From 25c10a3b29fce03e64fcae3e2c470305f1202987 Mon Sep 17 00:00:00 2001
From: ueno <ueno>
Date: Fri, 26 May 2006 22:14:57 +0000
Subject: [PATCH] * epa.el (epa-popup-info-window): Disable by default.
 (epa-display-verify-result): Don't use
 with-output-to-temp-buffer. (epa-info-mode): New function.

---
 ChangeLog |    1 -
 epa.el    |   72 +++++++++++++++++++++++++++++++++++--------------------------
 2 files changed, 41 insertions(+), 32 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 181cdfe..13e3c91 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -4,7 +4,6 @@
 	disable inhibit-quit here; make text-properties nonsticky.
 	(epa-popup-info-window): New user option.
 	(epa-info-window-height): New user option.
-	(epa--temp-buffer-show-function): New function.
 	(epa-display-verify-result): New function.
 	(epa-decrypt-file): Use it.
 	(epa-verify-file): Use it.
diff --git a/epa.el b/epa.el
index 7e862cb..4269254 100644
--- a/epa.el
+++ b/epa.el
@@ -42,7 +42,7 @@
   :type 'boolean
   :group 'epa)
 
-(defcustom epa-popup-info-window t
+(defcustom epa-popup-info-window nil
   "If non-nil, status information from epa commands is displayed on
 the separate window."
   :type 'boolean
@@ -165,6 +165,7 @@ the separate window."
 (defvar epa-key-buffer-alist nil)
 (defvar epa-key nil)
 (defvar epa-list-keys-arguments nil)
+(defvar epa-info-buffer nil)
 
 (defvar epa-keys-mode-map
   (let ((keymap (make-sparse-keymap)))
@@ -186,6 +187,16 @@ the separate window."
     (define-key keymap "q" 'epa-exit-buffer)
     keymap))
 
+(defvar epa-key-mode-map
+  (let ((keymap (make-sparse-keymap)))
+    (define-key keymap "q" 'bury-buffer)
+    keymap))
+
+(defvar epa-info-mode-map
+  (let ((keymap (make-sparse-keymap)))
+    (define-key keymap "q" 'delete-window)
+    keymap))
+
 (defvar epa-exit-buffer-function #'bury-buffer)
 
 (define-widget 'epa-key 'push-button
@@ -226,31 +237,6 @@ the separate window."
 	  (epg-sub-key-id (car (epg-key-sub-key-list
 				(widget-get widget :value))))))
 
-(defun epa--temp-buffer-show-function (buffer)
-  (save-selected-window
-    (let ((window (or (get-buffer-window buffer)
-		      (progn
-			(select-window (get-largest-window))
-			(split-window-vertically)))))
-      (set-window-buffer window buffer)
-      (if window
-	  (select-window window))
-      (unless (pos-visible-in-window-p (point-max))
-	(enlarge-window (- epa-info-window-height (window-height))))
-      (let ((height (window-height)))
-	(if (> height epa-info-window-height)
-	    (shrink-window (- height epa-info-window-height)))
-	(set-window-start window (point-min))))))
-
-(defun epa-display-verify-result (verify-result)
-  (if epa-popup-info-window
-      (let ((temp-buffer-show-function #'epa--temp-buffer-show-function))
-	(with-output-to-temp-buffer "*Info*"
-	  (save-excursion
-	    (set-buffer standard-output)
-	    (insert (epg-verify-result-to-string verify-result)))))
-    (message "%s" (epg-verify-result-to-string verify-result))))
-
 (defun epa-keys-mode ()
   "Major mode for `epa-list-keys'."
   (kill-all-local-variables)
@@ -270,11 +256,6 @@ the separate window."
   (make-local-variable 'epa-exit-buffer-function)
   (run-hooks 'epa-keys-mode-hook))
 
-(defvar epa-key-mode-map
-  (let ((keymap (make-sparse-keymap)))
-    (define-key keymap "q" 'bury-buffer)
-    keymap))
-
 (defun epa-key-mode ()
   "Major mode for `epa-show-key'."
   (kill-all-local-variables)
@@ -515,6 +496,35 @@ If ARG is non-nil, mark the current line."
   (interactive)
   (funcall epa-exit-buffer-function))
 
+(defun epa-display-verify-result (verify-result)
+  (if epa-popup-info-window
+      (progn
+	(unless epa-info-buffer
+	  (setq epa-info-buffer (generate-new-buffer "*Info*")))
+	(save-excursion
+	  (set-buffer epa-info-buffer)
+	  (let ((inhibit-read-only t)
+		buffer-read-only)
+	    (erase-buffer)
+	    (insert (epg-verify-result-to-string verify-result)))
+	  (epa-info-mode))
+	(pop-to-buffer epa-info-buffer)
+	(if (> (window-height) epa-info-window-height)
+	    (shrink-window (- (window-height) epa-info-window-height)))
+	(goto-char (point-min)))
+    (message "%s" (epg-verify-result-to-string verify-result))))
+
+(defun epa-info-mode ()
+  "Major mode for `epa-info-buffer'."
+  (kill-all-local-variables)
+  (buffer-disable-undo)
+  (setq major-mode 'epa-info-mode
+	mode-name "Info"
+	truncate-lines t
+	buffer-read-only t)
+  (use-local-map epa-info-mode-map)
+  (run-hooks 'epa-info-mode-hook))
+
 ;;;###autoload
 (defun epa-decrypt-file (file)
   "Decrypt FILE."
-- 
1.7.10.4