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telega-modes.el
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telega-modes.el
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;;; telega-modes.el --- Minor modes for the telega -*- lexical-binding:t -*-
;; Copyright (C) 2019 by Zajcev Evgeny.
;; Author: Zajcev Evgeny <[email protected]>
;; Created: Thu Aug 15 19:18:23 2019
;; Keywords:
;; telega is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; telega is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with telega. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; See https://zevlg.github.io/telega.el/#minor-modes
;;; Code:
(require 'telega-customize)
(require 'telega-server)
(require 'telega-filter)
(require 'telega-util)
(defvar tracking-buffers)
(declare-function telega-account-current "telega")
(declare-function telega "telega" (&optional arg))
(declare-function telega-kill "telega" (force))
(defgroup telega-modes nil
"Customization for telega minor modes."
:prefix "telega-"
:group 'telega)
;;; ellit-org: minor-modes
;; ** telega-mode-line-mode
;;
;; Global minor mode to display =telega= status in modeline.
;;
;; Enable with ~(telega-mode-line-mode 1)~ or at =telega= load time:
;; #+begin_src emacs-lisp
;; (add-hook 'telega-load-hook 'telega-mode-line-mode)
;; #+end_src
;;
;; Customizable options:
;;
;; - {{{user-option(telega-mode-line-string-format, 2)}}}
(defcustom telega-mode-line-string-format
'(" " (:eval (telega-mode-line-icon))
(:eval (car (telega-account-current)))
(:eval (telega-mode-line-online-status))
(:eval (when telega-use-tracking-for
(telega-mode-line-tracking)))
(:eval (telega-mode-line-unread-unmuted))
(:eval (telega-mode-line-mentions 'messages)))
"Format in mode-line-format for `telega-mode-line-string'."
:type 'sexp
:group 'telega-modes)
(defvar telega-mode-line-string ""
"Used to cache formatted modeline string.")
(defcustom telega-mode-line-format
(list '(:eval (when (telega-server-live-p)
telega-mode-line-string)))
"Format in mode-line-format to be used as part of `global-mode-string'."
:type 'sexp
:group 'telega-modes
:risky t)
(defvar telega-mode-line--logo-image-cache nil "Cached loaded logo image.")
(defun telega-mode-line-logo-image ()
"Return telega logo image to be used in modeline."
(let* ((box-line-width-raw
(plist-get (face-attribute telega--default-face :box) :line-width))
(box-line-width
(if (consp box-line-width-raw)
(car box-line-width-raw)
(or box-line-width-raw 0)))
(mode-line-height
(+ (telega-chars-xheight 1)
;; NOTE: height adjustment only needed if box-line-width
;; is negative. See https://t.me/emacs_telega/26677
(if (< box-line-width 0)
(* 2 box-line-width)
0))))
(if (eq mode-line-height
(plist-get (cdr telega-mode-line--logo-image-cache) :height))
telega-mode-line--logo-image-cache
(setq telega-mode-line--logo-image-cache
(find-image
(list (list :type 'svg :file "etc/telega-logo.svg"
:scale 1 :ascent 'center :mask 'heuristic
:height mode-line-height)
(list :type (when (fboundp 'imagemagick-types) 'imagemagick)
:file "etc/telega-logo.png"
:scale 1 :ascent 'center :mask 'heuristic
:height mode-line-height)
(list :type 'xpm :file "etc/telega-logo.xpm"
:scale 1 :ascent 'center
:height mode-line-height)))))))
(defun telega-mode-line-icon ()
"Return telegram logo icon to be used in modeline."
(propertize telega-symbol-telegram
'display (telega-mode-line-logo-image)
'local-map (eval-when-compile
(make-mode-line-mouse-map 'mouse-1 'telega))
'mouse-face 'mode-line-highlight
'help-echo "Click to show telega root buffer"))
(defun telega-mode-line-online-status ()
"Return online status symbol."
;; NOTE: At start time user info might not be available
(when-let ((me-user (telega-user-me 'locally)))
(if (telega-user-online-p me-user)
telega-symbol-online-status
(propertize telega-symbol-online-status 'face 'telega-shadow))))
(defun telega-mode-line--online-status-update (event)
(when (eq (plist-get event :user_id) telega--me-id)
(telega-mode-line-update)))
(defmacro telega-mode-line-filter-gen (filter-spec)
"Generate filtering command for `telega-mode-line-mode' using FILTER-SPEC."
`(lambda ()
(interactive)
(telega nil)
(telega-view-default)
(telega-filters-push ,filter-spec)))
(defun telega-mode-line-tracking ()
"Format number of tracking chats."
(when tracking-buffers
(concat
" "
(propertize (concat "[" (number-to-string (length tracking-buffers)) "]")
'local-map
(eval-when-compile
(make-mode-line-mouse-map
'mouse-1 (telega-mode-line-filter-gen '(tracking))))
'mouse-face 'mode-line-highlight
'help-echo "Click to filter tracking chats"))))
(defun telega-mode-line-unread-unmuted (&optional messages-p)
"Format unread-unmuted chats/messages.
If MESSAGES-P is non-nil then use number of unread unmuted messages."
(let ((uu-count (if messages-p
(plist-get telega--unread-message-count :unread_unmuted_count)
(plist-get telega--unread-chat-count :unread_unmuted_count))))
;; NOTE: `telega--unread-chat-count' or
;; `telega--unread-message-count' might not be yet updated, so
;; `uu-count' can be nil
(unless (zerop (or uu-count 0))
(concat
" "
(propertize (number-to-string uu-count)
'face 'telega-unread-unmuted-modeline
'local-map
(eval-when-compile
(make-mode-line-mouse-map
'mouse-1 (telega-mode-line-filter-gen '(unread unmuted))))
'mouse-face 'mode-line-highlight
'help-echo "Click to filter chats with unread/unmuted messages")))))
(defun telega-mode-line-mentions (&optional messages-p)
"Format number of chats/messages with mentions.
If MESSAGES-P is non-nil then use number of messages with mentions."
(let* ((m-chats (telega-filter-chats telega--ordered-chats '(mention)))
(m-count (if messages-p
(apply '+ (mapcar (telega--tl-prop :unread_mention_count) m-chats))
(length m-chats))))
(unless (zerop m-count)
(concat
" "
(propertize (concat "@" (number-to-string m-count))
'face 'telega-mention-count
'local-map
(eval-when-compile
(make-mode-line-mouse-map
'mouse-1 (telega-mode-line-filter-gen '(mention))))
'mouse-face 'mode-line-highlight
'help-echo "Click to filter chats with mentions")))))
(defun telega-mode-line-update (&rest _ignored)
"Update value for `telega-mode-line-string'."
(when telega-mode-line-mode
(setq telega-mode-line-string
(when (telega-server-live-p)
(telega-format-mode-line telega-mode-line-string-format)))
(force-mode-line-update 'all)))
;;;###autoload
(define-minor-mode telega-mode-line-mode
"Toggle display of the unread chats/mentions in the modeline."
:init-value nil :global t :group 'telega-modes
(setq telega-mode-line-string "")
(unless global-mode-string
(setq global-mode-string '("")))
(if telega-mode-line-mode
(progn
(unless (memq 'telega-mode-line-format global-mode-string)
(setq global-mode-string
(append global-mode-string '(telega-mode-line-format))))
(advice-add 'telega--on-updateUnreadMessageCount
:after 'telega-mode-line-update)
(advice-add 'telega--on-updateUnreadChatCount
:after 'telega-mode-line-update)
(advice-add 'telega--on-updateChatUnreadMentionCount
:after 'telega-mode-line-update)
(advice-add 'telega--on-updateUserStatus
:after 'telega-mode-line--online-status-update)
(add-hook 'telega-ready-hook 'telega-mode-line-update)
(add-hook 'telega-chats-fetched-hook 'telega-mode-line-update)
(add-hook 'telega-kill-hook 'telega-mode-line-update)
;; NOTE: `tracking-buffer-added-hook', and
;; `tracking-buffer-removed-hook' are called *before*
;; tracking-buffers modification, so use advices instead
(advice-add 'tracking-add-buffer :after 'telega-mode-line-update)
(advice-add 'tracking-remove-buffer :after 'telega-mode-line-update)
(telega-mode-line-update))
(setq global-mode-string
(delq 'telega-mode-line-format global-mode-string))
(advice-remove 'telega--on-updateUnreadMessageCount
'telega-mode-line-update)
(advice-remove 'telega--on-updateUnreadChatCount
'telega-mode-line-update)
(advice-remove 'telega--on-updateChatUnreadMentionCount
'telega-mode-line-update)
(advice-remove 'telega--on-updateUserStatus
'telega-mode-line--online-status-update)
(remove-hook 'telega-ready-hook 'telega-mode-line-update)
(remove-hook 'telega-chats-fetched-hook 'telega-mode-line-update)
(remove-hook 'telega-kill-hook 'telega-mode-line-update)
(advice-remove 'tracking-add-buffer 'telega-mode-line-update)
(advice-remove 'tracking-remove-buffer 'telega-mode-line-update)
))
;;; ellit-org: minor-modes
;; ** telega-appindicator-mode
;;
;; Global minor mode to display =telega= status in system tray. This
;; mode requires appindicator support in the =telega-server=. To add
;; appindicator support to =telega-server=, please install
;; =libappindicator3-dev= or =libayatana-appindicator3-dev=
;; system package and rebuild =telega-server=
;; with {{{kbd(M-x telega-server-build RET}}}.
;;
;; Screenshot of system tray with enabled =telega= appindicator:
;; [[https://zevlg.github.io/telega/screen-appindicator.png]]
;;
;; Enable with ~(telega-appindicator-mode 1)~ or at =telega= load time:
;; #+begin_src emacs-lisp
;; (add-hook 'telega-load-hook 'telega-appindicator-mode)
;; #+end_src
;;
;; Customizable options:
;; - {{{user-option(telega-appindicator-use-label, 2)}}}
;; - {{{user-option(telega-appindicator-icon-colors, 2)}}}
;; - {{{user-option(telega-appindicator-show-account-name, 2)}}}
;; - {{{user-option(telega-appindicator-show-mentions, 2)}}}
;; - {{{user-option(telega-appindicator-labels, 2)}}}
(defcustom telega-appindicator-use-label nil
"Non-nil to add text labels to the icon.
Otherwise use just icon to show info.
labels are not supported by XEMBED based system trays, such as
`exwm-systemtray' or `polybar'."
:package-version '(telega . "0.7.20")
:type 'boolean
:group 'telega-modes)
(defcustom telega-appindicator-icon-colors
'((offline "white" "black" nil)
(online "#7739aa" "white" "#00ff00")
(connecting "gray" "white" "white"))
"Colors to use for offline/online appindicator icon.
Alist with `offline', `online' or `connecting' as key, and value in form
(CIRCLE-COLOR TRIANGLE-COLOR ONLINE-CIRCLE-COLOR)."
:package-version '(telega . "0.7.34")
:type '(alist :key-type symbol :value-type (repeat string))
:group 'telega-modes)
(defcustom telega-appindicator-show-account-name t
"*Non-nil to show current account name in appindicator label.
Applied only if `telega-appindicator-use-label' is non-nil."
:package-version '(telega . "0.7.2")
:type 'boolean
:group 'telega-modes)
(defcustom telega-appindicator-show-mentions t
"*Non-nil to show number of mentions in appindicator label.
Applied only if `telega-appindicator-use-label' is non-nil."
:package-version '(telega . "0.7.2")
:type 'boolean
:group 'telega-modes)
(defcustom telega-appindicator-labels
'("❶" "❷" "❸" "❹" "❺" "❻" "❼" "❽" "❾" "❿"
"⓫" "⓬" "⓭" "⓮" "⓯" "⓰" "⓱" "⓲" "⓳" "⓴")
"List of number labels to use for the number of unread unmuted chats.
Use this labels instead of plain number.
Set to nil to use plain number."
:package-version '(telega . "0.7.2")
:type '(repeat string)
:group 'telega-modes)
(defvar telega-appindicator--cached-icons nil
"Cached icons for offline/online statuses.")
;;;###autoload
(define-minor-mode telega-appindicator-mode
"Toggle display of the unread chats/mentions in the system tray."
:init-value nil :global t :group 'telega-modes
(if telega-appindicator-mode
(progn
(advice-add 'telega--on-updateUnreadChatCount
:after 'telega-appindicator-update)
(advice-add 'telega--on-updateChatUnreadMentionCount
:after 'telega-appindicator-update)
(add-hook 'telega-ready-hook 'telega-appindicator-init)
(add-hook 'telega-chats-fetched-hook 'telega-appindicator-update)
(add-hook 'telega-online-status-hook 'telega-appindicator-update)
(add-hook 'telega-connection-state-hook 'telega-appindicator-update)
(when (telega-server-live-p)
(telega-appindicator-init)))
(remove-hook 'telega-connection-state-hook 'telega-appindicator-update)
(remove-hook 'telega-online-status-hook 'telega-appindicator-update)
(remove-hook 'telega-chats-fetched-hook 'telega-appindicator-update)
(remove-hook 'telega-ready-hook 'telega-appindicator-init)
(advice-remove 'telega--on-updateChatUnreadMentionCount
'telega-appindicator-update)
(advice-remove 'telega--on-updateUnreadChatCount
'telega-appindicator-update)
;; Deactivate appindicator
(when (telega-server-live-p)
(telega-server--send "status passive" "appindicator"))
))
(defun telega-appindicator--gen-svg-icon (&optional label)
"Generate svg icon to be used in appindicator.
Return filename of the generated icon."
(let* ((state (cond ((eq telega--conn-state 'Connecting) 'connecting)
((funcall telega-online-status-function) 'online)
(t 'offline)))
(cached-label (concat (symbol-name state) label))
(cached-entry (assoc cached-label telega-appindicator--cached-icons)))
;; NOTE: Check cached icon is still accessible
(when (and cached-entry (not (file-exists-p (cdr cached-entry))))
(setq telega-appindicator--cached-icons
(remove cached-entry telega-appindicator--cached-icons)
cached-entry nil))
(or (cdr cached-entry)
(let* ((w 48) (h 48) (logo-w 36)
(svg (telega-svg-create w h))
(colors (cdr (assq state telega-appindicator-icon-colors))))
(svg-circle svg (/ h 2) (/ h 2) (/ h 2)
:fill-color (nth 0 colors))
(when (nth 2 colors)
(svg-circle svg (/ h 6) (/ h 6) (/ h 6)
:fill-color (nth 2 colors)))
(telega-svg-telega-logo svg logo-w
:fill-color (nth 1 colors)
:transform (format "translate(%f, %f)"
(/ (- h logo-w) 3) (- h logo-w)))
;; Label
(when (and label (not (string-empty-p label)))
(let ((fsz 36))
;; XXX: white background below the label
;; TODO: find a better way in the future
(svg-circle svg (- w (/ fsz 2)) (- h (/ fsz 2)) (1- (/ fsz 2))
:fill-color "white")
(svg-text svg label
:font-size fsz
:font-weight "bold"
:fill "#ff0000"
:font-family "monospace"
:stroke-width 1
:stroke-color "white"
;; XXX insane X/Y calculation
:x (- w fsz)
:y (- h (/ fsz 8)))))
(let ((image (telega-svg-image svg))
(svg-icon-file
(expand-file-name
(concat "appindicator-icon-" cached-label ".svg")
telega-temp-dir)))
(write-region (plist-get (cdr image) :data)
nil svg-icon-file nil 'quiet)
;; Cache it
(setq telega-appindicator--cached-icons
(cons (cons cached-label svg-icon-file)
telega-appindicator--cached-icons))
svg-icon-file)))))
(defun telega-appindicator-init ()
"Initialize appindicator."
(when telega-appindicator-mode
(telega-server--send
(concat "setup " (telega-appindicator--gen-svg-icon))
"appindicator")
(telega-appindicator-update)))
(defun telega-appindicator-update (&rest _ignored)
"Update appindicator label."
(when telega-appindicator-mode
(let* ((account
(when (and telega-appindicator-use-label
telega-appindicator-show-account-name)
(car (telega-account-current))))
(uu-chats-num
(or (plist-get telega--unread-chat-count :unread_unmuted_count)
0))
(uu-chats-str
(unless (zerop uu-chats-num)
(or (nth (1- uu-chats-num) telega-appindicator-labels)
(number-to-string uu-chats-num))))
(mentions-num
(or (when (and telega-appindicator-use-label
telega-appindicator-show-mentions)
(length (telega-filter-chats
telega--ordered-chats '(mention))))
0))
(mentions-str
(unless (zerop mentions-num)
(format "@%d" mentions-num)))
(label-strings
(remove nil (list account
(when (and account
(or uu-chats-str mentions-str))
"-")
uu-chats-str
mentions-str)))
(new-label (mapconcat #'identity label-strings " "))
(icon-filename
(telega-appindicator--gen-svg-icon
(unless telega-appindicator-use-label
new-label))))
(telega-server--send (concat "icon " icon-filename) "appindicator")
(when telega-appindicator-use-label
(telega-server--send (concat "label " new-label) "appindicator")))))
(defun telega-appindicator--on-event (event)
"Function called when event from appindicator is received."
(cond ((string= event "open")
;; NOTE: Raise Emacs frame and open rootbuf
(x-focus-frame nil)
(telega)
;; If there is single important chat, then switch to it
(let ((ichats (telega-filter-chats telega--ordered-chats 'important)))
(when (= 1 (length ichats))
(telega-switch-important-chat (car ichats)))))
((string= event "quit")
(x-focus-frame nil)
(telega-kill nil))
(t
(message "telega-server: Unknown appindicator-event: %s" event))))
;;; ellit-org: minor-modes
;; ** telega-autoplay-mode
;;
;; Global minor mode to automatically open content for incoming
;; messages. Message automatically opens if it matches against
;; ~telega-autoplay-msg-temex~ [[#telega-match-expressions][Message
;; Temex]] and message's content is fully observable.
;;
;; Enable with ~(telega-autoplay-mode 1)~ or at =telega= load time:
;; #+begin_src emacs-lisp
;; (add-hook 'telega-load-hook 'telega-autoplay-mode)
;; #+end_src
;;
;; Customizable options:
;; - {{{user-option(telega-autoplay-msg-temex, 2)}}}
;; - {{{user-option(telega-autoplay-custom-emojis, 2)}}}
(defcustom telega-autoplay-msg-temex
'(type Animation Sticker AnimatedEmoji Gift)
"Message Temex for messages to automatically play content for."
:type 'telega-msg-temex
:options '((and (not outgoing)
(or (type Animation Sticker AnimatedEmoji Gift)
(link-preview Animation Sticker))))
:group 'telega-modes)
(defcustom telega-autoplay-custom-emojis 10
"Non-nil to automatically play this number of custom emojis in the message."
:type '(choice (const :tag "Autoplay Disabled" nil)
integer)
:group 'telega-modes)
(defun telega-autoplay-custom-emojis (msg &optional force)
"Animate custom emojis for the message MSG."
(when telega-autoplay-custom-emojis
(when (or force (telega-msg-observable-p msg))
(let* ((custom-emoji-ids
(nconc (telega-custom-emoji--ids-for-msg msg '(content))
;; NOTE: reactions in the SavedMessages chat are tags
;; We don't animate tags
(unless (telega-msg-match-p msg '(chat saved-messages))
(telega-custom-emoji--ids-for-msg msg '(reactions)))))
(custom-emoji-stickers
(seq-take (seq-filter
(lambda (sticker)
(and sticker
(not (telega-sticker-static-p sticker))))
(mapcar #'telega-custom-emoji-get custom-emoji-ids))
telega-autoplay-custom-emojis)))
(dolist (custom-emoji custom-emoji-stickers)
(when (and (not (telega-sticker-static-p custom-emoji))
telega-sticker-animated-play)
(telega-sticker--animate custom-emoji))))
)))
(defun telega-autoplay-on-msg (msg)
"Automatically play contents of the message MSG.
Play in muted mode."
(when (telega-msg-observable-p msg)
;; Animate custom emojis first
(telega-autoplay-custom-emojis msg 'observable)
;; Then animate message's content itself
(when (telega-msg-match-p msg telega-autoplay-msg-temex)
(cond ((telega-msg-match-p msg
'(or (type Animation) (link-preview Animation)))
;; NOTE: special case for animations, animate only those
;; which can be animated inline, see
;; `telega-animation-play-inline'
(let ((animation
(or (telega--tl-get msg :content :animation)
(telega--tl-get msg :content :link_preview
:type :animation))))
(when (telega-animation-play-inline-p animation)
(telega-msg-open-animation msg animation))))
((telega-msg-match-p msg
'(or (type Sticker Gift) (link-preview Sticker)))
;; NOTE: special case for sticker messages, play animated
;; sticker only if `telega-sticker-animated-play' is set
(let ((sticker (or (telega--tl-get msg :content :sticker)
(telega--tl-get msg :content :gift :sticker)
(telega--tl-get msg :content :link_preview
:type :sticker))))
(when (and (not (telega-sticker-static-p sticker))
telega-sticker-animated-play)
(telega-sticker--animate sticker))))
(t
(telega-msg-open-content msg))))))
(defun telega-autoplay-on-msg--hover-out (msg)
"Handle hover leaving for the message MSG.
Cancel downloading of the corresporting file."
(when (telega-msg-match-p msg telega-autoplay-msg-temex)
(when-let ((file (telega-msg--content-file msg)))
(telega--cancelDownloadFile file))))
;;;###autoload
(define-minor-mode telega-autoplay-mode
"Automatically play animation messages."
:init-value nil :global t :group 'telega-modes
(if telega-autoplay-mode
(progn
(add-hook 'telega-chat-post-message-hook #'telega-autoplay-on-msg)
(add-hook 'telega-msg-hover-in-hook #'telega-autoplay-on-msg)
(add-hook 'telega-msg-hover-out-hook #'telega-autoplay-on-msg--hover-out))
(remove-hook 'telega-msg-hover-out-hook #'telega-autoplay-on-msg--hover-out)
(remove-hook 'telega-msg-hover-in-hook #'telega-autoplay-on-msg)
(remove-hook 'telega-chat-post-message-hook #'telega-autoplay-on-msg)))
;;; ellit-org: minor-modes
;; ** telega-squash-message-mode
;;
;; Minor mode for chatbuf to squash messages into single one while
;; nobody saw this.
;;
;; Squashing mean adding contents of the new message to the previous
;; message by editing contents of the previous message.
;;
;; New message in a chat is squashed into your previous message only
;; if all next conditions are met:
;;
;; 1. Last message in chat is sent by you
;; 2. Nobody seen your last message
;; 3. Last and new message are both text messages
;; 4. Last message can be edited
;; 5. Last and new messages are *not* replying to any message
;; 6. Last message has no associated link preview
;; 7. New message has no ~messageSendOptions~ to avoid squashing
;; scheduled messages or similar
;; 8. New message is sent within ~telega-squash-message-within-seconds~
;; seconds from last message
;; Can be enabled globally in all chats matching
;; ~telega-squash-message-mode-for~ (see below) chat filter with
;; ~(global-telega-squash-message-mode 1)~ or by adding:
;;
;; #+begin_src emacs-lisp
;; (add-hook 'telega-load-hook 'global-telega-squash-message-mode)
;; #+end_src
;;
;; Customizable options:
;;
;; - {{{user-option(telega-squash-message-mode-for, 2)}}}
;; - {{{user-option(telega-squash-message-within-seconds, 2)}}}
(defcustom telega-squash-message-mode-for
'(not (or saved-messages (type channel)))
"*Chat Temex for `global-telega-squash-message-mode'.
Global squash message mode enables message squashing only in
chats matching this chat temex."
:type 'telega-chat-temex
:group 'telega-modes)
(defcustom telega-squash-message-within-seconds 60
"Maximum number of seconds between last and new message to apply squashing.
If new message is sent later then this number of seconds, then
squashing is not applied."
:type 'integer
:group 'telega-modes)
(defvar telega-squash-message-mode-lighter
(concat " " (telega-symbol 'mode) "Squash")
"Lighter for the `telega-squash-message-mode'.")
;;;###autoload
(define-minor-mode telega-squash-message-mode
"Toggle message squashing minor mode."
:init-value nil
:lighter telega-squash-message-mode-lighter
:group 'telega-modes
(if telega-squash-message-mode
(advice-add 'telega--sendMessage
:around 'telega-squash-message--send-message)
(advice-remove 'telega--sendMessage
'telega-squash-message--send-message)))
(defun telega-squash-message-mode--maybe (&optional arg)
(when (telega-chatbuf-match-p telega-squash-message-mode-for)
(telega-squash-message-mode arg)))
;;;###autoload
(define-minor-mode global-telega-squash-message-mode
"Global mode to squashing messages."
:init-value nil :global t :group 'telega-modes
(if global-telega-squash-message-mode
(progn
(add-hook 'telega-chat-mode-hook 'telega-squash-message-mode--maybe)
(dolist (buf (telega-chat-buffers))
(with-current-buffer buf
(telega-squash-message-mode--maybe 1))))
(remove-hook 'telega-chat-mode-hook 'telega-squash-message-mode--maybe)
(dolist (buf (telega-chat-buffers))
(with-current-buffer buf
(telega-squash-message-mode -1)))))
(defun telega-squash-message--squash (chat imc reply-to-msg options)
"Return non-nil if message has been squashed."
(with-telega-chatbuf chat
(when (and telega-squash-message-mode
;; Check 3., 5. and 7.0 for new message
(not reply-to-msg)
(not options)
(eq (telega--tl-type imc) 'inputMessageText))
(let ((last-msg (plist-get chat :last_message))
(last-read-id (plist-get chat :last_read_outbox_message_id)))
(when (and last-msg
;; Checking for 1. 2. 3. 4. and 5.
(telega-msg-by-me-p last-msg)
(< last-read-id (plist-get last-msg :id))
(telega-msg-match-p last-msg
'(and (not is-reply-to-msg)
(not is-reply-to-story)
(type Text)))
;; Check for 6.
(not (telega--tl-get last-msg :content :link_preview))
;; TODO: Check for 7.0
;; Check for 8.
(< (- (telega-time-seconds)
(if (zerop (plist-get last-msg :edit_date))
(plist-get last-msg :date)
(plist-get last-msg :edit_date)))
telega-squash-message-within-seconds)
;; Last check which makes TDLib request
(telega-msg-match-p last-msg
'(message-property :can_be_edited))
)
;; Squashing IMC with `last-msg' by modifying IMC inplace
(plist-put imc :text (telega-fmt-text-desurrogate
(telega-fmt-text-concat
(telega--tl-get last-msg :content :text)
(telega-string-fmt-text "\n")
(plist-get imc :text))))
(telega--editMessageText last-msg imc)
t)))))
(defun telega-squash-message--send-message (send-msg-fun chat imc &optional reply-to-msg options &rest args)
"Advice for `telega--sendMessage' used to squash messages."
(unless (telega-squash-message--squash chat imc reply-to-msg options)
(apply send-msg-fun chat imc reply-to-msg options args)))
;;; ellit-org: minor-modes
;; ** telega-image-mode
;;
;; Major mode to view images in chatbuf. Same as ~image-mode~,
;; however has special bindings:
;;
;; - {{{where-is(telega-image-next,telega-image-mode-map)}}} ::
;; {{{fundoc(telega-image-next)}}}
;;
;; - {{{where-is(telega-image-prev,telega-image-mode-map)}}} ::
;; {{{fundoc(telega-image-prev)}}}
;;
;; To view high resolution image in chatbuf with ~telega-image-mode~
;; press {{{kbd(RET)}}} on the message with photo.
(require 'image-mode)
(declare-function telega-chat-title "telega-chat" (chat &optional no-badges))
(declare-function telega-chatbuf--next-msg "telega-chat" (msg msg-temex &optional backward))
(declare-function telega-chatbuf--goto-msg "telega-chat" (msg-id &optional highlight callback))
(defcustom telega-image-mode-mode-line-format
'(" → "
(:eval (telega-image-mode-mode-line-chat-title))
" "
(:eval (telega-image-mode-mode-line-chat-position)))
"Format for the modeline."
:type 'sexp
:group 'telega-modes)
(defvar telega-image--message nil
"Message corresponding to image currently viewed.")
(make-variable-buffer-local 'telega-image--message)
(defvar telega-image--position (cons nil nil)
"Position of the image message in the chat's history
To be displayed in the modeline.")
(make-variable-buffer-local 'telega-image--position)
(defun telega-image-mode-mode-line-chat-title ()
(substring-no-properties
(telega-chatbuf--name (telega-msg-chat telega-image--message))))
(defun telega-image-mode-mode-line-chat-position ()
(when (and (car telega-image--position)
(cdr telega-image--position))
(format "[%d/%d]"
(car telega-image--position)
(cdr telega-image--position))))
(defun telega-image-mode--update-modeline ()
(setq mode-line-buffer-identification
(list (propertized-buffer-identification "%b")
(telega-format-mode-line telega-image-mode-mode-line-format)))
(force-mode-line-update))
(defun telega-image-mode--chat-position-fetch ()
"Asynchronously fetch message's position in the chat's history."
(telega--getChatMessageCount (telega-msg-chat telega-image--message)
'(:@type "searchMessagesFilterPhoto") nil
(lambda-with-current-buffer (count)
(setcdr telega-image--position count)
(when (car telega-image--position)
(telega-image-mode--update-modeline))))
(telega--getChatMessagePosition
telega-image--message '(:@type "searchMessagesFilterPhoto")
:callback
(lambda-with-current-buffer (count)
(setcar telega-image--position count)
(when (cdr telega-image--position)
(telega-image-mode--update-modeline)))))
(defvar telega-image-mode-map
(let ((map (make-sparse-keymap)))
(set-keymap-parent map image-mode-map)
(define-key map "n" 'telega-image-next)
(define-key map "p" 'telega-image-prev)
(define-key map "q" 'telega-image-quit)
map))
(define-derived-mode telega-image-mode image-mode nil
"Major mode to view images from chat buffer."
(setq mode-name
(concat (telega-symbol 'mode) "Image"
(when image-type (format "[%s]" image-type))))
)
(defun telega-image-mode-p (buffer-name &rest _unused)
"Return non-nil if buffer named BUFFER-NAME has `telega-image-mode' major-mode.
Could be used as condition function in `display-buffer-alist'."
(with-current-buffer buffer-name
(eq major-mode 'telega-image-mode)))
(defun telega-image-view-file (tl-file &optional for-msg)
"View image in telegram TL-FILE from message FOR-MSG."
(cl-assert (telega-file--downloaded-p tl-file))
;; NOTE: Use `pop-to-buffer' so `display-buffer-alist' is considered
;; when showing the image
(pop-to-buffer-same-window
(with-current-buffer (find-file-noselect
(telega--tl-get tl-file :local :path) nil t)
(telega-image-mode)
(setq telega-image--message for-msg)
(telega-image-mode--update-modeline)
;; NOTE: fetch chat position only for "Photo" messages, to avoid
;; 400 errors
(when (and for-msg (telega-msg-match-p for-msg '(type Photo)))
(telega-image-mode--chat-position-fetch))
(current-buffer))))
(defun telega-image-view-msg (image-msg)
"View image associated with the IMAGE-MSG message."
;; Download highres photo
(let* ((photo (telega--tl-get image-msg :content :photo))
(hr (telega-photo--highres photo))
(hr-file (telega-file--renew hr :photo))
(oldbuffer (current-buffer)))
;; Jump to corresponding message in the chatbuf
(with-telega-chatbuf (telega-msg-chat image-msg)
;; (telega-msg-goto image-msg)))
(telega-chatbuf--history-state-set
:newer-freezed (list :at-msg image-msg)))
(telega-file--download hr-file
:priority 32
:update-callback
(lambda (tl-file)
;; Show downloading progress in modeline
(let ((progress (telega-file--downloading-progress tl-file)))
(message "telega: %s%d%%" (telega-i18n "telega_loading")
(* progress 100)))
;; TL-FILE Downloaded
(when (telega-file--downloaded-p tl-file)
(message "")
(telega-image-view-file tl-file image-msg)
(ignore-errors
(kill-buffer oldbuffer)))))))
(defun telega-image-next (&optional backward)
"Show next image in chat."
(interactive "P")
(unless telega-image--message
(user-error "No telega message associated with the image"))
(if-let ((next-image-msg (telega-chatbuf--next-msg telega-image--message
'(type Photo) backward)))
(telega-image-view-msg next-image-msg)
;; `next-image-msg' is nil (not found)
;; Need to fetch older/newer messages from the chat's history
(message "telega: %s" (telega-i18n "telega_loading"))
(let ((chat (telega-msg-chat telega-image--message))
(img-msg telega-image--message)
(img-buffer (current-buffer)))
(telega--searchChatMessages chat
'(:@type "searchMessagesFilterPhoto")
(plist-get telega-image--message :id)
(if backward 0 -2)
:limit 3
:callback
(lambda (reply)
(let ((found-messages (append (plist-get reply :messages) nil)))
(if (or (telega--tl-error-p reply)
(null found-messages)
(telega-msg-id= img-msg (car found-messages)))
(message "telega: No %s image in the %s"
(if backward "previous" "next")
(telega-ins--as-string
(telega-ins--msg-sender chat
:with-avatar-p t
:with-username-p t
:with-brackets-p t)))
;; Found a message
(message "")
(when (buffer-live-p img-buffer)
(with-current-buffer img-buffer
(telega-image-view-msg (car found-messages))))
)))
))))
(defun telega-image-prev ()
"Show previous image in chat."
(interactive)
(telega-image-next 'previous))
(defun telega-image-quit ()
"Kill image buffer and its window."
(interactive)
(quit-window 'kill))
;;; ellit-org: minor-modes
;; ** telega-edit-file-mode
;;
;; {{{fundoc1(telega-edit-file-mode)}}}
;; In this mode {{{kbd(C-x C-s)}}} will save file to Telegram cloud.
;; To enable ~telega-edit-file-mode~ for files opened from message
;; with {{{kbd(RET)}}}, use:
;;
;; #+BEGIN_SRC emacs-lisp
;; (add-hook 'telega-open-file-hook 'telega-edit-file-mode)
;; #+END_SRC
;;
;; While editing file press
;; {{{where-is(telega-edit-file-goto-message,telega-edit-file-mode-map)}}}
;; to go back to the file's message.
;;
;; To switch between files opened from =telega= use
;; {{{where-is(telega-edit-file-switch-buffer,telega-prefix-map)}}}
;; binding from the [[#telega-prefix-map][Telega prefix map]].
;;
;; To distinguish files opened from =telega= with ordinary files
;; suffix is added to the buffer name. You can modify this suffix
;; using user option:
;;
;; - {{{user-option(telega-edit-file-buffer-name-function, 2)}}}
(declare-function telega-chatbuf--gen-input-file "telega-chat" (filename &optional file-type preview-p upload-callback))
(defcustom telega-edit-file-buffer-name-function 'telega-edit-file-buffer-name
"Function to return buffer name when `telega-edit-file-mode' is enabled.
Function is called without arguments and should return a buffer name string.
Inside a function you can use `telega-edit-file-message<f>' to
get message associated with the file."
:package-version '(telega . "0.7.59")
:type 'function
:group 'telega-modes)
(defvar telega-edit-file-mode-map
(let ((map (make-sparse-keymap)))
(define-key map [remap save-buffer] 'telega-edit-file-save-buffer)
(define-key map (kbd "M-g t") 'telega-edit-file-goto-message)
(define-key map [menu-bar goto-message]
'("Goto Telegram Message" . telega-edit-file-goto-message))
(define-key map [menu-bar turn-off]
'("Turn off minor mode" . telega-edit-file-mode))
map))
(defun telega-edit-file-message ()
"Return message for the currently edited file with `telega-edit-file-mode'."
(cl-assert telega-edit-file-mode)
telega--help-win-param)
(defun telega-edit-file-buffer-name ()
"Return buffer name for a file edited with `telega-edit-file-mode'."
(concat (buffer-name) (telega-symbol 'mode)
(telega-chatbuf--name
(telega-msg-chat (telega-edit-file-message)))))
(defvar telega-edit-file-mode-lighter
(concat " " (telega-symbol 'mode) "Edit")
"Lighter for the `telega-edit-file-mode'.")
;;;###autoload
(define-minor-mode telega-edit-file-mode
"Minor mode to edit files from Telegram messages.
Can be enabled only for content from editable messages."
:lighter telega-edit-file-mode-lighter
:map 'telega-edit-file-mode-map
(if telega-edit-file-mode
(let ((msg telega--help-win-param))
(if (or (not (telega-msg-p msg)
(not (telega-msg-match-p msg
'(message-property :can_be_edited)))))
(progn
;; No message or message can't be edited
(telega-edit-file-mode -1)
(read-only-mode 1)
(message (concat "telega: File opened in read-only-mode "
"since message is read only")))
;; Apply buffer name modification to distinguish files
;; opened from telega with ordinary files. Apply
;; `telega-edit-file-buffer-name-function' only once, by
;; marking buffer name with special text property
(when telega-edit-file-buffer-name-function
(let ((old-bufname (buffer-name))