X-Git-Url: https://git.notmuchmail.org/git?a=blobdiff_plain;f=emacs%2Fnotmuch-hello.el;h=e9caade5d4c1e6ad5fe2f6d76c63182d527c9212;hb=e1a700067a22214f54064c281219fbbbef87de06;hp=b4423edf74329d9b318f2a80ee6f4291cc551112;hpb=c9ba61bebef7733c4bf12adf94222e57621fdcf6;p=notmuch diff --git a/emacs/notmuch-hello.el b/emacs/notmuch-hello.el index b4423edf..c17b46bc 100644 --- a/emacs/notmuch-hello.el +++ b/emacs/notmuch-hello.el @@ -1,4 +1,4 @@ -;; notmuch-hello.el --- welcome to notmuch, a frontend +;;; notmuch-hello.el --- welcome to notmuch, a frontend ;; ;; Copyright © David Edmondson ;; @@ -15,44 +15,214 @@ ;; General Public License for more details. ;; ;; You should have received a copy of the GNU General Public License -;; along with Notmuch. If not, see . +;; along with Notmuch. If not, see . ;; ;; Authors: David Edmondson +;;; Code: + +(eval-when-compile (require 'cl-lib)) + (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-folder-count "notmuch" (search)) +(declare-function notmuch-search "notmuch" + (&optional query oldest-first target-thread target-line continuation)) +(declare-function notmuch-poll "notmuch" ()) +(declare-function notmuch-tree "notmuch-tree" + (&optional query query-context target buffer-name open-target unthreaded)) +(declare-function notmuch-unthreaded + (&optional query query-context target buffer-name open-target)) + + +(defun notmuch-saved-search-get (saved-search field) + "Get FIELD from SAVED-SEARCH. + +If SAVED-SEARCH is a plist, this is just `plist-get', but for +backwards compatibility, this also deals with the two other +possible formats for SAVED-SEARCH: cons cells (NAME . QUERY) and +lists (NAME QUERY COUNT-QUERY)." + (cond + ((keywordp (car saved-search)) + (plist-get saved-search field)) + ;; It is not a plist so it is an old-style entry. + ((consp (cdr saved-search)) + (pcase-let ((`(,name ,query ,count-query) saved-search)) + (cl-case field + (:name name) + (:query query) + (:count-query count-query) + (t nil)))) + (t + (pcase-let ((`(,name . ,query) saved-search)) + (cl-case field + (:name name) + (:query query) + (t nil)))))) + +(defun notmuch-hello-saved-search-to-plist (saved-search) + "Return a copy of SAVED-SEARCH in plist form. + +If saved search is a plist then just return a copy. In other +cases, for backwards compatibility, convert to plist form and +return that." + (if (keywordp (car saved-search)) + (copy-sequence saved-search) + (let ((fields (list :name :query :count-query)) + plist-search) + (dolist (field fields plist-search) + (let ((string (notmuch-saved-search-get saved-search field))) + (when string + (setq plist-search (append plist-search (list field string))))))))) + +(defun notmuch-hello--saved-searches-to-plist (symbol) + "Extract a saved-search variable into plist form. + +The new style saved search is just a plist, but for backwards +compatibility we use this function to extract old style saved +searches so they still work in customize." + (let ((saved-searches (default-value symbol))) + (mapcar #'notmuch-hello-saved-search-to-plist saved-searches))) + +(define-widget 'notmuch-saved-search-plist 'list + "A single saved search property list." + :tag "Saved Search" + :args '((list :inline t + :format "%v" + (group :format "%v" :inline t + (const :format " Name: " :name) + (string :format "%v")) + (group :format "%v" :inline t + (const :format " Query: " :query) + (string :format "%v"))) + (checklist :inline t + :format "%v" + (group :format "%v" :inline t + (const :format "Shortcut key: " :key) + (key-sequence :format "%v")) + (group :format "%v" :inline t + (const :format "Count-Query: " :count-query) + (string :format "%v")) + (group :format "%v" :inline t + (const :format "" :sort-order) + (choice :tag " Sort Order" + (const :tag "Default" nil) + (const :tag "Oldest-first" oldest-first) + (const :tag "Newest-first" newest-first))) + (group :format "%v" :inline t + (const :format "" :search-type) + (choice :tag " Search Type" + (const :tag "Search mode" nil) + (const :tag "Tree mode" tree) + (const :tag "Unthreaded mode" unthreaded)))))) + +(defcustom notmuch-saved-searches + `((:name "inbox" :query "tag:inbox" :key ,(kbd "i")) + (:name "unread" :query "tag:unread" :key ,(kbd "u")) + (:name "flagged" :query "tag:flagged" :key ,(kbd "f")) + (:name "sent" :query "tag:sent" :key ,(kbd "t")) + (:name "drafts" :query "tag:draft" :key ,(kbd "d")) + (:name "all mail" :query "*" :key ,(kbd "a"))) + "A list of saved searches to display. + +The saved search can be given in 3 forms. The preferred way is as +a plist. Supported properties are + + :name Name of the search (required). + :query Search to run (required). + :key Optional shortcut key for `notmuch-jump-search'. + :count-query Optional extra query to generate the count + shown. If not present then the :query property + is used. + :sort-order Specify the sort order to be used for the search. + Possible values are 'oldest-first 'newest-first or + nil. Nil means use the default sort order. + :search-type Specify whether to run the search in search-mode, + tree mode or unthreaded mode. Set to 'tree to specify tree + mode, 'unthreaded to specify unthreaded mode, and set to nil + (or anything except tree and unthreaded) to specify search mode. + +Other accepted forms are a cons cell of the form (NAME . QUERY) +or a list of the form (NAME QUERY COUNT-QUERY)." + ;; The saved-search format is also used by the all-tags notmuch-hello + ;; section. This section generates its own saved-search list in one of + ;; the latter two forms. + :get 'notmuch-hello--saved-searches-to-plist + :type '(repeat notmuch-saved-search-plist) + :tag "List of Saved Searches" + :group 'notmuch-hello) (defcustom notmuch-hello-recent-searches-max 10 - "The number of recent searches to store and display." + "The number of recent searches to display." :type 'integer - :group 'notmuch) + :group 'notmuch-hello) -(defcustom notmuch-hello-show-empty-saved-searches nil +(defcustom notmuch-show-empty-saved-searches nil "Should saved searches with no messages be listed?" :type 'boolean - :group 'notmuch) + :group 'notmuch-hello) -(defcustom notmuch-hello-indent 4 - "How much to indent non-headers." - :type 'integer - :group 'notmuch) +(defun notmuch-sort-saved-searches (saved-searches) + "Generate an alphabetically sorted saved searches list." + (sort (copy-sequence saved-searches) + (lambda (a b) + (string< (notmuch-saved-search-get a :name) + (notmuch-saved-search-get b :name))))) + +(defcustom notmuch-saved-search-sort-function nil + "Function used to sort the saved searches for the notmuch-hello view. -(defcustom notmuch-hello-saved-searches notmuch-folders - "A list of saved searches to display." - :type '(alist :key-type string :value-type string) - :group 'notmuch) +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 list as a parameter, and returns a new saved searches +list to be used. For compatibility with the various saved-search +formats it should use notmuch-saved-search-get to access the +fields of the search." + :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) -(defcustom notmuch-hello-show-logo t +(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-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) @@ -62,25 +232,160 @@ (background light)) (:background "white"))) "Background colour for the notmuch logo." - :group 'notmuch) + :group 'notmuch-hello + :group 'notmuch-faces) -(defcustom notmuch-hello-jump-to-search nil - "Whether `notmuch-hello' should always jump to the search -field." - :type 'boolean - :group 'notmuch) +(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) -(defvar notmuch-hello-url "http://notmuchmail.org" +(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 "https://notmuchmail.org" "The `notmuch' web site.") -(defvar notmuch-hello-recent-searches nil) +(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. -(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-hello-recent-searches-max) - (setq notmuch-hello-recent-searches (butlast notmuch-hello-recent-searches)))) +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." @@ -88,10 +393,12 @@ field." (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) @@ -99,119 +406,336 @@ field." (symbol-value (widget-get widget :notmuch-saved-search-widget)))) (name (completing-read "Name for saved search: " - notmuch-hello-saved-searches))) + notmuch-saved-searches))) ;; If an existing saved search with this name exists, remove it. - (setq notmuch-hello-saved-searches - (loop for elem in notmuch-hello-saved-searches - if (not (equal name - (car elem))) - collect elem)) + (setq notmuch-saved-searches + (cl-loop for elem in notmuch-saved-searches + if (not (equal name + (notmuch-saved-search-get elem :name))) + collect elem)) ;; Add the new one. - (customize-save-variable 'notmuch-hello-saved-searches - (push (cons name search) - notmuch-hello-saved-searches)) + (customize-save-variable 'notmuch-saved-searches + (add-to-list 'notmuch-saved-searches + (list :name name :query 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 - maximize (length (car elem))) +(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 (cl-loop for elem in searches-alist + maximize (length (notmuch-saved-search-get elem :name))) 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-generate-row (ncols nrows row list) + (let ((len (length list))) + (cl-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 width) - "Reflect a `width' wide matrix represented by `list' along the +(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))) - (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)))) + (let ((nrows (ceiling (length list) ncols))) + (cl-loop for row from 0 to (- nrows 1) + 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)) - -(defun notmuch-hello-insert-tags (tag-alist widest) - (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)))) + (cond + ((eq (widget-get widget :notmuch-search-type) 'tree) + (notmuch-tree (widget-get widget + :notmuch-search-terms))) + ((eq (widget-get widget :notmuch-search-type) 'unthreaded) + (notmuch-unthreaded (widget-get widget + :notmuch-search-terms))) + (t + (notmuch-search (widget-get widget + :notmuch-search-terms) + (widget-get widget + :notmuch-search-oldest-first))))) + +(defun notmuch-saved-search-count (search) + (car (process-lines notmuch-command "count" search))) + +(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-list &rest options) + "Compute list of counts of matched messages from QUERY-LIST. + +QUERY-LIST must be a list of saved-searches. Ideally each of +these is a plist but other options are available for backwards +compatibility: see `notmuch-saved-searches' for details. + +The result is a list of plists each of which includes the +properties :name NAME, :query QUERY and :count COUNT, together +with any properties in the original saved-search. + +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-list nil) + (let ((count-query (or (notmuch-saved-search-get elem :count-query) + (notmuch-saved-search-get elem :query)))) + (insert + (replace-regexp-in-string + "\n" " " + (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* ((elem-plist (notmuch-hello-saved-search-to-plist elem)) + (search-query (plist-get elem-plist :query)) + (filtered-query (notmuch-hello-filtered-query + search-query (plist-get options :filter))) + (message-count (prog1 (read (current-buffer)) + (forward-line 1)))) + (when (and filtered-query (or (plist-get options :show-empty-searches) + (> message-count 0))) + (setq elem-plist (plist-put elem-plist :query filtered-query)) + (plist-put elem-plist :count message-count)))) + query-list)))) + +(defun notmuch-hello-insert-buttons (searches) + "Insert buttons for SEARCHES. + +SEARCHES must be a list of plists each of which should contain at +least the properties :name NAME :query QUERY and :count COUNT, +where QUERY is the query to start when the button for the +corresponding entry is activated, and COUNT should be the number +of messages matching the query. Such a plist 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 "")) ;; 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-folder-count (cdr elem)))) - (widget-create 'push-button - :notify #'notmuch-hello-widget-search - :notmuch-search-terms (cdr elem) - (car elem)) - (insert (make-string (- 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 + (when (> column-indent 0) + (widget-insert (make-string column-indent ? ))) + (let* ((name (plist-get elem :name)) + (query (plist-get elem :query)) + (oldest-first (cl-case (plist-get elem :sort-order) + (newest-first nil) + (oldest-first t) + (otherwise notmuch-search-oldest-first))) + (search-type (plist-get elem :search-type)) + (msg-count (plist-get elem :count))) + (widget-insert (format "%8s " + (notmuch-hello-nice-number msg-count))) + (widget-create 'push-button + :notify #'notmuch-hello-widget-search + :notmuch-search-terms query + :notmuch-search-oldest-first oldest-first + :notmuch-search-type search-type + 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")))) - -(defun notmuch-hello-goto-search () - "Put point inside the `search' widget, which we know is first." - (interactive) - (goto-char (point-min)) - (widget-forward 3)) + (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 t)) - -(defun notmuch-hello-update (&optional no-display) +(defun notmuch-hello-update () + "Update the notmuch-hello buffer." ;; Lazy - rebuild everything. (interactive) - (notmuch-hello no-display)) + (notmuch-hello t)) -(defun notmuch-hello (&optional no-display) +(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))) + (unless (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)) + (unless hello-buf + ;; Clean up hook + (remove-hook 'window-configuration-change-hook + #'notmuch-hello-window-configuration-change)))) + +;; the following variable is defined as being defconst in notmuch-version.el +(defvar notmuch-emacs-version) + +(defun notmuch-hello-versions () + "Display the notmuch version(s)." (interactive) + (let ((notmuch-cli-version (notmuch-cli-version))) + (message "notmuch version %s" + (if (string= notmuch-emacs-version notmuch-cli-version) + notmuch-cli-version + (concat notmuch-cli-version + " (emacs mua version " notmuch-emacs-version ")"))))) + +(defvar notmuch-hello-mode-map + (let ((map (if (fboundp 'make-composed-keymap) + ;; Inherit both widget-keymap and + ;; notmuch-common-keymap. We have to use + ;; make-sparse-keymap to force this to be a new + ;; keymap (so that when we modify map it does not + ;; modify widget-keymap). + (make-composed-keymap (list (make-sparse-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" 'notmuch-hello-versions) + (define-key map (kbd "") 'widget-backward) + map) + "Keymap for \"notmuch hello\" buffers.") +(fset 'notmuch-hello-mode-map notmuch-hello-mode-map) + +(define-derived-mode notmuch-hello-mode fundamental-mode "notmuch-hello" + "Major mode for convenient notmuch navigation. This is your entry portal into notmuch. + +Saved searches are \"bookmarks\" for arbitrary queries. Hit RET +or click on a saved search to view matching threads. Edit saved +searches with the `edit' button. Type `\\[notmuch-jump-search]' +in any Notmuch screen for quick access to saved searches that +have shortcut keys. - (if no-display - (set-buffer "*notmuch-hello*") - (switch-to-buffer "*notmuch-hello*")) +Type new searches in the search box and hit RET to view matching +threads. Hit RET in a recent search box to re-submit a previous +search. Edit it first if you like. Save a recent search to saved +searches with the `save' button. - (kill-all-local-variables) - (let ((inhibit-read-only t)) - (erase-buffer)) +Hit `\\[notmuch-search]' or `\\[notmuch-tree]' in any Notmuch +screen to search for messages and view matching threads or +messages, respectively. Recent searches are available in the +minibuffer history. - (let ((all (overlay-lists))) - ;; Delete all the overlays. - (mapc 'delete-overlay (car all)) - (mapc 'delete-overlay (cdr all))) +Expand the all tags view with the `show' button (and collapse +again with the `hide' button). Hit RET or click on a tag name to +view matching threads. - (when notmuch-hello-show-logo +Hit `\\[notmuch-refresh-this-buffer]' to refresh the screen and +`\\[notmuch-bury-or-kill-this-buffer]' to quit. + +The screen may be customized via `\\[customize]'. + +Complete list of currently available key bindings: + +\\{notmuch-hello-mode-map}" + (setq notmuch-buffer-refresh-function #'notmuch-hello-update) + ;;(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 @@ -222,7 +746,9 @@ diagonal." ;; dark background. (setq image (cons 'image (append (cdr image) - (list :background (face-background 'notmuch-hello-logo-background))))) + (list :background + (face-background + 'notmuch-hello-logo-background))))) (insert-image image)) (widget-insert " ")) @@ -241,33 +767,64 @@ diagonal." :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")) + (notmuch-hello-nice-number + (string-to-number + (car (process-lines notmuch-command "count"))))) + (widget-insert " messages.\n"))) - (let ((start (point))) - (widget-insert "Search: ") - (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)) +(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")) - (when notmuch-hello-recent-searches - (widget-insert "\nRecent searches: ") +(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) - (setq notmuch-hello-recent-searches nil) - (notmuch-hello-update)) + (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)) - (nth 0)) - (mapc '(lambda (search) - (let ((widget-symbol (intern (format "notmuch-hello-search-%d" nth)))) + (let ((start (point))) + (cl-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 @@ -284,7 +841,12 @@ diagonal." ;; `[save]' button. 6 ;; for the `[save]' ;; button. - 1 6)) + 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)) @@ -293,69 +855,173 @@ diagonal." :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))) - - (let* ((saved-alist - ;; Filter out empty saved seaches if required. - (if notmuch-hello-show-empty-saved-searches - notmuch-hello-saved-searches - (loop for elem in notmuch-hello-saved-searches - if (> (string-to-number (notmuch-folder-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 "\nSaved searches: ") + "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-list &rest options) + "Insert a section with TITLE showing a list of buttons made from QUERY-LIST. + +QUERY-LIST should ideally be a plist but for backwards +compatibility other forms are also accepted (see +`notmuch-saved-searches' for details). The plist should +contain keys :name and :query; if :count-query is also present +then it specifies an alternate query to be used to generate the +count for the associated search. + +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 conjunction 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 ": ") + (when (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 (&rest ignore) - (customize-variable 'notmuch-hello-saved-searches)) - "edit") - (widget-insert "\n\n") - (let ((start (point))) - (notmuch-hello-insert-tags saved-alist widest) - (indent-rigidly start (point) notmuch-hello-indent))) + :notify `(lambda (widget &rest ignore) + (add-to-list 'notmuch-hello-hidden-sections + ,title) + (notmuch-hello-update)) + "hide")) + (widget-insert "\n") + (unless is-hidden + (let ((searches (apply 'notmuch-hello-query-counts query-list 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)))))) - (when alltags-alist - (widget-insert "\nAll tags:\n\n") - (let ((start (point))) - (notmuch-hello-insert-tags alltags-alist widest) - (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 "\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-hello-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") + (widget-insert "Hit `?' for context-sensitive help in any Notmuch screen.\n") + (widget-insert "Customize ") + (widget-create 'link + :notify (lambda (&rest ignore) + (customize-group 'notmuch)) + :button-prefix "" :button-suffix "" + "Notmuch") + (widget-insert " or ") + (widget-create 'link + :notify (lambda (&rest ignore) + (customize-variable 'notmuch-hello-sections)) + :button-prefix "" :button-suffix "" + "this page.") (let ((fill-column (- (window-width) notmuch-hello-indent))) - (center-region start (point)))) + (center-region start (point))))) - (use-local-map widget-keymap) - (local-set-key "=" 'notmuch-hello-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) +;;;###autoload +(defun notmuch-hello (&optional no-display) + "Run notmuch and display saved searches, known tags, etc." + (interactive) + (notmuch-assert-cli-sane) + ;; 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*"))) + ;; Install auto-refresh hook + (when notmuch-hello-auto-refresh + (add-hook 'window-configuration-change-hook + #'notmuch-hello-window-configuration-change)) + (let ((target-line (line-number-at-pos)) + (target-column (current-column)) + (inhibit-read-only t)) + ;; 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))) + (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)) - (if notmuch-hello-jump-to-search - (notmuch-hello-goto-search) - (goto-char (point-min)))) +(defun notmuch-folder () + "Deprecated function for invoking notmuch---calling `notmuch' is preferred now." + (interactive) + (notmuch-hello)) ;; (provide 'notmuch-hello) + +;;; notmuch-hello.el ends here