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[Emacs-diffs] emacs-26 305aca0: Backport: Handle unread-command-events c
From: |
Dmitry Gutov |
Subject: |
[Emacs-diffs] emacs-26 305aca0: Backport: Handle unread-command-events consistently (bug#23980) |
Date: |
Wed, 19 Dec 2018 11:07:20 -0500 (EST) |
branch: emacs-26
commit 305aca0a0abbac1011980e6ac9b166bd0dfd6ff0
Author: Chris Feng <address@hidden>
Commit: Dmitry Gutov <address@hidden>
Backport: Handle unread-command-events consistently (bug#23980)
* src/keyboard.c (read_char): Events put into `unread-command-events'
with the form (t . EVENT) should always have the t stripped when read
out.
* test/src/keyboard-tests.el: New tests for `unread-command-events'.
(cherry picked from commit 1f3f4b1296613b8cdc0632a68fde86e86ddad866)
---
src/keyboard.c | 3 +++
test/src/keyboard-tests.el | 34 ++++++++++++++++++++++++++++++++++
2 files changed, 37 insertions(+)
diff --git a/src/keyboard.c b/src/keyboard.c
index dccc6b7..d20557b 100644
--- a/src/keyboard.c
+++ b/src/keyboard.c
@@ -2809,6 +2809,9 @@ read_char (int commandflag, Lisp_Object map,
if (EQ (c, make_number (-2)))
return c;
+
+ if (CONSP (c) && EQ (XCAR (c), Qt))
+ c = XCDR (c);
}
non_reread:
diff --git a/test/src/keyboard-tests.el b/test/src/keyboard-tests.el
new file mode 100644
index 0000000..d2063a3
--- /dev/null
+++ b/test/src/keyboard-tests.el
@@ -0,0 +1,34 @@
+;;; keyboard-tests.el --- Tests for keyboard.c -*- lexical-binding: t -*-
+
+;; Copyright 2017 Free Software Foundation, Inc.
+
+;; This program is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+;;; Code:
+
+(require 'ert)
+
+(ert-deftest keyboard-unread-command-events ()
+ "Test `unread-command-events'."
+ (should (equal (progn (push ?\C-a unread-command-events)
+ (read-event nil nil 1))
+ ?\C-a))
+ (should (equal (progn (run-with-timer
+ 1 nil
+ (lambda () (push '(t . ?\C-b) unread-command-events)))
+ (read-event nil nil 2))
+ ?\C-b)))
+
+(provide 'keyboard-tests)
+;;; keyboard-tests.el ends here
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