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WIP: More work, now works in Elemental style

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Adam Porter 2022-05-14 10:48:59 -05:00
parent 3f475d2c92
commit a92ac84819
1 changed files with 113 additions and 30 deletions
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121
ement-room.el
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@ -807,13 +807,33 @@ BODY is wrapped in a lambda form that binds `event', `room', and
;; So `ement-room--format-user' returns a string propertized with `help-echo' as a string.
(concat sender "​")))
(ement-room-define-event-formatter ?S
"Sender display name."
(ignore session)
(pcase-let ((sender (ement-room--format-user (ement-event-sender event) room)))
sender))
(defcustom ement-room-generate-user-avatars t
"Generate Element-like avatars for users who have none."
:type 'boolean)
(ement-room-define-event-formatter ?a
"Sender avatar."
(ignore session)
(if-let (avatar (ement-user-avatar (ement-event-sender event)))
(ignore session room)
(pcase-let (((cl-struct ement-event sender) event))
(if-let (avatar (ement-user-avatar sender))
;; (propertize " " 'display `((:align-to left-margin) ,avatar))
(propertize " " 'display avatar)
"NOA"))
(if ement-room-generate-user-avatars
(propertize " "
'display (setf (ement-user-avatar sender)
(ement--make-avatar (ement--user-displayname-in room sender)
(or (ement-user-color sender)
(setf (ement-user-color sender)
(ement-room--user-color sender))))))
;; User avatars seem to be about 2 characters wide on average, so if the user has
;; none, use two spaces.
" "))))
(ement-room-define-event-formatter ?r
"Reactions."
@ -2278,26 +2298,39 @@ function to `ement-room-event-fns', which see."
(ement-room--insert-event event))
(ement-room-defevent "m.room.member"
(pcase-let* (((cl-struct ement-event sender) event)
((cl-struct ement-user avatar-url) sender)
(pcase-let* (((cl-struct ement-event sender
(content (map ('avatar_url avatar-url))))
event)
(room ement-room))
(with-silent-modifications
(ement-room--insert-event event))
(when (and ement-room-user-avatars avatar-url (not (string-empty-p avatar-url)))
(cond ((and ement-room-user-avatars avatar-url (not (string-empty-p avatar-url)))
(plz 'get (ement--mxc-to-url avatar-url ement-session) :as 'binary
:then (lambda (data)
(let* ((image (ement--resize-image (create-image data nil 'data-p)
nil (frame-char-height))))
(setf (image-property image :ascent) 'center
(when data
(when-let (image (create-image data nil 'data-p))
(setf image (ement--resize-image image nil (frame-char-height))
(image-property image :ascent) 'center
(ement-user-avatar sender) image)
(message "SENDER:%S AVATAR:%S" (ement-user-id sender) image)
(when-let (buffer (alist-get 'buffer (ement-room-local room)))
(with-current-buffer buffer
(ewoc-map
(lambda (data)
(and (ement-event-p data)
(equal (ement-event-sender data) sender)))
ement-ewoc)))))))))
ement-ewoc))))))))
(ement-room-generate-user-avatars
(setf (ement-user-avatar sender)
(ement--make-avatar (ement--user-displayname-in room sender)
(or (ement-user-color sender)
(setf (ement-user-color sender)
(ement-room--user-color sender)))))))))
(defun ement--make-avatar (string background)
(svg-lib-tag (substring string 0 1) nil
:background background
:foreground "white"
:stroke 0))
(ement-room-defevent "m.room.message"
(pcase-let* (((cl-struct ement-event content unsigned) event)
@ -2872,8 +2905,13 @@ seconds."
((pred ement-event-p)
(insert "" (ement-room--format-event thing ement-room ement-session)))
((pred ement-user-p)
(insert (propertize (ement-room--format-user thing)
'display ement-room-username-display-property)))
(let ((string (ement-room--format-user thing)))
(alter-text-property 0 (length string) 'display
(lambda (value)
(list ement-room-username-display-property value))
string)
(insert string
)))
(`(ts ,(and (pred numberp) ts)) ;; Insert a date header.
(insert
(if (equal ement-room-timestamp-header-format ement-room-timestamp-header-with-date-format)
@ -3056,12 +3094,26 @@ Format defaults to `ement-room-message-format-spec', which see."
(when-let ((left-margin-end (next-single-property-change (point-min) 'left-margin-end)))
(goto-char left-margin-end)
(delete-char 1)
(let ((left-margin-text-width (string-width (buffer-substring-no-properties (point-min) (point)))))
(let ((left-margin-text-width (ement--string-width (buffer-substring (point-min) (point))))
(string (buffer-substring (point-min) (point))))
;; It would be preferable to not have to allocate a string to
;; calculate the display width, but I don't know of another way.
(put-text-property (point-min) (point)
'display `((margin left-margin)
,(buffer-substring (point-min) (point))))
;; (put-text-property (point-min) (point)
;; 'display `((margin left-margin)
;; ,(buffer-substring (point-min) (point))))
(alter-text-property (point-min) (point) 'display
;; Make any images display in the left margin.
(lambda (value)
(when (or (eq 'image (car value))
(cl-find 'image value :key #'car))
`((margin left-margin) ,value))))
(alter-text-property (point-min) (point) 'display
;; Make the rest of the text display in the left margin.
(lambda (value)
(if (or (eq 'image (car value))
(cl-find 'image value :key #'car))
value
`((margin left-margin) ,string))))
(save-excursion
(goto-char (point-min))
;; Insert a string with a display specification that causes it to be displayed in the
@ -3086,6 +3138,26 @@ Format defaults to `ement-room-message-format-spec', which see."
'display `((margin right-margin) ,string))))))
(buffer-string))))
(defun ement--string-width (string)
"Return the display width in characters of STRING.
Attempts to include the width of any images in it. Assumes that
any overriding `display' properties in STRING only override with
images, not with other text."
(let* ((length (length string))
(pos -1)
(images-width 0))
(while (and (setf pos (text-property-not-all (1+ pos) length 'display nil string))
(< pos length))
(let* ((display (get-text-property pos 'display string))
(image (if (eq 'image (car display))
display
(cl-find 'image display :key #'car))))
(when image
(cl-incf images-width (floor (car (image-size image)))))))
(+ images-width (string-width string))))
(cl-defun ement-room--format-message-body (event &key (formatted-p t))
"Return formatted body of \"m.room.message\" EVENT.
If FORMATTED-P, return the formatted body content, when available."
@ -3175,11 +3247,22 @@ ROOM defaults to the value of `ement-room'."
`(:inherit ement-room-user :foreground ,(or (ement-user-color user)
(setf (ement-user-color user)
(ement-room--user-color user)))))
(t 'ement-room-user))))
(t 'ement-room-user)))
(string (if (and ement-room-user-avatars ement-room-sender-in-headers)
(concat (propertize " "
'display (list '(margin left-margin)
(or (ement-user-avatar user)
(setf (ement-user-avatar user)
(ement--make-avatar (ement--user-displayname-in room user)
(or (ement-user-color user)
(setf (ement-user-color user)
(ement-room--user-color user))))))))
"" (ement--user-displayname-in room user) )
(ement--user-displayname-in room user))))
;; FIXME: If a membership state event has not yet been received, this
;; sets the display name in the room to the user ID, and that prevents
;; the display name from being used if the state event arrives later.
(propertize (ement--user-displayname-in room user)
(propertize string
'face face
'help-echo (ement-user-id user))))