diff options
author | Friedemann Kleint <Friedemann.Kleint@nokia.com> | 2011-08-17 15:58:39 +0200 |
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committer | Friedemann Kleint <Friedemann.Kleint@nokia.com> | 2011-08-18 12:00:46 +0200 |
commit | 0b8d0804219b7e2e6179112d663b989d5b749d17 (patch) | |
tree | 4660a721ed39cc3e806c382f0f9287cedaa2d1a2 /src/plugins/platforms/windows/qwindowsdrag.h | |
parent | 6136a792bc54c07dc4cf66481530b79b40110614 (diff) |
Add Windows to the Lighthouse.
Add an initial Lighthouse plugin for the Windows operating system.
Change-Id: I6934562266e1aa0ac270bf6107df05a9e56ef82c
Reviewed-on: http://codereview.qt.nokia.com/3107
Reviewed-by: Oliver Wolff <oliver.wolff@nokia.com>
Reviewed-by: Samuel Rødal <samuel.rodal@nokia.com>
Diffstat (limited to 'src/plugins/platforms/windows/qwindowsdrag.h')
-rw-r--r-- | src/plugins/platforms/windows/qwindowsdrag.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/src/plugins/platforms/windows/qwindowsdrag.h b/src/plugins/platforms/windows/qwindowsdrag.h new file mode 100644 index 0000000000..6e6ebe0424 --- /dev/null +++ b/src/plugins/platforms/windows/qwindowsdrag.h @@ -0,0 +1,116 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (info@qt.nokia.com) +** +** This file is part of the plugins of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QWINDOWSDRAG_H +#define QWINDOWSDRAG_H + +#include "qwindowsinternalmimedata.h" + +#include <QtGui/QPlatformDrag> + +QT_BEGIN_NAMESPACE + +class QWindowsDropMimeData : public QWindowsInternalMimeData { +public: + QWindowsDropMimeData() {} + virtual IDataObject *retrieveDataObject() const; +}; + +class QWindowsOleDropTarget : public IDropTarget +{ +public: + explicit QWindowsOleDropTarget(QWindow *w); + virtual ~QWindowsOleDropTarget(); + + // IUnknown methods + STDMETHOD(QueryInterface)(REFIID riid, void FAR* FAR* ppvObj); + STDMETHOD_(ULONG, AddRef)(void); + STDMETHOD_(ULONG, Release)(void); + + // IDropTarget methods + STDMETHOD(DragEnter)(LPDATAOBJECT pDataObj, DWORD grfKeyState, POINTL pt, LPDWORD pdwEffect); + STDMETHOD(DragOver)(DWORD grfKeyState, POINTL pt, LPDWORD pdwEffect); + STDMETHOD(DragLeave)(); + STDMETHOD(Drop)(LPDATAOBJECT pDataObj, DWORD grfKeyState, POINTL pt, LPDWORD pdwEffect); + +private: + inline QWindow *findDragOverWindow(const POINTL &pt) const; + void sendDragEnterEvent(QWindow *to, DWORD grfKeyState, POINTL pt, LPDWORD pdwEffect); + + ULONG m_refs; + QWindow *const m_window; + QWindow *m_currentWindow; + QRect m_answerRect; + QPoint m_lastPoint; + DWORD m_chosenEffect; + DWORD m_lastKeyState; +}; + +class QWindowsDrag : public QPlatformDrag +{ +public: + QWindowsDrag(); + virtual ~QWindowsDrag(); + + virtual QMimeData *platformDropData() { return &m_dropData; } + + virtual void startDrag(); + virtual void move(const QMouseEvent *me); + virtual void drop(const QMouseEvent *me); + virtual void cancel(); + + static QWindowsDrag *instance(); + + IDataObject *dropDataObject() const { return m_dropDataObject; } + void setDropDataObject(IDataObject *dataObject) { m_dropDataObject = dataObject; } + void releaseDropDataObject(); + + bool dragBeingCancelled() const { return m_dragBeingCancelled; } + +private: + QWindowsDropMimeData m_dropData; + IDataObject *m_dropDataObject; + bool m_dragBeingCancelled; +}; + +QT_END_NAMESPACE + +#endif // QWINDOWSDRAG_H |