-;;; notmuch-hello.el --- welcome to notmuch, a frontend
+;;; notmuch-hello.el --- welcome to notmuch, a frontend -*- lexical-binding: t -*-
;;
;; Copyright © David Edmondson
;;
;;; Code:
-(require 'cl-lib)
(require 'widget)
(require 'wid-edit) ; For `widget-forward'.
(&optional query query-context target buffer-name open-target))
+;;; Options
+
(defun notmuch-saved-search-get (saved-search field)
"Get FIELD from SAVED-SEARCH.
(defvar notmuch-hello-indent 4
"How much to indent non-headers.")
+(defimage notmuch-hello-logo ((:type png :file "notmuch-logo.png")))
+
(defcustom notmuch-show-logo t
"Should the notmuch logo be shown?"
:type 'boolean
:group 'notmuch-hello
:type 'boolean)
+;;; Internal variables
+
(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)))))
+;;; Widgets for inserters
+
+(define-widget 'notmuch-search-item 'item
+ "A recent search."
+ :format "%v\n"
+ :value-create 'notmuch-search-item-value-create)
+
+(defun notmuch-search-item-value-create (widget)
+ (let ((value (widget-get widget :value)))
+ (widget-insert (make-string notmuch-hello-indent ?\s))
+ (widget-create 'editable-field
+ :size (widget-get widget :size)
+ :parent widget
+ :action #'notmuch-hello-search
+ value)
+ (widget-insert " ")
+ (widget-create 'push-button
+ :parent widget
+ :notify #'notmuch-hello-add-saved-search
+ "save")
+ (widget-insert " ")
+ (widget-create 'push-button
+ :parent widget
+ :notify #'notmuch-hello-delete-search-from-history
+ "del")))
+
+(defun notmuch-search-item-field-width ()
+ (max 8 ; Don't let the search boxes be less than 8 characters wide.
+ (- (window-width)
+ notmuch-hello-indent ; space at bol
+ notmuch-hello-indent ; space at eol
+ 1 ; for the space before the [save] button
+ 6 ; for the [save] button
+ 1 ; for the space before the [del] button
+ 5))) ; for the [del] button
+
+;;; Widget actions
(defun notmuch-hello-search (widget &rest _event)
(let ((search (widget-value widget)))
;; If an existing saved search with this name exists, remove it.
(setq notmuch-saved-searches
(cl-loop for elem in notmuch-saved-searches
- if (not (equal name
- (notmuch-saved-search-get elem :name)))
+ unless (equal name (notmuch-saved-search-get elem :name))
collect elem))
;; Add the new one.
(customize-save-variable 'notmuch-saved-searches
(delete search notmuch-search-history)))
(notmuch-hello-update)))
+;;; Button utilities
+
+;; `notmuch-hello-query-counts', `notmuch-hello-nice-number' and
+;; `notmuch-hello-insert-buttons' are used outside this section.
+;; All other functions that are defined in this section are only
+;; used by these two functions.
+
(defun notmuch-hello-longest-label (searches-alist)
(or (cl-loop for elem in searches-alist
maximize (length (notmuch-saved-search-get elem :name)))
(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)
- (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)))
+(defun notmuch-hello-widget-search (widget &rest _ignore)
+ (cl-case (widget-get widget :notmuch-search-type)
+ (tree
+ (notmuch-tree (widget-get widget :notmuch-search-terms)))
+ (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)))))
+ (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)))
(list (plist-put elem-plist :count message-count)))))
query-list)))
+(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-insert-buttons (searches)
"Insert buttons for SEARCHES.
(unless (eq (% count tags-per-line) 0)
(widget-insert "\n"))))
-(defimage notmuch-hello-logo ((:type png :file "notmuch-logo.png")))
+;;; Mode
(defun notmuch-hello-update ()
"Update the notmuch-hello buffer."
Complete list of currently available key bindings:
\\{notmuch-hello-mode-map}"
- (setq notmuch-buffer-refresh-function #'notmuch-hello-update)
- ;;(setq buffer-read-only t)
- )
+ (setq notmuch-buffer-refresh-function #'notmuch-hello-update))
+
+;;; Inserters
(defun notmuch-hello-generate-tag-alist (&optional hide-tags)
"Return an alist from tags to queries to display in the all-tags section."
(let ((widget-link-prefix "")
(widget-link-suffix ""))
(widget-create 'link
- :notify (lambda (&rest ignore)
+ :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)
+ :notify (lambda (&rest _ignore)
(notmuch-hello-update))
:help-echo "Refresh"
(notmuch-hello-nice-number
(when searches
(widget-insert "Saved searches: ")
(widget-create 'push-button
- :notify (lambda (&rest ignore)
+ :notify (lambda (&rest _ignore)
(customize-variable 'notmuch-saved-searches))
"edit")
(widget-insert "\n\n")
;; 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 (propertize "." '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-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)))
- (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
- ;; 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 #'notmuch-hello-search
- search))
- (widget-insert " ")
- (widget-create 'push-button
- :notify #'notmuch-hello-add-saved-search
- :notmuch-saved-search-widget widget-symbol
- "save")
- (widget-insert " ")
- (widget-create 'push-button
- :notify #'notmuch-hello-delete-search-from-history
- :notmuch-saved-search-widget widget-symbol
- "del"))
- (widget-insert "\n"))
- (indent-rigidly start (point) notmuch-hello-indent))
- nil))
+ (let ((width (notmuch-search-item-field-width)))
+ (dolist (search (seq-take notmuch-search-history
+ notmuch-hello-recent-searches-max))
+ (widget-create 'notmuch-search-item :value search :size width)))))
(defun notmuch-hello-insert-searches (title query-list &rest options)
"Insert a section with TITLE showing a list of buttons made from QUERY-LIST.
(start (point)))
(if is-hidden
(widget-create 'push-button
- :notify `(lambda (widget &rest ignore)
+ :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)
+ :notify `(lambda (widget &rest _ignore)
(add-to-list 'notmuch-hello-hidden-sections
,title)
(notmuch-hello-update))
(widget-insert "Hit `?' for context-sensitive help in any Notmuch screen.\n")
(widget-insert "Customize ")
(widget-create 'link
- :notify (lambda (&rest ignore)
+ :notify (lambda (&rest _ignore)
(customize-group 'notmuch))
:button-prefix "" :button-suffix ""
"Notmuch")
(widget-insert " or ")
(widget-create 'link
- :notify (lambda (&rest ignore)
+ :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)))))
+;;; Hello!
+
;;;###autoload
(defun notmuch-hello (&optional no-display)
"Run notmuch and display saved searches, known tags, etc."
(run-hooks 'notmuch-hello-refresh-hook)
(setq notmuch-hello-first-run nil))
-;;
+;;; _
(provide 'notmuch-hello)
projects / notmuch / blobdiff