ReactOS  0.4.15-dev-3181-g4acf100
CDataObject.cpp File Reference
#include "precomp.h"
Include dependency graph for CDataObject.cpp:

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Functions

 WINE_DEFAULT_DEBUG_CHANNEL (fontext)
 
HRESULT _CDataObject_CreateInstance (PCIDLIST_ABSOLUTE folder, UINT cidl, PCUITEMID_CHILD_ARRAY apidl, REFIID riid, LPVOID *ppvOut)
 

Function Documentation

◆ _CDataObject_CreateInstance()

HRESULT _CDataObject_CreateInstance ( PCIDLIST_ABSOLUTE  folder,
UINT  cidl,
PCUITEMID_CHILD_ARRAY  apidl,
REFIID  riid,
LPVOID ppvOut 
)

Definition at line 38 of file CDataObject.cpp.

40 {
41  HRESULT hr = CIDLData_CreateFromIDArray(folder, cidl, apidl, (IDataObject**)ppvOut);
43  return hr;
44 
45  // Now that we have an IDataObject with the shell itemid list (CFSTR_SHELLIDLIST, aka HIDA) format
46  // we will augment this IDataObject with the CF_HDROP format. (Full filepaths)
47  // This enabled the objects for the 'copy' and drag to copy actions
48 
50 
51  // First we allocate room for the DROPFILES structure
52  data.AllocateBytes(sizeof(DROPFILES));
53  UINT offset = sizeof(DROPFILES);
54 
55  // Then we walk all files
56  for (UINT n = 0; n < cidl; ++n)
57  {
58  const FontPidlEntry* fontEntry = _FontFromIL(apidl[n]);
59  if (fontEntry)
60  {
61  CStringW File = g_FontCache->Filename(g_FontCache->Find(fontEntry), true);
62  if (!File.IsEmpty())
63  {
64  // Now append the path (+ nullterminator) to the buffer
65  UINT len = offset + (File.GetLength() + 1) * sizeof(WCHAR);
66  data.ReallocateBytes(len);
67  if (!data)
68  {
69  ERR("Unable to allocate memory for the CF_HDROP\n");
70  return hr;
71  }
72  BYTE* dataPtr = data;
74  offset = len;
75  }
76  else
77  {
78  ERR("No file found for %S\n", fontEntry->Name);
79  }
80  }
81  }
82 
83  // Append the final nullterminator (double null terminated list)
84  data.ReallocateBytes(offset + sizeof(UNICODE_NULL));
85  LPWSTR str = (LPWSTR)((BYTE*)data + offset);
86  *str = UNICODE_NULL;
87  offset += sizeof(UNICODE_NULL);
88 
89  // Fill in the required fields
90  DROPFILES* pDrop = (DROPFILES*)(BYTE*)data;
91  pDrop->fWide = 1;
92  pDrop->pFiles = sizeof(DROPFILES);
93  // Zero out the rest
94  pDrop->pt.x = pDrop->pt.y = 0;
95  pDrop-> fNC = NULL;
96 
99 
100  return hr;
101 }
Definition: fci.c:115
long y
Definition: polytest.cpp:48
HRESULT hr
Definition: shlfolder.c:183
POINT pt
Definition: shlobj.h:2125
long x
Definition: polytest.cpp:48
GLdouble n
Definition: glext.h:7729
const FontPidlEntry * _FontFromIL(LPCITEMIDLIST pidl)
Definition: fontpidl.cpp:32
wchar_t * STRSAFE_LPWSTR
Definition: ntstrsafe.h:53
#define UNICODE_NULL
const WCHAR * str
#define CF_HDROP
Definition: constants.h:410
static HRESULT WINAPI DataObject_SetData(LPDATAOBJECT iface, LPFORMATETC pformatetc, STGMEDIUM *pmedium, BOOL fRelease)
Definition: view.c:203
__wchar_t WCHAR
Definition: xmlstorage.h:180
LONG HRESULT
Definition: typedefs.h:79
GLintptr offset
Definition: glext.h:5920
#define FAILED_UNEXPECTEDLY(hr)
Definition: shellutils.h:82
BOOL fWide
Definition: shlobj.h:2127
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: gl.h:1950
GLenum GLsizei len
Definition: glext.h:6722
CFontCache * g_FontCache
Definition: CFontCache.cpp:12
WCHAR Name[1]
Definition: fontpidl.hpp:17
unsigned char BYTE
Definition: xxhash.c:193
#define ERR(fmt,...)
Definition: debug.h:110
unsigned int UINT
Definition: ndis.h:50
#define NULL
Definition: types.h:112
CFontInfo * Find(const FontPidlEntry *fontEntry)
Definition: CFontCache.cpp:145
CStringW Filename(CFontInfo *info, bool alwaysFullPath=false)
Definition: CFontCache.cpp:164
Definition: File.h:15
HRESULT WINAPI CIDLData_CreateFromIDArray(PCIDLIST_ABSOLUTE pidlFolder, UINT cpidlFiles, PCUIDLIST_RELATIVE_ARRAY lppidlFiles, LPDATAOBJECT *ppdataObject)
Definition: shellord.c:2185
WCHAR * LPWSTR
Definition: xmlstorage.h:184
struct _DROPFILES DROPFILES
STRSAFEAPI StringCbCopyW(STRSAFE_LPWSTR pszDest, size_t cbDest, STRSAFE_LPCWSTR pszSrc)
Definition: strsafe.h:166
DWORD pFiles
Definition: shlobj.h:2124

Referenced by CFontExt::GetUIObjectOf().

◆ WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL ( fontext  )