From: Mauro Aranda <maurooaranda@gmail.com>
To: Thomas Fitzsimmons <fitzsim@fitzsim.org>, 63290@debbugs.gnu.org
Subject: bug#63290: 30.0.50; Customize UI shows extra fields for (choice (const ...) (alist ...))
Date: Wed, 9 Aug 2023 09:19:37 -0300 [thread overview]
Message-ID: <c801df02-7018-dd3d-d0ab-1ee73987bbac@gmail.com> (raw)
In-Reply-To: <136334d9-262d-e290-cff3-159c2f827b87@gmail.com>
[-- Attachment #1: Type: text/plain, Size: 289 bytes --]
tags 63290 patch
quit
I ended up adding a custom :default-get function for the list widget, to
make it respect a nil value as the :value. This should be backward
compatible with other widgets, and should fix these "ghost" elements
insertions.
I also added a test for cus-edit-tests.
[-- Attachment #2: 0001-Respect-the-value-property-in-a-list-widget-Bug-6329.patch --]
[-- Type: text/x-patch, Size: 2838 bytes --]
From e64f9c55e1a1e57de3783fbbac1bf239ac30babb Mon Sep 17 00:00:00 2001
From: Mauro Aranda <maurooaranda@gmail.com>
Date: Wed, 9 Aug 2023 09:17:43 -0300
Subject: [PATCH] Respect the :value property in a list widget (Bug#63290)
* lisp/wid-edit.el (widget-list-default-get): New function.
* test/lisp/cus-edit-tests.el (cus-edit-test-bug-63290-option): New
test option.
(cus-edit-test-bug63290): New test.
---
lisp/wid-edit.el | 11 +++++++++++
test/lisp/cus-edit-tests.el | 24 ++++++++++++++++++++++++
2 files changed, 35 insertions(+)
diff --git a/lisp/wid-edit.el b/lisp/wid-edit.el
index 47531113ba8..c604225f10a 100644
--- a/lisp/wid-edit.el
+++ b/lisp/wid-edit.el
@@ -3812,8 +3812,19 @@ widget-character-notify
(define-widget 'list 'group
"A Lisp list."
:tag "List"
+ :default-get #'widget-list-default-get
:format "%{%t%}:\n%v")
+(defun widget-list-default-get (widget)
+ "Return the default external value for a list WIDGET.
+
+The default value is the one stored in the :value property, even if it is nil,
+or a list with the default value of each component of the list WIDGET."
+ (widget-apply widget :value-to-external
+ (if (widget-member widget :value)
+ (widget-get widget :value)
+ (widget-group-default-get widget))))
+
(define-widget 'vector 'group
"A Lisp vector."
:tag "Vector"
diff --git a/test/lisp/cus-edit-tests.el b/test/lisp/cus-edit-tests.el
index eca35d7c96a..75d5f32c421 100644
--- a/test/lisp/cus-edit-tests.el
+++ b/test/lisp/cus-edit-tests.el
@@ -92,5 +92,29 @@ test-setopt
(buffer-substring-no-properties (point-min) (point-max)))))
(should (string-search "Value `:foo' does not match type number"
warn-txt))))
+
+(defcustom cus-edit-test-bug63290-option nil
+ "Choice option for testing Bug#63290."
+ :type '(choice (alist
+ :key-type (string :tag "key")
+ :value-type (string :tag "value"))
+ (const :tag "auto" auto)))
+
+(ert-deftest cus-edit-test-bug63290 ()
+ "Test that changing a choice value back to an alist respects its nil value."
+ (customize-variable 'cus-edit-test-bug63290-option)
+ (search-forward "Value")
+ ;; Simulate changing the value.
+ (let* ((choice (widget-at))
+ (args (widget-get choice :args))
+ (list-opt (car (widget-get choice :children)))
+ (const-opt (nth 1 args)))
+ (widget-put choice :explicit-choice const-opt)
+ (widget-value-set choice (widget-default-get const-opt))
+ (widget-put choice :explicit-choice list-opt)
+ (widget-value-set choice (widget-default-get list-opt)))
+ ;; No empty key/value pairs should show up.
+ (should-not (search-forward "key" nil t)))
+
(provide 'cus-edit-tests)
;;; cus-edit-tests.el ends here
--
2.34.1
next prev parent reply other threads:[~2023-08-09 12:19 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-05 6:02 bug#63290: 30.0.50; Customize UI shows extra fields for (choice (const ...) (alist ...)) Thomas Fitzsimmons
2023-07-16 13:15 ` Mauro Aranda
2023-07-17 2:37 ` Thomas Fitzsimmons
2023-08-09 12:19 ` Mauro Aranda [this message]
2023-08-09 12:53 ` Eli Zaretskii
2023-08-09 15:51 ` Thomas Fitzsimmons
2023-08-09 15:56 ` Mauro Aranda
2023-08-09 18:03 ` Mauro Aranda
2023-08-10 22:58 ` Mauro Aranda
2023-08-11 13:29 ` Thomas Fitzsimmons
2023-08-15 22:46 ` Mauro Aranda
2023-08-16 15:16 ` Thomas Fitzsimmons
2023-08-19 8:34 ` Eli Zaretskii
2023-08-21 12:23 ` Mattias Engdegård
2023-08-21 14:43 ` Mauro Aranda
2023-08-21 15:24 ` Mattias Engdegård
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