From mboxrd@z Thu Jan 1 00:00:00 1970 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 6909FC433DB for ; Fri, 26 Mar 2021 09:27:43 +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 BE75A61A2D for ; Fri, 26 Mar 2021 09:27:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BE75A61A2D 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]:36214 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lPikn-0007zm-Kl for qemu-devel@archiver.kernel.org; Fri, 26 Mar 2021 05:27:41 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:45922) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lPiiE-0006Zo-5E for qemu-devel@nongnu.org; Fri, 26 Mar 2021 05:25:02 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:25068) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lPiiC-0001Yp-5K for qemu-devel@nongnu.org; Fri, 26 Mar 2021 05:25:01 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1616750699; 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=M/3F6Eu421m1jbB/t3b1ThUs8g+1gTxz96B4RTjH9P8=; b=QuRlmqwQBj56Pgab0h6cs/xfzRL8clhHf7vvB5lDtpi/DPhQA3Hqg1dLeGH2hiNXmYlQ2p xwZEvu2UZAWF1+Kgf3HUhQJB5deNVmY4pNaEICHhoiLmvNR5rhHC0Fb19dGTFW2AoJQq4e QPXjE9s4vOCUwlAvYLy6xx/bLsLPLMs= 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-301-iAaNG88VOO2EF6iRbD0Xtw-1; Fri, 26 Mar 2021 05:24:57 -0400 X-MC-Unique: iAaNG88VOO2EF6iRbD0Xtw-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 43EEA10199AA for ; Fri, 26 Mar 2021 09:24:56 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-112-102.ams2.redhat.com [10.36.112.102]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 34C301992D; Fri, 26 Mar 2021 09:24:50 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 999FD1800386; Fri, 26 Mar 2021 10:24:48 +0100 (CET) From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PATCH v3 1/7] ui: add clipboard infrastructure Date: Fri, 26 Mar 2021 10:24:42 +0100 Message-Id: <20210326092448.367016-2-kraxel@redhat.com> In-Reply-To: <20210326092448.367016-1-kraxel@redhat.com> References: <20210326092448.367016-1-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 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII" 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: Paolo Bonzini , Gerd Hoffmann , Markus Armbruster , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Add some infrastructure to manage the clipboard in qemu. TODO: Add API docs. Signed-off-by: Gerd Hoffmann --- include/ui/clipboard.h | 68 +++++++++++++++++++++++++++++++ ui/clipboard.c | 92 ++++++++++++++++++++++++++++++++++++++++++ ui/meson.build | 1 + 3 files changed, 161 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..00ff559425ee --- /dev/null +++ b/include/ui/clipboard.h @@ -0,0 +1,68 @@ +#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]; +}; + +struct QemuClipboardData { + uint32_t refcount; + QemuClipboardInfo *info; + QemuClipboardType type; +}; + +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', -- 2.30.2