From patchwork Fri Apr 23 08:33:43 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 12219883 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=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 3EFE7C433B4 for ; Fri, 23 Apr 2021 08:35:46 +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 78251613C3 for ; Fri, 23 Apr 2021 08:35:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 78251613C3 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:53022 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lZrHs-00023q-HO for qemu-devel@archiver.kernel.org; Fri, 23 Apr 2021 04:35:44 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:57152) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lZrGP-0000YZ-A2 for qemu-devel@nongnu.org; Fri, 23 Apr 2021 04:34:13 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:26821) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lZrGI-0001IP-Pe for qemu-devel@nongnu.org; Fri, 23 Apr 2021 04:34:11 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1619166845; 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=O9uAUD0xt40uRvLpYMDcTXloccXvwISE6J7uw4uWy6s=; b=YNjPfNXB/GGfqfLI0frJZFis5mZv+0jNffXpcuZETILPHZ+vG16D9cEvsjsuMcm448bUZr O5FlCuU7J3VeCeFVaxRs9R3Rv84e+kJego6pYMbMnA++tAufRq7HhPMnKzeJ3ImAHQyQXg uYLCMidUx6HdKR27FFKGTUX8S/xRDAg= 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-29-oSR2GoA5Nii_Xt5DsQnU4w-1; Fri, 23 Apr 2021 04:34:01 -0400 X-MC-Unique: oSR2GoA5Nii_Xt5DsQnU4w-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 B2929343A0 for ; Fri, 23 Apr 2021 08:34:00 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-112-178.ams2.redhat.com [10.36.112.178]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 9CAFE10016DB; Fri, 23 Apr 2021 08:33:53 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id DE11818007B1; Fri, 23 Apr 2021 10:33:51 +0200 (CEST) From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PATCH v4 1/9] build: add separate spice-protocol config option Date: Fri, 23 Apr 2021 10:33:43 +0200 Message-Id: <20210423083351.2096734-2-kraxel@redhat.com> In-Reply-To: <20210423083351.2096734-1-kraxel@redhat.com> References: <20210423083351.2096734-1-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=kraxel@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no 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: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Paolo Bonzini , Gerd Hoffmann , Markus Armbruster Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" When implementing spice vdagent protocol in qemu we only need the spice-protocol package for that, spice-server is not needed. So go split those two build dependencies. Signed-off-by: Gerd Hoffmann Reviewed-by: Marc-André Lureau --- configure | 36 ++++++++++++++++++++++++++++++++---- meson.build | 4 ++++ 2 files changed, 36 insertions(+), 4 deletions(-) diff --git a/configure b/configure index 4f374b48890e..e6f959da2347 100755 --- a/configure +++ b/configure @@ -388,6 +388,7 @@ qom_cast_debug="yes" trace_backends="log" trace_file="trace" spice="$default_feature" +spice_protocol="auto" rbd="auto" smartcard="$default_feature" u2f="auto" @@ -1129,7 +1130,15 @@ for opt do ;; --disable-spice) spice="no" ;; - --enable-spice) spice="yes" + --enable-spice) + spice_protocol="yes" + spice="yes" + ;; + --disable-spice-protocol) + spice_protocol="no" + spice="no" + ;; + --enable-spice-protocol) spice_protocol="yes" ;; --disable-libiscsi) libiscsi="disabled" ;; @@ -1866,6 +1875,7 @@ disabled with --disable-FEATURE, default is enabled if available vhost-user-blk-server vhost-user-blk server support vhost-vdpa vhost-vdpa kernel backend support spice spice + spice-protocol spice-protocol rbd rados block device (rbd) libiscsi iscsi support libnfs nfs support @@ -4149,6 +4159,19 @@ fi ########################################## # spice probe +if test "$spice_protocol" != "no" ; then + spice_protocol_cflags=$($pkg_config --cflags spice-protocol 2>/dev/null) + if $pkg_config --atleast-version=0.12.3 spice-protocol; then + spice_protocol="yes" + else + if test "$spice_protocol" = "yes" ; then + feature_not_found "spice_protocol" \ + "Install spice-protocol(>=0.12.3) devel" + fi + spice_protocol="no" + fi +fi + if test "$spice" != "no" ; then cat > $TMPC << EOF #include @@ -4157,13 +4180,13 @@ EOF spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null) spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null) if $pkg_config --atleast-version=0.12.5 spice-server && \ - $pkg_config --atleast-version=0.12.3 spice-protocol && \ + test "$spice_protocol" = "yes" && \ compile_prog "$spice_cflags" "$spice_libs" ; then spice="yes" else if test "$spice" = "yes" ; then feature_not_found "spice" \ - "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel" + "Install spice-server(>=0.12.5) devel" fi spice="no" fi @@ -5807,9 +5830,14 @@ fi if test "$posix_memalign" = "yes" ; then echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak fi + +if test "$spice_protocol" = "yes" ; then + echo "CONFIG_SPICE_PROTOCOL=y" >> $config_host_mak + echo "SPICE_PROTOCOL_CFLAGS=$spice_protocol_cflags" >> $config_host_mak +fi if test "$spice" = "yes" ; then echo "CONFIG_SPICE=y" >> $config_host_mak - echo "SPICE_CFLAGS=$spice_cflags" >> $config_host_mak + echo "SPICE_CFLAGS=$spice_cflags $spice_protocol_cflags" >> $config_host_mak echo "SPICE_LIBS=$spice_libs" >> $config_host_mak fi diff --git a/meson.build b/meson.build index c6f4b0cf5e8a..749259e7f29c 100644 --- a/meson.build +++ b/meson.build @@ -446,11 +446,15 @@ if 'CONFIG_LIBJACK' in config_host endif spice = not_found spice_headers = not_found +spice_protocol = not_found if 'CONFIG_SPICE' in config_host spice = declare_dependency(compile_args: config_host['SPICE_CFLAGS'].split(), link_args: config_host['SPICE_LIBS'].split()) spice_headers = declare_dependency(compile_args: config_host['SPICE_CFLAGS'].split()) endif +if 'CONFIG_SPICE_PROTOCOL' in config_host + spice_protocol = declare_dependency(compile_args: config_host['SPICE_PROTOCOL_CFLAGS'].split()) +endif rt = cc.find_library('rt', required: false) libdl = not_found if 'CONFIG_PLUGIN' in config_host From patchwork Fri Apr 23 08:33:44 2021 Content-Type: text/plain; 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Fri, 23 Apr 2021 10:33:51 +0200 (CEST) From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PATCH v4 2/9] ui: add clipboard infrastructure Date: Fri, 23 Apr 2021 10:33:44 +0200 Message-Id: <20210423083351.2096734-3-kraxel@redhat.com> In-Reply-To: <20210423083351.2096734-1-kraxel@redhat.com> References: <20210423083351.2096734-1-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=kraxel@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no 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: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Paolo Bonzini , Gerd Hoffmann , Markus Armbruster Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Add some infrastructure to manage the clipboard in qemu. Signed-off-by: Gerd Hoffmann Reviewed-by: Marc-André Lureau --- include/ui/clipboard.h | 62 ++++++++++++++++++++++++++++ ui/clipboard.c | 92 ++++++++++++++++++++++++++++++++++++++++++ ui/meson.build | 1 + 3 files changed, 155 insertions(+) create mode 100644 include/ui/clipboard.h create mode 100644 ui/clipboard.c diff --git a/include/ui/clipboard.h b/include/ui/clipboard.h new file mode 100644 index 000000000000..b2354a4162db --- /dev/null +++ b/include/ui/clipboard.h @@ -0,0 +1,62 @@ +#ifndef QEMU_CLIPBOARD_H +#define QEMU_CLIPBOARD_H + +#include "qemu/notify.h" + +typedef enum QemuClipboardType QemuClipboardType; +typedef enum QemuClipboardSelection QemuClipboardSelection; +typedef struct QemuClipboardPeer QemuClipboardPeer; +typedef struct QemuClipboardInfo QemuClipboardInfo; + +enum QemuClipboardType { + QEMU_CLIPBOARD_TYPE_TEXT, /* text/plain; charset=utf-8 */ + QEMU_CLIPBOARD_TYPE__COUNT, +}; + +/* same as VD_AGENT_CLIPBOARD_SELECTION_* */ +enum QemuClipboardSelection { + QEMU_CLIPBOARD_SELECTION_CLIPBOARD, + QEMU_CLIPBOARD_SELECTION_PRIMARY, + QEMU_CLIPBOARD_SELECTION_SECONDARY, + QEMU_CLIPBOARD_SELECTION__COUNT, +}; + +struct QemuClipboardPeer { + const char *name; + Notifier update; + void (*request)(QemuClipboardInfo *info, + QemuClipboardType type); +}; + +struct QemuClipboardInfo { + uint32_t refcount; + QemuClipboardPeer *owner; + QemuClipboardSelection selection; + struct { + bool available; + bool requested; + size_t size; + void *data; + } types[QEMU_CLIPBOARD_TYPE__COUNT]; +}; + +void qemu_clipboard_peer_register(QemuClipboardPeer *peer); +void qemu_clipboard_peer_unregister(QemuClipboardPeer *peer); + +QemuClipboardInfo *qemu_clipboard_info_new(QemuClipboardPeer *owner, + QemuClipboardSelection selection); +QemuClipboardInfo *qemu_clipboard_info_get(QemuClipboardInfo *info); +void qemu_clipboard_info_put(QemuClipboardInfo *info); + +void qemu_clipboard_update(QemuClipboardInfo *info); +void qemu_clipboard_request(QemuClipboardInfo *info, + QemuClipboardType type); + +void qemu_clipboard_set_data(QemuClipboardPeer *peer, + QemuClipboardInfo *info, + QemuClipboardType type, + uint32_t size, + void *data, + bool update); + +#endif /* QEMU_CLIPBOARD_H */ diff --git a/ui/clipboard.c b/ui/clipboard.c new file mode 100644 index 000000000000..556531c578a1 --- /dev/null +++ b/ui/clipboard.c @@ -0,0 +1,92 @@ +#include "qemu/osdep.h" +#include "ui/clipboard.h" + +static NotifierList clipboard_notifiers = + NOTIFIER_LIST_INITIALIZER(clipboard_notifiers); + +void qemu_clipboard_peer_register(QemuClipboardPeer *peer) +{ + notifier_list_add(&clipboard_notifiers, &peer->update); +} + +void qemu_clipboard_peer_unregister(QemuClipboardPeer *peer) +{ + notifier_remove(&peer->update); +} + +void qemu_clipboard_update(QemuClipboardInfo *info) +{ + notifier_list_notify(&clipboard_notifiers, info); +} + +QemuClipboardInfo *qemu_clipboard_info_new(QemuClipboardPeer *owner, + QemuClipboardSelection selection) +{ + QemuClipboardInfo *info = g_new0(QemuClipboardInfo, 1); + + info->owner = owner; + info->selection = selection; + info->refcount = 1; + + return info; +} + +QemuClipboardInfo *qemu_clipboard_info_get(QemuClipboardInfo *info) +{ + info->refcount++; + return info; +} + +void qemu_clipboard_info_put(QemuClipboardInfo *info) +{ + uint32_t type; + + if (!info) { + return; + } + + info->refcount--; + if (info->refcount > 0) { + return; + } + + for (type = 0; type < QEMU_CLIPBOARD_TYPE__COUNT; type++) { + g_free(info->types[type].data); + } + g_free(info); +} + +void qemu_clipboard_request(QemuClipboardInfo *info, + QemuClipboardType type) +{ + if (info->types[type].data || + info->types[type].requested || + !info->types[type].available || + !info->owner) + return; + + info->types[type].requested = true; + info->owner->request(info, type); +} + +void qemu_clipboard_set_data(QemuClipboardPeer *peer, + QemuClipboardInfo *info, + QemuClipboardType type, + uint32_t size, + void *data, + bool update) +{ + if (!info || + info->owner != peer) { + return; + } + + g_free(info->types[type].data); + info->types[type].data = g_memdup(data, size); + info->types[type].size = size; + info->types[type].available = true; + + if (update) { + qemu_clipboard_update(info); + } +} diff --git a/ui/meson.build b/ui/meson.build index e8d3ff41b905..fc4fb75c2869 100644 --- a/ui/meson.build +++ b/ui/meson.build @@ -2,6 +2,7 @@ softmmu_ss.add(pixman) specific_ss.add(when: ['CONFIG_SOFTMMU'], if_true: pixman) # for the include path softmmu_ss.add(files( + 'clipboard.c', 'console.c', 'cursor.c', 'input-keymap.c', From patchwork Fri Apr 23 08:33:45 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 12219931 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=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 6FDB5C433ED for ; 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Fri, 23 Apr 2021 08:34:02 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-112-178.ams2.redhat.com [10.36.112.178]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 660CC5D9C6; Fri, 23 Apr 2021 08:34:02 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 08FA118007B3; Fri, 23 Apr 2021 10:33:52 +0200 (CEST) From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PATCH v4 3/9] ui: add clipboard documentation Date: Fri, 23 Apr 2021 10:33:45 +0200 Message-Id: <20210423083351.2096734-4-kraxel@redhat.com> In-Reply-To: <20210423083351.2096734-1-kraxel@redhat.com> References: <20210423083351.2096734-1-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=kraxel@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=170.10.133.124; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no 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: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Paolo Bonzini , Gerd Hoffmann , Markus Armbruster Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Document clipboard infrastructure in qemu. Signed-off-by: Gerd Hoffmann Reviewed-by: Marc-André Lureau --- include/ui/clipboard.h | 133 ++++++++++++++++++++++++++++++++++++++++- docs/devel/index.rst | 1 + docs/devel/ui.rst | 8 +++ 3 files changed, 141 insertions(+), 1 deletion(-) create mode 100644 docs/devel/ui.rst diff --git a/include/ui/clipboard.h b/include/ui/clipboard.h index b2354a4162db..57d4ad445628 100644 --- a/include/ui/clipboard.h +++ b/include/ui/clipboard.h @@ -3,17 +3,47 @@ #include "qemu/notify.h" +/** + * DOC: Introduction + * + * The header ``ui/clipboard.h`` declares the qemu clipboard interface. + * + * All qemu elements which want use the clipboard can register as + * clipboard peer. Subsequently they can set the clipboard content + * and get notifications for clipboard updates. + * + * Typical users are user interfaces (gtk), remote access protocols + * (vnc) and devices talking to the guest (vdagent). + * + * Even though the design allows different data types only plain text + * is supported for now. + */ + typedef enum QemuClipboardType QemuClipboardType; typedef enum QemuClipboardSelection QemuClipboardSelection; typedef struct QemuClipboardPeer QemuClipboardPeer; typedef struct QemuClipboardInfo QemuClipboardInfo; +/** + * enum QemuClipboardType + * + * @QEMU_CLIPBOARD_TYPE_TEXT: text/plain; charset=utf-8 + * @QEMU_CLIPBOARD_TYPE__COUNT: type count. + */ enum QemuClipboardType { - QEMU_CLIPBOARD_TYPE_TEXT, /* text/plain; charset=utf-8 */ + QEMU_CLIPBOARD_TYPE_TEXT, QEMU_CLIPBOARD_TYPE__COUNT, }; /* same as VD_AGENT_CLIPBOARD_SELECTION_* */ +/** + * enum QemuClipboardSelection + * + * @QEMU_CLIPBOARD_SELECTION_CLIPBOARD: clipboard (explitcit cut+paste). + * @QEMU_CLIPBOARD_SELECTION_PRIMARY: primary selection (select + middle mouse button). + * @QEMU_CLIPBOARD_SELECTION_SECONDARY: secondary selection (dunno). + * @QEMU_CLIPBOARD_SELECTION__COUNT: selection count. + */ enum QemuClipboardSelection { QEMU_CLIPBOARD_SELECTION_CLIPBOARD, QEMU_CLIPBOARD_SELECTION_PRIMARY, @@ -21,6 +51,15 @@ enum QemuClipboardSelection { QEMU_CLIPBOARD_SELECTION__COUNT, }; +/** + * struct QemuClipboardPeer + * + * @name: peer name. + * @update: notifier for clipboard updates. + * @request: callback for clipboard data requests. + * + * Clipboard peer description. + */ struct QemuClipboardPeer { const char *name; Notifier update; @@ -28,6 +67,16 @@ struct QemuClipboardPeer { QemuClipboardType type); }; +/** + * struct QemuClipboardInfo + * + * @refcount: reference counter. + * @owner: clipboard owner. + * @selection: clipboard selection. + * @types: clipboard data array (one entry per type). + * + * Clipboard content data and metadata. + */ struct QemuClipboardInfo { uint32_t refcount; QemuClipboardPeer *owner; @@ -40,18 +89,100 @@ struct QemuClipboardInfo { } types[QEMU_CLIPBOARD_TYPE__COUNT]; }; +/** + * qemu_clipboard_peer_register + * + * @peer: peer information. + * + * Register clipboard peer. Registering is needed for both active + * (set+grab clipboard) and passive (watch clipboard for updates) + * interaction with the qemu clipboard. + */ void qemu_clipboard_peer_register(QemuClipboardPeer *peer); + +/** + * qemu_clipboard_peer_unregister + * + * @peer: peer information. + * + * Unregister clipboard peer. + */ void qemu_clipboard_peer_unregister(QemuClipboardPeer *peer); +/** + * qemu_clipboard_info_new + * + * @owner: clipboard owner. + * @selection: clipboard selection. + * + * Allocate a new QemuClipboardInfo and initialize it with the given + * @owner and @selection. + * + * QemuClipboardInfo is a reference-counted struct. The new struct is + * returned with a reference already taken (i.e. reference count is + * one). + */ QemuClipboardInfo *qemu_clipboard_info_new(QemuClipboardPeer *owner, QemuClipboardSelection selection); +/** + * qemu_clipboard_info_get + * + * @info: clipboard info. + * + * Increase @info reference count. + */ QemuClipboardInfo *qemu_clipboard_info_get(QemuClipboardInfo *info); + +/** + * qemu_clipboard_info_put + * + * @info: clipboard info. + * + * Decrease @info reference count. When the count goes down to zero + * free the @info struct itself and all clipboard data. + */ void qemu_clipboard_info_put(QemuClipboardInfo *info); +/** + * qemu_clipboard_update + * + * @info: clipboard info. + * + * Update the qemu clipboard. Notify all registered peers (including + * the clipboard owner) that the qemu clipboard has been updated. + * + * This is used for both new completely clipboard content and for + * clipboard data updates in response to qemu_clipboard_request() + * calls. + */ void qemu_clipboard_update(QemuClipboardInfo *info); + +/** + * qemu_clipboard_request + * + * @info: clipboard info. + * @type: clipboard data type. + * + * Request clipboard content. Typically the clipboard owner only + * advertises the available data types and provides the actual data + * only on request. + */ void qemu_clipboard_request(QemuClipboardInfo *info, QemuClipboardType type); +/** + * qemu_clipboard_set_data + * + * @peer: clipboard peer. + * @info: clipboard info. + * @type: clipboard data type. + * @size: data size. + * @data: data blob. + * @update: notify peers about the update. + * + * Set clipboard content for the given @type. This function will make + * a copy of the content data and store that. + */ void qemu_clipboard_set_data(QemuClipboardPeer *peer, QemuClipboardInfo *info, QemuClipboardType type, diff --git a/docs/devel/index.rst b/docs/devel/index.rst index 6cf7e2d2330c..cbdbb9049182 100644 --- a/docs/devel/index.rst +++ b/docs/devel/index.rst @@ -36,6 +36,7 @@ Contents: multi-thread-tcg tcg-plugins bitops + ui reset s390-dasd-ipl clocks diff --git a/docs/devel/ui.rst b/docs/devel/ui.rst new file mode 100644 index 000000000000..06c7d622ce74 --- /dev/null +++ b/docs/devel/ui.rst @@ -0,0 +1,8 @@ +================= +Qemu UI subsystem +================= + +Qemu Clipboard +-------------- + +.. kernel-doc:: include/ui/clipboard.h From patchwork Fri Apr 23 08:33:46 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 12219885 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=-10.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY 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 14EEEC433B4 for ; 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Fri, 23 Apr 2021 08:34:05 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-112-178.ams2.redhat.com [10.36.112.178]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 639B01383F; Fri, 23 Apr 2021 08:34:04 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 1B53118007B4; Fri, 23 Apr 2021 10:33:52 +0200 (CEST) From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PATCH v4 4/9] ui/vdagent: core infrastructure Date: Fri, 23 Apr 2021 10:33:46 +0200 Message-Id: <20210423083351.2096734-5-kraxel@redhat.com> In-Reply-To: <20210423083351.2096734-1-kraxel@redhat.com> References: <20210423083351.2096734-1-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=kraxel@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no 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: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Paolo Bonzini , Gerd Hoffmann , Markus Armbruster Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The vdagent protocol allows the guest agent (spice-vdagent) and the spice client exchange messages to implement features which require guest cooperation, for example clipboard support. This is a qemu implementation of the spice client side. This allows the spice guest agent talk to qemu directly when not using the spice protocol. usage: qemu \ -chardev vdagent,id=vdagent \ -device virtserialport,chardev=vdagent,name=com.redhat.spice.0 This patch adds just the protocol basics: initial handshake and capability negotiation. The following patches will add actual functionality and also add fields to the initially empty ChardevVDAgent qapi struct. Signed-off-by: Gerd Hoffmann Acked-by: Markus Armbruster --- ui/vdagent.c | 314 ++++++++++++++++++++++++++++++++++++++++++++++++ qapi/char.json | 17 ++- ui/meson.build | 1 + ui/trace-events | 8 ++ 4 files changed, 339 insertions(+), 1 deletion(-) create mode 100644 ui/vdagent.c diff --git a/ui/vdagent.c b/ui/vdagent.c new file mode 100644 index 000000000000..98d1a2ee3415 --- /dev/null +++ b/ui/vdagent.c @@ -0,0 +1,314 @@ +#include "qemu/osdep.h" +#include "include/qemu-common.h" +#include "chardev/char.h" +#include "trace.h" + +#include "qapi/qapi-types-char.h" + +#include "spice/vd_agent.h" + +struct VDAgentChardev { + Chardev parent; + + /* guest vdagent */ + uint32_t caps; + VDIChunkHeader chunk; + uint32_t chunksize; + uint8_t *msgbuf; + uint32_t msgsize; + uint8_t *xbuf; + uint32_t xoff, xsize; +}; +typedef struct VDAgentChardev VDAgentChardev; + +#define TYPE_CHARDEV_VDAGENT "chardev-vdagent" + +DECLARE_INSTANCE_CHECKER(VDAgentChardev, VDAGENT_CHARDEV, + TYPE_CHARDEV_VDAGENT); + +/* ------------------------------------------------------------------ */ +/* names, for debug logging */ + +static const char *cap_name[] = { + [VD_AGENT_CAP_MOUSE_STATE] = "mouse-state", + [VD_AGENT_CAP_MONITORS_CONFIG] = "monitors-config", + [VD_AGENT_CAP_REPLY] = "reply", + [VD_AGENT_CAP_CLIPBOARD] = "clipboard", + [VD_AGENT_CAP_DISPLAY_CONFIG] = "display-config", + [VD_AGENT_CAP_CLIPBOARD_BY_DEMAND] = "clipboard-by-demand", + [VD_AGENT_CAP_CLIPBOARD_SELECTION] = "clipboard-selection", + [VD_AGENT_CAP_SPARSE_MONITORS_CONFIG] = "sparse-monitors-config", + [VD_AGENT_CAP_GUEST_LINEEND_LF] = "guest-lineend-lf", + [VD_AGENT_CAP_GUEST_LINEEND_CRLF] = "guest-lineend-crlf", + [VD_AGENT_CAP_MAX_CLIPBOARD] = "max-clipboard", + [VD_AGENT_CAP_AUDIO_VOLUME_SYNC] = "audio-volume-sync", + [VD_AGENT_CAP_MONITORS_CONFIG_POSITION] = "monitors-config-position", + [VD_AGENT_CAP_FILE_XFER_DISABLED] = "file-xfer-disabled", + [VD_AGENT_CAP_FILE_XFER_DETAILED_ERRORS] = "file-xfer-detailed-errors", +#if 0 + [VD_AGENT_CAP_GRAPHICS_DEVICE_INFO] = "graphics-device-info", + [VD_AGENT_CAP_CLIPBOARD_NO_RELEASE_ON_REGRAB] = "clipboard-no-release-on-regrab", + [VD_AGENT_CAP_CLIPBOARD_GRAB_SERIAL] = "clipboard-grab-serial", +#endif +}; + +static const char *msg_name[] = { + [VD_AGENT_MOUSE_STATE] = "mouse-state", + [VD_AGENT_MONITORS_CONFIG] = "monitors-config", + [VD_AGENT_REPLY] = "reply", + [VD_AGENT_CLIPBOARD] = "clipboard", + [VD_AGENT_DISPLAY_CONFIG] = "display-config", + [VD_AGENT_ANNOUNCE_CAPABILITIES] = "announce-capabilities", + [VD_AGENT_CLIPBOARD_GRAB] = "clipboard-grab", + [VD_AGENT_CLIPBOARD_REQUEST] = "clipboard-request", + [VD_AGENT_CLIPBOARD_RELEASE] = "clipboard-release", + [VD_AGENT_FILE_XFER_START] = "file-xfer-start", + [VD_AGENT_FILE_XFER_STATUS] = "file-xfer-status", + [VD_AGENT_FILE_XFER_DATA] = "file-xfer-data", + [VD_AGENT_CLIENT_DISCONNECTED] = "client-disconnected", + [VD_AGENT_MAX_CLIPBOARD] = "max-clipboard", + [VD_AGENT_AUDIO_VOLUME_SYNC] = "audio-volume-sync", +#if 0 + [VD_AGENT_GRAPHICS_DEVICE_INFO] = "graphics-device-info", +#endif +}; + +#define GET_NAME(_m, _v) \ + (((_v) < ARRAY_SIZE(_m) && (_m[_v])) ? (_m[_v]) : "???") + +/* ------------------------------------------------------------------ */ +/* send messages */ + +static void vdagent_send_buf(VDAgentChardev *vd, void *ptr, uint32_t msgsize) +{ + uint8_t *msgbuf = ptr; + uint32_t len, pos = 0; + + while (pos < msgsize) { + len = qemu_chr_be_can_write(CHARDEV(vd)); + if (len > msgsize - pos) { + len = msgsize - pos; + } + qemu_chr_be_write(CHARDEV(vd), msgbuf + pos, len); + pos += len; + } +} + +static void vdagent_send_msg(VDAgentChardev *vd, VDAgentMessage *msg) +{ + uint8_t *msgbuf = (void *)msg; + uint32_t msgsize = sizeof(VDAgentMessage) + msg->size; + uint32_t msgoff = 0; + VDIChunkHeader chunk; + + trace_vdagent_send(GET_NAME(msg_name, msg->type)); + + msg->protocol = VD_AGENT_PROTOCOL; + + while (msgoff < msgsize) { + chunk.port = VDP_CLIENT_PORT; + chunk.size = msgsize - msgoff; + if (chunk.size > 1024) { + chunk.size = 1024; + } + vdagent_send_buf(vd, &chunk, sizeof(chunk)); + vdagent_send_buf(vd, msgbuf + msgoff, chunk.size); + msgoff += chunk.size; + } +} + +static void vdagent_send_caps(VDAgentChardev *vd) +{ + g_autofree VDAgentMessage *msg = g_malloc0(sizeof(VDAgentMessage) + + sizeof(VDAgentAnnounceCapabilities) + + sizeof(uint32_t)); + + msg->type = VD_AGENT_ANNOUNCE_CAPABILITIES; + msg->size = sizeof(VDAgentAnnounceCapabilities) + sizeof(uint32_t); + + vdagent_send_msg(vd, msg); +} + +/* ------------------------------------------------------------------ */ +/* chardev backend */ + +static void vdagent_chr_open(Chardev *chr, + ChardevBackend *backend, + bool *be_opened, + Error **errp) +{ + *be_opened = true; +} + +static void vdagent_chr_recv_caps(VDAgentChardev *vd, VDAgentMessage *msg) +{ + VDAgentAnnounceCapabilities *caps = (void *)msg->data; + int i; + + if (msg->size < (sizeof(VDAgentAnnounceCapabilities) + + sizeof(uint32_t))) { + return; + } + + for (i = 0; i < ARRAY_SIZE(cap_name); i++) { + if (caps->caps[0] & (1 << i)) { + trace_vdagent_peer_cap(GET_NAME(cap_name, i)); + } + } + + vd->caps = caps->caps[0]; + if (caps->request) { + vdagent_send_caps(vd); + } +} + +static void vdagent_chr_recv_msg(VDAgentChardev *vd, VDAgentMessage *msg) +{ + trace_vdagent_recv_msg(GET_NAME(msg_name, msg->type), msg->size); + + switch (msg->type) { + case VD_AGENT_ANNOUNCE_CAPABILITIES: + vdagent_chr_recv_caps(vd, msg); + break; + default: + break; + } +} + +static void vdagent_reset_xbuf(VDAgentChardev *vd) +{ + g_free(vd->xbuf); + vd->xoff = 0; + vd->xsize = 0; + vd->xbuf = NULL; +} + +static void vdagent_chr_recv_chunk(VDAgentChardev *vd) +{ + VDAgentMessage *msg = (void *)vd->msgbuf; + + if (!vd->xsize) { + if (vd->msgsize < sizeof(*msg)) { + fprintf(stderr, "%s: message too small: %d < %zd\n", __func__, + vd->msgsize, sizeof(*msg)); + return; + } + if (vd->msgsize == msg->size + sizeof(*msg)) { + vdagent_chr_recv_msg(vd, msg); + return; + } + } + + if (!vd->xsize) { + vd->xsize = msg->size + sizeof(*msg); + vd->xbuf = g_malloc0(vd->xsize); + } + + if (vd->xoff + vd->msgsize > vd->xsize) { + fprintf(stderr, "%s: Oops: %d+%d > %d\n", __func__, + vd->xoff, vd->msgsize, vd->xsize); + vdagent_reset_xbuf(vd); + return; + } + + memcpy(vd->xbuf + vd->xoff, vd->msgbuf, vd->msgsize); + vd->xoff += vd->msgsize; + if (vd->xoff < vd->xsize) { + return; + } + + msg = (void *)vd->xbuf; + vdagent_chr_recv_msg(vd, msg); + vdagent_reset_xbuf(vd); +} + +static void vdagent_reset_bufs(VDAgentChardev *vd) +{ + memset(&vd->chunk, 0, sizeof(vd->chunk)); + vd->chunksize = 0; + g_free(vd->msgbuf); + vd->msgbuf = NULL; + vd->msgsize = 0; +} + +static int vdagent_chr_write(Chardev *chr, const uint8_t *buf, int len) +{ + VDAgentChardev *vd = VDAGENT_CHARDEV(chr); + uint32_t copy, ret = len; + + while (len) { + if (vd->chunksize < sizeof(vd->chunk)) { + copy = sizeof(vd->chunk) - vd->chunksize; + if (copy > len) { + copy = len; + } + memcpy((void *)(&vd->chunk) + vd->chunksize, buf, copy); + vd->chunksize += copy; + buf += copy; + len -= copy; + if (vd->chunksize < sizeof(vd->chunk)) { + break; + } + + assert(vd->msgbuf == NULL); + vd->msgbuf = g_malloc0(vd->chunk.size); + } + + copy = vd->chunk.size - vd->msgsize; + if (copy > len) { + copy = len; + } + memcpy(vd->msgbuf + vd->msgsize, buf, copy); + vd->msgsize += copy; + buf += copy; + len -= copy; + + if (vd->msgsize == vd->chunk.size) { + trace_vdagent_recv_chunk(vd->chunk.size); + vdagent_chr_recv_chunk(vd); + vdagent_reset_bufs(vd); + } + } + + return ret; +} + +static void vdagent_chr_set_fe_open(struct Chardev *chr, int fe_open) +{ + VDAgentChardev *vd = VDAGENT_CHARDEV(chr); + + if (!fe_open) { + trace_vdagent_close(); + /* reset state */ + vdagent_reset_bufs(vd); + vd->caps = 0; + return; + } + + trace_vdagent_open(); +} + +/* ------------------------------------------------------------------ */ + +static void vdagent_chr_class_init(ObjectClass *oc, void *data) +{ + ChardevClass *cc = CHARDEV_CLASS(oc); + + cc->open = vdagent_chr_open; + cc->chr_write = vdagent_chr_write; + cc->chr_set_fe_open = vdagent_chr_set_fe_open; +} + +static const TypeInfo vdagent_chr_type_info = { + .name = TYPE_CHARDEV_VDAGENT, + .parent = TYPE_CHARDEV, + .instance_size = sizeof(VDAgentChardev), + .class_init = vdagent_chr_class_init, +}; + +static void register_types(void) +{ + type_register_static(&vdagent_chr_type_info); +} + +type_init(register_types); diff --git a/qapi/char.json b/qapi/char.json index 6413970fa73b..ca5a85f76b3e 100644 --- a/qapi/char.json +++ b/qapi/char.json @@ -390,12 +390,25 @@ 'data': { '*size': 'int' }, 'base': 'ChardevCommon' } +## +# @ChardevVDAgent: +# +# Configuration info for vdagent. +# +# Since: 6.1 +# +## +{ 'struct': 'ChardevVDAgent', + 'data': { }, + 'base': 'ChardevCommon', + 'if': 'defined(CONFIG_SPICE_PROTOCOL)' } + ## # @ChardevBackend: # # Configuration info for the new chardev backend. # -# Since: 1.4 (testdev since 2.2, wctablet since 2.9) +# Since: 1.4 (testdev since 2.2, wctablet since 2.9, vdagent since 6.1) ## { 'union': 'ChardevBackend', 'data': { 'file': 'ChardevFile', @@ -417,6 +430,8 @@ 'if': 'defined(CONFIG_SPICE)' }, 'spiceport': { 'type': 'ChardevSpicePort', 'if': 'defined(CONFIG_SPICE)' }, + 'vdagent': { 'type': 'ChardevVDAgent', + 'if': 'defined(CONFIG_SPICE_PROTOCOL)' }, 'vc': 'ChardevVC', 'ringbuf': 'ChardevRingbuf', # next one is just for compatibility diff --git a/ui/meson.build b/ui/meson.build index fc4fb75c2869..bad49fb6de60 100644 --- a/ui/meson.build +++ b/ui/meson.build @@ -14,6 +14,7 @@ softmmu_ss.add(files( 'qemu-pixman.c', )) softmmu_ss.add([spice_headers, files('spice-module.c')]) +softmmu_ss.add(when: spice_protocol, if_true: files('vdagent.c')) softmmu_ss.add(when: 'CONFIG_LINUX', if_true: files('input-linux.c')) softmmu_ss.add(when: cocoa, if_true: files('cocoa.m')) diff --git a/ui/trace-events b/ui/trace-events index 5d1da6f23668..c34cffb0452b 100644 --- a/ui/trace-events +++ b/ui/trace-events @@ -124,3 +124,11 @@ xkeymap_extension(const char *name) "extension '%s'" xkeymap_vendor(const char *name) "vendor '%s'" xkeymap_keycodes(const char *name) "keycodes '%s'" xkeymap_keymap(const char *name) "keymap '%s'" + +# vdagent.c +vdagent_open(void) "" +vdagent_close(void) "" +vdagent_send(const char *name) "msg %s" +vdagent_recv_chunk(uint32_t size) "size %d" +vdagent_recv_msg(const char *name, uint32_t size) "msg %s, size %d" +vdagent_peer_cap(const char *name) "cap %s" From patchwork Fri Apr 23 08:33:47 2021 Content-Type: text/plain; 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Fri, 23 Apr 2021 10:33:52 +0200 (CEST) From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PATCH v4 5/9] ui/vdagent: add mouse support Date: Fri, 23 Apr 2021 10:33:47 +0200 Message-Id: <20210423083351.2096734-6-kraxel@redhat.com> In-Reply-To: <20210423083351.2096734-1-kraxel@redhat.com> References: <20210423083351.2096734-1-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=kraxel@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=170.10.133.124; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no 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: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Paolo Bonzini , Gerd Hoffmann , Markus Armbruster Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This patch adds support for mouse messages to the vdagent implementation. This can be enabled/disabled using the new 'mouse' parameter for the vdagent chardev. Default is on. Signed-off-by: Gerd Hoffmann Reviewed-by: Marc-André Lureau --- chardev/char.c | 3 + ui/vdagent.c | 150 +++++++++++++++++++++++++++++++++++++++++++++++++ qapi/char.json | 4 +- 3 files changed, 156 insertions(+), 1 deletion(-) diff --git a/chardev/char.c b/chardev/char.c index 398f09df19cd..9714057541fb 100644 --- a/chardev/char.c +++ b/chardev/char.c @@ -932,6 +932,9 @@ QemuOptsList qemu_chardev_opts = { },{ .name = "logappend", .type = QEMU_OPT_BOOL, + },{ + .name = "mouse", + .type = QEMU_OPT_BOOL, #ifdef CONFIG_LINUX },{ .name = "tight", diff --git a/ui/vdagent.c b/ui/vdagent.c index 98d1a2ee3415..e914a33bae20 100644 --- a/ui/vdagent.c +++ b/ui/vdagent.c @@ -1,15 +1,25 @@ #include "qemu/osdep.h" #include "include/qemu-common.h" #include "chardev/char.h" +#include "hw/qdev-core.h" +#include "qemu/option.h" +#include "ui/console.h" +#include "ui/input.h" #include "trace.h" #include "qapi/qapi-types-char.h" +#include "qapi/qapi-types-ui.h" #include "spice/vd_agent.h" +#define VDAGENT_MOUSE_DEFAULT true + struct VDAgentChardev { Chardev parent; + /* config */ + bool mouse; + /* guest vdagent */ uint32_t caps; VDIChunkHeader chunk; @@ -18,6 +28,14 @@ struct VDAgentChardev { uint32_t msgsize; uint8_t *xbuf; uint32_t xoff, xsize; + + /* mouse */ + DeviceState mouse_dev; + uint32_t mouse_x; + uint32_t mouse_y; + uint32_t mouse_btn; + uint32_t mouse_display; + QemuInputHandlerState *mouse_hs; }; typedef struct VDAgentChardev VDAgentChardev; @@ -122,13 +140,113 @@ static void vdagent_send_caps(VDAgentChardev *vd) g_autofree VDAgentMessage *msg = g_malloc0(sizeof(VDAgentMessage) + sizeof(VDAgentAnnounceCapabilities) + sizeof(uint32_t)); + VDAgentAnnounceCapabilities *caps = (void *)msg->data; msg->type = VD_AGENT_ANNOUNCE_CAPABILITIES; msg->size = sizeof(VDAgentAnnounceCapabilities) + sizeof(uint32_t); + if (vd->mouse) { + caps->caps[0] |= (1 << VD_AGENT_CAP_MOUSE_STATE); + } vdagent_send_msg(vd, msg); } +/* ------------------------------------------------------------------ */ +/* mouse events */ + +static bool have_mouse(VDAgentChardev *vd) +{ + return vd->mouse && + (vd->caps & (1 << VD_AGENT_CAP_MOUSE_STATE)); +} + +static void vdagent_send_mouse(VDAgentChardev *vd) +{ + g_autofree VDAgentMessage *msg = g_malloc0(sizeof(VDAgentMessage) + + sizeof(VDAgentMouseState)); + VDAgentMouseState *mouse = (void *)msg->data; + + msg->type = VD_AGENT_MOUSE_STATE; + msg->size = sizeof(VDAgentMouseState); + + mouse->x = vd->mouse_x; + mouse->y = vd->mouse_y; + mouse->buttons = vd->mouse_btn; + mouse->display_id = vd->mouse_display; + + vdagent_send_msg(vd, msg); +} + +static void vdagent_pointer_event(DeviceState *dev, QemuConsole *src, + InputEvent *evt) +{ + static const int bmap[INPUT_BUTTON__MAX] = { + [INPUT_BUTTON_LEFT] = VD_AGENT_LBUTTON_MASK, + [INPUT_BUTTON_RIGHT] = VD_AGENT_RBUTTON_MASK, + [INPUT_BUTTON_MIDDLE] = VD_AGENT_MBUTTON_MASK, + [INPUT_BUTTON_WHEEL_UP] = VD_AGENT_UBUTTON_MASK, + [INPUT_BUTTON_WHEEL_DOWN] = VD_AGENT_DBUTTON_MASK, +#if 0 + [INPUT_BUTTON_SIDE] = VD_AGENT_SBUTTON_MASK, + [INPUT_BUTTON_EXTRA] = VD_AGENT_EBUTTON_MASK, +#endif + }; + + VDAgentChardev *vd = container_of(dev, struct VDAgentChardev, mouse_dev); + InputMoveEvent *move; + InputBtnEvent *btn; + uint32_t xres, yres; + + switch (evt->type) { + case INPUT_EVENT_KIND_ABS: + move = evt->u.abs.data; + xres = qemu_console_get_width(src, 1024); + yres = qemu_console_get_height(src, 768); + if (move->axis == INPUT_AXIS_X) { + vd->mouse_x = qemu_input_scale_axis(move->value, + INPUT_EVENT_ABS_MIN, + INPUT_EVENT_ABS_MAX, + 0, xres); + } else if (move->axis == INPUT_AXIS_Y) { + vd->mouse_y = qemu_input_scale_axis(move->value, + INPUT_EVENT_ABS_MIN, + INPUT_EVENT_ABS_MAX, + 0, yres); + } + vd->mouse_display = qemu_console_get_index(src); + break; + + case INPUT_EVENT_KIND_BTN: + btn = evt->u.btn.data; + if (btn->down) { + vd->mouse_btn |= bmap[btn->button]; + } else { + vd->mouse_btn &= ~bmap[btn->button]; + } + break; + + default: + /* keep gcc happy */ + break; + } +} + +static void vdagent_pointer_sync(DeviceState *dev) +{ + VDAgentChardev *vd = container_of(dev, struct VDAgentChardev, mouse_dev); + + if (vd->caps & (1 << VD_AGENT_CAP_MOUSE_STATE)) { + vdagent_send_mouse(vd); + } +} + +static QemuInputHandler vdagent_mouse_handler = { + .name = "vdagent mouse", + .mask = INPUT_EVENT_MASK_BTN | INPUT_EVENT_MASK_ABS, + .event = vdagent_pointer_event, + .sync = vdagent_pointer_sync, +}; + /* ------------------------------------------------------------------ */ /* chardev backend */ @@ -137,6 +255,19 @@ static void vdagent_chr_open(Chardev *chr, bool *be_opened, Error **errp) { + VDAgentChardev *vd = VDAGENT_CHARDEV(chr); + ChardevVDAgent *cfg = backend->u.vdagent.data; + + vd->mouse = VDAGENT_MOUSE_DEFAULT; + if (cfg->has_mouse) { + vd->mouse = cfg->mouse; + } + + if (vd->mouse) { + vd->mouse_hs = qemu_input_handler_register(&vd->mouse_dev, + &vdagent_mouse_handler); + } + *be_opened = true; } @@ -160,6 +291,9 @@ static void vdagent_chr_recv_caps(VDAgentChardev *vd, VDAgentMessage *msg) if (caps->request) { vdagent_send_caps(vd); } + if (have_mouse(vd) && vd->mouse_hs) { + qemu_input_handler_activate(vd->mouse_hs); + } } static void vdagent_chr_recv_msg(VDAgentChardev *vd, VDAgentMessage *msg) @@ -282,18 +416,34 @@ static void vdagent_chr_set_fe_open(struct Chardev *chr, int fe_open) /* reset state */ vdagent_reset_bufs(vd); vd->caps = 0; + if (vd->mouse_hs) { + qemu_input_handler_deactivate(vd->mouse_hs); + } return; } trace_vdagent_open(); } +static void vdagent_chr_parse(QemuOpts *opts, ChardevBackend *backend, + Error **errp) +{ + ChardevVDAgent *cfg; + + backend->type = CHARDEV_BACKEND_KIND_VDAGENT; + cfg = backend->u.vdagent.data = g_new0(ChardevVDAgent, 1); + qemu_chr_parse_common(opts, qapi_ChardevVDAgent_base(cfg)); + cfg->has_mouse = true; + cfg->mouse = qemu_opt_get_bool(opts, "mouse", VDAGENT_MOUSE_DEFAULT); +} + /* ------------------------------------------------------------------ */ static void vdagent_chr_class_init(ObjectClass *oc, void *data) { ChardevClass *cc = CHARDEV_CLASS(oc); + cc->parse = vdagent_chr_parse; cc->open = vdagent_chr_open; cc->chr_write = vdagent_chr_write; cc->chr_set_fe_open = vdagent_chr_set_fe_open; diff --git a/qapi/char.json b/qapi/char.json index ca5a85f76b3e..880aa8f73333 100644 --- a/qapi/char.json +++ b/qapi/char.json @@ -395,11 +395,13 @@ # # Configuration info for vdagent. # +# @mouse: enable/disable mouse, default is enabled. +# # Since: 6.1 # ## { 'struct': 'ChardevVDAgent', - 'data': { }, + 'data': { '*mouse': 'bool' }, 'base': 'ChardevCommon', 'if': 'defined(CONFIG_SPICE_PROTOCOL)' } From patchwork Fri Apr 23 08:33:48 2021 Content-Type: text/plain; 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Fri, 23 Apr 2021 10:33:52 +0200 (CEST) From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PATCH v4 6/9] ui/vdagent: add clipboard support Date: Fri, 23 Apr 2021 10:33:48 +0200 Message-Id: <20210423083351.2096734-7-kraxel@redhat.com> In-Reply-To: <20210423083351.2096734-1-kraxel@redhat.com> References: <20210423083351.2096734-1-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=kraxel@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no 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: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Paolo Bonzini , Gerd Hoffmann , Markus Armbruster Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This patch adds support for clipboard messages to the qemu vdagent implementation, which allows the guest exchange clipboard data with qemu. Clipboard support can be enabled/disabled using the new 'clipboard' parameter for the vdagent chardev. Default is off. Signed-off-by: Gerd Hoffmann --- chardev/char.c | 3 + ui/vdagent.c | 292 ++++++++++++++++++++++++++++++++++++++++++++++++ qapi/char.json | 4 +- ui/trace-events | 2 + 4 files changed, 300 insertions(+), 1 deletion(-) diff --git a/chardev/char.c b/chardev/char.c index 9714057541fb..39d41d3df7bb 100644 --- a/chardev/char.c +++ b/chardev/char.c @@ -935,6 +935,9 @@ QemuOptsList qemu_chardev_opts = { },{ .name = "mouse", .type = QEMU_OPT_BOOL, + },{ + .name = "clipboard", + .type = QEMU_OPT_BOOL, #ifdef CONFIG_LINUX },{ .name = "tight", diff --git a/ui/vdagent.c b/ui/vdagent.c index e914a33bae20..67044aa5b9f0 100644 --- a/ui/vdagent.c +++ b/ui/vdagent.c @@ -3,6 +3,7 @@ #include "chardev/char.h" #include "hw/qdev-core.h" #include "qemu/option.h" +#include "ui/clipboard.h" #include "ui/console.h" #include "ui/input.h" #include "trace.h" @@ -13,12 +14,14 @@ #include "spice/vd_agent.h" #define VDAGENT_MOUSE_DEFAULT true +#define VDAGENT_CLIPBOARD_DEFAULT false struct VDAgentChardev { Chardev parent; /* config */ bool mouse; + bool clipboard; /* guest vdagent */ uint32_t caps; @@ -36,6 +39,11 @@ struct VDAgentChardev { uint32_t mouse_btn; uint32_t mouse_display; QemuInputHandlerState *mouse_hs; + + /* clipboard */ + QemuClipboardPeer cbpeer; + QemuClipboardInfo *cbinfo[QEMU_CLIPBOARD_SELECTION__COUNT]; + uint32_t cbpending[QEMU_CLIPBOARD_SELECTION__COUNT]; }; typedef struct VDAgentChardev VDAgentChardev; @@ -91,6 +99,24 @@ static const char *msg_name[] = { #endif }; +static const char *sel_name[] = { + [VD_AGENT_CLIPBOARD_SELECTION_CLIPBOARD] = "clipboard", + [VD_AGENT_CLIPBOARD_SELECTION_PRIMARY] = "primary", + [VD_AGENT_CLIPBOARD_SELECTION_SECONDARY] = "secondary", +}; + +static const char *type_name[] = { + [VD_AGENT_CLIPBOARD_NONE] = "none", + [VD_AGENT_CLIPBOARD_UTF8_TEXT] = "text", + [VD_AGENT_CLIPBOARD_IMAGE_PNG] = "png", + [VD_AGENT_CLIPBOARD_IMAGE_BMP] = "bmp", + [VD_AGENT_CLIPBOARD_IMAGE_TIFF] = "tiff", + [VD_AGENT_CLIPBOARD_IMAGE_JPG] = "jpg", +#if 0 + [VD_AGENT_CLIPBOARD_FILE_LIST] = "files", +#endif +}; + #define GET_NAME(_m, _v) \ (((_v) < ARRAY_SIZE(_m) && (_m[_v])) ? (_m[_v]) : "???") @@ -147,6 +173,10 @@ static void vdagent_send_caps(VDAgentChardev *vd) if (vd->mouse) { caps->caps[0] |= (1 << VD_AGENT_CAP_MOUSE_STATE); } + if (vd->clipboard) { + caps->caps[0] |= (1 << VD_AGENT_CAP_CLIPBOARD_BY_DEMAND); + caps->caps[0] |= (1 << VD_AGENT_CAP_CLIPBOARD_SELECTION); + } vdagent_send_msg(vd, msg); } @@ -247,6 +277,243 @@ static QemuInputHandler vdagent_mouse_handler = { .sync = vdagent_pointer_sync, }; +/* ------------------------------------------------------------------ */ +/* clipboard */ + +static bool have_clipboard(VDAgentChardev *vd) +{ + return vd->clipboard && + (vd->caps & (1 << VD_AGENT_CAP_CLIPBOARD_BY_DEMAND)); +} + +static bool have_selection(VDAgentChardev *vd) +{ + return vd->caps & (1 << VD_AGENT_CAP_CLIPBOARD_SELECTION); +} + +static uint32_t type_qemu_to_vdagent(enum QemuClipboardType type) +{ + switch (type) { + case QEMU_CLIPBOARD_TYPE_TEXT: + return VD_AGENT_CLIPBOARD_UTF8_TEXT; + default: + return VD_AGENT_CLIPBOARD_NONE; + } +} + +static void vdagent_send_clipboard_grab(VDAgentChardev *vd, + QemuClipboardInfo *info) +{ + g_autofree VDAgentMessage *msg = g_malloc0(sizeof(VDAgentMessage) + + sizeof(uint32_t) * (QEMU_CLIPBOARD_TYPE__COUNT + 1)); + uint8_t *s = msg->data; + uint32_t *data = (uint32_t *)msg->data; + uint32_t q, type; + + if (have_selection(vd)) { + *s = info->selection; + data++; + msg->size += sizeof(uint32_t); + } else if (info->selection != QEMU_CLIPBOARD_SELECTION_CLIPBOARD) { + return; + } + + for (q = 0; q < QEMU_CLIPBOARD_TYPE__COUNT; q++) { + type = type_qemu_to_vdagent(q); + if (type != VD_AGENT_CLIPBOARD_NONE && info->types[q].available) { + *data = type; + data++; + msg->size += sizeof(uint32_t); + } + } + + msg->type = VD_AGENT_CLIPBOARD_GRAB; + vdagent_send_msg(vd, msg); +} + +static void vdagent_send_clipboard_data(VDAgentChardev *vd, + QemuClipboardInfo *info, + QemuClipboardType type) +{ + g_autofree VDAgentMessage *msg = g_malloc0(sizeof(VDAgentMessage) + + sizeof(uint32_t) * 2 + + info->types[type].size); + + uint8_t *s = msg->data; + uint32_t *data = (uint32_t *)msg->data; + + if (have_selection(vd)) { + *s = info->selection; + data++; + msg->size += sizeof(uint32_t); + } else if (info->selection != QEMU_CLIPBOARD_SELECTION_CLIPBOARD) { + return; + } + + *data = type_qemu_to_vdagent(type); + data++; + msg->size += sizeof(uint32_t); + + memcpy(data, info->types[type].data, info->types[type].size); + msg->size += info->types[type].size; + + msg->type = VD_AGENT_CLIPBOARD; + vdagent_send_msg(vd, msg); +} + +static void vdagent_clipboard_notify(Notifier *notifier, void *data) +{ + VDAgentChardev *vd = container_of(notifier, VDAgentChardev, cbpeer.update); + QemuClipboardInfo *info = data; + QemuClipboardSelection s = info->selection; + QemuClipboardType type; + bool self_update = info->owner == &vd->cbpeer; + + if (info != vd->cbinfo[s]) { + qemu_clipboard_info_put(vd->cbinfo[s]); + vd->cbinfo[s] = qemu_clipboard_info_get(info); + vd->cbpending[s] = 0; + if (!self_update) { + vdagent_send_clipboard_grab(vd, info); + } + return; + } + + if (self_update) { + return; + } + + for (type = 0; type < QEMU_CLIPBOARD_TYPE__COUNT; type++) { + if (vd->cbpending[s] & (1 << type)) { + vd->cbpending[s] &= ~(1 << type); + vdagent_send_clipboard_data(vd, info, type); + } + } +} + +static void vdagent_clipboard_request(QemuClipboardInfo *info, + QemuClipboardType qtype) +{ + VDAgentChardev *vd = container_of(info->owner, VDAgentChardev, cbpeer); + g_autofree VDAgentMessage *msg = g_malloc0(sizeof(VDAgentMessage) + + sizeof(uint32_t) * 2); + uint32_t type = type_qemu_to_vdagent(qtype); + uint8_t *s = msg->data; + uint32_t *data = (uint32_t *)msg->data; + + if (type == VD_AGENT_CLIPBOARD_NONE) { + return; + } + + if (have_selection(vd)) { + *s = info->selection; + data++; + msg->size += sizeof(uint32_t); + } + + *data = type; + msg->size += sizeof(uint32_t); + + msg->type = VD_AGENT_CLIPBOARD_REQUEST; + vdagent_send_msg(vd, msg); +} + +static void vdagent_chr_recv_clipboard(VDAgentChardev *vd, VDAgentMessage *msg) +{ + uint8_t s = VD_AGENT_CLIPBOARD_SELECTION_CLIPBOARD; + uint32_t size = msg->size; + void *data = msg->data; + QemuClipboardInfo *info; + QemuClipboardType type; + + if (have_selection(vd)) { + if (size < 4) { + return; + } + s = *(uint8_t *)data; + if (s >= QEMU_CLIPBOARD_SELECTION__COUNT) { + return; + } + data += 4; + size -= 4; + } + + switch (msg->type) { + case VD_AGENT_CLIPBOARD_GRAB: + trace_vdagent_cb_grab_selection(GET_NAME(sel_name, s)); + info = qemu_clipboard_info_new(&vd->cbpeer, s); + if (size > sizeof(uint32_t) * 10) { + /* + * spice has 6 types as of 2021. Limiting to 10 entries + * so we we have some wiggle room. + */ + return; + } + while (size >= sizeof(uint32_t)) { + trace_vdagent_cb_grab_type(GET_NAME(type_name, *(uint32_t *)data)); + switch (*(uint32_t *)data) { + case VD_AGENT_CLIPBOARD_UTF8_TEXT: + info->types[QEMU_CLIPBOARD_TYPE_TEXT].available = true; + break; + default: + break; + } + data += sizeof(uint32_t); + size -= sizeof(uint32_t); + } + qemu_clipboard_update(info); + qemu_clipboard_info_put(info); + break; + case VD_AGENT_CLIPBOARD_REQUEST: + if (size < sizeof(uint32_t)) { + return; + } + switch (*(uint32_t *)data) { + case VD_AGENT_CLIPBOARD_UTF8_TEXT: + type = QEMU_CLIPBOARD_TYPE_TEXT; + break; + default: + return; + } + if (vd->cbinfo[s] && + vd->cbinfo[s]->types[type].available && + vd->cbinfo[s]->owner != &vd->cbpeer) { + if (vd->cbinfo[s]->types[type].data) { + vdagent_send_clipboard_data(vd, vd->cbinfo[s], type); + } else { + vd->cbpending[s] |= (1 << type); + qemu_clipboard_request(vd->cbinfo[s], type); + } + } + break; + case VD_AGENT_CLIPBOARD: /* data */ + if (size < sizeof(uint32_t)) { + return; + } + switch (*(uint32_t *)data) { + case VD_AGENT_CLIPBOARD_UTF8_TEXT: + type = QEMU_CLIPBOARD_TYPE_TEXT; + break; + default: + return; + } + data += 4; + size -= 4; + qemu_clipboard_set_data(&vd->cbpeer, vd->cbinfo[s], type, + size, data, true); + break; + case VD_AGENT_CLIPBOARD_RELEASE: /* data */ + if (vd->cbinfo[s] && + vd->cbinfo[s]->owner == &vd->cbpeer) { + /* set empty clipboard info */ + info = qemu_clipboard_info_new(NULL, s); + qemu_clipboard_update(info); + qemu_clipboard_info_put(info); + } + break; + } +} + /* ------------------------------------------------------------------ */ /* chardev backend */ @@ -263,6 +530,11 @@ static void vdagent_chr_open(Chardev *chr, vd->mouse = cfg->mouse; } + vd->clipboard = VDAGENT_CLIPBOARD_DEFAULT; + if (cfg->has_clipboard) { + vd->clipboard = cfg->clipboard; + } + if (vd->mouse) { vd->mouse_hs = qemu_input_handler_register(&vd->mouse_dev, &vdagent_mouse_handler); @@ -294,6 +566,12 @@ static void vdagent_chr_recv_caps(VDAgentChardev *vd, VDAgentMessage *msg) if (have_mouse(vd) && vd->mouse_hs) { qemu_input_handler_activate(vd->mouse_hs); } + if (have_clipboard(vd) && vd->cbpeer.update.notify == NULL) { + vd->cbpeer.name = "vdagent"; + vd->cbpeer.update.notify = vdagent_clipboard_notify; + vd->cbpeer.request = vdagent_clipboard_request; + qemu_clipboard_peer_register(&vd->cbpeer); + } } static void vdagent_chr_recv_msg(VDAgentChardev *vd, VDAgentMessage *msg) @@ -304,6 +582,14 @@ static void vdagent_chr_recv_msg(VDAgentChardev *vd, VDAgentMessage *msg) case VD_AGENT_ANNOUNCE_CAPABILITIES: vdagent_chr_recv_caps(vd, msg); break; + case VD_AGENT_CLIPBOARD: + case VD_AGENT_CLIPBOARD_GRAB: + case VD_AGENT_CLIPBOARD_REQUEST: + case VD_AGENT_CLIPBOARD_RELEASE: + if (have_clipboard(vd)) { + vdagent_chr_recv_clipboard(vd, msg); + } + break; default: break; } @@ -419,6 +705,10 @@ static void vdagent_chr_set_fe_open(struct Chardev *chr, int fe_open) if (vd->mouse_hs) { qemu_input_handler_deactivate(vd->mouse_hs); } + if (vd->cbpeer.update.notify) { + qemu_clipboard_peer_unregister(&vd->cbpeer); + memset(&vd->cbpeer, 0, sizeof(vd->cbpeer)); + } return; } @@ -435,6 +725,8 @@ static void vdagent_chr_parse(QemuOpts *opts, ChardevBackend *backend, qemu_chr_parse_common(opts, qapi_ChardevVDAgent_base(cfg)); cfg->has_mouse = true; cfg->mouse = qemu_opt_get_bool(opts, "mouse", VDAGENT_MOUSE_DEFAULT); + cfg->has_clipboard = true; + cfg->clipboard = qemu_opt_get_bool(opts, "clipboard", VDAGENT_CLIPBOARD_DEFAULT); } /* ------------------------------------------------------------------ */ diff --git a/qapi/char.json b/qapi/char.json index 880aa8f73333..a89017c41a63 100644 --- a/qapi/char.json +++ b/qapi/char.json @@ -396,12 +396,14 @@ # Configuration info for vdagent. # # @mouse: enable/disable mouse, default is enabled. +# @clipboard: enable/disable clipboard, default is disabled. # # Since: 6.1 # ## { 'struct': 'ChardevVDAgent', - 'data': { '*mouse': 'bool' }, + 'data': { '*mouse': 'bool', + '*clipboard': 'bool' }, 'base': 'ChardevCommon', 'if': 'defined(CONFIG_SPICE_PROTOCOL)' } diff --git a/ui/trace-events b/ui/trace-events index c34cffb0452b..c86542e2b69b 100644 --- a/ui/trace-events +++ b/ui/trace-events @@ -132,3 +132,5 @@ vdagent_send(const char *name) "msg %s" vdagent_recv_chunk(uint32_t size) "size %d" vdagent_recv_msg(const char *name, uint32_t size) "msg %s, size %d" vdagent_peer_cap(const char *name) "cap %s" +vdagent_cb_grab_selection(const char *name) "selection %s" +vdagent_cb_grab_type(const char *name) "type %s" From patchwork Fri Apr 23 08:33:49 2021 Content-Type: text/plain; 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Fri, 23 Apr 2021 10:33:52 +0200 (CEST) From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PATCH v4 7/9] ui/vnc: clipboard support Date: Fri, 23 Apr 2021 10:33:49 +0200 Message-Id: <20210423083351.2096734-8-kraxel@redhat.com> In-Reply-To: <20210423083351.2096734-1-kraxel@redhat.com> References: <20210423083351.2096734-1-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=kraxel@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=170.10.133.124; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no 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: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Paolo Bonzini , Gerd Hoffmann , Markus Armbruster Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This patch adds support for cut+paste to the qemu vnc server, which allows the vnc client exchange clipbaord data with qemu and other peers like the qemu vdagent implementation. Signed-off-by: Gerd Hoffmann Reviewed-by: Marc-André Lureau --- ui/vnc.h | 24 ++++ ui/vnc-clipboard.c | 323 +++++++++++++++++++++++++++++++++++++++++++++ ui/vnc.c | 20 ++- ui/meson.build | 1 + 4 files changed, 362 insertions(+), 6 deletions(-) create mode 100644 ui/vnc-clipboard.c diff --git a/ui/vnc.h b/ui/vnc.h index d4f3e1555809..a7149831f906 100644 --- a/ui/vnc.h +++ b/ui/vnc.h @@ -29,6 +29,7 @@ #include "qemu/queue.h" #include "qemu/thread.h" +#include "ui/clipboard.h" #include "ui/console.h" #include "audio/audio.h" #include "qemu/bitmap.h" @@ -348,6 +349,10 @@ struct VncState Notifier mouse_mode_notifier; + QemuClipboardPeer cbpeer; + QemuClipboardInfo *cbinfo; + uint32_t cbpending; + QTAILQ_ENTRY(VncState) next; }; @@ -417,6 +422,7 @@ enum { #define VNC_ENCODING_XVP 0XFFFFFECB /* -309 */ #define VNC_ENCODING_ALPHA_CURSOR 0XFFFFFEC6 /* -314 */ #define VNC_ENCODING_WMVi 0x574D5669 +#define VNC_ENCODING_CLIPBOARD_EXT 0xc0a1e5ce /***************************************************************************** * @@ -458,6 +464,7 @@ enum VncFeatures { VNC_FEATURE_ZYWRLE, VNC_FEATURE_LED_STATE, VNC_FEATURE_XVP, + VNC_FEATURE_CLIPBOARD_EXT, }; #define VNC_FEATURE_RESIZE_MASK (1 << VNC_FEATURE_RESIZE) @@ -474,6 +481,7 @@ enum VncFeatures { #define VNC_FEATURE_ZYWRLE_MASK (1 << VNC_FEATURE_ZYWRLE) #define VNC_FEATURE_LED_STATE_MASK (1 << VNC_FEATURE_LED_STATE) #define VNC_FEATURE_XVP_MASK (1 << VNC_FEATURE_XVP) +#define VNC_FEATURE_CLIPBOARD_EXT_MASK (1 << VNC_FEATURE_CLIPBOARD_EXT) /* Client -> Server message IDs */ @@ -535,6 +543,17 @@ enum VncFeatures { #define VNC_XVP_ACTION_REBOOT 3 #define VNC_XVP_ACTION_RESET 4 +/* extended clipboard flags */ +#define VNC_CLIPBOARD_TEXT (1 << 0) +#define VNC_CLIPBOARD_RTF (1 << 1) +#define VNC_CLIPBOARD_HTML (1 << 2) +#define VNC_CLIPBOARD_DIB (1 << 3) +#define VNC_CLIPBOARD_FILES (1 << 4) +#define VNC_CLIPBOARD_CAPS (1 << 24) +#define VNC_CLIPBOARD_REQUEST (1 << 25) +#define VNC_CLIPBOARD_PEEK (1 << 26) +#define VNC_CLIPBOARD_NOTIFY (1 << 27) +#define VNC_CLIPBOARD_PROVIDE (1 << 28) /***************************************************************************** * @@ -618,4 +637,9 @@ int vnc_zrle_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); int vnc_zywrle_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); void vnc_zrle_clear(VncState *vs); +/* vnc-clipboard.c */ +void vnc_server_cut_text_caps(VncState *vs); +void vnc_client_cut_text(VncState *vs, size_t len, uint8_t *text); +void vnc_client_cut_text_ext(VncState *vs, int32_t len, uint32_t flags, uint8_t *data); + #endif /* QEMU_VNC_H */ diff --git a/ui/vnc-clipboard.c b/ui/vnc-clipboard.c new file mode 100644 index 000000000000..10ada8004f38 --- /dev/null +++ b/ui/vnc-clipboard.c @@ -0,0 +1,323 @@ +/* + * QEMU VNC display driver -- clipboard support + * + * Copyright (C) 2021 Gerd Hoffmann + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "qemu/osdep.h" +#include "qemu-common.h" +#include "vnc.h" +#include "vnc-jobs.h" + +static uint8_t *inflate_buffer(uint8_t *in, uint32_t in_len, uint32_t *size) +{ + z_stream stream = { + .next_in = in, + .avail_in = in_len, + .zalloc = Z_NULL, + .zfree = Z_NULL, + }; + uint32_t out_len = 8; + uint8_t *out = g_malloc(out_len); + int ret; + + stream.next_out = out + stream.total_out; + stream.avail_out = out_len - stream.total_out; + + ret = inflateInit(&stream); + if (ret != Z_OK) { + goto err; + } + + while (stream.avail_in) { + ret = inflate(&stream, Z_FINISH); + switch (ret) { + case Z_OK: + case Z_STREAM_END: + break; + case Z_BUF_ERROR: + out_len <<= 1; + if (out_len > (1 << 20)) { + goto err_end; + } + out = g_realloc(out, out_len); + stream.next_out = out + stream.total_out; + stream.avail_out = out_len - stream.total_out; + break; + default: + goto err_end; + } + } + + *size = stream.total_out; + inflateEnd(&stream); + + return out; + +err_end: + inflateEnd(&stream); +err: + g_free(out); + return NULL; +} + +static uint8_t *deflate_buffer(uint8_t *in, uint32_t in_len, uint32_t *size) +{ + z_stream stream = { + .next_in = in, + .avail_in = in_len, + .zalloc = Z_NULL, + .zfree = Z_NULL, + }; + uint32_t out_len = 8; + uint8_t *out = g_malloc(out_len); + int ret; + + stream.next_out = out + stream.total_out; + stream.avail_out = out_len - stream.total_out; + + ret = deflateInit(&stream, Z_DEFAULT_COMPRESSION); + if (ret != Z_OK) { + goto err; + } + + while (ret != Z_STREAM_END) { + ret = deflate(&stream, Z_FINISH); + switch (ret) { + case Z_OK: + case Z_STREAM_END: + break; + case Z_BUF_ERROR: + out_len <<= 1; + if (out_len > (1 << 20)) { + goto err_end; + } + out = g_realloc(out, out_len); + stream.next_out = out + stream.total_out; + stream.avail_out = out_len - stream.total_out; + break; + default: + goto err_end; + } + } + + *size = stream.total_out; + deflateEnd(&stream); + + return out; + +err_end: + deflateEnd(&stream); +err: + g_free(out); + return NULL; +} + +static void vnc_clipboard_send(VncState *vs, uint32_t count, uint32_t *dwords) +{ + int i; + + vnc_lock_output(vs); + vnc_write_u8(vs, VNC_MSG_SERVER_CUT_TEXT); + vnc_write_u8(vs, 0); + vnc_write_u8(vs, 0); + vnc_write_u8(vs, 0); + vnc_write_s32(vs, -(count * sizeof(uint32_t))); /* -(message length) */ + for (i = 0; i < count; i++) { + vnc_write_u32(vs, dwords[i]); + } + vnc_unlock_output(vs); + vnc_flush(vs); +} + +static void vnc_clipboard_provide(VncState *vs, + QemuClipboardInfo *info, + QemuClipboardType type) +{ + uint32_t flags = 0; + g_autofree uint8_t *buf = NULL; + g_autofree void *zbuf = NULL; + uint32_t zsize; + + switch (type) { + case QEMU_CLIPBOARD_TYPE_TEXT: + flags |= VNC_CLIPBOARD_TEXT; + break; + default: + return; + } + flags |= VNC_CLIPBOARD_PROVIDE; + + buf = g_malloc(info->types[type].size + 4); + buf[0] = (info->types[type].size >> 24) & 0xff; + buf[1] = (info->types[type].size >> 16) & 0xff; + buf[2] = (info->types[type].size >> 8) & 0xff; + buf[3] = (info->types[type].size >> 0) & 0xff; + memcpy(buf + 4, info->types[type].data, info->types[type].size); + zbuf = deflate_buffer(buf, info->types[type].size + 4, &zsize); + if (!zbuf) { + return; + } + + vnc_lock_output(vs); + vnc_write_u8(vs, VNC_MSG_SERVER_CUT_TEXT); + vnc_write_u8(vs, 0); + vnc_write_u8(vs, 0); + vnc_write_u8(vs, 0); + vnc_write_s32(vs, -(sizeof(uint32_t) + zsize)); /* -(message length) */ + vnc_write_u32(vs, flags); + vnc_write(vs, zbuf, zsize); + vnc_unlock_output(vs); + vnc_flush(vs); +} + +static void vnc_clipboard_notify(Notifier *notifier, void *data) +{ + VncState *vs = container_of(notifier, VncState, cbpeer.update); + QemuClipboardInfo *info = data; + QemuClipboardType type; + bool self_update = info->owner == &vs->cbpeer; + uint32_t flags = 0; + + if (info != vs->cbinfo) { + qemu_clipboard_info_put(vs->cbinfo); + vs->cbinfo = qemu_clipboard_info_get(info); + vs->cbpending = 0; + if (!self_update) { + if (info->types[QEMU_CLIPBOARD_TYPE_TEXT].available) { + flags |= VNC_CLIPBOARD_TEXT; + } + flags |= VNC_CLIPBOARD_NOTIFY; + vnc_clipboard_send(vs, 1, &flags); + } + return; + } + + if (self_update) { + return; + } + + for (type = 0; type < QEMU_CLIPBOARD_TYPE__COUNT; type++) { + if (vs->cbpending & (1 << type)) { + vs->cbpending &= ~(1 << type); + vnc_clipboard_provide(vs, info, type); + } + } +} + +static void vnc_clipboard_request(QemuClipboardInfo *info, + QemuClipboardType type) +{ + VncState *vs = container_of(info->owner, VncState, cbpeer); + uint32_t flags = 0; + + if (type == QEMU_CLIPBOARD_TYPE_TEXT) { + flags |= VNC_CLIPBOARD_TEXT; + } + if (!flags) { + return; + } + flags |= VNC_CLIPBOARD_REQUEST; + + vnc_clipboard_send(vs, 1, &flags); +} + +void vnc_client_cut_text_ext(VncState *vs, int32_t len, uint32_t flags, uint8_t *data) +{ + if (flags & VNC_CLIPBOARD_CAPS) { + /* need store caps somewhere ? */ + return; + } + + if (flags & VNC_CLIPBOARD_NOTIFY) { + QemuClipboardInfo *info = + qemu_clipboard_info_new(&vs->cbpeer, QEMU_CLIPBOARD_SELECTION_CLIPBOARD); + if (flags & VNC_CLIPBOARD_TEXT) { + info->types[QEMU_CLIPBOARD_TYPE_TEXT].available = true; + } + qemu_clipboard_update(info); + qemu_clipboard_info_put(info); + return; + } + + if (flags & VNC_CLIPBOARD_PROVIDE && + vs->cbinfo && + vs->cbinfo->owner == &vs->cbpeer) { + uint32_t size = 0; + g_autofree uint8_t *buf = inflate_buffer(data, len - 4, &size); + if ((flags & VNC_CLIPBOARD_TEXT) && + buf && size >= 4) { + uint32_t tsize = read_u32(buf, 0); + uint8_t *tbuf = buf + 4; + if (tsize < size) { + qemu_clipboard_set_data(&vs->cbpeer, vs->cbinfo, + QEMU_CLIPBOARD_TYPE_TEXT, + tsize, tbuf, true); + } + } + } + + if (flags & VNC_CLIPBOARD_REQUEST && + vs->cbinfo && + vs->cbinfo->owner != &vs->cbpeer) { + if ((flags & VNC_CLIPBOARD_TEXT) && + vs->cbinfo->types[QEMU_CLIPBOARD_TYPE_TEXT].available) { + if (vs->cbinfo->types[QEMU_CLIPBOARD_TYPE_TEXT].data) { + vnc_clipboard_provide(vs, vs->cbinfo, QEMU_CLIPBOARD_TYPE_TEXT); + } else { + vs->cbpending |= (1 << QEMU_CLIPBOARD_TYPE_TEXT); + qemu_clipboard_request(vs->cbinfo, QEMU_CLIPBOARD_TYPE_TEXT); + } + } + } +} + +void vnc_client_cut_text(VncState *vs, size_t len, uint8_t *text) +{ + QemuClipboardInfo *info = + qemu_clipboard_info_new(&vs->cbpeer, QEMU_CLIPBOARD_SELECTION_CLIPBOARD); + + qemu_clipboard_set_data(&vs->cbpeer, info, QEMU_CLIPBOARD_TYPE_TEXT, + len, text, true); + qemu_clipboard_info_put(info); +} + +void vnc_server_cut_text_caps(VncState *vs) +{ + uint32_t caps[2]; + + if (!vnc_has_feature(vs, VNC_FEATURE_CLIPBOARD_EXT)) { + return; + } + + caps[0] = (VNC_CLIPBOARD_PROVIDE | + VNC_CLIPBOARD_NOTIFY | + VNC_CLIPBOARD_REQUEST | + VNC_CLIPBOARD_CAPS | + VNC_CLIPBOARD_TEXT); + caps[1] = 0; + vnc_clipboard_send(vs, 2, caps); + + vs->cbpeer.name = "vnc"; + vs->cbpeer.update.notify = vnc_clipboard_notify; + vs->cbpeer.request = vnc_clipboard_request; + qemu_clipboard_peer_register(&vs->cbpeer); +} diff --git a/ui/vnc.c b/ui/vnc.c index 456db47d713d..1d7f7f326c52 100644 --- a/ui/vnc.c +++ b/ui/vnc.c @@ -25,6 +25,7 @@ */ #include "qemu/osdep.h" +#include "qemu-common.h" #include "vnc.h" #include "vnc-jobs.h" #include "trace.h" @@ -1352,6 +1353,9 @@ void vnc_disconnect_finish(VncState *vs) /* last client gone */ vnc_update_server_surface(vs->vd); } + if (vs->cbpeer.update.notify) { + qemu_clipboard_peer_unregister(&vs->cbpeer); + } vnc_unlock_output(vs); @@ -1777,10 +1781,6 @@ uint32_t read_u32(uint8_t *data, size_t offset) (data[offset + 2] << 8) | data[offset + 3]); } -static void client_cut_text(VncState *vs, size_t len, uint8_t *text) -{ -} - static void check_pointer_type_change(Notifier *notifier, void *data) { VncState *vs = container_of(notifier, VncState, mouse_mode_notifier); @@ -2222,6 +2222,10 @@ static void set_encodings(VncState *vs, int32_t *encodings, size_t n_encodings) send_xvp_message(vs, VNC_XVP_CODE_INIT); } break; + case VNC_ENCODING_CLIPBOARD_EXT: + vs->features |= VNC_FEATURE_CLIPBOARD_EXT_MASK; + vnc_server_cut_text_caps(vs); + break; case VNC_ENCODING_COMPRESSLEVEL0 ... VNC_ENCODING_COMPRESSLEVEL0 + 9: vs->tight->compression = (enc & 0x0F); break; @@ -2438,7 +2442,7 @@ static int protocol_client_msg(VncState *vs, uint8_t *data, size_t len) return 8; } if (len == 8) { - uint32_t dlen = read_u32(data, 4); + uint32_t dlen = abs(read_s32(data, 4)); if (dlen > (1 << 20)) { error_report("vnc: client_cut_text msg payload has %u bytes" " which exceeds our limit of 1MB.", dlen); @@ -2450,7 +2454,11 @@ static int protocol_client_msg(VncState *vs, uint8_t *data, size_t len) } } - client_cut_text(vs, read_u32(data, 4), data + 8); + if (read_s32(data, 4) < 0) { + vnc_client_cut_text_ext(vs, abs(read_s32(data, 4)), read_u32(data, 8), data + 12); + break; + } + vnc_client_cut_text(vs, read_u32(data, 4), data + 8); break; case VNC_MSG_CLIENT_XVP: if (!(vs->features & VNC_FEATURE_XVP)) { diff --git a/ui/meson.build b/ui/meson.build index bad49fb6de60..f37ef882e0e3 100644 --- a/ui/meson.build +++ b/ui/meson.build @@ -30,6 +30,7 @@ vnc_ss.add(files( 'vnc-auth-vencrypt.c', 'vnc-ws.c', 'vnc-jobs.c', + 'vnc-clipboard.c', )) vnc_ss.add(zlib, png, jpeg, gnutls) vnc_ss.add(when: sasl, if_true: files('vnc-auth-sasl.c')) From patchwork Fri Apr 23 08:33:50 2021 Content-Type: text/plain; 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Fri, 23 Apr 2021 10:33:52 +0200 (CEST) From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PATCH v4 8/9] ui/gtk: move struct GtkDisplayState to ui/gtk.h Date: Fri, 23 Apr 2021 10:33:50 +0200 Message-Id: <20210423083351.2096734-9-kraxel@redhat.com> In-Reply-To: <20210423083351.2096734-1-kraxel@redhat.com> References: <20210423083351.2096734-1-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=kraxel@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no 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: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Paolo Bonzini , Gerd Hoffmann , Markus Armbruster Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Want place gtk clipboard code in a separate C file, which in turn requires GtkDisplayState being in a header file. So move it. No functional change. Signed-off-by: Gerd Hoffmann Reviewed-by: Marc-André Lureau --- include/ui/gtk.h | 57 ++++++++++++++++++++++++++++++++++++++++++++++++ ui/gtk.c | 55 ---------------------------------------------- 2 files changed, 57 insertions(+), 55 deletions(-) diff --git a/include/ui/gtk.h b/include/ui/gtk.h index 5ae0ad60a600..6e751794043f 100644 --- a/include/ui/gtk.h +++ b/include/ui/gtk.h @@ -18,12 +18,15 @@ #include #endif +#include "ui/console.h" #include "ui/kbd-state.h" #if defined(CONFIG_OPENGL) #include "ui/egl-helpers.h" #include "ui/egl-context.h" #endif +#define MAX_VCS 10 + typedef struct GtkDisplayState GtkDisplayState; typedef struct VirtualGfxConsole { @@ -83,6 +86,60 @@ typedef struct VirtualConsole { }; } VirtualConsole; +struct GtkDisplayState { + GtkWidget *window; + + GtkWidget *menu_bar; + + GtkAccelGroup *accel_group; + + GtkWidget *machine_menu_item; + GtkWidget *machine_menu; + GtkWidget *pause_item; + GtkWidget *reset_item; + GtkWidget *powerdown_item; + GtkWidget *quit_item; + + GtkWidget *view_menu_item; + GtkWidget *view_menu; + GtkWidget *full_screen_item; + GtkWidget *copy_item; + GtkWidget *zoom_in_item; + GtkWidget *zoom_out_item; + GtkWidget *zoom_fixed_item; + GtkWidget *zoom_fit_item; + GtkWidget *grab_item; + GtkWidget *grab_on_hover_item; + + int nb_vcs; + VirtualConsole vc[MAX_VCS]; + + GtkWidget *show_tabs_item; + GtkWidget *untabify_item; + GtkWidget *show_menubar_item; + + GtkWidget *vbox; + GtkWidget *notebook; + int button_mask; + gboolean last_set; + int last_x; + int last_y; + int grab_x_root; + int grab_y_root; + VirtualConsole *kbd_owner; + VirtualConsole *ptr_owner; + + gboolean full_screen; + + GdkCursor *null_cursor; + Notifier mouse_mode_notifier; + gboolean free_scale; + + bool external_pause_update; + + DisplayOptions *opts; +}; + extern bool gtk_use_gl_area; /* ui/gtk.c */ diff --git a/ui/gtk.c b/ui/gtk.c index 1ea12535284a..7da288a25156 100644 --- a/ui/gtk.c +++ b/ui/gtk.c @@ -60,7 +60,6 @@ #include "chardev/char.h" #include "qom/object.h" -#define MAX_VCS 10 #define VC_WINDOW_X_MIN 320 #define VC_WINDOW_Y_MIN 240 #define VC_TERM_X_MIN 80 @@ -119,60 +118,6 @@ static const guint16 *keycode_map; static size_t keycode_maplen; -struct GtkDisplayState { - GtkWidget *window; - - GtkWidget *menu_bar; - - GtkAccelGroup *accel_group; - - GtkWidget *machine_menu_item; - GtkWidget *machine_menu; - GtkWidget *pause_item; - GtkWidget *reset_item; - GtkWidget *powerdown_item; - GtkWidget *quit_item; - - GtkWidget *view_menu_item; - GtkWidget *view_menu; - GtkWidget *full_screen_item; - GtkWidget *copy_item; - GtkWidget *zoom_in_item; - GtkWidget *zoom_out_item; - GtkWidget *zoom_fixed_item; - GtkWidget *zoom_fit_item; - GtkWidget *grab_item; - GtkWidget *grab_on_hover_item; - - int nb_vcs; - VirtualConsole vc[MAX_VCS]; - - GtkWidget *show_tabs_item; - GtkWidget *untabify_item; - GtkWidget *show_menubar_item; - - GtkWidget *vbox; - GtkWidget *notebook; - int button_mask; - gboolean last_set; - int last_x; - int last_y; - int grab_x_root; - int grab_y_root; - VirtualConsole *kbd_owner; - VirtualConsole *ptr_owner; - - gboolean full_screen; - - GdkCursor *null_cursor; - Notifier mouse_mode_notifier; - gboolean free_scale; - - bool external_pause_update; - - DisplayOptions *opts; -}; - struct VCChardev { Chardev parent; VirtualConsole *console; From patchwork Fri Apr 23 08:33:51 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 12219903 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=-13.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 9DB9EC433B4 for ; Fri, 23 Apr 2021 08:41:42 +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 C3AA961153 for ; 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Fri, 23 Apr 2021 08:34:20 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-112-178.ams2.redhat.com [10.36.112.178]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 3F33919C71; Fri, 23 Apr 2021 08:34:13 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 7189B180087A; Fri, 23 Apr 2021 10:33:52 +0200 (CEST) From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PATCH v4 9/9] ui/gtk: add clipboard support Date: Fri, 23 Apr 2021 10:33:51 +0200 Message-Id: <20210423083351.2096734-10-kraxel@redhat.com> In-Reply-To: <20210423083351.2096734-1-kraxel@redhat.com> References: <20210423083351.2096734-1-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=kraxel@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=170.10.133.124; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no 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: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Paolo Bonzini , Gerd Hoffmann , Markus Armbruster Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This patch adds clipboard support to the qemu gtk ui. Signed-off-by: Gerd Hoffmann --- include/ui/gtk.h | 10 +++ ui/gtk-clipboard.c | 192 +++++++++++++++++++++++++++++++++++++++++++++ ui/gtk.c | 1 + ui/meson.build | 2 +- 4 files changed, 204 insertions(+), 1 deletion(-) create mode 100644 ui/gtk-clipboard.c diff --git a/include/ui/gtk.h b/include/ui/gtk.h index 6e751794043f..9516670ebc87 100644 --- a/include/ui/gtk.h +++ b/include/ui/gtk.h @@ -18,6 +18,7 @@ #include #endif +#include "ui/clipboard.h" #include "ui/console.h" #include "ui/kbd-state.h" #if defined(CONFIG_OPENGL) @@ -137,6 +138,12 @@ struct GtkDisplayState { bool external_pause_update; + QemuClipboardPeer cbpeer; + QemuClipboardInfo *cbinfo[QEMU_CLIPBOARD_SELECTION__COUNT]; + uint32_t cbpending[QEMU_CLIPBOARD_SELECTION__COUNT]; + GtkClipboard *gtkcb[QEMU_CLIPBOARD_SELECTION__COUNT]; + bool cbowner[QEMU_CLIPBOARD_SELECTION__COUNT]; + DisplayOptions *opts; }; @@ -207,4 +214,7 @@ void gtk_gl_area_init(void); int gd_gl_area_make_current(DisplayChangeListener *dcl, QEMUGLContext ctx); +/* gtk-clipboard.c */ +void gd_clipboard_init(GtkDisplayState *gd); + #endif /* UI_GTK_H */ diff --git a/ui/gtk-clipboard.c b/ui/gtk-clipboard.c new file mode 100644 index 000000000000..21f8b39e9c54 --- /dev/null +++ b/ui/gtk-clipboard.c @@ -0,0 +1,192 @@ +/* + * GTK UI -- clipboard support + * + * Copyright (C) 2021 Gerd Hoffmann + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + * + */ + +#include "qemu/osdep.h" +#include "qemu-common.h" +#include "qemu/main-loop.h" + +#include "ui/gtk.h" + +static QemuClipboardSelection gd_find_selection(GtkDisplayState *gd, + GtkClipboard *clipboard) +{ + QemuClipboardSelection s; + + for (s = 0; s < QEMU_CLIPBOARD_SELECTION__COUNT; s++) { + if (gd->gtkcb[s] == clipboard) { + return s; + } + } + return QEMU_CLIPBOARD_SELECTION_CLIPBOARD; +} + +static void gd_clipboard_get_data(GtkClipboard *clipboard, + GtkSelectionData *selection_data, + guint selection_info, + gpointer data) +{ + GtkDisplayState *gd = data; + QemuClipboardSelection s = gd_find_selection(gd, clipboard); + QemuClipboardType type = QEMU_CLIPBOARD_TYPE_TEXT; + QemuClipboardInfo *info = qemu_clipboard_info_get(gd->cbinfo[s]); + + qemu_clipboard_request(info, type); + while (info == gd->cbinfo[s] && + info->types[type].available && + info->types[type].data == NULL) { + main_loop_wait(false); + } + + if (info == gd->cbinfo[s] && gd->cbowner[s]) { + gtk_selection_data_set_text(selection_data, + info->types[type].data, + info->types[type].size); + } else { + /* clipboard owner changed while waiting for the data */ + } + + qemu_clipboard_info_put(info); +} + +static void gd_clipboard_clear(GtkClipboard *clipboard, + gpointer data) +{ + GtkDisplayState *gd = data; + QemuClipboardSelection s = gd_find_selection(gd, clipboard); + + gd->cbowner[s] = false; +} + +static void gd_clipboard_notify(Notifier *notifier, void *data) +{ + GtkDisplayState *gd = container_of(notifier, GtkDisplayState, cbpeer.update); + QemuClipboardInfo *info = data; + QemuClipboardSelection s = info->selection; + bool self_update = info->owner == &gd->cbpeer; + + if (info != gd->cbinfo[s]) { + qemu_clipboard_info_put(gd->cbinfo[s]); + gd->cbinfo[s] = qemu_clipboard_info_get(info); + gd->cbpending[s] = 0; + if (!self_update) { + GtkTargetList *list; + GtkTargetEntry *targets; + gint n_targets; + + list = gtk_target_list_new(NULL, 0); + if (info->types[QEMU_CLIPBOARD_TYPE_TEXT].available) { + gtk_target_list_add_text_targets(list, 0); + } + targets = gtk_target_table_new_from_list(list, &n_targets); + + gtk_clipboard_clear(gd->gtkcb[s]); + gd->cbowner[s] = true; + gtk_clipboard_set_with_data(gd->gtkcb[s], + targets, n_targets, + gd_clipboard_get_data, + gd_clipboard_clear, + gd); + + gtk_target_table_free(targets, n_targets); + gtk_target_list_unref(list); + } + return; + } + + if (self_update) { + return; + } + + /* + * Clipboard got updated, with data probably. No action here, we + * are waiting for updates in gd_clipboard_get_data(). + */ +} + +static void gd_clipboard_request(QemuClipboardInfo *info, + QemuClipboardType type) +{ + GtkDisplayState *gd = container_of(info->owner, GtkDisplayState, cbpeer); + char *text; + + switch (type) { + case QEMU_CLIPBOARD_TYPE_TEXT: + text = gtk_clipboard_wait_for_text(gd->gtkcb[info->selection]); + if (text) { + qemu_clipboard_set_data(&gd->cbpeer, info, type, + strlen(text), text, true); + g_free(text); + } + break; + default: + break; + } +} + +static void gd_owner_change(GtkClipboard *clipboard, + GdkEvent *event, + gpointer data) +{ + GtkDisplayState *gd = data; + QemuClipboardSelection s = gd_find_selection(gd, clipboard); + QemuClipboardInfo *info; + + if (gd->cbowner[s]) { + /* ignore notifications about our own grabs */ + return; + } + + + switch (event->owner_change.reason) { + case GDK_SETTING_ACTION_NEW: + info = qemu_clipboard_info_new(&gd->cbpeer, s); + if (gtk_clipboard_wait_is_text_available(clipboard)) { + info->types[QEMU_CLIPBOARD_TYPE_TEXT].available = true; + } + + qemu_clipboard_update(info); + qemu_clipboard_info_put(info); + break; + default: + break; + } +} + +void gd_clipboard_init(GtkDisplayState *gd) +{ + gd->cbpeer.name = "gtk"; + gd->cbpeer.update.notify = gd_clipboard_notify; + gd->cbpeer.request = gd_clipboard_request; + qemu_clipboard_peer_register(&gd->cbpeer); + + gd->gtkcb[QEMU_CLIPBOARD_SELECTION_CLIPBOARD] = + gtk_clipboard_get(gdk_atom_intern("CLIPBOARD", FALSE)); + gd->gtkcb[QEMU_CLIPBOARD_SELECTION_PRIMARY] = + gtk_clipboard_get(gdk_atom_intern("PRIMARY", FALSE)); + gd->gtkcb[QEMU_CLIPBOARD_SELECTION_SECONDARY] = + gtk_clipboard_get(gdk_atom_intern("SECONDARY", FALSE)); + + g_signal_connect(gd->gtkcb[QEMU_CLIPBOARD_SELECTION_CLIPBOARD], + "owner-change", G_CALLBACK(gd_owner_change), gd); + g_signal_connect(gd->gtkcb[QEMU_CLIPBOARD_SELECTION_PRIMARY], + "owner-change", G_CALLBACK(gd_owner_change), gd); + g_signal_connect(gd->gtkcb[QEMU_CLIPBOARD_SELECTION_SECONDARY], + "owner-change", G_CALLBACK(gd_owner_change), gd); +} diff --git a/ui/gtk.c b/ui/gtk.c index 7da288a25156..98046f577b9d 100644 --- a/ui/gtk.c +++ b/ui/gtk.c @@ -2267,6 +2267,7 @@ static void gtk_display_init(DisplayState *ds, DisplayOptions *opts) opts->u.gtk.grab_on_hover) { gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item)); } + gd_clipboard_init(s); } static void early_gtk_display_init(DisplayOptions *opts) diff --git a/ui/meson.build b/ui/meson.build index f37ef882e0e3..b5aed14886cf 100644 --- a/ui/meson.build +++ b/ui/meson.build @@ -65,7 +65,7 @@ if gtk.found() softmmu_ss.add(when: 'CONFIG_WIN32', if_true: files('win32-kbd-hook.c')) gtk_ss = ss.source_set() - gtk_ss.add(gtk, vte, pixman, files('gtk.c')) + gtk_ss.add(gtk, vte, pixman, files('gtk.c', 'gtk-clipboard.c')) gtk_ss.add(when: x11, if_true: files('x_keymap.c')) gtk_ss.add(when: [opengl, 'CONFIG_OPENGL'], if_true: files('gtk-gl-area.c')) gtk_ss.add(when: [x11, opengl, 'CONFIG_OPENGL'], if_true: files('gtk-egl.c'))