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doom--cycle-real-buffers: if n=0, switch to fallback buffer

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Henrik Lissner 2018-01-03 13:44:14 -05:00
parent fa72e8d09b
commit 00cc57a2bd
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GPG key ID: 5F6C0EA160557395
1 changed files with 22 additions and 20 deletions
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42
core/autoload/buffers.el
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@ -126,29 +126,31 @@ If DERIVED-P, test with `derived-mode-p', otherwise use `eq'."
when (string-match-p pattern (buffer-name buf))
collect buf))
(defun doom--cycle-real-buffers (&optional n)
(defun doom--cycle-real-buffers (n)
"Switch to the next buffer N times (previous, if N < 0), skipping over unreal
buffers. If there's nothing left, switch to `doom-fallback-buffer'. See
`doom-real-buffer-p' for what 'real' means."
(let ((buffers (delq (current-buffer) (doom-real-buffer-list))))
(cond ((or (not buffers)
(zerop (% n (1+ (length buffers)))))
(switch-to-buffer (doom-fallback-buffer) nil t))
((= (length buffers) 1)
(switch-to-buffer (car buffers) nil t))
(t
;; Why this instead of switching straight to the Nth buffer in
;; BUFFERS? Because `switch-to-next-buffer' and
;; `switch-to-prev-buffer' properly update buffer list order.
(cl-loop with move-func =
(if (> n 0) #'switch-to-next-buffer #'switch-to-prev-buffer)
for i to 20
while (not (memq (current-buffer) buffers))
do
(dotimes (_i (abs n))
(funcall move-func)))))
(force-mode-line-update)
(current-buffer)))
(if (null n)
(switch-to-buffer (doom-fallback-buffer) nil t)
(let ((buffers (delq (current-buffer) (doom-real-buffer-list))))
(cond ((or (not buffers)
(zerop (% n (1+ (length buffers)))))
(switch-to-buffer (doom-fallback-buffer) nil t))
((= (length buffers) 1)
(switch-to-buffer (car buffers) nil t))
(t
;; Why this instead of switching straight to the Nth buffer in
;; BUFFERS? Because `switch-to-next-buffer' and
;; `switch-to-prev-buffer' properly update buffer list order.
(cl-loop with move-func =
(if (> n 0) #'switch-to-next-buffer #'switch-to-prev-buffer)
for i to 20
while (not (memq (current-buffer) buffers))
do
(dotimes (_i (abs n))
(funcall move-func)))))))
(force-mode-line-update)
(current-buffer))
;;;###autoload
(defun doom-set-buffer-real (buffer flag)