[gnus git] branch master updated: m0-9-39-g8da1336 =1= gnus.el, gnus-xmas.el (gnus-copy-overlay, gnus-overlays-at): New functions

       via  8da1336efbd60db3a837c2dd77c91bc6f1116661 (commit)
      from  b45612408e0c9e5b3fdce2308feebc7c288241a8 (commit)


- Log -----------------------------------------------------------------
commit 8da1336efbd60db3a837c2dd77c91bc6f1116661
Author: Katsumi Yamaoka <[email protected]>
Date:   Wed Feb 5 10:29:58 2014 +0000

    gnus.el, gnus-xmas.el (gnus-copy-overlay, gnus-overlays-at): New functions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index f933f75..15f9f77 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,5 +1,8 @@
 2014-02-05  Katsumi Yamaoka  <[email protected]>
 
+	* gnus.el, gnus-xmas.el (gnus-copy-overlay, gnus-overlays-at):
+	New functions.
+
 	* gnus-art.el (gnus-mime-display-attachment-buttons-in-header):
 	New user option.
 	(gnus-mime-buttonize-attachments-in-header): New function.
diff --git a/lisp/gnus-art.el b/lisp/gnus-art.el
index 50cd60c..87e37f7 100644
--- a/lisp/gnus-art.el
+++ b/lisp/gnus-art.el
@@ -6254,7 +6254,8 @@ in the body.  Use `gnus-header-face-alist' to highlight buttons."
 		  (goto-char nd)
 		  (skip-chars-backward "\t\n ")
 		  (when (> (point) st)
-		    (push (cons (buffer-substring st (point)) (overlays-at st))
+		    (push (cons (buffer-substring st (point))
+				(gnus-overlays-at st))
 			  buttons)))
 		(setq st nd))
 	      (when buttons
@@ -6276,19 +6277,19 @@ in the body.  Use `gnus-header-face-alist' to highlight buttons."
 		   st nd 'gnus-part
 		   (number-to-string (get-text-property st 'gnus-part)))
 		  (dolist (ovl (cdr button))
-		    (setq ovl (copy-overlay ovl))
+		    (setq ovl (gnus-copy-overlay ovl))
 		    (when (setq marker
-				(plist-get (cdr (overlay-get ovl 'button))
+				(plist-get (cdr (gnus-overlay-get ovl 'button))
 					   :from))
 		      (set-marker marker st))
 		    (when (setq marker
-				(plist-get (cdr (overlay-get ovl 'button))
+				(plist-get (cdr (gnus-overlay-get ovl 'button))
 					   :to))
 		      (set-marker marker nd))
-		    (move-overlay ovl st nd)
+		    (gnus-move-overlay ovl st nd)
 		    (setq st nd)
-		    (overlay-put ovl 'gnus-button-attachment-extra t)
-		    (overlay-put ovl 'face nil)))
+		    (gnus-overlay-put ovl 'gnus-button-attachment-extra t)
+		    (gnus-overlay-put ovl 'face nil)))
 		(insert "\n")
 		(let ((gnus-treatment-function-alist
 		       '((gnus-treat-highlight-headers
diff --git a/lisp/gnus-xmas.el b/lisp/gnus-xmas.el
index 94400cc..839b857 100644
--- a/lisp/gnus-xmas.el
+++ b/lisp/gnus-xmas.el
@@ -211,6 +211,10 @@ call it with the value of the `gnus-data' text property."
 		 (delete-extent extent)
 		 nil)))
 
+(defun gnus-xmas-overlays-at (pos)
+  "Return a list of the extents that contain the character at POS."
+  (mapcar-extents #'identity nil nil pos (1+ pos)))
+
 (defun gnus-xmas-overlays-in (beg end)
   "Return a list of the extents that overlap the region BEG ... END."
   (mapcar-extents #'identity nil nil beg end))
@@ -399,6 +403,7 @@ then we display only bindings that start with that prefix."
 FRONT-ADVANCE and REAR-ADVANCE are ignored."
       (make-extent beg end buffer)))
 
+  (defalias 'gnus-copy-overlay 'copy-extent)
   (defalias 'gnus-delete-overlay 'delete-extent)
   (defalias 'gnus-overlay-get 'extent-property)
   (defalias 'gnus-overlay-put 'set-extent-property)
@@ -406,6 +411,7 @@ FRONT-ADVANCE and REAR-ADVANCE are ignored."
   (defalias 'gnus-overlay-buffer 'extent-object)
   (defalias 'gnus-overlay-start 'extent-start-position)
   (defalias 'gnus-overlay-end 'extent-end-position)
+  (defalias 'gnus-overlays-at 'gnus-xmas-overlays-at)
   (defalias 'gnus-overlays-in 'gnus-xmas-overlays-in)
   (defalias 'gnus-kill-all-overlays 'gnus-xmas-kill-all-overlays)
   (defalias 'gnus-extent-detached-p 'extent-detached-p)
diff --git a/lisp/gnus.el b/lisp/gnus.el
index ab48361..bf39dcf 100644
--- a/lisp/gnus.el
+++ b/lisp/gnus.el
@@ -305,6 +305,7 @@ be set in `.emacs' instead."
 
 (unless (featurep 'gnus-xmas)
   (defalias 'gnus-make-overlay 'make-overlay)
+  (defalias 'gnus-copy-overlay 'copy-overlay)
   (defalias 'gnus-delete-overlay 'delete-overlay)
   (defalias 'gnus-overlay-get 'overlay-get)
   (defalias 'gnus-overlay-put 'overlay-put)
@@ -312,6 +313,7 @@ be set in `.emacs' instead."
   (defalias 'gnus-overlay-buffer 'overlay-buffer)
   (defalias 'gnus-overlay-start 'overlay-start)
   (defalias 'gnus-overlay-end 'overlay-end)
+  (defalias 'gnus-overlays-at 'overlays-at)
   (defalias 'gnus-overlays-in 'overlays-in)
   (defalias 'gnus-extent-detached-p 'ignore)
   (defalias 'gnus-extent-start-open 'ignore)

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Summary of changes:
 lisp/ChangeLog    |    3 +++
 lisp/gnus-art.el  |   15 ++++++++-------
 lisp/gnus-xmas.el |    6 ++++++
 lisp/gnus.el      |    2 ++
 4 files changed, 19 insertions(+), 7 deletions(-)

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