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Hermes SMTP Server) with ESMTPA ID d8fb90857d6bea707c173bb46be43c1b; Sat, 29 Jul 2023 00:20:51 +0000 (UTC) In-Reply-To: (Thiago Melo's message of "Fri, 28 Jul 2023 22:19:12 +0000") X-Mailer: WebService/1.1.21647 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:266308 Archived-At: Thiago Melo writes: > Under the conditions specified below, new graphical frames are > completely white until a redrawing is forced (usually by resizing the > frame): > > Emacs built with: > > - No toolkit OR Lucid (--with-x-toolkit=no OR --with-x-toolkit=lucid) > - Cairo (--with-cairo) > - Double buffering (--with-xdbe) > > Plus: > > - Without an X window manager OR using TinyWM > - No toolkit builds: when scrollbar is disabled before creating the frame > - Lucid builds: when scrollbar AND menubar are disabled before > creating the frame > > Affects `emacs -Q'. Tested on Debian GNU/Linux 12.1 (Bookworm). > > Issue started happening since commit > e361d0d7e5d3db8575d5d8673012aa4d7448ee54 (Tue Mar 1 20:15:02 2022 > +0800, "Add PropertyChangeMask to the standard event set"). Found via > bisect. Perhaps a change to a window property temporarily misleads Emacs into believing that the frame is iconified or otherwise invisible. Does your problem remain with the following change to xterm.c? diff --git a/src/xterm.c b/src/xterm.c index 61b9d972e57..466b86fe32a 100644 --- a/src/xterm.c +++ b/src/xterm.c @@ -19396,6 +19396,7 @@ handle_one_xevent (struct x_display_info *dpyinfo, f = x_top_window_to_frame (dpyinfo, event->xproperty.window); if (f && event->xproperty.atom == dpyinfo->Xatom_net_wm_state + && 0 /* This should never happen with embedded windows. */ && !FRAME_X_EMBEDDED_P (f)) { @@ -19441,6 +19442,7 @@ handle_one_xevent (struct x_display_info *dpyinfo, } if (f && event->xproperty.atom == dpyinfo->Xatom_wm_state + && 0 && !FRAME_X_EMBEDDED_P (f) && !FRAME_PARENT_FRAME (f)) /* Handle WM_STATE. We use this to clear the iconified flag on a frame if it is set.