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* Remove dragdrop.cpp. It was never used.

svn path=/trunk/; revision=65598
This commit is contained in:
Giannis Adamopoulos 2014-12-09 21:55:56 +00:00
parent 8264611855
commit f8a69bddfb
3 changed files with 0 additions and 349 deletions
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1
reactos/base/shell/explorer/CMakeLists.txt
View file

@ -6,7 +6,6 @@ include_directories(${REACTOS_SOURCE_DIR}/lib/atl)
list(APPEND SOURCE
desktop.cpp
dragdrop.cpp
explorer.cpp
rshell.cpp
settings.cpp

314
reactos/base/shell/explorer/dragdrop.cpp
View file

@ -1,314 +0,0 @@
/*
* ReactOS Explorer
*
* Copyright 2006 - 2007 Thomas Weidenmueller <w3seek@reactos.org>
*
* 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 Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "precomp.h"
class CDropTarget :
public CComCoClass<CDropTarget>,
public CComObjectRootEx<CComMultiThreadModelNoCS>,
public IDropTarget
{
HWND hwndTarget;
CComPtr<IDropTargetHelper> DropTargetHelper;
PVOID Context;
BOOL CanDrop;
DROPTARGET_CALLBACKS Callbacks;
DWORD FormatsCount;
FORMATETC* Formats;
const FORMATETC *
FindSupportedFormat(IN IDataObject *pDataObject)
{
FORMATETC *Current, *Last;
HRESULT hr;
/* NOTE: we could use IDataObject::EnumFormatEtc(),
but this appears to be a lot easier! */
Last = Formats + FormatsCount;
for (Current = Formats;
Current != Last;
Current++)
{
hr = pDataObject->QueryGetData(Current);
if (SUCCEEDED(hr))
return Current;
}
return NULL;
}
public:
CDropTarget() :
hwndTarget(NULL),
Context(NULL),
CanDrop(FALSE),
FormatsCount(0),
Formats(NULL)
{
ZeroMemory(&Callbacks, sizeof(Callbacks));
}
virtual ~CDropTarget() { }
HRESULT Initialize(IN HWND hwndTarget,
IN DWORD nSupportedFormats,
IN const FORMATETC *formats OPTIONAL,
IN PVOID Context OPTIONAL,
IN const DROPTARGET_CALLBACKS *Callbacks OPTIONAL)
{
this->hwndTarget = hwndTarget;
FormatsCount = nSupportedFormats;
if (nSupportedFormats != 0)
{
Formats = new FORMATETC[nSupportedFormats];
CopyMemory(Formats,
formats,
sizeof(formats[0]) * nSupportedFormats);
}
this->Context = Context;
if (Callbacks != NULL)
{
CopyMemory(&this->Callbacks,
Callbacks,
sizeof(*Callbacks));
}
HRESULT hr = CoCreateInstance(CLSID_DragDropHelper,
NULL,
CLSCTX_INPROC_SERVER,
IID_PPV_ARG(IDropTargetHelper, &DropTargetHelper));
return hr;
}
virtual HRESULT STDMETHODCALLTYPE DragEnter(
IN IDataObject *pDataObject,
IN DWORD grfKeyState,
IN POINTL pt,
IN OUT DWORD *pdwEffect)
{
const FORMATETC *Format;
HRESULT hr;
if (pDataObject == NULL)
return E_INVALIDARG;
CanDrop = FALSE;
hr = DropTargetHelper->DragEnter(
hwndTarget,
pDataObject,
(POINT *) &pt,
*pdwEffect);
if (SUCCEEDED(hr))
{
Format = FindSupportedFormat(
pDataObject);
if (Format != NULL)
{
/* We found a format that we support! */
if (Callbacks.OnDragEnter != NULL)
{
hr = Callbacks.OnDragEnter(this,
Context,
Format,
grfKeyState,
pt,
pdwEffect);
if (SUCCEEDED(hr))
{
if (hr == S_OK)
CanDrop = TRUE;
else
{
/* Special return value by the callback routine,
doesn't want to allow dragging */
*pdwEffect = DROPEFFECT_NONE;
}
hr = S_OK;
}
else
{
*pdwEffect = DROPEFFECT_NONE;
hr = S_OK;
}
}
else
*pdwEffect = DROPEFFECT_NONE;
}
else
*pdwEffect = DROPEFFECT_NONE;
}
return hr;
}
virtual HRESULT STDMETHODCALLTYPE DragOver(
IN DWORD grfKeyState,
IN POINTL pt,
IN OUT DWORD *pdwEffect)
{
HRESULT hr;
hr = DropTargetHelper->DragOver(
(POINT *) &pt,
*pdwEffect);
if (SUCCEEDED(hr))
{
if (CanDrop)
{
if (Callbacks.OnDragOver != NULL)
{
hr = Callbacks.OnDragOver(this,
Context,
grfKeyState,
pt,
pdwEffect);
if (SUCCEEDED(hr))
{
if (hr != S_OK)
{
/* Special return value by the callback routine,
doesn't want to allow dropping here */
*pdwEffect = DROPEFFECT_NONE;
}
hr = S_OK;
}
else
{
*pdwEffect = DROPEFFECT_NONE;
hr = S_OK;
}
}
else
*pdwEffect = DROPEFFECT_NONE;
}
else
*pdwEffect = DROPEFFECT_NONE;
}
return hr;
}
virtual HRESULT STDMETHODCALLTYPE DragLeave()
{
HRESULT hr;
hr = DropTargetHelper->DragLeave();
if (SUCCEEDED(hr))
{
if (Callbacks.OnDragLeave != NULL)
{
hr = Callbacks.OnDragLeave(this,
Context);
}
}
return hr;
}
virtual HRESULT STDMETHODCALLTYPE Drop(
IN IDataObject *pDataObject,
IN DWORD grfKeyState,
IN POINTL pt,
IN OUT DWORD *pdwEffect)
{
const FORMATETC *Format;
HRESULT hr;
if (pDataObject == NULL)
return E_INVALIDARG;
hr = DropTargetHelper->Drop(
pDataObject,
(POINT *) &pt,
*pdwEffect);
if (SUCCEEDED(hr) && CanDrop)
{
Format = FindSupportedFormat(pDataObject);
if (Format != NULL)
{
/* We found a format that we support! */
if (Callbacks.OnDrop != NULL)
{
hr = Callbacks.OnDrop(this,
Context,
Format,
grfKeyState,
pt,
pdwEffect);
if (SUCCEEDED(hr))
{
if (hr == S_OK)
CanDrop = TRUE;
else
{
/* Special return value by the callback routine,
doesn't want to allow dragging */
*pdwEffect = DROPEFFECT_NONE;
}
hr = S_OK;
}
else
{
*pdwEffect = DROPEFFECT_NONE;
hr = S_OK;
}
}
else
*pdwEffect = DROPEFFECT_NONE;
}
else
*pdwEffect = DROPEFFECT_NONE;
}
return hr;
}
DECLARE_NOT_AGGREGATABLE(CDropTarget)
DECLARE_PROTECT_FINAL_CONSTRUCT()
BEGIN_COM_MAP(CDropTarget)
COM_INTERFACE_ENTRY_IID(IID_IDropTarget, IDropTarget)
END_COM_MAP()
};
IDropTarget *
CreateDropTarget(IN HWND hwndTarget,
IN DWORD nSupportedFormats,
IN const FORMATETC *Formats OPTIONAL,
IN PVOID Context OPTIONAL,
IN const DROPTARGET_CALLBACKS *Callbacks OPTIONAL)
{
IDropTarget *dt;
HRESULT hr = ShellObjectCreatorInit<CDropTarget>(hwndTarget, nSupportedFormats, Formats, Context, Callbacks, IID_IDropTarget, &dt);
if (FAILED_UNEXPECTEDLY(hr))
return NULL;
return dt;
}

34
reactos/base/shell/explorer/precomp.h
View file

@ -52,40 +52,6 @@ extern HINSTANCE hExplorerInstance;
extern HANDLE hProcessHeap;
extern HKEY hkExplorer;
/*
* dragdrop.c
*/
typedef struct _DROPTARGET_CALLBACKS
{
HRESULT(*OnDragEnter)(IN IDropTarget *pDropTarget,
IN PVOID Context,
IN const FORMATETC *Format,
IN DWORD grfKeyState,
IN POINTL pt,
IN OUT DWORD *pdwEffect);
HRESULT(*OnDragOver)(IN IDropTarget *pDropTarget,
IN PVOID Context,
IN DWORD grfKeyState,
IN POINTL pt,
IN OUT DWORD *pdwEffect);
HRESULT(*OnDragLeave)(IN IDropTarget *pDropTarget,
IN PVOID Context);
HRESULT(*OnDrop)(IN IDropTarget *pDropTarget,
IN PVOID Context,
IN const FORMATETC *Format,
IN DWORD grfKeyState,
IN POINTL pt,
IN OUT DWORD *pdwEffect);
} DROPTARGET_CALLBACKS, *PDROPTARGET_CALLBACKS;
IDropTarget *
CreateDropTarget(IN HWND hwndTarget,
IN DWORD nSupportedFormats,
IN const FORMATETC *Formats OPTIONAL,
IN PVOID Context OPTIONAL,
IN const DROPTARGET_CALLBACKS *Callbacks OPTIONAL);
/*
* explorer.c
*/