Re: [BUG] org-beamer :BEAMER_ACT: ignored on columns

["Fraga, Eric" <e.fraga@ucl.ac.uk>]

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On Wednesday,  5 Oct 2022 at 06:38, reza wrote:
> But the overlay specification is missing on the second column and I
> guess this is a bug?

Maybe a bug or more simply a missing feature.  On line 552 of
ox-beamer.el, we add options but there is no equivalent for adding
actions to the column definition.

The attached patch adds action processing but I've only tested it
minimally (busy with teaching unfortunately).

-- 
: Eric S Fraga, with org release_9.5.5-851-ge9781f in Emacs 29.0.50

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From 6668760b3be48610dddb03f20c5291760c11b8bf Mon Sep 17 00:00:00 2001
From: Eric S Fraga <e.fraga@ucl.ac.uk>
Date: Wed, 5 Oct 2022 09:15:05 +0100
Subject: [PATCH] lisp/ox-beamer.el: Add BEAMER_ACT to column definition

* ox-beamer.el (org-beamer--format-block): Process BEAMER_ACT if given
for column block.
---
 lisp/ox-beamer.el | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/lisp/ox-beamer.el b/lisp/ox-beamer.el
index 51684448d..1d84aae6e 100644
--- a/lisp/ox-beamer.el
+++ b/lisp/ox-beamer.el
@@ -512,6 +512,11 @@ used as a communication channel."
 	 (options (if raw-options
 		      (org-beamer--normalize-argument raw-options 'option)
 		    ""))
+         ;; also process actions
+	 (raw-actions (org-element-property :BEAMER_ACT headline))
+	 (actions (if raw-actions
+	              (org-beamer--normalize-argument raw-actions 'action)
+	            ""))
 	 ;; Start a "columns" environment when explicitly requested or
 	 ;; when there is no previous headline or the previous
 	 ;; headline do not have a BEAMER_column property.
@@ -546,10 +551,11 @@ used as a communication channel."
        (if (not (equal environment "columns")) "\\begin{columns}\n"
 	 (format "\\begin{columns}%s\n" options)))
      (when column-width
-       (format "\\begin{column}%s{%s}\n"
+       (format "\\begin{column}%s%s{%s}\n"
 	       ;; One can specify placement for column only when
 	       ;; HEADLINE stands for a column on its own.
 	       (if (equal environment "column") options "")
+	       (if (equal environment "column") actions "")
 	       (format "%s\\columnwidth" column-width)))
      ;; Block's opening string.
      (when (nth 2 env-format)
-- 
2.30.2