From patchwork Sun May 10 18:42:57 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Volker_R=C3=BCmelin?= X-Patchwork-Id: 283051 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.5 required=3.0 tests=FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 846F1C54E8B for ; Sun, 10 May 2020 18:44:18 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 617972082E for ; Sun, 10 May 2020 18:44:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 617972082E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=t-online.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:37930 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jXqvx-0000Yg-Ia for qemu-devel@archiver.kernel.org; Sun, 10 May 2020 14:44:17 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:45862) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jXquu-0007gh-Jk for qemu-devel@nongnu.org; Sun, 10 May 2020 14:43:12 -0400 Received: from mailout08.t-online.de ([194.25.134.20]:45010) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jXqut-0005Kn-SL for qemu-devel@nongnu.org; Sun, 10 May 2020 14:43:12 -0400 Received: from fwd10.aul.t-online.de (fwd10.aul.t-online.de [172.20.26.152]) by mailout08.t-online.de (Postfix) with SMTP id 52081410DE12; Sun, 10 May 2020 20:43:10 +0200 (CEST) Received: from linpower.localnet (SarWkQZHghCqUVkN6wP8qHFtdnsP6l9FRK8cl2-NPruvS050obWFpTLP-7i5Hnhgnj@[46.86.59.135]) by fwd10.t-online.de with (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384 encrypted) esmtp id 1jXqus-1vLm640; Sun, 10 May 2020 20:43:10 +0200 Received: by linpower.localnet (Postfix, from userid 1000) id 9A15A200627; Sun, 10 May 2020 20:43:04 +0200 (CEST) From: =?utf-8?q?Volker_R=C3=BCmelin?= To: Gerd Hoffmann , Stefan Weil , =?utf-8?q?Daniel_P_=2E_Berrang=C3=A9?= Subject: [PATCH 03/10] ui/gkt: release all keys on grab-broken-event Date: Sun, 10 May 2020 20:42:57 +0200 Message-Id: <20200510184304.9267-3-vr_qemu@t-online.de> X-Mailer: git-send-email 2.26.1 In-Reply-To: <2393388c-86c3-4d7e-178e-2c7e6d14a8de@t-online.de> References: <2393388c-86c3-4d7e-178e-2c7e6d14a8de@t-online.de> MIME-Version: 1.0 X-ID: SarWkQZHghCqUVkN6wP8qHFtdnsP6l9FRK8cl2-NPruvS050obWFpTLP-7i5Hnhgnj X-TOI-MSGID: c579c7b6-edc9-4a60-90a5-8622e012e7c9 Received-SPF: none client-ip=194.25.134.20; envelope-from=volker.ruemelin@t-online.de; helo=mailout08.t-online.de X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/10 14:43:07 X-ACL-Warn: Detected OS = Linux 3.11 and newer [fuzzy] X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: QEMU Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" There is no way to grab the Ctrl-Alt-Del key combination on Windows. This key combination will leave all three keys in a stuck condition. This patch uses the grab-broken-event to release the keys. Signed-off-by: Volker RĂ¼melin --- ui/gtk.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/ui/gtk.c b/ui/gtk.c index 68c63532b1..5de2a75691 100644 --- a/ui/gtk.c +++ b/ui/gtk.c @@ -1132,6 +1132,20 @@ static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque) return TRUE; } +static gboolean gd_grab_broken_event(GtkWidget *widget, + GdkEventGrabBroken *event, void *opaque) +{ +#ifdef CONFIG_WIN32 + if (event->keyboard) { + VirtualConsole *vc = opaque; + GtkDisplayState *s = vc->s; + + gtk_release_modifiers(s); + } +#endif + return TRUE; +} + static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque) { if (event->type == GDK_MOTION_NOTIFY) { @@ -1910,6 +1924,8 @@ static void gd_connect_vc_gfx_signals(VirtualConsole *vc) G_CALLBACK(gd_focus_out_event), vc); g_signal_connect(vc->gfx.drawing_area, "configure-event", G_CALLBACK(gd_configure), vc); + g_signal_connect(vc->gfx.drawing_area, "grab-broken-event", + G_CALLBACK(gd_grab_broken_event), vc); } else { g_signal_connect(vc->gfx.drawing_area, "key-press-event", G_CALLBACK(gd_text_key_down), vc);