-;;; notmuch-tree.el --- displaying notmuch forests
+;;; notmuch-tree.el --- displaying notmuch forests -*- lexical-binding: t -*-
;;
;; Copyright © Carl Worth
;; Copyright © David Edmondson
;;; Code:
-(eval-when-compile (require 'cl-lib))
-
(require 'mail-parse)
(require 'notmuch-lib)
-(require 'notmuch-query)
(require 'notmuch-show)
(require 'notmuch-tag)
(require 'notmuch-parser)
(require 'notmuch-jump)
(declare-function notmuch-search "notmuch"
- (&optional query oldest-first target-thread target-line))
-(declare-function notmuch-call-notmuch-process "notmuch" (&rest args))
+ (&optional query oldest-first target-thread target-line
+ no-display))
+(declare-function notmuch-call-notmuch-process "notmuch-lib" (&rest args))
(declare-function notmuch-read-query "notmuch" (prompt))
(declare-function notmuch-search-find-thread-id "notmuch" (&optional bare))
(declare-function notmuch-search-find-subject "notmuch" ())
(declare-function notmuch-search-previous-thread "notmuch" ())
(declare-function notmuch-tree-from-search-thread "notmuch" ())
-;; the following variable is defined in notmuch.el
-(defvar notmuch-search-query-string)
-
;; this variable distinguishes the unthreaded display from the normal tree display
(defvar-local notmuch-tree-unthreaded nil
"A buffer local copy of argument unthreaded to the function notmuch-tree.")
+;;; Options
+
(defgroup notmuch-tree nil
"Showing message and thread structure."
:group 'notmuch)
notmuch-unthreaded-show-out
notmuch-tree-show-out))
+(defcustom notmuch-tree-thread-symbols
+ '((prefix . " ")
+ (top . "─")
+ (top-tee . "┬")
+ (vertical . "│")
+ (vertical-tee . "├")
+ (bottom . "╰")
+ (arrow . "►"))
+ "Strings used to draw trees in notmuch tree results.
+Symbol keys denote where the corresponding string value is used:
+`prefix' is used at the top of the tree, followed by `top' if it
+has no children or `top-tee' if it does; `vertical' is a bar
+connecting with a response down the list skipping the current
+one, while `vertical-tee' marks the current message as a reply to
+the previous one; `bottom' is used at the bottom of threads.
+Finally, the `arrrow' string in the list is used as a pointer to
+every message.
+
+Common customizations include setting `prefix' to \"-\", to see
+equal-length prefixes, and `arrow' to an empty string or to a
+different kind of arrow point."
+ :type '(alist :key-type symbol :value-type string)
+ :group 'notmuch-tree)
+
+(defconst notmuch-tree--field-names
+ '(choice :tag "Field"
+ (const :tag "Date" "date")
+ (const :tag "Authors" "authors")
+ (const :tag "Subject" "subject")
+ (const :tag "Tree" "tree")
+ (const :tag "Tags" "tags")
+ (function)))
+
(defcustom notmuch-tree-result-format
`(("date" . "%12s ")
("authors" . "%-20s")
- ((("tree" . "%s")("subject" . "%s")) ." %-54s ")
+ ((("tree" . "%s")
+ ("subject" . "%s"))
+ . " %-54s ")
("tags" . "(%s)"))
- "Result formatting for tree view. Supported fields are: date,
-authors, subject, tree, tags. Tree means the thread tree
-box graphics. The field may also be a list in which case
-the formatting rules are applied recursively and then the
-output of all the fields in the list is inserted
-according to format-string.
-
-Note the author string should not contain
-whitespace (put it in the neighbouring fields instead).
-For example:
- (setq notmuch-tree-result-format \(\(\"authors\" . \"%-40s\"\)
- \(\"subject\" . \"%s\"\)\)\)"
- :type '(alist :key-type (string) :value-type (string))
+ "Result formatting for tree view.
+
+List of pairs of (field . format-string). Supported field
+strings are: \"date\", \"authors\", \"subject\", \"tree\",
+\"tags\". It is also supported to pass a function in place of a
+field-name. In this case the function is passed the thread
+object (plist) and format string.
+
+Tree means the thread tree box graphics. The field may
+also be a list in which case the formatting rules are
+applied recursively and then the output of all the fields
+in the list is inserted according to format-string.
+
+Note that the author string should not contain whitespace
+\(put it in the neighbouring fields instead)."
+
+ :type `(alist :key-type (choice ,notmuch-tree--field-names
+ (alist :key-type ,notmuch-tree--field-names
+ :value-type (string :tag "Format")))
+ :value-type (string :tag "Format"))
:group 'notmuch-tree)
(defcustom notmuch-unthreaded-result-format
("authors" . "%-20s")
((("subject" . "%s")) ." %-54s ")
("tags" . "(%s)"))
- "Result formatting for unthreaded tree view. Supported fields are: date,
-authors, subject, tree, tags. Tree means the thread tree
-box graphics. The field may also be a list in which case
-the formatting rules are applied recursively and then the
-output of all the fields in the list is inserted
-according to format-string.
-
-Note the author string should not contain
-whitespace (put it in the neighbouring fields instead).
-For example:
- (setq notmuch-tree-result-format \(\(\"authors\" . \"%-40s\"\)
- \(\"subject\" . \"%s\"\)\)\)"
- :type '(alist :key-type (string) :value-type (string))
+ "Result formatting for unthreaded tree view.
+
+List of pairs of (field . format-string). Supported field
+strings are: \"date\", \"authors\", \"subject\", \"tree\",
+\"tags\". It is also supported to pass a function in place of a
+field-name. In this case the function is passed the thread
+object (plist) and format string.
+
+Tree means the thread tree box graphics. The field may
+also be a list in which case the formatting rules are
+applied recursively and then the output of all the fields
+in the list is inserted according to format-string.
+
+Note that the author string should not contain whitespace
+\(put it in the neighbouring fields instead)."
+
+ :type `(alist :key-type (choice ,notmuch-tree--field-names
+ (alist :key-type ,notmuch-tree--field-names
+ :value-type (string :tag "Format")))
+ :value-type (string :tag "Format"))
:group 'notmuch-tree)
(defun notmuch-tree-result-format ()
notmuch-unthreaded-result-format
notmuch-tree-result-format))
-;; Faces for messages that match the query.
+;;; Faces
+;;;; Faces for messages that match the query
+
(defface notmuch-tree-match-face
'((t :inherit default))
"Default face used in tree mode face for matching messages"
(:foreground "dark blue"))
(t
(:bold t)))
- "Face used in tree mode for the date in messages matching the query."
+ "Face used in tree mode for the author in messages matching the query."
:group 'notmuch-tree
:group 'notmuch-faces)
(defface notmuch-tree-match-tree-face
nil
- "Face used in tree mode for the thread tree block graphics in messages matching the query."
+ "Face used in tree mode for the thread tree block graphics in
+messages matching the query."
:group 'notmuch-tree
:group 'notmuch-faces)
:group 'notmuch-tree
:group 'notmuch-faces)
-;; Faces for messages that do not match the query.
+;;;; Faces for messages that do not match the query
+
(defface notmuch-tree-no-match-face
'((t (:foreground "gray")))
"Default face used in tree mode face for non-matching messages."
(defface notmuch-tree-no-match-tree-face
nil
- "Face used in tree mode for the thread tree block graphics in messages matching the query."
+ "Face used in tree mode for the thread tree block graphics in
+messages matching the query."
:group 'notmuch-tree
:group 'notmuch-faces)
(defface notmuch-tree-no-match-author-face
nil
- "Face used in tree mode for the date in messages matching the query."
+ "Face used in tree mode for non-matching authors."
:group 'notmuch-tree
:group 'notmuch-faces)
:group 'notmuch-tree
:group 'notmuch-faces)
+;;; Variables
+
(defvar-local notmuch-tree-previous-subject
"The subject of the most recent result shown during the async display.")
if the user has loaded a different buffer in that window.")
(put 'notmuch-tree-message-buffer 'permanent-local t)
+;;; Tree wrapper commands
+
(defmacro notmuch-tree--define-do-in-message-window (name cmd)
"Define NAME as a command that calls CMD interactively in the message window.
If the message pane is closed then this command does nothing.
notmuch-tree-view-raw-message
notmuch-show-view-raw-message)
+;;; Keymap
+
(defvar notmuch-tree-mode-map
(let ((map (make-sparse-keymap)))
(set-keymap-parent map notmuch-common-keymap)
;; These bindings shadow common bindings with variants
;; that additionally close the message window.
(define-key map [remap notmuch-bury-or-kill-this-buffer] 'notmuch-tree-quit)
- (define-key map [remap notmuch-search] 'notmuch-tree-to-search)
- (define-key map [remap notmuch-help] 'notmuch-tree-help)
- (define-key map [remap notmuch-mua-new-mail] 'notmuch-tree-new-mail)
- (define-key map [remap notmuch-jump-search] 'notmuch-tree-jump-search)
+ (define-key map [remap notmuch-search] 'notmuch-tree-to-search)
+ (define-key map [remap notmuch-help] 'notmuch-tree-help)
+ (define-key map [remap notmuch-mua-new-mail] 'notmuch-tree-new-mail)
+ (define-key map [remap notmuch-jump-search] 'notmuch-tree-jump-search)
+ (define-key map "o" 'notmuch-tree-toggle-order)
+ (define-key map "i" 'notmuch-tree-toggle-hide-excluded)
(define-key map "S" 'notmuch-search-from-tree-current-query)
(define-key map "U" 'notmuch-unthreaded-from-tree-current-query)
(define-key map "Z" 'notmuch-tree-from-unthreaded-current-query)
(define-key map "r" 'notmuch-tree-reply-sender)
(define-key map "R" 'notmuch-tree-reply)
(define-key map "V" 'notmuch-tree-view-raw-message)
+ (define-key map "l" 'notmuch-tree-filter)
+ (define-key map "t" 'notmuch-tree-filter-by-tag)
+ (define-key map "E" 'notmuch-tree-edit-search)
;; The main tree view bindings
(define-key map (kbd "RET") 'notmuch-tree-show-message)
map)
"Keymap for \"notmuch tree\" buffers.")
+;;; Message properties
+
(defun notmuch-tree-get-message-properties ()
"Return the properties of the current message as a plist.
(notmuch-tree-set-message-properties props)))
(defun notmuch-tree-get-prop (prop &optional props)
- (let ((props (or props
- (notmuch-tree-get-message-properties))))
- (plist-get props prop)))
+ (plist-get (or props (notmuch-tree-get-message-properties))
+ prop))
(defun notmuch-tree-set-tags (tags)
"Set the tags of the current message."
(defun notmuch-tree-get-match ()
"Return whether the current message is a match."
- (interactive)
(notmuch-tree-get-prop :match))
+;;; Update display
+
(defun notmuch-tree-refresh-result ()
"Redisplay the current message line.
(when (string= tree-msg-id (notmuch-show-get-message-id))
(notmuch-show-update-tags new-tags)))))))
+;;; Commands (and some helper functions used by them)
+
(defun notmuch-tree-tag (tag-changes)
"Change tags for the current message."
(interactive
"Call notmuch search with the current query."
(interactive)
(notmuch-tree-close-message-window)
- (notmuch-search (notmuch-tree-get-query)))
+ (notmuch-search (notmuch-tree-get-query)
+ notmuch-search-oldest-first
+ notmuch-search-hide-excluded))
(defun notmuch-tree-message-window-kill-hook ()
"Close the message pane when exiting the show buffer."
(with-selected-window notmuch-tree-message-window
(let (;; Since we are only displaying one message do not indent.
(notmuch-show-indent-messages-width 0)
- (notmuch-show-only-matching-messages t)
+ (notmuch-show-single-message t)
;; Ensure that `pop-to-buffer-same-window' uses the
;; window we want it to use.
(display-buffer-overriding-action
"Show the current message (in whole window)."
(interactive)
(let ((id (notmuch-tree-get-message-id))
- (inhibit-read-only t)
- buffer)
+ (inhibit-read-only t))
(when id
;; We close the window to kill off un-needed buffers.
(notmuch-tree-close-message-window)
- (notmuch-show id))))
+ ;; n-s-s-m is buffer local, so use inner let.
+ (let ((notmuch-show-single-message t))
+ (notmuch-show id)))))
(defun notmuch-tree-show-message (arg)
"Show the current message.
query-context
target
nil
- unthreaded)))
+ unthreaded
+ notmuch-search-oldest-first
+ notmuch-search-hide-excluded)))
(defun notmuch-tree-thread-top ()
(when (notmuch-tree-get-message-properties)
(notmuch-tree-from-search-thread))))
(defun notmuch-tree-next-thread (&optional previous)
- "Move to the next thread in the current tree or parent search
-results
+ "Move to the next thread in the current tree or parent search results.
If PREVIOUS is non-nil, move to the previous thread in the tree or
search results instead."
(notmuch-tree-next-thread-from-search previous)))
(defun notmuch-tree-prev-thread ()
- "Move to the previous thread in the current tree or parent search
-results"
+ "Move to the previous thread in the current tree or parent search results."
(interactive)
(notmuch-tree-next-thread t))
(defun notmuch-tree-thread-mapcar (function)
- "Iterate through all messages in the current thread
- and call FUNCTION for side effects."
+ "Call FUNCTION for each message in the current thread.
+FUNCTION is called for side effects only."
(save-excursion
(notmuch-tree-thread-top)
(cl-loop collect (funcall function)
(notmuch-tree-tag-thread
(notmuch-tag-change-list notmuch-archive-tags unarchive))))
-;; Functions below here display the tree buffer itself.
+;;; Functions for displaying the tree buffer itself
(defun notmuch-tree-clean-address (address)
"Try to clean a single email ADDRESS for display. Return
((listp field)
(format format-string (notmuch-tree-format-field-list field msg)))
+ ((functionp field)
+ (funcall field format-string msg))
+
((string-equal field "date")
(let ((face (if match
'notmuch-tree-match-date-face
(goto-char (point-max))
(forward-line -1)
(when notmuch-tree-open-target
- (notmuch-tree-show-message-in)))))
+ (notmuch-tree-show-message-in)
+ (notmuch-tree-command-hook)))))
(defun notmuch-tree-insert-tree (tree depth tree-status first last)
"Insert the message tree TREE at depth DEPTH in the current thread.
A message tree is another name for a single sub-thread: i.e., a
message together with all its descendents."
(let ((msg (car tree))
- (replies (cadr tree)))
+ (replies (cadr tree))
+ ;; outline level, computed from the message's depth and
+ ;; whether or not it's the first message in the tree.
+ (level (1+ (if (and (eq 0 depth) (not first)) 1 depth))))
(cond
((and (< 0 depth) (not last))
- (push "├" tree-status))
+ (push (alist-get 'vertical-tee notmuch-tree-thread-symbols) tree-status))
((and (< 0 depth) last)
- (push "╰" tree-status))
+ (push (alist-get 'bottom notmuch-tree-thread-symbols) tree-status))
((and (eq 0 depth) first last)
- ;; Choice between these two variants is a matter of taste.
- ;; (push "─" tree-status))
- (push " " tree-status))
+ (push (alist-get 'prefix notmuch-tree-thread-symbols) tree-status))
((and (eq 0 depth) first (not last))
- (push "┬" tree-status))
+ (push (alist-get 'top-tee notmuch-tree-thread-symbols) tree-status))
((and (eq 0 depth) (not first) last)
- (push "╰" tree-status))
+ (push (alist-get 'bottom notmuch-tree-thread-symbols) tree-status))
((and (eq 0 depth) (not first) (not last))
- (push "├" tree-status)))
- (push (concat (if replies "┬" "─") "►") tree-status)
+ (push (alist-get 'vertical-tee notmuch-tree-thread-symbols) tree-status)))
+ (push (concat (alist-get (if replies 'top-tee 'top) notmuch-tree-thread-symbols)
+ (alist-get 'arrow notmuch-tree-thread-symbols))
+ tree-status)
(setq msg (plist-put msg :first (and first (eq 0 depth))))
(setq msg (plist-put msg :tree-status tree-status))
(setq msg (plist-put msg :orig-tags (plist-get msg :tags)))
+ (setq msg (plist-put msg :level level))
(notmuch-tree-goto-and-insert-msg msg)
(pop tree-status)
(pop tree-status)
(if last
(push " " tree-status)
- (push "│" tree-status))
+ (push (alist-get 'vertical notmuch-tree-thread-symbols) tree-status))
(notmuch-tree-insert-thread replies (1+ depth) tree-status)))
(defun notmuch-tree-insert-thread (thread depth tree-status)
- "Insert the collection of sibling sub-threads THREAD at depth DEPTH in the current forest."
+ "Insert the collection of sibling sub-threads THREAD at depth
+DEPTH in the current forest."
(let ((n (length thread)))
(cl-loop for tree in thread
for count from 1 to n
(defun notmuch-tree-insert-forest-thread (forest-thread)
"Insert a single complete thread."
- (let (tree-status)
- ;; Reset at the start of each main thread.
- (setq notmuch-tree-previous-subject nil)
- (notmuch-tree-insert-thread forest-thread 0 tree-status)))
+ ;; Reset at the start of each main thread.
+ (setq notmuch-tree-previous-subject nil)
+ (notmuch-tree-insert-thread forest-thread 0 nil))
(defun notmuch-tree-insert-forest (forest)
"Insert a forest of threads.
(setq notmuch-buffer-refresh-function #'notmuch-tree-refresh-view)
(hl-line-mode 1)
(setq buffer-read-only t)
- (setq truncate-lines t))
+ (setq truncate-lines t)
+ (when notmuch-tree-outline-enabled (notmuch-tree-outline-mode 1)))
+
+(defvar notmuch-tree-process-exit-functions nil
+ "Functions called when the process inserting a tree of results finishes.
+
+Functions in this list are called with one argument, the process
+object, and with the tree results buffer as the current buffer.")
-(defun notmuch-tree-process-sentinel (proc msg)
+(defun notmuch-tree-process-sentinel (proc _msg)
"Add a message to let user know when \"notmuch tree\" exits."
(let ((buffer (process-buffer proc))
(status (process-status proc))
- (exit-status (process-exit-status proc))
- (never-found-target-thread nil))
+ (exit-status (process-exit-status proc)))
(when (memq status '(exit signal))
(kill-buffer (process-get proc 'parse-buf))
(when (buffer-live-p buffer)
(with-current-buffer buffer
(save-excursion
- (let ((inhibit-read-only t)
- (atbob (bobp)))
+ (let ((inhibit-read-only t))
(goto-char (point-max))
(when (eq status 'signal)
(insert "Incomplete search results (tree view process was killed).\n"))
(insert "End of search results.")
(unless (= exit-status 0)
(insert (format " (process returned %d)" exit-status)))
- (insert "\n")))))))))
+ (insert "\n"))))
+ (run-hook-with-args 'notmuch-tree-process-exit-functions proc))))))
(defun notmuch-tree-process-filter (proc string)
"Process and filter the output of \"notmuch show\" for tree view."
(let ((results-buf (process-buffer proc))
(parse-buf (process-get proc 'parse-buf))
- (inhibit-read-only t)
- done)
+ (inhibit-read-only t))
(if (not (buffer-live-p results-buf))
(delete-process proc)
(with-current-buffer parse-buf
(notmuch-sexp-parse-partial-list 'notmuch-tree-insert-forest-thread
results-buf)))))
-(defun notmuch-tree-worker (basic-query &optional query-context target open-target unthreaded)
+(defun notmuch-tree-worker (basic-query &optional query-context target
+ open-target unthreaded oldest-first
+ exclude)
"Insert the tree view of the search in the current buffer.
This is is a helper function for notmuch-tree. The arguments are
(interactive)
(notmuch-tree-mode)
(add-hook 'post-command-hook #'notmuch-tree-command-hook t t)
+ (setq notmuch-search-oldest-first oldest-first)
+ (setq notmuch-search-hide-excluded exclude)
(setq notmuch-tree-unthreaded unthreaded)
(setq notmuch-tree-basic-query basic-query)
(setq notmuch-tree-query-context (if (or (string= query-context "")
(let* ((search-args (concat basic-query
(and query-context
(concat " and (" query-context ")"))))
- (message-arg (if unthreaded "--unthreaded" "--entire-thread")))
- (when (equal (car (process-lines notmuch-command "count" search-args)) "0")
+ (sort-arg (if oldest-first "--sort=oldest-first" "--sort=newest-first"))
+ (message-arg (if unthreaded "--unthreaded" "--entire-thread"))
+ (exclude-arg (if exclude "--exclude=true" "--exclude=false")))
+ (when (equal (car (notmuch--process-lines notmuch-command "count" search-args)) "0")
(setq search-args basic-query))
(notmuch-tag-clear-cache)
(let ((proc (notmuch-start-notmuch
"notmuch-tree" (current-buffer) #'notmuch-tree-process-sentinel
- "show" "--body=false" "--format=sexp" "--format-version=4"
- message-arg search-args))
+ "show" "--body=false" "--format=sexp" "--format-version=5"
+ sort-arg message-arg exclude-arg search-args))
;; Use a scratch buffer to accumulate partial output.
;; This buffer will be killed by the sentinel, which
;; should be called no matter how the process dies.
")")
notmuch-tree-basic-query))
-(defun notmuch-tree (&optional query query-context target buffer-name open-target unthreaded parent-buffer)
+(defun notmuch-tree-toggle-order ()
+ "Toggle the current search order.
+
+This command toggles the sort order for the current search. The
+default sort order is defined by `notmuch-search-oldest-first'."
+ (interactive)
+ (setq notmuch-search-oldest-first (not notmuch-search-oldest-first))
+ (notmuch-tree-refresh-view))
+
+(defun notmuch-tree-toggle-hide-excluded ()
+ "Toggle whether to hide excluded messages.
+
+This command toggles whether to hide excluded messages for the current
+search. The default value for this is defined by `notmuch-search-hide-excluded'."
+ (interactive)
+ (setq notmuch-search-hide-excluded (not notmuch-search-hide-excluded))
+ (notmuch-tree-refresh-view))
+
+;;;###autoload
+(defun notmuch-tree (&optional query query-context target buffer-name
+ open-target unthreaded parent-buffer
+ oldest-first hide-excluded)
"Display threads matching QUERY in tree view.
The arguments are:
it is nil \"*notmuch-tree\" followed by QUERY is used.
OPEN-TARGET: If TRUE open the target message in the message pane.
UNTHREADED: If TRUE only show matching messages in an unthreaded view."
- (interactive)
+ (interactive
+ (list
+ ;; Prompt for a query
+ nil
+ ;; Fill other args with nil.
+ nil nil nil nil nil nil
+ ;; Populate these from the default value of these options.
+ (default-value 'notmuch-search-oldest-first)
+ (default-value 'notmuch-search-hide-excluded)))
(unless query
(setq query (notmuch-read-query (concat "Notmuch "
(if unthreaded "unthreaded " "tree ")
"view search: "))))
- (let ((buffer (get-buffer-create (generate-new-buffer-name
- (or buffer-name
- (concat "*notmuch-"
- (if unthreaded "unthreaded-" "tree-")
- query "*")))))
+ (let* ((name
+ (or buffer-name
+ (notmuch-search-buffer-title query
+ (if unthreaded "unthreaded" "tree"))))
+ (buffer (get-buffer-create (generate-new-buffer-name name)))
(inhibit-read-only t))
(pop-to-buffer-same-window buffer))
;; Don't track undo information for this buffer
- (set 'buffer-undo-list t)
- (notmuch-tree-worker query query-context target open-target unthreaded)
+ (setq buffer-undo-list t)
+ (notmuch-tree-worker query query-context target open-target
+ unthreaded oldest-first hide-excluded)
(setq notmuch-tree-parent-buffer parent-buffer)
(setq truncate-lines t))
-(defun notmuch-unthreaded (&optional query query-context target buffer-name open-target)
+(defun notmuch-unthreaded (&optional query query-context target buffer-name
+ open-target oldest-first hide-excluded)
+ "Display threads matching QUERY in unthreaded view.
+
+See function NOTMUCH-TREE for documentation of the arguments"
+ (interactive
+ (list
+ ;; Prompt for a query
+ nil
+ ;; Fill other args with nil.
+ nil nil nil nil
+ ;; Populate these from the default value of these options.
+ (default-value 'notmuch-search-oldest-first)
+ (default-value 'notmuch-search-hide-excluded)))
+ (notmuch-tree query query-context target buffer-name open-target
+ t nil oldest-first hide-excluded))
+
+(defun notmuch-tree-filter (query)
+ "Filter or LIMIT the current search results based on an additional query string.
+
+Runs a new tree search matching only messages that match both the
+current search results AND the additional query string provided."
+ (interactive (list (notmuch-read-query "Filter search: ")))
+ (let ((notmuch-show-process-crypto (notmuch-tree--message-process-crypto))
+ (grouped-query (notmuch-group-disjunctive-query-string query))
+ (grouped-original-query (notmuch-group-disjunctive-query-string
+ (notmuch-tree-get-query))))
+ (notmuch-tree-close-message-window)
+ (notmuch-tree (if (string= grouped-original-query "*")
+ grouped-query
+ (concat grouped-original-query " and " grouped-query)))))
+
+(defun notmuch-tree-filter-by-tag (tag)
+ "Filter the current search results based on a single TAG.
+
+Run a new search matching only messages that match the current
+search results and that are also tagged with the given TAG."
+ (interactive
+ (list (notmuch-select-tag-with-completion "Filter by tag: "
+ notmuch-tree-basic-query)))
+ (let ((notmuch-show-process-crypto (notmuch-tree--message-process-crypto)))
+ (notmuch-tree-close-message-window)
+ (notmuch-tree (concat notmuch-tree-basic-query " and tag:" tag)
+ notmuch-tree-query-context
+ nil
+ nil
+ nil
+ notmuch-tree-unthreaded
+ nil
+ notmuch-search-oldest-first
+ notmuch-search-hide-excluded)))
+
+(defun notmuch-tree-edit-search (query)
+ "Edit the current search"
+ (interactive (list (read-from-minibuffer "Edit search: "
+ notmuch-tree-basic-query)))
+ (let ((notmuch-show-process-crypto (notmuch-tree--message-process-crypto)))
+ (notmuch-tree-close-message-window)
+ (notmuch-tree query
+ notmuch-tree-query-context
+ nil
+ nil
+ nil
+ notmuch-tree-unthreaded
+ nil
+ notmuch-search-oldest-first)))
+
+;;; Tree outline mode
+;;;; Custom variables
+(defcustom notmuch-tree-outline-enabled nil
+ "Whether to automatically activate `notmuch-tree-outline-mode' in tree views."
+ :type 'boolean)
+
+(defcustom notmuch-tree-outline-visibility 'hide-others
+ "Default state of the forest outline for `notmuch-tree-outline-mode'.
+
+This variable controls the state of a forest initially and after
+a movement command. If set to nil, all trees are displayed while
+the symbol hide-all indicates that all trees in the forest should
+be folded and hide-other that only the first one should be
+unfolded."
+ :type '(choice (const :tag "Show all" nil)
+ (const :tag "Hide others" hide-others)
+ (const :tag "Hide all" hide-all)))
+
+(defcustom notmuch-tree-outline-auto-close nil
+ "Close message and tree windows when moving past the last message."
+ :type 'boolean)
+
+(defcustom notmuch-tree-outline-open-on-next nil
+ "Open new messages under point if they are closed when moving to next one.
+
+When this flag is set, using the command
+`notmuch-tree-outline-next' with point on a header for a new
+message that is not shown will open its `notmuch-show' buffer
+instead of moving point to next matching message."
+ :type 'boolean)
+
+;;;; Helper functions
+(defsubst notmuch-tree-outline--pop-at-end (pop-at-end)
+ (if notmuch-tree-outline-auto-close (not pop-at-end) pop-at-end))
+
+(defun notmuch-tree-outline--set-visibility ()
+ (when (and notmuch-tree-outline-mode (> (point-max) (point-min)))
+ (cl-case notmuch-tree-outline-visibility
+ (hide-others (notmuch-tree-outline-hide-others))
+ (hide-all (outline-hide-body)))))
+
+(defun notmuch-tree-outline--on-exit (proc)
+ (when (eq (process-status proc) 'exit)
+ (notmuch-tree-outline--set-visibility)))
+
+(add-hook 'notmuch-tree-process-exit-functions #'notmuch-tree-outline--on-exit)
+
+(defsubst notmuch-tree-outline--level (&optional props)
+ (or (plist-get (or props (notmuch-tree-get-message-properties)) :level) 0))
+
+(defsubst notmuch-tree-outline--message-open-p ()
+ (and (buffer-live-p notmuch-tree-message-buffer)
+ (get-buffer-window notmuch-tree-message-buffer)
+ (let ((id (notmuch-tree-get-message-id)))
+ (and id
+ (with-current-buffer notmuch-tree-message-buffer
+ (string= (notmuch-show-get-message-id) id))))))
+
+(defsubst notmuch-tree-outline--at-original-match-p ()
+ (and (notmuch-tree-get-prop :match)
+ (equal (notmuch-tree-get-prop :orig-tags)
+ (notmuch-tree-get-prop :tags))))
+
+(defun notmuch-tree-outline--next (prev thread pop-at-end &optional open-new)
+ (cond (thread
+ (notmuch-tree-thread-top)
+ (if prev
+ (outline-backward-same-level 1)
+ (outline-forward-same-level 1))
+ (when (> (notmuch-tree-outline--level) 0) (outline-show-branches))
+ (notmuch-tree-outline--next nil nil pop-at-end t))
+ ((and (or open-new notmuch-tree-outline-open-on-next)
+ (notmuch-tree-outline--at-original-match-p)
+ (not (notmuch-tree-outline--message-open-p)))
+ (notmuch-tree-outline-hide-others t))
+ (t (outline-next-visible-heading (if prev -1 1))
+ (unless (notmuch-tree-get-prop :match)
+ (notmuch-tree-matching-message prev pop-at-end))
+ (notmuch-tree-outline-hide-others t))))
+
+;;;; User commands
+(defun notmuch-tree-outline-hide-others (&optional and-show)
+ "Fold all threads except the one around point.
+If AND-SHOW is t, make the current message visible if it's not."
+ (interactive)
+ (save-excursion
+ (while (and (not (bobp)) (> (notmuch-tree-outline--level) 1))
+ (outline-previous-heading))
+ (outline-hide-sublevels 1))
+ (when (> (notmuch-tree-outline--level) 0)
+ (outline-show-subtree)
+ (when and-show (notmuch-tree-show-message nil))))
+
+(defun notmuch-tree-outline-next (&optional pop-at-end)
+ "Next matching message in a forest, taking care of thread visibility.
+A prefix argument reverses the meaning of `notmuch-tree-outline-auto-close'."
+ (interactive "P")
+ (let ((pop (notmuch-tree-outline--pop-at-end pop-at-end)))
+ (if (null notmuch-tree-outline-visibility)
+ (notmuch-tree-matching-message nil pop)
+ (notmuch-tree-outline--next nil nil pop))))
+
+(defun notmuch-tree-outline-previous (&optional pop-at-end)
+ "Previous matching message in forest, taking care of thread visibility.
+With prefix, quit the tree view if there is no previous message."
+ (interactive "P")
+ (if (null notmuch-tree-outline-visibility)
+ (notmuch-tree-prev-matching-message pop-at-end)
+ (notmuch-tree-outline--next t nil pop-at-end)))
+
+(defun notmuch-tree-outline-next-thread ()
+ "Next matching thread in forest, taking care of thread visibility."
(interactive)
- (notmuch-tree query query-context target buffer-name open-target t))
+ (if (null notmuch-tree-outline-visibility)
+ (notmuch-tree-next-thread)
+ (notmuch-tree-outline--next nil t nil)))
-;;
+(defun notmuch-tree-outline-previous-thread ()
+ "Previous matching thread in forest, taking care of thread visibility."
+ (interactive)
+ (if (null notmuch-tree-outline-visibility)
+ (notmuch-tree-prev-thread)
+ (notmuch-tree-outline--next t t nil)))
+
+;;;; Mode definition
+(defvar notmuch-tree-outline-mode-lighter nil
+ "The lighter mark for notmuch-tree-outline mode.
+Usually empty since outline-minor-mode's lighter will be active.")
+
+(define-minor-mode notmuch-tree-outline-mode
+ "Minor mode allowing message trees to be folded as outlines.
+
+When this mode is set, each thread and subthread in the results
+list is treated as a foldable section, with its first message as
+its header.
+
+The mode just makes available in the tree buffer all the
+keybindings in `outline-minor-mode', and binds the following
+additional keys:
+
+\\{notmuch-tree-outline-mode-map}
+
+The customizable variable `notmuch-tree-outline-visibility'
+controls how navigation in the buffer is affected by this mode:
+
+ - If it is set to nil, `notmuch-tree-outline-previous',
+ `notmuch-tree-outline-next', and their thread counterparts
+ behave just as the corresponding notmuch-tree navigation keys
+ when this mode is not enabled.
+
+ - If, on the other hand, `notmuch-tree-outline-visibility' is
+ set to a non-nil value, these commands hiding the outlines of
+ the trees you are not reading as you move to new messages.
+
+To enable notmuch-tree-outline-mode by default in all
+notmuch-tree buffers, just set
+`notmuch-tree-outline-mode-enabled' to t."
+ :lighter notmuch-tree-outline-mode-lighter
+ :keymap `((,(kbd "TAB") . outline-cycle)
+ (,(kbd "M-TAB") . outline-cycle-buffer)
+ ("n" . notmuch-tree-outline-next)
+ ("p" . notmuch-tree-outline-previous)
+ (,(kbd "M-n") . notmuch-tree-outline-next-thread)
+ (,(kbd "M-p") . notmuch-tree-outline-previous-thread))
+ (outline-minor-mode notmuch-tree-outline-mode)
+ (unless (derived-mode-p 'notmuch-tree-mode)
+ (user-error "notmuch-tree-outline-mode is only meaningful for notmuch trees!"))
+ (if notmuch-tree-outline-mode
+ (progn (setq-local outline-regexp "^[^\n]+")
+ (setq-local outline-level #'notmuch-tree-outline--level)
+ (notmuch-tree-outline--set-visibility))
+ (setq-local outline-regexp (default-value 'outline-regexp))
+ (setq-local outline-level (default-value 'outline-level))))
+
+;;; _
(provide 'notmuch-tree)
projects / notmuch / blobdiff