barrier/src/lib/platform/MSWindowsDropTarget.h

60 lines
1.9 KiB
C++

/*
* synergy -- mouse and keyboard sharing utility
* Copyright (C) 2014-2016 Symless Ltd.
*
* This package is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* found in the file LICENSE that should have accompanied this file.
*
* This package is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <string>
#define WIN32_LEAN_AND_MEAN
#include <Windows.h>
#include <oleidl.h>
class MSWindowsScreen;
class MSWindowsDropTarget : public IDropTarget {
public:
MSWindowsDropTarget();
~MSWindowsDropTarget();
// IUnknown implementation
HRESULT __stdcall QueryInterface(REFIID iid, void** object);
ULONG __stdcall AddRef(void);
ULONG __stdcall Release(void);
// IDropTarget implementation
HRESULT __stdcall DragEnter(IDataObject* dataObject, DWORD keyState, POINTL point, DWORD* effect);
HRESULT __stdcall DragOver(DWORD keyState, POINTL point, DWORD* effect);
HRESULT __stdcall DragLeave(void);
HRESULT __stdcall Drop(IDataObject* dataObject, DWORD keyState, POINTL point, DWORD* effect);
void setDraggingFilename(char* const);
std::string getDraggingFilename();
void clearDraggingFilename();
static MSWindowsDropTarget&
instance();
private:
bool queryDataObject(IDataObject* dataObject);
long m_refCount;
bool m_allowDrop;
std::string m_dragFilename;
static MSWindowsDropTarget*
s_instance;
};