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"
37 #define NONAMELESSUNION
38 #define NONAMELESSSTRUCT
49 #include "wine/unicode.h"
52 #include "wine/debug.h"
54 WINE_DEFAULT_DEBUG_CHANNEL(commctrl);
74 typedef struct _STREAMDATA
79 } STREAMDATA, *PSTREAMDATA;
81 typedef struct _LOADDATA
85 } LOADDATA, *LPLOADDATA;
87 typedef HRESULT (CALLBACK *DPALOADPROC)(LPLOADDATA,IStream*,LPARAM);
89 /**************************************************************************
90 * DPA_LoadStream [COMCTL32.9]
92 * Loads a dynamic pointer array from a stream
95 * phDpa [O] pointer to a handle to a dynamic pointer array
96 * loadProc [I] pointer to a callback function
97 * pStream [I] pointer to a stream
98 * lParam [I] application specific value
105 * No more information available yet!
109 DPA_LoadStream (HDPA *phDpa, DPALOADPROC loadProc, IStream *pStream, LPARAM lParam)
112 LARGE_INTEGER position;
113 ULARGE_INTEGER newPosition;
114 STREAMDATA streamData;
120 FIXME ("phDpa=%p loadProc=%p pStream=%p lParam=%lx\n",
121 phDpa, loadProc, pStream, lParam);
123 if (!phDpa || !loadProc || !pStream)
128 position.QuadPart = 0;
131 * Zero out our streamData
133 memset(&streamData,0,sizeof(STREAMDATA));
135 errCode = IStream_Seek (pStream, position, STREAM_SEEK_CUR, &newPosition);
139 errCode = IStream_Read (pStream, &streamData, sizeof(STREAMDATA), &ulRead);
143 FIXME ("dwSize=%lu dwData2=%lu dwItems=%lu\n",
144 streamData.dwSize, streamData.dwData2, streamData.dwItems);
146 if ( ulRead < sizeof(STREAMDATA) ||
147 lParam < sizeof(STREAMDATA) ||
148 streamData.dwSize < sizeof(STREAMDATA) ||
149 streamData.dwData2 < 1) {
153 if (streamData.dwItems > (UINT_MAX / 2 / sizeof(VOID*))) /* 536870911 */
154 return E_OUTOFMEMORY;
157 hDpa = DPA_Create (streamData.dwItems);
159 return E_OUTOFMEMORY;
161 if (!DPA_Grow (hDpa, streamData.dwItems))
162 return E_OUTOFMEMORY;
164 /* load data from the stream into the dpa */
166 for (loadData.nCount = 0; loadData.nCount < streamData.dwItems; loadData.nCount++) {
167 errCode = (loadProc)(&loadData, pStream, lParam);
168 if (errCode != S_OK) {
177 /* set the number of items */
178 hDpa->nItemCount = loadData.nCount;
180 /* store the handle to the dpa */
182 FIXME ("new hDpa=%p, errorcode=%lx\n", hDpa, errCode);
188 /**************************************************************************
189 * DPA_SaveStream [COMCTL32.10]
191 * Saves a dynamic pointer array to a stream
194 * hDpa [I] handle to a dynamic pointer array
195 * loadProc [I] pointer to a callback function
196 * pStream [I] pointer to a stream
197 * lParam [I] application specific value
204 * No more information available yet!
208 DPA_SaveStream (const HDPA hDpa, DPALOADPROC loadProc, IStream *pStream, LPARAM lParam)
211 FIXME ("hDpa=%p loadProc=%p pStream=%p lParam=%lx\n",
212 hDpa, loadProc, pStream, lParam);
218 /**************************************************************************
219 * DPA_Merge [COMCTL32.11]
222 * hdpa1 [I] handle to a dynamic pointer array
223 * hdpa2 [I] handle to a dynamic pointer array
225 * pfnCompare [I] pointer to sort function
226 * pfnMerge [I] pointer to merge function
227 * lParam [I] application specific value
234 * No more information available yet!
238 DPA_Merge (const HDPA hdpa1, const HDPA hdpa2, DWORD dwFlags,
239 PFNDPACOMPARE pfnCompare, PFNDPAMERGE pfnMerge, LPARAM lParam)
242 LPVOID *pWork1, *pWork2;
246 TRACE("%p %p %08lx %p %p %08lx)\n",
247 hdpa1, hdpa2, dwFlags, pfnCompare, pfnMerge, lParam);
249 if (IsBadWritePtr (hdpa1, sizeof(*hdpa1)))
252 if (IsBadWritePtr (hdpa2, sizeof(*hdpa2)))
255 if (IsBadCodePtr ((FARPROC)pfnCompare))
258 if (IsBadCodePtr ((FARPROC)pfnMerge))
261 if (!(dwFlags & DPAM_NOSORT)) {
262 TRACE("sorting dpa's!\n");
263 if (hdpa1->nItemCount > 0)
264 DPA_Sort (hdpa1, pfnCompare, lParam);
265 TRACE ("dpa 1 sorted!\n");
266 if (hdpa2->nItemCount > 0)
267 DPA_Sort (hdpa2, pfnCompare, lParam);
268 TRACE ("dpa 2 sorted!\n");
271 if (hdpa2->nItemCount < 1)
274 TRACE("hdpa1->nItemCount=%d hdpa2->nItemCount=%d\n",
275 hdpa1->nItemCount, hdpa2->nItemCount);
278 /* working but untrusted implementation */
280 pWork1 = &(hdpa1->ptrs[hdpa1->nItemCount - 1]);
281 pWork2 = &(hdpa2->ptrs[hdpa2->nItemCount - 1]);
283 nIndex = hdpa1->nItemCount - 1;
284 nCount = hdpa2->nItemCount - 1;
289 if ((nCount >= 0) && (dwFlags & DPAM_INSERT)) {
290 /* Now insert the remaining new items into DPA 1 */
291 TRACE("%d items to be inserted at start of DPA 1\n",
293 for (i=nCount; i>=0; i--) {
296 ptr = (pfnMerge)(3, *pWork2, NULL, lParam);
299 DPA_InsertPtr (hdpa1, 0, ptr);
305 nResult = (pfnCompare)(*pWork1, *pWork2, lParam);
306 TRACE("compare result=%d, dpa1.cnt=%d, dpa2.cnt=%d\n",
307 nResult, nIndex, nCount);
313 ptr = (pfnMerge)(1, *pWork1, *pWork2, lParam);
323 else if (nResult > 0)
325 /* item in DPA 1 missing from DPA 2 */
326 if (dwFlags & DPAM_DELETE)
328 /* Now delete the extra item in DPA1 */
331 ptr = DPA_DeletePtr (hdpa1, hdpa1->nItemCount - 1);
333 (pfnMerge)(2, ptr, NULL, lParam);
340 /* new item in DPA 2 */
341 if (dwFlags & DPAM_INSERT)
343 /* Now insert the new item in DPA 1 */
346 ptr = (pfnMerge)(3, *pWork2, NULL, lParam);
349 DPA_InsertPtr (hdpa1, nIndex+1, ptr);
362 /**************************************************************************
363 * Alloc [COMCTL32.71]
365 * Allocates memory block from the dll's private heap
368 * dwSize [I] size of the allocated memory block
371 * Success: pointer to allocated memory block
375 LPVOID WINAPI Alloc (DWORD dwSize)
377 return LocalAlloc( LMEM_ZEROINIT, dwSize );
381 /**************************************************************************
382 * ReAlloc [COMCTL32.72]
384 * Changes the size of an allocated memory block or allocates a memory
385 * block using the dll's private heap.
388 * lpSrc [I] pointer to memory block which will be resized
389 * dwSize [I] new size of the memory block.
392 * Success: pointer to the resized memory block
396 * If lpSrc is a NULL-pointer, then ReAlloc allocates a memory
400 LPVOID WINAPI ReAlloc (LPVOID lpSrc, DWORD dwSize)
403 return LocalReAlloc( lpSrc, dwSize, LMEM_ZEROINIT );
405 return LocalAlloc( LMEM_ZEROINIT, dwSize);
409 /**************************************************************************
412 * Frees an allocated memory block from the dll's private heap.
415 * 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
442 DWORD WINAPI GetSize (LPVOID lpMem)
444 return LocalSize( lpMem );
448 /**************************************************************************
449 * The MRU-API is a set of functions to manipulate MRU(Most Recently Used)
452 * Stored in the reg. as a set of values under a single key. Each item in the
453 * list has a value name that is a single char. 'a' - 'z', '{', '|' or '}'.
454 * The order of the list is stored with value name 'MRUList' which is a string
455 * containing the value names (i.e. 'a', 'b', etc.) in the relevant order.
458 typedef struct tagCREATEMRULISTA
460 DWORD cbSize; /* size of struct */
461 DWORD nMaxItems; /* max no. of items in list */
462 DWORD dwFlags; /* see below */
463 HKEY hKey; /* root reg. key under which list is saved */
464 LPCSTR lpszSubKey; /* reg. subkey */
465 PROC lpfnCompare; /* item compare proc */
466 } CREATEMRULISTA, *LPCREATEMRULISTA;
468 typedef struct tagCREATEMRULISTW
470 DWORD cbSize; /* size of struct */
471 DWORD nMaxItems; /* max no. of items in list */
472 DWORD dwFlags; /* see below */
473 HKEY hKey; /* root reg. key under which list is saved */
474 LPCWSTR lpszSubKey; /* reg. subkey */
475 PROC lpfnCompare; /* item compare proc */
476 } CREATEMRULISTW, *LPCREATEMRULISTW;
479 #define MRUF_STRING_LIST 0 /* list will contain strings */
480 #define MRUF_BINARY_LIST 1 /* list will contain binary data */
481 #define MRUF_DELAYED_SAVE 2 /* only save list order to reg. is FreeMRUList */
483 /* If list is a string list lpfnCompare has the following prototype
484 * int CALLBACK MRUCompareString(LPCSTR s1, LPCSTR s2)
485 * for binary lists the prototype is
486 * int CALLBACK MRUCompareBinary(LPCVOID data1, LPCVOID data2, DWORD cbData)
487 * where cbData is the no. of bytes to compare.
488 * Need to check what return value means identical - 0?
491 typedef struct tagWINEMRUITEM
493 DWORD size; /* size of data stored */
494 DWORD itemFlag; /* flags */
496 } WINEMRUITEM, *LPWINEMRUITEM;
499 #define WMRUIF_CHANGED 0x0001 /* this dataitem changed */
501 typedef struct tagWINEMRULIST
503 CREATEMRULISTW extview; /* original create information */
504 BOOL isUnicode; /* is compare fn Unicode */
505 DWORD wineFlags; /* internal flags */
506 DWORD cursize; /* current size of realMRU */
507 LPSTR realMRU; /* pointer to string of index names */
508 LPWINEMRUITEM *array; /* array of pointers to data */
509 /* in 'a' to 'z' order */
510 } WINEMRULIST, *LPWINEMRULIST;
513 #define WMRUF_CHANGED 0x0001 /* MRU list has changed */
515 /**************************************************************************
516 * MRU_SaveChanged (internal)
518 * Localize MRU saving code
520 VOID MRU_SaveChanged( LPWINEMRULIST mp )
526 static const WCHAR emptyW[] = {'\0'};
528 /* or should we do the following instead of RegOpenKeyEx:
531 /* open the sub key */
532 if ((err = RegOpenKeyExW( mp->extview.hKey, mp->extview.lpszSubKey,
533 0, KEY_WRITE, &newkey))) {
534 /* not present - what to do ??? */
535 ERR("Can not open key, error=%d, attempting to create\n",
537 if ((err = RegCreateKeyExW( mp->extview.hKey, mp->extview.lpszSubKey,
540 REG_OPTION_NON_VOLATILE,
541 KEY_READ | KEY_WRITE,
545 ERR("failed to create key /%s/, err=%d\n",
546 debugstr_w(mp->extview.lpszSubKey), err);
550 if (mp->wineFlags & WMRUF_CHANGED) {
551 mp->wineFlags &= ~WMRUF_CHANGED;
552 err = RegSetValueExA(newkey, "MRUList", 0, REG_SZ,
553 mp->realMRU, strlen(mp->realMRU) + 1);
555 ERR("error saving MRUList, err=%d\n", err);
557 TRACE("saving MRUList=/%s/\n", mp->realMRU);
560 for(i=0; i<mp->cursize; i++) {
561 witem = mp->array[i];
562 if (witem->itemFlag & WMRUIF_CHANGED) {
563 witem->itemFlag &= ~WMRUIF_CHANGED;
564 realname[0] = 'a' + i;
565 err = RegSetValueExW(newkey, realname, 0,
566 (mp->extview.dwFlags & MRUF_BINARY_LIST) ?
568 &witem->datastart, witem->size);
570 ERR("error saving /%s/, err=%d\n", debugstr_w(realname), err);
572 TRACE("saving value for name /%s/ size=%ld\n",
573 debugstr_w(realname), witem->size);
576 RegCloseKey( newkey );
579 /**************************************************************************
580 * FreeMRUList [COMCTL32.152]
582 * Frees a most-recently-used items list.
585 * hMRUList [I] Handle to list.
592 FreeMRUList (HANDLE hMRUList)
594 LPWINEMRULIST mp = (LPWINEMRULIST)hMRUList;
598 if (mp->wineFlags & WMRUF_CHANGED) {
599 /* need to open key and then save the info */
600 MRU_SaveChanged( mp );
603 for(i=0; i<mp->extview.nMaxItems; i++) {
609 Free((LPWSTR)mp->extview.lpszSubKey);
614 /**************************************************************************
615 * FindMRUData [COMCTL32.169]
617 * Searches binary list for item that matches lpData of length cbData.
618 * Returns position in list order 0 -> MRU and if lpRegNum != NULL then value
619 * corresponding to item's reg. name will be stored in it ('a' -> 0).
622 * hList [I] list handle
623 * lpData [I] data to find
624 * cbData [I] length of data
625 * lpRegNum [O] position in registry (maybe NULL)
628 * Position in list 0 -> MRU. -1 if item not found.
631 FindMRUData (HANDLE hList, LPCVOID lpData, DWORD cbData, LPINT lpRegNum)
633 LPWINEMRULIST mp = (LPWINEMRULIST)hList;
638 if (!mp->extview.lpfnCompare) {
639 ERR("MRU list not properly created. No compare procedure.\n");
643 if(!(mp->extview.dwFlags & MRUF_BINARY_LIST) && !mp->isUnicode) {
644 DWORD len = WideCharToMultiByte(CP_ACP, 0, lpData, -1,
645 NULL, 0, NULL, NULL);
647 WideCharToMultiByte(CP_ACP, 0, lpData, -1, dataA, len, NULL, NULL);
650 for(i=0; i<mp->cursize; i++) {
651 if (mp->extview.dwFlags & MRUF_BINARY_LIST) {
652 if (!mp->extview.lpfnCompare(lpData, &mp->array[i]->datastart,
658 if (!mp->extview.lpfnCompare(lpData, &mp->array[i]->datastart))
661 DWORD len = WideCharToMultiByte(CP_ACP, 0,
662 (LPWSTR)&mp->array[i]->datastart, -1,
663 NULL, 0, NULL, NULL);
664 LPSTR itemA = Alloc(len);
666 WideCharToMultiByte(CP_ACP, 0, (LPWSTR)&mp->array[i]->datastart, -1,
667 itemA, len, NULL, NULL);
669 cmp = mp->extview.lpfnCompare(dataA, itemA);
682 if (lpRegNum && (ret != -1))
685 TRACE("(%p, %p, %ld, %p) returning %d\n",
686 hList, lpData, cbData, lpRegNum, ret);
692 /**************************************************************************
693 * AddMRUData [COMCTL32.167]
695 * Add item to MRU binary list. If item already exists in list then it is
696 * simply moved up to the top of the list and not added again. If list is
697 * full then the least recently used item is removed to make room.
700 * hList [I] Handle to list.
701 * lpData [I] ptr to data to add.
702 * cbData [I] no. of bytes of data.
705 * No. corresponding to registry name where value is stored 'a' -> 0 etc.
709 AddMRUData (HANDLE hList, LPCVOID lpData, DWORD cbData)
711 LPWINEMRULIST mp = (LPWINEMRULIST)hList;
715 if ((replace = FindMRUData (hList, lpData, cbData, NULL)) < 0) {
716 /* either add a new entry or replace oldest */
717 if (mp->cursize < mp->extview.nMaxItems) {
718 /* Add in a new item */
719 replace = mp->cursize;
723 /* get the oldest entry and replace data */
724 replace = mp->realMRU[mp->cursize - 1] - 'a';
725 Free(mp->array[replace]);
729 /* free up the old data */
730 Free(mp->array[replace]);
733 /* Allocate space for new item and move in the data */
734 mp->array[replace] = witem = Alloc(cbData + sizeof(WINEMRUITEM));
735 witem->itemFlag |= WMRUIF_CHANGED;
736 witem->size = cbData;
737 memcpy( &witem->datastart, lpData, cbData);
739 /* now rotate MRU list */
740 mp->wineFlags |= WMRUF_CHANGED;
741 for(i=mp->cursize-1; i>=1; i--) {
742 mp->realMRU[i] = mp->realMRU[i-1];
744 mp->realMRU[0] = replace + 'a';
745 TRACE("(%p, %p, %ld) adding data, /%c/ now most current\n",
746 hList, lpData, cbData, replace+'a');
749 if (!(mp->extview.dwFlags & MRUF_DELAYED_SAVE)) {
750 /* save changed stuff right now */
751 MRU_SaveChanged( mp );
757 /**************************************************************************
758 * AddMRUStringW [COMCTL32.401]
760 * Add item to MRU string list. If item already exists in list them it is
761 * simply moved up to the top of the list and not added again. If list is
762 * full then the least recently used item is removed to make room.
765 * hList [I] Handle to list.
766 * lpszString [I] ptr to string to add.
769 * No. corresponding to registry name where value is stored 'a' -> 0 etc.
773 AddMRUStringW(HANDLE hList, LPCWSTR lpszString)
775 FIXME("(%p, %s) empty stub!\n", hList, debugstr_w(lpszString));
780 /**************************************************************************
781 * AddMRUStringA [COMCTL32.153]
786 AddMRUStringA(HANDLE hList, LPCSTR lpszString)
788 FIXME("(%p, %s) empty stub!\n", hList, debugstr_a(lpszString));
793 /**************************************************************************
794 * DelMRUString [COMCTL32.156]
796 * Removes item from either string or binary list (despite its name)
799 * hList [I] list handle
800 * nItemPos [I] item position to remove 0 -> MRU
803 * TRUE if successful, FALSE if nItemPos is out of range.
806 DelMRUString(HANDLE hList, INT nItemPos)
808 FIXME("(%p, %d): stub\n", hList, nItemPos);
812 /**************************************************************************
813 * FindMRUStringW [COMCTL32.402]
815 * See FindMRUStringA.
818 FindMRUStringW (HANDLE hList, LPCWSTR lpszString, LPINT lpRegNum)
824 /**************************************************************************
825 * FindMRUStringA [COMCTL32.155]
827 * Searches string list for item that matches lpszString.
828 * Returns position in list order 0 -> MRU and if lpRegNum != NULL then value
829 * corresponding to item's reg. name will be stored in it ('a' -> 0).
832 * hList [I] list handle
833 * lpszString [I] string to find
834 * lpRegNum [O] position in registry (maybe NULL)
837 * Position in list 0 -> MRU. -1 if item not found.
840 FindMRUStringA (HANDLE hList, LPCSTR lpszString, LPINT lpRegNum)
842 DWORD len = MultiByteToWideChar(CP_ACP, 0, lpszString, -1, NULL, 0);
843 LPWSTR stringW = Alloc(len * sizeof(WCHAR));
846 MultiByteToWideChar(CP_ACP, 0, lpszString, -1, stringW, len);
847 ret = FindMRUData(hList, stringW, len * sizeof(WCHAR), lpRegNum);
852 /*************************************************************************
853 * CreateMRUListLazy_common (internal)
855 HANDLE CreateMRUListLazy_common(LPWINEMRULIST mp)
859 DWORD datasize, dwdisp;
863 static const WCHAR emptyW[] = {'\0'};
865 /* get space to save indices that will turn into names
866 * but in order of most to least recently used
868 mp->realMRU = Alloc(mp->extview.nMaxItems + 2);
870 /* get space to save pointers to actual data in order of
871 * 'a' to 'z' (0 to n).
873 mp->array = Alloc(mp->extview.nMaxItems * sizeof(LPVOID));
875 /* open the sub key */
876 if ((err = RegCreateKeyExW( mp->extview.hKey, mp->extview.lpszSubKey,
879 REG_OPTION_NON_VOLATILE,
880 KEY_READ | KEY_WRITE,
884 /* error - what to do ??? */
885 ERR("(%lu %lu %lx %lx \"%s\" %p): Can not open key, error=%d\n",
886 mp->extview.cbSize, mp->extview.nMaxItems, mp->extview.dwFlags,
887 (DWORD)mp->extview.hKey, debugstr_w(mp->extview.lpszSubKey),
888 mp->extview.lpfnCompare, err);
892 /* get values from key 'MRUList' */
894 datasize = mp->extview.nMaxItems + 1;
895 if((err=RegQueryValueExA( newkey, "MRUList", 0, &type, mp->realMRU,
897 /* not present - set size to 1 (will become 0 later) */
902 TRACE("MRU list = %s\n", mp->realMRU);
904 mp->cursize = datasize - 1;
905 /* datasize now has number of items in the MRUList */
907 /* get actual values for each entry */
909 for(i=0; i<mp->cursize; i++) {
910 realname[0] = 'a' + i;
911 if(RegQueryValueExW( newkey, realname, 0, &type, 0, &datasize)) {
912 /* not present - what to do ??? */
913 ERR("Key %s not found 1\n", debugstr_w(realname));
915 mp->array[i] = witem = Alloc(datasize + sizeof(WINEMRUITEM));
916 witem->size = datasize;
917 if(RegQueryValueExW( newkey, realname, 0, &type,
918 &witem->datastart, &datasize)) {
919 /* not present - what to do ??? */
920 ERR("Key %s not found 2\n", debugstr_w(realname));
923 RegCloseKey( newkey );
928 TRACE("(%lu %lu %lx %lx \"%s\" %p): Current Size = %ld\n",
929 mp->extview.cbSize, mp->extview.nMaxItems, mp->extview.dwFlags,
930 (DWORD)mp->extview.hKey, debugstr_w(mp->extview.lpszSubKey),
931 mp->extview.lpfnCompare, mp->cursize);
935 /**************************************************************************
936 * CreateMRUListLazyW [COMCTL32.404]
938 * See CreateMRUListLazyA.
941 CreateMRUListLazyW (LPCREATEMRULISTW lpcml, DWORD dwParam2, DWORD dwParam3, DWORD dwParam4)
948 if (lpcml->cbSize < sizeof(CREATEMRULISTW))
951 mp = Alloc(sizeof(WINEMRULIST));
952 memcpy(&mp->extview, lpcml, sizeof(CREATEMRULISTW));
953 mp->extview.lpszSubKey = Alloc((strlenW(lpcml->lpszSubKey) + 1) * sizeof(WCHAR));
954 strcpyW((LPWSTR)mp->extview.lpszSubKey, lpcml->lpszSubKey);
955 mp->isUnicode = TRUE;
957 return CreateMRUListLazy_common(mp);
960 /**************************************************************************
961 * CreateMRUListLazyA [COMCTL32.157]
963 * Creates a most-recently-used list.
966 * lpcml [I] ptr to CREATEMRULIST structure.
967 * dwParam2 [I] Unknown
968 * dwParam3 [I] Unknown
969 * dwParam4 [I] Unknown
972 * Handle to MRU list.
975 CreateMRUListLazyA (LPCREATEMRULISTA lpcml, DWORD dwParam2, DWORD dwParam3, DWORD dwParam4)
983 if (lpcml->cbSize < sizeof(CREATEMRULISTA))
986 mp = Alloc(sizeof(WINEMRULIST));
987 memcpy(&mp->extview, lpcml, sizeof(CREATEMRULISTW));
988 len = MultiByteToWideChar(CP_ACP, 0, lpcml->lpszSubKey, -1, NULL, 0);
989 mp->extview.lpszSubKey = Alloc(len * sizeof(WCHAR));
990 MultiByteToWideChar(CP_ACP, 0, lpcml->lpszSubKey, -1,
991 (LPWSTR)mp->extview.lpszSubKey, len);
992 mp->isUnicode = FALSE;
993 return CreateMRUListLazy_common(mp);
996 /**************************************************************************
997 * CreateMRUListW [COMCTL32.400]
999 * See CreateMRUListA.
1002 CreateMRUListW (LPCREATEMRULISTW lpcml)
1004 return CreateMRUListLazyW(lpcml, 0, 0, 0);
1007 /**************************************************************************
1008 * CreateMRUListA [COMCTL32.151]
1010 * Creates a most-recently-used list.
1013 * lpcml [I] ptr to CREATEMRULIST structure.
1016 * Handle to MRU list.
1019 CreateMRUListA (LPCREATEMRULISTA lpcml)
1021 return CreateMRUListLazyA (lpcml, 0, 0, 0);
1025 /**************************************************************************
1026 * EnumMRUListW [COMCTL32.403]
1028 * Enumerate item in a most-recenty-used list
1031 * hList [I] list handle
1032 * nItemPos [I] item position to enumerate
1033 * lpBuffer [O] buffer to receive item
1034 * nBufferSize [I] size of buffer
1037 * For binary lists specifies how many bytes were copied to buffer, for
1038 * string lists specifies full length of string. Enumerating past the end
1039 * of list returns -1.
1040 * If lpBuffer == NULL or nItemPos is -ve return value is no. of items in
1043 INT WINAPI EnumMRUListW(HANDLE hList, INT nItemPos, LPVOID lpBuffer,
1046 LPWINEMRULIST mp = (LPWINEMRULIST) hList;
1047 LPWINEMRUITEM witem;
1048 INT desired, datasize;
1050 if (nItemPos >= mp->cursize) return -1;
1051 if ((nItemPos < 0) || !lpBuffer) return mp->cursize;
1052 desired = mp->realMRU[nItemPos];
1054 TRACE("nItemPos=%d, desired=%d\n", nItemPos, desired);
1055 witem = mp->array[desired];
1056 datasize = min( witem->size, nBufferSize );
1057 memcpy( lpBuffer, &witem->datastart, datasize);
1058 TRACE("(%p, %d, %p, %ld): returning len=%d\n",
1059 hList, nItemPos, lpBuffer, nBufferSize, datasize);
1063 /**************************************************************************
1064 * EnumMRUListA [COMCTL32.154]
1068 INT WINAPI EnumMRUListA(HANDLE hList, INT nItemPos, LPVOID lpBuffer,
1071 LPWINEMRULIST mp = (LPWINEMRULIST) hList;
1072 LPWINEMRUITEM witem;
1073 INT desired, datasize;
1076 if (nItemPos >= mp->cursize) return -1;
1077 if ((nItemPos < 0) || !lpBuffer) return mp->cursize;
1078 desired = mp->realMRU[nItemPos];
1080 TRACE("nItemPos=%d, desired=%d\n", nItemPos, desired);
1081 witem = mp->array[desired];
1082 if(mp->extview.dwFlags & MRUF_BINARY_LIST) {
1083 datasize = min( witem->size, nBufferSize );
1084 memcpy( lpBuffer, &witem->datastart, datasize);
1086 lenA = WideCharToMultiByte(CP_ACP, 0, (LPWSTR)&witem->datastart, -1,
1087 NULL, 0, NULL, NULL);
1088 datasize = min( witem->size, nBufferSize );
1089 WideCharToMultiByte(CP_ACP, 0, (LPWSTR)&witem->datastart, -1,
1090 lpBuffer, datasize, NULL, NULL);
1092 TRACE("(%p, %d, %p, %ld): returning len=%d\n",
1093 hList, nItemPos, lpBuffer, nBufferSize, datasize);
1098 /**************************************************************************
1099 * Str_GetPtrA [COMCTL32.233]
1101 * Copies a string into a destination buffer.
1104 * lpSrc [I] Source string
1105 * lpDest [O] Destination buffer
1106 * nMaxLen [I] Size of buffer in characters
1109 * The number of characters copied.
1113 Str_GetPtrA (LPCSTR lpSrc, LPSTR lpDest, INT nMaxLen)
1117 TRACE("(%p %p %d)\n", lpSrc, lpDest, nMaxLen);
1119 if (!lpDest && lpSrc)
1120 return strlen (lpSrc);
1125 if (lpSrc == NULL) {
1130 len = strlen (lpSrc);
1134 RtlMoveMemory (lpDest, lpSrc, len);
1141 /**************************************************************************
1142 * Str_SetPtrA [COMCTL32.234]
1144 * Makes a copy of a string, allocating memory if necessary.
1147 * lppDest [O] Pointer to destination string
1148 * lpSrc [I] Source string
1155 * Set lpSrc to NULL to free the memory allocated by a previous call
1160 Str_SetPtrA (LPSTR *lppDest, LPCSTR lpSrc)
1162 TRACE("(%p %p)\n", lppDest, lpSrc);
1165 LPSTR ptr = ReAlloc (*lppDest, strlen (lpSrc) + 1);
1168 strcpy (ptr, lpSrc);
1182 /**************************************************************************
1183 * Str_GetPtrW [COMCTL32.235]
1189 Str_GetPtrW (LPCWSTR lpSrc, LPWSTR lpDest, INT nMaxLen)
1193 TRACE("(%p %p %d)\n", lpSrc, lpDest, nMaxLen);
1195 if (!lpDest && lpSrc)
1196 return strlenW (lpSrc);
1201 if (lpSrc == NULL) {
1206 len = strlenW (lpSrc);
1210 RtlMoveMemory (lpDest, lpSrc, len*sizeof(WCHAR));
1211 lpDest[len] = L'\0';
1217 /**************************************************************************
1218 * Str_SetPtrW [COMCTL32.236]
1224 Str_SetPtrW (LPWSTR *lppDest, LPCWSTR lpSrc)
1226 TRACE("(%p %p)\n", lppDest, lpSrc);
1229 INT len = strlenW (lpSrc) + 1;
1230 LPWSTR ptr = ReAlloc (*lppDest, len * sizeof(WCHAR));
1233 strcpyW (ptr, lpSrc);
1247 /**************************************************************************
1248 * Str_GetPtrWtoA [internal]
1250 * Converts a unicode string into a multi byte string
1253 * lpSrc [I] Pointer to the unicode source string
1254 * lpDest [O] Pointer to caller supplied storage for the multi byte string
1255 * nMaxLen [I] Size, in bytes, of the destination buffer
1258 * Length, in bytes, of the converted string.
1262 Str_GetPtrWtoA (LPCWSTR lpSrc, LPSTR lpDest, INT nMaxLen)
1266 TRACE("(%s %p %d)\n", debugstr_w(lpSrc), lpDest, nMaxLen);
1268 if (!lpDest && lpSrc)
1269 return WideCharToMultiByte(CP_ACP, 0, lpSrc, -1, 0, 0, NULL, NULL);
1274 if (lpSrc == NULL) {
1279 len = WideCharToMultiByte(CP_ACP, 0, lpSrc, -1, 0, 0, NULL, NULL);
1283 WideCharToMultiByte(CP_ACP, 0, lpSrc, -1, lpDest, len, NULL, NULL);
1290 /**************************************************************************
1291 * Str_SetPtrAtoW [internal]
1293 * Converts a multi byte string to a unicode string.
1294 * If the pointer to the destination buffer is NULL a buffer is allocated.
1295 * If the destination buffer is too small to keep the converted multi byte
1296 * string the destination buffer is reallocated. If the source pointer is
1297 * NULL, the destination buffer is freed.
1300 * lppDest [I/O] pointer to a pointer to the destination buffer
1301 * lpSrc [I] pointer to a multi byte string
1304 * TRUE: conversion successful
1309 Str_SetPtrAtoW (LPWSTR *lppDest, LPCSTR lpSrc)
1311 TRACE("(%p %s)\n", lppDest, lpSrc);
1314 INT len = MultiByteToWideChar(CP_ACP,0,lpSrc,-1,NULL,0);
1315 LPWSTR ptr = ReAlloc (*lppDest, len*sizeof(WCHAR));
1319 MultiByteToWideChar(CP_ACP,0,lpSrc,-1,ptr,len);
1333 /**************************************************************************
1334 * DSA_Create [COMCTL32.320]
1336 * Creates a dynamic storage array
1339 * nSize [I] size of the array elements
1340 * nGrow [I] number of elements by which the array grows when it is filled
1343 * Success: pointer to an array control structure. Use this like a handle.
1347 * The DSA_ functions can be used to create and manipulate arrays of
1348 * fixed-size memory blocks. These arrays can store any kind of data
1349 * (e.g. strings and icons).
1353 DSA_Create (INT nSize, INT nGrow)
1357 TRACE("(size=%d grow=%d)\n", nSize, nGrow);
1359 hdsa = Alloc (sizeof(*hdsa));
1362 hdsa->nItemCount = 0;
1364 hdsa->nMaxCount = 0;
1365 hdsa->nItemSize = nSize;
1366 hdsa->nGrow = max(1, nGrow);
1373 /**************************************************************************
1374 * DSA_Destroy [COMCTL32.321]
1376 * Destroys a dynamic storage array
1379 * hdsa [I] pointer to the array control structure
1387 DSA_Destroy (const HDSA hdsa)
1389 TRACE("(%p)\n", hdsa);
1394 if (hdsa->pData && (!Free (hdsa->pData)))
1401 /**************************************************************************
1402 * DSA_GetItem [COMCTL32.322]
1404 * Copies the specified item into a caller-supplied buffer.
1407 * hdsa [I] pointer to the array control structure
1408 * nIndex [I] number of the Item to get
1409 * pDest [O] destination buffer. Has to be >= dwElementSize.
1417 DSA_GetItem (const HDSA hdsa, INT nIndex, LPVOID pDest)
1421 TRACE("(%p %d %p)\n", hdsa, nIndex, pDest);
1425 if ((nIndex < 0) || (nIndex >= hdsa->nItemCount))
1428 pSrc = (char *) hdsa->pData + (hdsa->nItemSize * nIndex);
1429 memmove (pDest, pSrc, hdsa->nItemSize);
1435 /**************************************************************************
1436 * DSA_GetItemPtr [COMCTL32.323]
1438 * Retrieves a pointer to the specified item.
1441 * hdsa [I] pointer to the array control structure
1442 * nIndex [I] index of the desired item
1445 * Success: pointer to an item
1450 DSA_GetItemPtr (const HDSA hdsa, INT nIndex)
1454 TRACE("(%p %d)\n", hdsa, nIndex);
1458 if ((nIndex < 0) || (nIndex >= hdsa->nItemCount))
1461 pSrc = (char *) hdsa->pData + (hdsa->nItemSize * nIndex);
1463 TRACE("-- ret=%p\n", pSrc);
1469 /**************************************************************************
1470 * DSA_SetItem [COMCTL32.325]
1472 * Sets the contents of an item in the array.
1475 * hdsa [I] pointer to the array control structure
1476 * nIndex [I] index for the item
1477 * pSrc [I] pointer to the new item data
1485 DSA_SetItem (const HDSA hdsa, INT nIndex, LPVOID pSrc)
1487 INT nSize, nNewItems;
1488 LPVOID pDest, lpTemp;
1490 TRACE("(%p %d %p)\n", hdsa, nIndex, pSrc);
1492 if ((!hdsa) || nIndex < 0)
1495 if (hdsa->nItemCount <= nIndex) {
1496 /* within the old array */
1497 if (hdsa->nMaxCount > nIndex) {
1498 /* within the allocated space, set a new boundary */
1499 hdsa->nItemCount = nIndex + 1;
1502 /* resize the block of memory */
1504 hdsa->nGrow * ((INT)(((nIndex + 1) - 1) / hdsa->nGrow) + 1);
1505 nSize = hdsa->nItemSize * nNewItems;
1507 lpTemp = ReAlloc (hdsa->pData, nSize);
1511 hdsa->nMaxCount = nNewItems;
1512 hdsa->nItemCount = nIndex + 1;
1513 hdsa->pData = lpTemp;
1517 /* put the new entry in */
1518 pDest = (char *) hdsa->pData + (hdsa->nItemSize * nIndex);
1519 TRACE("-- move dest=%p src=%p size=%d\n",
1520 pDest, pSrc, hdsa->nItemSize);
1521 memmove (pDest, pSrc, hdsa->nItemSize);
1527 /**************************************************************************
1528 * DSA_InsertItem [COMCTL32.324]
1530 * Inserts an item into the array at the specified index.
1533 * hdsa [I] pointer to the array control structure
1534 * nIndex [I] index for the new item
1535 * pSrc [I] pointer to the element
1538 * Success: position of the new item
1543 DSA_InsertItem (const HDSA hdsa, INT nIndex, LPVOID pSrc)
1545 INT nNewItems, nSize;
1546 LPVOID lpTemp, lpDest;
1548 TRACE("(%p %d %p)\n", hdsa, nIndex, pSrc);
1550 if ((!hdsa) || nIndex < 0)
1553 /* when nIndex >= nItemCount then append */
1554 if (nIndex >= hdsa->nItemCount)
1555 nIndex = hdsa->nItemCount;
1557 /* do we need to resize ? */
1558 if (hdsa->nItemCount >= hdsa->nMaxCount) {
1559 nNewItems = hdsa->nMaxCount + hdsa->nGrow;
1560 nSize = hdsa->nItemSize * nNewItems;
1562 lpTemp = ReAlloc (hdsa->pData, nSize);
1566 hdsa->nMaxCount = nNewItems;
1567 hdsa->pData = lpTemp;
1570 /* do we need to move elements ? */
1571 if (nIndex < hdsa->nItemCount) {
1572 lpTemp = (char *) hdsa->pData + (hdsa->nItemSize * nIndex);
1573 lpDest = (char *) lpTemp + hdsa->nItemSize;
1574 nSize = (hdsa->nItemCount - nIndex) * hdsa->nItemSize;
1575 TRACE("-- move dest=%p src=%p size=%d\n",
1576 lpDest, lpTemp, nSize);
1577 memmove (lpDest, lpTemp, nSize);
1580 /* ok, we can put the new Item in */
1582 lpDest = (char *) hdsa->pData + (hdsa->nItemSize * nIndex);
1583 TRACE("-- move dest=%p src=%p size=%d\n",
1584 lpDest, pSrc, hdsa->nItemSize);
1585 memmove (lpDest, pSrc, hdsa->nItemSize);
1591 /**************************************************************************
1592 * DSA_DeleteItem [COMCTL32.326]
1594 * Deletes the specified item from the array.
1597 * hdsa [I] pointer to the array control structure
1598 * nIndex [I] index for the element to delete
1601 * Success: number of the deleted element
1606 DSA_DeleteItem (const HDSA hdsa, INT nIndex)
1608 LPVOID lpDest,lpSrc;
1611 TRACE("(%p %d)\n", hdsa, nIndex);
1615 if (nIndex < 0 || nIndex >= hdsa->nItemCount)
1618 /* do we need to move ? */
1619 if (nIndex < hdsa->nItemCount - 1) {
1620 lpDest = (char *) hdsa->pData + (hdsa->nItemSize * nIndex);
1621 lpSrc = (char *) lpDest + hdsa->nItemSize;
1622 nSize = hdsa->nItemSize * (hdsa->nItemCount - nIndex - 1);
1623 TRACE("-- move dest=%p src=%p size=%d\n",
1624 lpDest, lpSrc, nSize);
1625 memmove (lpDest, lpSrc, nSize);
1631 if ((hdsa->nMaxCount - hdsa->nItemCount) >= hdsa->nGrow) {
1632 nSize = hdsa->nItemSize * hdsa->nItemCount;
1634 lpDest = ReAlloc (hdsa->pData, nSize);
1638 hdsa->nMaxCount = hdsa->nItemCount;
1639 hdsa->pData = lpDest;
1646 /**************************************************************************
1647 * DSA_DeleteAllItems [COMCTL32.327]
1649 * Removes all items and reinitializes the array.
1652 * hdsa [I] pointer to the array control structure
1660 DSA_DeleteAllItems (const HDSA hdsa)
1662 TRACE("(%p)\n", hdsa);
1666 if (hdsa->pData && (!Free (hdsa->pData)))
1669 hdsa->nItemCount = 0;
1671 hdsa->nMaxCount = 0;
1677 /**************************************************************************
1678 * DPA_Destroy [COMCTL32.329]
1680 * Destroys a dynamic pointer array
1683 * hdpa [I] handle (pointer) to the pointer array
1691 DPA_Destroy (const HDPA hdpa)
1693 TRACE("(%p)\n", hdpa);
1698 if (hdpa->ptrs && (!HeapFree (hdpa->hHeap, 0, hdpa->ptrs)))
1701 return HeapFree (hdpa->hHeap, 0, hdpa);
1705 /**************************************************************************
1706 * DPA_Grow [COMCTL32.330]
1708 * Sets the growth amount.
1711 * hdpa [I] handle (pointer) to the existing (source) pointer array
1712 * nGrow [I] number of items by which the array grows when it's too small
1720 DPA_Grow (const HDPA hdpa, INT nGrow)
1722 TRACE("(%p %d)\n", hdpa, nGrow);
1727 hdpa->nGrow = max(8, nGrow);
1733 /**************************************************************************
1734 * DPA_Clone [COMCTL32.331]
1736 * Copies a pointer array to an other one or creates a copy
1739 * hdpa [I] handle (pointer) to the existing (source) pointer array
1740 * hdpaNew [O] handle (pointer) to the destination pointer array
1743 * Success: pointer to the destination pointer array.
1747 * - If the 'hdpaNew' is a NULL-Pointer, a copy of the source pointer
1748 * array will be created and it's handle (pointer) is returned.
1749 * - If 'hdpa' is a NULL-Pointer, the original implementation crashes,
1750 * this implementation just returns NULL.
1754 DPA_Clone (const HDPA hdpa, const HDPA hdpaNew)
1756 INT nNewItems, nSize;
1762 TRACE("(%p %p)\n", hdpa, hdpaNew);
1765 /* create a new DPA */
1766 hdpaTemp = (HDPA)HeapAlloc (hdpa->hHeap, HEAP_ZERO_MEMORY,
1768 hdpaTemp->hHeap = hdpa->hHeap;
1769 hdpaTemp->nGrow = hdpa->nGrow;
1774 if (hdpaTemp->ptrs) {
1775 /* remove old pointer array */
1776 HeapFree (hdpaTemp->hHeap, 0, hdpaTemp->ptrs);
1777 hdpaTemp->ptrs = NULL;
1778 hdpaTemp->nItemCount = 0;
1779 hdpaTemp->nMaxCount = 0;
1782 /* create a new pointer array */
1783 nNewItems = hdpaTemp->nGrow *
1784 ((INT)((hdpa->nItemCount - 1) / hdpaTemp->nGrow) + 1);
1785 nSize = nNewItems * sizeof(LPVOID);
1787 (LPVOID*)HeapAlloc (hdpaTemp->hHeap, HEAP_ZERO_MEMORY, nSize);
1788 hdpaTemp->nMaxCount = nNewItems;
1790 /* clone the pointer array */
1791 hdpaTemp->nItemCount = hdpa->nItemCount;
1792 memmove (hdpaTemp->ptrs, hdpa->ptrs,
1793 hdpaTemp->nItemCount * sizeof(LPVOID));
1799 /**************************************************************************
1800 * DPA_GetPtr [COMCTL32.332]
1802 * Retrieves a pointer from a dynamic pointer array
1805 * hdpa [I] handle (pointer) to the pointer array
1806 * nIndex [I] array index of the desired pointer
1814 DPA_GetPtr (const HDPA hdpa, INT nIndex)
1816 TRACE("(%p %d)\n", hdpa, nIndex);
1821 WARN("no pointer array.\n");
1824 if ((nIndex < 0) || (nIndex >= hdpa->nItemCount)) {
1825 WARN("not enough pointers in array (%d vs %d).\n",nIndex,hdpa->nItemCount);
1829 TRACE("-- %p\n", hdpa->ptrs[nIndex]);
1831 return hdpa->ptrs[nIndex];
1835 /**************************************************************************
1836 * DPA_GetPtrIndex [COMCTL32.333]
1838 * Retrieves the index of the specified pointer
1841 * hdpa [I] handle (pointer) to the pointer array
1845 * Success: index of the specified pointer
1850 DPA_GetPtrIndex (const HDPA hdpa, LPVOID p)
1854 if (!hdpa || !hdpa->ptrs)
1857 for (i = 0; i < hdpa->nItemCount; i++) {
1858 if (hdpa->ptrs[i] == p)
1866 /**************************************************************************
1867 * DPA_InsertPtr [COMCTL32.334]
1869 * Inserts a pointer into a dynamic pointer array
1872 * hdpa [I] handle (pointer) to the array
1874 * p [I] pointer to insert
1877 * Success: index of the inserted pointer
1882 DPA_InsertPtr (const HDPA hdpa, INT i, LPVOID p)
1884 TRACE("(%p %d %p)\n", hdpa, i, p);
1886 if (!hdpa || i < 0) return -1;
1889 i = hdpa->nItemCount;
1891 if (i >= hdpa->nItemCount)
1892 return DPA_SetPtr(hdpa, i, p) ? i : -1;
1894 /* create empty spot at the end */
1895 if (!DPA_SetPtr(hdpa, hdpa->nItemCount, 0)) return -1;
1896 memmove (hdpa->ptrs + i + 1, hdpa->ptrs + i, (hdpa->nItemCount - i - 1) * sizeof(LPVOID));
1901 /**************************************************************************
1902 * DPA_SetPtr [COMCTL32.335]
1904 * Sets a pointer in the pointer array
1907 * hdpa [I] handle (pointer) to the pointer array
1908 * i [I] index of the pointer that will be set
1909 * p [I] pointer to be set
1917 DPA_SetPtr (const HDPA hdpa, INT i, LPVOID p)
1921 TRACE("(%p %d %p)\n", hdpa, i, p);
1923 if (!hdpa || i < 0 || i > 0x7fff)
1926 if (hdpa->nItemCount <= i) {
1927 /* within the old array */
1928 if (hdpa->nMaxCount <= i) {
1929 /* resize the block of memory */
1931 hdpa->nGrow * ((INT)(((i+1) - 1) / hdpa->nGrow) + 1);
1932 INT nSize = nNewItems * sizeof(LPVOID);
1935 lpTemp = (LPVOID*)HeapReAlloc (hdpa->hHeap, HEAP_ZERO_MEMORY, hdpa->ptrs, nSize);
1937 lpTemp = (LPVOID*)HeapAlloc (hdpa->hHeap, HEAP_ZERO_MEMORY, nSize);
1942 hdpa->nMaxCount = nNewItems;
1943 hdpa->ptrs = lpTemp;
1945 hdpa->nItemCount = i+1;
1948 /* put the new entry in */
1955 /**************************************************************************
1956 * DPA_DeletePtr [COMCTL32.336]
1958 * Removes a pointer from the pointer array.
1961 * hdpa [I] handle (pointer) to the pointer array
1962 * i [I] index of the pointer that will be deleted
1965 * Success: deleted pointer
1970 DPA_DeletePtr (const HDPA hdpa, INT i)
1972 LPVOID *lpDest, *lpSrc, lpTemp = NULL;
1975 TRACE("(%p %d)\n", hdpa, i);
1977 if ((!hdpa) || i < 0 || i >= hdpa->nItemCount)
1980 lpTemp = hdpa->ptrs[i];
1982 /* do we need to move ?*/
1983 if (i < hdpa->nItemCount - 1) {
1984 lpDest = hdpa->ptrs + i;
1986 nSize = (hdpa->nItemCount - i - 1) * sizeof(LPVOID);
1987 TRACE("-- move dest=%p src=%p size=%x\n",
1988 lpDest, lpSrc, nSize);
1989 memmove (lpDest, lpSrc, nSize);
1992 hdpa->nItemCount --;
1995 if ((hdpa->nMaxCount - hdpa->nItemCount) >= hdpa->nGrow) {
1996 INT nNewItems = max(hdpa->nGrow * 2, hdpa->nItemCount);
1997 nSize = nNewItems * sizeof(LPVOID);
1998 lpDest = (LPVOID)HeapReAlloc (hdpa->hHeap, HEAP_ZERO_MEMORY,
2003 hdpa->nMaxCount = nNewItems;
2004 hdpa->ptrs = (LPVOID*)lpDest;
2011 /**************************************************************************
2012 * DPA_DeleteAllPtrs [COMCTL32.337]
2014 * Removes all pointers and reinitializes the array.
2017 * hdpa [I] handle (pointer) to the pointer array
2025 DPA_DeleteAllPtrs (const HDPA hdpa)
2027 TRACE("(%p)\n", hdpa);
2032 if (hdpa->ptrs && (!HeapFree (hdpa->hHeap, 0, hdpa->ptrs)))
2035 hdpa->nItemCount = 0;
2036 hdpa->nMaxCount = hdpa->nGrow * 2;
2037 hdpa->ptrs = (LPVOID*)HeapAlloc (hdpa->hHeap, HEAP_ZERO_MEMORY,
2038 hdpa->nMaxCount * sizeof(LPVOID));
2044 /**************************************************************************
2045 * DPA_QuickSort [Internal]
2047 * Ordinary quicksort (used by DPA_Sort).
2050 * lpPtrs [I] pointer to the pointer array
2051 * l [I] index of the "left border" of the partition
2052 * r [I] index of the "right border" of the partition
2053 * pfnCompare [I] pointer to the compare function
2054 * lParam [I] user defined value (3rd parameter in compare function)
2061 DPA_QuickSort (LPVOID *lpPtrs, INT l, INT r,
2062 PFNDPACOMPARE pfnCompare, LPARAM lParam)
2067 TRACE("l=%i r=%i\n", l, r);
2069 if (l==r) /* one element is always sorted */
2071 if (r<l) /* oops, got it in the wrong order */
2073 DPA_QuickSort(lpPtrs, r, l, pfnCompare, lParam);
2076 m = (l+r)/2; /* divide by two */
2077 DPA_QuickSort(lpPtrs, l, m, pfnCompare, lParam);
2078 DPA_QuickSort(lpPtrs, m+1, r, pfnCompare, lParam);
2080 /* join the two sides */
2081 while( (l<=m) && (m<r) )
2083 if(pfnCompare(lpPtrs[l],lpPtrs[m+1],lParam)>0)
2086 memmove(&lpPtrs[l+1],&lpPtrs[l],(m-l+1)*sizeof(lpPtrs[l]));
2096 /**************************************************************************
2097 * DPA_Sort [COMCTL32.338]
2099 * Sorts a pointer array using a user defined compare function
2102 * hdpa [I] handle (pointer) to the pointer array
2103 * pfnCompare [I] pointer to the compare function
2104 * lParam [I] user defined value (3rd parameter of compare function)
2112 DPA_Sort (const HDPA hdpa, PFNDPACOMPARE pfnCompare, LPARAM lParam)
2114 if (!hdpa || !pfnCompare)
2117 TRACE("(%p %p 0x%lx)\n", hdpa, pfnCompare, lParam);
2119 if ((hdpa->nItemCount > 1) && (hdpa->ptrs))
2120 DPA_QuickSort (hdpa->ptrs, 0, hdpa->nItemCount - 1,
2121 pfnCompare, lParam);
2127 /**************************************************************************
2128 * DPA_Search [COMCTL32.339]
2130 * Searches a pointer array for a specified pointer
2133 * hdpa [I] handle (pointer) to the pointer array
2134 * pFind [I] pointer to search for
2135 * nStart [I] start index
2136 * pfnCompare [I] pointer to the compare function
2137 * lParam [I] user defined value (3rd parameter of compare function)
2138 * uOptions [I] search options
2141 * Success: index of the pointer in the array.
2145 * Binary search taken from R.Sedgewick "Algorithms in C"!
2146 * Function is NOT tested!
2147 * If something goes wrong, blame HIM not ME! (Eric Kohl)
2151 DPA_Search (const HDPA hdpa, LPVOID pFind, INT nStart,
2152 PFNDPACOMPARE pfnCompare, LPARAM lParam, UINT uOptions)
2154 if (!hdpa || !pfnCompare || !pFind)
2157 TRACE("(%p %p %d %p 0x%08lx 0x%08x)\n",
2158 hdpa, pFind, nStart, pfnCompare, lParam, uOptions);
2160 if (uOptions & DPAS_SORTED) {
2161 /* array is sorted --> use binary search */
2165 TRACE("binary search\n");
2167 l = (nStart == -1) ? 0 : nStart;
2168 r = hdpa->nItemCount - 1;
2172 n = (pfnCompare)(pFind, lpPtr[x], lParam);
2178 TRACE("-- ret=%d\n", n);
2183 if (uOptions & DPAS_INSERTBEFORE) {
2185 TRACE("-- ret=%d\n", r);
2189 if (uOptions & DPAS_INSERTAFTER) {
2190 TRACE("-- ret=%d\n", l);
2195 /* array is not sorted --> use linear search */
2199 TRACE("linear search\n");
2201 nIndex = (nStart == -1)? 0 : nStart;
2203 for (; nIndex < hdpa->nItemCount; nIndex++) {
2204 if ((pfnCompare)(pFind, lpPtr[nIndex], lParam) == 0) {
2205 TRACE("-- ret=%d\n", nIndex);
2211 TRACE("-- not found: ret=-1\n");
2216 /**************************************************************************
2217 * DPA_CreateEx [COMCTL32.340]
2219 * Creates a dynamic pointer array using the specified size and heap.
2222 * nGrow [I] number of items by which the array grows when it is filled
2223 * hHeap [I] handle to the heap where the array is stored
2226 * Success: handle (pointer) to the pointer array.
2230 * The DPA_ functions can be used to create and manipulate arrays of
2235 DPA_CreateEx (INT nGrow, HANDLE hHeap)
2239 TRACE("(%d %p)\n", nGrow, hHeap);
2242 hdpa = (HDPA)HeapAlloc (hHeap, HEAP_ZERO_MEMORY, sizeof(*hdpa));
2244 hdpa = Alloc (sizeof(*hdpa));
2247 hdpa->nGrow = max(8, nGrow);
2248 hdpa->hHeap = hHeap ? hHeap : GetProcessHeap();
2249 hdpa->nMaxCount = hdpa->nGrow * 2;
2250 hdpa->ptrs = HeapAlloc (hdpa->hHeap, HEAP_ZERO_MEMORY,
2251 hdpa->nMaxCount * sizeof(LPVOID));
2254 TRACE("-- %p\n", hdpa);
2260 /**************************************************************************
2261 * DPA_Create [COMCTL32.328]
2263 * Creates a dynamic pointer array.
2266 * nGrow [I] number of items by which the array grows when it is filled
2269 * Success: handle (pointer) to the pointer array.
2273 * The DPA_ functions can be used to create and manipulate arrays of
2278 DPA_Create (INT nGrow)
2280 return DPA_CreateEx( nGrow, 0 );
2284 /**************************************************************************
2285 * Notification functions
2288 typedef struct tagNOTIFYDATA
2296 } NOTIFYDATA, *LPNOTIFYDATA;
2299 /**************************************************************************
2300 * DoNotify [Internal]
2304 DoNotify (LPNOTIFYDATA lpNotify, UINT uCode, LPNMHDR lpHdr)
2307 LPNMHDR lpNmh = NULL;
2310 TRACE("(%p %p %d %p 0x%08lx)\n",
2311 lpNotify->hwndFrom, lpNotify->hwndTo, uCode, lpHdr,
2312 lpNotify->dwParam5);
2314 if (!lpNotify->hwndTo)
2317 if (lpNotify->hwndFrom == (HWND)-1) {
2319 idFrom = lpHdr->idFrom;
2322 if (lpNotify->hwndFrom)
2323 idFrom = GetDlgCtrlID (lpNotify->hwndFrom);
2325 lpNmh = (lpHdr) ? lpHdr : &nmhdr;
2327 lpNmh->hwndFrom = lpNotify->hwndFrom;
2328 lpNmh->idFrom = idFrom;
2329 lpNmh->code = uCode;
2332 return SendMessageA (lpNotify->hwndTo, WM_NOTIFY, idFrom, (LPARAM)lpNmh);
2336 /**************************************************************************
2337 * SendNotify [COMCTL32.341]
2339 * Sends a WM_NOTIFY message to the specified window.
2342 * hwndTo [I] Window to receive the message
2343 * hwndFrom [I] Window that the message is from (see notes)
2344 * uCode [I] Notification code
2345 * lpHdr [I] The NMHDR and any additional information to send or NULL
2348 * Success: return value from notification
2352 * If hwndFrom is -1 then the identifier of the control sending the
2353 * message is taken from the NMHDR structure.
2354 * If hwndFrom is not -1 then lpHdr can be NULL.
2357 LRESULT WINAPI SendNotify (HWND hwndTo, HWND hwndFrom, UINT uCode, LPNMHDR lpHdr)
2361 TRACE("(%p %p %d %p)\n",
2362 hwndTo, hwndFrom, uCode, lpHdr);
2364 notify.hwndFrom = hwndFrom;
2365 notify.hwndTo = hwndTo;
2366 notify.dwParam5 = 0;
2367 notify.dwParam6 = 0;
2369 return DoNotify (¬ify, uCode, lpHdr);
2373 /**************************************************************************
2374 * SendNotifyEx [COMCTL32.342]
2376 * Sends a WM_NOTIFY message to the specified window.
2379 * hwndFrom [I] Window to receive the message
2380 * hwndTo [I] Window that the message is from
2381 * uCode [I] Notification code
2382 * lpHdr [I] The NMHDR and any additional information to send or NULL
2383 * dwParam5 [I] Unknown
2386 * Success: return value from notification
2390 * If hwndFrom is -1 then the identifier of the control sending the
2391 * message is taken from the NMHDR structure.
2392 * If hwndFrom is not -1 then lpHdr can be NULL.
2395 LRESULT WINAPI SendNotifyEx (HWND hwndTo, HWND hwndFrom, UINT uCode,
2396 LPNMHDR lpHdr, DWORD dwParam5)
2401 TRACE("(%p %p %d %p 0x%08lx)\n",
2402 hwndFrom, hwndTo, uCode, lpHdr, dwParam5);
2404 hwndNotify = hwndTo;
2406 if (IsWindow (hwndFrom)) {
2407 hwndNotify = GetParent (hwndFrom);
2413 notify.hwndFrom = hwndFrom;
2414 notify.hwndTo = hwndNotify;
2415 notify.dwParam5 = dwParam5;
2416 notify.dwParam6 = 0;
2418 return DoNotify (¬ify, uCode, lpHdr);
2424 /**************************************************************************
2425 * DPA_EnumCallback [COMCTL32.385]
2427 * Enumerates all items in a dynamic pointer array.
2430 * hdpa [I] handle to the dynamic pointer array
2439 DPA_EnumCallback (HDPA hdpa, PFNDPAENUMCALLBACK enumProc, LPVOID lParam)
2443 TRACE("(%p %p %p)\n", hdpa, enumProc, lParam);
2447 if (hdpa->nItemCount <= 0)
2450 for (i = 0; i < hdpa->nItemCount; i++) {
2451 if ((enumProc)(hdpa->ptrs[i], lParam) == 0)
2459 /**************************************************************************
2460 * DPA_DestroyCallback [COMCTL32.386]
2462 * Enumerates all items in a dynamic pointer array and destroys it.
2465 * hdpa [I] handle to the dynamic pointer array
2474 DPA_DestroyCallback (HDPA hdpa, PFNDPAENUMCALLBACK enumProc, LPVOID lParam)
2476 TRACE("(%p %p %p)\n", hdpa, enumProc, lParam);
2478 DPA_EnumCallback (hdpa, enumProc, lParam);
2483 /**************************************************************************
2484 * DSA_EnumCallback [COMCTL32.387]
2486 * Enumerates all items in a dynamic storage array.
2489 * hdsa [I] handle to the dynamic storage array
2498 DSA_EnumCallback (HDSA hdsa, PFNDSAENUMCALLBACK enumProc, LPVOID lParam)
2502 TRACE("(%p %p %p)\n", hdsa, enumProc, lParam);
2506 if (hdsa->nItemCount <= 0)
2509 for (i = 0; i < hdsa->nItemCount; i++) {
2510 LPVOID lpItem = DSA_GetItemPtr (hdsa, i);
2511 if ((enumProc)(lpItem, lParam) == 0)
2519 /**************************************************************************
2520 * DSA_DestroyCallback [COMCTL32.388]
2522 * Enumerates all items in a dynamic storage array and destroys it.
2525 * hdsa [I] handle to the dynamic storage array
2534 DSA_DestroyCallback (HDSA hdsa, PFNDSAENUMCALLBACK enumProc, LPVOID lParam)
2536 TRACE("(%p %p %p)\n", hdsa, enumProc, lParam);
2538 DSA_EnumCallback (hdsa, enumProc, lParam);