From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Po Lu Newsgroups: gmane.emacs.devel Subject: Re: master fe7c015b20: Support XFCE in wallpaper.el Date: Mon, 19 Sep 2022 12:49:04 +0800 Message-ID: <87leqgrmtb.fsf@yahoo.com> References: <166336105908.23797.12319380359602540227@vcs2.savannah.gnu.org> <20220916204419.B124FC00872@vcs2.savannah.gnu.org> <87edwavjyc.fsf@yahoo.com> <87wna1tr7z.fsf@yahoo.com> <87tu551dmo.fsf@posteo.net> <87o7vdtg8r.fsf@yahoo.com> <87y1ugbtet.fsf@posteo.net> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="14914"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.91 (gnu/linux) Cc: Stefan Kangas , emacs-devel@gnu.org To: Thierry Volpiatto Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Mon Sep 19 06:50:53 2022 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oa8k7-0003eX-Ux for ged-emacs-devel@m.gmane-mx.org; Mon, 19 Sep 2022 06:50:52 +0200 Original-Received: from localhost ([::1]:56020 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oa8k5-0000yO-Nd for ged-emacs-devel@m.gmane-mx.org; Mon, 19 Sep 2022 00:50:49 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:48346) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oa8ij-0000E7-6U for emacs-devel@gnu.org; Mon, 19 Sep 2022 00:49:25 -0400 Original-Received: from sonic311-25.consmr.mail.ne1.yahoo.com ([66.163.188.206]:41262) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oa8ig-0001KP-OD for emacs-devel@gnu.org; Mon, 19 Sep 2022 00:49:24 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1663562957; bh=887xX4aKlvt1U75gaEXB1t/aDKVCZSrm/BlCAKVQcjM=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From:Subject:Reply-To; b=drG6GcFz85so8zxtVIteDda25+c/ijhsJ3h04gFIAgE2m2CkmcCixuBytMyvqHQpMEoSCJaz0kSiLzImuqWuvznOjuyS5yQ+/5QFrtgztyt0X7cGdvnZWvgrEkOw2UJeRlS1vv+U94fMRydX2dgBETM8eHIRg7m7+15nlDHRpXLqR52flxprQ0uEaYMrNP9x6kyH/5XrkoHHzZg8NmUYnAgcqi9sL/fzdjpdrqfq51MMKszNpzST13CbMY8VlZHfp1RhJ+xzBSeKnznWCJy21VZlyVcxsvmBJ+lOAbfwwpWTJJbUCzNxbFx8o5tHgxqE1AiIeEu4m5xtC2+m5ndJTA== X-SONIC-DKIM-SIGN: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1663562957; bh=NcfrzhCWj8Zq0HqkHcfKMwk4ST82ZmarmdtMGb2DDqq=; h=X-Sonic-MF:From:To:Subject:Date:From:Subject; b=hEtq1dGnXnCNZFzIDT2wghqTQjk8N3m7MdrbtX8yAl80VzzqHkGwk4OHDM/6BGexPFkWvWVdmCXgmMpqvAuACxpuexka75adsklU+t8SqqM9VkN4H9F+TSR0Y6CzoOr3dGPns5rmG55Wl17J7azOdouuEqqsNPbjw/82kJQJm/6LKp4itWnKBn/AxyBUAzkO4M2nUcKCUz9SCZNYznBX2HTXdGqI0jBqRXf1Ct/k9c+NJsurqoDMci0zGeGVr1KkmoEOGaf0KSxHUcx0kXNrdzpH0JuGYxy8gXODuKm+901T2KpB0MW9gb2vLHvFepZIFEEgO7NyxHUozcavGIPmfA== X-YMail-OSG: wvl1mOMVM1kn1wYStNB3nMMcDpMU0vXTIagAPIgr_8f6lpb3whqDmYLJ0Z1MHx_ KcBAfXUqVTyMYlZC.D0ytYPx.AkYVdGNyuT4.6hY839aSgRHMTJWg7vFTMWCAAcNN0BxMl0O77.T 1NGYWwSlGSoger7yqZWyrNnytsAYqxgNGGbfbYHY1NUqMPruTLVGRfMh9i.KxSAcoBv9plCZc2bQ Xtkc.sgsaN9MCJptgrCaZPioGaU5uKg9E1bBK.0pG17Nc2IF2lB56dHSVNjmgkcPMFBUQd4eMwyU g1w06RVLG1EMUwLt5HcjRoWVUNAjUwGlHkRy.1S1VZ4d2hJGEWlkm40zL9vJvnhpC1lqCsmFMdg3 Y1PtpAR0vJTnRzu1iHiz2tJWb9elhDAg9Bw2eBxZqIDwK7466IEpkPQZoIpLoN7o7qCDpHcN2vqL 2Gi15f2Nw1k1iV559I_Vnb8NKrW3oBMRakp9ctAWi_35VLBLMvhNOMpgm1PH6u3_8vo5ImiPoESV g.ME.rSuSx0NC4irQHomavPVJMhM17kdJCTpsQt21HI02BgI90zl3lH9ZiXm.xOz_vc6cwFq20ie px_iV0XfV0a9Or7Y2LU62Mxk6PhsDAzBJEmmlJpjjQepIprzNfwAgMhH7vj6QrFQs.E75nEMhu7Y deVNBE.uc_EH_5amBYYLfqvmQtan_uuvSJKMyokf9RLY7VQtg0XUwBtLf7oax1GpzbLIOPjTk2Ht 424rQR7GAsuevxueLmhnfQThwc6O0JStbdNZSapoDJJm7.unJ1GFAe9DsQ.uLqzu7rEeCqdnxoFr Um23lZUxn0mWMT66h3BwIJX_qLx0yRKlSn.9mJC4kP X-Sonic-MF: Original-Received: from sonic.gate.mail.ne1.yahoo.com by sonic311.consmr.mail.ne1.yahoo.com with HTTP; Mon, 19 Sep 2022 04:49:17 +0000 Original-Received: by hermes--canary-production-sg3-6bb8946c47-s4xp5 (Yahoo Inc. Hermes SMTP Server) with ESMTPA ID 2b72b9029b28505d12587b1db4d111a6; Mon, 19 Sep 2022 04:49:10 +0000 (UTC) In-Reply-To: <87y1ugbtet.fsf@posteo.net> (Thierry Volpiatto's message of "Sun, 18 Sep 2022 14:44:57 +0000") X-Mailer: WebService/1.1.20612 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Received-SPF: pass client-ip=66.163.188.206; envelope-from=luangruo@yahoo.com; helo=sonic311-25.consmr.mail.ne1.yahoo.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:295613 Archived-At: Thierry Volpiatto writes: > Po Lu writes: > >> Thierry Volpiatto writes: >> >>> Here the command fails if you specify the workspace, it works only with >>> "worspace0". >> >> But that's because you only have workspace 1 displayed, right? > > No, if emacs is on workspace0 and I use: > "/backdrop/screen0/monitoreDP/workspace0/last-image" > wallpaper is modified as expected.=20 > > Then if emacs is on workspace2 and I use: > "/backdrop/screen0/monitoreDP/workspace2/last-image" > Command exit with 0 status but wallpaper is not modified, but if I use: > "/backdrop/screen0/monitoreDP/workspace0/last-image" again (always from > workspace2), wallpaper is modified as expected. > > I can verify this with this command which monitor the desktop change: > > xfconf-query -c xfce4-desktop -m > > =3D> Commencer =C3=A0 surveiller le canal =C2=AB=C2=A0xfce4-desktop= =C2=A0=C2=BB=C2=A0: > > then I go to workspace4, modify wallpaper with mouse and the usual xfce > interface for this, go back in workspace1 an look at output: > I have now: > > Commencer =C3=A0 surveiller le canal =C2=AB=C2=A0xfce4-desktop=C2=A0= =C2=BB=C2=A0: > > d=C3=A9finir: /backdrop/screen0/monitoreDP/workspace0/last-image > > unfortunately this command is interactive :-( But here is how Thunar, the XFCE file manager, sets the backdrop: image_path_prop =3D g_strdup_printf("/backdrop/screen%d/monitor%s= /workspace%d/last-image", screen_nr, monitor_name, workspace); image_style_prop =3D g_strdup_printf("/backdrop/screen%d/monitor%= s/workspace%d/image-style", screen_nr, monitor_name, workspace); =20 where `workspace' is: GdkWindow *root; gulong bytes_after_ret =3D 0; gulong nitems_ret =3D 0; guint *prop_ret =3D NULL; Atom _NET_CURRENT_DESKTOP; Atom _WIN_WORKSPACE; Atom type_ret =3D None; gint format_ret; gint ws_num =3D 0; gdk_x11_display_error_trap_push (gdk_display_get_default ()); root =3D gdk_screen_get_root_window (screen); /* determine the X atom values */ _NET_CURRENT_DESKTOP =3D XInternAtom (GDK_WINDOW_XDISPLAY (root), "_NET_C= URRENT_DESKTOP", False); _WIN_WORKSPACE =3D XInternAtom (GDK_WINDOW_XDISPLAY (root), "_WIN_WORKSPA= CE", False); if (XGetWindowProperty (GDK_WINDOW_XDISPLAY (root), gdk_x11_get_default_root_xwindow(), _NET_CURRENT_DESKTOP, 0, 32, False, XA_CARDINAL, &type_ret, &format_ret, &nitems_ret, &bytes_after= _ret, (gpointer) &prop_ret) !=3D Success) { if (XGetWindowProperty (GDK_WINDOW_XDISPLAY (root), gdk_x11_get_default_root_xwindow(), _WIN_WORKSPACE, 0, 32, False, XA_CARDINAL, &type_ret, &format_ret, &nitems_ret, &bytes_a= fter_ret, (gpointer) &prop_ret) !=3D Success) { if (G_UNLIKELY (prop_ret !=3D NULL)) { XFree (prop_ret); prop_ret =3D NULL; } } } if (G_LIKELY (prop_ret !=3D NULL)) { if (G_LIKELY (type_ret !=3D None && format_ret !=3D 0)) ws_num =3D *prop_ret; XFree (prop_ret); } gdk_x11_display_error_trap_pop_ignored (gdk_display_get_default ()); return ws_num;