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ace-link.el
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;;; ace-link.el --- Quickly follow links -*- lexical-binding: t -*-
;; Copyright (C) 2014-2020 Oleh Krehel
;; Author: Oleh Krehel <[email protected]>
;; URL: https://github.com/abo-abo/ace-link
;; Version: 0.5.0
;; Package-Requires: ((avy "0.4.0"))
;; Keywords: convenience, links, avy
;; This file is not part of GNU Emacs
;; This file is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 3, or (at your option)
;; any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; For a full copy of the GNU General Public License
;; see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;
;; This package offers an alternative to tabbing through links in
;; buffers, for instance, in an Info buffer. `avy' is used to turn
;; opening a link from an O(N) operation into an O(1).
;;
;; Use `ace-link-setup-default' to set up the default bindings, which currently
;; bind e.g. `ace-link-info' to "o", which was previously unbound and is
;; close to "l" (which by default goes back).
;;
;; Supported modes: `Info-mode', `help-mode', `org-mode', `eww-mode',
;; `gnus-article-mode', `Custom-mode', `woman-mode', `goto-address-mode'.
;;; Code:
(require 'avy)
;;* `ace-link'
(defvar ace-link-fallback-function nil
"When non-nil, called by `ace-link' when `major-mode' isn't recognized.")
(defvar ace-link-minor-mode-actions
'((ace-link-compilation compilation-shell-minor-mode))
"Mapping of minor modes to ace-link actions.")
(defvar ace-link-major-mode-actions
'((ace-link-org org-mode erc-mode elfeed-show-mode term-mode vterm-mode eshell-mode telega-chat-mode org-roam-mode)
(ace-link-org-agenda org-agenda-mode)
(ace-link-info Info-mode)
(ace-link-help help-mode package-menu-mode geiser-doc-mode elbank-report-mode elbank-overview-mode slime-trace-dialog-mode helpful-mode)
(ace-link-man Man-mode)
(ace-link-woman woman-mode)
(ace-link-eww eww-mode)
(ace-link-w3m w3m-mode)
(ace-link-compilation compilation-mode grep-mode)
(ace-link-gnus gnus-article-mode gnus-summary-mode)
(ace-link-mu4e mu4e-view-mode)
(ace-link-notmuch notmuch-show-mode)
(ace-link-custom Custom-mode)
(ace-link-sldb sldb-mode)
(ace-link-slime-xref slime-xref-mode)
(ace-link-slime-inspector slime-inspector-mode)
(ace-link-indium-inspector indium-inspector-mode)
(ace-link-indium-debugger-frames indium-debugger-frames-mode)
(ace-link-commit magit-commit-mode)
(ace-link-cider-inspector cider-inspector-mode))
"Reverse mapping of `major-mode' to ace-link actions.")
;;;###autoload
(defun ace-link ()
"Call the ace link function for the current `major-mode'"
(interactive)
(let (action)
(cond ((setq action
(cl-find-if
(lambda (c) (memq major-mode c))
ace-link-major-mode-actions))
(funcall (car action)))
((setq action
(cl-find-if
(lambda (c)
(cl-some (lambda (minor-mode) (bound-and-true-p minor-mode))
(cdr c)))
ace-link-minor-mode-actions))
(funcall (car action)))
((and ace-link-fallback-function
(funcall ace-link-fallback-function)))
(t
(error "%S isn't supported" major-mode)))))
;;* `ace-link-info'
;;;###autoload
(defun ace-link-info ()
"Open a visible link in an `Info-mode' buffer."
(interactive)
(let ((pt (avy-with ace-link-info
(avy-process
(mapcar #'cdr
(ace-link--info-collect))
(avy--style-fn avy-style)))))
(ace-link--info-action pt)))
(defun ace-link--info-action (pt)
(when (numberp pt)
(push-mark)
(goto-char pt)
(let ((we (window-end)))
(while (not (ignore-errors
(Info-follow-nearest-node)))
(forward-char 1)
(when (> (point) we)
(error "Could not follow link"))))))
(declare-function Info-follow-nearest-node "info")
(declare-function Info-next-reference "info")
(declare-function Info-try-follow-nearest-node "info")
(declare-function Info-goto-node "info")
(defun ace-link--info-current ()
"Return the node at point."
(cons (cl-letf (((symbol-function #'Info-goto-node)
(lambda (node _) node))
(browse-url-browser-function
(lambda (url &rest _) url)))
(Info-try-follow-nearest-node))
(point)))
(defun ace-link--info-collect ()
"Collect the positions of visible links in the current `Info-mode' buffer."
(let ((end (window-end (selected-window) t))
points)
(save-excursion
(goto-char (window-start))
(when (ignore-errors (Info-next-reference) t)
(push (ace-link--info-current) points)
(Info-next-reference)
(while (and (< (point) end)
(> (point) (cdar points)))
(push (ace-link--info-current) points)
(Info-next-reference))
(nreverse points)))))
;;* `ace-link-help'
;;;###autoload
(defun ace-link-help ()
"Open a visible link in a `help-mode' buffer."
(interactive)
(let ((pt (avy-with ace-link-help
(avy-process
(mapcar #'cdr (ace-link--help-collect))
(avy--style-fn avy-style)))))
(ace-link--help-action pt)))
(defun ace-link--help-action (pt)
(when (numberp pt)
(goto-char (1+ pt))
(push-button)))
(defun ace-link--help-collect ()
"Collect the positions of visible links in the current `help-mode' buffer."
(let ((skip (text-property-any
(window-start) (window-end (selected-window) t) 'button nil))
candidates)
(save-excursion
(while (setq skip (text-property-not-all
skip (window-end) 'button nil))
(goto-char skip)
(push (cons (button-label (button-at skip)) skip) candidates)
(setq skip (text-property-any (point) (window-end)
'button nil))))
(nreverse candidates)))
;;* `ace-link-commit'
(defvar ivy-ffap-url-functions)
(defvar ffap-url-fetcher)
(declare-function magit-goto-next-section "ext:magit")
(declare-function magit-current-section "ext:magit")
(declare-function magit-section-end "ext:magit")
(defun ace-link-commit ()
"Open an issue link in the browser."
(interactive)
(require 'counsel)
(require 'ffap)
(let* ((pts (save-excursion
(goto-char (point-min))
(when (eq major-mode 'magit-commit-mode)
(magit-goto-next-section))
(let ((cands nil)
(end (if (eq major-mode 'magit-commit-mode)
(magit-section-end (magit-current-section))
(point-max))))
(while (re-search-forward "#\\([0-9]+\\)" end t)
(push (match-beginning 0) cands))
(nreverse cands))))
(_pt (avy-with ace-link-commit
(avy-process pts)))
(url (cl-reduce
(lambda (a b)
(or a (funcall b)))
ivy-ffap-url-functions
:initial-value nil)))
(funcall ffap-url-fetcher url)))
;;* `ace-link-man'
;;;###autoload
(defun ace-link-man ()
"Open a visible link in a `man' buffer."
(interactive)
(let ((pt (avy-with ace-link-man
(avy-process
(mapcar #'cdr (ace-link--man-collect))
(avy--style-fn avy-style)))))
(ace-link--man-action pt)))
(defun ace-link--man-action (pt)
(when (number-or-marker-p pt)
(goto-char (1+ pt))
(if (button-at pt)
(push-button pt)
(call-interactively #'man-follow))))
(declare-function Man-default-man-entry "man")
(defun ace-link--man-collect ()
"Collect all visible links in `Man-mode'.
There are two ways of following links interactively in
`Man-mode':
1. `push-button' (if there's a button overlay at point).
2. `man-follow' (if there's no button at point).
`man-follow' simply takes whatever text is at point and tries to
follow it as a manual page. This logic can't be used by
`ace-link' since that would make every word a link. However,
we'd miss actual links by only collecting button overlays.
The workaround for non-button links is to search for strings that
looks like manpages with a regular expression."
(save-excursion
(let ((end (window-end (selected-window) t))
(pt (window-start))
candidates)
(while (and (setq pt (next-property-change pt))
(< pt end))
(let ((entry (Man-default-man-entry pt)))
(when (or (button-at pt)
(and (text-properties-at pt)
(string-match-p "^[^(]+([0-9]+)$" entry)))
(push (cons entry pt) candidates))))
(nreverse candidates))))
;;* `ace-link-woman'
;;;###autoload
(defun ace-link-woman ()
"Open a visible link in a `woman-mode' buffer."
(interactive)
(let ((pt (avy-with ace-link-woman
(avy-process
(mapcar #'cdr (ace-link--woman-collect))
(avy--style-fn avy-style)))))
(ace-link--woman-action pt)))
(defun ace-link--woman-action (pt)
(when (number-or-marker-p pt)
(goto-char (1+ pt))
(push-button)))
(defun ace-link--woman-collect ()
"Collect all links visible in the current `woman-mode' buffer."
(let ((end (window-end (selected-window) t))
candidates)
(save-excursion
(goto-char (window-start))
(while (and (condition-case nil (forward-button 1)
(error nil))
(< (point) end))
(push (cons (button-label (button-at (point))) (point))
candidates))
(nreverse candidates))))
;;* `ace-link-eww'
;;;###autoload
(defun ace-link-eww (&optional external)
"Open a visible link in an `eww-mode' buffer.
If EXTERNAL is single prefix, browse the URL using
`browse-url-secondary-browser-function'.
If EXTERNAL is double prefix, browse in new buffer."
(interactive "P")
(let ((pt (avy-with ace-link-eww
(avy-process
(mapcar #'cdr (ace-link--eww-collect))
(avy--style-fn avy-style)))))
(ace-link--eww-action pt external)))
(declare-function eww-follow-link "eww")
(defun ace-link--eww-action (pt external)
(when (number-or-marker-p pt)
(goto-char pt)
(eww-follow-link external)))
(defun ace-link--eww-collect (&optional property)
"Collect the positions of visible links in the current `eww' buffer."
(unless property
(setq property 'shr-url))
(save-excursion
(save-restriction
(narrow-to-region
(window-start)
(window-end (selected-window) t))
(goto-char (point-min))
(let (beg end candidates)
(setq end
(if (get-text-property (point) property)
(point)
(text-property-any
(point) (point-max) property nil)))
(while (setq beg (text-property-not-all
end (point-max) property nil))
(goto-char beg)
;; Skip leading newlines in the next link text. They make things very
;; ugly when running `ace-link-eww' since the characters to jump to
;; each link will be displayed on the line before its visible text.
(skip-chars-forward "\n")
(setq beg (point))
;; Handle the case where a link is all newlines by skipping them.
(if (get-text-property (point) property)
(progn
(setq end (next-single-property-change (point) property nil (point-max)))
;; When link at the end of buffer, end will be set to nil.
(if (eq end nil)
(setq end (point-max)))
(push (cons (buffer-substring-no-properties beg end) beg)
candidates))
(setq end (point))))
(nreverse candidates)))))
;;* `ace-link-w3m'
;;;###autoload
(defun ace-link-w3m ()
"Open a visible link in an `w3m-mode' buffer."
(interactive)
(require 'w3m)
(let ((pt (avy-with ace-link-w3m
(avy-process
(mapcar #'cdr (ace-link--w3m-collect))
(avy--style-fn avy-style)))))
(ace-link--w3m-action pt)))
(declare-function w3m-view-this-url "w3m")
(defun ace-link--w3m-action (pt)
(when (numberp pt)
(goto-char pt)
(w3m-view-this-url)))
(defun ace-link--w3m-collect ()
"Collect the positions of visible links in the current `w3m' buffer."
(save-excursion
(save-restriction
(narrow-to-region
(window-start)
(window-end (selected-window) t))
(goto-char (point-min))
(let ((anchor-prop 'w3m-anchor-sequence)
(beg (point))
(end 0)
candidates)
;; property values for anchors in order are: 1 2 3 ...
(unless (get-text-property beg anchor-prop)
(setq beg (next-single-char-property-change beg anchor-prop)))
(while (< beg (point-max))
(setq end (next-single-char-property-change beg anchor-prop))
(push (cons (buffer-substring-no-properties beg end) beg)
candidates)
(setq beg (next-single-char-property-change end anchor-prop)))
(nreverse candidates)))))
;;* `ace-link-compilation'
;;;###autoload
(defun ace-link-compilation ()
"Open a visible link in a `compilation-mode' buffer."
(interactive)
(let ((pt (avy-with ace-link-compilation
(avy-process
(mapcar #'cdr (ace-link--eww-collect 'help-echo))
(avy--style-fn avy-style)))))
(ace-link--compilation-action pt)))
(defun ace-link--compilation-action (pt)
(when (number-or-marker-p pt)
(goto-char (1+ pt))
(compile-goto-error)))
(declare-function compile-goto-error "compile")
;;* `ace-link-gnus'
(defvar gnus-article-buffer)
(defvar mm-text-html-renderer)
(declare-function gnus-article-press-button "gnus-art")
(declare-function gnus-get-buffer-window "gnus-win")
(declare-function widget-button-press "wid-edit")
(declare-function widget-forward "wid-edit")
;;;###autoload
(defun ace-link-gnus ()
"Open a visible link in a `gnus-article-mode' buffer."
(interactive)
(save-selected-window
(when (eq major-mode 'gnus-summary-mode)
(if-let ((win (gnus-get-buffer-window gnus-article-buffer 'visible)))
(progn
(select-window win)
(select-frame-set-input-focus (window-frame win)))
(user-error "No article window found")))
(let ((pt (avy-with ace-link-gnus
(avy-process
(ace-link--gnus-collect)
(avy--style-fn avy-style)))))
(ace-link--gnus-action pt))))
(defun ace-link--gnus-action (pt)
(when (number-or-marker-p pt)
(goto-char (1+ pt))
(cond ((< emacs-major-version 27)
(widget-button-press (point)))
((and (eq mm-text-html-renderer 'shr)
(get-text-property (point) 'shr-url))
(shr-browse-url))
((get-text-property (point) 'gnus-callback)
(gnus-article-press-button))
(t (push-button)))))
(defun ace-link--gnus-collect ()
"Collect the positions of visible links in the current gnus buffer."
(if (<= 27 emacs-major-version)
(mapcar #'cdr (ace-link--woman-collect))
(require 'wid-edit)
(let (candidates pt)
(save-excursion
(save-restriction
(narrow-to-region
(window-start)
(window-end (selected-window) t))
(goto-char (point-min))
(setq pt (point))
(while (progn (widget-forward 1)
(> (point) pt))
(setq pt (point))
(when (or (plist-get (text-properties-at (point)) 'gnus-string)
(plist-get (text-properties-at (point)) 'shr-url))
(push (point) candidates)))
(nreverse candidates))))))
;;* Helper functions for `ace-link-mu4e' and `ace-link-notmuch'
(defun ace-link--email-view-plain-collect ()
"Collect the positions of visible links in email-view buffer.
Only consider the links in 'text/plain'."
(let (candidates pt)
(save-excursion
(save-restriction
(narrow-to-region
(window-start)
(window-end (selected-window) t))
(goto-char (point-min))
(while (re-search-forward "https?://" nil t)
(setq pt (- (point) (length (match-string 0))))
(push pt candidates))))
(nreverse candidates)))
(defun ace-link--email-view-next-link (pos &optional mu4e)
"Find next link from POS in current email-view buffer.
If MU4E is non-nil, also consider mu4e-links."
(let* ((shr-link-pos (text-property-not-all pos (point-max) 'shr-url nil))
(links (list (list 'shr-url shr-link-pos))))
(when mu4e
(let ((mu4e-link-pos (text-property-not-all pos (point-max) 'mu4e-url nil))
(mu4e-att-link-pos (text-property-not-all pos (point-max) 'mu4e-attnum nil)))
(push (list 'mu4e-url mu4e-link-pos) links)
(push (list 'mu4e-attnum mu4e-att-link-pos) links)
(setq links (nreverse links))))
(setq links (cl-remove-if-not
(lambda (link) (nth 1 link))
links))
(if links
(car
(sort links (lambda (x y)
(< (elt x 1) (elt y 1)))))
nil)))
(defun ace-link--email-view-end-of-link (link)
"Return end of LINK at point in current email-view buffer."
(or (text-property-any (elt link 1) (point-max) (elt link 0) nil)
(point-max)))
(defun ace-link--email-view-html-collect (&optional mu4e)
"Collect positions of visible links in the current email-view buffer.
If MU4E is non-nil, or if the buffer is in `mu4e-view-mode', also
consider mu4e’s links."
(save-excursion
(save-restriction
(narrow-to-region
(window-start)
(window-end (selected-window) t))
(goto-char (point-min))
(let (link pos candidates)
(setq pos (point))
(while (setq link (ace-link--email-view-next-link pos mu4e))
(goto-char (elt link 1))
(setq pos (ace-link--email-view-end-of-link link))
(push (cons (buffer-substring-no-properties (elt link 1) pos) (elt link 1)) candidates))
(nreverse candidates)))))
;;* `ace-link-mu4e'
;;;###autoload
(defun ace-link-mu4e ()
"Open a visible link in an `mu4e-view-mode' buffer."
(interactive)
(if (bound-and-true-p mu4e-view-use-gnus)
(ace-link-gnus)
(let ((pt (avy-with ace-link-mu4e
(avy-process
(mapcar #'cdr (ace-link--email-view-html-collect t))
(avy--style-fn avy-style)))))
(ace-link--mu4e-action pt))))
(declare-function shr-browse-url "shr")
(declare-function mu4e~view-browse-url-from-binding "ext:mu4e-view")
(declare-function mu4e~view-open-attach-from-binding "ext:mu4e-view")
(defun ace-link--mu4e-action (pt)
"Open link at PT in a `mu4e-view' buffer."
(when (number-or-marker-p pt)
(goto-char (1+ pt))
(cond ((get-text-property (point) 'shr-url)
(shr-browse-url))
((get-text-property (point) 'mu4e-url)
(mu4e~view-browse-url-from-binding))
((get-text-property (point) 'mu4e-attnum)
(mu4e~view-open-attach-from-binding)))))
;;* `ace-link-notmuch'
;;;###autoload
(defun ace-link-notmuch-plain ()
"Open a visible link in a `notmuch-show' buffer.
Only consider the 'text/plain' portion of the buffer."
(interactive)
(let ((pt (avy-with ace-link-notmuch-plain
(avy-process
(ace-link--email-view-plain-collect)
#'avy--overlay-pre))))
(when pt
(ace-link--notmuch-plain-action pt))))
(defun ace-link--notmuch-plain-action (pt)
"Open link at PT in a `notmuch-show' buffer.
Only works in 'text/plain'"
(when (number-or-marker-p pt)
(goto-char pt)
(browse-url-at-point)))
;;;###autoload
(defun ace-link-notmuch-html ()
"Open a visible link in a `notmuch-show' buffer.
Only consider the 'text/html' portion of the buffer."
(interactive)
(if (bound-and-true-p mu4e-view-use-gnus)
(ace-link-gnus)
(let ((pt (avy-with ace-link-mu4e
(avy-process
(mapcar #'cdr (ace-link--email-view-html-collect))
(avy--style-fn avy-style)))))
(ace-link--mu4e-action pt))))
(defun ace-link--notmuch-html-action (pt)
"Open link at PT in a `notmuch-show' buffer.
Only works in 'text/html'"
(when (number-or-marker-p pt)
(when (get-text-property (point) 'shr-url)
(shr-browse-url))))
;;;###autoload
(defun ace-link-notmuch ()
"Open a visible link in `notmuch-show' buffer.
Consider both the links in 'text/plain' and 'text/html'."
(interactive)
(let ((match (avy-with ace-link-notmuch
(avy-process
(ace-link--notmuch-collect)
#'avy--overlay-pre))))
(when match
(let ((pt (car match))
(fn (cdr match)))
(funcall fn pt)))))
(defun ace-link--notmuch-collect ()
"Collect the positions of visible links in `notmuch-show' buffer.
Considers the links in 'text/plain' and 'text/html'.
Returns a list of cons \( fn . pt ) where FN is the function to
call at PT."
(append
(mapcar (lambda (x)
(cons x #'ace-link--notmuch-plain-action))
(ace-link--email-view-plain-collect))
(mapcar (lambda (x)
(cons (cdr x) #'ace-link--notmuch-html-action))
(ace-link--email-view-html-collect))))
;;* `ace-link-widget'
;;;###autoload
(defun ace-link-widget ()
"Open or go to a visible widget."
(interactive)
(let ((pt (avy-with ace-link-widget
(avy-process
(ace-link--widget-collect)
(avy--style-fn avy-style)))))
(ace-link--widget-action pt)))
(defun ace-link--widget-action (pt)
(when (number-or-marker-p pt)
(goto-char pt)
(let ((button (get-char-property pt 'button)))
(when button
(widget-apply-action button)))))
(defun ace-link--widget-collect ()
"Collect the positions of visible widgets in current buffer."
(let (candidates pt)
(save-excursion
(save-restriction
(narrow-to-region
(window-start)
(window-end))
(goto-char (point-min))
(setq pt (point))
(while (progn (widget-forward 1)
(> (point) pt))
(setq pt (point))
(push (point) candidates))))
(nreverse candidates)))
;;* `ace-link-org'
;;;###autoload
(defun ace-link-org ()
"Open a visible link in an `org-mode' buffer."
(interactive)
(require 'org)
(let ((pt (avy-with ace-link-org
(avy-process
(mapcar #'cdr (ace-link--org-collect))
(avy--style-fn avy-style)))))
(ace-link--org-action pt)))
(declare-function org-open-at-point "org")
(declare-function outline-invisible-p "outline")
(defvar org-link-any-re)
(defun ace-link--org-action (pt)
(when (numberp pt)
(goto-char pt)
(org-open-at-point)))
(defun ace-link--org-collect ()
(let ((end (window-end (selected-window) t))
res)
(save-excursion
(goto-char (window-start))
(while (re-search-forward org-link-any-re end t)
;; Check that the link is visible. Look at the last character
;; position in the link ("...X]]") to cover links with and
;; without a description.
(when (not (outline-invisible-p (- (match-end 0) 3)))
(push
(cons
(buffer-substring-no-properties
(match-beginning 0)
(match-end 0))
(match-beginning 0))
res)))
(nreverse res))))
;;* `ace-link-org-agenda'
;;;###autoload
(defun ace-link-org-agenda ()
"Open a visible link in an `org-mode-agenda' buffer."
(interactive)
(require 'org-agenda)
(let ((pt (avy-with ace-link-org-agenda
(avy-process
(mapcar #'cdr (ace-link--org-agenda-collect))
(avy--style-fn avy-style)))))
(ace-link--org-agenda-action pt)))
(declare-function org-agenda-goto "org-agenda")
(defun ace-link--org-agenda-action (pt)
(when (numberp pt)
(goto-char pt)
(org-agenda-goto)))
(defun ace-link--org-agenda-collect ()
(let ((skip (text-property-any
(window-start) (window-end (selected-window) t) 'org-marker nil))
candidates)
(save-excursion
(while (setq skip (text-property-not-all
skip (window-end) 'org-marker nil))
(goto-char skip)
(push (cons (get-char-property (point) 'txt) skip) candidates)
(setq skip (text-property-any (point) (window-end)
'org-marker nil))))
(nreverse candidates)))
;;* `ace-link-xref'
;;;###autoload
(defun ace-link-xref ()
"Open a visible link in an `xref--xref-buffer-mode' buffer."
(interactive)
(let ((pt (avy-with ace-link-xref
(avy-process
(ace-link--xref-collect)
(avy--style-fn avy-style)))))
(ace-link--xref-action pt)))
(declare-function xref-goto-xref "xref")
(defun ace-link--xref-action (pt)
(when (numberp pt)
(goto-char pt)
(xref-goto-xref)))
(defun ace-link--xref-collect ()
(let ((skip (text-property-any
(window-start) (window-end (selected-window) t) 'xref-item nil))
candidates)
(save-excursion
(while (setq skip (text-property-not-all
skip (window-end) 'xref-item nil))
(push (goto-char skip) candidates)
(setq skip (text-property-any (point) (window-end)
'xref-item nil))))
(nreverse candidates)))
;;* `ace-link-custom'
;;;###autoload
(defun ace-link-custom ()
"Open a visible link in an `Custom-mode' buffer."
(interactive)
(let ((pt (avy-with ace-link-custom
(avy-process
(ace-link--custom-collect)
(avy--style-fn avy-style)))))
(ace-link--custom-action pt)))
(declare-function Custom-newline "cus-edit")
(defun ace-link--custom-action (pt)
(when (number-or-marker-p pt)
(goto-char pt)
(Custom-newline (point))))
(defun ace-link--custom-collect ()
"Collect the positions of visible links in the current `Custom-mode' buffer."
(let (candidates pt)
(save-excursion
(save-restriction
(narrow-to-region
(window-start)
(window-end (selected-window) t))
(goto-char (point-min))
(setq pt (point))
(while (progn (widget-forward 1)
(> (point) pt))
(setq pt (point))
(when (get-char-property (point) 'button)
(push (point) candidates)))))
(nreverse candidates)))
;;* `ace-link-addr'
;;;###autoload
(defun ace-link-addr ()
"Open a visible link in a goto-address buffer."
(interactive)
(let ((pt (avy-with ace-link-addr
(avy-process
(ace-link--addr-collect)
(avy--style-fn avy-style)))))
(ace-link--addr-action pt)))
(defun ace-link--addr-action (pt)
(when (number-or-marker-p pt)
(goto-char (1+ pt))
(goto-address-at-point)))
(defun ace-link--addr-collect ()
(let (candidates)
(dolist (overlay (overlays-in (window-start)
(window-end (selected-window) t)))
(if (overlay-get overlay 'goto-address)
(push (overlay-start overlay) candidates)))
(nreverse candidates)))
;;* `ace-link-sldb'
;;;###autoload
(defun ace-link-sldb ()
"Interact with a frame or local variable in a sldb buffer."
(interactive)
(let ((pt (avy-with ace-link-sldb
(avy-process
(ace-link--sldb-collect)
(avy--style-fn avy-style)))))
(ace-link--sldb-action pt)))
(declare-function sldb-default-action "slime")
(defvar ace-link--sldb-action-fn #'sldb-default-action
"Function to call after jump.")
(defun ace-link--sldb-action (pt)
(when (number-or-marker-p pt)
(goto-char pt)
(funcall ace-link--sldb-action-fn)))
(defun ace-link--sldb-collect ()
(let ((vars (list))
(frames (list))
(frame-prop 'frame)
(var-face 'sldb-local-value-face))
(save-excursion
(goto-char (window-start))
(while (< (point) (window-end (selected-window) t))
(when (get-text-property (point) frame-prop)
(if (get-text-property (point) 'var)
(push (text-property-any
(point)
(line-end-position)
'face var-face)
vars)
(push (point) frames)
(point)))
(forward-visible-line 1)))
;; sort variables before frames
(nreverse (nconc frames vars))))
;;* `ace-link-slime-xref'
;;;###autoload
(defun ace-link-slime-xref ()
"Open a visible link in an `slime-xref-mode' buffer."
(interactive)
(let ((pt (avy-with ace-link-slime-xref
(avy-process
(ace-link--slime-xref-collect)
(avy--style-fn avy-style)))))
(ace-link--slime-xref-action pt)))
(declare-function slime-goto-xref "slime.el")
(defun ace-link--slime-xref-action (pt)
(when (number-or-marker-p pt)
(goto-char pt)
(slime-goto-xref)))
(defun ace-link--slime-xref-collect ()
(let ((candidates (list))
(prop 'slime-location)
(pt (window-start)))
(while (and pt (< pt (window-end (selected-window) t)))
(when (get-text-property pt prop)
(push pt candidates))
(setq pt (next-single-property-change pt prop)))
(nreverse candidates)))
;;* `ace-link-slime-inspector'
;;;###autoload
(defun ace-link-slime-inspector ()
"Interact with a value, an action or a range button in a
`slime-inspector-mode' buffer."
(interactive)
(let ((pt (avy-with ace-link-slime-inspector
(avy-process
(ace-link--slime-inspector-collect)
(avy--style-fn avy-style)))))
(ace-link--slime-inspector-action pt)))
(declare-function slime-inspector-operate-on-point "slime.el")
(declare-function slime-inspector-copy-down-to-repl "slime.el")
(defun ace-link--slime-inspector-action (pt)
(when (number-or-marker-p pt)
(goto-char pt)
(if (= pt 1)
(call-interactively #'slime-inspector-copy-down-to-repl)
(slime-inspector-operate-on-point))))
(defun ace-link--slime-inspector-collect ()
(let ((candidates (list))
(part 'slime-part-number)
(range 'slime-range-button)
(action 'slime-action-number)
(pt (window-start)))
(while (and pt (< pt (window-end (selected-window) t)))
(when (or (get-text-property pt part)
(get-text-property pt range)
(get-text-property pt action))
(push pt candidates))
(setq pt (next-property-change pt)))
(nreverse candidates)))
;;* `ace-link-indium-inspector'
;;;###autoload
(defun ace-link-indium-inspector ()
"Interact with a value, an action or a range button in a
`indium-inspector-mode' buffer."
(interactive)
(let ((pt (avy-with ace-link-indium-inspector
(avy-process
(ace-link--indium-inspector-collect)
(avy--style-fn avy-style)))))
(ace-link--indium-inspector-action pt)))
(defun ace-link--indium-inspector-action (pt)
(when (numberp pt)
(goto-char pt)
(indium-follow-link)))
(defun ace-link--indium-inspector-collect ()
"Collect the positions of visible links in the current `indium-inspector-mode' buffer."
(let ((candidates)
(old-position))
(save-excursion
(goto-char (point-max))
(setq old-position (point))
(indium-inspector-previous-reference)
(while (not (= (point) old-position))
(push (point) candidates)
(setq old-position (point))
(indium-inspector-previous-reference)))
candidates))
;;* `ace-link-indium-debugger-frames'
;;;###autoload
(defun ace-link-indium-debugger-frames ()
"Interact with a value, an action or a range button in a
`indium-debugger-frames-mode' buffer."
(interactive)
(let ((pt (avy-with ace-link-indium-debugger-frames
(avy-process
(ace-link--indium-debugger-frames-collect)
(avy--style-fn avy-style)))))
(ace-link--indium-debugger-frames-action pt)))
(defun ace-link--indium-debugger-frames-action (pt)
(when (numberp pt)
(goto-char pt)
(indium-follow-link)))
(defun ace-link--indium-debugger-frames-collect ()
"Collect the positions of visible links in the current `indium-debugger-frames-mode' buffer."
(let ((candidates)
(old-position))
(save-excursion
(goto-char (point-max))
(setq old-position (point))
(indium-debugger-frames-previous-frame)
(while (and (not (= (point) old-position)) (not (= (point) (point-min))))
(push (point) candidates)
(setq old-position (point))
(indium-debugger-frames-previous-frame)))
candidates))
;;* `ace-link-cider-inspector'
;;;###autoload
(defun ace-link-cider-inspector ()
"Open a visible link in a `cider-inspector-mode' buffer."
(interactive)
(let ((pt (avy-with ace-link-cider-inspector
(avy-process
(ace-link--cider-inspector-collect)
(avy--style-fn avy-style)))))
(ace-link--cider-inspector-action pt)))
(declare-function cider-inspector-operate-on-point "ext:cider-inspector")
(defun ace-link--cider-inspector-collect ()
"Collect the positions of visible links in the current
`cider-inspector-mode' buffer."
(let ((end (window-end (selected-window) t))
points)
(save-excursion
(goto-char (window-start))