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author | Alex Kost <alezost@gmail.com> | 2014-10-20 21:43:33 +0400 |
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committer | Alex Kost <alezost@gmail.com> | 2014-10-27 21:52:56 +0300 |
commit | f209da9f9422a2efa540d71601dd4269ef837480 (patch) | |
tree | 5723c9bec0252cdd0f8e8519cb675266b34c5fe1 | |
parent | ce2e4e393849499ecf4c51c78b41a6eed9ff8656 (diff) | |
download | patches-f209da9f9422a2efa540d71601dd4269ef837480.tar patches-f209da9f9422a2efa540d71601dd4269ef837480.tar.gz |
emacs: Improve buffer procedures.
* emacs/guix-base.el (guix-list-or-info-buffer-p): Delete. Replace with...
(guix-buffer-p): ... this. New procedure.
(guix-buffers): Use it. Add 'modes' argument.
(guix-update-buffer): New procedure.
(guix-update-buffers-maybe): Rename to ...
(guix-update-buffers-maybe-after-operation): this. Use
'guix-update-buffer'.
-rw-r--r-- | emacs/guix-base.el | 51 |
1 files changed, 30 insertions, 21 deletions
diff --git a/emacs/guix-base.el b/emacs/guix-base.el index 5b98579c5d..c0a06c7303 100644 --- a/emacs/guix-base.el +++ b/emacs/guix-base.el @@ -283,33 +283,42 @@ See `guix-buffer-name-function' for details." '((display-buffer-reuse-window display-buffer-same-window)))) -(defun guix-list-or-info-buffer-p (&optional buffer) - "Return non-nil if BUFFER is a Guix 'list' or 'info' buffer. -If BUFFER is nil, check current buffer." +(defun guix-buffer-p (&optional buffer modes) + "Return non-nil if BUFFER mode is derived from any of the MODES. +If BUFFER is nil, check current buffer. +If MODES is nil, use `guix-list-mode' and `guix-info-mode'." (with-current-buffer (or buffer (current-buffer)) - (derived-mode-p 'guix-list-mode 'guix-info-mode))) - -(defun guix-buffers () - "Return list of all Guix 'list' and 'info' buffers." - (cl-remove-if-not #'guix-list-or-info-buffer-p + (apply #'derived-mode-p + (or modes + '(guix-list-mode guix-info-mode))))) + +(defun guix-buffers (&optional modes) + "Return list of all buffers with major modes derived from MODES. +If MODES is nil, return list of all Guix 'list' and 'info' buffers." + (cl-remove-if-not (lambda (buf) + (guix-buffer-p buf modes)) (buffer-list))) -(defun guix-update-buffers-maybe () +(defun guix-update-buffer (buffer) + "Update information in a 'list' or 'info' BUFFER." + (with-current-buffer buffer + (guix-revert-buffer nil t))) + +(defun guix-update-buffers-maybe-after-operation () "Update buffers after Guix operation if needed. See `guix-update-after-operation' for details." - (let ((to-update (and guix-operation-buffer - (cl-case guix-update-after-operation - (current (list guix-operation-buffer)) - (all (guix-buffers)))))) + (let ((to-update + (and guix-operation-buffer + (cl-case guix-update-after-operation + (current (and (buffer-live-p guix-operation-buffer) + (guix-buffer-p guix-operation-buffer) + (list guix-operation-buffer))) + (all (guix-buffers)))))) (setq guix-operation-buffer nil) - (mapc (lambda (buf) - (and (buffer-live-p buf) - (guix-list-or-info-buffer-p buf) - (with-current-buffer buf - (guix-revert-buffer nil t)))) - to-update))) - -(add-hook 'guix-after-repl-operation-hook 'guix-update-buffers-maybe) + (mapc #'guix-update-buffer to-update))) + +(add-hook 'guix-after-repl-operation-hook + 'guix-update-buffers-maybe-after-operation) ;;; Common definitions for buffer types |