GNU bug report logs - #65509
[PATCH] Use correct env var when opening frames with freedesktop menu entries

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From: Eli Zaretskii <eliz <at> gnu.org>
To: luangruo <at> yahoo.com, Davide Masserut <dm <at> mssdvd.com>
Cc: stefankangas <at> gmail.com, 65509 <at> debbugs.gnu.org
Subject: bug#65509: [PATCH] Use correct env var when opening frames with freedesktop menu entries
Date: Fri, 15 Sep 2023 10:05:16 +0300

Ping!  Po Lu, could you please respond?

> From: Davide Masserut <dm <at> mssdvd.com>
> Cc: stefankangas <at> gmail.com, 65509 <at> debbugs.gnu.org
> Date: Fri, 08 Sep 2023 17:49:43 +0200
> 
> 
> Po Lu <luangruo <at> yahoo.com> writes:
> 
> > Eli Zaretskii <eliz <at> gnu.org> writes:
> >
> >>> From: Davide Masserut <dm <at> mssdvd.com>
> >>> Cc: Stefan Kangas <stefankangas <at> gmail.com>, Eli Zaretskii <eliz <at> gnu.org>,
> >>>  65509 <at> debbugs.gnu.org
> >>> Date: Wed, 06 Sep 2023 16:01:58 +0200
> >>> 
> >>> It turns out that Emacs 29 has new CLI option that solves exactly these problems.
> >>> 
> >>> The attached patch replaces the usage of --display=$DISPLAY with --reuse-frame.
> >>
> >> Po Lu, any objections to installing this on emacs-29?
> >
> > Yes.  Davide, would you please rewrite the patch so that your change is
> > only applied to the PGTK port?
> 
> Done.  Po, why can't we use --reuse-frame in X builds?
> 
> 
> >From 43085522a08b94ef594bd270d61a38d7bb26e036 Mon Sep 17 00:00:00 2001
> From: Davide Masserut <dm <at> mssdvd.com>
> Date: Thu, 24 Aug 2023 18:33:39 +0200
> Subject: [PATCH] Avoid using --display to reuse frames in PGTK
> 
> Using hard-coded display values can cause PGTK graphical frames to
> open using the wrong backend or not open at all.
> 
> * Makefile.in (install-etc): Use --reuse-frame instead of
> --display=$DISPLAY.
> ---
>  Makefile.in | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/Makefile.in b/Makefile.in
> index fdd9353e254..c82aad1af60 100644
> --- a/Makefile.in
> +++ b/Makefile.in
> @@ -843,6 +843,9 @@ EMACS_ICON=
>  ifeq (${USE_STARTUP_NOTIFICATION},no)
>  USE_STARTUP_NOTIFICATION_SED_CMD=-e "/^StartupNotify=true$$/d"
>  endif
> +ifeq ($(HAVE_PGTK),yes)
> +USE_WAYLAND_DISPLAY_SED_CMD=-e "s/display=[^ ]*/reuse-frame/"
> +endif
>  install-etc:
>  	umask 022; ${MKDIR_P} "$(DESTDIR)${desktopdir}"
>  	tmp=etc/emacs.tmpdesktop; rm -f $${tmp}; \
> @@ -857,6 +860,7 @@ install-etc:
>  	sed -e "/^Exec=/ s|emacsclient|${bindir}/$${client_name}|" \
>  	  -e "/^Icon=emacs/ s/emacs/${EMACS_NAME}/" \
>  	  $(USE_STARTUP_NOTIFICATION_SED_CMD) \
> +	  $(USE_WAYLAND_DISPLAY_SED_CMD) \
>  	  ${srcdir}/etc/emacsclient.desktop > $${tmp}; \
>  	${INSTALL_DATA} $${tmp} "$(DESTDIR)${desktopdir}/$${client_name}.desktop"; \
>  	rm -f $${tmp}
> @@ -870,6 +874,7 @@ install-etc:
>  	client_name=`echo emacsclient | sed '$(TRANSFORM)'`${EXEEXT}; \
>  	sed -e "/^Exec=/ s|emacsclient|${bindir}/$${client_name}|" \
>  	  -e "/^Icon=emacs/ s/emacs/${EMACS_NAME}/" \
> +	  $(USE_WAYLAND_DISPLAY_SED_CMD) \
>  	  ${srcdir}/etc/emacsclient-mail.desktop > $${tmp}; \
>  	${INSTALL_DATA} $${tmp} "$(DESTDIR)${desktopdir}/$${client_name}-mail.desktop"; \
>  	rm -f $${tmp}
> -- 
> 2.42.0
> 

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