| 1 | /* $Id: UIDnDDropSource_win.h 106061 2024-09-16 14:03:52Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VBox Qt GUI - UIDnDDropSource class declaration.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2014-2024 Oracle and/or its affiliates.
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| 8 | *
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| 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * SPDX-License-Identifier: GPL-3.0-only
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| 26 | */
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| 27 |
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| 28 | #ifndef FEQT_INCLUDED_SRC_runtime_UIDnDDropSource_win_h
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| 29 | #define FEQT_INCLUDED_SRC_runtime_UIDnDDropSource_win_h
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| 30 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 31 | # pragma once
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| 32 | #endif
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| 33 |
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| 34 | /* COM includes: */
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| 35 |
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| 36 | class UIDnDDataObject;
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| 37 |
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| 38 | /**
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| 39 | * Implementation of IDropSource for drag and drop on the host.
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| 40 | */
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| 41 | class UIDnDDropSource : public IDropSource
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| 42 | {
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| 43 | public:
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| 44 |
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| 45 | UIDnDDropSource(QWidget *pParent, UIDnDDataObject *pDataObject);
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| 46 | virtual ~UIDnDDropSource(void);
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| 47 |
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| 48 | public:
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| 49 |
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| 50 | uint32_t GetCurrentAction(void) const { return m_uCurAction; }
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| 51 |
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| 52 | public: /* IUnknown methods. */
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| 53 |
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| 54 | STDMETHOD(QueryInterface)(REFIID iid, void ** ppvObject);
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| 55 | STDMETHOD_(ULONG, AddRef)(void);
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| 56 | STDMETHOD_(ULONG, Release)(void);
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| 57 |
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| 58 | public: /* IDropSource methods. */
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| 59 |
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| 60 | STDMETHOD(QueryContinueDrag)(BOOL fEscapePressed, DWORD dwKeyState);
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| 61 | STDMETHOD(GiveFeedback)(DWORD dwEffect);
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| 62 |
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| 63 | protected:
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| 64 |
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| 65 | /** Pointer to parent widget. */
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| 66 | QWidget *m_pParent;
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| 67 | /** Pointer to current data object. */
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| 68 | UIDnDDataObject *m_pDataObject;
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| 69 | /** The current reference count. */
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| 70 | LONG m_cRefCount;
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| 71 | /** Current (last) drop effect issued. */
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| 72 | DWORD m_dwCurEffect;
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| 73 | /** Current drop action to perform in case of a successful drop. */
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| 74 | Qt::DropActions m_uCurAction;
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| 75 | };
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| 76 |
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| 77 | #endif /* !FEQT_INCLUDED_SRC_runtime_UIDnDDropSource_win_h */
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| 78 |
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