From 7778781072f91c4603b4e0516c64ff3a5c76c298 Mon Sep 17 00:00:00 2001
From: Daniel Pfeiffer <occitan@esperanto.org>
Date: Sat, 17 Jul 2004 08:10:28 +0000
Subject: [PATCH] (which-func-keymap): New var. (which-func-face): New face.
 (which-func-format): Use them.

---
 lisp/ChangeLog               |  6 ++++++
 lisp/progmodes/which-func.el | 28 +++++++++++++++++++++++++++-
 2 files changed, 33 insertions(+), 1 deletion(-)

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 6b2d3eb4145..c45bd6987b9 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,9 @@
+2004-07-14  Daniel Pfeiffer  <occitan@esperanto.org>
+
+	* progmodes/which-func.el (which-func-keymap): New var.
+	(which-func-face): New face.
+	(which-func-format): Use them.
+
 2004-07-16  Stephan Stahl  <stahl@eos.franken.de>  (tiny change)
 
 	* buff-menu.el (list-buffers-noselect): Append the buffer's
diff --git a/lisp/progmodes/which-func.el b/lisp/progmodes/which-func.el
index fef159d850f..87df0769314 100644
--- a/lisp/progmodes/which-func.el
+++ b/lisp/progmodes/which-func.el
@@ -99,7 +99,33 @@ Zero means compute the Imenu menu regardless of size."
   :group 'which-func
   :type 'integer)
 
-(defcustom which-func-format '("[" which-func-current "]")
+(defvar which-func-keymap
+  (let ((map (make-sparse-keymap)))
+    (define-key map [mode-line mouse-1] 'beginning-of-defun)
+    (define-key map [mode-line mouse-2]
+      (lambda ()
+	(interactive)
+	(if (eq (point-min) 1)
+	    (narrow-to-defun)
+	  (widen))))
+    (define-key map [mode-line mouse-3] 'end-of-defun)
+    map)
+  "Keymap to display on mode line which-func.")
+
+(defface which-func-face
+  '((t (:inherit font-lock-function-name-face)))
+  "Face used to highlight mode line function names.
+Defaults to `font-lock-function-name-face' if font-lock is loaded."
+  :group 'which-func)
+
+(defcustom which-func-format
+  `("["
+    (:propertize which-func-current
+		 local-map ,which-func-keymap
+		 face which-func-face
+		 ;;mouse-face highlight	; currently not evaluated :-(
+		 help-echo "mouse-1: go to beginning, mouse-2: toggle rest visibility, mouse-3: go to end")
+    "]")
   "Format for displaying the function in the mode line."
   :group 'which-func
   :type 'sexp)
-- 
2.39.2