From 1385e63e99ae46a32aeb1bb15895ee634dd5f7ec Mon Sep 17 00:00:00 2001
From: jao <jao@gnu.org>
Date: Wed, 4 Mar 2020 22:59:26 +0000
Subject: signel faces

---
 net/signel.org | 80 +++++++++++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 62 insertions(+), 18 deletions(-)

(limited to 'net')

diff --git a/net/signel.org b/net/signel.org
index 9d70d65..bbf74d7 100644
--- a/net/signel.org
+++ b/net/signel.org
@@ -319,9 +319,54 @@ named ~signel-user~ that is set /after/ enabling ~signel-chat-mode~: order
 here matters because the major mode activation cleans up the values of
 any local variables previously set (i always forget that!).
 
-We have now all the ingredients to write ~signel--update-chat-buffer~,
-the function that inserts the received message data into the chat
-buffer:
+We have now almost all the ingredients to write
+~signel--update-chat-buffer~, the function that inserts the received
+message data into the chat buffer.  We'll just need a couple of new
+faces for the different parts of inserted messages:
+
+#+begin_src emacs-lisp
+(defgroup signel nil "Signel")
+
+(defface signel-contact-face '((t :weight bold))
+  "Face for contact names."
+  :group 'signel)
+
+(defface signel-timestamp-face '((t :foreground "grey70"))
+  "Face for timestamp names."
+  :group 'signel)
+
+(defface signel-notice-face '((t :inherit signel-timestamp-face))
+  "Face for delivery notices."
+  :group 'signel)
+
+(defface signel-prompt-face '((t :weight bold))
+  "Face for the input prompt marker."
+  :group 'signel)
+
+(defface signel-notification-face '((t :foreground "burlywood"))
+  "Face for notifications shown by tracking, when available."
+  :group 'signel)
+
+#+end_src
+
+and let's be tidy and define little functions to format those parts:
+
+#+begin_src emacs-lisp
+(defun signel--contact (name)
+  (propertize name 'face 'signel-contact-face))
+
+(defun signel--timestamp (&rest p)
+  (propertize (apply #'concat p) 'face 'signel-timestamp-face))
+
+(defun signel--notice (notice)
+  (propertize notice 'face 'signel-notice-face))
+
+(defun signel--prompt ()
+  (propertize signel-prompt 'face 'signel-prompt-face))
+#+end_src
+
+With that, we're finally ready to insert messages in our signel chat
+buffers:
 
 #+begin_src emacs-lisp
 (defun signel--update-chat-buffer (source data stamp rec-stamp msg)
@@ -332,9 +377,9 @@ buffer:
       (ignore-errors (kill-line))
       (if data
           (let ((p (point)))
-            (insert "[" stamp "] "
-                    (signel--contact-name source)
-                    signel-prompt
+            (insert (signel--timestamp "[" stamp "] ")
+                    (signel--contact (signel--contact-name source))
+                    (signel--prompt)
                     data
                     "\n")
             (fill-region p (point)))
@@ -342,20 +387,19 @@ buffer:
                                (signel--msg-is-receipt msg)))
               (is-read (signel--msg-is-read msg)))
           (when (or rec-stamp stamp)
-            (insert "*" (or rec-stamp stamp) "* "
-                    (if is-read "(read)" "(delivered)")
+            (insert (signel--timestamp "*" (or rec-stamp stamp) "* ")
+                    (signel--notice (if is-read "(read)" "(delivered)"))
                     "\n"))))
-      (insert signel-prompt))
+      (insert (signel--prompt)))
     (when (fboundp 'tracking-add-buffer)
-      (tracking-add-buffer b '(erc-pal-face)))))
+      (tracking-add-buffer b '(signel-notification-face)))))
 #+end_src
 
-There are several rough edges in the above implementation that must
-be polished shold signel ever be released in the wild.  For one,
-proper handling of timestamps and their formats, and some font lock
-for the different parts of the inserted texts.  And of course
-notifications should be much more customizable (here i'm using
-[[https://github.com/jorgenschaefer/circe/blob/master/tracking.el][Circe's tracking.el]] if available).
+There are some rough edges in the above implementation that must be
+polished shold signel ever be released in the wild.  For one, proper
+handling of timestamps and their formats.  And of course notifications
+should be much more customizable (here i'm using [[https://github.com/jorgenschaefer/circe/blob/master/tracking.el][Circe's tracking.el]]
+if available).
 
 * The DBUS interface
 
@@ -410,10 +454,10 @@ when the buffer was created."
   (let* ((p (point))
          (msg (buffer-substring (+ p (length signel-prompt)) (point-max))))
     (signel--send-message signel-user msg)
-    (insert (format-time-string "(%H:%M) "))
+    (insert (signel--timestamp (format-time-string "(%H:%M) ")))
     (fill-region p (point-max))
     (goto-char (point-max))
-    (insert "\n" signel-prompt)))
+    (insert "\n" (signel--prompt))))
 #+end_src
 
 and we can bind it to the return key in signal chat buffers:
-- 
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