From patchwork Wed May 20 08:43:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 1294134 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=LHhr5oO6; dkim-atps=neutral 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 ozlabs.org (Postfix) with ESMTPS id 49RmZY48Scz9sTC for ; Wed, 20 May 2020 18:46:45 +1000 (AEST) Received: from localhost ([::1]:46474 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jbKN9-000072-AI for incoming@patchwork.ozlabs.org; Wed, 20 May 2020 04:46:43 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44196) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jbKJz-0001EZ-HW for qemu-devel@nongnu.org; Wed, 20 May 2020 04:43:27 -0400 Received: from us-smtp-2.mimecast.com ([207.211.31.81]:60907 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jbKJy-0006d4-Kc for qemu-devel@nongnu.org; Wed, 20 May 2020 04:43:27 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1589964205; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=CHC618mfJCkbhUNMlZCQHBjRbGPMMjkx3dWr+fhUcYo=; b=LHhr5oO6iZAGaQ13agOpcN2wfvVqWuHm0GWljpc6LsnfnPLIv1JYdAnruXjUEtEf21lv9y bBXtnkPsTP/RxOmFNbDZPaCLMzprFpeI4KUt11hbJY64N5onycNjknuJiBJCRQ0Hk9Ty+V +d+RYftB2SAuxS4IvKGSPioGG0xDGIE= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-491-tCbVI8QkPGu_DkfBYEgLXQ-1; Wed, 20 May 2020 04:43:21 -0400 X-MC-Unique: tCbVI8QkPGu_DkfBYEgLXQ-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 8BB2B100CCC0; Wed, 20 May 2020 08:43:20 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-113-50.ams2.redhat.com [10.36.113.50]) by smtp.corp.redhat.com (Postfix) with ESMTP id 800061001920; Wed, 20 May 2020 08:43:17 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 929F49DAF; Wed, 20 May 2020 10:43:16 +0200 (CEST) From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PULL 03/11] ui/gkt: release all keys on grab-broken-event Date: Wed, 20 May 2020 10:43:08 +0200 Message-Id: <20200520084316.22057-4-kraxel@redhat.com> In-Reply-To: <20200520084316.22057-1-kraxel@redhat.com> References: <20200520084316.22057-1-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=207.211.31.81; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/20 04:09:34 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] 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, DKIMWL_WL_HIGH=0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_PASS=-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: Stefan Weil , =?utf-8?q?Volker_R=C3=BCmelin?= , Gerd Hoffmann , Paolo Bonzini Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Volker Rümelin 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 Rümelin Message-id: 20200516072014.7766-3-vr_qemu@t-online.de Signed-off-by: Gerd Hoffmann --- ui/gtk.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/ui/gtk.c b/ui/gtk.c index a0b10a140330..655b26de384e 100644 --- a/ui/gtk.c +++ b/ui/gtk.c @@ -1142,6 +1142,25 @@ 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 + /* + * On Windows the Ctrl-Alt-Del key combination can't be grabbed. This + * key combination leaves all three keys in a stuck condition. We use + * the grab-broken-event to release all keys. + */ + 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 +1929,8 @@ 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);