2 * Undocumented functions from COMCTL32.DLL
4 * Copyright 1998 Eric Kohl
5 * 1998 Juergen Schmied <j.schmied@metronet.de>
6 * 2000 Eric Kohl for CodeWeavers
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 * All of these functions are UNDOCUMENTED!! And I mean UNDOCUMENTED!!!!
24 * Do NOT rely on names or contents of undocumented structures and types!!!
25 * These functions are used by EXPLORER.EXE, IEXPLORE.EXE and
26 * COMCTL32.DLL (internally).
30 #include "wine/port.h"
38 #define NONAMELESSUNION
39 #define NONAMELESSSTRUCT
51 #include "wine/unicode.h"
54 #include "wine/debug.h"
56 WINE_DEFAULT_DEBUG_CHANNEL(commctrl);
76 typedef struct _STREAMDATA
81 } STREAMDATA, *PSTREAMDATA;
83 typedef struct _LOADDATA
87 } LOADDATA, *LPLOADDATA;
89 typedef HRESULT (CALLBACK *DPALOADPROC)(LPLOADDATA,IStream*,LPARAM);
91 static const WCHAR strMRUList[] = { 'M','R','U','L','i','s','t',0 };
93 /**************************************************************************
94 * DPA_LoadStream [COMCTL32.9]
96 * Loads a dynamic pointer array from a stream
99 * phDpa [O] pointer to a handle to a dynamic pointer array
100 * loadProc [I] pointer to a callback function
101 * pStream [I] pointer to a stream
102 * lParam [I] application specific value
109 * No more information available yet!
111 HRESULT WINAPI DPA_LoadStream (HDPA *phDpa, DPALOADPROC loadProc,
112 IStream *pStream, LPARAM lParam)
115 LARGE_INTEGER position;
116 ULARGE_INTEGER newPosition;
117 STREAMDATA streamData;
123 FIXME ("phDpa=%p loadProc=%p pStream=%p lParam=%lx\n",
124 phDpa, loadProc, pStream, lParam);
126 if (!phDpa || !loadProc || !pStream)
131 position.QuadPart = 0;
134 * Zero out our streamData
136 memset(&streamData,0,sizeof(STREAMDATA));
138 errCode = IStream_Seek (pStream, position, STREAM_SEEK_CUR, &newPosition);
142 errCode = IStream_Read (pStream, &streamData, sizeof(STREAMDATA), &ulRead);
146 FIXME ("dwSize=%lu dwData2=%lu dwItems=%lu\n",
147 streamData.dwSize, streamData.dwData2, streamData.dwItems);
149 if ( ulRead < sizeof(STREAMDATA) ||
150 lParam < sizeof(STREAMDATA) ||
151 streamData.dwSize < sizeof(STREAMDATA) ||
152 streamData.dwData2 < 1) {
156 if (streamData.dwItems > (UINT_MAX / 2 / sizeof(VOID*))) /* 536870911 */
157 return E_OUTOFMEMORY;
160 hDpa = DPA_Create (streamData.dwItems);
162 return E_OUTOFMEMORY;
164 if (!DPA_Grow (hDpa, streamData.dwItems))
165 return E_OUTOFMEMORY;
167 /* load data from the stream into the dpa */
169 for (loadData.nCount = 0; loadData.nCount < streamData.dwItems; loadData.nCount++) {
170 errCode = (loadProc)(&loadData, pStream, lParam);
171 if (errCode != S_OK) {
180 /* set the number of items */
181 hDpa->nItemCount = loadData.nCount;
183 /* store the handle to the dpa */
185 FIXME ("new hDpa=%p, errorcode=%lx\n", hDpa, errCode);
191 /**************************************************************************
192 * DPA_SaveStream [COMCTL32.10]
194 * Saves a dynamic pointer array to a stream
197 * hDpa [I] handle to a dynamic pointer array
198 * loadProc [I] pointer to a callback function
199 * pStream [I] pointer to a stream
200 * lParam [I] application specific value
207 * No more information available yet!
209 HRESULT WINAPI DPA_SaveStream (const HDPA hDpa, DPALOADPROC loadProc,
210 IStream *pStream, LPARAM lParam)
213 FIXME ("hDpa=%p loadProc=%p pStream=%p lParam=%lx\n",
214 hDpa, loadProc, pStream, lParam);
220 /**************************************************************************
221 * DPA_Merge [COMCTL32.11]
223 * Merge two dynamic pointers arrays.
226 * hdpa1 [I] handle to a dynamic pointer array
227 * hdpa2 [I] handle to a dynamic pointer array
229 * pfnCompare [I] pointer to sort function
230 * pfnMerge [I] pointer to merge function
231 * lParam [I] application specific value
238 * No more information available yet!
240 BOOL WINAPI DPA_Merge (const HDPA hdpa1, const HDPA hdpa2, DWORD dwFlags,
241 PFNDPACOMPARE pfnCompare, PFNDPAMERGE pfnMerge,
245 LPVOID *pWork1, *pWork2;
249 TRACE("%p %p %08lx %p %p %08lx)\n",
250 hdpa1, hdpa2, dwFlags, pfnCompare, pfnMerge, lParam);
252 if (IsBadWritePtr (hdpa1, sizeof(*hdpa1)))
255 if (IsBadWritePtr (hdpa2, sizeof(*hdpa2)))
258 if (IsBadCodePtr ((FARPROC)pfnCompare))
261 if (IsBadCodePtr ((FARPROC)pfnMerge))
264 if (!(dwFlags & DPAM_NOSORT)) {
265 TRACE("sorting dpa's!\n");
266 if (hdpa1->nItemCount > 0)
267 DPA_Sort (hdpa1, pfnCompare, lParam);
268 TRACE ("dpa 1 sorted!\n");
269 if (hdpa2->nItemCount > 0)
270 DPA_Sort (hdpa2, pfnCompare, lParam);
271 TRACE ("dpa 2 sorted!\n");
274 if (hdpa2->nItemCount < 1)
277 TRACE("hdpa1->nItemCount=%d hdpa2->nItemCount=%d\n",
278 hdpa1->nItemCount, hdpa2->nItemCount);
281 /* working but untrusted implementation */
283 pWork1 = &(hdpa1->ptrs[hdpa1->nItemCount - 1]);
284 pWork2 = &(hdpa2->ptrs[hdpa2->nItemCount - 1]);
286 nIndex = hdpa1->nItemCount - 1;
287 nCount = hdpa2->nItemCount - 1;
292 if ((nCount >= 0) && (dwFlags & DPAM_INSERT)) {
293 /* Now insert the remaining new items into DPA 1 */
294 TRACE("%d items to be inserted at start of DPA 1\n",
296 for (i=nCount; i>=0; i--) {
299 ptr = (pfnMerge)(3, *pWork2, NULL, lParam);
302 DPA_InsertPtr (hdpa1, 0, ptr);
308 nResult = (pfnCompare)(*pWork1, *pWork2, lParam);
309 TRACE("compare result=%d, dpa1.cnt=%d, dpa2.cnt=%d\n",
310 nResult, nIndex, nCount);
316 ptr = (pfnMerge)(1, *pWork1, *pWork2, lParam);
326 else if (nResult > 0)
328 /* item in DPA 1 missing from DPA 2 */
329 if (dwFlags & DPAM_DELETE)
331 /* Now delete the extra item in DPA1 */
334 ptr = DPA_DeletePtr (hdpa1, hdpa1->nItemCount - 1);
336 (pfnMerge)(2, ptr, NULL, lParam);
343 /* new item in DPA 2 */
344 if (dwFlags & DPAM_INSERT)
346 /* Now insert the new item in DPA 1 */
349 ptr = (pfnMerge)(3, *pWork2, NULL, lParam);
352 DPA_InsertPtr (hdpa1, nIndex+1, ptr);
365 /**************************************************************************
366 * Alloc [COMCTL32.71]
368 * Allocates memory block from the dll's private heap
371 * dwSize [I] size of the allocated memory block
374 * Success: pointer to allocated memory block
377 LPVOID WINAPI Alloc (DWORD dwSize)
379 return LocalAlloc( LMEM_ZEROINIT, dwSize );
383 /**************************************************************************
384 * ReAlloc [COMCTL32.72]
386 * Changes the size of an allocated memory block or allocates a memory
387 * block using the dll's private heap.
390 * lpSrc [I] pointer to memory block which will be resized
391 * dwSize [I] new size of the memory block.
394 * Success: pointer to the resized memory block
398 * If lpSrc is a NULL-pointer, then ReAlloc allocates a memory
401 LPVOID WINAPI ReAlloc (LPVOID lpSrc, DWORD dwSize)
404 return LocalReAlloc( lpSrc, dwSize, LMEM_ZEROINIT );
406 return LocalAlloc( LMEM_ZEROINIT, dwSize);
410 /**************************************************************************
413 * Frees an allocated memory block from the dll's private heap.
416 * lpMem [I] pointer to memory block which will be freed
422 BOOL WINAPI Free (LPVOID lpMem)
424 return !LocalFree( lpMem );
428 /**************************************************************************
429 * GetSize [COMCTL32.74]
431 * Retrieves the size of the specified memory block from the dll's
435 * lpMem [I] pointer to an allocated memory block
438 * Success: size of the specified memory block
441 DWORD WINAPI GetSize (LPVOID lpMem)
443 return LocalSize( lpMem );
447 /**************************************************************************
448 * MRU-Functions {COMCTL32}
451 * The MRU-Api is a set of functions to manipulate lists of M.R.U. (Most Recently
452 * Used) items. It is an undocumented Api that is used (at least) by the shell
453 * and explorer to implement their recent documents feature.
455 * Since these functions are undocumented, they are unsupported by MS and
456 * may change at any time.
458 * Internally, the list is implemented as a last in, last out list of items
459 * persisted into the system registry under a caller chosen key. Each list
460 * item is given a one character identifier in the Ascii range from 'a' to
461 * '}'. A list of the identifiers in order from newest to oldest is stored
462 * under the same key in a value named "MRUList".
464 * Items are re-ordered by changing the order of the values in the MRUList
465 * value. When a new item is added, it becomes the new value of the oldest
466 * identifier, and that identifier is moved to the front of the MRUList value.
468 * Wine stores MRU-lists in the same registry format as Windows, so when
469 * switching between the builtin and native comctl32.dll no problems or
470 * incompatibilities should occur.
472 * The following undocumented structure is used to create an MRU-list:
473 *|typedef INT (CALLBACK *MRUStringCmpFn)(LPCTSTR lhs, LPCTSTR rhs);
474 *|typedef INT (CALLBACK *MRUBinaryCmpFn)(LPCVOID lhs, LPCVOID rhs, DWORD length);
476 *|typedef struct tagCREATEMRULIST
482 *| LPCTSTR lpszSubKey;
484 *|} CREATEMRULIST, *LPCREATEMRULIST;
487 * cbSize [I] The size of the CREATEMRULIST structure. This must be set
488 * to sizeof(CREATEMRULIST) by the caller.
489 * nMaxItems [I] The maximum number of items allowed in the list. Because
490 * of the limited number of identifiers, this should be set to
491 * a value from 1 to 30 by the caller.
492 * dwFlags [I] If bit 0 is set, the list will be used to store binary
493 * data, otherwise it is assumed to store strings. If bit 1
494 * is set, every change made to the list will be reflected in
495 * the registry immediately, otherwise changes will only be
496 * written when the list is closed.
497 * hKey [I] The registry key that the list should be written under.
498 * This must be supplied by the caller.
499 * lpszSubKey [I] A caller supplied name of a subkey under hKey to write
500 * the list to. This may not be blank.
501 * lpfnCompare [I] A caller supplied comparison function, which may be either
502 * an MRUStringCmpFn if dwFlags does not have bit 0 set, or a
503 * MRUBinaryCmpFn otherwise.
506 * - Create an MRU-list with CreateMRUList() or CreateMRUListLazy().
507 * - Add items to an MRU-list with AddMRUString() or AddMRUData().
508 * - Remove items from an MRU-list with DelMRUString().
509 * - Find data in an MRU-list with FindMRUString() or FindMRUData().
510 * - Iterate through an MRU-list with EnumMRUList().
511 * - Free an MRU-list with FreeMRUList().
514 typedef struct tagCREATEMRULISTA
522 } CREATEMRULISTA, *LPCREATEMRULISTA;
524 typedef struct tagCREATEMRULISTW
532 } CREATEMRULISTW, *LPCREATEMRULISTW;
535 #define MRUF_STRING_LIST 0 /* list will contain strings */
536 #define MRUF_BINARY_LIST 1 /* list will contain binary data */
537 #define MRUF_DELAYED_SAVE 2 /* only save list order to reg. is FreeMRUList */
539 /* If list is a string list lpfnCompare has the following prototype
540 * int CALLBACK MRUCompareString(LPCSTR s1, LPCSTR s2)
541 * for binary lists the prototype is
542 * int CALLBACK MRUCompareBinary(LPCVOID data1, LPCVOID data2, DWORD cbData)
543 * where cbData is the no. of bytes to compare.
544 * Need to check what return value means identical - 0?
547 typedef struct tagWINEMRUITEM
549 DWORD size; /* size of data stored */
550 DWORD itemFlag; /* flags */
552 } WINEMRUITEM, *LPWINEMRUITEM;
555 #define WMRUIF_CHANGED 0x0001 /* this dataitem changed */
557 typedef struct tagWINEMRULIST
559 CREATEMRULISTW extview; /* original create information */
560 BOOL isUnicode; /* is compare fn Unicode */
561 DWORD wineFlags; /* internal flags */
562 DWORD cursize; /* current size of realMRU */
563 LPWSTR realMRU; /* pointer to string of index names */
564 LPWINEMRUITEM *array; /* array of pointers to data */
565 /* in 'a' to 'z' order */
566 } WINEMRULIST, *LPWINEMRULIST;
569 #define WMRUF_CHANGED 0x0001 /* MRU list has changed */
571 /**************************************************************************
572 * MRU_SaveChanged (internal)
574 * Local MRU saving code
576 static void MRU_SaveChanged ( LPWINEMRULIST mp )
582 static const WCHAR emptyW[] = {'\0'};
584 /* or should we do the following instead of RegOpenKeyEx:
587 /* open the sub key */
588 if ((err = RegOpenKeyExW( mp->extview.hKey, mp->extview.lpszSubKey,
589 0, KEY_WRITE, &newkey))) {
590 /* not present - what to do ??? */
591 ERR("Could not open key, error=%d, attempting to create\n",
593 if ((err = RegCreateKeyExW( mp->extview.hKey, mp->extview.lpszSubKey,
596 REG_OPTION_NON_VOLATILE,
597 KEY_READ | KEY_WRITE,
601 ERR("failed to create key /%s/, err=%d\n",
602 debugstr_w(mp->extview.lpszSubKey), err);
606 if (mp->wineFlags & WMRUF_CHANGED) {
607 mp->wineFlags &= ~WMRUF_CHANGED;
608 err = RegSetValueExW(newkey, strMRUList, 0, REG_SZ, (LPBYTE)mp->realMRU,
609 (strlenW(mp->realMRU) + 1)*sizeof(WCHAR));
611 ERR("error saving MRUList, err=%d\n", err);
613 TRACE("saving MRUList=/%s/\n", debugstr_w(mp->realMRU));
616 for(i=0; i<mp->cursize; i++) {
617 witem = mp->array[i];
618 if (witem->itemFlag & WMRUIF_CHANGED) {
619 witem->itemFlag &= ~WMRUIF_CHANGED;
620 realname[0] = 'a' + i;
621 err = RegSetValueExW(newkey, realname, 0,
622 (mp->extview.dwFlags & MRUF_BINARY_LIST) ?
624 &witem->datastart, witem->size);
626 ERR("error saving /%s/, err=%d\n", debugstr_w(realname), err);
628 TRACE("saving value for name /%s/ size=%ld\n",
629 debugstr_w(realname), witem->size);
632 RegCloseKey( newkey );
635 /**************************************************************************
636 * FreeMRUList [COMCTL32.152]
638 * Frees a most-recently-used items list.
641 * hMRUList [I] Handle to list.
646 void WINAPI FreeMRUList (HANDLE hMRUList)
648 LPWINEMRULIST mp = (LPWINEMRULIST)hMRUList;
651 TRACE("(%p)\n", hMRUList);
655 if (mp->wineFlags & WMRUF_CHANGED) {
656 /* need to open key and then save the info */
657 MRU_SaveChanged( mp );
660 for(i=0; i<mp->extview.nMaxItems; i++) {
666 Free((LPWSTR)mp->extview.lpszSubKey);
671 /**************************************************************************
672 * FindMRUData [COMCTL32.169]
674 * Searches binary list for item that matches lpData of length cbData.
675 * Returns position in list order 0 -> MRU and if lpRegNum != NULL then value
676 * corresponding to item's reg. name will be stored in it ('a' -> 0).
679 * hList [I] list handle
680 * lpData [I] data to find
681 * cbData [I] length of data
682 * lpRegNum [O] position in registry (maybe NULL)
685 * Position in list 0 -> MRU. -1 if item not found.
687 INT WINAPI FindMRUData (HANDLE hList, LPCVOID lpData, DWORD cbData,
690 LPWINEMRULIST mp = (LPWINEMRULIST)hList;
695 if (!mp->extview.lpfnCompare) {
696 ERR("MRU list not properly created. No compare procedure.\n");
700 if(!(mp->extview.dwFlags & MRUF_BINARY_LIST) && !mp->isUnicode) {
701 DWORD len = WideCharToMultiByte(CP_ACP, 0, lpData, -1,
702 NULL, 0, NULL, NULL);
704 WideCharToMultiByte(CP_ACP, 0, lpData, -1, dataA, len, NULL, NULL);
707 for(i=0; i<mp->cursize; i++) {
708 if (mp->extview.dwFlags & MRUF_BINARY_LIST) {
709 if (!mp->extview.lpfnCompare(lpData, &mp->array[i]->datastart,
715 if (!mp->extview.lpfnCompare(lpData, &mp->array[i]->datastart))
718 DWORD len = WideCharToMultiByte(CP_ACP, 0,
719 (LPWSTR)&mp->array[i]->datastart, -1,
720 NULL, 0, NULL, NULL);
721 LPSTR itemA = Alloc(len);
723 WideCharToMultiByte(CP_ACP, 0, (LPWSTR)&mp->array[i]->datastart, -1,
724 itemA, len, NULL, NULL);
726 cmp = mp->extview.lpfnCompare(dataA, itemA);
739 if (lpRegNum && (ret != -1))
742 TRACE("(%p, %p, %ld, %p) returning %d\n",
743 hList, lpData, cbData, lpRegNum, ret);
749 /**************************************************************************
750 * AddMRUData [COMCTL32.167]
752 * Add item to MRU binary list. If item already exists in list then it is
753 * simply moved up to the top of the list and not added again. If list is
754 * full then the least recently used item is removed to make room.
757 * hList [I] Handle to list.
758 * lpData [I] ptr to data to add.
759 * cbData [I] no. of bytes of data.
762 * No. corresponding to registry name where value is stored 'a' -> 0 etc.
765 INT WINAPI AddMRUData (HANDLE hList, LPCVOID lpData, DWORD cbData)
767 LPWINEMRULIST mp = (LPWINEMRULIST)hList;
771 if ((replace = FindMRUData (hList, lpData, cbData, NULL)) >= 0) {
772 /* Item exists, just move it to the front */
773 LPWSTR pos = strchrW(mp->realMRU, replace + 'a');
774 while (pos > mp->realMRU)
781 /* either add a new entry or replace oldest */
782 if (mp->cursize < mp->extview.nMaxItems) {
783 /* Add in a new item */
784 replace = mp->cursize;
788 /* get the oldest entry and replace data */
789 replace = mp->realMRU[mp->cursize - 1] - 'a';
790 Free(mp->array[replace]);
793 /* Allocate space for new item and move in the data */
794 mp->array[replace] = witem = Alloc(cbData + sizeof(WINEMRUITEM));
795 witem->itemFlag |= WMRUIF_CHANGED;
796 witem->size = cbData;
797 memcpy( &witem->datastart, lpData, cbData);
799 /* now rotate MRU list */
800 for(i=mp->cursize-1; i>=1; i--)
801 mp->realMRU[i] = mp->realMRU[i-1];
804 /* The new item gets the front spot */
805 mp->wineFlags |= WMRUF_CHANGED;
806 mp->realMRU[0] = replace + 'a';
808 TRACE("(%p, %p, %ld) adding data, /%c/ now most current\n",
809 hList, lpData, cbData, replace+'a');
811 if (!(mp->extview.dwFlags & MRUF_DELAYED_SAVE)) {
812 /* save changed stuff right now */
813 MRU_SaveChanged( mp );
819 /**************************************************************************
820 * AddMRUStringW [COMCTL32.401]
822 * Add an item to an MRU string list.
825 * hList [I] Handle to list.
826 * lpszString [I] The string to add.
829 * Success: The number corresponding to the registry name where the string
830 * has been stored (0 maps to 'a', 1 to 'b' and so on).
831 * Failure: -1, if hList is NULL or memory allocation fails. If lpszString
832 * is invalid, the function returns 0, and GetLastError() returns
833 * ERROR_INVALID_PARAMETER. The last error value is set only in
837 * -If lpszString exists in the list already, it is moved to the top of the
838 * MRU list (it is not duplicated).
839 * -If the list is full the least recently used list entry is replaced with
841 * -If this function returns 0 you should check the last error value to
842 * ensure the call really succeeded.
844 INT WINAPI AddMRUStringW(HANDLE hList, LPCWSTR lpszString)
846 TRACE("(%p,%s)\n", hList, debugstr_w(lpszString));
851 if (!lpszString || IsBadStringPtrW(lpszString, -1))
853 SetLastError(ERROR_INVALID_PARAMETER);
857 return AddMRUData(hList, lpszString,
858 (strlenW(lpszString) + 1) * sizeof(WCHAR));
861 /**************************************************************************
862 * AddMRUStringA [COMCTL32.153]
866 INT WINAPI AddMRUStringA(HANDLE hList, LPCSTR lpszString)
872 TRACE("(%p,%s)\n", hList, debugstr_a(lpszString));
877 if (IsBadStringPtrA(lpszString, -1))
879 SetLastError(ERROR_INVALID_PARAMETER);
883 len = MultiByteToWideChar(CP_ACP, 0, lpszString, -1, NULL, 0) * sizeof(WCHAR);
884 stringW = Alloc(len);
888 MultiByteToWideChar(CP_ACP, 0, lpszString, -1, stringW, len);
889 ret = AddMRUData(hList, stringW, len);
894 /**************************************************************************
895 * DelMRUString [COMCTL32.156]
897 * Removes item from either string or binary list (despite its name)
900 * hList [I] list handle
901 * nItemPos [I] item position to remove 0 -> MRU
904 * TRUE if successful, FALSE if nItemPos is out of range.
906 BOOL WINAPI DelMRUString(HANDLE hList, INT nItemPos)
908 FIXME("(%p, %d): stub\n", hList, nItemPos);
912 /**************************************************************************
913 * FindMRUStringW [COMCTL32.402]
915 * See FindMRUStringA.
917 INT WINAPI FindMRUStringW (HANDLE hList, LPCWSTR lpszString, LPINT lpRegNum)
919 return FindMRUData(hList, lpszString,
920 (lstrlenW(lpszString) + 1) * sizeof(WCHAR), lpRegNum);
923 /**************************************************************************
924 * FindMRUStringA [COMCTL32.155]
926 * Searches string list for item that matches lpszString.
927 * Returns position in list order 0 -> MRU and if lpRegNum != NULL then value
928 * corresponding to item's reg. name will be stored in it ('a' -> 0).
931 * hList [I] list handle
932 * lpszString [I] string to find
933 * lpRegNum [O] position in registry (maybe NULL)
936 * Position in list 0 -> MRU. -1 if item not found.
938 INT WINAPI FindMRUStringA (HANDLE hList, LPCSTR lpszString, LPINT lpRegNum)
940 DWORD len = MultiByteToWideChar(CP_ACP, 0, lpszString, -1, NULL, 0);
941 LPWSTR stringW = Alloc(len * sizeof(WCHAR));
944 MultiByteToWideChar(CP_ACP, 0, lpszString, -1, stringW, len);
945 ret = FindMRUData(hList, stringW, len * sizeof(WCHAR), lpRegNum);
950 /*************************************************************************
951 * CreateMRUListLazy_common (internal)
953 static HANDLE CreateMRUListLazy_common(LPWINEMRULIST mp)
957 DWORD datasize, dwdisp;
961 static const WCHAR emptyW[] = {'\0'};
963 /* get space to save indices that will turn into names
964 * but in order of most to least recently used
966 mp->realMRU = Alloc((mp->extview.nMaxItems + 2) * sizeof(WCHAR));
968 /* get space to save pointers to actual data in order of
969 * 'a' to 'z' (0 to n).
971 mp->array = Alloc(mp->extview.nMaxItems * sizeof(LPVOID));
973 /* open the sub key */
974 if ((err = RegCreateKeyExW( mp->extview.hKey, mp->extview.lpszSubKey,
977 REG_OPTION_NON_VOLATILE,
978 KEY_READ | KEY_WRITE,
982 /* error - what to do ??? */
983 ERR("(%lu %lu %lx %lx \"%s\" %p): Could not open key, error=%d\n",
984 mp->extview.cbSize, mp->extview.nMaxItems, mp->extview.dwFlags,
985 (DWORD)mp->extview.hKey, debugstr_w(mp->extview.lpszSubKey),
986 mp->extview.lpfnCompare, err);
990 /* get values from key 'MRUList' */
992 datasize = mp->extview.nMaxItems + 1;
993 if((err=RegQueryValueExW( newkey, strMRUList, 0, &type,
994 (LPBYTE)mp->realMRU, &datasize))) {
995 /* not present - set size to 1 (will become 0 later) */
1000 TRACE("MRU list = %s, datasize = %ld\n", debugstr_w(mp->realMRU), datasize);
1002 mp->cursize = datasize - 1;
1003 /* datasize now has number of items in the MRUList */
1005 /* get actual values for each entry */
1007 for(i=0; i<mp->cursize; i++) {
1008 realname[0] = 'a' + i;
1009 if(RegQueryValueExW( newkey, realname, 0, &type, 0, &datasize)) {
1010 /* not present - what to do ??? */
1011 ERR("Key %s not found 1\n", debugstr_w(realname));
1013 mp->array[i] = witem = Alloc(datasize + sizeof(WINEMRUITEM));
1014 witem->size = datasize;
1015 if(RegQueryValueExW( newkey, realname, 0, &type,
1016 &witem->datastart, &datasize)) {
1017 /* not present - what to do ??? */
1018 ERR("Key %s not found 2\n", debugstr_w(realname));
1021 RegCloseKey( newkey );
1026 TRACE("(%lu %lu %lx %lx \"%s\" %p): Current Size = %ld\n",
1027 mp->extview.cbSize, mp->extview.nMaxItems, mp->extview.dwFlags,
1028 (DWORD)mp->extview.hKey, debugstr_w(mp->extview.lpszSubKey),
1029 mp->extview.lpfnCompare, mp->cursize);
1033 /**************************************************************************
1034 * CreateMRUListLazyW [COMCTL32.404]
1036 * See CreateMRUListLazyA.
1038 HANDLE WINAPI CreateMRUListLazyW (LPCREATEMRULISTW lpcml, DWORD dwParam2,
1039 DWORD dwParam3, DWORD dwParam4)
1043 /* Native does not check for a NULL lpcml */
1045 if (lpcml->cbSize != sizeof(CREATEMRULISTW) || !lpcml->hKey ||
1046 IsBadStringPtrW(lpcml->lpszSubKey, -1))
1049 mp = Alloc(sizeof(WINEMRULIST));
1050 memcpy(&mp->extview, lpcml, sizeof(CREATEMRULISTW));
1051 mp->extview.lpszSubKey = Alloc((strlenW(lpcml->lpszSubKey) + 1) * sizeof(WCHAR));
1052 strcpyW((LPWSTR)mp->extview.lpszSubKey, lpcml->lpszSubKey);
1053 mp->isUnicode = TRUE;
1055 return CreateMRUListLazy_common(mp);
1058 /**************************************************************************
1059 * CreateMRUListLazyA [COMCTL32.157]
1061 * Creates a most-recently-used list.
1064 * lpcml [I] ptr to CREATEMRULIST structure.
1065 * dwParam2 [I] Unknown
1066 * dwParam3 [I] Unknown
1067 * dwParam4 [I] Unknown
1070 * Handle to MRU list.
1072 HANDLE WINAPI CreateMRUListLazyA (LPCREATEMRULISTA lpcml, DWORD dwParam2,
1073 DWORD dwParam3, DWORD dwParam4)
1078 /* Native does not check for a NULL lpcml */
1080 if (lpcml->cbSize != sizeof(CREATEMRULISTA) || !lpcml->hKey ||
1081 IsBadStringPtrA(lpcml->lpszSubKey, -1))
1084 mp = Alloc(sizeof(WINEMRULIST));
1085 memcpy(&mp->extview, lpcml, sizeof(CREATEMRULISTW));
1086 len = MultiByteToWideChar(CP_ACP, 0, lpcml->lpszSubKey, -1, NULL, 0);
1087 mp->extview.lpszSubKey = Alloc(len * sizeof(WCHAR));
1088 MultiByteToWideChar(CP_ACP, 0, lpcml->lpszSubKey, -1,
1089 (LPWSTR)mp->extview.lpszSubKey, len);
1090 mp->isUnicode = FALSE;
1091 return CreateMRUListLazy_common(mp);
1094 /**************************************************************************
1095 * CreateMRUListW [COMCTL32.400]
1097 * See CreateMRUListA.
1099 HANDLE WINAPI CreateMRUListW (LPCREATEMRULISTW lpcml)
1101 return CreateMRUListLazyW(lpcml, 0, 0, 0);
1104 /**************************************************************************
1105 * CreateMRUListA [COMCTL32.151]
1107 * Creates a most-recently-used list.
1110 * lpcml [I] ptr to CREATEMRULIST structure.
1113 * Handle to MRU list.
1115 HANDLE WINAPI CreateMRUListA (LPCREATEMRULISTA lpcml)
1117 return CreateMRUListLazyA (lpcml, 0, 0, 0);
1121 /**************************************************************************
1122 * EnumMRUListW [COMCTL32.403]
1124 * Enumerate item in a most-recenty-used list
1127 * hList [I] list handle
1128 * nItemPos [I] item position to enumerate
1129 * lpBuffer [O] buffer to receive item
1130 * nBufferSize [I] size of buffer
1133 * For binary lists specifies how many bytes were copied to buffer, for
1134 * string lists specifies full length of string. Enumerating past the end
1135 * of list returns -1.
1136 * If lpBuffer == NULL or nItemPos is -ve return value is no. of items in
1139 INT WINAPI EnumMRUListW (HANDLE hList, INT nItemPos, LPVOID lpBuffer,
1142 LPWINEMRULIST mp = (LPWINEMRULIST) hList;
1143 LPWINEMRUITEM witem;
1144 INT desired, datasize;
1146 if (nItemPos >= mp->cursize) return -1;
1147 if ((nItemPos < 0) || !lpBuffer) return mp->cursize;
1148 desired = mp->realMRU[nItemPos];
1150 TRACE("nItemPos=%d, desired=%d\n", nItemPos, desired);
1151 witem = mp->array[desired];
1152 datasize = min( witem->size, nBufferSize );
1153 memcpy( lpBuffer, &witem->datastart, datasize);
1154 TRACE("(%p, %d, %p, %ld): returning len=%d\n",
1155 hList, nItemPos, lpBuffer, nBufferSize, datasize);
1159 /**************************************************************************
1160 * EnumMRUListA [COMCTL32.154]
1164 INT WINAPI EnumMRUListA (HANDLE hList, INT nItemPos, LPVOID lpBuffer,
1167 LPWINEMRULIST mp = (LPWINEMRULIST) hList;
1168 LPWINEMRUITEM witem;
1169 INT desired, datasize;
1172 if (nItemPos >= mp->cursize) return -1;
1173 if ((nItemPos < 0) || !lpBuffer) return mp->cursize;
1174 desired = mp->realMRU[nItemPos];
1176 TRACE("nItemPos=%d, desired=%d\n", nItemPos, desired);
1177 witem = mp->array[desired];
1178 if(mp->extview.dwFlags & MRUF_BINARY_LIST) {
1179 datasize = min( witem->size, nBufferSize );
1180 memcpy( lpBuffer, &witem->datastart, datasize);
1182 lenA = WideCharToMultiByte(CP_ACP, 0, (LPWSTR)&witem->datastart, -1,
1183 NULL, 0, NULL, NULL);
1184 datasize = min( witem->size, nBufferSize );
1185 WideCharToMultiByte(CP_ACP, 0, (LPWSTR)&witem->datastart, -1,
1186 lpBuffer, datasize, NULL, NULL);
1188 TRACE("(%p, %d, %p, %ld): returning len=%d\n",
1189 hList, nItemPos, lpBuffer, nBufferSize, datasize);
1194 /**************************************************************************
1195 * Str_GetPtrA [COMCTL32.233]
1197 * Copies a string into a destination buffer.
1200 * lpSrc [I] Source string
1201 * lpDest [O] Destination buffer
1202 * nMaxLen [I] Size of buffer in characters
1205 * The number of characters copied.
1207 INT WINAPI Str_GetPtrA (LPCSTR lpSrc, LPSTR lpDest, INT nMaxLen)
1211 TRACE("(%p %p %d)\n", lpSrc, lpDest, nMaxLen);
1213 if (!lpDest && lpSrc)
1214 return strlen (lpSrc);
1219 if (lpSrc == NULL) {
1224 len = strlen (lpSrc);
1228 RtlMoveMemory (lpDest, lpSrc, len);
1235 /**************************************************************************
1236 * Str_SetPtrA [COMCTL32.234]
1238 * Makes a copy of a string, allocating memory if necessary.
1241 * lppDest [O] Pointer to destination string
1242 * lpSrc [I] Source string
1249 * Set lpSrc to NULL to free the memory allocated by a previous call
1252 BOOL WINAPI Str_SetPtrA (LPSTR *lppDest, LPCSTR lpSrc)
1254 TRACE("(%p %p)\n", lppDest, lpSrc);
1257 LPSTR ptr = ReAlloc (*lppDest, strlen (lpSrc) + 1);
1260 strcpy (ptr, lpSrc);
1274 /**************************************************************************
1275 * Str_GetPtrW [COMCTL32.235]
1279 INT WINAPI Str_GetPtrW (LPCWSTR lpSrc, LPWSTR lpDest, INT nMaxLen)
1283 TRACE("(%p %p %d)\n", lpSrc, lpDest, nMaxLen);
1285 if (!lpDest && lpSrc)
1286 return strlenW (lpSrc);
1291 if (lpSrc == NULL) {
1296 len = strlenW (lpSrc);
1300 RtlMoveMemory (lpDest, lpSrc, len*sizeof(WCHAR));
1301 lpDest[len] = L'\0';
1307 /**************************************************************************
1308 * Str_SetPtrW [COMCTL32.236]
1312 BOOL WINAPI Str_SetPtrW (LPWSTR *lppDest, LPCWSTR lpSrc)
1314 TRACE("(%p %p)\n", lppDest, lpSrc);
1317 INT len = strlenW (lpSrc) + 1;
1318 LPWSTR ptr = ReAlloc (*lppDest, len * sizeof(WCHAR));
1321 strcpyW (ptr, lpSrc);
1335 /**************************************************************************
1336 * Str_GetPtrWtoA [internal]
1338 * Converts a unicode string into a multi byte string
1341 * lpSrc [I] Pointer to the unicode source string
1342 * lpDest [O] Pointer to caller supplied storage for the multi byte string
1343 * nMaxLen [I] Size, in bytes, of the destination buffer
1346 * Length, in bytes, of the converted string.
1349 INT Str_GetPtrWtoA (LPCWSTR lpSrc, LPSTR lpDest, INT nMaxLen)
1353 TRACE("(%s %p %d)\n", debugstr_w(lpSrc), lpDest, nMaxLen);
1355 if (!lpDest && lpSrc)
1356 return WideCharToMultiByte(CP_ACP, 0, lpSrc, -1, 0, 0, NULL, NULL);
1361 if (lpSrc == NULL) {
1366 len = WideCharToMultiByte(CP_ACP, 0, lpSrc, -1, 0, 0, NULL, NULL);
1370 WideCharToMultiByte(CP_ACP, 0, lpSrc, -1, lpDest, len, NULL, NULL);
1377 /**************************************************************************
1378 * Str_SetPtrAtoW [internal]
1380 * Converts a multi byte string to a unicode string.
1381 * If the pointer to the destination buffer is NULL a buffer is allocated.
1382 * If the destination buffer is too small to keep the converted multi byte
1383 * string the destination buffer is reallocated. If the source pointer is
1384 * NULL, the destination buffer is freed.
1387 * lppDest [I/O] pointer to a pointer to the destination buffer
1388 * lpSrc [I] pointer to a multi byte string
1391 * TRUE: conversion successful
1394 BOOL Str_SetPtrAtoW (LPWSTR *lppDest, LPCSTR lpSrc)
1396 TRACE("(%p %s)\n", lppDest, lpSrc);
1399 INT len = MultiByteToWideChar(CP_ACP,0,lpSrc,-1,NULL,0);
1400 LPWSTR ptr = ReAlloc (*lppDest, len*sizeof(WCHAR));
1404 MultiByteToWideChar(CP_ACP,0,lpSrc,-1,ptr,len);
1418 /**************************************************************************
1419 * DSA_Create [COMCTL32.320]
1421 * Creates a dynamic storage array
1424 * nSize [I] size of the array elements
1425 * nGrow [I] number of elements by which the array grows when it is filled
1428 * Success: pointer to an array control structure. Use this like a handle.
1432 * The DSA_ functions can be used to create and manipulate arrays of
1433 * fixed-size memory blocks. These arrays can store any kind of data
1434 * (e.g. strings and icons).
1436 HDSA WINAPI DSA_Create (INT nSize, INT nGrow)
1440 TRACE("(size=%d grow=%d)\n", nSize, nGrow);
1442 hdsa = Alloc (sizeof(*hdsa));
1445 hdsa->nItemCount = 0;
1447 hdsa->nMaxCount = 0;
1448 hdsa->nItemSize = nSize;
1449 hdsa->nGrow = max(1, nGrow);
1456 /**************************************************************************
1457 * DSA_Destroy [COMCTL32.321]
1459 * Destroys a dynamic storage array
1462 * hdsa [I] pointer to the array control structure
1468 BOOL WINAPI DSA_Destroy (const HDSA hdsa)
1470 TRACE("(%p)\n", hdsa);
1475 if (hdsa->pData && (!Free (hdsa->pData)))
1482 /**************************************************************************
1483 * DSA_GetItem [COMCTL32.322]
1485 * Copies the specified item into a caller-supplied buffer.
1488 * hdsa [I] pointer to the array control structure
1489 * nIndex [I] number of the Item to get
1490 * pDest [O] destination buffer. Has to be >= dwElementSize.
1496 BOOL WINAPI DSA_GetItem (const HDSA hdsa, INT nIndex, LPVOID pDest)
1500 TRACE("(%p %d %p)\n", hdsa, nIndex, pDest);
1504 if ((nIndex < 0) || (nIndex >= hdsa->nItemCount))
1507 pSrc = (char *) hdsa->pData + (hdsa->nItemSize * nIndex);
1508 memmove (pDest, pSrc, hdsa->nItemSize);
1514 /**************************************************************************
1515 * DSA_GetItemPtr [COMCTL32.323]
1517 * Retrieves a pointer to the specified item.
1520 * hdsa [I] pointer to the array control structure
1521 * nIndex [I] index of the desired item
1524 * Success: pointer to an item
1527 LPVOID WINAPI DSA_GetItemPtr (const HDSA hdsa, INT nIndex)
1531 TRACE("(%p %d)\n", hdsa, nIndex);
1535 if ((nIndex < 0) || (nIndex >= hdsa->nItemCount))
1538 pSrc = (char *) hdsa->pData + (hdsa->nItemSize * nIndex);
1540 TRACE("-- ret=%p\n", pSrc);
1546 /**************************************************************************
1547 * DSA_SetItem [COMCTL32.325]
1549 * Sets the contents of an item in the array.
1552 * hdsa [I] pointer to the array control structure
1553 * nIndex [I] index for the item
1554 * pSrc [I] pointer to the new item data
1560 BOOL WINAPI DSA_SetItem (const HDSA hdsa, INT nIndex, LPVOID pSrc)
1562 INT nSize, nNewItems;
1563 LPVOID pDest, lpTemp;
1565 TRACE("(%p %d %p)\n", hdsa, nIndex, pSrc);
1567 if ((!hdsa) || nIndex < 0)
1570 if (hdsa->nItemCount <= nIndex) {
1571 /* within the old array */
1572 if (hdsa->nMaxCount > nIndex) {
1573 /* within the allocated space, set a new boundary */
1574 hdsa->nItemCount = nIndex + 1;
1577 /* resize the block of memory */
1579 hdsa->nGrow * ((INT)(((nIndex + 1) - 1) / hdsa->nGrow) + 1);
1580 nSize = hdsa->nItemSize * nNewItems;
1582 lpTemp = ReAlloc (hdsa->pData, nSize);
1586 hdsa->nMaxCount = nNewItems;
1587 hdsa->nItemCount = nIndex + 1;
1588 hdsa->pData = lpTemp;
1592 /* put the new entry in */
1593 pDest = (char *) hdsa->pData + (hdsa->nItemSize * nIndex);
1594 TRACE("-- move dest=%p src=%p size=%d\n",
1595 pDest, pSrc, hdsa->nItemSize);
1596 memmove (pDest, pSrc, hdsa->nItemSize);
1602 /**************************************************************************
1603 * DSA_InsertItem [COMCTL32.324]
1605 * Inserts an item into the array at the specified index.
1608 * hdsa [I] pointer to the array control structure
1609 * nIndex [I] index for the new item
1610 * pSrc [I] pointer to the element
1613 * Success: position of the new item
1616 INT WINAPI DSA_InsertItem (const HDSA hdsa, INT nIndex, LPVOID pSrc)
1618 INT nNewItems, nSize;
1619 LPVOID lpTemp, lpDest;
1621 TRACE("(%p %d %p)\n", hdsa, nIndex, pSrc);
1623 if ((!hdsa) || nIndex < 0)
1626 /* when nIndex >= nItemCount then append */
1627 if (nIndex >= hdsa->nItemCount)
1628 nIndex = hdsa->nItemCount;
1630 /* do we need to resize ? */
1631 if (hdsa->nItemCount >= hdsa->nMaxCount) {
1632 nNewItems = hdsa->nMaxCount + hdsa->nGrow;
1633 nSize = hdsa->nItemSize * nNewItems;
1635 lpTemp = ReAlloc (hdsa->pData, nSize);
1639 hdsa->nMaxCount = nNewItems;
1640 hdsa->pData = lpTemp;
1643 /* do we need to move elements ? */
1644 if (nIndex < hdsa->nItemCount) {
1645 lpTemp = (char *) hdsa->pData + (hdsa->nItemSize * nIndex);
1646 lpDest = (char *) lpTemp + hdsa->nItemSize;
1647 nSize = (hdsa->nItemCount - nIndex) * hdsa->nItemSize;
1648 TRACE("-- move dest=%p src=%p size=%d\n",
1649 lpDest, lpTemp, nSize);
1650 memmove (lpDest, lpTemp, nSize);
1653 /* ok, we can put the new Item in */
1655 lpDest = (char *) hdsa->pData + (hdsa->nItemSize * nIndex);
1656 TRACE("-- move dest=%p src=%p size=%d\n",
1657 lpDest, pSrc, hdsa->nItemSize);
1658 memmove (lpDest, pSrc, hdsa->nItemSize);
1664 /**************************************************************************
1665 * DSA_DeleteItem [COMCTL32.326]
1667 * Deletes the specified item from the array.
1670 * hdsa [I] pointer to the array control structure
1671 * nIndex [I] index for the element to delete
1674 * Success: number of the deleted element
1677 INT WINAPI DSA_DeleteItem (const HDSA hdsa, INT nIndex)
1679 LPVOID lpDest,lpSrc;
1682 TRACE("(%p %d)\n", hdsa, nIndex);
1686 if (nIndex < 0 || nIndex >= hdsa->nItemCount)
1689 /* do we need to move ? */
1690 if (nIndex < hdsa->nItemCount - 1) {
1691 lpDest = (char *) hdsa->pData + (hdsa->nItemSize * nIndex);
1692 lpSrc = (char *) lpDest + hdsa->nItemSize;
1693 nSize = hdsa->nItemSize * (hdsa->nItemCount - nIndex - 1);
1694 TRACE("-- move dest=%p src=%p size=%d\n",
1695 lpDest, lpSrc, nSize);
1696 memmove (lpDest, lpSrc, nSize);
1702 if ((hdsa->nMaxCount - hdsa->nItemCount) >= hdsa->nGrow) {
1703 nSize = hdsa->nItemSize * hdsa->nItemCount;
1705 lpDest = ReAlloc (hdsa->pData, nSize);
1709 hdsa->nMaxCount = hdsa->nItemCount;
1710 hdsa->pData = lpDest;
1717 /**************************************************************************
1718 * DSA_DeleteAllItems [COMCTL32.327]
1720 * Removes all items and reinitializes the array.
1723 * hdsa [I] pointer to the array control structure
1729 BOOL WINAPI DSA_DeleteAllItems (const HDSA hdsa)
1731 TRACE("(%p)\n", hdsa);
1735 if (hdsa->pData && (!Free (hdsa->pData)))
1738 hdsa->nItemCount = 0;
1740 hdsa->nMaxCount = 0;
1746 /**************************************************************************
1747 * DPA_Destroy [COMCTL32.329]
1749 * Destroys a dynamic pointer array
1752 * hdpa [I] handle (pointer) to the pointer array
1758 BOOL WINAPI DPA_Destroy (const HDPA hdpa)
1760 TRACE("(%p)\n", hdpa);
1765 if (hdpa->ptrs && (!HeapFree (hdpa->hHeap, 0, hdpa->ptrs)))
1768 return HeapFree (hdpa->hHeap, 0, hdpa);
1772 /**************************************************************************
1773 * DPA_Grow [COMCTL32.330]
1775 * Sets the growth amount.
1778 * hdpa [I] handle (pointer) to the existing (source) pointer array
1779 * nGrow [I] number of items by which the array grows when it's too small
1785 BOOL WINAPI DPA_Grow (const HDPA hdpa, INT nGrow)
1787 TRACE("(%p %d)\n", hdpa, nGrow);
1792 hdpa->nGrow = max(8, nGrow);
1798 /**************************************************************************
1799 * DPA_Clone [COMCTL32.331]
1801 * Copies a pointer array to an other one or creates a copy
1804 * hdpa [I] handle (pointer) to the existing (source) pointer array
1805 * hdpaNew [O] handle (pointer) to the destination pointer array
1808 * Success: pointer to the destination pointer array.
1812 * - If the 'hdpaNew' is a NULL-Pointer, a copy of the source pointer
1813 * array will be created and it's handle (pointer) is returned.
1814 * - If 'hdpa' is a NULL-Pointer, the original implementation crashes,
1815 * this implementation just returns NULL.
1817 HDPA WINAPI DPA_Clone (const HDPA hdpa, const HDPA hdpaNew)
1819 INT nNewItems, nSize;
1825 TRACE("(%p %p)\n", hdpa, hdpaNew);
1828 /* create a new DPA */
1829 hdpaTemp = HeapAlloc (hdpa->hHeap, HEAP_ZERO_MEMORY,
1831 hdpaTemp->hHeap = hdpa->hHeap;
1832 hdpaTemp->nGrow = hdpa->nGrow;
1837 if (hdpaTemp->ptrs) {
1838 /* remove old pointer array */
1839 HeapFree (hdpaTemp->hHeap, 0, hdpaTemp->ptrs);
1840 hdpaTemp->ptrs = NULL;
1841 hdpaTemp->nItemCount = 0;
1842 hdpaTemp->nMaxCount = 0;
1845 /* create a new pointer array */
1846 nNewItems = hdpaTemp->nGrow *
1847 ((INT)((hdpa->nItemCount - 1) / hdpaTemp->nGrow) + 1);
1848 nSize = nNewItems * sizeof(LPVOID);
1849 hdpaTemp->ptrs = HeapAlloc (hdpaTemp->hHeap, HEAP_ZERO_MEMORY, nSize);
1850 hdpaTemp->nMaxCount = nNewItems;
1852 /* clone the pointer array */
1853 hdpaTemp->nItemCount = hdpa->nItemCount;
1854 memmove (hdpaTemp->ptrs, hdpa->ptrs,
1855 hdpaTemp->nItemCount * sizeof(LPVOID));
1861 /**************************************************************************
1862 * DPA_GetPtr [COMCTL32.332]
1864 * Retrieves a pointer from a dynamic pointer array
1867 * hdpa [I] handle (pointer) to the pointer array
1868 * nIndex [I] array index of the desired pointer
1874 LPVOID WINAPI DPA_GetPtr (const HDPA hdpa, INT nIndex)
1876 TRACE("(%p %d)\n", hdpa, nIndex);
1881 WARN("no pointer array.\n");
1884 if ((nIndex < 0) || (nIndex >= hdpa->nItemCount)) {
1885 WARN("not enough pointers in array (%d vs %d).\n",nIndex,hdpa->nItemCount);
1889 TRACE("-- %p\n", hdpa->ptrs[nIndex]);
1891 return hdpa->ptrs[nIndex];
1895 /**************************************************************************
1896 * DPA_GetPtrIndex [COMCTL32.333]
1898 * Retrieves the index of the specified pointer
1901 * hdpa [I] handle (pointer) to the pointer array
1905 * Success: index of the specified pointer
1908 INT WINAPI DPA_GetPtrIndex (const HDPA hdpa, LPVOID p)
1912 if (!hdpa || !hdpa->ptrs)
1915 for (i = 0; i < hdpa->nItemCount; i++) {
1916 if (hdpa->ptrs[i] == p)
1924 /**************************************************************************
1925 * DPA_InsertPtr [COMCTL32.334]
1927 * Inserts a pointer into a dynamic pointer array
1930 * hdpa [I] handle (pointer) to the array
1932 * p [I] pointer to insert
1935 * Success: index of the inserted pointer
1938 INT WINAPI DPA_InsertPtr (const HDPA hdpa, INT i, LPVOID p)
1940 TRACE("(%p %d %p)\n", hdpa, i, p);
1942 if (!hdpa || i < 0) return -1;
1945 i = hdpa->nItemCount;
1947 if (i >= hdpa->nItemCount)
1948 return DPA_SetPtr(hdpa, i, p) ? i : -1;
1950 /* create empty spot at the end */
1951 if (!DPA_SetPtr(hdpa, hdpa->nItemCount, 0)) return -1;
1952 memmove (hdpa->ptrs + i + 1, hdpa->ptrs + i, (hdpa->nItemCount - i - 1) * sizeof(LPVOID));
1957 /**************************************************************************
1958 * DPA_SetPtr [COMCTL32.335]
1960 * Sets a pointer in the pointer array
1963 * hdpa [I] handle (pointer) to the pointer array
1964 * i [I] index of the pointer that will be set
1965 * p [I] pointer to be set
1971 BOOL WINAPI DPA_SetPtr (const HDPA hdpa, INT i, LPVOID p)
1975 TRACE("(%p %d %p)\n", hdpa, i, p);
1977 if (!hdpa || i < 0 || i > 0x7fff)
1980 if (hdpa->nItemCount <= i) {
1981 /* within the old array */
1982 if (hdpa->nMaxCount <= i) {
1983 /* resize the block of memory */
1985 hdpa->nGrow * ((INT)(((i+1) - 1) / hdpa->nGrow) + 1);
1986 INT nSize = nNewItems * sizeof(LPVOID);
1989 lpTemp = HeapReAlloc (hdpa->hHeap, HEAP_ZERO_MEMORY, hdpa->ptrs, nSize);
1991 lpTemp = HeapAlloc (hdpa->hHeap, HEAP_ZERO_MEMORY, nSize);
1996 hdpa->nMaxCount = nNewItems;
1997 hdpa->ptrs = lpTemp;
1999 hdpa->nItemCount = i+1;
2002 /* put the new entry in */
2009 /**************************************************************************
2010 * DPA_DeletePtr [COMCTL32.336]
2012 * Removes a pointer from the pointer array.
2015 * hdpa [I] handle (pointer) to the pointer array
2016 * i [I] index of the pointer that will be deleted
2019 * Success: deleted pointer
2022 LPVOID WINAPI DPA_DeletePtr (const HDPA hdpa, INT i)
2024 LPVOID *lpDest, *lpSrc, lpTemp = NULL;
2027 TRACE("(%p %d)\n", hdpa, i);
2029 if ((!hdpa) || i < 0 || i >= hdpa->nItemCount)
2032 lpTemp = hdpa->ptrs[i];
2034 /* do we need to move ?*/
2035 if (i < hdpa->nItemCount - 1) {
2036 lpDest = hdpa->ptrs + i;
2038 nSize = (hdpa->nItemCount - i - 1) * sizeof(LPVOID);
2039 TRACE("-- move dest=%p src=%p size=%x\n",
2040 lpDest, lpSrc, nSize);
2041 memmove (lpDest, lpSrc, nSize);
2044 hdpa->nItemCount --;
2047 if ((hdpa->nMaxCount - hdpa->nItemCount) >= hdpa->nGrow) {
2048 INT nNewItems = max(hdpa->nGrow * 2, hdpa->nItemCount);
2049 nSize = nNewItems * sizeof(LPVOID);
2050 lpDest = HeapReAlloc (hdpa->hHeap, HEAP_ZERO_MEMORY,
2055 hdpa->nMaxCount = nNewItems;
2056 hdpa->ptrs = (LPVOID*)lpDest;
2063 /**************************************************************************
2064 * DPA_DeleteAllPtrs [COMCTL32.337]
2066 * Removes all pointers and reinitializes the array.
2069 * hdpa [I] handle (pointer) to the pointer array
2075 BOOL WINAPI DPA_DeleteAllPtrs (const HDPA hdpa)
2077 TRACE("(%p)\n", hdpa);
2082 if (hdpa->ptrs && (!HeapFree (hdpa->hHeap, 0, hdpa->ptrs)))
2085 hdpa->nItemCount = 0;
2086 hdpa->nMaxCount = hdpa->nGrow * 2;
2087 hdpa->ptrs = HeapAlloc (hdpa->hHeap, HEAP_ZERO_MEMORY,
2088 hdpa->nMaxCount * sizeof(LPVOID));
2094 /**************************************************************************
2095 * DPA_QuickSort [Internal]
2097 * Ordinary quicksort (used by DPA_Sort).
2100 * lpPtrs [I] pointer to the pointer array
2101 * l [I] index of the "left border" of the partition
2102 * r [I] index of the "right border" of the partition
2103 * pfnCompare [I] pointer to the compare function
2104 * lParam [I] user defined value (3rd parameter in compare function)
2109 static VOID DPA_QuickSort (LPVOID *lpPtrs, INT l, INT r,
2110 PFNDPACOMPARE pfnCompare, LPARAM lParam)
2115 TRACE("l=%i r=%i\n", l, r);
2117 if (l==r) /* one element is always sorted */
2119 if (r<l) /* oops, got it in the wrong order */
2121 DPA_QuickSort(lpPtrs, r, l, pfnCompare, lParam);
2124 m = (l+r)/2; /* divide by two */
2125 DPA_QuickSort(lpPtrs, l, m, pfnCompare, lParam);
2126 DPA_QuickSort(lpPtrs, m+1, r, pfnCompare, lParam);
2128 /* join the two sides */
2129 while( (l<=m) && (m<r) )
2131 if(pfnCompare(lpPtrs[l],lpPtrs[m+1],lParam)>0)
2134 memmove(&lpPtrs[l+1],&lpPtrs[l],(m-l+1)*sizeof(lpPtrs[l]));
2144 /**************************************************************************
2145 * DPA_Sort [COMCTL32.338]
2147 * Sorts a pointer array using a user defined compare function
2150 * hdpa [I] handle (pointer) to the pointer array
2151 * pfnCompare [I] pointer to the compare function
2152 * lParam [I] user defined value (3rd parameter of compare function)
2158 BOOL WINAPI DPA_Sort (const HDPA hdpa, PFNDPACOMPARE pfnCompare, LPARAM lParam)
2160 if (!hdpa || !pfnCompare)
2163 TRACE("(%p %p 0x%lx)\n", hdpa, pfnCompare, lParam);
2165 if ((hdpa->nItemCount > 1) && (hdpa->ptrs))
2166 DPA_QuickSort (hdpa->ptrs, 0, hdpa->nItemCount - 1,
2167 pfnCompare, lParam);
2173 /**************************************************************************
2174 * DPA_Search [COMCTL32.339]
2176 * Searches a pointer array for a specified pointer
2179 * hdpa [I] handle (pointer) to the pointer array
2180 * pFind [I] pointer to search for
2181 * nStart [I] start index
2182 * pfnCompare [I] pointer to the compare function
2183 * lParam [I] user defined value (3rd parameter of compare function)
2184 * uOptions [I] search options
2187 * Success: index of the pointer in the array.
2191 * Binary search taken from R.Sedgewick "Algorithms in C"!
2192 * Function is NOT tested!
2193 * If something goes wrong, blame HIM not ME! (Eric Kohl)
2195 INT WINAPI DPA_Search (const HDPA hdpa, LPVOID pFind, INT nStart,
2196 PFNDPACOMPARE pfnCompare, LPARAM lParam, UINT uOptions)
2198 if (!hdpa || !pfnCompare || !pFind)
2201 TRACE("(%p %p %d %p 0x%08lx 0x%08x)\n",
2202 hdpa, pFind, nStart, pfnCompare, lParam, uOptions);
2204 if (uOptions & DPAS_SORTED) {
2205 /* array is sorted --> use binary search */
2209 TRACE("binary search\n");
2211 l = (nStart == -1) ? 0 : nStart;
2212 r = hdpa->nItemCount - 1;
2216 n = (pfnCompare)(pFind, lpPtr[x], lParam);
2222 TRACE("-- ret=%d\n", n);
2227 if (uOptions & DPAS_INSERTBEFORE) {
2229 TRACE("-- ret=%d\n", r);
2233 if (uOptions & DPAS_INSERTAFTER) {
2234 TRACE("-- ret=%d\n", l);
2239 /* array is not sorted --> use linear search */
2243 TRACE("linear search\n");
2245 nIndex = (nStart == -1)? 0 : nStart;
2247 for (; nIndex < hdpa->nItemCount; nIndex++) {
2248 if ((pfnCompare)(pFind, lpPtr[nIndex], lParam) == 0) {
2249 TRACE("-- ret=%d\n", nIndex);
2255 TRACE("-- not found: ret=-1\n");
2260 /**************************************************************************
2261 * DPA_CreateEx [COMCTL32.340]
2263 * Creates a dynamic pointer array using the specified size and heap.
2266 * nGrow [I] number of items by which the array grows when it is filled
2267 * hHeap [I] handle to the heap where the array is stored
2270 * Success: handle (pointer) to the pointer array.
2274 * The DPA_ functions can be used to create and manipulate arrays of
2277 HDPA WINAPI DPA_CreateEx (INT nGrow, HANDLE hHeap)
2281 TRACE("(%d %p)\n", nGrow, hHeap);
2284 hdpa = HeapAlloc (hHeap, HEAP_ZERO_MEMORY, sizeof(*hdpa));
2286 hdpa = Alloc (sizeof(*hdpa));
2289 hdpa->nGrow = max(8, nGrow);
2290 hdpa->hHeap = hHeap ? hHeap : GetProcessHeap();
2291 hdpa->nMaxCount = hdpa->nGrow * 2;
2292 hdpa->ptrs = HeapAlloc (hdpa->hHeap, HEAP_ZERO_MEMORY,
2293 hdpa->nMaxCount * sizeof(LPVOID));
2296 TRACE("-- %p\n", hdpa);
2302 /**************************************************************************
2303 * DPA_Create [COMCTL32.328]
2305 * Creates a dynamic pointer array.
2308 * nGrow [I] number of items by which the array grows when it is filled
2311 * Success: handle (pointer) to the pointer array.
2315 * The DPA_ functions can be used to create and manipulate arrays of
2318 HDPA WINAPI DPA_Create (INT nGrow)
2320 return DPA_CreateEx( nGrow, 0 );
2324 /**************************************************************************
2325 * Notification functions
2328 typedef struct tagNOTIFYDATA
2336 } NOTIFYDATA, *LPNOTIFYDATA;
2339 /**************************************************************************
2340 * DoNotify [Internal]
2343 static LRESULT DoNotify (LPNOTIFYDATA lpNotify, UINT uCode, LPNMHDR lpHdr)
2346 LPNMHDR lpNmh = NULL;
2349 TRACE("(%p %p %d %p 0x%08lx)\n",
2350 lpNotify->hwndFrom, lpNotify->hwndTo, uCode, lpHdr,
2351 lpNotify->dwParam5);
2353 if (!lpNotify->hwndTo)
2356 if (lpNotify->hwndFrom == (HWND)-1) {
2358 idFrom = lpHdr->idFrom;
2361 if (lpNotify->hwndFrom)
2362 idFrom = GetDlgCtrlID (lpNotify->hwndFrom);
2364 lpNmh = (lpHdr) ? lpHdr : &nmhdr;
2366 lpNmh->hwndFrom = lpNotify->hwndFrom;
2367 lpNmh->idFrom = idFrom;
2368 lpNmh->code = uCode;
2371 return SendMessageW (lpNotify->hwndTo, WM_NOTIFY, idFrom, (LPARAM)lpNmh);
2375 /**************************************************************************
2376 * SendNotify [COMCTL32.341]
2378 * Sends a WM_NOTIFY message to the specified window.
2381 * hwndTo [I] Window to receive the message
2382 * hwndFrom [I] Window that the message is from (see notes)
2383 * uCode [I] Notification code
2384 * lpHdr [I] The NMHDR and any additional information to send or NULL
2387 * Success: return value from notification
2391 * If hwndFrom is -1 then the identifier of the control sending the
2392 * message is taken from the NMHDR structure.
2393 * If hwndFrom is not -1 then lpHdr can be NULL.
2395 LRESULT WINAPI SendNotify (HWND hwndTo, HWND hwndFrom, UINT uCode, LPNMHDR lpHdr)
2399 TRACE("(%p %p %d %p)\n",
2400 hwndTo, hwndFrom, uCode, lpHdr);
2402 notify.hwndFrom = hwndFrom;
2403 notify.hwndTo = hwndTo;
2404 notify.dwParam5 = 0;
2405 notify.dwParam6 = 0;
2407 return DoNotify (¬ify, uCode, lpHdr);
2411 /**************************************************************************
2412 * SendNotifyEx [COMCTL32.342]
2414 * Sends a WM_NOTIFY message to the specified window.
2417 * hwndFrom [I] Window to receive the message
2418 * hwndTo [I] Window that the message is from
2419 * uCode [I] Notification code
2420 * lpHdr [I] The NMHDR and any additional information to send or NULL
2421 * dwParam5 [I] Unknown
2424 * Success: return value from notification
2428 * If hwndFrom is -1 then the identifier of the control sending the
2429 * message is taken from the NMHDR structure.
2430 * If hwndFrom is not -1 then lpHdr can be NULL.
2432 LRESULT WINAPI SendNotifyEx (HWND hwndTo, HWND hwndFrom, UINT uCode,
2433 LPNMHDR lpHdr, DWORD dwParam5)
2438 TRACE("(%p %p %d %p 0x%08lx)\n",
2439 hwndFrom, hwndTo, uCode, lpHdr, dwParam5);
2441 hwndNotify = hwndTo;
2443 if (IsWindow (hwndFrom)) {
2444 hwndNotify = GetParent (hwndFrom);
2450 notify.hwndFrom = hwndFrom;
2451 notify.hwndTo = hwndNotify;
2452 notify.dwParam5 = dwParam5;
2453 notify.dwParam6 = 0;
2455 return DoNotify (¬ify, uCode, lpHdr);
2461 /**************************************************************************
2462 * DPA_EnumCallback [COMCTL32.385]
2464 * Enumerates all items in a dynamic pointer array.
2467 * hdpa [I] handle to the dynamic pointer array
2474 VOID WINAPI DPA_EnumCallback (HDPA hdpa, PFNDPAENUMCALLBACK enumProc,
2479 TRACE("(%p %p %p)\n", hdpa, enumProc, lParam);
2483 if (hdpa->nItemCount <= 0)
2486 for (i = 0; i < hdpa->nItemCount; i++) {
2487 if ((enumProc)(hdpa->ptrs[i], lParam) == 0)
2495 /**************************************************************************
2496 * DPA_DestroyCallback [COMCTL32.386]
2498 * Enumerates all items in a dynamic pointer array and destroys it.
2501 * hdpa [I] handle to the dynamic pointer array
2508 void WINAPI DPA_DestroyCallback (HDPA hdpa, PFNDPAENUMCALLBACK enumProc,
2511 TRACE("(%p %p %p)\n", hdpa, enumProc, lParam);
2513 DPA_EnumCallback (hdpa, enumProc, lParam);
2518 /**************************************************************************
2519 * DSA_EnumCallback [COMCTL32.387]
2521 * Enumerates all items in a dynamic storage array.
2524 * hdsa [I] handle to the dynamic storage array
2531 VOID WINAPI DSA_EnumCallback (HDSA hdsa, PFNDSAENUMCALLBACK enumProc,
2536 TRACE("(%p %p %p)\n", hdsa, enumProc, lParam);
2540 if (hdsa->nItemCount <= 0)
2543 for (i = 0; i < hdsa->nItemCount; i++) {
2544 LPVOID lpItem = DSA_GetItemPtr (hdsa, i);
2545 if ((enumProc)(lpItem, lParam) == 0)
2553 /**************************************************************************
2554 * DSA_DestroyCallback [COMCTL32.388]
2556 * Enumerates all items in a dynamic storage array and destroys it.
2559 * hdsa [I] handle to the dynamic storage array
2566 void WINAPI DSA_DestroyCallback (HDSA hdsa, PFNDSAENUMCALLBACK enumProc,
2569 TRACE("(%p %p %p)\n", hdsa, enumProc, lParam);
2571 DSA_EnumCallback (hdsa, enumProc, lParam);