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/*
* Undocumented functions from COMCTL32.DLL
*
* Copyright 1998 Eric Kohl
* 1998 Juergen Schmied <j.schmied@metronet.de>
* 2000 Eric Kohl for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* NOTES
* All of these functions are UNDOCUMENTED!! And I mean UNDOCUMENTED!!!!
* Do NOT rely on names or contents of undocumented structures and types!!!
* These functions are used by EXPLORER.EXE, IEXPLORE.EXE and
* COMCTL32.DLL (internally).
*
*/
#include "config.h"
#include "wine/port.h"
#include <stdarg.h>
#include <string.h>
#include <ctype.h>
#include <limits.h>
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winnls.h"
#include "winreg.h"
#include "commctrl.h"
#include "objbase.h"
#include "winerror.h"
#include "wine/unicode.h"
#include "comctl32.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(commctrl);
struct _DSA
{
INT nItemCount;
LPVOID pData;
INT nMaxCount;
INT nItemSize;
INT nGrow;
};
struct _DPA
{
INT nItemCount;
LPVOID *ptrs;
HANDLE hHeap;
INT nGrow;
INT nMaxCount;
};
typedef struct _STREAMDATA
{
DWORD dwSize;
DWORD dwData2;
DWORD dwItems;
} STREAMDATA, *PSTREAMDATA;
typedef struct _LOADDATA
{
INT nCount;
PVOID ptr;
} LOADDATA, *LPLOADDATA;
typedef HRESULT (CALLBACK *DPALOADPROC)(LPLOADDATA,IStream*,LPARAM);
/**************************************************************************
* DPA_LoadStream [COMCTL32.9]
*
* Loads a dynamic pointer array from a stream
*
* PARAMS
* phDpa [O] pointer to a handle to a dynamic pointer array
* loadProc [I] pointer to a callback function
* pStream [I] pointer to a stream
* lParam [I] application specific value
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*
* NOTES
* No more information available yet!
*/
HRESULT WINAPI
DPA_LoadStream (HDPA *phDpa, DPALOADPROC loadProc, IStream *pStream, LPARAM lParam)
{
HRESULT errCode;
LARGE_INTEGER position;
ULARGE_INTEGER newPosition;
STREAMDATA streamData;
LOADDATA loadData;
ULONG ulRead;
HDPA hDpa;
PVOID *ptr;
FIXME ("phDpa=%p loadProc=%p pStream=%p lParam=%lx\n",
phDpa, loadProc, pStream, lParam);
if (!phDpa || !loadProc || !pStream)
return E_INVALIDARG;
*phDpa = (HDPA)NULL;
position.QuadPart = 0;
/*
* Zero out our streamData
*/
memset(&streamData,0,sizeof(STREAMDATA));
errCode = IStream_Seek (pStream, position, STREAM_SEEK_CUR, &newPosition);
if (errCode != S_OK)
return errCode;
errCode = IStream_Read (pStream, &streamData, sizeof(STREAMDATA), &ulRead);
if (errCode != S_OK)
return errCode;
FIXME ("dwSize=%lu dwData2=%lu dwItems=%lu\n",
streamData.dwSize, streamData.dwData2, streamData.dwItems);
if ( ulRead < sizeof(STREAMDATA) ||
lParam < sizeof(STREAMDATA) ||
streamData.dwSize < sizeof(STREAMDATA) ||
streamData.dwData2 < 1) {
errCode = E_FAIL;
}
if (streamData.dwItems > (UINT_MAX / 2 / sizeof(VOID*))) /* 536870911 */
return E_OUTOFMEMORY;
/* create the dpa */
hDpa = DPA_Create (streamData.dwItems);
if (!hDpa)
return E_OUTOFMEMORY;
if (!DPA_Grow (hDpa, streamData.dwItems))
return E_OUTOFMEMORY;
/* load data from the stream into the dpa */
ptr = hDpa->ptrs;
for (loadData.nCount = 0; loadData.nCount < streamData.dwItems; loadData.nCount++) {
errCode = (loadProc)(&loadData, pStream, lParam);
if (errCode != S_OK) {
errCode = S_FALSE;
break;
}
*ptr = loadData.ptr;
ptr++;
}
/* set the number of items */
hDpa->nItemCount = loadData.nCount;
/* store the handle to the dpa */
*phDpa = hDpa;
FIXME ("new hDpa=%p, errorcode=%lx\n", hDpa, errCode);
return errCode;
}
/**************************************************************************
* DPA_SaveStream [COMCTL32.10]
*
* Saves a dynamic pointer array to a stream
*
* PARAMS
* hDpa [I] handle to a dynamic pointer array
* loadProc [I] pointer to a callback function
* pStream [I] pointer to a stream
* lParam [I] application specific value
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*
* NOTES
* No more information available yet!
*/
HRESULT WINAPI
DPA_SaveStream (const HDPA hDpa, DPALOADPROC loadProc, IStream *pStream, LPARAM lParam)
{
FIXME ("hDpa=%p loadProc=%p pStream=%p lParam=%lx\n",
hDpa, loadProc, pStream, lParam);
return E_FAIL;
}
/**************************************************************************
* DPA_Merge [COMCTL32.11]
*
* PARAMS
* hdpa1 [I] handle to a dynamic pointer array
* hdpa2 [I] handle to a dynamic pointer array
* dwFlags [I] flags
* pfnCompare [I] pointer to sort function
* pfnMerge [I] pointer to merge function
* lParam [I] application specific value
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*
* NOTES
* No more information available yet!
*/
BOOL WINAPI
DPA_Merge (const HDPA hdpa1, const HDPA hdpa2, DWORD dwFlags,
PFNDPACOMPARE pfnCompare, PFNDPAMERGE pfnMerge, LPARAM lParam)
{
INT nCount;
LPVOID *pWork1, *pWork2;
INT nResult, i;
INT nIndex;
TRACE("%p %p %08lx %p %p %08lx)\n",
hdpa1, hdpa2, dwFlags, pfnCompare, pfnMerge, lParam);
if (IsBadWritePtr (hdpa1, sizeof(*hdpa1)))
return FALSE;
if (IsBadWritePtr (hdpa2, sizeof(*hdpa2)))
return FALSE;
if (IsBadCodePtr ((FARPROC)pfnCompare))
return FALSE;
if (IsBadCodePtr ((FARPROC)pfnMerge))
return FALSE;
if (!(dwFlags & DPAM_NOSORT)) {
TRACE("sorting dpa's!\n");
if (hdpa1->nItemCount > 0)
DPA_Sort (hdpa1, pfnCompare, lParam);
TRACE ("dpa 1 sorted!\n");
if (hdpa2->nItemCount > 0)
DPA_Sort (hdpa2, pfnCompare, lParam);
TRACE ("dpa 2 sorted!\n");
}
if (hdpa2->nItemCount < 1)
return TRUE;
TRACE("hdpa1->nItemCount=%d hdpa2->nItemCount=%d\n",
hdpa1->nItemCount, hdpa2->nItemCount);
/* working but untrusted implementation */
pWork1 = &(hdpa1->ptrs[hdpa1->nItemCount - 1]);
pWork2 = &(hdpa2->ptrs[hdpa2->nItemCount - 1]);
nIndex = hdpa1->nItemCount - 1;
nCount = hdpa2->nItemCount - 1;
do
{
if (nIndex < 0) {
if ((nCount >= 0) && (dwFlags & DPAM_INSERT)) {
/* Now insert the remaining new items into DPA 1 */
TRACE("%d items to be inserted at start of DPA 1\n",
nCount+1);
for (i=nCount; i>=0; i--) {
PVOID ptr;
ptr = (pfnMerge)(3, *pWork2, NULL, lParam);
if (!ptr)
return FALSE;
DPA_InsertPtr (hdpa1, 0, ptr);
pWork2--;
}
}
break;
}
nResult = (pfnCompare)(*pWork1, *pWork2, lParam);
TRACE("compare result=%d, dpa1.cnt=%d, dpa2.cnt=%d\n",
nResult, nIndex, nCount);
if (nResult == 0)
{
PVOID ptr;
ptr = (pfnMerge)(1, *pWork1, *pWork2, lParam);
if (!ptr)
return FALSE;
nCount--;
pWork2--;
*pWork1 = ptr;
nIndex--;
pWork1--;
}
else if (nResult > 0)
{
/* item in DPA 1 missing from DPA 2 */
if (dwFlags & DPAM_DELETE)
{
/* Now delete the extra item in DPA1 */
PVOID ptr;
ptr = DPA_DeletePtr (hdpa1, hdpa1->nItemCount - 1);
(pfnMerge)(2, ptr, NULL, lParam);
}
nIndex--;
pWork1--;
}
else
{
/* new item in DPA 2 */
if (dwFlags & DPAM_INSERT)
{
/* Now insert the new item in DPA 1 */
PVOID ptr;
ptr = (pfnMerge)(3, *pWork2, NULL, lParam);
if (!ptr)
return FALSE;
DPA_InsertPtr (hdpa1, nIndex+1, ptr);
}
nCount--;
pWork2--;
}
}
while (nCount >= 0);
return TRUE;
}
/**************************************************************************
* Alloc [COMCTL32.71]
*
* Allocates memory block from the dll's private heap
*
* PARAMS
* dwSize [I] size of the allocated memory block
*
* RETURNS
* Success: pointer to allocated memory block
* Failure: NULL
*/
LPVOID WINAPI Alloc (DWORD dwSize)
{
return LocalAlloc( LMEM_ZEROINIT, dwSize );
}
/**************************************************************************
* ReAlloc [COMCTL32.72]
*
* Changes the size of an allocated memory block or allocates a memory
* block using the dll's private heap.
*
* PARAMS
* lpSrc [I] pointer to memory block which will be resized
* dwSize [I] new size of the memory block.
*
* RETURNS
* Success: pointer to the resized memory block
* Failure: NULL
*
* NOTES
* If lpSrc is a NULL-pointer, then ReAlloc allocates a memory
* block like Alloc.
*/
LPVOID WINAPI ReAlloc (LPVOID lpSrc, DWORD dwSize)
{
if (lpSrc)
return LocalReAlloc( lpSrc, dwSize, LMEM_ZEROINIT );
else
return LocalAlloc( LMEM_ZEROINIT, dwSize);
}
/**************************************************************************
* Free [COMCTL32.73]
*
* Frees an allocated memory block from the dll's private heap.
*
* PARAMS
* lpMem [I] pointer to memory block which will be freed
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI Free (LPVOID lpMem)
{
return !LocalFree( lpMem );
}
/**************************************************************************
* GetSize [COMCTL32.74]
*
* Retrieves the size of the specified memory block from the dll's
* private heap.
*
* PARAMS
* lpMem [I] pointer to an allocated memory block
*
* RETURNS
* Success: size of the specified memory block
* Failure: 0
*/
DWORD WINAPI GetSize (LPVOID lpMem)
{
return LocalSize( lpMem );
}
/**************************************************************************
* The MRU-API is a set of functions to manipulate MRU(Most Recently Used)
* lists.
*
* Stored in the reg. as a set of values under a single key. Each item in the
* list has a value name that is a single char. 'a' - 'z', '{', '|' or '}'.
* The order of the list is stored with value name 'MRUList' which is a string
* containing the value names (i.e. 'a', 'b', etc.) in the relevant order.
*/
typedef struct tagCREATEMRULISTA
{
DWORD cbSize; /* size of struct */
DWORD nMaxItems; /* max no. of items in list */
DWORD dwFlags; /* see below */
HKEY hKey; /* root reg. key under which list is saved */
LPCSTR lpszSubKey; /* reg. subkey */
PROC lpfnCompare; /* item compare proc */
} CREATEMRULISTA, *LPCREATEMRULISTA;
typedef struct tagCREATEMRULISTW
{
DWORD cbSize; /* size of struct */
DWORD nMaxItems; /* max no. of items in list */
DWORD dwFlags; /* see below */
HKEY hKey; /* root reg. key under which list is saved */
LPCWSTR lpszSubKey; /* reg. subkey */
PROC lpfnCompare; /* item compare proc */
} CREATEMRULISTW, *LPCREATEMRULISTW;
/* dwFlags */
#define MRUF_STRING_LIST 0 /* list will contain strings */
#define MRUF_BINARY_LIST 1 /* list will contain binary data */
#define MRUF_DELAYED_SAVE 2 /* only save list order to reg. is FreeMRUList */
/* If list is a string list lpfnCompare has the following prototype
* int CALLBACK MRUCompareString(LPCSTR s1, LPCSTR s2)
* for binary lists the prototype is
* int CALLBACK MRUCompareBinary(LPCVOID data1, LPCVOID data2, DWORD cbData)
* where cbData is the no. of bytes to compare.
* Need to check what return value means identical - 0?
*/
typedef struct tagWINEMRUITEM
{
DWORD size; /* size of data stored */
DWORD itemFlag; /* flags */
BYTE datastart;
} WINEMRUITEM, *LPWINEMRUITEM;
/* itemFlag */
#define WMRUIF_CHANGED 0x0001 /* this dataitem changed */
typedef struct tagWINEMRULIST
{
CREATEMRULISTW extview; /* original create information */
BOOL isUnicode; /* is compare fn Unicode */
DWORD wineFlags; /* internal flags */
DWORD cursize; /* current size of realMRU */
LPSTR realMRU; /* pointer to string of index names */
LPWINEMRUITEM *array; /* array of pointers to data */
/* in 'a' to 'z' order */
} WINEMRULIST, *LPWINEMRULIST;
/* wineFlags */
#define WMRUF_CHANGED 0x0001 /* MRU list has changed */
/**************************************************************************
* MRU_SaveChanged (internal)
*
* Localize MRU saving code
*/
VOID MRU_SaveChanged( LPWINEMRULIST mp )
{
UINT i, err;
HKEY newkey;
WCHAR realname[2];
LPWINEMRUITEM witem;
WCHAR emptyW[] = {'\0'};
/* or should we do the following instead of RegOpenKeyEx:
*/
/* open the sub key */
if ((err = RegOpenKeyExW( mp->extview.hKey, mp->extview.lpszSubKey,
0, KEY_WRITE, &newkey))) {
/* not present - what to do ??? */
ERR("Can not open key, error=%d, attempting to create\n",
err);
if ((err = RegCreateKeyExW( mp->extview.hKey, mp->extview.lpszSubKey,
0,
emptyW,
REG_OPTION_NON_VOLATILE,
KEY_READ | KEY_WRITE,
0,
&newkey,
0))) {
ERR("failed to create key /%s/, err=%d\n",
debugstr_w(mp->extview.lpszSubKey), err);
return;
}
}
if (mp->wineFlags & WMRUF_CHANGED) {
mp->wineFlags &= ~WMRUF_CHANGED;
err = RegSetValueExA(newkey, "MRUList", 0, REG_SZ,
mp->realMRU, strlen(mp->realMRU) + 1);
if (err) {
ERR("error saving MRUList, err=%d\n", err);
}
TRACE("saving MRUList=/%s/\n", mp->realMRU);
}
realname[1] = 0;
for(i=0; i<mp->cursize; i++) {
witem = mp->array[i];
if (witem->itemFlag & WMRUIF_CHANGED) {
witem->itemFlag &= ~WMRUIF_CHANGED;
realname[0] = 'a' + i;
err = RegSetValueExW(newkey, realname, 0,
(mp->extview.dwFlags & MRUF_BINARY_LIST) ?
REG_BINARY : REG_SZ,
&witem->datastart, witem->size);
if (err) {
ERR("error saving /%s/, err=%d\n", debugstr_w(realname), err);
}
TRACE("saving value for name /%s/ size=%ld\n",
debugstr_w(realname), witem->size);
}
}
RegCloseKey( newkey );
}
/**************************************************************************
* FreeMRUList [COMCTL32.152]
*
* Frees a most-recently-used items list.
*
* PARAMS
* hMRUList [I] Handle to list.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI
FreeMRUList (HANDLE hMRUList)
{
LPWINEMRULIST mp = (LPWINEMRULIST)hMRUList;
UINT i;
TRACE("\n");
if (mp->wineFlags & WMRUF_CHANGED) {
/* need to open key and then save the info */
MRU_SaveChanged( mp );
}
for(i=0; i<mp->extview.nMaxItems; i++) {
if (mp->array[i])
Free(mp->array[i]);
}
Free(mp->realMRU);
Free(mp->array);
Free((LPWSTR)mp->extview.lpszSubKey);
return Free(mp);
}
/**************************************************************************
* FindMRUData [COMCTL32.169]
*
* Searches binary list for item that matches lpData of length cbData.
* Returns position in list order 0 -> MRU and if lpRegNum != NULL then value
* corresponding to item's reg. name will be stored in it ('a' -> 0).
*
* PARAMS
* hList [I] list handle
* lpData [I] data to find
* cbData [I] length of data
* lpRegNum [O] position in registry (maybe NULL)
*
* RETURNS
* Position in list 0 -> MRU. -1 if item not found.
*/
INT WINAPI
FindMRUData (HANDLE hList, LPCVOID lpData, DWORD cbData, LPINT lpRegNum)
{
LPWINEMRULIST mp = (LPWINEMRULIST)hList;
UINT i, ret;
LPSTR dataA = NULL;
if (!mp->extview.lpfnCompare) {
ERR("MRU list not properly created. No compare procedure.\n");
return -1;
}
if(!(mp->extview.dwFlags & MRUF_BINARY_LIST) && !mp->isUnicode) {
DWORD len = WideCharToMultiByte(CP_ACP, 0, lpData, -1,
NULL, 0, NULL, NULL);
dataA = Alloc(len);
WideCharToMultiByte(CP_ACP, 0, lpData, -1, dataA, len, NULL, NULL);
}
for(i=0; i<mp->cursize; i++) {
if (mp->extview.dwFlags & MRUF_BINARY_LIST) {
if (!mp->extview.lpfnCompare(lpData, &mp->array[i]->datastart,
cbData))
break;
}
else {
if(mp->isUnicode) {
if (!mp->extview.lpfnCompare(lpData, &mp->array[i]->datastart))
break;
} else {
DWORD len = WideCharToMultiByte(CP_ACP, 0,
(LPWSTR)&mp->array[i]->datastart, -1,
NULL, 0, NULL, NULL);
LPSTR itemA = Alloc(len);
INT cmp;
WideCharToMultiByte(CP_ACP, 0, (LPWSTR)&mp->array[i]->datastart, -1,
itemA, len, NULL, NULL);
cmp = mp->extview.lpfnCompare(dataA, itemA);
Free(itemA);
if(!cmp)
break;
}
}
}
if(dataA)
Free(dataA);
if (i < mp->cursize)
ret = i;
else
ret = -1;
if (lpRegNum && (ret != -1))
*lpRegNum = 'a' + i;
TRACE("(%p, %p, %ld, %p) returning %d\n",
hList, lpData, cbData, lpRegNum, ret);
return ret;
}
/**************************************************************************
* AddMRUData [COMCTL32.167]
*
* Add item to MRU binary list. If item already exists in list then it is
* simply moved up to the top of the list and not added again. If list is
* full then the least recently used item is removed to make room.
*
* PARAMS
* hList [I] Handle to list.
* lpData [I] ptr to data to add.
* cbData [I] no. of bytes of data.
*
* RETURNS
* No. corresponding to registry name where value is stored 'a' -> 0 etc.
* -1 on error.
*/
INT WINAPI
AddMRUData (HANDLE hList, LPCVOID lpData, DWORD cbData)
{
LPWINEMRULIST mp = (LPWINEMRULIST)hList;
LPWINEMRUITEM witem;
INT i, replace, ret;
if ((replace = FindMRUData (hList, lpData, cbData, NULL)) < 0) {
/* either add a new entry or replace oldest */
if (mp->cursize < mp->extview.nMaxItems) {
/* Add in a new item */
replace = mp->cursize;
mp->cursize++;
}
else {
/* get the oldest entry and replace data */
replace = mp->realMRU[mp->cursize - 1] - 'a';
Free(mp->array[replace]);
}
}
else {
/* free up the old data */
Free(mp->array[replace]);
}
/* Allocate space for new item and move in the data */
mp->array[replace] = witem = Alloc(cbData + sizeof(WINEMRUITEM));
witem->itemFlag |= WMRUIF_CHANGED;
witem->size = cbData;
memcpy( &witem->datastart, lpData, cbData);
/* now rotate MRU list */
mp->wineFlags |= WMRUF_CHANGED;
for(i=mp->cursize-1; i>=1; i--) {
mp->realMRU[i] = mp->realMRU[i-1];
}
mp->realMRU[0] = replace + 'a';
TRACE("(%p, %p, %ld) adding data, /%c/ now most current\n",
hList, lpData, cbData, replace+'a');
ret = replace;
if (!(mp->extview.dwFlags & MRUF_DELAYED_SAVE)) {
/* save changed stuff right now */
MRU_SaveChanged( mp );
}
return ret;
}
/**************************************************************************
* AddMRUStringW [COMCTL32.401]
*
* Add item to MRU string list. If item already exists in list them it is
* simply moved up to the top of the list and not added again. If list is
* full then the least recently used item is removed to make room.
*
* PARAMS
* hList [I] Handle to list.
* lpszString [I] ptr to string to add.
*
* RETURNS
* No. corresponding to registry name where value is stored 'a' -> 0 etc.
* -1 on error.
*/
INT WINAPI
AddMRUStringW(HANDLE hList, LPCWSTR lpszString)
{
FIXME("(%p, %s) empty stub!\n", hList, debugstr_w(lpszString));
return 0;
}
/**************************************************************************
* AddMRUStringA [COMCTL32.153]
*
* See AddMRUStringW.
*/
INT WINAPI
AddMRUStringA(HANDLE hList, LPCSTR lpszString)
{
FIXME("(%p, %s) empty stub!\n", hList, debugstr_a(lpszString));
return 0;
}
/**************************************************************************
* DelMRUString [COMCTL32.156]
*
* Removes item from either string or binary list (despite its name)
*
* PARAMS
* hList [I] list handle
* nItemPos [I] item position to remove 0 -> MRU
*
* RETURNS
* TRUE if successful, FALSE if nItemPos is out of range.
*/
BOOL WINAPI
DelMRUString(HANDLE hList, INT nItemPos)
{
FIXME("(%p, %d): stub\n", hList, nItemPos);
return TRUE;
}
/**************************************************************************
* FindMRUStringW [COMCTL32.402]
*
* See FindMRUStringA.
*/
INT WINAPI
FindMRUStringW (HANDLE hList, LPCWSTR lpszString, LPINT lpRegNum)
{
FIXME("stub\n");
return -1;
}
/**************************************************************************
* FindMRUStringA [COMCTL32.155]
*
* Searches string list for item that matches lpszString.
* Returns position in list order 0 -> MRU and if lpRegNum != NULL then value
* corresponding to item's reg. name will be stored in it ('a' -> 0).
*
* PARAMS
* hList [I] list handle
* lpszString [I] string to find
* lpRegNum [O] position in registry (maybe NULL)
*
* RETURNS
* Position in list 0 -> MRU. -1 if item not found.
*/
INT WINAPI
FindMRUStringA (HANDLE hList, LPCSTR lpszString, LPINT lpRegNum)
{
DWORD len = MultiByteToWideChar(CP_ACP, 0, lpszString, -1, NULL, 0);
LPWSTR stringW = Alloc(len * sizeof(WCHAR));
INT ret;
MultiByteToWideChar(CP_ACP, 0, lpszString, -1, stringW, len);
ret = FindMRUData(hList, stringW, len * sizeof(WCHAR), lpRegNum);
Free(stringW);
return ret;
}
/*************************************************************************
* CreateMRUListLazy_common (internal)
*/
HANDLE CreateMRUListLazy_common(LPWINEMRULIST mp)
{
UINT i, err;
HKEY newkey;
DWORD datasize, dwdisp;
WCHAR realname[2];
LPWINEMRUITEM witem;
DWORD type;
WCHAR emptyW[] = {'\0'};
/* get space to save indices that will turn into names
* but in order of most to least recently used
*/
mp->realMRU = Alloc(mp->extview.nMaxItems + 2);
/* get space to save pointers to actual data in order of
* 'a' to 'z' (0 to n).
*/
mp->array = Alloc(mp->extview.nMaxItems * sizeof(LPVOID));
/* open the sub key */
if ((err = RegCreateKeyExW( mp->extview.hKey, mp->extview.lpszSubKey,
0,
emptyW,
REG_OPTION_NON_VOLATILE,
KEY_READ | KEY_WRITE,
0,
&newkey,
&dwdisp))) {
/* error - what to do ??? */
ERR("(%lu %lu %lx %lx \"%s\" %p): Can not open key, error=%d\n",
mp->extview.cbSize, mp->extview.nMaxItems, mp->extview.dwFlags,
(DWORD)mp->extview.hKey, debugstr_w(mp->extview.lpszSubKey),
mp->extview.lpfnCompare, err);
return 0;
}
/* get values from key 'MRUList' */
if (newkey) {
datasize = mp->extview.nMaxItems + 1;
if((err=RegQueryValueExA( newkey, "MRUList", 0, &type, mp->realMRU,
&datasize))) {
/* not present - set size to 1 (will become 0 later) */
datasize = 1;
*mp->realMRU = 0;
}
TRACE("MRU list = %s\n", mp->realMRU);
mp->cursize = datasize - 1;
/* datasize now has number of items in the MRUList */
/* get actual values for each entry */
realname[1] = 0;
for(i=0; i<mp->cursize; i++) {
realname[0] = 'a' + i;
if(RegQueryValueExW( newkey, realname, 0, &type, 0, &datasize)) {
/* not present - what to do ??? */
ERR("Key %s not found 1\n", debugstr_w(realname));
}
mp->array[i] = witem = Alloc(datasize + sizeof(WINEMRUITEM));
witem->size = datasize;
if(RegQueryValueExW( newkey, realname, 0, &type,
&witem->datastart, &datasize)) {
/* not present - what to do ??? */
ERR("Key %s not found 2\n", debugstr_w(realname));
}
}
RegCloseKey( newkey );
}
else
mp->cursize = 0;
TRACE("(%lu %lu %lx %lx \"%s\" %p): Current Size = %ld\n",
mp->extview.cbSize, mp->extview.nMaxItems, mp->extview.dwFlags,
(DWORD)mp->extview.hKey, debugstr_w(mp->extview.lpszSubKey),
mp->extview.lpfnCompare, mp->cursize);
return (HANDLE)mp;
}
/**************************************************************************
* CreateMRUListLazyW [COMCTL32.404]
*
* See CreateMRUListLazyA.
*/
HANDLE WINAPI
CreateMRUListLazyW (LPCREATEMRULISTW lpcml, DWORD dwParam2, DWORD dwParam3, DWORD dwParam4)
{
LPWINEMRULIST mp;
if (lpcml == NULL)
return 0;
if (lpcml->cbSize < sizeof(CREATEMRULISTW))
return 0;
mp = Alloc(sizeof(WINEMRULIST));
memcpy(&mp->extview, lpcml, sizeof(CREATEMRULISTW));
mp->extview.lpszSubKey = Alloc((strlenW(lpcml->lpszSubKey) + 1) * sizeof(WCHAR));
strcpyW((LPWSTR)mp->extview.lpszSubKey, lpcml->lpszSubKey);
mp->isUnicode = TRUE;
return CreateMRUListLazy_common(mp);
}
/**************************************************************************
* CreateMRUListLazyA [COMCTL32.157]
*
* Creates a most-recently-used list.
*
* PARAMS
* lpcml [I] ptr to CREATEMRULIST structure.
* dwParam2 [I] Unknown
* dwParam3 [I] Unknown
* dwParam4 [I] Unknown
*
* RETURNS
* Handle to MRU list.
*/
HANDLE WINAPI
CreateMRUListLazyA (LPCREATEMRULISTA lpcml, DWORD dwParam2, DWORD dwParam3, DWORD dwParam4)
{
LPWINEMRULIST mp;
DWORD len;
if (lpcml == NULL)
return 0;
if (lpcml->cbSize < sizeof(CREATEMRULISTA))
return 0;
mp = Alloc(sizeof(WINEMRULIST));
memcpy(&mp->extview, lpcml, sizeof(CREATEMRULISTW));
len = MultiByteToWideChar(CP_ACP, 0, lpcml->lpszSubKey, -1, NULL, 0);
mp->extview.lpszSubKey = Alloc(len * sizeof(WCHAR));
MultiByteToWideChar(CP_ACP, 0, lpcml->lpszSubKey, -1,
(LPWSTR)mp->extview.lpszSubKey, len);
mp->isUnicode = FALSE;
return CreateMRUListLazy_common(mp);
}
/**************************************************************************
* CreateMRUListW [COMCTL32.400]
*
* See CreateMRUListA.
*/
HANDLE WINAPI
CreateMRUListW (LPCREATEMRULISTW lpcml)
{
return CreateMRUListLazyW(lpcml, 0, 0, 0);
}
/**************************************************************************
* CreateMRUListA [COMCTL32.151]
*
* Creates a most-recently-used list.
*
* PARAMS
* lpcml [I] ptr to CREATEMRULIST structure.
*
* RETURNS
* Handle to MRU list.
*/
HANDLE WINAPI
CreateMRUListA (LPCREATEMRULISTA lpcml)
{
return CreateMRUListLazyA (lpcml, 0, 0, 0);
}
/**************************************************************************
* EnumMRUListW [COMCTL32.403]
*
* Enumerate item in a most-recenty-used list
*
* PARAMS
* hList [I] list handle
* nItemPos [I] item position to enumerate
* lpBuffer [O] buffer to receive item
* nBufferSize [I] size of buffer
*
* RETURNS
* For binary lists specifies how many bytes were copied to buffer, for
* string lists specifies full length of string. Enumerating past the end
* of list returns -1.
* If lpBuffer == NULL or nItemPos is -ve return value is no. of items in
* the list.
*/
INT WINAPI EnumMRUListW(HANDLE hList, INT nItemPos, LPVOID lpBuffer,
DWORD nBufferSize)
{
LPWINEMRULIST mp = (LPWINEMRULIST) hList;
LPWINEMRUITEM witem;
INT desired, datasize;
if (nItemPos >= mp->cursize) return -1;
if ((nItemPos < 0) || !lpBuffer) return mp->cursize;
desired = mp->realMRU[nItemPos];
desired -= 'a';
TRACE("nItemPos=%d, desired=%d\n", nItemPos, desired);
witem = mp->array[desired];
datasize = min( witem->size, nBufferSize );
memcpy( lpBuffer, &witem->datastart, datasize);
TRACE("(%p, %d, %p, %ld): returning len=%d\n",
hList, nItemPos, lpBuffer, nBufferSize, datasize);
return datasize;
}
/**************************************************************************
* EnumMRUListA [COMCTL32.154]
*
* See EnumMRUListW.
*/
INT WINAPI EnumMRUListA(HANDLE hList, INT nItemPos, LPVOID lpBuffer,
DWORD nBufferSize)
{
LPWINEMRULIST mp = (LPWINEMRULIST) hList;
LPWINEMRUITEM witem;
INT desired, datasize;
DWORD lenA;
if (nItemPos >= mp->cursize) return -1;
if ((nItemPos < 0) || !lpBuffer) return mp->cursize;
desired = mp->realMRU[nItemPos];
desired -= 'a';
TRACE("nItemPos=%d, desired=%d\n", nItemPos, desired);
witem = mp->array[desired];
if(mp->extview.dwFlags & MRUF_BINARY_LIST) {
datasize = min( witem->size, nBufferSize );
memcpy( lpBuffer, &witem->datastart, datasize);
} else {
lenA = WideCharToMultiByte(CP_ACP, 0, (LPWSTR)&witem->datastart, -1,
NULL, 0, NULL, NULL);
datasize = min( witem->size, nBufferSize );
WideCharToMultiByte(CP_ACP, 0, (LPWSTR)&witem->datastart, -1,
lpBuffer, datasize, NULL, NULL);
}
TRACE("(%p, %d, %p, %ld): returning len=%d\n",
hList, nItemPos, lpBuffer, nBufferSize, datasize);
return datasize;
}
/**************************************************************************
* Str_GetPtrA [COMCTL32.233]
*
* Copies a string into a destination buffer.
*
* PARAMS
* lpSrc [I] Source string
* lpDest [O] Destination buffer
* nMaxLen [I] Size of buffer in characters
*
* RETURNS
* The number of characters copied.
*/
INT WINAPI
Str_GetPtrA (LPCSTR lpSrc, LPSTR lpDest, INT nMaxLen)
{
INT len;
TRACE("(%p %p %d)\n", lpSrc, lpDest, nMaxLen);
if (!lpDest && lpSrc)
return strlen (lpSrc);
if (nMaxLen == 0)
return 0;
if (lpSrc == NULL) {
lpDest[0] = '\0';
return 0;
}
len = strlen (lpSrc);
if (len >= nMaxLen)
len = nMaxLen - 1;
RtlMoveMemory (lpDest, lpSrc, len);
lpDest[len] = '\0';
return len;
}
/**************************************************************************
* Str_SetPtrA [COMCTL32.234]
*
* Makes a copy of a string, allocating memory if necessary.
*
* PARAMS
* lppDest [O] Pointer to destination string
* lpSrc [I] Source string
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*
* NOTES
* Set lpSrc to NULL to free the memory allocated by a previous call
* to this function.
*/
BOOL WINAPI
Str_SetPtrA (LPSTR *lppDest, LPCSTR lpSrc)
{
TRACE("(%p %p)\n", lppDest, lpSrc);
if (lpSrc) {
LPSTR ptr = ReAlloc (*lppDest, strlen (lpSrc) + 1);
if (!ptr)
return FALSE;
strcpy (ptr, lpSrc);
*lppDest = ptr;
}
else {
if (*lppDest) {
Free (*lppDest);
*lppDest = NULL;
}
}
return TRUE;
}
/**************************************************************************
* Str_GetPtrW [COMCTL32.235]
*
* See Str_GetPtrA.
*/
INT WINAPI
Str_GetPtrW (LPCWSTR lpSrc, LPWSTR lpDest, INT nMaxLen)
{
INT len;
TRACE("(%p %p %d)\n", lpSrc, lpDest, nMaxLen);
if (!lpDest && lpSrc)
return strlenW (lpSrc);
if (nMaxLen == 0)
return 0;
if (lpSrc == NULL) {
lpDest[0] = L'\0';
return 0;
}
len = strlenW (lpSrc);
if (len >= nMaxLen)
len = nMaxLen - 1;
RtlMoveMemory (lpDest, lpSrc, len*sizeof(WCHAR));
lpDest[len] = L'\0';
return len;
}
/**************************************************************************
* Str_SetPtrW [COMCTL32.236]
*
* See Str_SetPtrA.
*/
BOOL WINAPI
Str_SetPtrW (LPWSTR *lppDest, LPCWSTR lpSrc)
{
TRACE("(%p %p)\n", lppDest, lpSrc);
if (lpSrc) {
INT len = strlenW (lpSrc) + 1;
LPWSTR ptr = ReAlloc (*lppDest, len * sizeof(WCHAR));
if (!ptr)
return FALSE;
strcpyW (ptr, lpSrc);
*lppDest = ptr;
}
else {
if (*lppDest) {
Free (*lppDest);
*lppDest = NULL;
}
}
return TRUE;
}
/**************************************************************************
* Str_GetPtrWtoA [internal]
*
* Converts a unicode string into a multi byte string
*
* PARAMS
* lpSrc [I] Pointer to the unicode source string
* lpDest [O] Pointer to caller supplied storage for the multi byte string
* nMaxLen [I] Size, in bytes, of the destination buffer
*
* RETURNS
* Length, in bytes, of the converted string.
*/
INT
Str_GetPtrWtoA (LPCWSTR lpSrc, LPSTR lpDest, INT nMaxLen)
{
INT len;
TRACE("(%s %p %d)\n", debugstr_w(lpSrc), lpDest, nMaxLen);
if (!lpDest && lpSrc)
return WideCharToMultiByte(CP_ACP, 0, lpSrc, -1, 0, 0, NULL, NULL);
if (nMaxLen == 0)
return 0;
if (lpSrc == NULL) {
lpDest[0] = '\0';
return 0;
}
len = WideCharToMultiByte(CP_ACP, 0, lpSrc, -1, 0, 0, NULL, NULL);
if (len >= nMaxLen)
len = nMaxLen - 1;
WideCharToMultiByte(CP_ACP, 0, lpSrc, -1, lpDest, len, NULL, NULL);
lpDest[len] = '\0';
return len;
}
/**************************************************************************
* Str_SetPtrAtoW [internal]
*
* Converts a multi byte string to a unicode string.
* If the pointer to the destination buffer is NULL a buffer is allocated.
* If the destination buffer is too small to keep the converted multi byte
* string the destination buffer is reallocated. If the source pointer is
* NULL, the destination buffer is freed.
*
* PARAMS
* lppDest [I/O] pointer to a pointer to the destination buffer
* lpSrc [I] pointer to a multi byte string
*
* RETURNS
* TRUE: conversion successful
* FALSE: error
*/
BOOL
Str_SetPtrAtoW (LPWSTR *lppDest, LPCSTR lpSrc)
{
TRACE("(%p %s)\n", lppDest, lpSrc);
if (lpSrc) {
INT len = MultiByteToWideChar(CP_ACP,0,lpSrc,-1,NULL,0);
LPWSTR ptr = ReAlloc (*lppDest, len*sizeof(WCHAR));
if (!ptr)
return FALSE;
MultiByteToWideChar(CP_ACP,0,lpSrc,-1,ptr,len);
*lppDest = ptr;
}
else {
if (*lppDest) {
Free (*lppDest);
*lppDest = NULL;
}
}
return TRUE;
}
/**************************************************************************
* DSA_Create [COMCTL32.320]
*
* Creates a dynamic storage array
*
* PARAMS
* nSize [I] size of the array elements
* nGrow [I] number of elements by which the array grows when it is filled
*
* RETURNS
* Success: pointer to an array control structure. Use this like a handle.
* Failure: NULL
*
* NOTES
* The DSA_ functions can be used to create and manipulate arrays of
* fixed-size memory blocks. These arrays can store any kind of data
* (e.g. strings and icons).
*/
HDSA WINAPI
DSA_Create (INT nSize, INT nGrow)
{
HDSA hdsa;
TRACE("(size=%d grow=%d)\n", nSize, nGrow);
hdsa = Alloc (sizeof(*hdsa));
if (hdsa)
{
hdsa->nItemCount = 0;
hdsa->pData = NULL;
hdsa->nMaxCount = 0;
hdsa->nItemSize = nSize;
hdsa->nGrow = max(1, nGrow);
}
return hdsa;
}
/**************************************************************************
* DSA_Destroy [COMCTL32.321]
*
* Destroys a dynamic storage array
*
* PARAMS
* hdsa [I] pointer to the array control structure
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI
DSA_Destroy (const HDSA hdsa)
{
TRACE("(%p)\n", hdsa);
if (!hdsa)
return FALSE;
if (hdsa->pData && (!Free (hdsa->pData)))
return FALSE;
return Free (hdsa);
}
/**************************************************************************
* DSA_GetItem [COMCTL32.322]
*
* Copies the specified item into a caller-supplied buffer.
*
* PARAMS
* hdsa [I] pointer to the array control structure
* nIndex [I] number of the Item to get
* pDest [O] destination buffer. Has to be >= dwElementSize.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI
DSA_GetItem (const HDSA hdsa, INT nIndex, LPVOID pDest)
{
LPVOID pSrc;
TRACE("(%p %d %p)\n", hdsa, nIndex, pDest);
if (!hdsa)
return FALSE;
if ((nIndex < 0) || (nIndex >= hdsa->nItemCount))
return FALSE;
pSrc = (char *) hdsa->pData + (hdsa->nItemSize * nIndex);
memmove (pDest, pSrc, hdsa->nItemSize);
return TRUE;
}
/**************************************************************************
* DSA_GetItemPtr [COMCTL32.323]
*
* Retrieves a pointer to the specified item.
*
* PARAMS
* hdsa [I] pointer to the array control structure
* nIndex [I] index of the desired item
*
* RETURNS
* Success: pointer to an item
* Failure: NULL
*/
LPVOID WINAPI
DSA_GetItemPtr (const HDSA hdsa, INT nIndex)
{
LPVOID pSrc;
TRACE("(%p %d)\n", hdsa, nIndex);
if (!hdsa)
return NULL;
if ((nIndex < 0) || (nIndex >= hdsa->nItemCount))
return NULL;
pSrc = (char *) hdsa->pData + (hdsa->nItemSize * nIndex);
TRACE("-- ret=%p\n", pSrc);
return pSrc;
}
/**************************************************************************
* DSA_SetItem [COMCTL32.325]
*
* Sets the contents of an item in the array.
*
* PARAMS
* hdsa [I] pointer to the array control structure
* nIndex [I] index for the item
* pSrc [I] pointer to the new item data
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI
DSA_SetItem (const HDSA hdsa, INT nIndex, LPVOID pSrc)
{
INT nSize, nNewItems;
LPVOID pDest, lpTemp;
TRACE("(%p %d %p)\n", hdsa, nIndex, pSrc);
if ((!hdsa) || nIndex < 0)
return FALSE;
if (hdsa->nItemCount <= nIndex) {
/* within the old array */
if (hdsa->nMaxCount > nIndex) {
/* within the allocated space, set a new boundary */
hdsa->nItemCount = nIndex + 1;
}
else {
/* resize the block of memory */
nNewItems =
hdsa->nGrow * ((INT)(((nIndex + 1) - 1) / hdsa->nGrow) + 1);
nSize = hdsa->nItemSize * nNewItems;
lpTemp = ReAlloc (hdsa->pData, nSize);
if (!lpTemp)
return FALSE;
hdsa->nMaxCount = nNewItems;
hdsa->nItemCount = nIndex + 1;
hdsa->pData = lpTemp;
}
}
/* put the new entry in */
pDest = (char *) hdsa->pData + (hdsa->nItemSize * nIndex);
TRACE("-- move dest=%p src=%p size=%d\n",
pDest, pSrc, hdsa->nItemSize);
memmove (pDest, pSrc, hdsa->nItemSize);
return TRUE;
}
/**************************************************************************
* DSA_InsertItem [COMCTL32.324]
*
* Inserts an item into the array at the specified index.
*
* PARAMS
* hdsa [I] pointer to the array control structure
* nIndex [I] index for the new item
* pSrc [I] pointer to the element
*
* RETURNS
* Success: position of the new item
* Failure: -1
*/
INT WINAPI
DSA_InsertItem (const HDSA hdsa, INT nIndex, LPVOID pSrc)
{
INT nNewItems, nSize;
LPVOID lpTemp, lpDest;
TRACE("(%p %d %p)\n", hdsa, nIndex, pSrc);
if ((!hdsa) || nIndex < 0)
return -1;
/* when nIndex >= nItemCount then append */
if (nIndex >= hdsa->nItemCount)
nIndex = hdsa->nItemCount;
/* do we need to resize ? */
if (hdsa->nItemCount >= hdsa->nMaxCount) {
nNewItems = hdsa->nMaxCount + hdsa->nGrow;
nSize = hdsa->nItemSize * nNewItems;
lpTemp = ReAlloc (hdsa->pData, nSize);
if (!lpTemp)
return -1;
hdsa->nMaxCount = nNewItems;
hdsa->pData = lpTemp;
}
/* do we need to move elements ? */
if (nIndex < hdsa->nItemCount) {
lpTemp = (char *) hdsa->pData + (hdsa->nItemSize * nIndex);
lpDest = (char *) lpTemp + hdsa->nItemSize;
nSize = (hdsa->nItemCount - nIndex) * hdsa->nItemSize;
TRACE("-- move dest=%p src=%p size=%d\n",
lpDest, lpTemp, nSize);
memmove (lpDest, lpTemp, nSize);
}
/* ok, we can put the new Item in */
hdsa->nItemCount++;
lpDest = (char *) hdsa->pData + (hdsa->nItemSize * nIndex);
TRACE("-- move dest=%p src=%p size=%d\n",
lpDest, pSrc, hdsa->nItemSize);
memmove (lpDest, pSrc, hdsa->nItemSize);
return nIndex;
}
/**************************************************************************
* DSA_DeleteItem [COMCTL32.326]
*
* Deletes the specified item from the array.
*
* PARAMS
* hdsa [I] pointer to the array control structure
* nIndex [I] index for the element to delete
*
* RETURNS
* Success: number of the deleted element
* Failure: -1
*/
INT WINAPI
DSA_DeleteItem (const HDSA hdsa, INT nIndex)
{
LPVOID lpDest,lpSrc;
INT nSize;
TRACE("(%p %d)\n", hdsa, nIndex);
if (!hdsa)
return -1;
if (nIndex < 0 || nIndex >= hdsa->nItemCount)
return -1;
/* do we need to move ? */
if (nIndex < hdsa->nItemCount - 1) {
lpDest = (char *) hdsa->pData + (hdsa->nItemSize * nIndex);
lpSrc = (char *) lpDest + hdsa->nItemSize;
nSize = hdsa->nItemSize * (hdsa->nItemCount - nIndex - 1);
TRACE("-- move dest=%p src=%p size=%d\n",
lpDest, lpSrc, nSize);
memmove (lpDest, lpSrc, nSize);
}
hdsa->nItemCount--;
/* free memory ? */
if ((hdsa->nMaxCount - hdsa->nItemCount) >= hdsa->nGrow) {
nSize = hdsa->nItemSize * hdsa->nItemCount;
lpDest = ReAlloc (hdsa->pData, nSize);
if (!lpDest)
return -1;
hdsa->nMaxCount = hdsa->nItemCount;
hdsa->pData = lpDest;
}
return nIndex;
}
/**************************************************************************
* DSA_DeleteAllItems [COMCTL32.327]
*
* Removes all items and reinitializes the array.
*
* PARAMS
* hdsa [I] pointer to the array control structure
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI
DSA_DeleteAllItems (const HDSA hdsa)
{
TRACE("(%p)\n", hdsa);
if (!hdsa)
return FALSE;
if (hdsa->pData && (!Free (hdsa->pData)))
return FALSE;
hdsa->nItemCount = 0;
hdsa->pData = NULL;
hdsa->nMaxCount = 0;
return TRUE;
}
/**************************************************************************
* DPA_Destroy [COMCTL32.329]
*
* Destroys a dynamic pointer array
*
* PARAMS
* hdpa [I] handle (pointer) to the pointer array
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI
DPA_Destroy (const HDPA hdpa)
{
TRACE("(%p)\n", hdpa);
if (!hdpa)
return FALSE;
if (hdpa->ptrs && (!HeapFree (hdpa->hHeap, 0, hdpa->ptrs)))
return FALSE;
return HeapFree (hdpa->hHeap, 0, hdpa);
}
/**************************************************************************
* DPA_Grow [COMCTL32.330]
*
* Sets the growth amount.
*
* PARAMS
* hdpa [I] handle (pointer) to the existing (source) pointer array
* nGrow [I] number of items by which the array grows when it's too small
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI
DPA_Grow (const HDPA hdpa, INT nGrow)
{
TRACE("(%p %d)\n", hdpa, nGrow);
if (!hdpa)
return FALSE;
hdpa->nGrow = max(8, nGrow);
return TRUE;
}
/**************************************************************************
* DPA_Clone [COMCTL32.331]
*
* Copies a pointer array to an other one or creates a copy
*
* PARAMS
* hdpa [I] handle (pointer) to the existing (source) pointer array
* hdpaNew [O] handle (pointer) to the destination pointer array
*
* RETURNS
* Success: pointer to the destination pointer array.
* Failure: NULL
*
* NOTES
* - If the 'hdpaNew' is a NULL-Pointer, a copy of the source pointer
* array will be created and it's handle (pointer) is returned.
* - If 'hdpa' is a NULL-Pointer, the original implementation crashes,
* this implementation just returns NULL.
*/
HDPA WINAPI
DPA_Clone (const HDPA hdpa, const HDPA hdpaNew)
{
INT nNewItems, nSize;
HDPA hdpaTemp;
if (!hdpa)
return NULL;
TRACE("(%p %p)\n", hdpa, hdpaNew);
if (!hdpaNew) {
/* create a new DPA */
hdpaTemp = (HDPA)HeapAlloc (hdpa->hHeap, HEAP_ZERO_MEMORY,
sizeof(*hdpaTemp));
hdpaTemp->hHeap = hdpa->hHeap;
hdpaTemp->nGrow = hdpa->nGrow;
}
else
hdpaTemp = hdpaNew;
if (hdpaTemp->ptrs) {
/* remove old pointer array */
HeapFree (hdpaTemp->hHeap, 0, hdpaTemp->ptrs);
hdpaTemp->ptrs = NULL;
hdpaTemp->nItemCount = 0;
hdpaTemp->nMaxCount = 0;
}
/* create a new pointer array */
nNewItems = hdpaTemp->nGrow *
((INT)((hdpa->nItemCount - 1) / hdpaTemp->nGrow) + 1);
nSize = nNewItems * sizeof(LPVOID);
hdpaTemp->ptrs =
(LPVOID*)HeapAlloc (hdpaTemp->hHeap, HEAP_ZERO_MEMORY, nSize);
hdpaTemp->nMaxCount = nNewItems;
/* clone the pointer array */
hdpaTemp->nItemCount = hdpa->nItemCount;
memmove (hdpaTemp->ptrs, hdpa->ptrs,
hdpaTemp->nItemCount * sizeof(LPVOID));
return hdpaTemp;
}
/**************************************************************************
* DPA_GetPtr [COMCTL32.332]
*
* Retrieves a pointer from a dynamic pointer array
*
* PARAMS
* hdpa [I] handle (pointer) to the pointer array
* nIndex [I] array index of the desired pointer
*
* RETURNS
* Success: pointer
* Failure: NULL
*/
LPVOID WINAPI
DPA_GetPtr (const HDPA hdpa, INT nIndex)
{
TRACE("(%p %d)\n", hdpa, nIndex);
if (!hdpa)
return NULL;
if (!hdpa->ptrs) {
WARN("no pointer array.\n");
return NULL;
}
if ((nIndex < 0) || (nIndex >= hdpa->nItemCount)) {
WARN("not enough pointers in array (%d vs %d).\n",nIndex,hdpa->nItemCount);
return NULL;
}
TRACE("-- %p\n", hdpa->ptrs[nIndex]);
return hdpa->ptrs[nIndex];
}
/**************************************************************************
* DPA_GetPtrIndex [COMCTL32.333]
*
* Retrieves the index of the specified pointer
*
* PARAMS
* hdpa [I] handle (pointer) to the pointer array
* p [I] pointer
*
* RETURNS
* Success: index of the specified pointer
* Failure: -1
*/
INT WINAPI
DPA_GetPtrIndex (const HDPA hdpa, LPVOID p)
{
INT i;
if (!hdpa || !hdpa->ptrs)
return -1;
for (i = 0; i < hdpa->nItemCount; i++) {
if (hdpa->ptrs[i] == p)
return i;
}
return -1;
}
/**************************************************************************
* DPA_InsertPtr [COMCTL32.334]
*
* Inserts a pointer into a dynamic pointer array
*
* PARAMS
* hdpa [I] handle (pointer) to the array
* i [I] array index
* p [I] pointer to insert
*
* RETURNS
* Success: index of the inserted pointer
* Failure: -1
*/
INT WINAPI
DPA_InsertPtr (const HDPA hdpa, INT i, LPVOID p)
{
TRACE("(%p %d %p)\n", hdpa, i, p);
if (!hdpa || i < 0) return -1;
if (i >= 0x7fff)
i = hdpa->nItemCount;
if (i >= hdpa->nItemCount)
return DPA_SetPtr(hdpa, i, p) ? i : -1;
/* create empty spot at the end */
if (!DPA_SetPtr(hdpa, hdpa->nItemCount, 0)) return -1;
memmove (hdpa->ptrs + i + 1, hdpa->ptrs + i, (hdpa->nItemCount - i - 1) * sizeof(LPVOID));
hdpa->ptrs[i] = p;
return i;
}
/**************************************************************************
* DPA_SetPtr [COMCTL32.335]
*
* Sets a pointer in the pointer array
*
* PARAMS
* hdpa [I] handle (pointer) to the pointer array
* i [I] index of the pointer that will be set
* p [I] pointer to be set
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI
DPA_SetPtr (const HDPA hdpa, INT i, LPVOID p)
{
LPVOID *lpTemp;
TRACE("(%p %d %p)\n", hdpa, i, p);
if (!hdpa || i < 0 || i > 0x7fff)
return FALSE;
if (hdpa->nItemCount <= i) {
/* within the old array */
if (hdpa->nMaxCount <= i) {
/* resize the block of memory */
INT nNewItems =
hdpa->nGrow * ((INT)(((i+1) - 1) / hdpa->nGrow) + 1);
INT nSize = nNewItems * sizeof(LPVOID);
if (hdpa->ptrs)
lpTemp = (LPVOID*)HeapReAlloc (hdpa->hHeap, HEAP_ZERO_MEMORY, hdpa->ptrs, nSize);
else
lpTemp = (LPVOID*)HeapAlloc (hdpa->hHeap, HEAP_ZERO_MEMORY, nSize);
if (!lpTemp)
return FALSE;
hdpa->nMaxCount = nNewItems;
hdpa->ptrs = lpTemp;
}
hdpa->nItemCount = i+1;
}
/* put the new entry in */
hdpa->ptrs[i] = p;
return TRUE;
}
/**************************************************************************
* DPA_DeletePtr [COMCTL32.336]
*
* Removes a pointer from the pointer array.
*
* PARAMS
* hdpa [I] handle (pointer) to the pointer array
* i [I] index of the pointer that will be deleted
*
* RETURNS
* Success: deleted pointer
* Failure: NULL
*/
LPVOID WINAPI
DPA_DeletePtr (const HDPA hdpa, INT i)
{
LPVOID *lpDest, *lpSrc, lpTemp = NULL;
INT nSize;
TRACE("(%p %d)\n", hdpa, i);
if ((!hdpa) || i < 0 || i >= hdpa->nItemCount)
return NULL;
lpTemp = hdpa->ptrs[i];
/* do we need to move ?*/
if (i < hdpa->nItemCount - 1) {
lpDest = hdpa->ptrs + i;
lpSrc = lpDest + 1;
nSize = (hdpa->nItemCount - i - 1) * sizeof(LPVOID);
TRACE("-- move dest=%p src=%p size=%x\n",
lpDest, lpSrc, nSize);
memmove (lpDest, lpSrc, nSize);
}
hdpa->nItemCount --;
/* free memory ?*/
if ((hdpa->nMaxCount - hdpa->nItemCount) >= hdpa->nGrow) {
INT nNewItems = max(hdpa->nGrow * 2, hdpa->nItemCount);
nSize = nNewItems * sizeof(LPVOID);
lpDest = (LPVOID)HeapReAlloc (hdpa->hHeap, HEAP_ZERO_MEMORY,
hdpa->ptrs, nSize);
if (!lpDest)
return NULL;
hdpa->nMaxCount = nNewItems;
hdpa->ptrs = (LPVOID*)lpDest;
}
return lpTemp;
}
/**************************************************************************
* DPA_DeleteAllPtrs [COMCTL32.337]
*
* Removes all pointers and reinitializes the array.
*
* PARAMS
* hdpa [I] handle (pointer) to the pointer array
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI
DPA_DeleteAllPtrs (const HDPA hdpa)
{
TRACE("(%p)\n", hdpa);
if (!hdpa)
return FALSE;
if (hdpa->ptrs && (!HeapFree (hdpa->hHeap, 0, hdpa->ptrs)))
return FALSE;
hdpa->nItemCount = 0;
hdpa->nMaxCount = hdpa->nGrow * 2;
hdpa->ptrs = (LPVOID*)HeapAlloc (hdpa->hHeap, HEAP_ZERO_MEMORY,
hdpa->nMaxCount * sizeof(LPVOID));
return TRUE;
}
/**************************************************************************
* DPA_QuickSort [Internal]
*
* Ordinary quicksort (used by DPA_Sort).
*
* PARAMS
* lpPtrs [I] pointer to the pointer array
* l [I] index of the "left border" of the partition
* r [I] index of the "right border" of the partition
* pfnCompare [I] pointer to the compare function
* lParam [I] user defined value (3rd parameter in compare function)
*
* RETURNS
* NONE
*/
static VOID
DPA_QuickSort (LPVOID *lpPtrs, INT l, INT r,
PFNDPACOMPARE pfnCompare, LPARAM lParam)
{
INT m;
LPVOID t;
TRACE("l=%i r=%i\n", l, r);
if (l==r) /* one element is always sorted */
return;
if (r<l) /* oops, got it in the wrong order */
{
DPA_QuickSort(lpPtrs, r, l, pfnCompare, lParam);
return;
}
m = (l+r)/2; /* divide by two */
DPA_QuickSort(lpPtrs, l, m, pfnCompare, lParam);
DPA_QuickSort(lpPtrs, m+1, r, pfnCompare, lParam);
/* join the two sides */
while( (l<=m) && (m<r) )
{
if(pfnCompare(lpPtrs[l],lpPtrs[m+1],lParam)>0)
{
t = lpPtrs[m+1];
memmove(&lpPtrs[l+1],&lpPtrs[l],(m-l+1)*sizeof(lpPtrs[l]));
lpPtrs[l] = t;
m++;
}
l++;
}
}
/**************************************************************************
* DPA_Sort [COMCTL32.338]
*
* Sorts a pointer array using a user defined compare function
*
* PARAMS
* hdpa [I] handle (pointer) to the pointer array
* pfnCompare [I] pointer to the compare function
* lParam [I] user defined value (3rd parameter of compare function)
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI
DPA_Sort (const HDPA hdpa, PFNDPACOMPARE pfnCompare, LPARAM lParam)
{
if (!hdpa || !pfnCompare)
return FALSE;
TRACE("(%p %p 0x%lx)\n", hdpa, pfnCompare, lParam);
if ((hdpa->nItemCount > 1) && (hdpa->ptrs))
DPA_QuickSort (hdpa->ptrs, 0, hdpa->nItemCount - 1,
pfnCompare, lParam);
return TRUE;
}
/**************************************************************************
* DPA_Search [COMCTL32.339]
*
* Searches a pointer array for a specified pointer
*
* PARAMS
* hdpa [I] handle (pointer) to the pointer array
* pFind [I] pointer to search for
* nStart [I] start index
* pfnCompare [I] pointer to the compare function
* lParam [I] user defined value (3rd parameter of compare function)
* uOptions [I] search options
*
* RETURNS
* Success: index of the pointer in the array.
* Failure: -1
*
* NOTES
* Binary search taken from R.Sedgewick "Algorithms in C"!
* Function is NOT tested!
* If something goes wrong, blame HIM not ME! (Eric Kohl)
*/
INT WINAPI
DPA_Search (const HDPA hdpa, LPVOID pFind, INT nStart,
PFNDPACOMPARE pfnCompare, LPARAM lParam, UINT uOptions)
{
if (!hdpa || !pfnCompare || !pFind)
return -1;
TRACE("(%p %p %d %p 0x%08lx 0x%08x)\n",
hdpa, pFind, nStart, pfnCompare, lParam, uOptions);
if (uOptions & DPAS_SORTED) {
/* array is sorted --> use binary search */
INT l, r, x, n;
LPVOID *lpPtr;
TRACE("binary search\n");
l = (nStart == -1) ? 0 : nStart;
r = hdpa->nItemCount - 1;
lpPtr = hdpa->ptrs;
while (r >= l) {
x = (l + r) / 2;
n = (pfnCompare)(pFind, lpPtr[x], lParam);
if (n < 0)
r = x - 1;
else
l = x + 1;
if (n == 0) {
TRACE("-- ret=%d\n", n);
return n;
}
}
if (uOptions & DPAS_INSERTBEFORE) {
if (r == -1) r = 0;
TRACE("-- ret=%d\n", r);
return r;
}
if (uOptions & DPAS_INSERTAFTER) {
TRACE("-- ret=%d\n", l);
return l;
}
}
else {
/* array is not sorted --> use linear search */
LPVOID *lpPtr;
INT nIndex;
TRACE("linear search\n");
nIndex = (nStart == -1)? 0 : nStart;
lpPtr = hdpa->ptrs;
for (; nIndex < hdpa->nItemCount; nIndex++) {
if ((pfnCompare)(pFind, lpPtr[nIndex], lParam) == 0) {
TRACE("-- ret=%d\n", nIndex);
return nIndex;
}
}
}
TRACE("-- not found: ret=-1\n");
return -1;
}
/**************************************************************************
* DPA_CreateEx [COMCTL32.340]
*
* Creates a dynamic pointer array using the specified size and heap.
*
* PARAMS
* nGrow [I] number of items by which the array grows when it is filled
* hHeap [I] handle to the heap where the array is stored
*
* RETURNS
* Success: handle (pointer) to the pointer array.
* Failure: NULL
*
* NOTES
* The DPA_ functions can be used to create and manipulate arrays of
* pointers.
*/
HDPA WINAPI
DPA_CreateEx (INT nGrow, HANDLE hHeap)
{
HDPA hdpa;
TRACE("(%d %p)\n", nGrow, hHeap);
if (hHeap)
hdpa = (HDPA)HeapAlloc (hHeap, HEAP_ZERO_MEMORY, sizeof(*hdpa));
else
hdpa = Alloc (sizeof(*hdpa));
if (hdpa) {
hdpa->nGrow = max(8, nGrow);
hdpa->hHeap = hHeap ? hHeap : GetProcessHeap();
hdpa->nMaxCount = hdpa->nGrow * 2;
hdpa->ptrs = HeapAlloc (hdpa->hHeap, HEAP_ZERO_MEMORY,
hdpa->nMaxCount * sizeof(LPVOID));
}
TRACE("-- %p\n", hdpa);
return hdpa;
}
/**************************************************************************
* DPA_Create [COMCTL32.328]
*
* Creates a dynamic pointer array.
*
* PARAMS
* nGrow [I] number of items by which the array grows when it is filled
*
* RETURNS
* Success: handle (pointer) to the pointer array.
* Failure: NULL
*
* NOTES
* The DPA_ functions can be used to create and manipulate arrays of
* pointers.
*/
HDPA WINAPI
DPA_Create (INT nGrow)
{
return DPA_CreateEx( nGrow, 0 );
}
/**************************************************************************
* Notification functions
*/
typedef struct tagNOTIFYDATA
{
HWND hwndFrom;
HWND hwndTo;
DWORD dwParam3;
DWORD dwParam4;
DWORD dwParam5;
DWORD dwParam6;
} NOTIFYDATA, *LPNOTIFYDATA;
/**************************************************************************
* DoNotify [Internal]
*/
static LRESULT
DoNotify (LPNOTIFYDATA lpNotify, UINT uCode, LPNMHDR lpHdr)
{
NMHDR nmhdr;
LPNMHDR lpNmh = NULL;
UINT idFrom = 0;
TRACE("(%p %p %d %p 0x%08lx)\n",
lpNotify->hwndFrom, lpNotify->hwndTo, uCode, lpHdr,
lpNotify->dwParam5);
if (!lpNotify->hwndTo)
return 0;
if (lpNotify->hwndFrom == (HWND)-1) {
lpNmh = lpHdr;
idFrom = lpHdr->idFrom;
}
else {
if (lpNotify->hwndFrom)
idFrom = GetDlgCtrlID (lpNotify->hwndFrom);
lpNmh = (lpHdr) ? lpHdr : &nmhdr;
lpNmh->hwndFrom = lpNotify->hwndFrom;
lpNmh->idFrom = idFrom;
lpNmh->code = uCode;
}
return SendMessageA (lpNotify->hwndTo, WM_NOTIFY, idFrom, (LPARAM)lpNmh);
}
/**************************************************************************
* SendNotify [COMCTL32.341]
*
* Sends a WM_NOTIFY message to the specified window.
*
* PARAMS
* hwndTo [I] Window to receive the message
* hwndFrom [I] Window that the message is from (see notes)
* uCode [I] Notification code
* lpHdr [I] The NMHDR and any additional information to send or NULL
*
* RETURNS
* Success: return value from notification
* Failure: 0
*
* NOTES
* If hwndFrom is -1 then the identifier of the control sending the
* message is taken from the NMHDR structure.
* If hwndFrom is not -1 then lpHdr can be NULL.
*/
LRESULT WINAPI SendNotify (HWND hwndTo, HWND hwndFrom, UINT uCode, LPNMHDR lpHdr)
{
NOTIFYDATA notify;
TRACE("(%p %p %d %p)\n",
hwndTo, hwndFrom, uCode, lpHdr);
notify.hwndFrom = hwndFrom;
notify.hwndTo = hwndTo;
notify.dwParam5 = 0;
notify.dwParam6 = 0;
return DoNotify (&notify, uCode, lpHdr);
}
/**************************************************************************
* SendNotifyEx [COMCTL32.342]
*
* Sends a WM_NOTIFY message to the specified window.
*
* PARAMS
* hwndFrom [I] Window to receive the message
* hwndTo [I] Window that the message is from
* uCode [I] Notification code
* lpHdr [I] The NMHDR and any additional information to send or NULL
* dwParam5 [I] Unknown
*
* RETURNS
* Success: return value from notification
* Failure: 0
*
* NOTES
* If hwndFrom is -1 then the identifier of the control sending the
* message is taken from the NMHDR structure.
* If hwndFrom is not -1 then lpHdr can be NULL.
*/
LRESULT WINAPI SendNotifyEx (HWND hwndTo, HWND hwndFrom, UINT uCode,
LPNMHDR lpHdr, DWORD dwParam5)
{
NOTIFYDATA notify;
HWND hwndNotify;
TRACE("(%p %p %d %p 0x%08lx)\n",
hwndFrom, hwndTo, uCode, lpHdr, dwParam5);
hwndNotify = hwndTo;
if (!hwndTo) {
if (IsWindow (hwndFrom)) {
hwndNotify = GetParent (hwndFrom);
if (!hwndNotify)
return 0;
}
}
notify.hwndFrom = hwndFrom;
notify.hwndTo = hwndNotify;
notify.dwParam5 = dwParam5;
notify.dwParam6 = 0;
return DoNotify (&notify, uCode, lpHdr);
}
/**************************************************************************
* DPA_EnumCallback [COMCTL32.385]
*
* Enumerates all items in a dynamic pointer array.
*
* PARAMS
* hdpa [I] handle to the dynamic pointer array
* enumProc [I]
* lParam [I]
*
* RETURNS
* none
*/
VOID WINAPI
DPA_EnumCallback (HDPA hdpa, PFNDPAENUMCALLBACK enumProc, LPVOID lParam)
{
INT i;
TRACE("(%p %p %p)\n", hdpa, enumProc, lParam);
if (!hdpa)
return;
if (hdpa->nItemCount <= 0)
return;
for (i = 0; i < hdpa->nItemCount; i++) {
if ((enumProc)(hdpa->ptrs[i], lParam) == 0)
return;
}
return;
}
/**************************************************************************
* DPA_DestroyCallback [COMCTL32.386]
*
* Enumerates all items in a dynamic pointer array and destroys it.
*
* PARAMS
* hdpa [I] handle to the dynamic pointer array
* enumProc [I]
* lParam [I]
*
* RETURNS
* none
*/
void WINAPI
DPA_DestroyCallback (HDPA hdpa, PFNDPAENUMCALLBACK enumProc, LPVOID lParam)
{
TRACE("(%p %p %p)\n", hdpa, enumProc, lParam);
DPA_EnumCallback (hdpa, enumProc, lParam);
DPA_Destroy (hdpa);
}
/**************************************************************************
* DSA_EnumCallback [COMCTL32.387]
*
* Enumerates all items in a dynamic storage array.
*
* PARAMS
* hdsa [I] handle to the dynamic storage array
* enumProc [I]
* lParam [I]
*
* RETURNS
* none
*/
VOID WINAPI
DSA_EnumCallback (HDSA hdsa, PFNDSAENUMCALLBACK enumProc, LPVOID lParam)
{
INT i;
TRACE("(%p %p %p)\n", hdsa, enumProc, lParam);
if (!hdsa)
return;
if (hdsa->nItemCount <= 0)
return;
for (i = 0; i < hdsa->nItemCount; i++) {
LPVOID lpItem = DSA_GetItemPtr (hdsa, i);
if ((enumProc)(lpItem, lParam) == 0)
return;
}
return;
}
/**************************************************************************
* DSA_DestroyCallback [COMCTL32.388]
*
* Enumerates all items in a dynamic storage array and destroys it.
*
* PARAMS
* hdsa [I] handle to the dynamic storage array
* enumProc [I]
* lParam [I]
*
* RETURNS
* none
*/
void WINAPI
DSA_DestroyCallback (HDSA hdsa, PFNDSAENUMCALLBACK enumProc, LPVOID lParam)
{
TRACE("(%p %p %p)\n", hdsa, enumProc, lParam);
DSA_EnumCallback (hdsa, enumProc, lParam);
DSA_Destroy (hdsa);
}
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