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- make sure that we really use the correct amount of parameters each 

time for the callback function
- always pass strings instead of atoms to Win32 enum proc
- fix trace crash due to string format displaying of atom (LOWORD
  only) handle
This commit is contained in:
Andreas Mohr 2001-04-20 18:35:25 +00:00 committed by Alexandre Julliard
parent efb6460e79
commit e8db6cbcb2
1 changed files with 95 additions and 44 deletions
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139
windows/property.c
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@ -287,8 +287,11 @@ INT16 WINAPI EnumProps16( HWND16 hwnd, PROPENUMPROC16 func )
/* function removes the current property. */
next = prop->next;
TRACE(" Callback: handle=%08x str='%s'\n",
prop->handle, prop->string );
/* SDK docu seems to suggest that EnumProps16 does not retrieve
* the string in case of an atom handle, in contrast to Win32 */
TRACE(" Callback: handle=%08x str=%s\n",
prop->handle, debugstr_a(prop->string) );
ret = func( hwnd, SEGPTR_GET(prop->string), prop->handle );
if (!ret) break;
}
@ -297,21 +300,58 @@ INT16 WINAPI EnumProps16( HWND16 hwnd, PROPENUMPROC16 func )
}
#define MAX_ATOM_LEN 255
static INT PROPS_EnumPropsA( HWND hwnd, PROPENUMPROCA func, LPARAM lParam, BOOL ex )
{
PROPERTY *prop, *next;
WND *pWnd;
INT ret = -1;
char atomStr[MAX_ATOM_LEN+1];
char *pStr;
TRACE("%04x %08x %08lx%s\n",
hwnd, (UINT)func, lParam, ex ? " [Ex]" : "" );
if (!(pWnd = WIN_FindWndPtr( hwnd ))) return -1;
for (prop = pWnd->pProp; (prop); prop = next)
{
/* Already get the next in case the callback */
/* function removes the current property. */
next = prop->next;
if (!HIWORD(prop->string))
{ /* get "real" string the atom points to.
* This seems to be done for Win32 only */
if (!(GlobalGetAtomNameA((ATOM)LOWORD(prop->string), atomStr, MAX_ATOM_LEN+1)))
{
ERR("huh ? Atom %04x not an atom ??\n",
(ATOM)LOWORD(prop->string));
atomStr[0] = '\0';
}
pStr = atomStr;
}
else
pStr = prop->string;
TRACE(" Callback: handle=%08x str='%s'\n",
prop->handle, prop->string );
if (ex) /* EnumPropsEx has an additional lParam !! */
ret = func( hwnd, pStr, prop->handle, lParam );
else
ret = func( hwnd, pStr, prop->handle );
if (!ret) break;
}
WIN_ReleaseWndPtr(pWnd);
return ret;
}
/***********************************************************************
* EnumPropsA (USER32.@)
*/
INT WINAPI EnumPropsA( HWND hwnd, PROPENUMPROCA func )
{
return EnumPropsExA( hwnd, (PROPENUMPROCEXA)func, 0 );
}
/***********************************************************************
* EnumPropsW (USER32.@)
*/
INT WINAPI EnumPropsW( HWND hwnd, PROPENUMPROCW func )
{
return EnumPropsExW( hwnd, (PROPENUMPROCEXW)func, 0 );
return PROPS_EnumPropsA(hwnd, func, 0, FALSE);
}
@ -319,13 +359,22 @@ INT WINAPI EnumPropsW( HWND hwnd, PROPENUMPROCW func )
* EnumPropsExA (USER32.@)
*/
INT WINAPI EnumPropsExA(HWND hwnd, PROPENUMPROCEXA func, LPARAM lParam)
{
return PROPS_EnumPropsA(hwnd, (PROPENUMPROCA)func, lParam, TRUE);
}
static INT PROPS_EnumPropsW( HWND hwnd, PROPENUMPROCW func, LPARAM lParam, BOOL ex )
{
PROPERTY *prop, *next;
WND *pWnd;
INT ret = -1;
char atomStr[MAX_ATOM_LEN+1];
char *pStr;
LPWSTR strW;
TRACE("%04x %08x %08lx\n",
hwnd, (UINT)func, lParam );
TRACE("%04x %08x %08lx%s\n",
hwnd, (UINT)func, lParam, ex ? " [Ex]" : "" );
if (!(pWnd = WIN_FindWndPtr( hwnd ))) return -1;
for (prop = pWnd->pProp; (prop); prop = next)
{
@ -333,9 +382,30 @@ INT WINAPI EnumPropsExA(HWND hwnd, PROPENUMPROCEXA func, LPARAM lParam)
/* function removes the current property. */
next = prop->next;
if (!HIWORD(prop->string))
{ /* get "real" string the atom points to.
* This seems to be done for Win32 only */
if (!(GlobalGetAtomNameA((ATOM)LOWORD(prop->string), atomStr, MAX_ATOM_LEN+1)))
{
ERR("huh ? Atom %04x not an atom ??\n",
(ATOM)LOWORD(prop->string));
atomStr[0] = '\0';
}
pStr = atomStr;
}
else
pStr = prop->string;
TRACE(" Callback: handle=%08x str='%s'\n",
prop->handle, prop->string );
ret = func( hwnd, prop->string, prop->handle, lParam );
prop->handle, prop->string );
strW = HEAP_strdupAtoW( GetProcessHeap(), 0, pStr );
if (ex) /* EnumPropsEx has an additional lParam !! */
ret = func( hwnd, strW, prop->handle, lParam );
else
ret = func( hwnd, strW, prop->handle );
HeapFree( GetProcessHeap(), 0, strW );
if (!ret) break;
}
WIN_ReleaseWndPtr(pWnd);
@ -343,37 +413,18 @@ INT WINAPI EnumPropsExA(HWND hwnd, PROPENUMPROCEXA func, LPARAM lParam)
}
/***********************************************************************
* EnumPropsW (USER32.@)
*/
INT WINAPI EnumPropsW( HWND hwnd, PROPENUMPROCW func )
{
return PROPS_EnumPropsW(hwnd, func, 0, FALSE);
}
/***********************************************************************
* EnumPropsExW (USER32.@)
*/
INT WINAPI EnumPropsExW(HWND hwnd, PROPENUMPROCEXW func, LPARAM lParam)
{
PROPERTY *prop, *next;
WND *pWnd;
INT ret = -1;
TRACE("%04x %08x %08lx\n",
hwnd, (UINT)func, lParam );
if (!(pWnd = WIN_FindWndPtr( hwnd ))) return -1;
for (prop = pWnd->pProp; (prop); prop = next)
{
/* Already get the next in case the callback */
/* function removes the current property. */
next = prop->next;
TRACE(" Callback: handle=%08x str='%s'\n",
prop->handle, prop->string );
if (HIWORD(prop->string))
{
LPWSTR str = HEAP_strdupAtoW( GetProcessHeap(), 0, prop->string );
ret = func( hwnd, str, prop->handle, lParam );
HeapFree( GetProcessHeap(), 0, str );
}
else
ret = func( hwnd, (LPCWSTR)(UINT)LOWORD( prop->string ),
prop->handle, lParam );
if (!ret) break;
}
WIN_ReleaseWndPtr(pWnd);
return ret;
return PROPS_EnumPropsW(hwnd, (PROPENUMPROCW)func, 0, TRUE);
}