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Tidy up +ivy-buffer-preview functionality

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Let-binding `ivy-use-virtual-buffers` is neater and more robust than the
previous solution using some copy-pasta.  Calling the unwind routine
will become important once counsel is patched to restore buffer-list.
This commit is contained in:
Andrew Whatson 2019-03-08 16:08:36 +10:00
parent 4a1a359c21
commit 0f0b0d720b
1 changed files with 9 additions and 7 deletions
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16
modules/completion/ivy/autoload/ivy.el
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@ -35,10 +35,11 @@ temporary/special buffers in `font-lock-comment-face'."
;; Library
(defun +ivy--switch-buffer-preview ()
(if (get-buffer (ivy-state-current ivy-last))
(ivy-call)
(with-ivy-window
(switch-to-buffer (ivy-state-buffer ivy-last)))))
(let (ivy-use-virtual-buffers)
(counsel--switch-buffer-update-fn)))
(defalias '+ivy--switch-buffer-preview-all #'counsel--switch-buffer-update-fn)
(defalias '+ivy--switch-buffer-unwind #'counsel--switch-buffer-unwind)
(defun +ivy--switch-buffer (workspace other)
(let ((current (not other))
@ -60,10 +61,11 @@ temporary/special buffers in `font-lock-comment-face'."
(when +ivy-buffer-preview
(cond ((not (and ivy-use-virtual-buffers
(eq +ivy-buffer-preview 'everything)))
(setq update #'+ivy--switch-buffer-preview))
(setq update #'+ivy--switch-buffer-preview
unwind #'+ivy--switch-buffer-unwind))
(t
(setq update #'counsel--switch-buffer-update-fn
unwind #'counsel--switch-buffer-unwind))))
(setq update #'+ivy--switch-buffer-preview-all
unwind #'+ivy--switch-buffer-unwind))))
(ivy-read prompt 'internal-complete-buffer
:action action
:predicate filter