GNU bug report logs - #13000
24.2.90; underwave doesn't look as good as other IDEs

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From: Juri Linkov <juri <at> jurta.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: sdl.web <at> gmail.com, 13000 <at> debbugs.gnu.org
Subject: bug#13000: 24.2.90; underwave doesn't look as good as other IDEs
Date: Sat, 29 Dec 2012 23:54:30 +0200

>> The already supported condition ((supports :underline t))
>> doesn't take into account the underwave attribute,
>> and a similar condition ((supports :underline wave))
>> is not implemented.
>
> Implementing the missing condition should be easy.

Yes, pretty easy:

=== modified file 'src/xfaces.c'
--- src/xfaces.c	2012-11-16 17:20:23 +0000
+++ src/xfaces.c	2012-12-29 21:50:36 +0000
@@ -4877,6 +4877,8 @@ tty_supports_face_attributes_p (struct frame *f,
     {
       if (STRINGP (val))
 	return 0;		/* ttys can't use colored underlines */
+      else if (EQ (CAR_SAFE (val), QCstyle) && EQ (CAR_SAFE (CDR_SAFE (val)), Qwave))
+	return 0;		/* ttys can't use wave underlines */
       else if (face_attr_equal_p (val, def_attrs[LFACE_UNDERLINE_INDEX]))
 	return 0;		/* same as default */
       else


Then its support could checked with ((supports :underline (:style wave)))

=== modified file 'lisp/progmodes/flymake.el'
--- lisp/progmodes/flymake.el	2012-11-12 08:42:27 +0000
+++ lisp/progmodes/flymake.el	2012-12-29 21:54:08 +0000
@@ -844,12 +844,18 @@ (defun flymake-region-has-flymake-overla
     has-flymake-overlays))
 
 (defface flymake-errline
-  '((t :inherit error))
+  '((((supports :underline (:style wave)))
+     :underline (:style wave :color "Red1"))
+    (t
+     :inherit error))
   "Face used for marking error lines."
   :group 'flymake)
 
 (defface flymake-warnline
-  '((t :inherit warning))
+  '((((supports :underline (:style wave)))
+     :underline (:style wave :color "DarkOrange"))
+    (t
+     :inherit warning))
   "Face used for marking warning lines."
   :group 'flymake)
 

=== modified file 'lisp/textmodes/flyspell.el'
--- lisp/textmodes/flyspell.el	2012-09-17 05:41:04 +0000
+++ lisp/textmodes/flyspell.el	2012-12-29 21:54:14 +0000
@@ -445,11 +445,19 @@ (make-variable-buffer-local 'flyspell-da
 ;;*---------------------------------------------------------------------*/
 ;;*    Highlighting                                                     */
 ;;*---------------------------------------------------------------------*/
-(defface flyspell-incorrect '((t :underline t :inherit error))
+(defface flyspell-incorrect
+  '((((supports :underline (:style wave)))
+     :underline (:style wave :color "Red1"))
+    (t
+     :underline t :inherit error))
   "Flyspell face for misspelled words."
   :group 'flyspell)
 
-(defface flyspell-duplicate '((t :underline t :inherit warning))
+(defface flyspell-duplicate
+  '((((supports :underline (:style wave)))
+     :underline (:style wave :color "DarkOrange"))
+    (t
+     :underline t :inherit warning))
   "Flyspell face for words that appear twice in a row.
 See also `flyspell-duplicate-distance'."
   :group 'flyspell)

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