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user32: Use client-side user handles for DeferWindowPos.

This commit is contained in:
Alexandre Julliard 2009-10-12 15:31:22 +02:00
parent d996f7e334
commit da3c4c995a
1 changed files with 34 additions and 27 deletions
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61
dlls/user32/winpos.c
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@ -68,17 +68,13 @@ WINE_DEFAULT_DEBUG_CHANNEL(win);
#define PLACE_MAX 0x0002
#define PLACE_RECT 0x0004
#define DWP_MAGIC ((INT)('W' | ('P' << 8) | ('O' << 16) | ('S' << 24)))
typedef struct
{
struct user_object obj;
INT actualCount;
INT suggestedCount;
BOOL valid;
INT wMagic;
HWND hwndParent;
WINDOWPOS winPos[1];
WINDOWPOS *winPos;
} DWP;
@ -2073,7 +2069,7 @@ BOOL WINAPI SetWindowPos( HWND hwnd, HWND hwndInsertAfter,
*/
HDWP WINAPI BeginDeferWindowPos( INT count )
{
HDWP handle;
HDWP handle = 0;
DWP *pDWP;
TRACE("%d\n", count);
@ -2086,15 +2082,19 @@ HDWP WINAPI BeginDeferWindowPos( INT count )
/* Windows allows zero count, in which case it allocates context for 8 moves */
if (count == 0) count = 8;
handle = USER_HEAP_ALLOC( sizeof(DWP) + (count-1)*sizeof(WINDOWPOS) );
if (!handle) return 0;
pDWP = USER_HEAP_LIN_ADDR( handle );
if (!(pDWP = HeapAlloc( GetProcessHeap(), 0, sizeof(DWP)))) return 0;
pDWP->actualCount = 0;
pDWP->suggestedCount = count;
pDWP->valid = TRUE;
pDWP->wMagic = DWP_MAGIC;
pDWP->hwndParent = 0;
if (!(pDWP->winPos = HeapAlloc( GetProcessHeap(), 0, count * sizeof(WINDOWPOS) )) ||
!(handle = alloc_user_handle( &pDWP->obj, USER_DWP )))
{
HeapFree( GetProcessHeap(), 0, pDWP->winPos );
HeapFree( GetProcessHeap(), 0, pDWP );
}
TRACE("returning hdwp %p\n", handle);
return handle;
}
@ -2109,7 +2109,7 @@ HDWP WINAPI DeferWindowPos( HDWP hdwp, HWND hwnd, HWND hwndAfter,
{
DWP *pDWP;
int i;
HDWP newhdwp = hdwp,retvalue;
HDWP retvalue = hdwp;
TRACE("hdwp %p, hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
hdwp, hwnd, hwndAfter, x, y, cx, cy, flags);
@ -2117,9 +2117,12 @@ HDWP WINAPI DeferWindowPos( HDWP hdwp, HWND hwnd, HWND hwndAfter,
hwnd = WIN_GetFullHandle( hwnd );
if (is_desktop_window( hwnd )) return 0;
if (!(pDWP = USER_HEAP_LIN_ADDR( hdwp ))) return 0;
USER_Lock();
if (!(pDWP = get_user_handle_ptr( hdwp, USER_DWP ))) return 0;
if (pDWP == OBJ_OTHER_PROCESS)
{
FIXME( "other process handle %p?\n", hdwp );
return 0;
}
for (i = 0; i < pDWP->actualCount; i++)
{
@ -2146,21 +2149,20 @@ HDWP WINAPI DeferWindowPos( HDWP hdwp, HWND hwnd, HWND hwndAfter,
SWP_NOOWNERZORDER);
pDWP->winPos[i].flags |= flags & (SWP_SHOWWINDOW | SWP_HIDEWINDOW |
SWP_FRAMECHANGED);
retvalue = hdwp;
goto END;
}
}
if (pDWP->actualCount >= pDWP->suggestedCount)
{
newhdwp = USER_HEAP_REALLOC( hdwp,
sizeof(DWP) + pDWP->suggestedCount*sizeof(WINDOWPOS) );
if (!newhdwp)
WINDOWPOS *newpos = HeapReAlloc( GetProcessHeap(), 0, pDWP->winPos,
pDWP->suggestedCount * 2 * sizeof(WINDOWPOS) );
if (!newpos)
{
retvalue = 0;
goto END;
}
pDWP = USER_HEAP_LIN_ADDR( newhdwp );
pDWP->suggestedCount++;
pDWP->suggestedCount *= 2;
pDWP->winPos = newpos;
}
pDWP->winPos[pDWP->actualCount].hwnd = hwnd;
pDWP->winPos[pDWP->actualCount].hwndInsertAfter = hwndAfter;
@ -2170,9 +2172,8 @@ HDWP WINAPI DeferWindowPos( HDWP hdwp, HWND hwnd, HWND hwndAfter,
pDWP->winPos[pDWP->actualCount].cy = cy;
pDWP->winPos[pDWP->actualCount].flags = flags;
pDWP->actualCount++;
retvalue = newhdwp;
END:
USER_Unlock();
release_user_handle_ptr( pDWP );
return retvalue;
}
@ -2189,8 +2190,13 @@ BOOL WINAPI EndDeferWindowPos( HDWP hdwp )
TRACE("%p\n", hdwp);
pDWP = USER_HEAP_LIN_ADDR( hdwp );
if (!pDWP) return FALSE;
if (!(pDWP = free_user_handle( hdwp, USER_DWP ))) return FALSE;
if (pDWP == OBJ_OTHER_PROCESS)
{
FIXME( "other process handle %p?\n", hdwp );
return FALSE;
}
for (i = 0, winpos = pDWP->winPos; res && i < pDWP->actualCount; i++, winpos++)
{
TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
@ -2202,7 +2208,8 @@ BOOL WINAPI EndDeferWindowPos( HDWP hdwp )
else
res = SendMessageW( winpos->hwnd, WM_WINE_SETWINDOWPOS, 0, (LPARAM)winpos );
}
USER_HEAP_FREE( hdwp );
HeapFree( GetProcessHeap(), 0, pDWP->winPos );
HeapFree( GetProcessHeap(), 0, pDWP );
return res;
}