1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2016 The Qt Company Ltd. 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of the plugins of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see https://www.qt.io/terms-conditions. For further 15 ** information use the contact form at https://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 3 as published by the Free Software 20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the 21 ** packaging of this file. Please review the following information to 22 ** ensure the GNU Lesser General Public License version 3 requirements 23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. 24 ** 25 ** GNU General Public License Usage 26 ** Alternatively, this file may be used under the terms of the GNU 27 ** General Public License version 2.0 or (at your option) the GNU General 28 ** Public license version 3 or any later version approved by the KDE Free 29 ** Qt Foundation. The licenses are as published by the Free Software 30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 31 ** included in the packaging of this file. Please review the following 32 ** information to ensure the GNU General Public License requirements will 33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and 34 ** https://www.gnu.org/licenses/gpl-3.0.html. 35 ** 36 ** $QT_END_LICENSE$ 37 ** 38 ****************************************************************************/ 39 40 #ifndef QWINDOWSOLE_H 41 #define QWINDOWSOLE_H 42 43 #include "qwindowscombase.h" 44 #include <QtCore/qt_windows.h> 45 46 #include <QtCore/qmap.h> 47 #include <QtCore/qpointer.h> 48 #include <QtCore/qvector.h> 49 50 #include <objidl.h> 51 52 QT_BEGIN_NAMESPACE 53 54 class QMimeData; 55 class QWindow; 56 57 class QWindowsOleDataObject : public QWindowsComBase<IDataObject> 58 { 59 public: 60 explicit QWindowsOleDataObject(QMimeData *mimeData); 61 ~QWindowsOleDataObject() override; 62 63 void releaseQt(); 64 QMimeData *mimeData() const; 65 DWORD reportedPerformedEffect() const; 66 67 // IDataObject methods 68 STDMETHOD(GetData)(LPFORMATETC pformatetcIn, LPSTGMEDIUM pmedium); 69 STDMETHOD(GetDataHere)(LPFORMATETC pformatetc, LPSTGMEDIUM pmedium); 70 STDMETHOD(QueryGetData)(LPFORMATETC pformatetc); 71 STDMETHOD(GetCanonicalFormatEtc)(LPFORMATETC pformatetc, LPFORMATETC pformatetcOut); 72 STDMETHOD(SetData)(LPFORMATETC pformatetc, STGMEDIUM FAR * pmedium, 73 BOOL fRelease); 74 STDMETHOD(EnumFormatEtc)(DWORD dwDirection, LPENUMFORMATETC FAR* ppenumFormatEtc); 75 STDMETHOD(DAdvise)(FORMATETC FAR* pFormatetc, DWORD advf, 76 LPADVISESINK pAdvSink, DWORD FAR* pdwConnection); 77 STDMETHOD(DUnadvise)(DWORD dwConnection); 78 STDMETHOD(EnumDAdvise)(LPENUMSTATDATA FAR* ppenumAdvise); 79 80 private: 81 QPointer<QMimeData> data; 82 const int CF_PERFORMEDDROPEFFECT; 83 DWORD performedEffect = DROPEFFECT_NONE; 84 }; 85 86 class QWindowsOleEnumFmtEtc : public QWindowsComBase<IEnumFORMATETC> 87 { 88 public: 89 explicit QWindowsOleEnumFmtEtc(const QVector<FORMATETC> &fmtetcs); 90 explicit QWindowsOleEnumFmtEtc(const QVector<LPFORMATETC> &lpfmtetcs); 91 ~QWindowsOleEnumFmtEtc() override; 92 93 bool isNull() const; 94 95 // IEnumFORMATETC methods 96 STDMETHOD(Next)(ULONG celt, LPFORMATETC rgelt, ULONG FAR* pceltFetched); 97 STDMETHOD(Skip)(ULONG celt); 98 STDMETHOD(Reset)(void); 99 STDMETHOD(Clone)(LPENUMFORMATETC FAR* newEnum); 100 101 private: 102 bool copyFormatEtc(LPFORMATETC dest, const FORMATETC *src) const; 103 104 ULONG m_nIndex = 0; 105 QVector<LPFORMATETC> m_lpfmtetcs; 106 bool m_isNull = false; 107 }; 108 109 QT_END_NAMESPACE 110 111 #endif // QWINDOWSOLE_H 112