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authorYuchen Pei <id@ypei.org>2023-10-14 13:08:03 +1100
committerYuchen Pei <id@ypei.org>2023-10-14 13:08:03 +1100
commit9d7aabd29f758306343d992489a7caafbf933b86 (patch)
treeab70136a8679796a4857857102c84533549d6d96 /emacs/.emacs.d/lisp
parent0383ed224a7708315f3da83d5e809c597b0e888a (diff)
[emacs] Switch shell buffers by prompt too
Diffstat (limited to 'emacs/.emacs.d/lisp')
-rw-r--r--emacs/.emacs.d/lisp/my/my-buffer.el34
-rw-r--r--emacs/.emacs.d/lisp/my/my-prog.el41
2 files changed, 56 insertions, 19 deletions
diff --git a/emacs/.emacs.d/lisp/my/my-buffer.el b/emacs/.emacs.d/lisp/my/my-buffer.el
index af72cfb..2027b5d 100644
--- a/emacs/.emacs.d/lisp/my/my-buffer.el
+++ b/emacs/.emacs.d/lisp/my/my-buffer.el
@@ -26,7 +26,7 @@
;;; Code:
-;; Much of the following is from prot-emacs
+;; Some of the following was from prot-emacs
(defun my-get-major-mode-for-buffer (buffer)
"Returns the major mode for BUFFER."
(buffer-local-value 'major-mode (get-buffer buffer)))
@@ -44,23 +44,19 @@
(defun my-switch-to-buffer-matching-major-mode (mode)
(interactive
- (list (intern (completing-read "Major mode: "
- (mapcar 'prin1-to-string (my-get-buffer-modes))))))
- (switch-to-buffer
- (read-buffer "Switch to buffer: " nil t
- (lambda (pair)
- (with-current-buffer (cdr pair)
- (derived-mode-p mode))))))
-
-(defun my--buffer-major-mode-prompt ()
- "Prompt of `my-buffers-major-mode'."
- (let ((major major-mode)
- (read-buffer-function nil))
- (read-buffer
- (format "Buffer for %s: " major)
- nil t
- (lambda (pair) ; pair is (name-string . buffer-object)
- (with-current-buffer (cdr pair) (derived-mode-p major))))))
+ (list (intern
+ (completing-read
+ "Major mode: "
+ (mapcar 'prin1-to-string (my-get-buffer-modes))))))
+ (switch-to-buffer (my-read-buffer-by-mode)))
+
+(defun my-read-buffer-by-mode (mode)
+ (if (eq mode 'shell-mode)
+ (my-read-shell-buffer)
+ (read-buffer "Switch to buffer: " nil t
+ (lambda (pair)
+ (with-current-buffer (cdr pair)
+ (derived-mode-p mode))))))
;;;###autoload
(defun my-buffers-major-mode (&optional arg)
@@ -70,7 +66,7 @@ With a prefix-arg, prompt for major mode."
(interactive "P")
(if arg
(call-interactively 'my-switch-to-buffer-matching-major-mode)
- (switch-to-buffer (my--buffer-major-mode-prompt))))
+ (switch-to-buffer (my-read-buffer-by-mode))))
(defun my-buffer-find-mode (mode)
"Find a buffer of a given MODE not in a live window."
diff --git a/emacs/.emacs.d/lisp/my/my-prog.el b/emacs/.emacs.d/lisp/my/my-prog.el
index a0e0ce7..bee132f 100644
--- a/emacs/.emacs.d/lisp/my/my-prog.el
+++ b/emacs/.emacs.d/lisp/my/my-prog.el
@@ -140,6 +140,47 @@
(defvar my-shell-buffer-list nil
"List of shell mode buffers.")
+(defun my-shell-dir-filter (pairs)
+ "Filter function for `my-read-shell-buffer'."
+ (lambda (str pred flag)
+ (pcase flag
+ ('metadata
+ (list 'metadata
+ (cons 'annotation-function
+ (lambda (c)
+ (alist-get c pairs nil nil #'equal)))))
+ (t
+ (if (string-blank-p str)
+ (all-completions str pairs)
+ (all-completions
+ str
+ (lambda (&rest _)
+ (seq-map
+ #'car
+ (seq-filter
+ (lambda (x)
+ (unless (string-blank-p str)
+ (or
+ (string-match-p (regexp-quote str) (car x))
+ (string-match-p (regexp-quote str) (cdr x)))))
+ pairs)))))))))
+
+(defun my-read-shell-buffer ()
+ "Switch to a shell buffer by default directory."
+ (interactive)
+ (let ((coll
+ (seq-map
+ (lambda (buffer)
+ (with-current-buffer buffer
+ (cons (buffer-name buffer) default-directory)))
+ (seq-filter
+ (lambda (buffer)
+ (with-current-buffer buffer
+ (derived-mode-p 'shell-mode)))
+ (buffer-list)))))
+ (completing-read "Shell prompt: "
+ (my-shell-dir-filter coll))))
+
(defun my-shell-open-or-cycle (arg)
"Switch to or create a shell buffer.