Sweden-Number/dlls/shell32/dragdrophelper.c

189 lines
5.3 KiB
C

/*
* file system folder
*
* Copyright 1997 Marcus Meissner
* Copyright 1998, 1999, 2002 Juergen Schmied
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#include <stdarg.h>
#include <string.h>
#define COBJMACROS
#include "windef.h"
#include "winbase.h"
#include "winreg.h"
#include "wingdi.h"
#include "winuser.h"
#include "objbase.h"
#include "ole2.h"
#include "shlguid.h"
#include "shlobj.h"
#include "wine/debug.h"
#include "debughlp.h"
WINE_DEFAULT_DEBUG_CHANNEL (shell);
/***********************************************************************
* IDropTargetHelper implementation
*/
typedef struct {
const IDropTargetHelperVtbl *lpVtbl;
LONG ref;
} IDropTargetHelperImpl;
static const IDropTargetHelperVtbl vt_IDropTargetHelper;
#define _IUnknown_(This) (IUnknown*)&(This->lpVtbl)
#define _IDropTargetHelper_(This) (IDropTargetHelper*)&(This->lpVtbl)
/**************************************************************************
* IDropTargetHelper_Constructor
*/
HRESULT WINAPI IDropTargetHelper_Constructor (IUnknown * pUnkOuter, REFIID riid, LPVOID * ppv)
{
IDropTargetHelperImpl *dth;
TRACE ("unkOut=%p %s\n", pUnkOuter, shdebugstr_guid (riid));
if (!ppv)
return E_POINTER;
if (pUnkOuter)
return CLASS_E_NOAGGREGATION;
dth = (IDropTargetHelperImpl *) LocalAlloc (LMEM_ZEROINIT, sizeof (IDropTargetHelperImpl));
if (!dth) return E_OUTOFMEMORY;
dth->ref = 0;
dth->lpVtbl = &vt_IDropTargetHelper;
if (FAILED (IUnknown_QueryInterface (_IUnknown_ (dth), riid, ppv))) {
IUnknown_Release (_IUnknown_ (dth));
return E_NOINTERFACE;
}
TRACE ("--(%p)\n", dth);
return S_OK;
}
/**************************************************************************
* IDropTargetHelper_fnQueryInterface
*/
static HRESULT WINAPI IDropTargetHelper_fnQueryInterface (IDropTargetHelper * iface, REFIID riid, LPVOID * ppvObj)
{
IDropTargetHelperImpl *This = (IDropTargetHelperImpl *)iface;
TRACE ("(%p)->(%s,%p)\n", This, shdebugstr_guid (riid), ppvObj);
*ppvObj = NULL;
if (IsEqualIID (riid, &IID_IUnknown) || IsEqualIID (riid, &IID_IDropTargetHelper)) {
*ppvObj = This;
}
if (*ppvObj) {
IUnknown_AddRef ((IUnknown *) (*ppvObj));
TRACE ("-- Interface: (%p)->(%p)\n", ppvObj, *ppvObj);
return S_OK;
}
FIXME ("-- Interface: E_NOINTERFACE\n");
return E_NOINTERFACE;
}
static ULONG WINAPI IDropTargetHelper_fnAddRef (IDropTargetHelper * iface)
{
IDropTargetHelperImpl *This = (IDropTargetHelperImpl *)iface;
ULONG refCount = InterlockedIncrement(&This->ref);
TRACE ("(%p)->(count=%u)\n", This, refCount - 1);
return refCount;
}
static ULONG WINAPI IDropTargetHelper_fnRelease (IDropTargetHelper * iface)
{
IDropTargetHelperImpl *This = (IDropTargetHelperImpl *)iface;
ULONG refCount = InterlockedDecrement(&This->ref);
TRACE ("(%p)->(count=%u)\n", This, refCount + 1);
if (!refCount) {
TRACE("-- destroying (%p)\n", This);
LocalFree ((HLOCAL) This);
return 0;
}
return refCount;
}
static HRESULT WINAPI IDropTargetHelper_fnDragEnter (
IDropTargetHelper * iface,
HWND hwndTarget,
IDataObject* pDataObject,
POINT* ppt,
DWORD dwEffect)
{
IDropTargetHelperImpl *This = (IDropTargetHelperImpl *)iface;
FIXME ("(%p)->(%p %p %p 0x%08x)\n", This,hwndTarget, pDataObject, ppt, dwEffect);
return E_NOTIMPL;
}
static HRESULT WINAPI IDropTargetHelper_fnDragLeave (IDropTargetHelper * iface)
{
IDropTargetHelperImpl *This = (IDropTargetHelperImpl *)iface;
FIXME ("(%p)->()\n", This);
return E_NOTIMPL;
}
static HRESULT WINAPI IDropTargetHelper_fnDragOver (IDropTargetHelper * iface, POINT* ppt, DWORD dwEffect)
{
IDropTargetHelperImpl *This = (IDropTargetHelperImpl *)iface;
FIXME ("(%p)->(%p 0x%08x)\n", This, ppt, dwEffect);
return E_NOTIMPL;
}
static HRESULT WINAPI IDropTargetHelper_fnDrop (IDropTargetHelper * iface, IDataObject* pDataObject, POINT* ppt, DWORD dwEffect)
{
IDropTargetHelperImpl *This = (IDropTargetHelperImpl *)iface;
FIXME ("(%p)->(%p %p 0x%08x)\n", This, pDataObject, ppt, dwEffect);
return E_NOTIMPL;
}
static HRESULT WINAPI IDropTargetHelper_fnShow (IDropTargetHelper * iface, BOOL fShow)
{
IDropTargetHelperImpl *This = (IDropTargetHelperImpl *)iface;
FIXME ("(%p)->(%u)\n", This, fShow);
return E_NOTIMPL;
}
static const IDropTargetHelperVtbl vt_IDropTargetHelper =
{
IDropTargetHelper_fnQueryInterface,
IDropTargetHelper_fnAddRef,
IDropTargetHelper_fnRelease,
IDropTargetHelper_fnDragEnter,
IDropTargetHelper_fnDragLeave,
IDropTargetHelper_fnDragOver,
IDropTargetHelper_fnDrop,
IDropTargetHelper_fnShow
};