123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313 |
- (require 'tabulated-list)
- (defgroup multishell-list nil
- "Show a menu of all shell buffers in a buffer."
- :group 'multishell)
- (defface multishell-list-name
- '((t (:weight bold)))
- "Face for shell names in the Multishell List."
- :group 'multishell-list)
- (defun multishell-list-open-pop (&optional arg)
- "Pop to current entry's shell in separate window.
- The shell is started if it's not already going, unless this is
- invoked with optional `universal-argument'. In that case we
- pop to the buffer but don't change its run state."
- (interactive "P")
- (let ((list-buffer (current-buffer))
- (entry (tabulated-list-get-id)))
- (if arg
- (pop-to-buffer
- (multishell-bracket (multishell-name-from-entry entry)))
- (multishell-list-dispatch-selected entry t))
- (with-current-buffer list-buffer
- (revert-buffer)
- (multishell-list-goto-item-by-entry entry))))
- (defun multishell-list-open-as-default ()
- "Pop to current entry's shell, and set as the default shell."
- (interactive)
- (let ((list-buffer (current-buffer))
- (entry (tabulated-list-get-id)))
- (message "%s <==" (multishell-name-from-entry entry))
- (multishell-list-dispatch-selected entry t t)
- (with-current-buffer list-buffer
- (revert-buffer)
- (multishell-list-goto-item-by-entry entry))))
- (defun multishell-list-open-here (&optional arg)
- "Switch to current entry's shell buffer.
- The shell is started if it's not already going, unless this is
- invoked with optional `universal-argument'. In that case we
- switch to the buffer but don't activate (or deactivate) it it."
- (interactive "P")
- (let* ((list-buffer (current-buffer))
- (entry (tabulated-list-get-id)))
- (if arg
- (switch-to-buffer
- (multishell-bracket (multishell-name-from-entry entry)))
- (multishell-list-dispatch-selected entry nil))
- (with-current-buffer list-buffer
- (revert-buffer))))
- (defun multishell-list-delete (&optional arg)
- "Remove current shell entry, and prompt for buffer-removal if present."
- (interactive "P")
- (let* ((entry (tabulated-list-get-id))
- (name (multishell-name-from-entry entry))
- (name-bracketed (multishell-bracket name))
- (buffer (get-buffer name-bracketed)))
- (when (multishell-delete-history-name name)
- (and buffer
-
- (or (comint-check-proc (current-buffer))
- (y-or-n-p (format "Kill buffer %s? " name-bracketed)))
- (kill-buffer name-bracketed)))
- (tabulated-list-delete-entry)))
- (defun multishell-list-edit-entry (&optional arg)
- "Edit the value of current shell entry.
- Submitting the change will not launch the entry, unless this is
- invoked with optional `universal-argument'. In the latter case,
- submitting the entry will pop to the shell in a new window,
- starting it if it's not already going."
- (interactive "P")
- (let* ((list-buffer (current-buffer))
- (entry (tabulated-list-get-id))
- (name (multishell-name-from-entry entry))
- (revised (multishell-read-unbracketed-entry
- (format "Edit shell spec for %s: " name)
- entry
- 'no-record))
- (revised-name (multishell-name-from-entry revised))
- buffer)
- (when (not (string= revised entry))
- (multishell-replace-entry entry revised)
- (when (and (not (string= name revised-name))
- (setq buffer (get-buffer (multishell-bracket name))))
- (with-current-buffer buffer
- (rename-buffer (multishell-bracket revised-name)))))
- (when arg
- (multishell-list-dispatch-selected revised-name t))
- (with-current-buffer list-buffer
- (revert-buffer)
- (multishell-list-goto-item-by-entry revised))))
- (defun multishell-list-clone-entry (&optional arg)
- "Create a new list entry, edited from the current one, ready to launch.
- If you provide an optional `universal-argument', the new entry
- will be launched when it's created.
- The already existing original entry is left untouched."
- (interactive "P")
- (let* ((prototype (tabulated-list-get-id))
- (name (multishell-name-from-entry prototype))
- (new (multishell-read-unbracketed-entry
- (format "Clone new shell spec from %s: " name)
- prototype
- 'no-record))
- (new-name (multishell-name-from-entry new))
- (new-path (cadr (multishell-split-entry new))))
- (when (not (string= new prototype))
- (multishell-register-name-to-path new-name new-path)
- (revert-buffer)
- (multishell-list-goto-item-by-entry new)
- (when arg
- (multishell-list-dispatch-selected new-name t)))))
- (defun multishell-list-mouse-select (event)
- "Select the shell whose line is clicked."
- (interactive "e")
- (select-window (posn-window (event-end event)))
- (let ((entry (tabulated-list-get-id (posn-point (event-end event)))))
- (multishell-list-dispatch-selected entry nil)))
- (defun multishell-list-dispatch-selected (entry pop &optional set-primary)
- "Go to multishell ENTRY, popping to window if POP is non-nil.
- Optional arg SET-PRIMARY non-nil sets `multishell-primary-name' to entry.
- Provide for concluding minibuffer interaction if we're in completing mode."
- (let ((set-primary-as-arg (and set-primary '(16))))
- (if multishell-completing-read
-
- (throw 'multishell-minibuffer-exit (list entry pop set-primary-as-arg))
- (multishell-pop-to-shell set-primary-as-arg entry (not pop)))))
- (defun multishell-list-placeholder (value default)
- "Return VALUE if non-empty string, else DEFAULT."
- (if (or (not value) (string= value ""))
- default
- value))
- (defconst multishell-list-active-flag "+")
- (defconst multishell-list-inactive-flag ".")
- (defconst multishell-list-absent-flag "x")
- (defun multishell-list-entries ()
- "Generate multishell name/path-spec entries list for tabulated-list."
- (let ((recency 0))
- (mapcar #'(lambda (entry)
- (setq recency (1+ recency))
- (let* ((splat (multishell-split-entry entry))
- (name (car splat))
- (buffer (and name
- (get-buffer
- (multishell-bracket name))))
- (status (cond ((not buffer)
- multishell-list-absent-flag)
- ((comint-check-proc buffer)
- multishell-list-active-flag)
- (t multishell-list-inactive-flag)))
- (rest (cadr splat))
- (dir (and rest (or (file-remote-p rest 'localname)
- rest)))
- (hops (and dir
- (file-remote-p rest 'localname)
- (substring
- rest 0 (- (length rest) (length dir))))))
- (when (not name)
- (setq name (multishell-name-from-entry entry)))
- (list entry
- (vector (format "%d" recency)
- status
- (multishell-list--decorate-name name)
- (multishell-list-placeholder hops "-")
- (multishell-list-placeholder dir "~")))))
- (multishell-all-entries))))
- (defun multishell-list-goto-item-by-entry (entry)
- "Position at beginning of line of tabulated list item for ENTRY."
- (goto-char (point-min))
- (while (and (not (eobp))
- (not (string= (tabulated-list-get-id) entry)))
- (forward-line 1)))
- (defun multishell-collate-row-strings-as-numbers (a b)
- (let ((a (aref (cadr a) 0))
- (b (aref (cadr b) 0)))
- (> (string-to-number a) (string-to-number b))))
- (defun multishell-list--decorate-name (name)
- (propertize name
- 'font-lock-face 'multishell-list-name
- 'mouse-face 'highlight))
- (defvar multishell-list-mode-map
- (let ((map (make-sparse-keymap)))
- (set-keymap-parent map tabulated-list-mode-map)
- (define-key map (kbd "c") 'multishell-list-clone-entry)
- (define-key map (kbd "d") 'multishell-list-delete)
- (define-key map (kbd "\C-k") 'multishell-list-delete)
- (define-key map (kbd "k") 'multishell-list-delete)
- (define-key map (kbd "e") 'multishell-list-edit-entry)
- (define-key map (kbd "o") 'multishell-list-open-pop)
- (define-key map (kbd " ") 'multishell-list-open-pop)
- (define-key map (kbd "O") 'multishell-list-open-as-default)
- (define-key map (kbd "RET") 'multishell-list-open-here)
- (define-key map [mouse-2] 'multishell-list-mouse-select)
- (define-key map [follow-link] 'mouse-face)
- map))
- (define-derived-mode multishell-list-mode
- tabulated-list-mode "Shells"
- "Major mode for listing current and historically registered shells.
- Initial sort is from most to least recently used:
- - First active shells, flagged with '+' a plus sign
- - Then, inactive shells, flagged with '.' a period
- - Then historical shells that currently have no buffer, flagged with 'x' an ex
- \\{multishell-list-mode-map\}"
- (setq tabulated-list-format
- [
- ("#" 0 multishell-collate-row-strings-as-numbers :pad-right 1)
- ("! " 1 t :pad-right 1)
- ("Name" 15 t)
- ("Hops" 30 t)
- ("Directory" 30 t)]
- tabulated-list-sort-key '("#" . t)
- tabulated-list-entries #'multishell-list-entries)
- (tabulated-list-init-header))
- (defun multishell-list-cull-dups (entries)
- "Return list of multishell ENTRIES sans ones with duplicate names.
- For duplicates, we prefer the ones that have paths."
- (let ((tally (make-hash-table :test #'equal))
- got name name-order-reversed already)
- (mapcar #'(lambda (entry)
- (setq name (multishell-name-from-entry entry)
- already (gethash name tally nil))
- (when (not already)
- (push name name-order-reversed))
- (when (or (not already) (< (length already) (length entry)))
-
- (puthash name entry tally)))
- entries)
- (dolist (name name-order-reversed)
- (push (gethash name tally) got))
- got))
- (defun multishell-list (&optional completing)
- "Edit your current and historic list of shell buffers.
- If optional COMPLETING is nil, we present the full
- `multishell-history' list in a popped buffer named '*Shells*'.
- In the buffer, hit ? or h for a list of commands.
- When optional COMPLETING is non-nil, it must be a list of
- multishell-history completion candidate entries, as provided by
- `completing-read'. Then we present the list as a part of
- minibuffer completion.
- You can get to the shells listing by recursively invoking
- \\[multishell-pop-to-shell] at the `multishell-pop-to-shell'
- `universal-argument' prompts."
- (interactive)
- (let ((from-entry (car (multishell-history-entries
- (multishell-unbracket (buffer-name
- (current-buffer))))))
- (buffer (get-buffer-create (if completing
- "*Completions*"
- "*Shells*"))))
- (if completing
- (set-buffer buffer)
- (pop-to-buffer buffer))
- (multishell-list-mode)
- (progv
-
- (when completing '(multishell-history))
- (when completing
- (list (multishell-list-cull-dups (mapcar 'substring-no-properties
- completing))))
- (tabulated-list-print))
- (when completing
- )
- (when from-entry
- (multishell-list-goto-item-by-entry from-entry))))
- (provide 'multishell-list)
- (require 'multishell)
|