- (kill-all-local-variables)
- (let ((inhibit-read-only t))
- (erase-buffer))
-
- (let ((all (overlay-lists)))
- ;; Delete all the overlays.
- (mapc 'delete-overlay (car all))
- (mapc 'delete-overlay (cdr all)))
-
- (when notmuch-hello-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-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 "Saved searches: ")
- (widget-create 'push-button
- :notify (lambda (&rest ignore)
- (customize-variable 'notmuch-hello-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 ((target (if (widget-at)
+ (widget-value (widget-at))
+ (condition-case nil
+ (progn
+ (widget-forward 1)
+ (widget-value (widget-at)))
+ (error nil))))
+ (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)))
+
+ (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"))
+
+ (let ((found-target-pos nil)
+ (final-target-pos nil))
+ (let* ((saved-alist
+ ;; Filter out empty saved searches 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 (if notmuch-show-all-tags-list (notmuch-hello-generate-tag-alist)))
+ (alltags-widest (notmuch-hello-longest-label alltags-alist))
+ (widest (max saved-widest alltags-widest)))
+
+ (when saved-alist
+ ;; Sort saved searches if required.
+ (when notmuch-saved-search-sort-function
+ (setq saved-alist
+ (funcall notmuch-saved-search-sort-function saved-alist)))
+ (widget-insert "\nSaved 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)))