a non-nil value
when there's a buffer that was shown in the window before.
(Bug#9419)
(display-buffer-pop-up-frame, display-buffer-pop-up-window): Set
window's previous buffers to nil.
2011-09-03 Eli Zaretskii <eliz@gnu.org>
* mail/rmailmm.el (rmail-mime-insert-tagline): Insert an extra

View file

@ -2291,29 +2291,45 @@ frame."
(setq window (window-atom-root window))))
(let ((parent (window-parent window))
(frame (window-frame window))
(buffer (window-buffer window))
(dedicated (and (window-buffer window) (window-dedicated-p window)))
(quit-restore (window-parameter window 'quit-restore)))
(cond
((frame-root-window-p window)
;; Don't delete FRAME if `frame-auto-delete' is nil.
(when (and (or (eq frame-auto-delete t)
(and (eq frame-auto-delete 'automatic)
;; Delete FRAME only if it's either dedicated
;; or quit-restore's car is `new-frame' and
;; WINDOW still displays the same buffer
(or dedicated
(and (eq (car-safe quit-restore) 'new-frame)
(eq (nth 1 quit-restore)
(window-buffer window))))))
;; Don't delete FRAME if we have another buffer in
;; WINDOW's previous buffers. Bug#9419.
(or (not (window-prev-buffers window))
(eq (caar (window-prev-buffers window)) buffer))
;; Don't try to delete FRAME when there are no other
;; visible frames left.
(other-visible-frames-p frame))
;; WINDOW is the root window of its frame. Return `frame' but
;; only if WINDOW is (1) either dedicated or quit-restore's car
;; is `new-frame' and the window still displays the same buffer
;; and (2) there are other frames left.
'frame))
((and (not ignore-window-parameters)
(eq (window-parameter window 'window-side) 'none)
(or (not parent)
(not (eq (window-parameter parent 'window-side) 'none))))
;; Can't delete last main window.
nil)
(t))))
;; Don't delete WINDOW if we find another buffer in WINDOW's
;; previous buffers.
((and (or (not (window-prev-buffers window))
(eq (caar (window-prev-buffers window)) buffer))
;; Delete WINDOW only if it's dedicated or quit-restore's car
;; is `new-frame' or `new-window' and it still displays the
;; same buffer.
(or dedicated
(and (memq (car-safe quit-restore) '(new-window new-frame))
(eq (nth 1 quit-restore) (window-buffer window))))
;; Don't delete the last main window.
(or ignore-window-parameters
(not (eq (window-parameter window 'window-side) 'none))
(and parent
(eq (window-parameter parent 'window-side) 'none))))
t))))
(defun window-or-subwindow-p (subwindow window)
"Return t if SUBWINDOW is either WINDOW or a subwindow of WINDOW."
@ -4714,7 +4730,10 @@ return the window on the new frame; otherwise return nil."
(setq frame (funcall fun))
(setq window (frame-selected-window frame)))
(display-buffer-record-window 'pop-up-frame window buffer)
(window--display-buffer-2 buffer window))))
(window--display-buffer-2 buffer window)
;; Reset list of WINDOW's previous buffers to nil.
(set-window-prev-buffers window nil)
window)))
(defun display-buffer-pop-up-window (buffer alist)
"Display BUFFER by popping up a new window.
@ -4737,7 +4756,10 @@ If sucessful, return the new window; otherwise return nil."
(window--try-to-split-window
(get-lru-window frame t)))))
(display-buffer-record-window 'pop-up-window window buffer)
(window--display-buffer-2 buffer window))))
(window--display-buffer-2 buffer window)
;; Reset list of WINDOW's previous buffers to nil.
(set-window-prev-buffers window nil)
window)))
;; This display action function groups together some lower-level ones:
(defun display-buffer-reuse-or-pop-window (buffer alist)