mirror of
https://github.com/reactos/reactos.git
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[EXPLORER]
* Remove dragdrop.cpp. It was never used. svn path=/trunk/; revision=65598
This commit is contained in:
Giannis Adamopoulos
parent
8264611855
commit
f8a69bddfb
3 changed files with 0 additions and 349 deletions
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@ -6,7 +6,6 @@ include_directories(${REACTOS_SOURCE_DIR}/lib/atl)
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list(APPEND SOURCE
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list(APPEND SOURCE
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desktop.cpp
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desktop.cpp
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dragdrop.cpp
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explorer.cpp
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explorer.cpp
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rshell.cpp
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rshell.cpp
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settings.cpp
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settings.cpp
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@ -1,314 +0,0 @@
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/*
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* ReactOS Explorer
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*
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* Copyright 2006 - 2007 Thomas Weidenmueller <w3seek@reactos.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "precomp.h"
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class CDropTarget :
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public CComCoClass<CDropTarget>,
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public CComObjectRootEx<CComMultiThreadModelNoCS>,
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public IDropTarget
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{
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HWND hwndTarget;
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CComPtr<IDropTargetHelper> DropTargetHelper;
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PVOID Context;
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BOOL CanDrop;
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DROPTARGET_CALLBACKS Callbacks;
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DWORD FormatsCount;
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FORMATETC* Formats;
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const FORMATETC *
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FindSupportedFormat(IN IDataObject *pDataObject)
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{
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FORMATETC *Current, *Last;
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HRESULT hr;
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/* NOTE: we could use IDataObject::EnumFormatEtc(),
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but this appears to be a lot easier! */
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Last = Formats + FormatsCount;
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for (Current = Formats;
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Current != Last;
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Current++)
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{
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hr = pDataObject->QueryGetData(Current);
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if (SUCCEEDED(hr))
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return Current;
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}
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return NULL;
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}
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public:
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CDropTarget() :
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hwndTarget(NULL),
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Context(NULL),
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CanDrop(FALSE),
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FormatsCount(0),
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Formats(NULL)
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{
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ZeroMemory(&Callbacks, sizeof(Callbacks));
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}
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virtual ~CDropTarget() { }
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HRESULT Initialize(IN HWND hwndTarget,
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IN DWORD nSupportedFormats,
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IN const FORMATETC *formats OPTIONAL,
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IN PVOID Context OPTIONAL,
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IN const DROPTARGET_CALLBACKS *Callbacks OPTIONAL)
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{
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this->hwndTarget = hwndTarget;
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FormatsCount = nSupportedFormats;
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if (nSupportedFormats != 0)
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{
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Formats = new FORMATETC[nSupportedFormats];
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CopyMemory(Formats,
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formats,
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sizeof(formats[0]) * nSupportedFormats);
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}
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this->Context = Context;
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if (Callbacks != NULL)
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{
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CopyMemory(&this->Callbacks,
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Callbacks,
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sizeof(*Callbacks));
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}
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HRESULT hr = CoCreateInstance(CLSID_DragDropHelper,
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NULL,
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CLSCTX_INPROC_SERVER,
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IID_PPV_ARG(IDropTargetHelper, &DropTargetHelper));
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return hr;
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}
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virtual HRESULT STDMETHODCALLTYPE DragEnter(
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IN IDataObject *pDataObject,
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IN DWORD grfKeyState,
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IN POINTL pt,
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IN OUT DWORD *pdwEffect)
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{
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const FORMATETC *Format;
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HRESULT hr;
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if (pDataObject == NULL)
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return E_INVALIDARG;
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CanDrop = FALSE;
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hr = DropTargetHelper->DragEnter(
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hwndTarget,
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pDataObject,
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(POINT *) &pt,
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*pdwEffect);
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if (SUCCEEDED(hr))
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{
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Format = FindSupportedFormat(
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pDataObject);
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if (Format != NULL)
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{
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/* We found a format that we support! */
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if (Callbacks.OnDragEnter != NULL)
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{
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hr = Callbacks.OnDragEnter(this,
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Context,
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Format,
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grfKeyState,
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pt,
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pdwEffect);
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if (SUCCEEDED(hr))
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{
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if (hr == S_OK)
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CanDrop = TRUE;
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else
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{
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/* Special return value by the callback routine,
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doesn't want to allow dragging */
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*pdwEffect = DROPEFFECT_NONE;
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}
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hr = S_OK;
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}
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else
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{
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*pdwEffect = DROPEFFECT_NONE;
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hr = S_OK;
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}
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}
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else
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*pdwEffect = DROPEFFECT_NONE;
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}
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else
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*pdwEffect = DROPEFFECT_NONE;
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}
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return hr;
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}
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virtual HRESULT STDMETHODCALLTYPE DragOver(
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IN DWORD grfKeyState,
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IN POINTL pt,
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IN OUT DWORD *pdwEffect)
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{
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HRESULT hr;
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hr = DropTargetHelper->DragOver(
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(POINT *) &pt,
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*pdwEffect);
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if (SUCCEEDED(hr))
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{
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if (CanDrop)
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{
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if (Callbacks.OnDragOver != NULL)
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{
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hr = Callbacks.OnDragOver(this,
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Context,
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grfKeyState,
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pt,
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pdwEffect);
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if (SUCCEEDED(hr))
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{
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if (hr != S_OK)
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{
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/* Special return value by the callback routine,
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doesn't want to allow dropping here */
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*pdwEffect = DROPEFFECT_NONE;
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}
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hr = S_OK;
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}
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else
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{
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*pdwEffect = DROPEFFECT_NONE;
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hr = S_OK;
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}
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}
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else
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*pdwEffect = DROPEFFECT_NONE;
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}
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else
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*pdwEffect = DROPEFFECT_NONE;
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}
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return hr;
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}
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virtual HRESULT STDMETHODCALLTYPE DragLeave()
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{
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HRESULT hr;
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hr = DropTargetHelper->DragLeave();
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if (SUCCEEDED(hr))
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{
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if (Callbacks.OnDragLeave != NULL)
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{
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hr = Callbacks.OnDragLeave(this,
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Context);
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}
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}
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return hr;
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}
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virtual HRESULT STDMETHODCALLTYPE Drop(
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IN IDataObject *pDataObject,
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IN DWORD grfKeyState,
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IN POINTL pt,
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IN OUT DWORD *pdwEffect)
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{
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const FORMATETC *Format;
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HRESULT hr;
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if (pDataObject == NULL)
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return E_INVALIDARG;
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hr = DropTargetHelper->Drop(
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pDataObject,
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(POINT *) &pt,
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*pdwEffect);
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if (SUCCEEDED(hr) && CanDrop)
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{
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Format = FindSupportedFormat(pDataObject);
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if (Format != NULL)
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{
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/* We found a format that we support! */
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if (Callbacks.OnDrop != NULL)
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{
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hr = Callbacks.OnDrop(this,
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Context,
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Format,
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grfKeyState,
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pt,
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pdwEffect);
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if (SUCCEEDED(hr))
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{
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if (hr == S_OK)
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CanDrop = TRUE;
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else
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{
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/* Special return value by the callback routine,
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doesn't want to allow dragging */
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*pdwEffect = DROPEFFECT_NONE;
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}
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hr = S_OK;
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}
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else
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{
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*pdwEffect = DROPEFFECT_NONE;
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hr = S_OK;
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}
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}
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else
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*pdwEffect = DROPEFFECT_NONE;
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}
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else
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*pdwEffect = DROPEFFECT_NONE;
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}
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return hr;
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}
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DECLARE_NOT_AGGREGATABLE(CDropTarget)
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DECLARE_PROTECT_FINAL_CONSTRUCT()
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BEGIN_COM_MAP(CDropTarget)
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COM_INTERFACE_ENTRY_IID(IID_IDropTarget, IDropTarget)
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END_COM_MAP()
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};
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IDropTarget *
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CreateDropTarget(IN HWND hwndTarget,
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IN DWORD nSupportedFormats,
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IN const FORMATETC *Formats OPTIONAL,
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IN PVOID Context OPTIONAL,
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IN const DROPTARGET_CALLBACKS *Callbacks OPTIONAL)
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{
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IDropTarget *dt;
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HRESULT hr = ShellObjectCreatorInit<CDropTarget>(hwndTarget, nSupportedFormats, Formats, Context, Callbacks, IID_IDropTarget, &dt);
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if (FAILED_UNEXPECTEDLY(hr))
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return NULL;
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return dt;
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}
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@ -52,40 +52,6 @@ extern HINSTANCE hExplorerInstance;
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extern HANDLE hProcessHeap;
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extern HANDLE hProcessHeap;
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extern HKEY hkExplorer;
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extern HKEY hkExplorer;
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/*
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* dragdrop.c
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*/
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typedef struct _DROPTARGET_CALLBACKS
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{
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HRESULT(*OnDragEnter)(IN IDropTarget *pDropTarget,
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IN PVOID Context,
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IN const FORMATETC *Format,
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IN DWORD grfKeyState,
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IN POINTL pt,
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IN OUT DWORD *pdwEffect);
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HRESULT(*OnDragOver)(IN IDropTarget *pDropTarget,
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IN PVOID Context,
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IN DWORD grfKeyState,
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IN POINTL pt,
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IN OUT DWORD *pdwEffect);
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HRESULT(*OnDragLeave)(IN IDropTarget *pDropTarget,
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IN PVOID Context);
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HRESULT(*OnDrop)(IN IDropTarget *pDropTarget,
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IN PVOID Context,
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IN const FORMATETC *Format,
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IN DWORD grfKeyState,
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IN POINTL pt,
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IN OUT DWORD *pdwEffect);
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} DROPTARGET_CALLBACKS, *PDROPTARGET_CALLBACKS;
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IDropTarget *
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CreateDropTarget(IN HWND hwndTarget,
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IN DWORD nSupportedFormats,
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IN const FORMATETC *Formats OPTIONAL,
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IN PVOID Context OPTIONAL,
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IN const DROPTARGET_CALLBACKS *Callbacks OPTIONAL);
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/*
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/*
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* explorer.c
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* explorer.c
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*/
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*/
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