From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#55208: 29.0.50; MS-Windows GUI selection dialogs and double-buffering Date: Sat, 07 May 2022 10:40:12 +0300 Message-ID: <83czgpzt7n.fsf@gnu.org> References: <83mtg15jg9.fsf@gnu.org> <87levkpwma.fsf@yahoo.com> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="1945"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 55208@debbugs.gnu.org To: Po Lu Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat May 07 09:41:16 2022 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1nnF3z-0000N4-Pk for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 07 May 2022 09:41:15 +0200 Original-Received: from localhost ([::1]:55108 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nnF3y-0001oL-B0 for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 07 May 2022 03:41:14 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:59152) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nnF3m-0001nP-N8 for bug-gnu-emacs@gnu.org; Sat, 07 May 2022 03:41:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:56400) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nnF3m-00035z-EX for bug-gnu-emacs@gnu.org; Sat, 07 May 2022 03:41:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1nnF3m-0002PS-A8 for bug-gnu-emacs@gnu.org; Sat, 07 May 2022 03:41:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 07 May 2022 07:41:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 55208 X-GNU-PR-Package: emacs Original-Received: via spool by 55208-submit@debbugs.gnu.org id=B55208.16519092319217 (code B ref 55208); Sat, 07 May 2022 07:41:02 +0000 Original-Received: (at 55208) by debbugs.gnu.org; 7 May 2022 07:40:31 +0000 Original-Received: from localhost ([127.0.0.1]:50297 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nnF3G-0002Ob-Nx for submit@debbugs.gnu.org; Sat, 07 May 2022 03:40:30 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:37566) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nnF3E-0002OO-FW for 55208@debbugs.gnu.org; Sat, 07 May 2022 03:40:28 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:34522) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nnF39-0002pL-6e; Sat, 07 May 2022 03:40:23 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=5JDg2RSu27B1GjoSnbi0xdUFyDX2N1/mZd6/ZJ2ji0k=; b=KlHipay1P7oM cNj3+g08GzrbKUX+LLiPxFfRMGLRnLaB9+VShxJVh6fc7lZTFBzq+R0bvdsmdJnUZ029BbxMXzRvs 4D/gguf2PIlP/yiNLKiKVfwDiEA2H+g9w1DhHqSgZ0P0XhMf8lqYd5RKkoCfX2xSYMpS7MimBAu4e Kk2UfZhjEAZAUfZYmJ7Mpe4TGHvme9ZwwabfodsdqN/B8wom1fg6DU0AUAuWW8TslZmUztIWA5MwA iVIva1Sx8nkaaxYNMuP5u0ZUfas9QfLUQxdTu48O4lH8YgufWVbqjK9nXK8DSTWR+ZdGnP8ybqzWc 4FI4YEYkdvImOTlKAFZexg==; Original-Received: from [87.69.77.57] (port=2279 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nnF38-0003fQ-Dd; Sat, 07 May 2022 03:40:22 -0400 In-Reply-To: <87levkpwma.fsf@yahoo.com> (message from Po Lu on Mon, 02 May 2022 09:10:53 +0800) 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" Xref: news.gmane.io gmane.emacs.bugs:231556 Archived-At: > From: Po Lu > Cc: 55208@debbugs.gnu.org > Date: Mon, 02 May 2022 09:10:53 +0800 > > But try adding some code along the following lines under `WM_PAINT' in > `w32_msg_pump': w32_msg_pump doesn't handle WM_PAINT, so I'm not sure what you mean here. Also, AFAIK w32_msg_pump runs in a separate thread, so is it safe to call BitBlt from that thread? > if (popup is active) > { > enter_crit (); > if (FRAME_OUTPUT_DATA (f)->paint_dc) > { > BeginPaint (hwnd, &paintStruct); > > BitBlt (FRAME_OUTPUT_DATA (f)->paint_buffer_handle, > 0, 0, FRAME_PIXEL_WIDTH (f), FRAME_PIXEL_HEIGHT (f), > FRAME_OUTPUT_DATA (f)->paint_dc, 0, 0, SRCCOPY); > > EndPaint (hwnd, &paintStruct); > } > leave_crit (); > > return 0; > } > > (I don't know how to implement the "popup is active" part, > unfortunately.) I do know, but the above issues bother me more, so I didn't yet try this. Thanks.