mirror of
https://github.com/reactos/reactos.git
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103 lines
3.1 KiB
C++
103 lines
3.1 KiB
C++
/*
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* PROJECT: ReactOS Font Shell Extension
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* LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
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* PURPOSE: CFontMenu implementation
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* COPYRIGHT: Copyright 2019-2021 Mark Jansen <mark.jansen@reactos.org>
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*/
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#include "precomp.h"
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WINE_DEFAULT_DEBUG_CHANNEL(fontext);
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#if 0
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static inline void DumpDataObjectFormats(IDataObject* pObject)
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{
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CComPtr<IEnumFORMATETC> pEnumFmt;
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HRESULT hr = pObject->EnumFormatEtc(DATADIR_GET, &pEnumFmt);
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if (FAILED_UNEXPECTEDLY(hr))
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return;
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FORMATETC fmt;
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while (S_OK == pEnumFmt->Next(1, &fmt, NULL))
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{
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char szBuf[512];
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GetClipboardFormatNameA(fmt.cfFormat, szBuf, sizeof(szBuf));
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ERR("Format: %s\n", szBuf);
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ERR("Tymed: %u\n", fmt.tymed);
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if (fmt.tymed & TYMED_HGLOBAL)
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{
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ERR("TYMED_HGLOBAL supported\n");
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}
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}
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}
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#endif
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HRESULT _CDataObject_CreateInstance(PCIDLIST_ABSOLUTE folder, UINT cidl, PCUITEMID_CHILD_ARRAY apidl,
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REFIID riid, LPVOID* ppvOut)
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{
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HRESULT hr = CIDLData_CreateFromIDArray(folder, cidl, apidl, (IDataObject**)ppvOut);
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if (FAILED_UNEXPECTEDLY(hr))
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return hr;
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// Now that we have an IDataObject with the shell itemid list (CFSTR_SHELLIDLIST, aka HIDA) format
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// we will augment this IDataObject with the CF_HDROP format. (Full filepaths)
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// This enabled the objects for the 'copy' and drag to copy actions
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CComHeapPtr<BYTE> data;
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// First we allocate room for the DROPFILES structure
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data.AllocateBytes(sizeof(DROPFILES));
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UINT offset = sizeof(DROPFILES);
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// Then we walk all files
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for (UINT n = 0; n < cidl; ++n)
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{
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const FontPidlEntry* fontEntry = _FontFromIL(apidl[n]);
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if (fontEntry)
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{
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CStringW File = g_FontCache->Filename(g_FontCache->Find(fontEntry), true);
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if (!File.IsEmpty())
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{
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// Now append the path (+ nullterminator) to the buffer
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UINT len = offset + (File.GetLength() + 1) * sizeof(WCHAR);
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data.ReallocateBytes(len);
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if (!data)
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{
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ERR("Unable to allocate memory for the CF_HDROP\n");
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return hr;
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}
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BYTE* dataPtr = data;
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StringCbCopyW((STRSAFE_LPWSTR)(dataPtr + offset), len - offset, File);
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offset = len;
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}
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else
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{
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ERR("No file found for %S\n", fontEntry->Name);
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}
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}
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}
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// Append the final nullterminator (double null terminated list)
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data.ReallocateBytes(offset + sizeof(UNICODE_NULL));
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LPWSTR str = (LPWSTR)((BYTE*)data + offset);
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*str = UNICODE_NULL;
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offset += sizeof(UNICODE_NULL);
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// Fill in the required fields
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DROPFILES* pDrop = (DROPFILES*)(BYTE*)data;
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pDrop->fWide = 1;
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pDrop->pFiles = sizeof(DROPFILES);
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// Zero out the rest
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pDrop->pt.x = pDrop->pt.y = 0;
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pDrop-> fNC = NULL;
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hr = DataObject_SetData(*(IDataObject**)ppvOut, CF_HDROP, data, offset);
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FAILED_UNEXPECTEDLY(hr);
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return hr;
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}
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