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  *              ChildWindowFromPointEx (USER32.@)
 439  */
 440 HWND WINAPI ChildWindowFromPointEx( HWND hwndParent, POINT pt, UINT uFlags)
 441 {
 442     /* pt is in the client coordinates */
 443     HWND *list;
 444     int i;
 445     RECT rect;
 446     HWND retvalue;
 447
 448     GetClientRect( hwndParent, &rect );
 449     if (!PtInRect( &rect, pt )) return 0;
 450     if (!(list = WIN_ListChildren( hwndParent ))) return hwndParent;
 451
 452     for (i = 0; list[i]; i++)
 453     {
 454         if (!WIN_GetRectangles( list[i], &rect, NULL )) continue;
 455         if (!PtInRect( &rect, pt )) continue;
 456         if (uFlags & (CWP_SKIPINVISIBLE|CWP_SKIPDISABLED))
 457         {
 458             LONG style = GetWindowLongW( list[i], GWL_STYLE );
 459             if ((uFlags & CWP_SKIPINVISIBLE) && !(style & WS_VISIBLE)) continue;
 460             if ((uFlags & CWP_SKIPDISABLED) && (style & WS_DISABLED)) continue;
 461         }
 462         if (uFlags & CWP_SKIPTRANSPARENT)
 463         {
 464             if (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TRANSPARENT) continue;
 465         }
 466         break;
 467     }
 468     retvalue = list[i];
 469     HeapFree( GetProcessHeap(), 0, list );
 470     if (!retvalue) retvalue = hwndParent;
 471     return retvalue;
 472 }
 473
 474
 475 /*******************************************************************
 476  *         WINPOS_GetWinOffset
 477  *
 478  * Calculate the offset between the origin of the two windows. Used
 479  * to implement MapWindowPoints.
 480  */
 481 static void WINPOS_GetWinOffset( HWND hwndFrom, HWND hwndTo, POINT *offset )
 482 {
 483     WND * wndPtr;
 484
 485     offset->x = offset->y = 0;
 486
 487     /* Translate source window origin to screen coords */
 488     if (hwndFrom)
 489     {
 490         HWND hwnd = hwndFrom;
 491
 492         while (hwnd)
 493         {
 494             if (hwnd == hwndTo) return;
 495             if (!(wndPtr = WIN_GetPtr( hwnd )))
 496             {
 497                 ERR( "bad hwndFrom = %p\n", hwnd );
 498                 return;
 499             }
 500             if (wndPtr == WND_DESKTOP) break;
 501             if (wndPtr == WND_OTHER_PROCESS) goto other_process;
 502             offset->x += wndPtr->rectClient.left;
 503             offset->y += wndPtr->rectClient.top;
 504             hwnd = wndPtr->parent;
 505             WIN_ReleasePtr( wndPtr );
 506         }
 507     }
 508
 509     /* Translate origin to destination window coords */
 510     if (hwndTo)
 511     {
 512         HWND hwnd = hwndTo;
 513
 514         while (hwnd)
 515         {
 516             if (!(wndPtr = WIN_GetPtr( hwnd )))
 517             {
 518                 ERR( "bad hwndTo = %p\n", hwnd );
 519                 return;
 520             }
 521             if (wndPtr == WND_DESKTOP) break;
 522             if (wndPtr == WND_OTHER_PROCESS) goto other_process;
 523             offset->x -= wndPtr->rectClient.left;
 524             offset->y -= wndPtr->rectClient.top;
 525             hwnd = wndPtr->parent;
 526             WIN_ReleasePtr( wndPtr );
 527         }
 528     }
 529     return;
 530
 531  other_process:  /* one of the parents may belong to another process, do it the hard way */
 532     offset->x = offset->y = 0;
 533     SERVER_START_REQ( get_windows_offset )
 534     {
 535         req->from = hwndFrom;
 536         req->to   = hwndTo;
 537         if (!wine_server_call( req ))
 538         {
 539             offset->x = reply->x;
 540             offset->y = reply->y;
 541         }
 542     }
 543     SERVER_END_REQ;
 544 }
 545
 546
 547 /*******************************************************************
 548  *              MapWindowPoints (USER.258)
 549  */
 550 void WINAPI MapWindowPoints16( HWND16 hwndFrom, HWND16 hwndTo,
 551                                LPPOINT16 lppt, UINT16 count )
 552 {
 553     POINT offset;
 554
 555     WINPOS_GetWinOffset( WIN_Handle32(hwndFrom), WIN_Handle32(hwndTo), &offset );
 556     while (count--)
 557     {
 558         lppt->x += offset.x;
 559         lppt->y += offset.y;
 560         lppt++;
 561     }
 562 }
 563
 564
 565 /*******************************************************************
 566  *              MapWindowPoints (USER32.@)
 567  */
 568 INT WINAPI MapWindowPoints( HWND hwndFrom, HWND hwndTo, LPPOINT lppt, UINT count )
 569 {
 570     POINT offset;
 571
 572     WINPOS_GetWinOffset( hwndFrom, hwndTo, &offset );
 573     while (count--)
 574     {
 575         lppt->x += offset.x;
 576         lppt->y += offset.y;
 577         lppt++;
 578     }
 579     return MAKELONG( LOWORD(offset.x), LOWORD(offset.y) );
 580 }
 581
 582
 583 /***********************************************************************
 584  *              IsIconic (USER32.@)
 585  */
 586 BOOL WINAPI IsIconic(HWND hWnd)
 587 {
 588     return (GetWindowLongW( hWnd, GWL_STYLE ) & WS_MINIMIZE) != 0;
 589 }
 590
 591
 592 /***********************************************************************
 593  *              IsZoomed (USER32.@)
 594  */
 595 BOOL WINAPI IsZoomed(HWND hWnd)
 596 {
 597     return (GetWindowLongW( hWnd, GWL_STYLE ) & WS_MAXIMIZE) != 0;
 598 }
 599
 600
 601 /*******************************************************************
 602  *              AllowSetForegroundWindow (USER32.@)
 603  */
 604 BOOL WINAPI AllowSetForegroundWindow( DWORD procid )
 605 {
 606     /* FIXME: If Win98/2000 style SetForegroundWindow behavior is
 607      * implemented, then fix this function. */
 608     return TRUE;
 609 }
 610
 611
 612 /*******************************************************************
 613  *              LockSetForegroundWindow (USER32.@)
 614  */
 615 BOOL WINAPI LockSetForegroundWindow( UINT lockcode )
 616 {
 617     /* FIXME: If Win98/2000 style SetForegroundWindow behavior is
 618      * implemented, then fix this function. */
 619     return TRUE;
 620 }
 621
 622
 623 /***********************************************************************
 624  *              BringWindowToTop (USER32.@)
 625  */
 626 BOOL WINAPI BringWindowToTop( HWND hwnd )
 627 {
 628     return SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE );
 629 }
 630
 631
 632 /***********************************************************************
 633  *              MoveWindow (USER32.@)
 634  */
 635 BOOL WINAPI MoveWindow( HWND hwnd, INT x, INT y, INT cx, INT cy,
 636                             BOOL repaint )
 637 {
 638     int flags = SWP_NOZORDER | SWP_NOACTIVATE;
 639     if (!repaint) flags |= SWP_NOREDRAW;
 640     TRACE("%p %d,%d %dx%d %d\n", hwnd, x, y, cx, cy, repaint );
 641     return SetWindowPos( hwnd, 0, x, y, cx, cy, flags );
 642 }
 643
 644 /***********************************************************************
 645  *           WINPOS_InitInternalPos
 646  */
 647 static LPINTERNALPOS WINPOS_InitInternalPos( WND* wnd )
 648 {
 649     LPINTERNALPOS lpPos = get_internal_pos( wnd->hwndSelf );
 650     if( !lpPos )
 651     {
 652         /* this happens when the window is minimized/maximized
 653          * for the first time (rectWindow is not adjusted yet) */
 654
 655         lpPos = HeapAlloc( GetProcessHeap(), 0, sizeof(INTERNALPOS) );
 656         if( !lpPos ) return NULL;
 657
 658         set_internal_pos( wnd->hwndSelf, lpPos );
 659         lpPos->hwndIconTitle = 0; /* defer until needs to be shown */
 660         lpPos->rectNormal.left   = wnd->rectWindow.left;
 661         lpPos->rectNormal.top    = wnd->rectWindow.top;
 662         lpPos->rectNormal.right  = wnd->rectWindow.right;
 663         lpPos->rectNormal.bottom = wnd->rectWindow.bottom;
 664         lpPos->ptIconPos.x = lpPos->ptIconPos.y = -1;
 665         lpPos->ptMaxPos.x = lpPos->ptMaxPos.y = -1;
 666     }
 667
 668     if( wnd->dwStyle & WS_MINIMIZE )
 669     {
 670         lpPos->ptIconPos.x = wnd->rectWindow.left;
 671         lpPos->ptIconPos.y = wnd->rectWindow.top;
 672     }
 673     else if( wnd->dwStyle & WS_MAXIMIZE )
 674     {
 675         lpPos->ptMaxPos.x = wnd->rectWindow.left;
 676         lpPos->ptMaxPos.y = wnd->rectWindow.top;
 677     }
 678     else
 679     {
 680         lpPos->rectNormal.left   = wnd->rectWindow.left;
 681         lpPos->rectNormal.top    = wnd->rectWindow.top;
 682         lpPos->rectNormal.right  = wnd->rectWindow.right;
 683         lpPos->rectNormal.bottom = wnd->rectWindow.bottom;
 684     }
 685     return lpPos;
 686 }
 687
 688 /***********************************************************************
 689  *           WINPOS_RedrawIconTitle
 690  */
 691 BOOL WINPOS_RedrawIconTitle( HWND hWnd )
 692 {
 693     LPINTERNALPOS lpPos = get_internal_pos( hWnd );
 694     if( lpPos )
 695     {
 696         if( lpPos->hwndIconTitle )
 697         {
 698             SendMessageW( lpPos->hwndIconTitle, WM_SHOWWINDOW, TRUE, 0);
 699             InvalidateRect( lpPos->hwndIconTitle, NULL, TRUE );
 700             return TRUE;
 701         }
 702     }
 703     return FALSE;
 704 }
 705
 706 /***********************************************************************
 707  *           WINPOS_ShowIconTitle
 708  */
 709 BOOL WINPOS_ShowIconTitle( HWND hwnd, BOOL bShow )
 710 {
 711     LPINTERNALPOS lpPos = get_internal_pos( hwnd );
 712
 713     if (lpPos && !GetPropA( hwnd, "__wine_x11_managed" ))
 714     {
 715         HWND title = lpPos->hwndIconTitle;
 716
 717         TRACE("%p %i\n", hwnd, (bShow != 0) );
 718
 719         if( !title )
 720             lpPos->hwndIconTitle = title = ICONTITLE_Create( hwnd );
 721         if( bShow )
 722         {
 723             if (!IsWindowVisible(title))
 724             {
 725                 SendMessageW( title, WM_SHOWWINDOW, TRUE, 0 );
 726                 SetWindowPos( title, 0, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE |
 727                               SWP_NOACTIVATE | SWP_NOZORDER | SWP_SHOWWINDOW );
 728             }
 729         }
 730         else ShowWindow( title, SW_HIDE );
 731     }
 732     return FALSE;
 733 }
 734
 735 /*******************************************************************
 736  *           WINPOS_GetMinMaxInfo
 737  *
 738  * Get the minimized and maximized information for a window.
 739  */
 740 void WINPOS_GetMinMaxInfo( HWND hwnd, POINT *maxSize, POINT *maxPos,
 741                            POINT *minTrack, POINT *maxTrack )
 742 {
 743     LPINTERNALPOS lpPos;
 744     MINMAXINFO MinMax;
 745     HMONITOR monitor;
 746     INT xinc, yinc;
 747     LONG style = GetWindowLongA( hwnd, GWL_STYLE );
 748     LONG exstyle = GetWindowLongA( hwnd, GWL_EXSTYLE );
 749     RECT rc;
 750
 751     /* Compute default values */
 752
 753     GetWindowRect(hwnd, &rc);
 754     MinMax.ptReserved.x = rc.left;
 755     MinMax.ptReserved.y = rc.top;
 756
 757     if (style & WS_CHILD)
 758     {
 759         if ((style & WS_CAPTION) == WS_CAPTION)
 760             style &= ~WS_BORDER; /* WS_CAPTION = WS_DLGFRAME | WS_BORDER */
 761
 762         GetClientRect(GetAncestor(hwnd,GA_PARENT), &rc);
 763         AdjustWindowRectEx(&rc, style, ((style & WS_POPUP) && GetMenu(hwnd)), exstyle);
 764
 765         /* avoid calculating this twice */
 766         style &= ~(WS_DLGFRAME | WS_BORDER | WS_THICKFRAME);
 767
 768         MinMax.ptMaxSize.x = rc.right - rc.left;
 769         MinMax.ptMaxSize.y = rc.bottom - rc.top;
 770     }
 771     else
 772     {
 773         MinMax.ptMaxSize.x = GetSystemMetrics(SM_CXSCREEN);
 774         MinMax.ptMaxSize.y = GetSystemMetrics(SM_CYSCREEN);
 775     }
 776     MinMax.ptMinTrackSize.x = GetSystemMetrics(SM_CXMINTRACK);
 777     MinMax.ptMinTrackSize.y = GetSystemMetrics(SM_CYMINTRACK);
 778     MinMax.ptMaxTrackSize.x = GetSystemMetrics(SM_CXMAXTRACK);
 779     MinMax.ptMaxTrackSize.y = GetSystemMetrics(SM_CYMAXTRACK);
 780
 781     if (HAS_DLGFRAME( style, exstyle ))
 782     {
 783         xinc = GetSystemMetrics(SM_CXDLGFRAME);
 784         yinc = GetSystemMetrics(SM_CYDLGFRAME);
 785     }
 786     else
 787     {
 788         xinc = yinc = 0;
 789         if (HAS_THICKFRAME(style))
 790         {
 791             xinc += GetSystemMetrics(SM_CXFRAME);
 792             yinc += GetSystemMetrics(SM_CYFRAME);
 793         }
 794         if (style & WS_BORDER)
 795         {
 796             xinc += GetSystemMetrics(SM_CXBORDER);
 797             yinc += GetSystemMetrics(SM_CYBORDER);
 798         }
 799     }
 800     MinMax.ptMaxSize.x += 2 * xinc;
 801     MinMax.ptMaxSize.y += 2 * yinc;
 802
 803     lpPos = get_internal_pos( hwnd );
 804     if( lpPos && !EMPTYPOINT(lpPos->ptMaxPos) )
 805     {
 806         MinMax.ptMaxPosition.x = lpPos->ptMaxPos.x;
 807         MinMax.ptMaxPosition.y = lpPos->ptMaxPos.y;
 808     }
 809     else
 810     {
 811         MinMax.ptMaxPosition.x = -xinc;
 812         MinMax.ptMaxPosition.y = -yinc;
 813     }
 814
 815     SendMessageW( hwnd, WM_GETMINMAXINFO, 0, (LPARAM)&MinMax );
 816
 817     /* if the app didn't change the values, adapt them for the current monitor */
 818
 819     if ((monitor = MonitorFromWindow( hwnd, MONITOR_DEFAULTTOPRIMARY )))
 820     {
 821         MONITORINFO mon_info;
 822
 823         mon_info.cbSize = sizeof(mon_info);
 824         GetMonitorInfoW( monitor, &mon_info );
 825
 826         if (MinMax.ptMaxSize.x == GetSystemMetrics(SM_CXSCREEN) + 2 * xinc &&
 827             MinMax.ptMaxSize.y == GetSystemMetrics(SM_CYSCREEN) + 2 * yinc)
 828         {
 829             MinMax.ptMaxSize.x = (mon_info.rcWork.right - mon_info.rcWork.left) + 2 * xinc;
 830             MinMax.ptMaxSize.y = (mon_info.rcWork.bottom - mon_info.rcWork.top) + 2 * yinc;
 831         }
 832         if (MinMax.ptMaxPosition.x == -xinc && MinMax.ptMaxPosition.y == -yinc)
 833         {
 834             MinMax.ptMaxPosition.x = mon_info.rcWork.left - xinc;
 835             MinMax.ptMaxPosition.y = mon_info.rcWork.top - yinc;
 836         }
 837     }
 838
 839       /* Some sanity checks */
 840
 841     TRACE("%d %d / %d %d / %d %d / %d %d\n",
 842                       MinMax.ptMaxSize.x, MinMax.ptMaxSize.y,
 843                       MinMax.ptMaxPosition.x, MinMax.ptMaxPosition.y,
 844                       MinMax.ptMaxTrackSize.x, MinMax.ptMaxTrackSize.y,
 845                       MinMax.ptMinTrackSize.x, MinMax.ptMinTrackSize.y);
 846     MinMax.ptMaxTrackSize.x = max( MinMax.ptMaxTrackSize.x,
 847                                    MinMax.ptMinTrackSize.x );
 848     MinMax.ptMaxTrackSize.y = max( MinMax.ptMaxTrackSize.y,
 849                                    MinMax.ptMinTrackSize.y );
 850
 851     if (maxSize) *maxSize = MinMax.ptMaxSize;
 852     if (maxPos) *maxPos = MinMax.ptMaxPosition;
 853     if (minTrack) *minTrack = MinMax.ptMinTrackSize;
 854     if (maxTrack) *maxTrack = MinMax.ptMaxTrackSize;
 855 }
 856
 857 /***********************************************************************
 858  *              ShowWindowAsync (USER32.@)
 859  *
 860  * doesn't wait; returns immediately.
 861  * used by threads to toggle windows in other (possibly hanging) threads
 862  */
 863 BOOL WINAPI ShowWindowAsync( HWND hwnd, INT cmd )
 864 {
 865     HWND full_handle;
 866
 867     if (is_broadcast(hwnd))
 868     {
 869         SetLastError( ERROR_INVALID_PARAMETER );
 870         return FALSE;
 871     }
 872
 873     if ((full_handle = WIN_IsCurrentThread( hwnd )))
 874         return USER_Driver->pShowWindow( full_handle, cmd );
 875
 876     return SendNotifyMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
 877 }
 878
 879
 880 /***********************************************************************
 881  *              ShowWindow (USER32.@)
 882  */
 883 BOOL WINAPI ShowWindow( HWND hwnd, INT cmd )
 884 {
 885     HWND full_handle;
 886
 887     if (is_broadcast(hwnd))
 888     {
 889         SetLastError( ERROR_INVALID_PARAMETER );
 890         return FALSE;
 891     }
 892     if ((full_handle = WIN_IsCurrentThread( hwnd )))
 893         return USER_Driver->pShowWindow( full_handle, cmd );
 894
 895     return SendMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
 896 }
 897
 898
 899 /***********************************************************************
 900  *              GetInternalWindowPos (USER32.@)
 901  */
 902 UINT WINAPI GetInternalWindowPos( HWND hwnd, LPRECT rectWnd,
 903                                       LPPOINT ptIcon )
 904 {
 905     WINDOWPLACEMENT wndpl;
 906     if (GetWindowPlacement( hwnd, &wndpl ))
 907     {
 908         if (rectWnd) *rectWnd = wndpl.rcNormalPosition;
 909         if (ptIcon)  *ptIcon = wndpl.ptMinPosition;
 910         return wndpl.showCmd;
 911     }
 912     return 0;
 913 }
 914
 915
 916 /***********************************************************************
 917  *              GetWindowPlacement (USER32.@)
 918  *
 919  * Win95:
 920  * Fails if wndpl->length of Win95 (!) apps is invalid.
 921  */
 922 BOOL WINAPI GetWindowPlacement( HWND hwnd, WINDOWPLACEMENT *wndpl )
 923 {
 924     WND *pWnd = WIN_GetPtr( hwnd );
 925     LPINTERNALPOS lpPos;
 926
 927     if (!pWnd || pWnd == WND_DESKTOP) return FALSE;
 928     if (pWnd == WND_OTHER_PROCESS)
 929     {
 930         if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
 931         return FALSE;
 932     }
 933
 934     lpPos = WINPOS_InitInternalPos( pWnd );
 935     wndpl->length  = sizeof(*wndpl);
 936     if( pWnd->dwStyle & WS_MINIMIZE )
 937         wndpl->showCmd = SW_SHOWMINIMIZED;
 938     else
 939         wndpl->showCmd = ( pWnd->dwStyle & WS_MAXIMIZE ) ? SW_SHOWMAXIMIZED : SW_SHOWNORMAL ;
 940     if( pWnd->flags & WIN_RESTORE_MAX )
 941         wndpl->flags = WPF_RESTORETOMAXIMIZED;
 942     else
 943         wndpl->flags = 0;
 944     wndpl->ptMinPosition.x = lpPos->ptIconPos.x;
 945     wndpl->ptMinPosition.y = lpPos->ptIconPos.y;
 946     wndpl->ptMaxPosition.x = lpPos->ptMaxPos.x;
 947     wndpl->ptMaxPosition.y = lpPos->ptMaxPos.y;
 948     wndpl->rcNormalPosition.left   = lpPos->rectNormal.left;
 949     wndpl->rcNormalPosition.top    = lpPos->rectNormal.top;
 950     wndpl->rcNormalPosition.right  = lpPos->rectNormal.right;
 951     wndpl->rcNormalPosition.bottom = lpPos->rectNormal.bottom;
 952     WIN_ReleasePtr( pWnd );
 953     return TRUE;
 954 }
 955
 956
 957 /***********************************************************************
 958  *           WINPOS_SetPlacement
 959  */
 960 static BOOL WINPOS_SetPlacement( HWND hwnd, const WINDOWPLACEMENT *wndpl, UINT flags )
 961 {
 962     LPINTERNALPOS lpPos;
 963     DWORD style;
 964     WND *pWnd = WIN_GetPtr( hwnd );
 965
 966     if (!pWnd || pWnd == WND_OTHER_PROCESS || pWnd == WND_DESKTOP) return FALSE;
 967     lpPos = WINPOS_InitInternalPos( pWnd );
 968
 969     if( flags & PLACE_MIN )
 970     {
 971         lpPos->ptIconPos.x = wndpl->ptMinPosition.x;
 972         lpPos->ptIconPos.y = wndpl->ptMinPosition.y;
 973     }
 974     if( flags & PLACE_MAX )
 975     {
 976         lpPos->ptMaxPos.x = wndpl->ptMaxPosition.x;
 977         lpPos->ptMaxPos.y = wndpl->ptMaxPosition.y;
 978     }
 979     if( flags & PLACE_RECT)
 980     {
 981         lpPos->rectNormal.left   = wndpl->rcNormalPosition.left;
 982         lpPos->rectNormal.top    = wndpl->rcNormalPosition.top;
 983         lpPos->rectNormal.right  = wndpl->rcNormalPosition.right;
 984         lpPos->rectNormal.bottom = wndpl->rcNormalPosition.bottom;
 985     }
 986
 987     style = pWnd->dwStyle;
 988     WIN_ReleasePtr( pWnd );
 989
 990     if( style & WS_MINIMIZE )
 991     {
 992         WINPOS_ShowIconTitle( hwnd, FALSE );
 993         if( wndpl->flags & WPF_SETMINPOSITION && !EMPTYPOINT(lpPos->ptIconPos))
 994             SetWindowPos( hwnd, 0, lpPos->ptIconPos.x, lpPos->ptIconPos.y,
 995                           0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
 996     }
 997     else if( style & WS_MAXIMIZE )
 998     {
 999         if( !EMPTYPOINT(lpPos->ptMaxPos) )
1000             SetWindowPos( hwnd, 0, lpPos->ptMaxPos.x, lpPos->ptMaxPos.y,
1001                           0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
1002     }
1003     else if( flags & PLACE_RECT )
1004         SetWindowPos( hwnd, 0, lpPos->rectNormal.left, lpPos->rectNormal.top,
1005                       lpPos->rectNormal.right - lpPos->rectNormal.left,
1006                       lpPos->rectNormal.bottom - lpPos->rectNormal.top,
1007                       SWP_NOZORDER | SWP_NOACTIVATE );
1008
1009     ShowWindow( hwnd, wndpl->showCmd );
1010
1011     if (IsIconic( hwnd ))
1012     {
1013         if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE) WINPOS_ShowIconTitle( hwnd, TRUE );
1014
1015         /* SDK: ...valid only the next time... */
1016         if( wndpl->flags & WPF_RESTORETOMAXIMIZED )
1017         {
1018             pWnd = WIN_GetPtr( hwnd );
1019             if (pWnd && pWnd != WND_OTHER_PROCESS)
1020             {
1021                 pWnd->flags |= WIN_RESTORE_MAX;
1022                 WIN_ReleasePtr( pWnd );
1023             }
1024         }
1025     }
1026     return TRUE;
1027 }
1028
1029
1030 /***********************************************************************
1031  *              SetWindowPlacement (USER32.@)
1032  *
1033  * Win95:
1034  * Fails if wndpl->length of Win95 (!) apps is invalid.
1035  */
1036 BOOL WINAPI SetWindowPlacement( HWND hwnd, const WINDOWPLACEMENT *wpl )
1037 {
1038     if (!wpl) return FALSE;
1039     return WINPOS_SetPlacement( hwnd, wpl, PLACE_MIN | PLACE_MAX | PLACE_RECT );
1040 }
1041
1042
1043 /***********************************************************************
1044  *              AnimateWindow (USER32.@)
1045  *              Shows/Hides a window with an animation
1046  *              NO ANIMATION YET
1047  */
1048 BOOL WINAPI AnimateWindow(HWND hwnd, DWORD dwTime, DWORD dwFlags)
1049 {
1050         FIXME("partial stub\n");
1051
1052         /* If trying to show/hide and it's already   *
1053          * shown/hidden or invalid window, fail with *
1054          * invalid parameter                         */
1055         if(!IsWindow(hwnd) ||
1056            (IsWindowVisible(hwnd) && !(dwFlags & AW_HIDE)) ||
1057            (!IsWindowVisible(hwnd) && (dwFlags & AW_HIDE)))
1058         {
1059                 SetLastError(ERROR_INVALID_PARAMETER);
1060                 return FALSE;
1061         }
1062
1063         ShowWindow(hwnd, (dwFlags & AW_HIDE) ? SW_HIDE : ((dwFlags & AW_ACTIVATE) ? SW_SHOW : SW_SHOWNA));
1064
1065         return TRUE;
1066 }
1067
1068 /***********************************************************************
1069  *              SetInternalWindowPos (USER32.@)
1070  */
1071 void WINAPI SetInternalWindowPos( HWND hwnd, UINT showCmd,
1072                                     LPRECT rect, LPPOINT pt )
1073 {
1074     if( IsWindow(hwnd) )
1075     {
1076         WINDOWPLACEMENT wndpl;
1077         UINT flags;
1078
1079         wndpl.length  = sizeof(wndpl);
1080         wndpl.showCmd = showCmd;
1081         wndpl.flags = flags = 0;
1082
1083         if( pt )
1084         {
1085             flags |= PLACE_MIN;
1086             wndpl.flags |= WPF_SETMINPOSITION;
1087             wndpl.ptMinPosition = *pt;
1088         }
1089         if( rect )
1090         {
1091             flags |= PLACE_RECT;
1092             wndpl.rcNormalPosition = *rect;
1093         }
1094         WINPOS_SetPlacement( hwnd, &wndpl, flags );
1095     }
1096 }
1097
1098
1099 /*******************************************************************
1100  *         can_activate_window
1101  *
1102  * Check if we can activate the specified window.
1103  */
1104 static BOOL can_activate_window( HWND hwnd )
1105 {
1106     LONG style;
1107
1108     if (!hwnd) return FALSE;
1109     style = GetWindowLongW( hwnd, GWL_STYLE );
1110     if (!(style & WS_VISIBLE)) return FALSE;
1111     if ((style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return FALSE;
1112     return !(style & WS_DISABLED);
1113 }
1114
1115
1116 /*******************************************************************
1117  *         WINPOS_ActivateOtherWindow
1118  *
1119  *  Activates window other than pWnd.
1120  */
1121 void WINPOS_ActivateOtherWindow(HWND hwnd)
1122 {
1123     HWND hwndTo, fg;
1124
1125     if ((GetWindowLongW( hwnd, GWL_STYLE ) & WS_POPUP) && (hwndTo = GetWindow( hwnd, GW_OWNER )))
1126     {
1127         hwndTo = GetAncestor( hwndTo, GA_ROOT );
1128         if (can_activate_window( hwndTo )) goto done;
1129     }
1130
1131     hwndTo = hwnd;
1132     for (;;)
1133     {
1134         if (!(hwndTo = GetWindow( hwndTo, GW_HWNDNEXT ))) break;
1135         if (can_activate_window( hwndTo )) break;
1136     }
1137
1138  done:
1139     fg = GetForegroundWindow();
1140     TRACE("win = %p fg = %p\n", hwndTo, fg);
1141     if (!fg || (hwnd == fg))
1142     {
1143         if (SetForegroundWindow( hwndTo )) return;
1144     }
1145     if (!SetActiveWindow( hwndTo )) SetActiveWindow(0);
1146 }
1147
1148
1149 /***********************************************************************
1150  *           WINPOS_HandleWindowPosChanging
1151  *
1152  * Default handling for a WM_WINDOWPOSCHANGING. Called from DefWindowProc().
1153  */
1154 LONG WINPOS_HandleWindowPosChanging( HWND hwnd, WINDOWPOS *winpos )
1155 {
1156     POINT minTrack, maxTrack;
1157     LONG style = GetWindowLongW( hwnd, GWL_STYLE );
1158
1159     if (winpos->flags & SWP_NOSIZE) return 0;
1160     if ((style & WS_THICKFRAME) || ((style & (WS_POPUP | WS_CHILD)) == 0))
1161     {
1162         WINPOS_GetMinMaxInfo( hwnd, NULL, NULL, &minTrack, &maxTrack );
1163         if (winpos->cx > maxTrack.x) winpos->cx = maxTrack.x;
1164         if (winpos->cy > maxTrack.y) winpos->cy = maxTrack.y;
1165         if (!(style & WS_MINIMIZE))
1166         {
1167             if (winpos->cx < minTrack.x ) winpos->cx = minTrack.x;
1168             if (winpos->cy < minTrack.y ) winpos->cy = minTrack.y;
1169         }
1170     }
1171     return 0;
1172 }
1173
1174
1175 /***********************************************************************
1176  *           dump_winpos_flags
1177  */
1178 static void dump_winpos_flags(UINT flags)
1179 {
1180     TRACE("flags:");
1181     if(flags & SWP_NOSIZE) TRACE(" SWP_NOSIZE");
1182     if(flags & SWP_NOMOVE) TRACE(" SWP_NOMOVE");
1183     if(flags & SWP_NOZORDER) TRACE(" SWP_NOZORDER");
1184     if(flags & SWP_NOREDRAW) TRACE(" SWP_NOREDRAW");
1185     if(flags & SWP_NOACTIVATE) TRACE(" SWP_NOACTIVATE");
1186     if(flags & SWP_FRAMECHANGED) TRACE(" SWP_FRAMECHANGED");
1187     if(flags & SWP_SHOWWINDOW) TRACE(" SWP_SHOWWINDOW");
1188     if(flags & SWP_HIDEWINDOW) TRACE(" SWP_HIDEWINDOW");
1189     if(flags & SWP_NOCOPYBITS) TRACE(" SWP_NOCOPYBITS");
1190     if(flags & SWP_NOOWNERZORDER) TRACE(" SWP_NOOWNERZORDER");
1191     if(flags & SWP_NOSENDCHANGING) TRACE(" SWP_NOSENDCHANGING");
1192     if(flags & SWP_DEFERERASE) TRACE(" SWP_DEFERERASE");
1193     if(flags & SWP_ASYNCWINDOWPOS) TRACE(" SWP_ASYNCWINDOWPOS");
1194
1195 #define DUMPED_FLAGS \
1196     (SWP_NOSIZE | \
1197     SWP_NOMOVE | \
1198     SWP_NOZORDER | \
1199     SWP_NOREDRAW | \
1200     SWP_NOACTIVATE | \
1201     SWP_FRAMECHANGED | \
1202     SWP_SHOWWINDOW | \
1203     SWP_HIDEWINDOW | \
1204     SWP_NOCOPYBITS | \
1205     SWP_NOOWNERZORDER | \
1206     SWP_NOSENDCHANGING | \
1207     SWP_DEFERERASE | \
1208     SWP_ASYNCWINDOWPOS)
1209
1210     if(flags & ~DUMPED_FLAGS) TRACE(" %08x", flags & ~DUMPED_FLAGS);
1211     TRACE("\n");
1212 #undef DUMPED_FLAGS
1213 }
1214
1215 /***********************************************************************
1216  *           SWP_DoWinPosChanging
1217  */
1218 static BOOL SWP_DoWinPosChanging( WINDOWPOS* pWinpos, RECT* pNewWindowRect, RECT* pNewClientRect )
1219 {
1220     WND *wndPtr;
1221
1222     /* Send WM_WINDOWPOSCHANGING message */
1223
1224     if (!(pWinpos->flags & SWP_NOSENDCHANGING))
1225         SendMessageW( pWinpos->hwnd, WM_WINDOWPOSCHANGING, 0, (LPARAM)pWinpos );
1226
1227     if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) ||
1228         wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
1229
1230     /* Calculate new position and size */
1231
1232     *pNewWindowRect = wndPtr->rectWindow;
1233     *pNewClientRect = (wndPtr->dwStyle & WS_MINIMIZE) ? wndPtr->rectWindow
1234                                                     : wndPtr->rectClient;
1235
1236     if (!(pWinpos->flags & SWP_NOSIZE))
1237     {
1238         pNewWindowRect->right  = pNewWindowRect->left + pWinpos->cx;
1239         pNewWindowRect->bottom = pNewWindowRect->top + pWinpos->cy;
1240     }
1241     if (!(pWinpos->flags & SWP_NOMOVE))
1242     {
1243         pNewWindowRect->left    = pWinpos->x;
1244         pNewWindowRect->top     = pWinpos->y;
1245         pNewWindowRect->right  += pWinpos->x - wndPtr->rectWindow.left;
1246         pNewWindowRect->bottom += pWinpos->y - wndPtr->rectWindow.top;
1247
1248         OffsetRect( pNewClientRect, pWinpos->x - wndPtr->rectWindow.left,
1249                                     pWinpos->y - wndPtr->rectWindow.top );
1250     }
1251     pWinpos->flags |= SWP_NOCLIENTMOVE | SWP_NOCLIENTSIZE;
1252
1253     TRACE( "hwnd %p, after %p, swp %d,%d %dx%d flags %08x\n",
1254            pWinpos->hwnd, pWinpos->hwndInsertAfter, pWinpos->x, pWinpos->y,
1255            pWinpos->cx, pWinpos->cy, pWinpos->flags );
1256     TRACE( "current %s style %08x new %s\n",
1257            wine_dbgstr_rect( &wndPtr->rectWindow ), wndPtr->dwStyle,
1258            wine_dbgstr_rect( pNewWindowRect ));
1259
1260     WIN_ReleasePtr( wndPtr );
1261     return TRUE;
1262 }
1263
1264 /***********************************************************************
1265  *           get_valid_rects
1266  *
1267  * Compute the valid rects from the old and new client rect and WVR_* flags.
1268  * Helper for WM_NCCALCSIZE handling.
1269  */
1270 static inline void get_valid_rects( const RECT *old_client, const RECT *new_client, UINT flags,
1271                                     RECT *valid )
1272 {
1273     int cx, cy;
1274
1275     if (flags & WVR_REDRAW)
1276     {
1277         SetRectEmpty( &valid[0] );
1278         SetRectEmpty( &valid[1] );
1279         return;
1280     }
1281
1282     if (flags & WVR_VALIDRECTS)
1283     {
1284         if (!IntersectRect( &valid[0], &valid[0], new_client ) ||
1285             !IntersectRect( &valid[1], &valid[1], old_client ))
1286         {
1287             SetRectEmpty( &valid[0] );
1288             SetRectEmpty( &valid[1] );
1289             return;
1290         }
1291         flags = WVR_ALIGNLEFT | WVR_ALIGNTOP;
1292     }
1293     else
1294     {
1295         valid[0] = *new_client;
1296         valid[1] = *old_client;
1297     }
1298
1299     /* make sure the rectangles have the same size */
1300     cx = min( valid[0].right - valid[0].left, valid[1].right - valid[1].left );
1301     cy = min( valid[0].bottom - valid[0].top, valid[1].bottom - valid[1].top );
1302
1303     if (flags & WVR_ALIGNBOTTOM)
1304     {
1305         valid[0].top = valid[0].bottom - cy;
1306         valid[1].top = valid[1].bottom - cy;
1307     }
1308     else
1309     {
1310         valid[0].bottom = valid[0].top + cy;
1311         valid[1].bottom = valid[1].top + cy;
1312     }
1313     if (flags & WVR_ALIGNRIGHT)
1314     {
1315         valid[0].left = valid[0].right - cx;
1316         valid[1].left = valid[1].right - cx;
1317     }
1318     else
1319     {
1320         valid[0].right = valid[0].left + cx;
1321         valid[1].right = valid[1].left + cx;
1322     }
1323 }
1324
1325 struct move_owned_info
1326 {
1327     HWND owner;
1328     HWND insert_after;
1329 };
1330
1331 static BOOL CALLBACK move_owned_popups( HWND hwnd, LPARAM lparam )
1332 {
1333     struct move_owned_info *info = (struct move_owned_info *)lparam;
1334
1335     if (hwnd == info->owner) return FALSE;
1336     if ((GetWindowLongW( hwnd, GWL_STYLE ) & WS_POPUP) &&
1337         GetWindow( hwnd, GW_OWNER ) == info->owner)
1338     {
1339         SetWindowPos( hwnd, info->insert_after, 0, 0, 0, 0,
1340                       SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE |
1341                       SWP_NOSENDCHANGING | SWP_DEFERERASE );
1342         info->insert_after = hwnd;
1343     }
1344     return TRUE;
1345 }
1346
1347 /***********************************************************************
1348  *           SWP_DoOwnedPopups
1349  *
1350  * fix Z order taking into account owned popups -
1351  * basically we need to maintain them above the window that owns them
1352  *
1353  * FIXME: hide/show owned popups when owner visibility changes.
1354  */
1355 static HWND SWP_DoOwnedPopups(HWND hwnd, HWND hwndInsertAfter)
1356 {
1357     HWND owner = GetWindow( hwnd, GW_OWNER );
1358     LONG style = GetWindowLongW( hwnd, GWL_STYLE );
1359     struct move_owned_info info;
1360
1361     TRACE("(%p) hInsertAfter = %p\n", hwnd, hwndInsertAfter );
1362
1363     if ((style & WS_POPUP) && owner)
1364     {
1365         /* make sure this popup stays above the owner */
1366
1367         if( hwndInsertAfter != HWND_TOP )
1368         {
1369             HWND hwndLocalPrev = HWND_TOP;
1370             HWND prev = GetWindow( owner, GW_HWNDPREV );
1371
1372             while (prev && prev != hwndInsertAfter)
1373             {
1374                 if (hwndLocalPrev == HWND_TOP && GetWindowLongW( prev, GWL_STYLE ) & WS_VISIBLE)
1375                     hwndLocalPrev = prev;
1376                 prev = GetWindow( prev, GW_HWNDPREV );
1377             }
1378             if (!prev) hwndInsertAfter = hwndLocalPrev;
1379         }
1380     }
1381     else if (style & WS_CHILD) return hwndInsertAfter;
1382
1383     info.owner = hwnd;
1384     info.insert_after = hwndInsertAfter;
1385     EnumWindows( move_owned_popups, (LPARAM)&info );
1386     return info.insert_after;
1387 }
1388
1389 /***********************************************************************
1390  *           SWP_DoNCCalcSize
1391  */
1392 static UINT SWP_DoNCCalcSize( WINDOWPOS* pWinpos, const RECT* pNewWindowRect, RECT* pNewClientRect,
1393                               RECT *validRects )
1394 {
1395     UINT wvrFlags = 0;
1396     WND *wndPtr;
1397
1398     if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
1399
1400       /* Send WM_NCCALCSIZE message to get new client area */
1401     if( (pWinpos->flags & (SWP_FRAMECHANGED | SWP_NOSIZE)) != SWP_NOSIZE )
1402     {
1403         NCCALCSIZE_PARAMS params;
1404         WINDOWPOS winposCopy;
1405
1406         params.rgrc[0] = *pNewWindowRect;
1407         params.rgrc[1] = wndPtr->rectWindow;
1408         params.rgrc[2] = wndPtr->rectClient;
1409         params.lppos = &winposCopy;
1410         winposCopy = *pWinpos;
1411         WIN_ReleasePtr( wndPtr );
1412
1413         wvrFlags = SendMessageW( pWinpos->hwnd, WM_NCCALCSIZE, TRUE, (LPARAM)&params );
1414
1415         *pNewClientRect = params.rgrc[0];
1416
1417         if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
1418
1419         TRACE( "hwnd %p old win %s old client %s new win %s new client %s\n", pWinpos->hwnd,
1420                wine_dbgstr_rect(&wndPtr->rectWindow), wine_dbgstr_rect(&wndPtr->rectClient),
1421                wine_dbgstr_rect(pNewWindowRect), wine_dbgstr_rect(pNewClientRect) );
1422
1423         if( pNewClientRect->left != wndPtr->rectClient.left ||
1424             pNewClientRect->top != wndPtr->rectClient.top )
1425             pWinpos->flags &= ~SWP_NOCLIENTMOVE;
1426
1427         if( (pNewClientRect->right - pNewClientRect->left !=
1428              wndPtr->rectClient.right - wndPtr->rectClient.left))
1429             pWinpos->flags &= ~SWP_NOCLIENTSIZE;
1430         else
1431             wvrFlags &= ~WVR_HREDRAW;
1432
1433         if (pNewClientRect->bottom - pNewClientRect->top !=
1434              wndPtr->rectClient.bottom - wndPtr->rectClient.top)
1435             pWinpos->flags &= ~SWP_NOCLIENTSIZE;
1436         else
1437             wvrFlags &= ~WVR_VREDRAW;
1438
1439         validRects[0] = params.rgrc[1];
1440         validRects[1] = params.rgrc[2];
1441     }
1442     else
1443     {
1444         if (!(pWinpos->flags & SWP_NOMOVE) &&
1445             (pNewClientRect->left != wndPtr->rectClient.left ||
1446              pNewClientRect->top != wndPtr->rectClient.top))
1447             pWinpos->flags &= ~SWP_NOCLIENTMOVE;
1448     }
1449
1450     if (pWinpos->flags & (SWP_NOCOPYBITS | SWP_NOREDRAW | SWP_SHOWWINDOW | SWP_HIDEWINDOW))
1451     {
1452         SetRectEmpty( &validRects[0] );
1453         SetRectEmpty( &validRects[1] );
1454     }
1455     else get_valid_rects( &wndPtr->rectClient, pNewClientRect, wvrFlags, validRects );
1456
1457     WIN_ReleasePtr( wndPtr );
1458     return wvrFlags;
1459 }
1460
1461 /* fix redundant flags and values in the WINDOWPOS structure */
1462 static BOOL fixup_flags( WINDOWPOS *winpos )
1463 {
1464     HWND parent;
1465     WND *wndPtr = WIN_GetPtr( winpos->hwnd );
1466     BOOL ret = TRUE;
1467
1468     if (!wndPtr || wndPtr == WND_OTHER_PROCESS)
1469     {
1470         SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1471         return FALSE;
1472     }
1473     winpos->hwnd = wndPtr->hwndSelf;  /* make it a full handle */
1474
1475     /* Finally make sure that all coordinates are valid */
1476     if (winpos->x < -32768) winpos->x = -32768;
1477     else if (winpos->x > 32767) winpos->x = 32767;
1478     if (winpos->y < -32768) winpos->y = -32768;
1479     else if (winpos->y > 32767) winpos->y = 32767;
1480
1481     if (winpos->cx < 0) winpos->cx = 0;
1482     else if (winpos->cx > 32767) winpos->cx = 32767;
1483     if (winpos->cy < 0) winpos->cy = 0;
1484     else if (winpos->cy > 32767) winpos->cy = 32767;
1485
1486     parent = GetAncestor( winpos->hwnd, GA_PARENT );
1487     if (!IsWindowVisible( parent )) winpos->flags |= SWP_NOREDRAW;
1488
1489     if (wndPtr->dwStyle & WS_VISIBLE) winpos->flags &= ~SWP_SHOWWINDOW;
1490     else
1491     {
1492         winpos->flags &= ~SWP_HIDEWINDOW;
1493         if (!(winpos->flags & SWP_SHOWWINDOW)) winpos->flags |= SWP_NOREDRAW;
1494     }
1495
1496     if ((wndPtr->rectWindow.right - wndPtr->rectWindow.left == winpos->cx) &&
1497         (wndPtr->rectWindow.bottom - wndPtr->rectWindow.top == winpos->cy))
1498         winpos->flags |= SWP_NOSIZE;    /* Already the right size */
1499
1500     if ((wndPtr->rectWindow.left == winpos->x) && (wndPtr->rectWindow.top == winpos->y))
1501         winpos->flags |= SWP_NOMOVE;    /* Already the right position */
1502
1503     if ((wndPtr->dwStyle & (WS_POPUP | WS_CHILD)) != WS_CHILD)
1504     {
1505         if (!(winpos->flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW))) /* Bring to the top when activating */
1506         {
1507             winpos->flags &= ~SWP_NOZORDER;
1508             winpos->hwndInsertAfter = HWND_TOP;
1509         }
1510     }
1511
1512     /* Check hwndInsertAfter */
1513     if (winpos->flags & SWP_NOZORDER) goto done;
1514
1515     /* fix sign extension */
1516     if (winpos->hwndInsertAfter == (HWND)0xffff) winpos->hwndInsertAfter = HWND_TOPMOST;
1517     else if (winpos->hwndInsertAfter == (HWND)0xfffe) winpos->hwndInsertAfter = HWND_NOTOPMOST;
1518
1519       /* FIXME: TOPMOST not supported yet */
1520     if ((winpos->hwndInsertAfter == HWND_TOPMOST) ||
1521         (winpos->hwndInsertAfter == HWND_NOTOPMOST)) winpos->hwndInsertAfter = HWND_TOP;
1522
1523     /* hwndInsertAfter must be a sibling of the window */
1524     if (winpos->hwndInsertAfter == HWND_TOP)
1525     {
1526         if (GetWindow(winpos->hwnd, GW_HWNDFIRST) == winpos->hwnd)
1527             winpos->flags |= SWP_NOZORDER;
1528     }
1529     else if (winpos->hwndInsertAfter == HWND_BOTTOM)
1530     {
1531         if (GetWindow(winpos->hwnd, GW_HWNDLAST) == winpos->hwnd)
1532             winpos->flags |= SWP_NOZORDER;
1533     }
1534     else
1535     {
1536         if (GetAncestor( winpos->hwndInsertAfter, GA_PARENT ) != parent) ret = FALSE;
1537         else
1538         {
1539             /* don't need to change the Zorder of hwnd if it's already inserted
1540              * after hwndInsertAfter or when inserting hwnd after itself.
1541              */
1542             if ((winpos->hwnd == winpos->hwndInsertAfter) ||
1543                 (winpos->hwnd == GetWindow( winpos->hwndInsertAfter, GW_HWNDNEXT )))
1544                 winpos->flags |= SWP_NOZORDER;
1545         }
1546     }
1547  done:
1548     WIN_ReleasePtr( wndPtr );
1549     return ret;
1550 }
1551
1552 /***********************************************************************
1553  *              USER_SetWindowPos
1554  *
1555  *     User32 internal function
1556  */
1557 BOOL USER_SetWindowPos( WINDOWPOS * winpos )
1558 {
1559     RECT newWindowRect, newClientRect, valid_rects[2];
1560     UINT orig_flags;
1561
1562     orig_flags = winpos->flags;
1563
1564     /* First make sure that coordinates are valid for WM_WINDOWPOSCHANGING */
1565     if (!(winpos->flags & SWP_NOMOVE))
1566     {
1567         if (winpos->x < -32768) winpos->x = -32768;
1568         else if (winpos->x > 32767) winpos->x = 32767;
1569         if (winpos->y < -32768) winpos->y = -32768;
1570         else if (winpos->y > 32767) winpos->y = 32767;
1571     }
1572     if (!(winpos->flags & SWP_NOSIZE))
1573     {
1574         if (winpos->cx < 0) winpos->cx = 0;
1575         else if (winpos->cx > 32767) winpos->cx = 32767;
1576         if (winpos->cy < 0) winpos->cy = 0;
1577         else if (winpos->cy > 32767) winpos->cy = 32767;
1578     }
1579
1580     if (!SWP_DoWinPosChanging( winpos, &newWindowRect, &newClientRect )) return FALSE;
1581
1582     /* Fix redundant flags */
1583     if (!fixup_flags( winpos )) return FALSE;
1584
1585     if((winpos->flags & (SWP_NOZORDER | SWP_HIDEWINDOW | SWP_SHOWWINDOW)) != SWP_NOZORDER)
1586     {
1587         if (GetAncestor( winpos->hwnd, GA_PARENT ) == GetDesktopWindow())
1588             winpos->hwndInsertAfter = SWP_DoOwnedPopups( winpos->hwnd, winpos->hwndInsertAfter );
1589     }
1590
1591     /* Common operations */
1592
1593     SWP_DoNCCalcSize( winpos, &newWindowRect, &newClientRect, valid_rects );
1594
1595     if(!USER_Driver->pSetWindowPos( winpos->hwnd, winpos->hwndInsertAfter,
1596                             &newWindowRect, &newClientRect, orig_flags, valid_rects ))
1597         return FALSE;
1598
1599     /* Windows doesn't redraw a window if it is being just moved */
1600     if (!(orig_flags & SWP_SHOWWINDOW) &&
1601         (winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOGEOMETRYCHANGE)
1602     {
1603         UINT rdw_flags = RDW_FRAME | RDW_ERASE;
1604         if ( !(orig_flags & SWP_DEFERERASE) ) rdw_flags |= RDW_ERASENOW;
1605         RedrawWindow( winpos->hwnd, NULL, NULL, rdw_flags );
1606     }
1607
1608     if( winpos->flags & SWP_HIDEWINDOW )
1609         HideCaret(winpos->hwnd);
1610     else if (winpos->flags & SWP_SHOWWINDOW)
1611         ShowCaret(winpos->hwnd);
1612
1613     if (!(winpos->flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW)))
1614     {
1615         /* child windows get WM_CHILDACTIVATE message */
1616         if ((GetWindowLongW( winpos->hwnd, GWL_STYLE ) & (WS_CHILD | WS_POPUP)) == WS_CHILD)
1617             SendMessageW( winpos->hwnd, WM_CHILDACTIVATE, 0, 0 );
1618         else
1619             SetForegroundWindow( winpos->hwnd );
1620     }
1621
1622       /* And last, send the WM_WINDOWPOSCHANGED message */
1623
1624     TRACE("\tstatus flags = %04x\n", winpos->flags & SWP_AGG_STATUSFLAGS);
1625
1626     if (((winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOPOSCHANGE))
1627     {
1628         /* WM_WINDOWPOSCHANGED is sent even if SWP_NOSENDCHANGING is set
1629            and always contains final window position.
1630          */
1631         winpos->x = newWindowRect.left;
1632         winpos->y = newWindowRect.top;
1633         winpos->cx = newWindowRect.right - newWindowRect.left;
1634         winpos->cy = newWindowRect.bottom - newWindowRect.top;
1635         SendMessageW( winpos->hwnd, WM_WINDOWPOSCHANGED, 0, (LPARAM)winpos );
1636     }
1637     return TRUE;
1638 }
1639
1640 /***********************************************************************
1641  *              SetWindowPos (USER32.@)
1642  */
1643 BOOL WINAPI SetWindowPos( HWND hwnd, HWND hwndInsertAfter,
1644                           INT x, INT y, INT cx, INT cy, UINT flags )
1645 {
1646     WINDOWPOS winpos;
1647
1648     TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
1649           hwnd, hwndInsertAfter, x, y, cx, cy, flags);
1650     if(TRACE_ON(win)) dump_winpos_flags(flags);
1651
1652     if (is_broadcast(hwnd))
1653     {
1654         SetLastError( ERROR_INVALID_PARAMETER );
1655         return FALSE;
1656     }
1657
1658     winpos.hwnd = WIN_GetFullHandle(hwnd);
1659     winpos.hwndInsertAfter = WIN_GetFullHandle(hwndInsertAfter);
1660     winpos.x = x;
1661     winpos.y = y;
1662     winpos.cx = cx;
1663     winpos.cy = cy;
1664     winpos.flags = flags;
1665
1666     if (WIN_IsCurrentThread( hwnd ))
1667         return USER_SetWindowPos(&winpos);
1668
1669     return SendMessageW( winpos.hwnd, WM_WINE_SETWINDOWPOS, 0, (LPARAM)&winpos );
1670 }
1671
1672
1673 /***********************************************************************
1674  *              BeginDeferWindowPos (USER32.@)
1675  */
1676 HDWP WINAPI BeginDeferWindowPos( INT count )
1677 {
1678     HDWP handle;
1679     DWP *pDWP;
1680
1681     TRACE("%d\n", count);
1682
1683     if (count < 0)
1684     {
1685         SetLastError(ERROR_INVALID_PARAMETER);
1686         return 0;
1687     }
1688     /* Windows allows zero count, in which case it allocates context for 8 moves */
1689     if (count == 0) count = 8;
1690
1691     handle = USER_HEAP_ALLOC( sizeof(DWP) + (count-1)*sizeof(WINDOWPOS) );
1692     if (!handle) return 0;
1693     pDWP = (DWP *) USER_HEAP_LIN_ADDR( handle );
1694     pDWP->actualCount    = 0;
1695     pDWP->suggestedCount = count;
1696     pDWP->valid          = TRUE;
1697     pDWP->wMagic         = DWP_MAGIC;
1698     pDWP->hwndParent     = 0;
1699
1700     TRACE("returning hdwp %p\n", handle);
1701     return handle;
1702 }
1703
1704
1705 /***********************************************************************
1706  *              DeferWindowPos (USER32.@)
1707  */
1708 HDWP WINAPI DeferWindowPos( HDWP hdwp, HWND hwnd, HWND hwndAfter,
1709                                 INT x, INT y, INT cx, INT cy,
1710                                 UINT flags )
1711 {
1712     DWP *pDWP;
1713     int i;
1714     HDWP newhdwp = hdwp,retvalue;
1715
1716     TRACE("hdwp %p, hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
1717           hdwp, hwnd, hwndAfter, x, y, cx, cy, flags);
1718
1719     hwnd = WIN_GetFullHandle( hwnd );
1720     if (hwnd == GetDesktopWindow()) return 0;
1721
1722     if (!(pDWP = USER_HEAP_LIN_ADDR( hdwp ))) return 0;
1723
1724     USER_Lock();
1725
1726     for (i = 0; i < pDWP->actualCount; i++)
1727     {
1728         if (pDWP->winPos[i].hwnd == hwnd)
1729         {
1730               /* Merge with the other changes */
1731             if (!(flags & SWP_NOZORDER))
1732             {
1733                 pDWP->winPos[i].hwndInsertAfter = WIN_GetFullHandle(hwndAfter);
1734             }
1735             if (!(flags & SWP_NOMOVE))
1736             {
1737                 pDWP->winPos[i].x = x;
1738                 pDWP->winPos[i].y = y;
1739             }
1740             if (!(flags & SWP_NOSIZE))
1741             {
1742                 pDWP->winPos[i].cx = cx;
1743                 pDWP->winPos[i].cy = cy;
1744             }
1745             pDWP->winPos[i].flags &= flags | ~(SWP_NOSIZE | SWP_NOMOVE |
1746                                                SWP_NOZORDER | SWP_NOREDRAW |
1747                                                SWP_NOACTIVATE | SWP_NOCOPYBITS|
1748                                                SWP_NOOWNERZORDER);
1749             pDWP->winPos[i].flags |= flags & (SWP_SHOWWINDOW | SWP_HIDEWINDOW |
1750                                               SWP_FRAMECHANGED);
1751             retvalue = hdwp;
1752             goto END;
1753         }
1754     }
1755     if (pDWP->actualCount >= pDWP->suggestedCount)
1756     {
1757         newhdwp = USER_HEAP_REALLOC( hdwp,
1758                       sizeof(DWP) + pDWP->suggestedCount*sizeof(WINDOWPOS) );
1759         if (!newhdwp)
1760         {
1761             retvalue = 0;
1762             goto END;
1763         }
1764         pDWP = (DWP *) USER_HEAP_LIN_ADDR( newhdwp );
1765         pDWP->suggestedCount++;
1766     }
1767     pDWP->winPos[pDWP->actualCount].hwnd = hwnd;
1768     pDWP->winPos[pDWP->actualCount].hwndInsertAfter = hwndAfter;
1769     pDWP->winPos[pDWP->actualCount].x = x;
1770     pDWP->winPos[pDWP->actualCount].y = y;
1771     pDWP->winPos[pDWP->actualCount].cx = cx;
1772     pDWP->winPos[pDWP->actualCount].cy = cy;
1773     pDWP->winPos[pDWP->actualCount].flags = flags;
1774     pDWP->actualCount++;
1775     retvalue = newhdwp;
1776 END:
1777     USER_Unlock();
1778     return retvalue;
1779 }
1780
1781
1782 /***********************************************************************
1783  *              EndDeferWindowPos (USER32.@)
1784  */
1785 BOOL WINAPI EndDeferWindowPos( HDWP hdwp )
1786 {
1787     DWP *pDWP;
1788     WINDOWPOS *winpos;
1789     BOOL res = TRUE;
1790     int i;
1791
1792     TRACE("%p\n", hdwp);
1793
1794     pDWP = (DWP *) USER_HEAP_LIN_ADDR( hdwp );
1795     if (!pDWP) return FALSE;
1796     for (i = 0, winpos = pDWP->winPos; i < pDWP->actualCount; i++, winpos++)
1797     {
1798         TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
1799                winpos->hwnd, winpos->hwndInsertAfter, winpos->x, winpos->y,
1800                winpos->cx, winpos->cy, winpos->flags);
1801
1802         if (!(res = USER_SetWindowPos( winpos ))) break;
1803     }
1804     USER_HEAP_FREE( hdwp );
1805     return res;
1806 }
1807
1808
1809 /***********************************************************************
1810  *              TileChildWindows (USER.199)
1811  */
1812 void WINAPI TileChildWindows16( HWND16 parent, WORD action )
1813 {
1814     FIXME("(%04x, %d): stub\n", parent, action);
1815 }
1816
1817 /***********************************************************************
1818  *              CascadeChildWindows (USER.198)
1819  */
1820 void WINAPI CascadeChildWindows16( HWND16 parent, WORD action )
1821 {
1822     FIXME("(%04x, %d): stub\n", parent, action);
1823 }