;;
;; Authors: David Edmondson <dme@dme.org>
+(eval-when-compile (require 'cl))
(require 'widget)
(require 'wid-edit) ; For `widget-forward'.
-(require 'cl)
(require 'notmuch-lib)
(require 'notmuch-mua)
-(declare-function notmuch-search "notmuch" (query &optional oldest-first target-thread target-line continuation))
+(declare-function notmuch-search "notmuch" (&optional query oldest-first target-thread target-line continuation))
(declare-function notmuch-poll "notmuch" ())
-(defvar notmuch-hello-search-bar-marker nil
- "The position of the search bar within the notmuch-hello buffer.")
-
-(defcustom notmuch-recent-searches-max 10
- "The number of recent searches to store and display."
+(defcustom notmuch-hello-recent-searches-max 10
+ "The number of recent searches to display."
:type 'integer
- :group 'notmuch)
+ :group 'notmuch-hello)
(defcustom notmuch-show-empty-saved-searches nil
"Should saved searches with no messages be listed?"
:type 'boolean
- :group 'notmuch)
+ :group 'notmuch-hello)
+
+(defun notmuch-sort-saved-searches (alist)
+ "Generate an alphabetically sorted saved searches alist."
+ (sort (copy-sequence alist) (lambda (a b) (string< (car a) (car b)))))
+
+(defcustom notmuch-saved-search-sort-function nil
+ "Function used to sort the saved searches for the notmuch-hello view.
+
+This variable controls how saved searches should be sorted. No
+sorting (nil) displays the saved searches in the order they are
+stored in `notmuch-saved-searches'. Sort alphabetically sorts the
+saved searches in alphabetical order. Custom sort function should
+be a function or a lambda expression that takes the saved
+searches alist as a parameter, and returns a new saved searches
+alist to be used."
+ :type '(choice (const :tag "No sorting" nil)
+ (const :tag "Sort alphabetically" notmuch-sort-saved-searches)
+ (function :tag "Custom sort function"
+ :value notmuch-sort-saved-searches))
+ :group 'notmuch-hello)
(defvar notmuch-hello-indent 4
"How much to indent non-headers.")
(defcustom notmuch-show-logo t
"Should the notmuch logo be shown?"
:type 'boolean
- :group 'notmuch)
+ :group 'notmuch-hello)
(defcustom notmuch-show-all-tags-list nil
"Should all tags be shown in the notmuch-hello view?"
:type 'boolean
- :group 'notmuch)
+ :group 'notmuch-hello)
+
+(defcustom notmuch-hello-tag-list-make-query nil
+ "Function or string to generate queries for the all tags list.
+
+This variable controls which query results are shown for each tag
+in the \"all tags\" list. If nil, it will use all messages with
+that tag. If this is set to a string, it is used as a filter for
+messages having that tag (equivalent to \"tag:TAG and (THIS-VARIABLE)\").
+Finally this can be a function that will be called for each tag and
+should return a filter for that tag, or nil to hide the tag."
+ :type '(choice (const :tag "All messages" nil)
+ (const :tag "Unread messages" "tag:unread")
+ (string :tag "Custom filter"
+ :value "tag:unread")
+ (function :tag "Custom filter function"))
+ :group 'notmuch-hello)
+
+(defcustom notmuch-hello-hide-tags nil
+ "List of tags to be hidden in the \"all tags\"-section."
+ :type '(repeat string)
+ :group 'notmuch-hello)
(defface notmuch-hello-logo-background
'((((class color)
(background light))
(:background "white")))
"Background colour for the notmuch logo."
- :group 'notmuch)
+ :group 'notmuch-hello
+ :group 'notmuch-faces)
+
+(defcustom notmuch-column-control t
+ "Controls the number of columns for saved searches/tags in notmuch view.
+
+This variable has three potential sets of values:
+
+- t: automatically calculate the number of columns possible based
+ on the tags to be shown and the window width,
+- an integer: a lower bound on the number of characters that will
+ be used to display each column,
+- a float: a fraction of the window width that is the lower bound
+ on the number of characters that should be used for each
+ column.
+
+So:
+- if you would like two columns of tags, set this to 0.5.
+- if you would like a single column of tags, set this to 1.0.
+- if you would like tags to be 30 characters wide, set this to
+ 30.
+- if you don't want to worry about all of this nonsense, leave
+ this set to `t'."
+ :type '(choice
+ (const :tag "Automatically calculated" t)
+ (integer :tag "Number of characters")
+ (float :tag "Fraction of window"))
+ :group 'notmuch-hello)
+
+(defcustom notmuch-hello-thousands-separator " "
+ "The string used as a thousands separator.
+
+Typically \",\" in the US and UK and \".\" or \" \" in Europe.
+The latter is recommended in the SI/ISO 31-0 standard and by the
+International Bureau of Weights and Measures."
+ :type 'string
+ :group 'notmuch-hello)
+
+(defcustom notmuch-hello-mode-hook nil
+ "Functions called after entering `notmuch-hello-mode'."
+ :type 'hook
+ :group 'notmuch-hello
+ :group 'notmuch-hooks)
+
+(defcustom notmuch-hello-refresh-hook nil
+ "Functions called after updating a `notmuch-hello' buffer."
+ :type 'hook
+ :group 'notmuch-hello
+ :group 'notmuch-hooks)
(defvar notmuch-hello-url "http://notmuchmail.org"
"The `notmuch' web site.")
-(defvar notmuch-hello-recent-searches nil)
-
-(defun notmuch-hello-remember-search (search)
- (if (not (member search notmuch-hello-recent-searches))
- (push search notmuch-hello-recent-searches))
- (if (> (length notmuch-hello-recent-searches)
- notmuch-recent-searches-max)
- (setq notmuch-hello-recent-searches (butlast notmuch-hello-recent-searches))))
+(defvar notmuch-hello-custom-section-options
+ '((:filter (string :tag "Filter for each tag"))
+ (:filter-count (string :tag "Different filter to generate message counts"))
+ (:initially-hidden (const :tag "Hide this section on startup" t))
+ (:show-empty-searches (const :tag "Show queries with no matching messages" t))
+ (:hide-if-empty (const :tag "Hide this section if all queries are empty
+\(and not shown by show-empty-searches)" t)))
+ "Various customization-options for notmuch-hello-tags/query-section.")
+
+(define-widget 'notmuch-hello-tags-section 'lazy
+ "Customize-type for notmuch-hello tag-list sections."
+ :tag "Customized tag-list section (see docstring for details)"
+ :type
+ `(list :tag ""
+ (const :tag "" notmuch-hello-insert-tags-section)
+ (string :tag "Title for this section")
+ (plist
+ :inline t
+ :options
+ ,(append notmuch-hello-custom-section-options
+ '((:hide-tags (repeat :tag "Tags that will be hidden"
+ string)))))))
+
+(define-widget 'notmuch-hello-query-section 'lazy
+ "Customize-type for custom saved-search-like sections"
+ :tag "Customized queries section (see docstring for details)"
+ :type
+ `(list :tag ""
+ (const :tag "" notmuch-hello-insert-searches)
+ (string :tag "Title for this section")
+ (repeat :tag "Queries"
+ (cons (string :tag "Name") (string :tag "Query")))
+ (plist :inline t :options ,notmuch-hello-custom-section-options)))
+
+(defcustom notmuch-hello-sections
+ (list #'notmuch-hello-insert-header
+ #'notmuch-hello-insert-saved-searches
+ #'notmuch-hello-insert-search
+ #'notmuch-hello-insert-recent-searches
+ #'notmuch-hello-insert-alltags
+ #'notmuch-hello-insert-footer)
+ "Sections for notmuch-hello.
+
+The list contains functions which are used to construct sections in
+notmuch-hello buffer. When notmuch-hello buffer is constructed,
+these functions are run in the order they appear in this list. Each
+function produces a section simply by adding content to the current
+buffer. A section should not end with an empty line, because a
+newline will be inserted after each section by `notmuch-hello'.
+
+Each function should take no arguments. The return value is
+ignored.
+
+For convenience an element can also be a list of the form (FUNC ARG1
+ARG2 .. ARGN) in which case FUNC will be applied to the rest of the
+list.
+
+A \"Customized tag-list section\" item in the customize-interface
+displays a list of all tags, optionally hiding some of them. It
+is also possible to filter the list of messages matching each tag
+by an additional filter query. Similarly, the count of messages
+displayed next to the buttons can be generated by applying a
+different filter to the tag query. These filters are also
+supported for \"Customized queries section\" items."
+ :group 'notmuch-hello
+ :type
+ '(repeat
+ (choice (function-item notmuch-hello-insert-header)
+ (function-item notmuch-hello-insert-saved-searches)
+ (function-item notmuch-hello-insert-search)
+ (function-item notmuch-hello-insert-recent-searches)
+ (function-item notmuch-hello-insert-alltags)
+ (function-item notmuch-hello-insert-footer)
+ (function-item notmuch-hello-insert-inbox)
+ notmuch-hello-tags-section
+ notmuch-hello-query-section
+ (function :tag "Custom section"))))
+
+(defcustom notmuch-hello-auto-refresh t
+ "Automatically refresh when returning to the notmuch-hello buffer."
+ :group 'notmuch-hello
+ :type 'boolean)
+
+(defvar notmuch-hello-hidden-sections nil
+ "List of sections titles whose contents are hidden")
+
+(defvar notmuch-hello-first-run t
+ "True if `notmuch-hello' is run for the first time, set to nil
+afterwards.")
+
+(defun notmuch-hello-nice-number (n)
+ (let (result)
+ (while (> n 0)
+ (push (% n 1000) result)
+ (setq n (/ n 1000)))
+ (setq result (or result '(0)))
+ (apply #'concat
+ (number-to-string (car result))
+ (mapcar (lambda (elem)
+ (format "%s%03d" notmuch-hello-thousands-separator elem))
+ (cdr result)))))
(defun notmuch-hello-trim (search)
"Trim whitespace."
(match-string 1 search)
search))
-(defun notmuch-hello-search (search)
- (let ((search (notmuch-hello-trim search)))
- (notmuch-hello-remember-search search)
- (notmuch-search search notmuch-search-oldest-first nil nil #'notmuch-hello-search-continuation)))
+(defun notmuch-hello-search (&optional search)
+ (unless (null search)
+ (setq search (notmuch-hello-trim search))
+ (let ((history-delete-duplicates t))
+ (add-to-history 'notmuch-search-history search)))
+ (notmuch-search search notmuch-search-oldest-first))
(defun notmuch-hello-add-saved-search (widget)
(interactive)
collect elem))
;; Add the new one.
(customize-save-variable 'notmuch-saved-searches
- (push (cons name search)
- notmuch-saved-searches))
+ (add-to-list 'notmuch-saved-searches
+ (cons name search) t))
(message "Saved '%s' as '%s'." search name)
(notmuch-hello-update)))
-(defun notmuch-hello-longest-label (tag-alist)
- (or (loop for elem in tag-alist
+(defun notmuch-hello-delete-search-from-history (widget)
+ (interactive)
+ (let ((search (widget-value
+ (symbol-value
+ (widget-get widget :notmuch-saved-search-widget)))))
+ (setq notmuch-search-history (delete search
+ notmuch-search-history))
+ (notmuch-hello-update)))
+
+(defun notmuch-hello-longest-label (searches-alist)
+ (or (loop for elem in searches-alist
maximize (length (car elem)))
0))
-(defun notmuch-hello-roundup (dividend divisor)
- "Return the rounded up value of dividing `dividend' by `divisor'."
- (+ (/ dividend divisor)
- (if (> (% dividend divisor) 0) 1 0)))
-
-(defun notmuch-hello-reflect (list width)
- "Reflect a `width' wide matrix represented by `list' along the
+(defun notmuch-hello-reflect-generate-row (ncols nrows row list)
+ (let ((len (length list)))
+ (loop for col from 0 to (- ncols 1)
+ collect (let ((offset (+ (* nrows col) row)))
+ (if (< offset len)
+ (nth offset list)
+ ;; Don't forget to insert an empty slot in the
+ ;; output matrix if there is no corresponding
+ ;; value in the input matrix.
+ nil)))))
+
+(defun notmuch-hello-reflect (list ncols)
+ "Reflect a `ncols' wide matrix represented by `list' along the
diagonal."
;; Not very lispy...
- (let* ((len (length list))
- (nrows (notmuch-hello-roundup len width)))
+ (let ((nrows (ceiling (length list) ncols)))
(loop for row from 0 to (- nrows 1)
- append (loop for col from 0 to (- width 1)
- ;; How could we calculate the offset just once
- ;; per inner-loop?
- if (< (+ (* nrows col) row) len)
- collect (nth (+ (* nrows col) row) list)
- else
- ;; Don't forget to insert an empty slot in the
- ;; output matrix if there is no corresponding
- ;; value in the input matrix.
- collect nil))))
+ append (notmuch-hello-reflect-generate-row ncols nrows row list))))
(defun notmuch-hello-widget-search (widget &rest ignore)
(notmuch-search (widget-get widget
:notmuch-search-terms)
- notmuch-search-oldest-first
- nil nil #'notmuch-hello-search-continuation))
+ notmuch-search-oldest-first))
(defun notmuch-saved-search-count (search)
(car (process-lines notmuch-command "count" search)))
-(defun notmuch-hello-insert-tags (tag-alist widest target)
- (let* ((tags-per-line (max 1
- (/ (- (window-width) notmuch-hello-indent)
- ;; Count is 7 wide, 1 for the space
- ;; after the name.
- (+ 7 1 widest))))
+(defun notmuch-hello-tags-per-line (widest)
+ "Determine how many tags to show per line and how wide they
+should be. Returns a cons cell `(tags-per-line width)'."
+ (let ((tags-per-line
+ (cond
+ ((integerp notmuch-column-control)
+ (max 1
+ (/ (- (window-width) notmuch-hello-indent)
+ ;; Count is 9 wide (8 digits plus space), 1 for the space
+ ;; after the name.
+ (+ 9 1 (max notmuch-column-control widest)))))
+
+ ((floatp notmuch-column-control)
+ (let* ((available-width (- (window-width) notmuch-hello-indent))
+ (proposed-width (max (* available-width notmuch-column-control) widest)))
+ (floor available-width proposed-width)))
+
+ (t
+ (max 1
+ (/ (- (window-width) notmuch-hello-indent)
+ ;; Count is 9 wide (8 digits plus space), 1 for the space
+ ;; after the name.
+ (+ 9 1 widest)))))))
+
+ (cons tags-per-line (/ (max 1
+ (- (window-width) notmuch-hello-indent
+ ;; Count is 9 wide (8 digits plus
+ ;; space), 1 for the space after the
+ ;; name.
+ (* tags-per-line (+ 9 1))))
+ tags-per-line))))
+
+(defun notmuch-hello-filtered-query (query filter)
+ "Constructs a query to search all messages matching QUERY and FILTER.
+
+If FILTER is a string, it is directly used in the returned query.
+
+If FILTER is a function, it is called with QUERY as a parameter and
+the string it returns is used as the query. If nil is returned,
+the entry is hidden.
+
+Otherwise, FILTER is ignored.
+"
+ (cond
+ ((functionp filter) (funcall filter query))
+ ((stringp filter)
+ (concat "(" query ") and (" filter ")"))
+ (t query)))
+
+(defun notmuch-hello-query-counts (query-alist &rest options)
+ "Compute list of counts of matched messages from QUERY-ALIST.
+
+QUERY-ALIST must be a list containing elements of the form (NAME . QUERY)
+or (NAME QUERY COUNT-QUERY). If the latter form is used,
+COUNT-QUERY specifies an alternate query to be used to generate
+the count for the associated query.
+
+The result is the list of elements of the form (NAME QUERY COUNT).
+
+The values :show-empty-searches, :filter and :filter-count from
+options will be handled as specified for
+`notmuch-hello-insert-searches'."
+ (with-temp-buffer
+ (dolist (elem query-alist nil)
+ (let ((count-query (if (consp (cdr elem))
+ ;; do we have a different query for the message count?
+ (third elem)
+ (cdr elem))))
+ (insert
+ (notmuch-hello-filtered-query count-query
+ (or (plist-get options :filter-count)
+ (plist-get options :filter)))
+ "\n")))
+
+ (unless (= (call-process-region (point-min) (point-max) notmuch-command
+ t t nil "count" "--batch") 0)
+ (notmuch-logged-error "notmuch count --batch failed"
+ "Please check that the notmuch CLI is new enough to support `count
+--batch'. In general we recommend running matching versions of
+the CLI and emacs interface."))
+
+ (goto-char (point-min))
+
+ (notmuch-remove-if-not
+ #'identity
+ (mapcar
+ (lambda (elem)
+ (let ((name (car elem))
+ (search-query (if (consp (cdr elem))
+ ;; do we have a different query for the message count?
+ (second elem)
+ (cdr elem)))
+ (message-count (prog1 (read (current-buffer))
+ (forward-line 1))))
+ (and (or (plist-get options :show-empty-searches) (> message-count 0))
+ (list name (notmuch-hello-filtered-query
+ search-query (plist-get options :filter))
+ message-count))))
+ query-alist))))
+
+(defun notmuch-hello-insert-buttons (searches)
+ "Insert buttons for SEARCHES.
+
+SEARCHES must be a list containing lists of the form (NAME QUERY COUNT), where
+QUERY is the query to start when the button for the corresponding entry is
+activated. COUNT should be the number of messages matching the query.
+Such a list can be computed with `notmuch-hello-query-counts'."
+ (let* ((widest (notmuch-hello-longest-label searches))
+ (tags-and-width (notmuch-hello-tags-per-line widest))
+ (tags-per-line (car tags-and-width))
+ (column-width (cdr tags-and-width))
+ (column-indent 0)
(count 0)
- (reordered-list (notmuch-hello-reflect tag-alist tags-per-line))
+ (reordered-list (notmuch-hello-reflect searches tags-per-line))
;; Hack the display of the buttons used.
(widget-push-button-prefix "")
- (widget-push-button-suffix "")
- (found-target-pos nil))
+ (widget-push-button-suffix ""))
;; dme: It feels as though there should be a better way to
;; implement this loop than using an incrementing counter.
- (loop for elem in reordered-list
- do (progn
- ;; (not elem) indicates an empty slot in the matrix.
- (when elem
- (widget-insert (format "%6s " (notmuch-saved-search-count (cdr elem))))
- (if (string= (format "%s " (car elem)) target)
- (setq found-target-pos (point-marker)))
- (widget-create 'push-button
- :notify #'notmuch-hello-widget-search
- :notmuch-search-terms (cdr elem)
- (format "%s " (car elem)))
- (insert (make-string (1+ (- widest (length (car elem)))) ? )))
- (setq count (1+ count))
- (if (eq (% count tags-per-line) 0)
- (widget-insert "\n"))))
+ (mapc (lambda (elem)
+ ;; (not elem) indicates an empty slot in the matrix.
+ (when elem
+ (if (> column-indent 0)
+ (widget-insert (make-string column-indent ? )))
+ (let* ((name (first elem))
+ (query (second elem))
+ (msg-count (third elem)))
+ (widget-insert (format "%8s "
+ (notmuch-hello-nice-number msg-count)))
+ (widget-create 'push-button
+ :notify #'notmuch-hello-widget-search
+ :notmuch-search-terms query
+ name)
+ (setq column-indent
+ (1+ (max 0 (- column-width (length name)))))))
+ (setq count (1+ count))
+ (when (eq (% count tags-per-line) 0)
+ (setq column-indent 0)
+ (widget-insert "\n")))
+ reordered-list)
;; If the last line was not full (and hence did not include a
;; carriage return), insert one now.
- (if (not (eq (% count tags-per-line) 0))
- (widget-insert "\n"))
- found-target-pos))
-
-(defun notmuch-hello-goto-search ()
- "Put point inside the `search' widget."
- (interactive)
- (goto-char notmuch-hello-search-bar-marker))
+ (unless (eq (% count tags-per-line) 0)
+ (widget-insert "\n"))))
(defimage notmuch-hello-logo ((:type png :file "notmuch-logo.png")))
-(defun notmuch-hello-search-continuation()
- (notmuch-hello-update t))
-
(defun notmuch-hello-update (&optional no-display)
+ "Update the current notmuch view."
;; Lazy - rebuild everything.
- (interactive)
(notmuch-hello no-display))
-(defun notmuch-hello-poll-and-update ()
- "Invoke `notmuch-poll' to import mail, then refresh the current view."
- (interactive)
- (notmuch-poll)
- (notmuch-hello-update))
+(defun notmuch-hello-window-configuration-change ()
+ "Hook function to update the hello buffer when it is switched to."
+ (let ((hello-buf (get-buffer "*notmuch-hello*"))
+ (do-refresh nil))
+ ;; Consider all windows in the currently selected frame, since
+ ;; that's where the configuration change happened. This also
+ ;; refreshes our snapshot of all windows, so we have to do this
+ ;; even if we know we won't refresh (e.g., hello-buf is null).
+ (dolist (window (window-list))
+ (let ((last-buf (window-parameter window 'notmuch-hello-last-buffer))
+ (cur-buf (window-buffer window)))
+ (when (not (eq last-buf cur-buf))
+ ;; This window changed or is new. Update recorded buffer
+ ;; for next time.
+ (set-window-parameter window 'notmuch-hello-last-buffer cur-buf)
+ (when (and (eq cur-buf hello-buf) last-buf)
+ ;; The user just switched to hello in this window (hello
+ ;; is currently visible, was not visible on the last
+ ;; configuration change, and this is not a new window)
+ (setq do-refresh t)))))
+ (when (and do-refresh notmuch-hello-auto-refresh)
+ ;; Refresh hello as soon as we get back to redisplay. On Emacs
+ ;; 24, we can't do it right here because something in this
+ ;; hook's call stack overrides hello's point placement.
+ (run-at-time nil nil #'notmuch-hello t))
+ (when (null hello-buf)
+ ;; Clean up hook
+ (remove-hook 'window-configuration-change-hook
+ #'notmuch-hello-window-configuration-change))))
+
+
+(defvar notmuch-hello-mode-map
+ (let ((map (if (fboundp 'make-composed-keymap)
+ ;; Inherit both widget-keymap and notmuch-common-keymap
+ (make-composed-keymap widget-keymap)
+ ;; Before Emacs 24, keymaps didn't support multiple
+ ;; inheritance,, so just copy the widget keymap since
+ ;; it's unlikely to change.
+ (copy-keymap widget-keymap))))
+ (set-keymap-parent map notmuch-common-keymap)
+ (define-key map "v" (lambda () "Display the notmuch version" (interactive)
+ (message "notmuch version %s" (notmuch-version))))
+ (define-key map "?" 'notmuch-help)
+ (define-key map "q" 'notmuch-kill-this-buffer)
+ (define-key map "=" 'notmuch-refresh-this-buffer)
+ (define-key map "G" 'notmuch-poll-and-refresh-this-buffer)
+ (define-key map (kbd "<C-tab>") 'widget-backward)
+ (define-key map "m" 'notmuch-mua-new-mail)
+ (define-key map "s" 'notmuch-search)
+ map)
+ "Keymap for \"notmuch hello\" buffers.")
+(fset 'notmuch-hello-mode-map notmuch-hello-mode-map)
+
+(defun notmuch-hello-mode ()
+ "Major mode for convenient notmuch navigation. This is your entry portal into notmuch.
+
+Complete list of currently available key bindings:
+
+\\{notmuch-hello-mode-map}"
+ (interactive)
+ (kill-all-local-variables)
+ (setq notmuch-buffer-refresh-function #'notmuch-hello-update)
+ (use-local-map notmuch-hello-mode-map)
+ (setq major-mode 'notmuch-hello-mode
+ mode-name "notmuch-hello")
+ (run-mode-hooks 'notmuch-hello-mode-hook)
+ ;;(setq buffer-read-only t)
+)
+
+(defun notmuch-hello-generate-tag-alist (&optional hide-tags)
+ "Return an alist from tags to queries to display in the all-tags section."
+ (mapcar (lambda (tag)
+ (cons tag (concat "tag:" (notmuch-escape-boolean-term tag))))
+ (notmuch-remove-if-not
+ (lambda (tag)
+ (not (member tag hide-tags)))
+ (process-lines notmuch-command "search" "--output=tags" "*"))))
+
+(defun notmuch-hello-insert-header ()
+ "Insert the default notmuch-hello header."
+ (when notmuch-show-logo
+ (let ((image notmuch-hello-logo))
+ ;; The notmuch logo uses transparency. That can display poorly
+ ;; when inserting the image into an emacs buffer (black logo on
+ ;; a black background), so force the background colour of the
+ ;; image. We use a face to represent the colour so that
+ ;; `defface' can be used to declare the different possible
+ ;; colours, which depend on whether the frame has a light or
+ ;; dark background.
+ (setq image (cons 'image
+ (append (cdr image)
+ (list :background (face-background 'notmuch-hello-logo-background)))))
+ (insert-image image))
+ (widget-insert " "))
+
+ (widget-insert "Welcome to ")
+ ;; Hack the display of the links used.
+ (let ((widget-link-prefix "")
+ (widget-link-suffix ""))
+ (widget-create 'link
+ :notify (lambda (&rest ignore)
+ (browse-url notmuch-hello-url))
+ :help-echo "Visit the notmuch website."
+ "notmuch")
+ (widget-insert ". ")
+ (widget-insert "You have ")
+ (widget-create 'link
+ :notify (lambda (&rest ignore)
+ (notmuch-hello-update))
+ :help-echo "Refresh"
+ (notmuch-hello-nice-number
+ (string-to-number (car (process-lines notmuch-command "count")))))
+ (widget-insert " messages.\n")))
+
+
+(defun notmuch-hello-insert-saved-searches ()
+ "Insert the saved-searches section."
+ (let ((searches (notmuch-hello-query-counts
+ (if notmuch-saved-search-sort-function
+ (funcall notmuch-saved-search-sort-function
+ notmuch-saved-searches)
+ notmuch-saved-searches)
+ :show-empty-searches notmuch-show-empty-saved-searches)))
+ (when searches
+ (widget-insert "Saved searches: ")
+ (widget-create 'push-button
+ :notify (lambda (&rest ignore)
+ (customize-variable 'notmuch-saved-searches))
+ "edit")
+ (widget-insert "\n\n")
+ (let ((start (point)))
+ (notmuch-hello-insert-buttons searches)
+ (indent-rigidly start (point) notmuch-hello-indent)))))
+
+(defun notmuch-hello-insert-search ()
+ "Insert a search widget."
+ (widget-insert "Search: ")
+ (widget-create 'editable-field
+ ;; Leave some space at the start and end of the
+ ;; search boxes.
+ :size (max 8 (- (window-width) notmuch-hello-indent
+ (length "Search: ")))
+ :action (lambda (widget &rest ignore)
+ (notmuch-hello-search (widget-value widget))))
+ ;; Add an invisible dot to make `widget-end-of-line' ignore
+ ;; trailing spaces in the search widget field. A dot is used
+ ;; instead of a space to make `show-trailing-whitespace'
+ ;; happy, i.e. avoid it marking the whole line as trailing
+ ;; spaces.
+ (widget-insert ".")
+ (put-text-property (1- (point)) (point) 'invisible t)
+ (widget-insert "\n"))
+
+(defun notmuch-hello-insert-recent-searches ()
+ "Insert recent searches."
+ (when notmuch-search-history
+ (widget-insert "Recent searches: ")
+ (widget-create 'push-button
+ :notify (lambda (&rest ignore)
+ (when (y-or-n-p "Are you sure you want to clear the searches? ")
+ (setq notmuch-search-history nil)
+ (notmuch-hello-update)))
+ "clear")
+ (widget-insert "\n\n")
+ (let ((start (point)))
+ (loop for i from 1 to notmuch-hello-recent-searches-max
+ for search in notmuch-search-history do
+ (let ((widget-symbol (intern (format "notmuch-hello-search-%d" i))))
+ (set widget-symbol
+ (widget-create 'editable-field
+ ;; Don't let the search boxes be
+ ;; less than 8 characters wide.
+ :size (max 8
+ (- (window-width)
+ ;; Leave some space
+ ;; at the start and
+ ;; end of the
+ ;; boxes.
+ (* 2 notmuch-hello-indent)
+ ;; 1 for the space
+ ;; before the
+ ;; `[save]' button. 6
+ ;; for the `[save]'
+ ;; button.
+ 1 6
+ ;; 1 for the space
+ ;; before the `[del]'
+ ;; button. 5 for the
+ ;; `[del]' button.
+ 1 5))
+ :action (lambda (widget &rest ignore)
+ (notmuch-hello-search (widget-value widget)))
+ search))
+ (widget-insert " ")
+ (widget-create 'push-button
+ :notify (lambda (widget &rest ignore)
+ (notmuch-hello-add-saved-search widget))
+ :notmuch-saved-search-widget widget-symbol
+ "save")
+ (widget-insert " ")
+ (widget-create 'push-button
+ :notify (lambda (widget &rest ignore)
+ (when (y-or-n-p "Are you sure you want to delete this search? ")
+ (notmuch-hello-delete-search-from-history widget)))
+ :notmuch-saved-search-widget widget-symbol
+ "del"))
+ (widget-insert "\n"))
+ (indent-rigidly start (point) notmuch-hello-indent))
+ nil))
+
+(defun notmuch-hello-insert-searches (title query-alist &rest options)
+ "Insert a section with TITLE showing a list of buttons made from QUERY-ALIST.
+
+QUERY-ALIST must be a list containing elements of the form (NAME . QUERY)
+or (NAME QUERY COUNT-QUERY). If the latter form is used,
+COUNT-QUERY specifies an alternate query to be used to generate
+the count for the associated item.
+
+Supports the following entries in OPTIONS as a plist:
+:initially-hidden - if non-nil, section will be hidden on startup
+:show-empty-searches - show buttons with no matching messages
+:hide-if-empty - hide if no buttons would be shown
+ (only makes sense without :show-empty-searches)
+:filter - This can be a function that takes the search query as its argument and
+ returns a filter to be used in conjuction with the query for that search or nil
+ to hide the element. This can also be a string that is used as a combined with
+ each query using \"and\".
+:filter-count - Separate filter to generate the count displayed each search. Accepts
+ the same values as :filter. If :filter and :filter-count are specified, this
+ will be used instead of :filter, not in conjunction with it."
+ (widget-insert title ": ")
+ (if (and notmuch-hello-first-run (plist-get options :initially-hidden))
+ (add-to-list 'notmuch-hello-hidden-sections title))
+ (let ((is-hidden (member title notmuch-hello-hidden-sections))
+ (start (point)))
+ (if is-hidden
+ (widget-create 'push-button
+ :notify `(lambda (widget &rest ignore)
+ (setq notmuch-hello-hidden-sections
+ (delete ,title notmuch-hello-hidden-sections))
+ (notmuch-hello-update))
+ "show")
+ (widget-create 'push-button
+ :notify `(lambda (widget &rest ignore)
+ (add-to-list 'notmuch-hello-hidden-sections
+ ,title)
+ (notmuch-hello-update))
+ "hide"))
+ (widget-insert "\n")
+ (when (not is-hidden)
+ (let ((searches (apply 'notmuch-hello-query-counts query-alist options)))
+ (when (or (not (plist-get options :hide-if-empty))
+ searches)
+ (widget-insert "\n")
+ (notmuch-hello-insert-buttons searches)
+ (indent-rigidly start (point) notmuch-hello-indent))))))
+
+(defun notmuch-hello-insert-tags-section (&optional title &rest options)
+ "Insert a section displaying all tags with message counts.
+
+TITLE defaults to \"All tags\".
+Allowed options are those accepted by `notmuch-hello-insert-searches' and the
+following:
+
+:hide-tags - List of tags that should be excluded."
+ (apply 'notmuch-hello-insert-searches
+ (or title "All tags")
+ (notmuch-hello-generate-tag-alist (plist-get options :hide-tags))
+ options))
+
+(defun notmuch-hello-insert-inbox ()
+ "Show an entry for each saved search and inboxed messages for each tag"
+ (notmuch-hello-insert-searches "What's in your inbox"
+ (append
+ notmuch-saved-searches
+ (notmuch-hello-generate-tag-alist))
+ :filter "tag:inbox"))
+
+(defun notmuch-hello-insert-alltags ()
+ "Insert a section displaying all tags and associated message counts"
+ (notmuch-hello-insert-tags-section
+ nil
+ :initially-hidden (not notmuch-show-all-tags-list)
+ :hide-tags notmuch-hello-hide-tags
+ :filter notmuch-hello-tag-list-make-query))
+
+(defun notmuch-hello-insert-footer ()
+ "Insert the notmuch-hello footer."
+ (let ((start (point)))
+ (widget-insert "Type a search query and hit RET to view matching threads.\n")
+ (when notmuch-search-history
+ (widget-insert "Hit RET to re-submit a previous search. Edit it first if you like.\n")
+ (widget-insert "Save recent searches with the `save' button.\n"))
+ (when notmuch-saved-searches
+ (widget-insert "Edit saved searches with the `edit' button.\n"))
+ (widget-insert "Hit RET or click on a saved search or tag name to view matching threads.\n")
+ (widget-insert "`=' to refresh this screen. `s' to search messages. `q' to quit.\n")
+ (widget-create 'link
+ :notify (lambda (&rest ignore)
+ (customize-variable 'notmuch-hello-sections))
+ :button-prefix "" :button-suffix ""
+ "Customize")
+ (widget-insert " this page.")
+ (let ((fill-column (- (window-width) notmuch-hello-indent)))
+ (center-region start (point)))))
+;;;###autoload
(defun notmuch-hello (&optional no-display)
+ "Run notmuch and display saved searches, known tags, etc."
(interactive)
- ; Jump through a hoop to get this value from the deprecated variable
- ; name (`notmuch-folders') or from the default value.
- (if (not notmuch-saved-searches)
- (setq notmuch-saved-searches (notmuch-saved-searches)))
+ ;; This may cause a window configuration change, so if the
+ ;; auto-refresh hook is already installed, avoid recursive refresh.
+ (let ((notmuch-hello-auto-refresh nil))
+ (if no-display
+ (set-buffer "*notmuch-hello*")
+ (switch-to-buffer "*notmuch-hello*")))
- (if no-display
- (set-buffer "*notmuch-hello*")
- (switch-to-buffer "*notmuch-hello*"))
+ ;; Install auto-refresh hook
+ (when notmuch-hello-auto-refresh
+ (add-hook 'window-configuration-change-hook
+ #'notmuch-hello-window-configuration-change))
- (let ((target (if (widget-at)
- (widget-value (widget-at))
- (condition-case nil
- (progn
- (widget-forward 1)
- (widget-value (widget-at)))
- (error nil)))))
+ (let ((target-line (line-number-at-pos))
+ (target-column (current-column))
+ (inhibit-read-only t))
- (kill-all-local-variables)
- (let ((inhibit-read-only t))
- (erase-buffer))
+ ;; Delete all editable widget fields. Editable widget fields are
+ ;; tracked in a buffer local variable `widget-field-list' (and
+ ;; others). If we do `erase-buffer' without properly deleting the
+ ;; widgets, some widget-related functions are confused later.
+ (mapc 'widget-delete widget-field-list)
+
+ (erase-buffer)
+
+ (unless (eq major-mode 'notmuch-hello-mode)
+ (notmuch-hello-mode))
(let ((all (overlay-lists)))
;; Delete all the overlays.
(mapc 'delete-overlay (car all))
(mapc 'delete-overlay (cdr all)))
- (when notmuch-show-logo
- (let ((image notmuch-hello-logo))
- ;; The notmuch logo uses transparency. That can display poorly
- ;; when inserting the image into an emacs buffer (black logo on
- ;; a black background), so force the background colour of the
- ;; image. We use a face to represent the colour so that
- ;; `defface' can be used to declare the different possible
- ;; colours, which depend on whether the frame has a light or
- ;; dark background.
- (setq image (cons 'image
- (append (cdr image)
- (list :background (face-background 'notmuch-hello-logo-background)))))
- (insert-image image))
- (widget-insert " "))
-
- (widget-insert "Welcome to ")
- ;; Hack the display of the links used.
- (let ((widget-link-prefix "")
- (widget-link-suffix ""))
- (widget-create 'link
- :notify (lambda (&rest ignore)
- (browse-url notmuch-hello-url))
- :help-echo "Visit the notmuch website."
- "notmuch")
- (widget-insert ". ")
- (widget-insert "You have ")
- (widget-create 'link
- :notify (lambda (&rest ignore)
- (notmuch-hello-update))
- :help-echo "Refresh"
- (car (process-lines notmuch-command "count")))
- (widget-insert " messages (that's not much mail).\n\n"))
-
- (let ((found-target-pos nil)
- (final-target-pos nil))
- (let* ((saved-alist
- ;; Filter out empty saved seaches if required.
- (if notmuch-show-empty-saved-searches
- notmuch-saved-searches
- (loop for elem in notmuch-saved-searches
- if (> (string-to-number (notmuch-saved-search-count (cdr elem))) 0)
- collect elem)))
- (saved-widest (notmuch-hello-longest-label saved-alist))
- (alltags-alist (mapcar '(lambda (tag) (cons tag (concat "tag:" tag)))
- (process-lines notmuch-command "search-tags")))
- (alltags-widest (notmuch-hello-longest-label alltags-alist))
- (widest (max saved-widest alltags-widest)))
-
- (when saved-alist
- (widget-insert "Saved searches: ")
- (widget-create 'push-button
- :notify (lambda (&rest ignore)
- (customize-variable 'notmuch-saved-searches))
- "edit")
- (widget-insert "\n\n")
- (setq final-target-pos (point-marker))
- (let ((start (point)))
- (setq found-target-pos (notmuch-hello-insert-tags saved-alist widest target))
- (if found-target-pos
- (setq final-target-pos found-target-pos))
- (indent-rigidly start (point) notmuch-hello-indent)))
-
- (let ((start (point)))
- (widget-insert "\nSearch: ")
- (setq notmuch-hello-search-bar-marker (point-marker))
- (widget-create 'editable-field
- ;; Leave some space at the start and end of the
- ;; search boxes.
- :size (max 8 (- (window-width) (* 2 notmuch-hello-indent)
- (length "Search: ")))
- :action (lambda (widget &rest ignore)
- (notmuch-hello-search (widget-value widget))))
- (widget-insert "\n")
- (indent-rigidly start (point) notmuch-hello-indent))
-
- (when notmuch-hello-recent-searches
- (widget-insert "\nRecent searches: ")
- (widget-create 'push-button
- :notify (lambda (&rest ignore)
- (setq notmuch-hello-recent-searches nil)
- (notmuch-hello-update))
- "clear")
- (widget-insert "\n\n")
- (let ((start (point))
- (nth 0))
- (mapc '(lambda (search)
- (let ((widget-symbol (intern (format "notmuch-hello-search-%d" nth))))
- (set widget-symbol
- (widget-create 'editable-field
- ;; Don't let the search boxes be
- ;; less than 8 characters wide.
- :size (max 8
- (- (window-width)
- ;; Leave some space
- ;; at the start and
- ;; end of the
- ;; boxes.
- (* 2 notmuch-hello-indent)
- ;; 1 for the space
- ;; before the
- ;; `[save]' button. 6
- ;; for the `[save]'
- ;; button.
- 1 6))
- :action (lambda (widget &rest ignore)
- (notmuch-hello-search (widget-value widget)))
- search))
- (widget-insert " ")
- (widget-create 'push-button
- :notify (lambda (widget &rest ignore)
- (notmuch-hello-add-saved-search widget))
- :notmuch-saved-search-widget widget-symbol
- "save"))
- (widget-insert "\n")
- (setq nth (1+ nth)))
- notmuch-hello-recent-searches)
- (indent-rigidly start (point) notmuch-hello-indent)))
-
- (when alltags-alist
- (if notmuch-show-all-tags-list
- (progn
- (widget-insert "\nAll tags: ")
- (widget-create 'push-button
- :notify (lambda (widget &rest ignore)
- (setq notmuch-show-all-tags-list nil)
- (notmuch-hello-update))
- "hide")
- (widget-insert "\n\n")
- (let ((start (point)))
- (setq found-target-pos (notmuch-hello-insert-tags alltags-alist widest target))
- (if (not final-target-pos)
- (setq final-target-pos found-target-pos))
- (indent-rigidly start (point) notmuch-hello-indent)))
- (widget-insert "\n")
- (widget-create 'push-button
- :notify (lambda (widget &rest ignore)
- (setq notmuch-show-all-tags-list t)
- (notmuch-hello-update))
- "Show all tags"))))
+ (mapc
+ (lambda (section)
+ (let ((point-before (point)))
+ (if (functionp section)
+ (funcall section)
+ (apply (car section) (cdr section)))
+ ;; don't insert a newline when the previous section didn't
+ ;; show anything.
+ (unless (eq (point) point-before)
+ (widget-insert "\n"))))
+ notmuch-hello-sections)
+ (widget-setup)
+
+ ;; Move point back to where it was before refresh. Use line and
+ ;; column instead of point directly to be insensitive to additions
+ ;; and removals of text within earlier lines.
+ (goto-char (point-min))
+ (forward-line (1- target-line))
+ (move-to-column target-column))
+ (run-hooks 'notmuch-hello-refresh-hook)
+ (setq notmuch-hello-first-run nil))
- (let ((start (point)))
- (widget-insert "\n\n")
- (widget-insert "Type a search query and hit RET to view matching threads.\n")
- (when notmuch-hello-recent-searches
- (widget-insert "Hit RET to re-submit a previous search. Edit it first if you like.\n")
- (widget-insert "Save recent searches with the `save' button.\n"))
- (when notmuch-saved-searches
- (widget-insert "Edit saved searches with the `edit' button.\n"))
- (widget-insert "Hit RET or click on a saved search or tag name to view matching threads.\n")
- (widget-insert "`=' refreshes this screen. `s' jumps to the search box. `q' to quit.\n")
- (let ((fill-column (- (window-width) notmuch-hello-indent)))
- (center-region start (point))))
-
- (use-local-map widget-keymap)
- (local-set-key "=" 'notmuch-hello-update)
- (local-set-key "G" 'notmuch-hello-poll-and-update)
- (local-set-key "m" 'notmuch-mua-mail)
- (local-set-key "q" '(lambda () (interactive) (kill-buffer (current-buffer))))
- (local-set-key "s" 'notmuch-hello-goto-search)
- (local-set-key "v" '(lambda () (interactive)
- (message "notmuch version %s" (notmuch-version))))
-
- (widget-setup)
-
- (goto-char final-target-pos)
- (if (not (widget-at))
- (widget-forward 1)))))
-
-;;;###autoload
(defun notmuch-folder ()
"Deprecated function for invoking notmuch---calling `notmuch' is preferred now."
(interactive)