dlls/user32/winpos.c

   1 /*
   2  * Window position related functions.
   3  *
   4  * Copyright 1993, 1994, 1995 Alexandre Julliard
   5  *                       1995, 1996, 1999 Alex Korobka
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include "config.h"
  23 #include "wine/port.h"
  24
  25 #include <stdarg.h>
  26 #include <string.h>
  27 #include "ntstatus.h"
  28 #define WIN32_NO_STATUS
  29 #include "winerror.h"
  30 #include "windef.h"
  31 #include "winbase.h"
  32 #include "wingdi.h"
  33 #include "winerror.h"
  34 #include "wine/winuser16.h"
  35 #include "wine/server.h"
  36 #include "controls.h"
  37 #include "user_private.h"
  38 #include "win.h"
  39 #include "wine/debug.h"
  40
  41 WINE_DEFAULT_DEBUG_CHANNEL(win);
  42
  43 #define SWP_AGG_NOGEOMETRYCHANGE \
  44     (SWP_NOSIZE | SWP_NOCLIENTSIZE | SWP_NOZORDER)
  45 #define SWP_AGG_NOPOSCHANGE \
  46     (SWP_NOSIZE | SWP_NOMOVE | SWP_NOCLIENTSIZE | SWP_NOCLIENTMOVE | SWP_NOZORDER)
  47 #define SWP_AGG_STATUSFLAGS \
  48     (SWP_AGG_NOPOSCHANGE | SWP_FRAMECHANGED | SWP_HIDEWINDOW | SWP_SHOWWINDOW)
  49
  50 #define HAS_DLGFRAME(style,exStyle) \
  51     (((exStyle) & WS_EX_DLGMODALFRAME) || \
  52      (((style) & WS_DLGFRAME) && !((style) & WS_BORDER)))
  53
  54 #define HAS_THICKFRAME(style) \
  55     (((style) & WS_THICKFRAME) && \
  56      !(((style) & (WS_DLGFRAME|WS_BORDER)) == WS_DLGFRAME))
  57
  58 #define EMPTYPOINT(pt)          ((*(LONG*)&(pt)) == -1)
  59
  60 #define PLACE_MIN               0x0001
  61 #define PLACE_MAX               0x0002
  62 #define PLACE_RECT              0x0004
  63
  64
  65 #define DWP_MAGIC  ((INT)('W' | ('P' << 8) | ('O' << 16) | ('S' << 24)))
  66
  67 typedef struct
  68 {
  69     INT       actualCount;
  70     INT       suggestedCount;
  71     BOOL      valid;
  72     INT       wMagic;
  73     HWND      hwndParent;
  74     WINDOWPOS winPos[1];
  75 } DWP;
  76
  77 typedef struct
  78 {
  79     RECT16   rectNormal;
  80     POINT16  ptIconPos;
  81     POINT16  ptMaxPos;
  82     HWND     hwndIconTitle;
  83 } INTERNALPOS, *LPINTERNALPOS;
  84
  85 /* ----- internal functions ----- */
  86
  87 static const WCHAR SysIP_W[] = { 'S','y','s','I','P',0 };
  88
  89 static inline INTERNALPOS *get_internal_pos( HWND hwnd )
  90 {
  91     return GetPropW( hwnd, SysIP_W );
  92 }
  93
  94 static inline void set_internal_pos( HWND hwnd, INTERNALPOS *pos )
  95 {
  96     SetPropW( hwnd, SysIP_W, pos );
  97 }
  98
  99 /***********************************************************************
 100  *           WINPOS_CheckInternalPos
 101  *
 102  * Called when a window is destroyed.
 103  */
 104 void WINPOS_CheckInternalPos( HWND hwnd )
 105 {
 106     LPINTERNALPOS lpPos = get_internal_pos( hwnd );
 107
 108     if ( lpPos )
 109     {
 110         if( IsWindow(lpPos->hwndIconTitle) )
 111             DestroyWindow( lpPos->hwndIconTitle );
 112         HeapFree( GetProcessHeap(), 0, lpPos );
 113     }
 114 }
 115
 116 /***********************************************************************
 117  *              ArrangeIconicWindows (USER32.@)
 118  */
 119 UINT WINAPI ArrangeIconicWindows( HWND parent )
 120 {
 121     RECT rectParent;
 122     HWND hwndChild;
 123     INT x, y, xspacing, yspacing;
 124
 125     GetClientRect( parent, &rectParent );
 126     x = rectParent.left;
 127     y = rectParent.bottom;
 128     xspacing = GetSystemMetrics(SM_CXICONSPACING);
 129     yspacing = GetSystemMetrics(SM_CYICONSPACING);
 130
 131     hwndChild = GetWindow( parent, GW_CHILD );
 132     while (hwndChild)
 133     {
 134         if( IsIconic( hwndChild ) )
 135         {
 136             WINPOS_ShowIconTitle( hwndChild, FALSE );
 137
 138             SetWindowPos( hwndChild, 0, x + (xspacing - GetSystemMetrics(SM_CXICON)) / 2,
 139                             y - yspacing - GetSystemMetrics(SM_CYICON)/2, 0, 0,
 140                             SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
 141             if( IsWindow(hwndChild) )
 142                 WINPOS_ShowIconTitle(hwndChild , TRUE );
 143
 144             if (x <= rectParent.right - xspacing) x += xspacing;
 145             else
 146             {
 147                 x = rectParent.left;
 148                 y -= yspacing;
 149             }
 150         }
 151         hwndChild = GetWindow( hwndChild, GW_HWNDNEXT );
 152     }
 153     return yspacing;
 154 }
 155
 156
 157 /***********************************************************************
 158  *              SwitchToThisWindow (USER32.@)
 159  */
 160 void WINAPI SwitchToThisWindow( HWND hwnd, BOOL restore )
 161 {
 162     ShowWindow( hwnd, restore ? SW_RESTORE : SW_SHOWMINIMIZED );
 163 }
 164
 165
 166 /***********************************************************************
 167  *              GetWindowRect (USER32.@)
 168  */
 169 BOOL WINAPI GetWindowRect( HWND hwnd, LPRECT rect )
 170 {
 171     BOOL ret = WIN_GetRectangles( hwnd, rect, NULL );
 172     if (ret)
 173     {
 174         MapWindowPoints( GetAncestor( hwnd, GA_PARENT ), 0, (POINT *)rect, 2 );
 175         TRACE( "hwnd %p (%d,%d)-(%d,%d)\n",
 176                hwnd, rect->left, rect->top, rect->right, rect->bottom);
 177     }
 178     return ret;
 179 }
 180
 181
 182 /***********************************************************************
 183  *              GetWindowRgn (USER32.@)
 184  */
 185 int WINAPI GetWindowRgn ( HWND hwnd, HRGN hrgn )
 186 {
 187     int nRet = ERROR;
 188     NTSTATUS status;
 189     HRGN win_rgn = 0;
 190     RGNDATA *data;
 191     size_t size = 256;
 192
 193     do
 194     {
 195         if (!(data = HeapAlloc( GetProcessHeap(), 0, sizeof(*data) + size - 1 )))
 196         {
 197             SetLastError( ERROR_OUTOFMEMORY );
 198             return ERROR;
 199         }
 200         SERVER_START_REQ( get_window_region )
 201         {
 202             req->window = hwnd;
 203             wine_server_set_reply( req, data->Buffer, size );
 204             if (!(status = wine_server_call( req )))
 205             {
 206                 size_t reply_size = wine_server_reply_size( reply );
 207                 if (reply_size)
 208                 {
 209                     data->rdh.dwSize   = sizeof(data->rdh);
 210                     data->rdh.iType    = RDH_RECTANGLES;
 211                     data->rdh.nCount   = reply_size / sizeof(RECT);
 212                     data->rdh.nRgnSize = reply_size;
 213                     win_rgn = ExtCreateRegion( NULL, size, data );
 214                 }
 215             }
 216             else size = reply->total_size;
 217         }
 218         SERVER_END_REQ;
 219         HeapFree( GetProcessHeap(), 0, data );
 220     } while (status == STATUS_BUFFER_OVERFLOW);
 221
 222     if (status) SetLastError( RtlNtStatusToDosError(status) );
 223     else if (win_rgn)
 224     {
 225         nRet = CombineRgn( hrgn, win_rgn, 0, RGN_COPY );
 226         DeleteObject( win_rgn );
 227     }
 228     return nRet;
 229 }
 230
 231
 232 /***********************************************************************
 233  *              SetWindowRgn (USER32.@)
 234  */
 235 int WINAPI SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL bRedraw )
 236 {
 237     static const RECT empty_rect;
 238     BOOL ret;
 239
 240     if (hrgn)
 241     {
 242         RGNDATA *data;
 243         DWORD size;
 244
 245         if (!(size = GetRegionData( hrgn, 0, NULL ))) return FALSE;
 246         if (!(data = HeapAlloc( GetProcessHeap(), 0, size ))) return FALSE;
 247         if (!GetRegionData( hrgn, size, data ))
 248         {
 249             HeapFree( GetProcessHeap(), 0, data );
 250             return FALSE;
 251         }
 252         SERVER_START_REQ( set_window_region )
 253         {
 254             req->window = hwnd;
 255             req->redraw = (bRedraw != 0);
 256             if (data->rdh.nCount)
 257                 wine_server_add_data( req, data->Buffer, data->rdh.nCount * sizeof(RECT) );
 258             else
 259                 wine_server_add_data( req, &empty_rect, sizeof(empty_rect) );
 260             ret = !wine_server_call_err( req );
 261         }
 262         SERVER_END_REQ;
 263     }
 264     else  /* clear existing region */
 265     {
 266         SERVER_START_REQ( set_window_region )
 267         {
 268             req->window = hwnd;
 269             req->redraw = (bRedraw != 0);
 270             ret = !wine_server_call_err( req );
 271         }
 272         SERVER_END_REQ;
 273     }
 274
 275     if (ret) ret = USER_Driver->pSetWindowRgn( hwnd, hrgn, bRedraw );
 276
 277     if (ret)
 278     {
 279         UINT swp_flags = SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER|SWP_NOACTIVATE|SWP_FRAMECHANGED;
 280         if (hrgn) swp_flags |= SWP_NOCLIENTSIZE|SWP_NOCLIENTMOVE;
 281         if (!bRedraw) swp_flags |= SWP_NOREDRAW;
 282         SetWindowPos( hwnd, 0, 0, 0, 0, 0, swp_flags );
 283     }
 284     return ret;
 285 }
 286
 287
 288 /***********************************************************************
 289  *              GetClientRect (USER32.@)
 290  */
 291 BOOL WINAPI GetClientRect( HWND hwnd, LPRECT rect )
 292 {
 293     BOOL ret;
 294
 295     if ((ret = WIN_GetRectangles( hwnd, NULL, rect )))
 296     {
 297         rect->right -= rect->left;
 298         rect->bottom -= rect->top;
 299         rect->left = rect->top = 0;
 300     }
 301     return ret;
 302 }
 303
 304
 305 /*******************************************************************
 306  *              ClientToScreen (USER32.@)
 307  */
 308 BOOL WINAPI ClientToScreen( HWND hwnd, LPPOINT lppnt )
 309 {
 310     MapWindowPoints( hwnd, 0, lppnt, 1 );
 311     return TRUE;
 312 }
 313
 314
 315 /*******************************************************************
 316  *              ScreenToClient (USER32.@)
 317  */
 318 BOOL WINAPI ScreenToClient( HWND hwnd, LPPOINT lppnt )
 319 {
 320     MapWindowPoints( 0, hwnd, lppnt, 1 );
 321     return TRUE;
 322 }
 323
 324
 325 /***********************************************************************
 326  *           list_children_from_point
 327  *
 328  * Get the list of children that can contain point from the server.
 329  * Point is in screen coordinates.
 330  * Returned list must be freed by caller.
 331  */
 332 static HWND *list_children_from_point( HWND hwnd, POINT pt )
 333 {
 334     HWND *list;
 335     int size = 32;
 336
 337     for (;;)
 338     {
 339         int count = 0;
 340
 341         if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) break;
 342
 343         SERVER_START_REQ( get_window_children_from_point )
 344         {
 345             req->parent = hwnd;
 346             req->x = pt.x;
 347             req->y = pt.y;
 348             wine_server_set_reply( req, list, (size-1) * sizeof(HWND) );
 349             if (!wine_server_call( req )) count = reply->count;
 350         }
 351         SERVER_END_REQ;
 352         if (count && count < size)
 353         {
 354             list[count] = 0;
 355             return list;
 356         }
 357         HeapFree( GetProcessHeap(), 0, list );
 358         if (!count) break;
 359         size = count + 1;  /* restart with a large enough buffer */
 360     }
 361     return NULL;
 362 }
 363
 364
 365 /***********************************************************************
 366  *           WINPOS_WindowFromPoint
 367  *
 368  * Find the window and hittest for a given point.
 369  */
 370 HWND WINPOS_WindowFromPoint( HWND hwndScope, POINT pt, INT *hittest )
 371 {
 372     int i, res;
 373     HWND ret, *list;
 374
 375     if (!hwndScope) hwndScope = GetDesktopWindow();
 376
 377     *hittest = HTNOWHERE;
 378
 379     if (!(list = list_children_from_point( hwndScope, pt ))) return 0;
 380
 381     /* now determine the hittest */
 382
 383     for (i = 0; list[i]; i++)
 384     {
 385         LONG style = GetWindowLongW( list[i], GWL_STYLE );
 386
 387         /* If window is minimized or disabled, return at once */
 388         if (style & WS_MINIMIZE)
 389         {
 390             *hittest = HTCAPTION;
 391             break;
 392         }
 393         if (style & WS_DISABLED)
 394         {
 395             *hittest = HTERROR;
 396             break;
 397         }
 398         /* Send WM_NCCHITTEST (if same thread) */
 399         if (!WIN_IsCurrentThread( list[i] ))
 400         {
 401             *hittest = HTCLIENT;
 402             break;
 403         }
 404         res = SendMessageW( list[i], WM_NCHITTEST, 0, MAKELONG(pt.x,pt.y) );
 405         if (res != HTTRANSPARENT)
 406         {
 407             *hittest = res;  /* Found the window */
 408             break;
 409         }
 410         /* continue search with next window in z-order */
 411     }
 412     ret = list[i];
 413     HeapFree( GetProcessHeap(), 0, list );
 414     TRACE( "scope %p (%d,%d) returning %p\n", hwndScope, pt.x, pt.y, ret );
 415     return ret;
 416 }
 417
 418
 419 /*******************************************************************
 420  *              WindowFromPoint (USER32.@)
 421  */
 422 HWND WINAPI WindowFromPoint( POINT pt )
 423 {
 424     INT hittest;
 425     return WINPOS_WindowFromPoint( 0, pt, &hittest );
 426 }
 427
 428
 429 /*******************************************************************
 430  *              ChildWindowFromPoint (USER32.@)
 431  */
 432 HWND WINAPI ChildWindowFromPoint( HWND hwndParent, POINT pt )
 433 {
 434     return ChildWindowFromPointEx( hwndParent, pt, CWP_ALL );
 435 }
 436
 437 /*******************************************************************
 438  *              RealChildWindowFromPoint (USER32.@)
 439  */
 440 HWND WINAPI RealChildWindowFromPoint( HWND hwndParent, POINT pt )
 441 {
 442     return ChildWindowFromPointEx( hwndParent, pt, CWP_SKIPTRANSPARENT );
 443 }
 444
 445 /*******************************************************************
 446  *              ChildWindowFromPointEx (USER32.@)
 447  */
 448 HWND WINAPI ChildWindowFromPointEx( HWND hwndParent, POINT pt, UINT uFlags)
 449 {
 450     /* pt is in the client coordinates */
 451     HWND *list;
 452     int i;
 453     RECT rect;
 454     HWND retvalue;
 455
 456     GetClientRect( hwndParent, &rect );
 457     if (!PtInRect( &rect, pt )) return 0;
 458     if (!(list = WIN_ListChildren( hwndParent ))) return hwndParent;
 459
 460     for (i = 0; list[i]; i++)
 461     {
 462         if (!WIN_GetRectangles( list[i], &rect, NULL )) continue;
 463         if (!PtInRect( &rect, pt )) continue;
 464         if (uFlags & (CWP_SKIPINVISIBLE|CWP_SKIPDISABLED))
 465         {
 466             LONG style = GetWindowLongW( list[i], GWL_STYLE );
 467             if ((uFlags & CWP_SKIPINVISIBLE) && !(style & WS_VISIBLE)) continue;
 468             if ((uFlags & CWP_SKIPDISABLED) && (style & WS_DISABLED)) continue;
 469         }
 470         if (uFlags & CWP_SKIPTRANSPARENT)
 471         {
 472             if (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TRANSPARENT) continue;
 473         }
 474         break;
 475     }
 476     retvalue = list[i];
 477     HeapFree( GetProcessHeap(), 0, list );
 478     if (!retvalue) retvalue = hwndParent;
 479     return retvalue;
 480 }
 481
 482
 483 /*******************************************************************
 484  *         WINPOS_GetWinOffset
 485  *
 486  * Calculate the offset between the origin of the two windows. Used
 487  * to implement MapWindowPoints.
 488  */
 489 static void WINPOS_GetWinOffset( HWND hwndFrom, HWND hwndTo, POINT *offset )
 490 {
 491     WND * wndPtr;
 492
 493     offset->x = offset->y = 0;
 494
 495     /* Translate source window origin to screen coords */
 496     if (hwndFrom)
 497     {
 498         HWND hwnd = hwndFrom;
 499
 500         while (hwnd)
 501         {
 502             if (hwnd == hwndTo) return;
 503             if (!(wndPtr = WIN_GetPtr( hwnd )))
 504             {
 505                 ERR( "bad hwndFrom = %p\n", hwnd );
 506                 return;
 507             }
 508             if (wndPtr == WND_DESKTOP) break;
 509             if (wndPtr == WND_OTHER_PROCESS) goto other_process;
 510             offset->x += wndPtr->rectClient.left;
 511             offset->y += wndPtr->rectClient.top;
 512             hwnd = wndPtr->parent;
 513             WIN_ReleasePtr( wndPtr );
 514         }
 515     }
 516
 517     /* Translate origin to destination window coords */
 518     if (hwndTo)
 519     {
 520         HWND hwnd = hwndTo;
 521
 522         while (hwnd)
 523         {
 524             if (!(wndPtr = WIN_GetPtr( hwnd )))
 525             {
 526                 ERR( "bad hwndTo = %p\n", hwnd );
 527                 return;
 528             }
 529             if (wndPtr == WND_DESKTOP) break;
 530             if (wndPtr == WND_OTHER_PROCESS) goto other_process;
 531             offset->x -= wndPtr->rectClient.left;
 532             offset->y -= wndPtr->rectClient.top;
 533             hwnd = wndPtr->parent;
 534             WIN_ReleasePtr( wndPtr );
 535         }
 536     }
 537     return;
 538
 539  other_process:  /* one of the parents may belong to another process, do it the hard way */
 540     offset->x = offset->y = 0;
 541     SERVER_START_REQ( get_windows_offset )
 542     {
 543         req->from = hwndFrom;
 544         req->to   = hwndTo;
 545         if (!wine_server_call( req ))
 546         {
 547             offset->x = reply->x;
 548             offset->y = reply->y;
 549         }
 550     }
 551     SERVER_END_REQ;
 552 }
 553
 554
 555 /*******************************************************************
 556  *              MapWindowPoints (USER.258)
 557  */
 558 void WINAPI MapWindowPoints16( HWND16 hwndFrom, HWND16 hwndTo,
 559                                LPPOINT16 lppt, UINT16 count )
 560 {
 561     POINT offset;
 562
 563     WINPOS_GetWinOffset( WIN_Handle32(hwndFrom), WIN_Handle32(hwndTo), &offset );
 564     while (count--)
 565     {
 566         lppt->x += offset.x;
 567         lppt->y += offset.y;
 568         lppt++;
 569     }
 570 }
 571
 572
 573 /*******************************************************************
 574  *              MapWindowPoints (USER32.@)
 575  */
 576 INT WINAPI MapWindowPoints( HWND hwndFrom, HWND hwndTo, LPPOINT lppt, UINT count )
 577 {
 578     POINT offset;
 579
 580     WINPOS_GetWinOffset( hwndFrom, hwndTo, &offset );
 581     while (count--)
 582     {
 583         lppt->x += offset.x;
 584         lppt->y += offset.y;
 585         lppt++;
 586     }
 587     return MAKELONG( LOWORD(offset.x), LOWORD(offset.y) );
 588 }
 589
 590
 591 /***********************************************************************
 592  *              IsIconic (USER32.@)
 593  */
 594 BOOL WINAPI IsIconic(HWND hWnd)
 595 {
 596     return (GetWindowLongW( hWnd, GWL_STYLE ) & WS_MINIMIZE) != 0;
 597 }
 598
 599
 600 /***********************************************************************
 601  *              IsZoomed (USER32.@)
 602  */
 603 BOOL WINAPI IsZoomed(HWND hWnd)
 604 {
 605     return (GetWindowLongW( hWnd, GWL_STYLE ) & WS_MAXIMIZE) != 0;
 606 }
 607
 608
 609 /*******************************************************************
 610  *              AllowSetForegroundWindow (USER32.@)
 611  */
 612 BOOL WINAPI AllowSetForegroundWindow( DWORD procid )
 613 {
 614     /* FIXME: If Win98/2000 style SetForegroundWindow behavior is
 615      * implemented, then fix this function. */
 616     return TRUE;
 617 }
 618
 619
 620 /*******************************************************************
 621  *              LockSetForegroundWindow (USER32.@)
 622  */
 623 BOOL WINAPI LockSetForegroundWindow( UINT lockcode )
 624 {
 625     /* FIXME: If Win98/2000 style SetForegroundWindow behavior is
 626      * implemented, then fix this function. */
 627     return TRUE;
 628 }
 629
 630
 631 /***********************************************************************
 632  *              BringWindowToTop (USER32.@)
 633  */
 634 BOOL WINAPI BringWindowToTop( HWND hwnd )
 635 {
 636     return SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE );
 637 }
 638
 639
 640 /***********************************************************************
 641  *              MoveWindow (USER32.@)
 642  */
 643 BOOL WINAPI MoveWindow( HWND hwnd, INT x, INT y, INT cx, INT cy,
 644                             BOOL repaint )
 645 {
 646     int flags = SWP_NOZORDER | SWP_NOACTIVATE;
 647     if (!repaint) flags |= SWP_NOREDRAW;
 648     TRACE("%p %d,%d %dx%d %d\n", hwnd, x, y, cx, cy, repaint );
 649     return SetWindowPos( hwnd, 0, x, y, cx, cy, flags );
 650 }
 651
 652 /***********************************************************************
 653  *           WINPOS_InitInternalPos
 654  */
 655 static LPINTERNALPOS WINPOS_InitInternalPos( WND* wnd )
 656 {
 657     LPINTERNALPOS lpPos = get_internal_pos( wnd->hwndSelf );
 658     if( !lpPos )
 659     {
 660         /* this happens when the window is minimized/maximized
 661          * for the first time (rectWindow is not adjusted yet) */
 662
 663         lpPos = HeapAlloc( GetProcessHeap(), 0, sizeof(INTERNALPOS) );
 664         if( !lpPos ) return NULL;
 665
 666         set_internal_pos( wnd->hwndSelf, lpPos );
 667         lpPos->hwndIconTitle = 0; /* defer until needs to be shown */
 668         lpPos->rectNormal.left   = wnd->rectWindow.left;
 669         lpPos->rectNormal.top    = wnd->rectWindow.top;
 670         lpPos->rectNormal.right  = wnd->rectWindow.right;
 671         lpPos->rectNormal.bottom = wnd->rectWindow.bottom;
 672         lpPos->ptIconPos.x = lpPos->ptIconPos.y = -1;
 673         lpPos->ptMaxPos.x = lpPos->ptMaxPos.y = -1;
 674     }
 675
 676     if( wnd->dwStyle & WS_MINIMIZE )
 677     {
 678         lpPos->ptIconPos.x = wnd->rectWindow.left;
 679         lpPos->ptIconPos.y = wnd->rectWindow.top;
 680     }
 681     else if( wnd->dwStyle & WS_MAXIMIZE )
 682     {
 683         lpPos->ptMaxPos.x = wnd->rectWindow.left;
 684         lpPos->ptMaxPos.y = wnd->rectWindow.top;
 685     }
 686     else
 687     {
 688         lpPos->rectNormal.left   = wnd->rectWindow.left;
 689         lpPos->rectNormal.top    = wnd->rectWindow.top;
 690         lpPos->rectNormal.right  = wnd->rectWindow.right;
 691         lpPos->rectNormal.bottom = wnd->rectWindow.bottom;
 692     }
 693     return lpPos;
 694 }
 695
 696 /***********************************************************************
 697  *           WINPOS_RedrawIconTitle
 698  */
 699 BOOL WINPOS_RedrawIconTitle( HWND hWnd )
 700 {
 701     LPINTERNALPOS lpPos = get_internal_pos( hWnd );
 702     if( lpPos )
 703     {
 704         if( lpPos->hwndIconTitle )
 705         {
 706             SendMessageW( lpPos->hwndIconTitle, WM_SHOWWINDOW, TRUE, 0);
 707             InvalidateRect( lpPos->hwndIconTitle, NULL, TRUE );
 708             return TRUE;
 709         }
 710     }
 711     return FALSE;
 712 }
 713
 714 /***********************************************************************
 715  *           WINPOS_ShowIconTitle
 716  */
 717 BOOL WINPOS_ShowIconTitle( HWND hwnd, BOOL bShow )
 718 {
 719     LPINTERNALPOS lpPos = get_internal_pos( hwnd );
 720
 721     if (lpPos && !GetPropA( hwnd, "__wine_x11_managed" ))
 722     {
 723         HWND title = lpPos->hwndIconTitle;
 724
 725         TRACE("%p %i\n", hwnd, (bShow != 0) );
 726
 727         if( !title )
 728             lpPos->hwndIconTitle = title = ICONTITLE_Create( hwnd );
 729         if( bShow )
 730         {
 731             if (!IsWindowVisible(title))
 732             {
 733                 SendMessageW( title, WM_SHOWWINDOW, TRUE, 0 );
 734                 SetWindowPos( title, 0, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE |
 735                               SWP_NOACTIVATE | SWP_NOZORDER | SWP_SHOWWINDOW );
 736             }
 737         }
 738         else ShowWindow( title, SW_HIDE );
 739     }
 740     return FALSE;
 741 }
 742
 743 /*******************************************************************
 744  *           WINPOS_GetMinMaxInfo
 745  *
 746  * Get the minimized and maximized information for a window.
 747  */
 748 void WINPOS_GetMinMaxInfo( HWND hwnd, POINT *maxSize, POINT *maxPos,
 749                            POINT *minTrack, POINT *maxTrack )
 750 {
 751     LPINTERNALPOS lpPos;
 752     MINMAXINFO MinMax;
 753     HMONITOR monitor;
 754     INT xinc, yinc;
 755     LONG style = GetWindowLongA( hwnd, GWL_STYLE );
 756     LONG exstyle = GetWindowLongA( hwnd, GWL_EXSTYLE );
 757     RECT rc;
 758
 759     /* Compute default values */
 760
 761     GetWindowRect(hwnd, &rc);
 762     MinMax.ptReserved.x = rc.left;
 763     MinMax.ptReserved.y = rc.top;
 764
 765     if (style & WS_CHILD)
 766     {
 767         if ((style & WS_CAPTION) == WS_CAPTION)
 768             style &= ~WS_BORDER; /* WS_CAPTION = WS_DLGFRAME | WS_BORDER */
 769
 770         GetClientRect(GetAncestor(hwnd,GA_PARENT), &rc);
 771         AdjustWindowRectEx(&rc, style, ((style & WS_POPUP) && GetMenu(hwnd)), exstyle);
 772
 773         /* avoid calculating this twice */
 774         style &= ~(WS_DLGFRAME | WS_BORDER | WS_THICKFRAME);
 775
 776         MinMax.ptMaxSize.x = rc.right - rc.left;
 777         MinMax.ptMaxSize.y = rc.bottom - rc.top;
 778     }
 779     else
 780     {
 781         MinMax.ptMaxSize.x = GetSystemMetrics(SM_CXSCREEN);
 782         MinMax.ptMaxSize.y = GetSystemMetrics(SM_CYSCREEN);
 783     }
 784     MinMax.ptMinTrackSize.x = GetSystemMetrics(SM_CXMINTRACK);
 785     MinMax.ptMinTrackSize.y = GetSystemMetrics(SM_CYMINTRACK);
 786     MinMax.ptMaxTrackSize.x = GetSystemMetrics(SM_CXMAXTRACK);
 787     MinMax.ptMaxTrackSize.y = GetSystemMetrics(SM_CYMAXTRACK);
 788
 789     if (HAS_DLGFRAME( style, exstyle ))
 790     {
 791         xinc = GetSystemMetrics(SM_CXDLGFRAME);
 792         yinc = GetSystemMetrics(SM_CYDLGFRAME);
 793     }
 794     else
 795     {
 796         xinc = yinc = 0;
 797         if (HAS_THICKFRAME(style))
 798         {
 799             xinc += GetSystemMetrics(SM_CXFRAME);
 800             yinc += GetSystemMetrics(SM_CYFRAME);
 801         }
 802         if (style & WS_BORDER)
 803         {
 804             xinc += GetSystemMetrics(SM_CXBORDER);
 805             yinc += GetSystemMetrics(SM_CYBORDER);
 806         }
 807     }
 808     MinMax.ptMaxSize.x += 2 * xinc;
 809     MinMax.ptMaxSize.y += 2 * yinc;
 810
 811     lpPos = get_internal_pos( hwnd );
 812     if( lpPos && !EMPTYPOINT(lpPos->ptMaxPos) )
 813     {
 814         MinMax.ptMaxPosition.x = lpPos->ptMaxPos.x;
 815         MinMax.ptMaxPosition.y = lpPos->ptMaxPos.y;
 816     }
 817     else
 818     {
 819         MinMax.ptMaxPosition.x = -xinc;
 820         MinMax.ptMaxPosition.y = -yinc;
 821     }
 822
 823     SendMessageW( hwnd, WM_GETMINMAXINFO, 0, (LPARAM)&MinMax );
 824
 825     /* if the app didn't change the values, adapt them for the current monitor */
 826
 827     if ((monitor = MonitorFromWindow( hwnd, MONITOR_DEFAULTTOPRIMARY )))
 828     {
 829         MONITORINFO mon_info;
 830
 831         mon_info.cbSize = sizeof(mon_info);
 832         GetMonitorInfoW( monitor, &mon_info );
 833
 834         if (MinMax.ptMaxSize.x == GetSystemMetrics(SM_CXSCREEN) + 2 * xinc &&
 835             MinMax.ptMaxSize.y == GetSystemMetrics(SM_CYSCREEN) + 2 * yinc)
 836         {
 837             MinMax.ptMaxSize.x = (mon_info.rcWork.right - mon_info.rcWork.left) + 2 * xinc;
 838             MinMax.ptMaxSize.y = (mon_info.rcWork.bottom - mon_info.rcWork.top) + 2 * yinc;
 839         }
 840         if (MinMax.ptMaxPosition.x == -xinc && MinMax.ptMaxPosition.y == -yinc)
 841         {
 842             MinMax.ptMaxPosition.x = mon_info.rcWork.left - xinc;
 843             MinMax.ptMaxPosition.y = mon_info.rcWork.top - yinc;
 844         }
 845     }
 846
 847       /* Some sanity checks */
 848
 849     TRACE("%d %d / %d %d / %d %d / %d %d\n",
 850                       MinMax.ptMaxSize.x, MinMax.ptMaxSize.y,
 851                       MinMax.ptMaxPosition.x, MinMax.ptMaxPosition.y,
 852                       MinMax.ptMaxTrackSize.x, MinMax.ptMaxTrackSize.y,
 853                       MinMax.ptMinTrackSize.x, MinMax.ptMinTrackSize.y);
 854     MinMax.ptMaxTrackSize.x = max( MinMax.ptMaxTrackSize.x,
 855                                    MinMax.ptMinTrackSize.x );
 856     MinMax.ptMaxTrackSize.y = max( MinMax.ptMaxTrackSize.y,
 857                                    MinMax.ptMinTrackSize.y );
 858
 859     if (maxSize) *maxSize = MinMax.ptMaxSize;
 860     if (maxPos) *maxPos = MinMax.ptMaxPosition;
 861     if (minTrack) *minTrack = MinMax.ptMinTrackSize;
 862     if (maxTrack) *maxTrack = MinMax.ptMaxTrackSize;
 863 }
 864
 865 /***********************************************************************
 866  *              ShowWindowAsync (USER32.@)
 867  *
 868  * doesn't wait; returns immediately.
 869  * used by threads to toggle windows in other (possibly hanging) threads
 870  */
 871 BOOL WINAPI ShowWindowAsync( HWND hwnd, INT cmd )
 872 {
 873     HWND full_handle;
 874
 875     if (is_broadcast(hwnd))
 876     {
 877         SetLastError( ERROR_INVALID_PARAMETER );
 878         return FALSE;
 879     }
 880
 881     if ((full_handle = WIN_IsCurrentThread( hwnd )))
 882         return USER_Driver->pShowWindow( full_handle, cmd );
 883
 884     return SendNotifyMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
 885 }
 886
 887
 888 /***********************************************************************
 889  *              ShowWindow (USER32.@)
 890  */
 891 BOOL WINAPI ShowWindow( HWND hwnd, INT cmd )
 892 {
 893     HWND full_handle;
 894
 895     if (is_broadcast(hwnd))
 896     {
 897         SetLastError( ERROR_INVALID_PARAMETER );
 898         return FALSE;
 899     }
 900     if ((full_handle = WIN_IsCurrentThread( hwnd )))
 901         return USER_Driver->pShowWindow( full_handle, cmd );
 902
 903     return SendMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
 904 }
 905
 906
 907 /***********************************************************************
 908  *              GetInternalWindowPos (USER32.@)
 909  */
 910 UINT WINAPI GetInternalWindowPos( HWND hwnd, LPRECT rectWnd,
 911                                       LPPOINT ptIcon )
 912 {
 913     WINDOWPLACEMENT wndpl;
 914     if (GetWindowPlacement( hwnd, &wndpl ))
 915     {
 916         if (rectWnd) *rectWnd = wndpl.rcNormalPosition;
 917         if (ptIcon)  *ptIcon = wndpl.ptMinPosition;
 918         return wndpl.showCmd;
 919     }
 920     return 0;
 921 }
 922
 923
 924 /***********************************************************************
 925  *              GetWindowPlacement (USER32.@)
 926  *
 927  * Win95:
 928  * Fails if wndpl->length of Win95 (!) apps is invalid.
 929  */
 930 BOOL WINAPI GetWindowPlacement( HWND hwnd, WINDOWPLACEMENT *wndpl )
 931 {
 932     WND *pWnd = WIN_GetPtr( hwnd );
 933     LPINTERNALPOS lpPos;
 934
 935     if (!pWnd || pWnd == WND_DESKTOP) return FALSE;
 936     if (pWnd == WND_OTHER_PROCESS)
 937     {
 938         if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
 939         return FALSE;
 940     }
 941
 942     lpPos = WINPOS_InitInternalPos( pWnd );
 943     wndpl->length  = sizeof(*wndpl);
 944     if( pWnd->dwStyle & WS_MINIMIZE )
 945         wndpl->showCmd = SW_SHOWMINIMIZED;
 946     else
 947         wndpl->showCmd = ( pWnd->dwStyle & WS_MAXIMIZE ) ? SW_SHOWMAXIMIZED : SW_SHOWNORMAL ;
 948     if( pWnd->flags & WIN_RESTORE_MAX )
 949         wndpl->flags = WPF_RESTORETOMAXIMIZED;
 950     else
 951         wndpl->flags = 0;
 952     wndpl->ptMinPosition.x = lpPos->ptIconPos.x;
 953     wndpl->ptMinPosition.y = lpPos->ptIconPos.y;
 954     wndpl->ptMaxPosition.x = lpPos->ptMaxPos.x;
 955     wndpl->ptMaxPosition.y = lpPos->ptMaxPos.y;
 956     wndpl->rcNormalPosition.left   = lpPos->rectNormal.left;
 957     wndpl->rcNormalPosition.top    = lpPos->rectNormal.top;
 958     wndpl->rcNormalPosition.right  = lpPos->rectNormal.right;
 959     wndpl->rcNormalPosition.bottom = lpPos->rectNormal.bottom;
 960     WIN_ReleasePtr( pWnd );
 961     return TRUE;
 962 }
 963
 964
 965 /***********************************************************************
 966  *           WINPOS_SetPlacement
 967  */
 968 static BOOL WINPOS_SetPlacement( HWND hwnd, const WINDOWPLACEMENT *wndpl, UINT flags )
 969 {
 970     LPINTERNALPOS lpPos;
 971     DWORD style;
 972     WND *pWnd = WIN_GetPtr( hwnd );
 973
 974     if (!pWnd || pWnd == WND_OTHER_PROCESS || pWnd == WND_DESKTOP) return FALSE;
 975     lpPos = WINPOS_InitInternalPos( pWnd );
 976
 977     if( flags & PLACE_MIN )
 978     {
 979         lpPos->ptIconPos.x = wndpl->ptMinPosition.x;
 980         lpPos->ptIconPos.y = wndpl->ptMinPosition.y;
 981     }
 982     if( flags & PLACE_MAX )
 983     {
 984         lpPos->ptMaxPos.x = wndpl->ptMaxPosition.x;
 985         lpPos->ptMaxPos.y = wndpl->ptMaxPosition.y;
 986     }
 987     if( flags & PLACE_RECT)
 988     {
 989         lpPos->rectNormal.left   = wndpl->rcNormalPosition.left;
 990         lpPos->rectNormal.top    = wndpl->rcNormalPosition.top;
 991         lpPos->rectNormal.right  = wndpl->rcNormalPosition.right;
 992         lpPos->rectNormal.bottom = wndpl->rcNormalPosition.bottom;
 993     }
 994
 995     style = pWnd->dwStyle;
 996     WIN_ReleasePtr( pWnd );
 997
 998     if( style & WS_MINIMIZE )
 999     {
1000         WINPOS_ShowIconTitle( hwnd, FALSE );
1001         if( wndpl->flags & WPF_SETMINPOSITION && !EMPTYPOINT(lpPos->ptIconPos))
1002             SetWindowPos( hwnd, 0, lpPos->ptIconPos.x, lpPos->ptIconPos.y,
1003                           0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
1004     }
1005     else if( style & WS_MAXIMIZE )
1006     {
1007         if( !EMPTYPOINT(lpPos->ptMaxPos) )
1008             SetWindowPos( hwnd, 0, lpPos->ptMaxPos.x, lpPos->ptMaxPos.y,
1009                           0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
1010     }
1011     else if( flags & PLACE_RECT )
1012         SetWindowPos( hwnd, 0, lpPos->rectNormal.left, lpPos->rectNormal.top,
1013                       lpPos->rectNormal.right - lpPos->rectNormal.left,
1014                       lpPos->rectNormal.bottom - lpPos->rectNormal.top,
1015                       SWP_NOZORDER | SWP_NOACTIVATE );
1016
1017     ShowWindow( hwnd, wndpl->showCmd );
1018
1019     if (IsIconic( hwnd ))
1020     {
1021         if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE) WINPOS_ShowIconTitle( hwnd, TRUE );
1022
1023         /* SDK: ...valid only the next time... */
1024         if( wndpl->flags & WPF_RESTORETOMAXIMIZED )
1025         {
1026             pWnd = WIN_GetPtr( hwnd );
1027             if (pWnd && pWnd != WND_OTHER_PROCESS)
1028             {
1029                 pWnd->flags |= WIN_RESTORE_MAX;
1030                 WIN_ReleasePtr( pWnd );
1031             }
1032         }
1033     }
1034     return TRUE;
1035 }
1036
1037
1038 /***********************************************************************
1039  *              SetWindowPlacement (USER32.@)
1040  *
1041  * Win95:
1042  * Fails if wndpl->length of Win95 (!) apps is invalid.
1043  */
1044 BOOL WINAPI SetWindowPlacement( HWND hwnd, const WINDOWPLACEMENT *wpl )
1045 {
1046     if (!wpl) return FALSE;
1047     return WINPOS_SetPlacement( hwnd, wpl, PLACE_MIN | PLACE_MAX | PLACE_RECT );
1048 }
1049
1050
1051 /***********************************************************************
1052  *              AnimateWindow (USER32.@)
1053  *              Shows/Hides a window with an animation
1054  *              NO ANIMATION YET
1055  */
1056 BOOL WINAPI AnimateWindow(HWND hwnd, DWORD dwTime, DWORD dwFlags)
1057 {
1058         FIXME("partial stub\n");
1059
1060         /* If trying to show/hide and it's already   *
1061          * shown/hidden or invalid window, fail with *
1062          * invalid parameter                         */
1063         if(!IsWindow(hwnd) ||
1064            (IsWindowVisible(hwnd) && !(dwFlags & AW_HIDE)) ||
1065            (!IsWindowVisible(hwnd) && (dwFlags & AW_HIDE)))
1066         {
1067                 SetLastError(ERROR_INVALID_PARAMETER);
1068                 return FALSE;
1069         }
1070
1071         ShowWindow(hwnd, (dwFlags & AW_HIDE) ? SW_HIDE : ((dwFlags & AW_ACTIVATE) ? SW_SHOW : SW_SHOWNA));
1072
1073         return TRUE;
1074 }
1075
1076 /***********************************************************************
1077  *              SetInternalWindowPos (USER32.@)
1078  */
1079 void WINAPI SetInternalWindowPos( HWND hwnd, UINT showCmd,
1080                                     LPRECT rect, LPPOINT pt )
1081 {
1082     if( IsWindow(hwnd) )
1083     {
1084         WINDOWPLACEMENT wndpl;
1085         UINT flags;
1086
1087         wndpl.length  = sizeof(wndpl);
1088         wndpl.showCmd = showCmd;
1089         wndpl.flags = flags = 0;
1090
1091         if( pt )
1092         {
1093             flags |= PLACE_MIN;
1094             wndpl.flags |= WPF_SETMINPOSITION;
1095             wndpl.ptMinPosition = *pt;
1096         }
1097         if( rect )
1098         {
1099             flags |= PLACE_RECT;
1100             wndpl.rcNormalPosition = *rect;
1101         }
1102         WINPOS_SetPlacement( hwnd, &wndpl, flags );
1103     }
1104 }
1105
1106
1107 /*******************************************************************
1108  *         can_activate_window
1109  *
1110  * Check if we can activate the specified window.
1111  */
1112 static BOOL can_activate_window( HWND hwnd )
1113 {
1114     LONG style;
1115
1116     if (!hwnd) return FALSE;
1117     style = GetWindowLongW( hwnd, GWL_STYLE );
1118     if (!(style & WS_VISIBLE)) return FALSE;
1119     if ((style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return FALSE;
1120     return !(style & WS_DISABLED);
1121 }
1122
1123
1124 /*******************************************************************
1125  *         WINPOS_ActivateOtherWindow
1126  *
1127  *  Activates window other than pWnd.
1128  */
1129 void WINPOS_ActivateOtherWindow(HWND hwnd)
1130 {
1131     HWND hwndTo, fg;
1132
1133     if ((GetWindowLongW( hwnd, GWL_STYLE ) & WS_POPUP) && (hwndTo = GetWindow( hwnd, GW_OWNER )))
1134     {
1135         hwndTo = GetAncestor( hwndTo, GA_ROOT );
1136         if (can_activate_window( hwndTo )) goto done;
1137     }
1138
1139     hwndTo = hwnd;
1140     for (;;)
1141     {
1142         if (!(hwndTo = GetWindow( hwndTo, GW_HWNDNEXT ))) break;
1143         if (can_activate_window( hwndTo )) break;
1144     }
1145
1146  done:
1147     fg = GetForegroundWindow();
1148     TRACE("win = %p fg = %p\n", hwndTo, fg);
1149     if (!fg || (hwnd == fg))
1150     {
1151         if (SetForegroundWindow( hwndTo )) return;
1152     }
1153     if (!SetActiveWindow( hwndTo )) SetActiveWindow(0);
1154 }
1155
1156
1157 /***********************************************************************
1158  *           WINPOS_HandleWindowPosChanging
1159  *
1160  * Default handling for a WM_WINDOWPOSCHANGING. Called from DefWindowProc().
1161  */
1162 LONG WINPOS_HandleWindowPosChanging( HWND hwnd, WINDOWPOS *winpos )
1163 {
1164     POINT minTrack, maxTrack;
1165     LONG style = GetWindowLongW( hwnd, GWL_STYLE );
1166
1167     if (winpos->flags & SWP_NOSIZE) return 0;
1168     if ((style & WS_THICKFRAME) || ((style & (WS_POPUP | WS_CHILD)) == 0))
1169     {
1170         WINPOS_GetMinMaxInfo( hwnd, NULL, NULL, &minTrack, &maxTrack );
1171         if (winpos->cx > maxTrack.x) winpos->cx = maxTrack.x;
1172         if (winpos->cy > maxTrack.y) winpos->cy = maxTrack.y;
1173         if (!(style & WS_MINIMIZE))
1174         {
1175             if (winpos->cx < minTrack.x ) winpos->cx = minTrack.x;
1176             if (winpos->cy < minTrack.y ) winpos->cy = minTrack.y;
1177         }
1178     }
1179     return 0;
1180 }
1181
1182
1183 /***********************************************************************
1184  *           dump_winpos_flags
1185  */
1186 static void dump_winpos_flags(UINT flags)
1187 {
1188     TRACE("flags:");
1189     if(flags & SWP_NOSIZE) TRACE(" SWP_NOSIZE");
1190     if(flags & SWP_NOMOVE) TRACE(" SWP_NOMOVE");
1191     if(flags & SWP_NOZORDER) TRACE(" SWP_NOZORDER");
1192     if(flags & SWP_NOREDRAW) TRACE(" SWP_NOREDRAW");
1193     if(flags & SWP_NOACTIVATE) TRACE(" SWP_NOACTIVATE");
1194     if(flags & SWP_FRAMECHANGED) TRACE(" SWP_FRAMECHANGED");
1195     if(flags & SWP_SHOWWINDOW) TRACE(" SWP_SHOWWINDOW");
1196     if(flags & SWP_HIDEWINDOW) TRACE(" SWP_HIDEWINDOW");
1197     if(flags & SWP_NOCOPYBITS) TRACE(" SWP_NOCOPYBITS");
1198     if(flags & SWP_NOOWNERZORDER) TRACE(" SWP_NOOWNERZORDER");
1199     if(flags & SWP_NOSENDCHANGING) TRACE(" SWP_NOSENDCHANGING");
1200     if(flags & SWP_DEFERERASE) TRACE(" SWP_DEFERERASE");
1201     if(flags & SWP_ASYNCWINDOWPOS) TRACE(" SWP_ASYNCWINDOWPOS");
1202
1203 #define DUMPED_FLAGS \
1204     (SWP_NOSIZE | \
1205     SWP_NOMOVE | \
1206     SWP_NOZORDER | \
1207     SWP_NOREDRAW | \
1208     SWP_NOACTIVATE | \
1209     SWP_FRAMECHANGED | \
1210     SWP_SHOWWINDOW | \
1211     SWP_HIDEWINDOW | \
1212     SWP_NOCOPYBITS | \
1213     SWP_NOOWNERZORDER | \
1214     SWP_NOSENDCHANGING | \
1215     SWP_DEFERERASE | \
1216     SWP_ASYNCWINDOWPOS)
1217
1218     if(flags & ~DUMPED_FLAGS) TRACE(" %08x", flags & ~DUMPED_FLAGS);
1219     TRACE("\n");
1220 #undef DUMPED_FLAGS
1221 }
1222
1223 /***********************************************************************
1224  *           SWP_DoWinPosChanging
1225  */
1226 static BOOL SWP_DoWinPosChanging( WINDOWPOS* pWinpos, RECT* pNewWindowRect, RECT* pNewClientRect )
1227 {
1228     WND *wndPtr;
1229
1230     /* Send WM_WINDOWPOSCHANGING message */
1231
1232     if (!(pWinpos->flags & SWP_NOSENDCHANGING))
1233         SendMessageW( pWinpos->hwnd, WM_WINDOWPOSCHANGING, 0, (LPARAM)pWinpos );
1234
1235     if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) ||
1236         wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
1237
1238     /* Calculate new position and size */
1239
1240     *pNewWindowRect = wndPtr->rectWindow;
1241     *pNewClientRect = (wndPtr->dwStyle & WS_MINIMIZE) ? wndPtr->rectWindow
1242                                                     : wndPtr->rectClient;
1243
1244     if (!(pWinpos->flags & SWP_NOSIZE))
1245     {
1246         pNewWindowRect->right  = pNewWindowRect->left + pWinpos->cx;
1247         pNewWindowRect->bottom = pNewWindowRect->top + pWinpos->cy;
1248     }
1249     if (!(pWinpos->flags & SWP_NOMOVE))
1250     {
1251         pNewWindowRect->left    = pWinpos->x;
1252         pNewWindowRect->top     = pWinpos->y;
1253         pNewWindowRect->right  += pWinpos->x - wndPtr->rectWindow.left;
1254         pNewWindowRect->bottom += pWinpos->y - wndPtr->rectWindow.top;
1255
1256         OffsetRect( pNewClientRect, pWinpos->x - wndPtr->rectWindow.left,
1257                                     pWinpos->y - wndPtr->rectWindow.top );
1258     }
1259     pWinpos->flags |= SWP_NOCLIENTMOVE | SWP_NOCLIENTSIZE;
1260
1261     TRACE( "hwnd %p, after %p, swp %d,%d %dx%d flags %08x\n",
1262            pWinpos->hwnd, pWinpos->hwndInsertAfter, pWinpos->x, pWinpos->y,
1263            pWinpos->cx, pWinpos->cy, pWinpos->flags );
1264     TRACE( "current %s style %08x new %s\n",
1265            wine_dbgstr_rect( &wndPtr->rectWindow ), wndPtr->dwStyle,
1266            wine_dbgstr_rect( pNewWindowRect ));
1267
1268     WIN_ReleasePtr( wndPtr );
1269     return TRUE;
1270 }
1271
1272 /***********************************************************************
1273  *           get_valid_rects
1274  *
1275  * Compute the valid rects from the old and new client rect and WVR_* flags.
1276  * Helper for WM_NCCALCSIZE handling.
1277  */
1278 static inline void get_valid_rects( const RECT *old_client, const RECT *new_client, UINT flags,
1279                                     RECT *valid )
1280 {
1281     int cx, cy;
1282
1283     if (flags & WVR_REDRAW)
1284     {
1285         SetRectEmpty( &valid[0] );
1286         SetRectEmpty( &valid[1] );
1287         return;
1288     }
1289
1290     if (flags & WVR_VALIDRECTS)
1291     {
1292         if (!IntersectRect( &valid[0], &valid[0], new_client ) ||
1293             !IntersectRect( &valid[1], &valid[1], old_client ))
1294         {
1295             SetRectEmpty( &valid[0] );
1296             SetRectEmpty( &valid[1] );
1297             return;
1298         }
1299         flags = WVR_ALIGNLEFT | WVR_ALIGNTOP;
1300     }
1301     else
1302     {
1303         valid[0] = *new_client;
1304         valid[1] = *old_client;
1305     }
1306
1307     /* make sure the rectangles have the same size */
1308     cx = min( valid[0].right - valid[0].left, valid[1].right - valid[1].left );
1309     cy = min( valid[0].bottom - valid[0].top, valid[1].bottom - valid[1].top );
1310
1311     if (flags & WVR_ALIGNBOTTOM)
1312     {
1313         valid[0].top = valid[0].bottom - cy;
1314         valid[1].top = valid[1].bottom - cy;
1315     }
1316     else
1317     {
1318         valid[0].bottom = valid[0].top + cy;
1319         valid[1].bottom = valid[1].top + cy;
1320     }
1321     if (flags & WVR_ALIGNRIGHT)
1322     {
1323         valid[0].left = valid[0].right - cx;
1324         valid[1].left = valid[1].right - cx;
1325     }
1326     else
1327     {
1328         valid[0].right = valid[0].left + cx;
1329         valid[1].right = valid[1].left + cx;
1330     }
1331 }
1332
1333 struct move_owned_info
1334 {
1335     HWND owner;
1336     HWND insert_after;
1337 };
1338
1339 static BOOL CALLBACK move_owned_popups( HWND hwnd, LPARAM lparam )
1340 {
1341     struct move_owned_info *info = (struct move_owned_info *)lparam;
1342
1343     if (hwnd == info->owner) return FALSE;
1344     if ((GetWindowLongW( hwnd, GWL_STYLE ) & WS_POPUP) &&
1345         GetWindow( hwnd, GW_OWNER ) == info->owner)
1346     {
1347         SetWindowPos( hwnd, info->insert_after, 0, 0, 0, 0,
1348                       SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE |
1349                       SWP_NOSENDCHANGING | SWP_DEFERERASE );
1350         info->insert_after = hwnd;
1351     }
1352     return TRUE;
1353 }
1354
1355 /***********************************************************************
1356  *           SWP_DoOwnedPopups
1357  *
1358  * fix Z order taking into account owned popups -
1359  * basically we need to maintain them above the window that owns them
1360  *
1361  * FIXME: hide/show owned popups when owner visibility changes.
1362  */
1363 static HWND SWP_DoOwnedPopups(HWND hwnd, HWND hwndInsertAfter)
1364 {
1365     HWND owner = GetWindow( hwnd, GW_OWNER );
1366     LONG style = GetWindowLongW( hwnd, GWL_STYLE );
1367     struct move_owned_info info;
1368
1369     TRACE("(%p) hInsertAfter = %p\n", hwnd, hwndInsertAfter );
1370
1371     if ((style & WS_POPUP) && owner)
1372     {
1373         /* make sure this popup stays above the owner */
1374
1375         if( hwndInsertAfter != HWND_TOP )
1376         {
1377             HWND hwndLocalPrev = HWND_TOP;
1378             HWND prev = GetWindow( owner, GW_HWNDPREV );
1379
1380             while (prev && prev != hwndInsertAfter)
1381             {
1382                 if (hwndLocalPrev == HWND_TOP && GetWindowLongW( prev, GWL_STYLE ) & WS_VISIBLE)
1383                     hwndLocalPrev = prev;
1384                 prev = GetWindow( prev, GW_HWNDPREV );
1385             }
1386             if (!prev) hwndInsertAfter = hwndLocalPrev;
1387         }
1388     }
1389     else if (style & WS_CHILD) return hwndInsertAfter;
1390
1391     info.owner = hwnd;
1392     info.insert_after = hwndInsertAfter;
1393     EnumWindows( move_owned_popups, (LPARAM)&info );
1394     return info.insert_after;
1395 }
1396
1397 /***********************************************************************
1398  *           SWP_DoNCCalcSize
1399  */
1400 static UINT SWP_DoNCCalcSize( WINDOWPOS* pWinpos, const RECT* pNewWindowRect, RECT* pNewClientRect,
1401                               RECT *validRects )
1402 {
1403     UINT wvrFlags = 0;
1404     WND *wndPtr;
1405
1406     if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
1407
1408       /* Send WM_NCCALCSIZE message to get new client area */
1409     if( (pWinpos->flags & (SWP_FRAMECHANGED | SWP_NOSIZE)) != SWP_NOSIZE )
1410     {
1411         NCCALCSIZE_PARAMS params;
1412         WINDOWPOS winposCopy;
1413
1414         params.rgrc[0] = *pNewWindowRect;
1415         params.rgrc[1] = wndPtr->rectWindow;
1416         params.rgrc[2] = wndPtr->rectClient;
1417         params.lppos = &winposCopy;
1418         winposCopy = *pWinpos;
1419         WIN_ReleasePtr( wndPtr );
1420
1421         wvrFlags = SendMessageW( pWinpos->hwnd, WM_NCCALCSIZE, TRUE, (LPARAM)&params );
1422
1423         *pNewClientRect = params.rgrc[0];
1424
1425         if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
1426
1427         TRACE( "hwnd %p old win %s old client %s new win %s new client %s\n", pWinpos->hwnd,
1428                wine_dbgstr_rect(&wndPtr->rectWindow), wine_dbgstr_rect(&wndPtr->rectClient),
1429                wine_dbgstr_rect(pNewWindowRect), wine_dbgstr_rect(pNewClientRect) );
1430
1431         if( pNewClientRect->left != wndPtr->rectClient.left ||
1432             pNewClientRect->top != wndPtr->rectClient.top )
1433             pWinpos->flags &= ~SWP_NOCLIENTMOVE;
1434
1435         if( (pNewClientRect->right - pNewClientRect->left !=
1436              wndPtr->rectClient.right - wndPtr->rectClient.left))
1437             pWinpos->flags &= ~SWP_NOCLIENTSIZE;
1438         else
1439             wvrFlags &= ~WVR_HREDRAW;
1440
1441         if (pNewClientRect->bottom - pNewClientRect->top !=
1442              wndPtr->rectClient.bottom - wndPtr->rectClient.top)
1443             pWinpos->flags &= ~SWP_NOCLIENTSIZE;
1444         else
1445             wvrFlags &= ~WVR_VREDRAW;
1446
1447         validRects[0] = params.rgrc[1];
1448         validRects[1] = params.rgrc[2];
1449     }
1450     else
1451     {
1452         if (!(pWinpos->flags & SWP_NOMOVE) &&
1453             (pNewClientRect->left != wndPtr->rectClient.left ||
1454              pNewClientRect->top != wndPtr->rectClient.top))
1455             pWinpos->flags &= ~SWP_NOCLIENTMOVE;
1456     }
1457
1458     if (pWinpos->flags & (SWP_NOCOPYBITS | SWP_NOREDRAW | SWP_SHOWWINDOW | SWP_HIDEWINDOW))
1459     {
1460         SetRectEmpty( &validRects[0] );
1461         SetRectEmpty( &validRects[1] );
1462     }
1463     else get_valid_rects( &wndPtr->rectClient, pNewClientRect, wvrFlags, validRects );
1464
1465     WIN_ReleasePtr( wndPtr );
1466     return wvrFlags;
1467 }
1468
1469 /* fix redundant flags and values in the WINDOWPOS structure */
1470 static BOOL fixup_flags( WINDOWPOS *winpos )
1471 {
1472     HWND parent;
1473     WND *wndPtr = WIN_GetPtr( winpos->hwnd );
1474     BOOL ret = TRUE;
1475
1476     if (!wndPtr || wndPtr == WND_OTHER_PROCESS)
1477     {
1478         SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1479         return FALSE;
1480     }
1481     winpos->hwnd = wndPtr->hwndSelf;  /* make it a full handle */
1482
1483     /* Finally make sure that all coordinates are valid */
1484     if (winpos->x < -32768) winpos->x = -32768;
1485     else if (winpos->x > 32767) winpos->x = 32767;
1486     if (winpos->y < -32768) winpos->y = -32768;
1487     else if (winpos->y > 32767) winpos->y = 32767;
1488
1489     if (winpos->cx < 0) winpos->cx = 0;
1490     else if (winpos->cx > 32767) winpos->cx = 32767;
1491     if (winpos->cy < 0) winpos->cy = 0;
1492     else if (winpos->cy > 32767) winpos->cy = 32767;
1493
1494     parent = GetAncestor( winpos->hwnd, GA_PARENT );
1495     if (!IsWindowVisible( parent )) winpos->flags |= SWP_NOREDRAW;
1496
1497     if (wndPtr->dwStyle & WS_VISIBLE) winpos->flags &= ~SWP_SHOWWINDOW;
1498     else
1499     {
1500         winpos->flags &= ~SWP_HIDEWINDOW;
1501         if (!(winpos->flags & SWP_SHOWWINDOW)) winpos->flags |= SWP_NOREDRAW;
1502     }
1503
1504     if ((wndPtr->rectWindow.right - wndPtr->rectWindow.left == winpos->cx) &&
1505         (wndPtr->rectWindow.bottom - wndPtr->rectWindow.top == winpos->cy))
1506         winpos->flags |= SWP_NOSIZE;    /* Already the right size */
1507
1508     if ((wndPtr->rectWindow.left == winpos->x) && (wndPtr->rectWindow.top == winpos->y))
1509         winpos->flags |= SWP_NOMOVE;    /* Already the right position */
1510
1511     if ((wndPtr->dwStyle & (WS_POPUP | WS_CHILD)) != WS_CHILD)
1512     {
1513         if (!(winpos->flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW))) /* Bring to the top when activating */
1514         {
1515             winpos->flags &= ~SWP_NOZORDER;
1516             winpos->hwndInsertAfter = HWND_TOP;
1517         }
1518     }
1519
1520     /* Check hwndInsertAfter */
1521     if (winpos->flags & SWP_NOZORDER) goto done;
1522
1523     /* fix sign extension */
1524     if (winpos->hwndInsertAfter == (HWND)0xffff) winpos->hwndInsertAfter = HWND_TOPMOST;
1525     else if (winpos->hwndInsertAfter == (HWND)0xfffe) winpos->hwndInsertAfter = HWND_NOTOPMOST;
1526
1527       /* FIXME: TOPMOST not supported yet */
1528     if ((winpos->hwndInsertAfter == HWND_TOPMOST) ||
1529         (winpos->hwndInsertAfter == HWND_NOTOPMOST)) winpos->hwndInsertAfter = HWND_TOP;
1530
1531     /* hwndInsertAfter must be a sibling of the window */
1532     if (winpos->hwndInsertAfter == HWND_TOP)
1533     {
1534         if (GetWindow(winpos->hwnd, GW_HWNDFIRST) == winpos->hwnd)
1535             winpos->flags |= SWP_NOZORDER;
1536     }
1537     else if (winpos->hwndInsertAfter == HWND_BOTTOM)
1538     {
1539         if (GetWindow(winpos->hwnd, GW_HWNDLAST) == winpos->hwnd)
1540             winpos->flags |= SWP_NOZORDER;
1541     }
1542     else
1543     {
1544         if (GetAncestor( winpos->hwndInsertAfter, GA_PARENT ) != parent) ret = FALSE;
1545         else
1546         {
1547             /* don't need to change the Zorder of hwnd if it's already inserted
1548              * after hwndInsertAfter or when inserting hwnd after itself.
1549              */
1550             if ((winpos->hwnd == winpos->hwndInsertAfter) ||
1551                 (winpos->hwnd == GetWindow( winpos->hwndInsertAfter, GW_HWNDNEXT )))
1552                 winpos->flags |= SWP_NOZORDER;
1553         }
1554     }
1555  done:
1556     WIN_ReleasePtr( wndPtr );
1557     return ret;
1558 }
1559
1560 /***********************************************************************
1561  *              USER_SetWindowPos
1562  *
1563  *     User32 internal function
1564  */
1565 BOOL USER_SetWindowPos( WINDOWPOS * winpos )
1566 {
1567     RECT newWindowRect, newClientRect, valid_rects[2];
1568     UINT orig_flags;
1569
1570     orig_flags = winpos->flags;
1571
1572     /* First make sure that coordinates are valid for WM_WINDOWPOSCHANGING */
1573     if (!(winpos->flags & SWP_NOMOVE))
1574     {
1575         if (winpos->x < -32768) winpos->x = -32768;
1576         else if (winpos->x > 32767) winpos->x = 32767;
1577         if (winpos->y < -32768) winpos->y = -32768;
1578         else if (winpos->y > 32767) winpos->y = 32767;
1579     }
1580     if (!(winpos->flags & SWP_NOSIZE))
1581     {
1582         if (winpos->cx < 0) winpos->cx = 0;
1583         else if (winpos->cx > 32767) winpos->cx = 32767;
1584         if (winpos->cy < 0) winpos->cy = 0;
1585         else if (winpos->cy > 32767) winpos->cy = 32767;
1586     }
1587
1588     if (!SWP_DoWinPosChanging( winpos, &newWindowRect, &newClientRect )) return FALSE;
1589
1590     /* Fix redundant flags */
1591     if (!fixup_flags( winpos )) return FALSE;
1592
1593     if((winpos->flags & (SWP_NOZORDER | SWP_HIDEWINDOW | SWP_SHOWWINDOW)) != SWP_NOZORDER)
1594     {
1595         if (GetAncestor( winpos->hwnd, GA_PARENT ) == GetDesktopWindow())
1596             winpos->hwndInsertAfter = SWP_DoOwnedPopups( winpos->hwnd, winpos->hwndInsertAfter );
1597     }
1598
1599     /* Common operations */
1600
1601     SWP_DoNCCalcSize( winpos, &newWindowRect, &newClientRect, valid_rects );
1602
1603     if(!USER_Driver->pSetWindowPos( winpos->hwnd, winpos->hwndInsertAfter,
1604                             &newWindowRect, &newClientRect, orig_flags, valid_rects ))
1605         return FALSE;
1606
1607     /* Windows doesn't redraw a window if it is being just moved */
1608     if (!(orig_flags & SWP_SHOWWINDOW) &&
1609         (winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOGEOMETRYCHANGE)
1610     {
1611         UINT rdw_flags = RDW_FRAME | RDW_ERASE;
1612         if ( !(orig_flags & SWP_DEFERERASE) ) rdw_flags |= RDW_ERASENOW;
1613         RedrawWindow( winpos->hwnd, NULL, NULL, rdw_flags );
1614     }
1615
1616     if( winpos->flags & SWP_HIDEWINDOW )
1617         HideCaret(winpos->hwnd);
1618     else if (winpos->flags & SWP_SHOWWINDOW)
1619         ShowCaret(winpos->hwnd);
1620
1621     if (!(winpos->flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW)))
1622     {
1623         /* child windows get WM_CHILDACTIVATE message */
1624         if ((GetWindowLongW( winpos->hwnd, GWL_STYLE ) & (WS_CHILD | WS_POPUP)) == WS_CHILD)
1625             SendMessageW( winpos->hwnd, WM_CHILDACTIVATE, 0, 0 );
1626         else
1627             SetForegroundWindow( winpos->hwnd );
1628     }
1629
1630       /* And last, send the WM_WINDOWPOSCHANGED message */
1631
1632     TRACE("\tstatus flags = %04x\n", winpos->flags & SWP_AGG_STATUSFLAGS);
1633
1634     if (((winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOPOSCHANGE))
1635     {
1636         /* WM_WINDOWPOSCHANGED is sent even if SWP_NOSENDCHANGING is set
1637            and always contains final window position.
1638          */
1639         winpos->x = newWindowRect.left;
1640         winpos->y = newWindowRect.top;
1641         winpos->cx = newWindowRect.right - newWindowRect.left;
1642         winpos->cy = newWindowRect.bottom - newWindowRect.top;
1643         SendMessageW( winpos->hwnd, WM_WINDOWPOSCHANGED, 0, (LPARAM)winpos );
1644     }
1645     return TRUE;
1646 }
1647
1648 /***********************************************************************
1649  *              SetWindowPos (USER32.@)
1650  */
1651 BOOL WINAPI SetWindowPos( HWND hwnd, HWND hwndInsertAfter,
1652                           INT x, INT y, INT cx, INT cy, UINT flags )
1653 {
1654     WINDOWPOS winpos;
1655
1656     TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
1657           hwnd, hwndInsertAfter, x, y, cx, cy, flags);
1658     if(TRACE_ON(win)) dump_winpos_flags(flags);
1659
1660     if (is_broadcast(hwnd))
1661     {
1662         SetLastError( ERROR_INVALID_PARAMETER );
1663         return FALSE;
1664     }
1665
1666     winpos.hwnd = WIN_GetFullHandle(hwnd);
1667     winpos.hwndInsertAfter = WIN_GetFullHandle(hwndInsertAfter);
1668     winpos.x = x;
1669     winpos.y = y;
1670     winpos.cx = cx;
1671     winpos.cy = cy;
1672     winpos.flags = flags;
1673
1674     if (WIN_IsCurrentThread( hwnd ))
1675         return USER_SetWindowPos(&winpos);
1676
1677     return SendMessageW( winpos.hwnd, WM_WINE_SETWINDOWPOS, 0, (LPARAM)&winpos );
1678 }
1679
1680
1681 /***********************************************************************
1682  *              BeginDeferWindowPos (USER32.@)
1683  */
1684 HDWP WINAPI BeginDeferWindowPos( INT count )
1685 {
1686     HDWP handle;
1687     DWP *pDWP;
1688
1689     TRACE("%d\n", count);
1690
1691     if (count < 0)
1692     {
1693         SetLastError(ERROR_INVALID_PARAMETER);
1694         return 0;
1695     }
1696     /* Windows allows zero count, in which case it allocates context for 8 moves */
1697     if (count == 0) count = 8;
1698
1699     handle = USER_HEAP_ALLOC( sizeof(DWP) + (count-1)*sizeof(WINDOWPOS) );
1700     if (!handle) return 0;
1701     pDWP = (DWP *) USER_HEAP_LIN_ADDR( handle );
1702     pDWP->actualCount    = 0;
1703     pDWP->suggestedCount = count;
1704     pDWP->valid          = TRUE;
1705     pDWP->wMagic         = DWP_MAGIC;
1706     pDWP->hwndParent     = 0;
1707
1708     TRACE("returning hdwp %p\n", handle);
1709     return handle;
1710 }
1711
1712
1713 /***********************************************************************
1714  *              DeferWindowPos (USER32.@)
1715  */
1716 HDWP WINAPI DeferWindowPos( HDWP hdwp, HWND hwnd, HWND hwndAfter,
1717                                 INT x, INT y, INT cx, INT cy,
1718                                 UINT flags )
1719 {
1720     DWP *pDWP;
1721     int i;
1722     HDWP newhdwp = hdwp,retvalue;
1723
1724     TRACE("hdwp %p, hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
1725           hdwp, hwnd, hwndAfter, x, y, cx, cy, flags);
1726
1727     hwnd = WIN_GetFullHandle( hwnd );
1728     if (hwnd == GetDesktopWindow()) return 0;
1729
1730     if (!(pDWP = USER_HEAP_LIN_ADDR( hdwp ))) return 0;
1731
1732     USER_Lock();
1733
1734     for (i = 0; i < pDWP->actualCount; i++)
1735     {
1736         if (pDWP->winPos[i].hwnd == hwnd)
1737         {
1738               /* Merge with the other changes */
1739             if (!(flags & SWP_NOZORDER))
1740             {
1741                 pDWP->winPos[i].hwndInsertAfter = WIN_GetFullHandle(hwndAfter);
1742             }
1743             if (!(flags & SWP_NOMOVE))
1744             {
1745                 pDWP->winPos[i].x = x;
1746                 pDWP->winPos[i].y = y;
1747             }
1748             if (!(flags & SWP_NOSIZE))
1749             {
1750                 pDWP->winPos[i].cx = cx;
1751                 pDWP->winPos[i].cy = cy;
1752             }
1753             pDWP->winPos[i].flags &= flags | ~(SWP_NOSIZE | SWP_NOMOVE |
1754                                                SWP_NOZORDER | SWP_NOREDRAW |
1755                                                SWP_NOACTIVATE | SWP_NOCOPYBITS|
1756                                                SWP_NOOWNERZORDER);
1757             pDWP->winPos[i].flags |= flags & (SWP_SHOWWINDOW | SWP_HIDEWINDOW |
1758                                               SWP_FRAMECHANGED);
1759             retvalue = hdwp;
1760             goto END;
1761         }
1762     }
1763     if (pDWP->actualCount >= pDWP->suggestedCount)
1764     {
1765         newhdwp = USER_HEAP_REALLOC( hdwp,
1766                       sizeof(DWP) + pDWP->suggestedCount*sizeof(WINDOWPOS) );
1767         if (!newhdwp)
1768         {
1769             retvalue = 0;
1770             goto END;
1771         }
1772         pDWP = (DWP *) USER_HEAP_LIN_ADDR( newhdwp );
1773         pDWP->suggestedCount++;
1774     }
1775     pDWP->winPos[pDWP->actualCount].hwnd = hwnd;
1776     pDWP->winPos[pDWP->actualCount].hwndInsertAfter = hwndAfter;
1777     pDWP->winPos[pDWP->actualCount].x = x;
1778     pDWP->winPos[pDWP->actualCount].y = y;
1779     pDWP->winPos[pDWP->actualCount].cx = cx;
1780     pDWP->winPos[pDWP->actualCount].cy = cy;
1781     pDWP->winPos[pDWP->actualCount].flags = flags;
1782     pDWP->actualCount++;
1783     retvalue = newhdwp;
1784 END:
1785     USER_Unlock();
1786     return retvalue;
1787 }
1788
1789
1790 /***********************************************************************
1791  *              EndDeferWindowPos (USER32.@)
1792  */
1793 BOOL WINAPI EndDeferWindowPos( HDWP hdwp )
1794 {
1795     DWP *pDWP;
1796     WINDOWPOS *winpos;
1797     BOOL res = TRUE;
1798     int i;
1799
1800     TRACE("%p\n", hdwp);
1801
1802     pDWP = (DWP *) USER_HEAP_LIN_ADDR( hdwp );
1803     if (!pDWP) return FALSE;
1804     for (i = 0, winpos = pDWP->winPos; i < pDWP->actualCount; i++, winpos++)
1805     {
1806         TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
1807                winpos->hwnd, winpos->hwndInsertAfter, winpos->x, winpos->y,
1808                winpos->cx, winpos->cy, winpos->flags);
1809
1810         if (!(res = USER_SetWindowPos( winpos ))) break;
1811     }
1812     USER_HEAP_FREE( hdwp );
1813     return res;
1814 }
1815
1816
1817 /***********************************************************************
1818  *              TileChildWindows (USER.199)
1819  */
1820 void WINAPI TileChildWindows16( HWND16 parent, WORD action )
1821 {
1822     FIXME("(%04x, %d): stub\n", parent, action);
1823 }
1824
1825 /***********************************************************************
1826  *              CascadeChildWindows (USER.198)
1827  */
1828 void WINAPI CascadeChildWindows16( HWND16 parent, WORD action )
1829 {
1830     FIXME("(%04x, %d): stub\n", parent, action);
1831 }