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Subject: bug#62988: 30.0.50; Add highlight line-or-region command to pulse.el
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--=-=-=
Content-Type: text/plain

severity: wishlist

My suggestion is to add a new command (i.e. an interactive function) to
pulse.el to highlight the current line or region.  The basic functions
already exist, but no command is provided.  This command is useful, for
example, in videos, demos or pair-programming sessions where the user
wish to highlight the current line or region for the audience.

Although pulse.el is part of CEDET, it provides general-purpose
functions not coupled to CEDET.

Example: apply patch and bind the new command to F1 key

(keymap-set global-map
            "<f1>"
            #'pulse-momentary-highlight-line-or-region)

============================================================

--=-=-=
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 filename=0001-Add-command-to-highlight-line-or-region-to-pulse.el.patch

From 30681b98fed3e90a653a741a644c94ee4f89a719 Mon Sep 17 00:00:00 2001
From: Gabriel do Nascimento Ribeiro <gabriel376@HIDDEN>
Date: Fri, 21 Apr 2023 02:51:47 -0300
Subject: [PATCH 1/1] Add command to highlight line or region to pulse.el

* lisp/cedet/pulse.el
(pulse-momentary-highlight-line-or-region): New command.
---
 lisp/cedet/pulse.el | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/lisp/cedet/pulse.el b/lisp/cedet/pulse.el
index 37b41fbe8c3..c76668152f7 100644
--- a/lisp/cedet/pulse.el
+++ b/lisp/cedet/pulse.el
@@ -215,6 +215,14 @@ pulse-momentary-highlight-region
     (overlay-put o 'pulse-delete t)
     (pulse-momentary-highlight-overlay o face)))
 
+;;;###autoload
+(defun pulse-momentary-highlight-line-or-region ()
+  "Highlight current region, when active, or current line, otherwise."
+  (interactive)
+  (if (use-region-p)
+      (pulse-momentary-highlight-region (region-beginning) (region-end))
+    (pulse-momentary-highlight-one-line)))
+
 ;;; Random integration with other tools
 
 (defvar pulse-command-advice-flag nil)
-- 
2.34.1


--=-=-=
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============================================================

---
Gabriel

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From: help-debbugs@HIDDEN (GNU bug Tracking System)
To: Gabriel <gabriel376@HIDDEN>
Subject: bug#62988: Acknowledgement (30.0.50; Add highlight line-or-region
 command to pulse.el)
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Date: Fri, 21 Apr 2023 06:11:02 +0000

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Subject: bug#62988: 30.0.50; Add highlight line-or-region command to pulse.el
Resent-From: Stefan Kangas <stefankangas@HIDDEN>
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From: Stefan Kangas <stefankangas@HIDDEN>
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 (Gabriel's message of "Fri, 21 Apr 2023 03:04:49 -0300")
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Gabriel <gabriel376@HIDDEN> writes:

> My suggestion is to add a new command (i.e. an interactive function) to
> pulse.el to highlight the current line or region.  The basic functions
> already exist, but no command is provided.  This command is useful, for
> example, in videos, demos or pair-programming sessions where the user
> wish to highlight the current line or region for the audience.
>
> Although pulse.el is part of CEDET, it provides general-purpose
> functions not coupled to CEDET.

Indeed.  I guess this is only in the lisp/cedet for hysterical raisins.

> Example: apply patch and bind the new command to F1 key
>
> (keymap-set global-map
>             "<f1>"
>             #'pulse-momentary-highlight-line-or-region)

Your patch and the feature makes sense to me, and I guess some users
might want it.  I think it should be called out in NEWS, and then it can
go in.

> ============================================================
>
>>From 30681b98fed3e90a653a741a644c94ee4f89a719 Mon Sep 17 00:00:00 2001
> From: Gabriel do Nascimento Ribeiro <gabriel376@HIDDEN>
> Date: Fri, 21 Apr 2023 02:51:47 -0300
> Subject: [PATCH 1/1] Add command to highlight line or region to pulse.el
>
> * lisp/cedet/pulse.el
> (pulse-momentary-highlight-line-or-region): New command.
> ---
>  lisp/cedet/pulse.el | 8 ++++++++
>  1 file changed, 8 insertions(+)
>
> diff --git a/lisp/cedet/pulse.el b/lisp/cedet/pulse.el
> index 37b41fbe8c3..c76668152f7 100644
> --- a/lisp/cedet/pulse.el
> +++ b/lisp/cedet/pulse.el
> @@ -215,6 +215,14 @@ pulse-momentary-highlight-region
>      (overlay-put o 'pulse-delete t)
>      (pulse-momentary-highlight-overlay o face)))
>
> +;;;###autoload
> +(defun pulse-momentary-highlight-line-or-region ()
> +  "Highlight current region, when active, or current line, otherwise."
> +  (interactive)
> +  (if (use-region-p)
> +      (pulse-momentary-highlight-region (region-beginning) (region-end))
> +    (pulse-momentary-highlight-one-line)))
> +
>  ;;; Random integration with other tools
>
>  (defvar pulse-command-advice-flag nil)

Last modified: Tue, 5 Sep 2023 16:30:02 UTC

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