/**************************************************************************** ** ** Copyright (C) 2017 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the plugins of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 3 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL3 included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 3 requirements ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 2.0 or (at your option) the GNU General ** Public license version 3 or any later version approved by the KDE Free ** Qt Foundation. The licenses are as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 ** included in the packaging of this file. Please review the following ** information to ensure the GNU General Public License requirements will ** be met: https://www.gnu.org/licenses/gpl-2.0.html and ** https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include "qwindowsdropdataobject.h" #include #include #include "qwindowsmime.h" QT_BEGIN_NAMESPACE /*! \class QWindowsDropDataObject \brief QWindowsOleDataObject subclass specialized for handling Drag&Drop. Prevents "text/uri-list" data for local files from being exported as text or URLs, to allow dropped files to be attached to Office applications (instead of creating local hyperlinks). \internal */ QWindowsDropDataObject::QWindowsDropDataObject(QMimeData *mimeData) : QWindowsOleDataObject(mimeData) { } QWindowsDropDataObject::~QWindowsDropDataObject() = default; STDMETHODIMP QWindowsDropDataObject::GetData(LPFORMATETC pformatetc, LPSTGMEDIUM pmedium) { if (shouldIgnore(pformatetc)) return ResultFromScode(DATA_E_FORMATETC); return QWindowsOleDataObject::GetData(pformatetc, pmedium); } STDMETHODIMP QWindowsDropDataObject::QueryGetData(LPFORMATETC pformatetc) { if (shouldIgnore(pformatetc)) return ResultFromScode(DATA_E_FORMATETC); return QWindowsOleDataObject::QueryGetData(pformatetc); } // If the data is "text/uri-list" only, and all URIs are for local files, // we prevent it from being exported as text or URLs, to make target applications // like MS Office attach or open the files instead of creating local hyperlinks. bool QWindowsDropDataObject::shouldIgnore(LPFORMATETC pformatetc) const { QMimeData *dropData = mimeData(); if (dropData && dropData->formats().size() == 1 && dropData->hasUrls()) { QString formatName = QWindowsMimeConverter::clipboardFormatName(pformatetc->cfFormat); if (pformatetc->cfFormat == CF_UNICODETEXT || pformatetc->cfFormat == CF_TEXT || formatName == QStringLiteral("UniformResourceLocator") || formatName == QStringLiteral("UniformResourceLocatorW")) { const auto urls = dropData->urls(); return std::all_of(urls.cbegin(), urls.cend(), [] (const QUrl &u) { return u.isLocalFile(); }); } } return false; } QT_END_NAMESPACE