git.oblomov.eu Git - wine/blob - 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/server.h"
  35 #include "controls.h"
  36 #include "user_private.h"
  37 #include "win.h"
  38 #include "wine/debug.h"
  39
  40 WINE_DEFAULT_DEBUG_CHANNEL(win);
  41
  42 #define SWP_AGG_NOGEOMETRYCHANGE \
  43     (SWP_NOSIZE | SWP_NOCLIENTSIZE | SWP_NOZORDER)
  44 #define SWP_AGG_NOPOSCHANGE \
  45     (SWP_NOSIZE | SWP_NOMOVE | SWP_NOCLIENTSIZE | SWP_NOCLIENTMOVE | SWP_NOZORDER)
  46 #define SWP_AGG_STATUSFLAGS \
  47     (SWP_AGG_NOPOSCHANGE | SWP_FRAMECHANGED | SWP_HIDEWINDOW | SWP_SHOWWINDOW)
  48
  49 #define HAS_DLGFRAME(style,exStyle) \
  50     (((exStyle) & WS_EX_DLGMODALFRAME) || \
  51      (((style) & WS_DLGFRAME) && !((style) & WS_BORDER)))
  52
  53 #define HAS_THICKFRAME(style) \
  54     (((style) & WS_THICKFRAME) && \
  55      !(((style) & (WS_DLGFRAME|WS_BORDER)) == WS_DLGFRAME))
  56
  57 #define EMPTYPOINT(pt)          ((*(LONG*)&(pt)) == -1)
  58
  59 #define PLACE_MIN               0x0001
  60 #define PLACE_MAX               0x0002
  61 #define PLACE_RECT              0x0004
  62
  63
  64 #define DWP_MAGIC  ((INT)('W' | ('P' << 8) | ('O' << 16) | ('S' << 24)))
  65
  66 typedef struct
  67 {
  68     INT       actualCount;
  69     INT       suggestedCount;
  70     BOOL      valid;
  71     INT       wMagic;
  72     HWND      hwndParent;
  73     WINDOWPOS winPos[1];
  74 } DWP;
  75
  76 typedef struct
  77 {
  78     RECT16   rectNormal;
  79     POINT16  ptIconPos;
  80     POINT16  ptMaxPos;
  81     HWND     hwndIconTitle;
  82 } INTERNALPOS, *LPINTERNALPOS;
  83
  84 /* ----- internal functions ----- */
  85
  86 static const WCHAR SysIP_W[] = { 'S','y','s','I','P',0 };
  87
  88 static inline INTERNALPOS *get_internal_pos( HWND hwnd )
  89 {
  90     return GetPropW( hwnd, SysIP_W );
  91 }
  92
  93 static inline void set_internal_pos( HWND hwnd, INTERNALPOS *pos )
  94 {
  95     SetPropW( hwnd, SysIP_W, pos );
  96 }
  97
  98 /***********************************************************************
  99  *           WINPOS_CheckInternalPos
 100  *
 101  * Called when a window is destroyed.
 102  */
 103 void WINPOS_CheckInternalPos( HWND hwnd )
 104 {
 105     LPINTERNALPOS lpPos = get_internal_pos( hwnd );
 106
 107     if ( lpPos )
 108     {
 109         if( IsWindow(lpPos->hwndIconTitle) )
 110             DestroyWindow( lpPos->hwndIconTitle );
 111         HeapFree( GetProcessHeap(), 0, lpPos );
 112     }
 113 }
 114
 115 /***********************************************************************
 116  *              ArrangeIconicWindows (USER32.@)
 117  */
 118 UINT WINAPI ArrangeIconicWindows( HWND parent )
 119 {
 120     RECT rectParent;
 121     HWND hwndChild;
 122     INT x, y, xspacing, yspacing;
 123
 124     GetClientRect( parent, &rectParent );
 125     x = rectParent.left;
 126     y = rectParent.bottom;
 127     xspacing = GetSystemMetrics(SM_CXICONSPACING);
 128     yspacing = GetSystemMetrics(SM_CYICONSPACING);
 129
 130     hwndChild = GetWindow( parent, GW_CHILD );
 131     while (hwndChild)
 132     {
 133         if( IsIconic( hwndChild ) )
 134         {
 135             WINPOS_ShowIconTitle( hwndChild, FALSE );
 136
 137             SetWindowPos( hwndChild, 0, x + (xspacing - GetSystemMetrics(SM_CXICON)) / 2,
 138                             y - yspacing - GetSystemMetrics(SM_CYICON)/2, 0, 0,
 139                             SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
 140             if( IsWindow(hwndChild) )
 141                 WINPOS_ShowIconTitle(hwndChild , TRUE );
 142
 143             if (x <= rectParent.right - xspacing) x += xspacing;
 144             else
 145             {
 146                 x = rectParent.left;
 147                 y -= yspacing;
 148             }
 149         }
 150         hwndChild = GetWindow( hwndChild, GW_HWNDNEXT );
 151     }
 152     return yspacing;
 153 }
 154
 155
 156 /***********************************************************************
 157  *              SwitchToThisWindow (USER32.@)
 158  */
 159 void WINAPI SwitchToThisWindow( HWND hwnd, BOOL restore )
 160 {
 161     ShowWindow( hwnd, restore ? SW_RESTORE : SW_SHOWMINIMIZED );
 162 }
 163
 164
 165 /***********************************************************************
 166  *              GetWindowRect (USER32.@)
 167  */
 168 BOOL WINAPI GetWindowRect( HWND hwnd, LPRECT rect )
 169 {
 170     BOOL ret = WIN_GetRectangles( hwnd, rect, NULL );
 171     if (ret)
 172     {
 173         MapWindowPoints( GetAncestor( hwnd, GA_PARENT ), 0, (POINT *)rect, 2 );
 174         TRACE( "hwnd %p (%d,%d)-(%d,%d)\n",
 175                hwnd, rect->left, rect->top, rect->right, rect->bottom);
 176     }
 177     return ret;
 178 }
 179
 180
 181 /***********************************************************************
 182  *              GetWindowRgn (USER32.@)
 183  */
 184 int WINAPI GetWindowRgn ( HWND hwnd, HRGN hrgn )
 185 {
 186     int nRet = ERROR;
 187     NTSTATUS status;
 188     HRGN win_rgn = 0;
 189     RGNDATA *data;
 190     size_t size = 256;
 191
 192     do
 193     {
 194         if (!(data = HeapAlloc( GetProcessHeap(), 0, sizeof(*data) + size - 1 )))
 195         {
 196             SetLastError( ERROR_OUTOFMEMORY );
 197             return ERROR;
 198         }
 199         SERVER_START_REQ( get_window_region )
 200         {
 201             req->window = hwnd;
 202             wine_server_set_reply( req, data->Buffer, size );
 203             if (!(status = wine_server_call( req )))
 204             {
 205                 size_t reply_size = wine_server_reply_size( reply );
 206                 if (reply_size)
 207                 {
 208                     data->rdh.dwSize   = sizeof(data->rdh);
 209                     data->rdh.iType    = RDH_RECTANGLES;
 210                     data->rdh.nCount   = reply_size / sizeof(RECT);
 211                     data->rdh.nRgnSize = reply_size;
 212                     win_rgn = ExtCreateRegion( NULL, size, data );
 213                 }
 214             }
 215             else size = reply->total_size;
 216         }
 217         SERVER_END_REQ;
 218         HeapFree( GetProcessHeap(), 0, data );
 219     } while (status == STATUS_BUFFER_OVERFLOW);
 220
 221     if (status) SetLastError( RtlNtStatusToDosError(status) );
 222     else if (win_rgn)
 223     {
 224         nRet = CombineRgn( hrgn, win_rgn, 0, RGN_COPY );
 225         DeleteObject( win_rgn );
 226     }
 227     return nRet;
 228 }
 229
 230
 231 /***********************************************************************
 232  *              SetWindowRgn (USER32.@)
 233  */
 234 int WINAPI SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL bRedraw )
 235 {
 236     static const RECT empty_rect;
 237     BOOL ret;
 238
 239     if (hrgn)
 240     {
 241         RGNDATA *data;
 242         DWORD size;
 243
 244         if (!(size = GetRegionData( hrgn, 0, NULL ))) return FALSE;
 245         if (!(data = HeapAlloc( GetProcessHeap(), 0, size ))) return FALSE;
 246         if (!GetRegionData( hrgn, size, data ))
 247         {
 248             HeapFree( GetProcessHeap(), 0, data );
 249             return FALSE;
 250         }
 251         SERVER_START_REQ( set_window_region )
 252         {
 253             req->window = hwnd;
 254             req->redraw = (bRedraw != 0);
 255             if (data->rdh.nCount)
 256                 wine_server_add_data( req, data->Buffer, data->rdh.nCount * sizeof(RECT) );
 257             else
 258                 wine_server_add_data( req, &empty_rect, sizeof(empty_rect) );
 259             ret = !wine_server_call_err( req );
 260         }
 261         SERVER_END_REQ;
 262     }
 263     else  /* clear existing region */
 264     {
 265         SERVER_START_REQ( set_window_region )
 266         {
 267             req->window = hwnd;
 268             req->redraw = (bRedraw != 0);
 269             ret = !wine_server_call_err( req );
 270         }
 271         SERVER_END_REQ;
 272     }
 273
 274     if (ret) ret = USER_Driver->pSetWindowRgn( hwnd, hrgn, bRedraw );
 275
 276     if (ret)
 277     {
 278         UINT swp_flags = SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER|SWP_NOACTIVATE|SWP_FRAMECHANGED;
 279         if (hrgn) swp_flags |= SWP_NOCLIENTSIZE|SWP_NOCLIENTMOVE;
 280         if (!bRedraw) swp_flags |= SWP_NOREDRAW;
 281         SetWindowPos( hwnd, 0, 0, 0, 0, 0, swp_flags );
 282     }
 283     return ret;
 284 }
 285
 286
 287 /***********************************************************************
 288  *              GetClientRect (USER32.@)
 289  */
 290 BOOL WINAPI GetClientRect( HWND hwnd, LPRECT rect )
 291 {
 292     BOOL ret;
 293
 294     if ((ret = WIN_GetRectangles( hwnd, NULL, rect )))
 295     {
 296         rect->right -= rect->left;
 297         rect->bottom -= rect->top;
 298         rect->left = rect->top = 0;
 299     }
 300     return ret;
 301 }
 302
 303
 304 /*******************************************************************
 305  *              ClientToScreen (USER32.@)
 306  */
 307 BOOL WINAPI ClientToScreen( HWND hwnd, LPPOINT lppnt )
 308 {
 309     MapWindowPoints( hwnd, 0, lppnt, 1 );
 310     return TRUE;
 311 }
 312
 313
 314 /*******************************************************************
 315  *              ScreenToClient (USER32.@)
 316  */
 317 BOOL WINAPI ScreenToClient( HWND hwnd, LPPOINT lppnt )
 318 {
 319     MapWindowPoints( 0, hwnd, lppnt, 1 );
 320     return TRUE;
 321 }
 322
 323
 324 /***********************************************************************
 325  *           list_children_from_point
 326  *
 327  * Get the list of children that can contain point from the server.
 328  * Point is in screen coordinates.
 329  * Returned list must be freed by caller.
 330  */
 331 static HWND *list_children_from_point( HWND hwnd, POINT pt )
 332 {
 333     HWND *list;
 334     int size = 32;
 335
 336     for (;;)
 337     {
 338         int count = 0;
 339
 340         if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) break;
 341
 342         SERVER_START_REQ( get_window_children_from_point )
 343         {
 344             req->parent = hwnd;
 345             req->x = pt.x;
 346             req->y = pt.y;
 347             wine_server_set_reply( req, list, (size-1) * sizeof(HWND) );
 348             if (!wine_server_call( req )) count = reply->count;
 349         }
 350         SERVER_END_REQ;
 351         if (count && count < size)
 352         {
 353             list[count] = 0;
 354             return list;
 355         }
 356         HeapFree( GetProcessHeap(), 0, list );
 357         if (!count) break;
 358         size = count + 1;  /* restart with a large enough buffer */
 359     }
 360     return NULL;
 361 }
 362
 363
 364 /***********************************************************************
 365  *           WINPOS_WindowFromPoint
 366  *
 367  * Find the window and hittest for a given point.
 368  */
 369 HWND WINPOS_WindowFromPoint( HWND hwndScope, POINT pt, INT *hittest )
 370 {
 371     int i, res;
 372     HWND ret, *list;
 373
 374     if (!hwndScope) hwndScope = GetDesktopWindow();
 375
 376     *hittest = HTNOWHERE;
 377
 378     if (!(list = list_children_from_point( hwndScope, pt ))) return 0;
 379
 380     /* now determine the hittest */
 381
 382     for (i = 0; list[i]; i++)
 383     {
 384         LONG style = GetWindowLongW( list[i], GWL_STYLE );
 385
 386         /* If window is minimized or disabled, return at once */
 387         if (style & WS_MINIMIZE)
 388         {
 389             *hittest = HTCAPTION;
 390             break;
 391         }
 392         if (style & WS_DISABLED)
 393         {
 394             *hittest = HTERROR;
 395             break;
 396         }
 397         /* Send WM_NCCHITTEST (if same thread) */
 398         if (!WIN_IsCurrentThread( list[i] ))
 399         {
 400             *hittest = HTCLIENT;
 401             break;
 402         }
 403         res = SendMessageW( list[i], WM_NCHITTEST, 0, MAKELONG(pt.x,pt.y) );
 404         if (res != HTTRANSPARENT)
 405         {
 406             *hittest = res;  /* Found the window */
 407             break;
 408         }
 409         /* continue search with next window in z-order */
 410     }
 411     ret = list[i];
 412     HeapFree( GetProcessHeap(), 0, list );
 413     TRACE( "scope %p (%d,%d) returning %p\n", hwndScope, pt.x, pt.y, ret );
 414     return ret;
 415 }
 416
 417
 418 /*******************************************************************
 419  *              WindowFromPoint (USER32.@)
 420  */
 421 HWND WINAPI WindowFromPoint( POINT pt )
 422 {
 423     INT hittest;
 424     return WINPOS_WindowFromPoint( 0, pt, &hittest );
 425 }
 426
 427
 428 /*******************************************************************
 429  *              ChildWindowFromPoint (USER32.@)
 430  */
 431 HWND WINAPI ChildWindowFromPoint( HWND hwndParent, POINT pt )
 432 {
 433     return ChildWindowFromPointEx( hwndParent, pt, CWP_ALL );
 434 }
 435
 436 /*******************************************************************
 437  *              RealChildWindowFromPoint (USER32.@)
 438  */
 439 HWND WINAPI RealChildWindowFromPoint( HWND hwndParent, POINT pt )
 440 {
 441     return ChildWindowFromPointEx( hwndParent, pt, CWP_SKIPTRANSPARENT );
 442 }
 443
 444 /*******************************************************************
 445  *              ChildWindowFromPointEx (USER32.@)
 446  */
 447 HWND WINAPI ChildWindowFromPointEx( HWND hwndParent, POINT pt, UINT uFlags)
 448 {
 449     /* pt is in the client coordinates */
 450     HWND *list;
 451     int i;
 452     RECT rect;
 453     HWND retvalue;
 454
 455     GetClientRect( hwndParent, &rect );
 456     if (!PtInRect( &rect, pt )) return 0;
 457     if (!(list = WIN_ListChildren( hwndParent ))) return hwndParent;
 458
 459     for (i = 0; list[i]; i++)
 460     {
 461         if (!WIN_GetRectangles( list[i], &rect, NULL )) continue;
 462         if (!PtInRect( &rect, pt )) continue;
 463         if (uFlags & (CWP_SKIPINVISIBLE|CWP_SKIPDISABLED))
 464         {
 465             LONG style = GetWindowLongW( list[i], GWL_STYLE );
 466             if ((uFlags & CWP_SKIPINVISIBLE) && !(style & WS_VISIBLE)) continue;
 467             if ((uFlags & CWP_SKIPDISABLED) && (style & WS_DISABLED)) continue;
 468         }
 469         if (uFlags & CWP_SKIPTRANSPARENT)
 470         {
 471             if (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TRANSPARENT) continue;
 472         }
 473         break;
 474     }
 475     retvalue = list[i];
 476     HeapFree( GetProcessHeap(), 0, list );
 477     if (!retvalue) retvalue = hwndParent;
 478     return retvalue;
 479 }
 480
 481
 482 /*******************************************************************
 483  *         WINPOS_GetWinOffset
 484  *
 485  * Calculate the offset between the origin of the two windows. Used
 486  * to implement MapWindowPoints.
 487  */
 488 static void WINPOS_GetWinOffset( HWND hwndFrom, HWND hwndTo, POINT *offset )
 489 {
 490     WND * wndPtr;
 491
 492     offset->x = offset->y = 0;
 493
 494     /* Translate source window origin to screen coords */
 495     if (hwndFrom)
 496     {
 497         HWND hwnd = hwndFrom;
 498
 499         while (hwnd)
 500         {
 501             if (hwnd == hwndTo) return;
 502             if (!(wndPtr = WIN_GetPtr( hwnd )))
 503             {
 504                 ERR( "bad hwndFrom = %p\n", hwnd );
 505                 return;
 506             }
 507             if (wndPtr == WND_DESKTOP) break;
 508             if (wndPtr == WND_OTHER_PROCESS) goto other_process;
 509             offset->x += wndPtr->rectClient.left;
 510             offset->y += wndPtr->rectClient.top;
 511             hwnd = wndPtr->parent;
 512             WIN_ReleasePtr( wndPtr );
 513         }
 514     }
 515
 516     /* Translate origin to destination window coords */
 517     if (hwndTo)
 518     {
 519         HWND hwnd = hwndTo;
 520
 521         while (hwnd)
 522         {
 523             if (!(wndPtr = WIN_GetPtr( hwnd )))
 524             {
 525                 ERR( "bad hwndTo = %p\n", hwnd );
 526                 return;
 527             }
 528             if (wndPtr == WND_DESKTOP) break;
 529             if (wndPtr == WND_OTHER_PROCESS) goto other_process;
 530             offset->x -= wndPtr->rectClient.left;
 531             offset->y -= wndPtr->rectClient.top;
 532             hwnd = wndPtr->parent;
 533             WIN_ReleasePtr( wndPtr );
 534         }
 535     }
 536     return;
 537
 538  other_process:  /* one of the parents may belong to another process, do it the hard way */
 539     offset->x = offset->y = 0;
 540     SERVER_START_REQ( get_windows_offset )
 541     {
 542         req->from = hwndFrom;
 543         req->to   = hwndTo;
 544         if (!wine_server_call( req ))
 545         {
 546             offset->x = reply->x;
 547             offset->y = reply->y;
 548         }
 549     }
 550     SERVER_END_REQ;
 551 }
 552
 553
 554 /*******************************************************************
 555  *              MapWindowPoints (USER.258)
 556  */
 557 void WINAPI MapWindowPoints16( HWND16 hwndFrom, HWND16 hwndTo,
 558                                LPPOINT16 lppt, UINT16 count )
 559 {
 560     POINT offset;
 561
 562     WINPOS_GetWinOffset( WIN_Handle32(hwndFrom), WIN_Handle32(hwndTo), &offset );
 563     while (count--)
 564     {
 565         lppt->x += offset.x;
 566         lppt->y += offset.y;
 567         lppt++;
 568     }
 569 }
 570
 571
 572 /*******************************************************************
 573  *              MapWindowPoints (USER32.@)
 574  */
 575 INT WINAPI MapWindowPoints( HWND hwndFrom, HWND hwndTo, LPPOINT lppt, UINT count )
 576 {
 577     POINT offset;
 578
 579     WINPOS_GetWinOffset( hwndFrom, hwndTo, &offset );
 580     while (count--)
 581     {
 582         lppt->x += offset.x;
 583         lppt->y += offset.y;
 584         lppt++;
 585     }
 586     return MAKELONG( LOWORD(offset.x), LOWORD(offset.y) );
 587 }
 588
 589
 590 /***********************************************************************
 591  *              IsIconic (USER32.@)
 592  */
 593 BOOL WINAPI IsIconic(HWND hWnd)
 594 {
 595     return (GetWindowLongW( hWnd, GWL_STYLE ) & WS_MINIMIZE) != 0;
 596 }
 597
 598
 599 /***********************************************************************
 600  *              IsZoomed (USER32.@)
 601  */
 602 BOOL WINAPI IsZoomed(HWND hWnd)
 603 {
 604     return (GetWindowLongW( hWnd, GWL_STYLE ) & WS_MAXIMIZE) != 0;
 605 }
 606
 607
 608 /*******************************************************************
 609  *              AllowSetForegroundWindow (USER32.@)
 610  */
 611 BOOL WINAPI AllowSetForegroundWindow( DWORD procid )
 612 {
 613     /* FIXME: If Win98/2000 style SetForegroundWindow behavior is
 614      * implemented, then fix this function. */
 615     return TRUE;
 616 }
 617
 618
 619 /*******************************************************************
 620  *              LockSetForegroundWindow (USER32.@)
 621  */
 622 BOOL WINAPI LockSetForegroundWindow( UINT lockcode )
 623 {
 624     /* FIXME: If Win98/2000 style SetForegroundWindow behavior is
 625      * implemented, then fix this function. */
 626     return TRUE;
 627 }
 628
 629
 630 /***********************************************************************
 631  *              BringWindowToTop (USER32.@)
 632  */
 633 BOOL WINAPI BringWindowToTop( HWND hwnd )
 634 {
 635     return SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE );
 636 }
 637
 638
 639 /***********************************************************************
 640  *              MoveWindow (USER32.@)
 641  */
 642 BOOL WINAPI MoveWindow( HWND hwnd, INT x, INT y, INT cx, INT cy,
 643                             BOOL repaint )
 644 {
 645     int flags = SWP_NOZORDER | SWP_NOACTIVATE;
 646     if (!repaint) flags |= SWP_NOREDRAW;
 647     TRACE("%p %d,%d %dx%d %d\n", hwnd, x, y, cx, cy, repaint );
 648     return SetWindowPos( hwnd, 0, x, y, cx, cy, flags );
 649 }
 650
 651 /***********************************************************************
 652  *           WINPOS_InitInternalPos
 653  */
 654 static LPINTERNALPOS WINPOS_InitInternalPos( WND* wnd )
 655 {
 656     LPINTERNALPOS lpPos = get_internal_pos( wnd->hwndSelf );
 657     if( !lpPos )
 658     {
 659         /* this happens when the window is minimized/maximized
 660          * for the first time (rectWindow is not adjusted yet) */
 661
 662         lpPos = HeapAlloc( GetProcessHeap(), 0, sizeof(INTERNALPOS) );
 663         if( !lpPos ) return NULL;
 664
 665         set_internal_pos( wnd->hwndSelf, lpPos );
 666         lpPos->hwndIconTitle = 0; /* defer until needs to be shown */
 667         lpPos->rectNormal.left   = wnd->rectWindow.left;
 668         lpPos->rectNormal.top    = wnd->rectWindow.top;
 669         lpPos->rectNormal.right  = wnd->rectWindow.right;
 670         lpPos->rectNormal.bottom = wnd->rectWindow.bottom;
 671         lpPos->ptIconPos.x = lpPos->ptIconPos.y = -1;
 672         lpPos->ptMaxPos.x = lpPos->ptMaxPos.y = -1;
 673     }
 674
 675     if( wnd->dwStyle & WS_MINIMIZE )
 676     {
 677         lpPos->ptIconPos.x = wnd->rectWindow.left;
 678         lpPos->ptIconPos.y = wnd->rectWindow.top;
 679     }
 680     else if( wnd->dwStyle & WS_MAXIMIZE )
 681     {
 682         lpPos->ptMaxPos.x = wnd->rectWindow.left;
 683         lpPos->ptMaxPos.y = wnd->rectWindow.top;
 684     }
 685     else
 686     {
 687         lpPos->rectNormal.left   = wnd->rectWindow.left;
 688         lpPos->rectNormal.top    = wnd->rectWindow.top;
 689         lpPos->rectNormal.right  = wnd->rectWindow.right;
 690         lpPos->rectNormal.bottom = wnd->rectWindow.bottom;
 691     }
 692     return lpPos;
 693 }
 694
 695 /***********************************************************************
 696  *           WINPOS_RedrawIconTitle
 697  */
 698 BOOL WINPOS_RedrawIconTitle( HWND hWnd )
 699 {
 700     LPINTERNALPOS lpPos = get_internal_pos( hWnd );
 701     if( lpPos )
 702     {
 703         if( lpPos->hwndIconTitle )
 704         {
 705             SendMessageW( lpPos->hwndIconTitle, WM_SHOWWINDOW, TRUE, 0);
 706             InvalidateRect( lpPos->hwndIconTitle, NULL, TRUE );
 707             return TRUE;
 708         }
 709     }
 710     return FALSE;
 711 }
 712
 713 /***********************************************************************
 714  *           WINPOS_ShowIconTitle
 715  */
 716 BOOL WINPOS_ShowIconTitle( HWND hwnd, BOOL bShow )
 717 {
 718     LPINTERNALPOS lpPos = get_internal_pos( hwnd );
 719
 720     if (lpPos && !GetPropA( hwnd, "__wine_x11_managed" ))
 721     {
 722         HWND title = lpPos->hwndIconTitle;
 723
 724         TRACE("%p %i\n", hwnd, (bShow != 0) );
 725
 726         if( !title )
 727             lpPos->hwndIconTitle = title = ICONTITLE_Create( hwnd );
 728         if( bShow )
 729         {
 730             if (!IsWindowVisible(title))
 731             {
 732                 SendMessageW( title, WM_SHOWWINDOW, TRUE, 0 );
 733                 SetWindowPos( title, 0, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE |
 734                               SWP_NOACTIVATE | SWP_NOZORDER | SWP_SHOWWINDOW );
 735             }
 736         }
 737         else ShowWindow( title, SW_HIDE );
 738     }
 739     return FALSE;
 740 }
 741
 742 /*******************************************************************
 743  *           WINPOS_GetMinMaxInfo
 744  *
 745  * Get the minimized and maximized information for a window.
 746  */
 747 void WINPOS_GetMinMaxInfo( HWND hwnd, POINT *maxSize, POINT *maxPos,
 748                            POINT *minTrack, POINT *maxTrack )
 749 {
 750     LPINTERNALPOS lpPos;
 751     MINMAXINFO MinMax;
 752     HMONITOR monitor;
 753     INT xinc, yinc;
 754     LONG style = GetWindowLongA( hwnd, GWL_STYLE );
 755     LONG exstyle = GetWindowLongA( hwnd, GWL_EXSTYLE );
 756     RECT rc;
 757
 758     /* Compute default values */
 759
 760     GetWindowRect(hwnd, &rc);
 761     MinMax.ptReserved.x = rc.left;
 762     MinMax.ptReserved.y = rc.top;
 763
 764     if (style & WS_CHILD)
 765     {
 766         if ((style & WS_CAPTION) == WS_CAPTION)
 767             style &= ~WS_BORDER; /* WS_CAPTION = WS_DLGFRAME | WS_BORDER */
 768
 769         GetClientRect(GetAncestor(hwnd,GA_PARENT), &rc);
 770         AdjustWindowRectEx(&rc, style, ((style & WS_POPUP) && GetMenu(hwnd)), exstyle);
 771
 772         /* avoid calculating this twice */
 773         style &= ~(WS_DLGFRAME | WS_BORDER | WS_THICKFRAME);
 774
 775         MinMax.ptMaxSize.x = rc.right - rc.left;
 776         MinMax.ptMaxSize.y = rc.bottom - rc.top;
 777     }
 778     else
 779     {
 780         MinMax.ptMaxSize.x = GetSystemMetrics(SM_CXSCREEN);
 781         MinMax.ptMaxSize.y = GetSystemMetrics(SM_CYSCREEN);
 782     }
 783     MinMax.ptMinTrackSize.x = GetSystemMetrics(SM_CXMINTRACK);
 784     MinMax.ptMinTrackSize.y = GetSystemMetrics(SM_CYMINTRACK);
 785     MinMax.ptMaxTrackSize.x = GetSystemMetrics(SM_CXMAXTRACK);
 786     MinMax.ptMaxTrackSize.y = GetSystemMetrics(SM_CYMAXTRACK);
 787
 788     if (HAS_DLGFRAME( style, exstyle ))
 789     {
 790         xinc = GetSystemMetrics(SM_CXDLGFRAME);
 791         yinc = GetSystemMetrics(SM_CYDLGFRAME);
 792     }
 793     else
 794     {
 795         xinc = yinc = 0;
 796         if (HAS_THICKFRAME(style))
 797         {
 798             xinc += GetSystemMetrics(SM_CXFRAME);
 799             yinc += GetSystemMetrics(SM_CYFRAME);
 800         }
 801         if (style & WS_BORDER)
 802         {
 803             xinc += GetSystemMetrics(SM_CXBORDER);
 804             yinc += GetSystemMetrics(SM_CYBORDER);
 805         }
 806     }
 807     MinMax.ptMaxSize.x += 2 * xinc;
 808     MinMax.ptMaxSize.y += 2 * yinc;
 809
 810     lpPos = get_internal_pos( hwnd );
 811     if( lpPos && !EMPTYPOINT(lpPos->ptMaxPos) )
 812     {
 813         MinMax.ptMaxPosition.x = lpPos->ptMaxPos.x;
 814         MinMax.ptMaxPosition.y = lpPos->ptMaxPos.y;
 815     }
 816     else
 817     {
 818         MinMax.ptMaxPosition.x = -xinc;
 819         MinMax.ptMaxPosition.y = -yinc;
 820     }
 821
 822     SendMessageW( hwnd, WM_GETMINMAXINFO, 0, (LPARAM)&MinMax );
 823
 824     /* if the app didn't change the values, adapt them for the current monitor */
 825
 826     if ((monitor = MonitorFromWindow( hwnd, MONITOR_DEFAULTTOPRIMARY )))
 827     {
 828         MONITORINFO mon_info;
 829
 830         mon_info.cbSize = sizeof(mon_info);
 831         GetMonitorInfoW( monitor, &mon_info );
 832
 833         if (MinMax.ptMaxSize.x == GetSystemMetrics(SM_CXSCREEN) + 2 * xinc &&
 834             MinMax.ptMaxSize.y == GetSystemMetrics(SM_CYSCREEN) + 2 * yinc)
 835         {
 836             MinMax.ptMaxSize.x = (mon_info.rcWork.right - mon_info.rcWork.left) + 2 * xinc;
 837             MinMax.ptMaxSize.y = (mon_info.rcWork.bottom - mon_info.rcWork.top) + 2 * yinc;
 838         }
 839         if (MinMax.ptMaxPosition.x == -xinc && MinMax.ptMaxPosition.y == -yinc)
 840         {
 841             MinMax.ptMaxPosition.x = mon_info.rcWork.left - xinc;
 842             MinMax.ptMaxPosition.y = mon_info.rcWork.top - yinc;
 843         }
 844     }
 845
 846       /* Some sanity checks */
 847
 848     TRACE("%d %d / %d %d / %d %d / %d %d\n",
 849                       MinMax.ptMaxSize.x, MinMax.ptMaxSize.y,
 850                       MinMax.ptMaxPosition.x, MinMax.ptMaxPosition.y,
 851                       MinMax.ptMaxTrackSize.x, MinMax.ptMaxTrackSize.y,
 852                       MinMax.ptMinTrackSize.x, MinMax.ptMinTrackSize.y);
 853     MinMax.ptMaxTrackSize.x = max( MinMax.ptMaxTrackSize.x,
 854                                    MinMax.ptMinTrackSize.x );
 855     MinMax.ptMaxTrackSize.y = max( MinMax.ptMaxTrackSize.y,
 856                                    MinMax.ptMinTrackSize.y );
 857
 858     if (maxSize) *maxSize = MinMax.ptMaxSize;
 859     if (maxPos) *maxPos = MinMax.ptMaxPosition;
 860     if (minTrack) *minTrack = MinMax.ptMinTrackSize;
 861     if (maxTrack) *maxTrack = MinMax.ptMaxTrackSize;
 862 }
 863
 864 /***********************************************************************
 865  *              ShowWindowAsync (USER32.@)
 866  *
 867  * doesn't wait; returns immediately.
 868  * used by threads to toggle windows in other (possibly hanging) threads
 869  */
 870 BOOL WINAPI ShowWindowAsync( HWND hwnd, INT cmd )
 871 {
 872     HWND full_handle;
 873
 874     if (is_broadcast(hwnd))
 875     {
 876         SetLastError( ERROR_INVALID_PARAMETER );
 877         return FALSE;
 878     }
 879
 880     if ((full_handle = WIN_IsCurrentThread( hwnd )))
 881         return USER_Driver->pShowWindow( full_handle, cmd );
 882
 883     return SendNotifyMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
 884 }
 885
 886
 887 /***********************************************************************
 888  *              ShowWindow (USER32.@)
 889  */
 890 BOOL WINAPI ShowWindow( HWND hwnd, INT cmd )
 891 {
 892     HWND full_handle;
 893
 894     if (is_broadcast(hwnd))
 895     {
 896         SetLastError( ERROR_INVALID_PARAMETER );
 897         return FALSE;
 898     }
 899     if ((full_handle = WIN_IsCurrentThread( hwnd )))
 900         return USER_Driver->pShowWindow( full_handle, cmd );
 901
 902     return SendMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
 903 }
 904
 905
 906 /***********************************************************************
 907  *              GetInternalWindowPos (USER32.@)
 908  */
 909 UINT WINAPI GetInternalWindowPos( HWND hwnd, LPRECT rectWnd,
 910                                       LPPOINT ptIcon )
 911 {
 912     WINDOWPLACEMENT wndpl;
 913     if (GetWindowPlacement( hwnd, &wndpl ))
 914     {
 915         if (rectWnd) *rectWnd = wndpl.rcNormalPosition;
 916         if (ptIcon)  *ptIcon = wndpl.ptMinPosition;
 917         return wndpl.showCmd;
 918     }
 919     return 0;
 920 }
 921
 922
 923 /***********************************************************************
 924  *              GetWindowPlacement (USER32.@)
 925  *
 926  * Win95:
 927  * Fails if wndpl->length of Win95 (!) apps is invalid.
 928  */
 929 BOOL WINAPI GetWindowPlacement( HWND hwnd, WINDOWPLACEMENT *wndpl )
 930 {
 931     WND *pWnd = WIN_GetPtr( hwnd );
 932     LPINTERNALPOS lpPos;
 933
 934     if (!pWnd || pWnd == WND_DESKTOP) return FALSE;
 935     if (pWnd == WND_OTHER_PROCESS)
 936     {
 937         if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
 938         return FALSE;
 939     }
 940
 941     lpPos = WINPOS_InitInternalPos( pWnd );
 942     wndpl->length  = sizeof(*wndpl);
 943     if( pWnd->dwStyle & WS_MINIMIZE )
 944         wndpl->showCmd = SW_SHOWMINIMIZED;
 945     else
 946         wndpl->showCmd = ( pWnd->dwStyle & WS_MAXIMIZE ) ? SW_SHOWMAXIMIZED : SW_SHOWNORMAL ;
 947     if( pWnd->flags & WIN_RESTORE_MAX )
 948         wndpl->flags = WPF_RESTORETOMAXIMIZED;
 949     else
 950         wndpl->flags = 0;
 951     wndpl->ptMinPosition.x = lpPos->ptIconPos.x;
 952     wndpl->ptMinPosition.y = lpPos->ptIconPos.y;
 953     wndpl->ptMaxPosition.x = lpPos->ptMaxPos.x;
 954     wndpl->ptMaxPosition.y = lpPos->ptMaxPos.y;
 955     wndpl->rcNormalPosition.left   = lpPos->rectNormal.left;
 956     wndpl->rcNormalPosition.top    = lpPos->rectNormal.top;
 957     wndpl->rcNormalPosition.right  = lpPos->rectNormal.right;
 958     wndpl->rcNormalPosition.bottom = lpPos->rectNormal.bottom;
 959     WIN_ReleasePtr( pWnd );
 960     return TRUE;
 961 }
 962
 963
 964 /***********************************************************************
 965  *           WINPOS_SetPlacement
 966  */
 967 static BOOL WINPOS_SetPlacement( HWND hwnd, const WINDOWPLACEMENT *wndpl, UINT flags )
 968 {
 969     LPINTERNALPOS lpPos;
 970     DWORD style;
 971     WND *pWnd = WIN_GetPtr( hwnd );
 972
 973     if (!pWnd || pWnd == WND_OTHER_PROCESS || pWnd == WND_DESKTOP) return FALSE;
 974     lpPos = WINPOS_InitInternalPos( pWnd );
 975
 976     if( flags & PLACE_MIN )
 977     {
 978         lpPos->ptIconPos.x = wndpl->ptMinPosition.x;
 979         lpPos->ptIconPos.y = wndpl->ptMinPosition.y;
 980     }
 981     if( flags & PLACE_MAX )
 982     {
 983         lpPos->ptMaxPos.x = wndpl->ptMaxPosition.x;
 984         lpPos->ptMaxPos.y = wndpl->ptMaxPosition.y;
 985     }
 986     if( flags & PLACE_RECT)
 987     {
 988         lpPos->rectNormal.left   = wndpl->rcNormalPosition.left;
 989         lpPos->rectNormal.top    = wndpl->rcNormalPosition.top;
 990         lpPos->rectNormal.right  = wndpl->rcNormalPosition.right;
 991         lpPos->rectNormal.bottom = wndpl->rcNormalPosition.bottom;
 992     }
 993
 994     style = pWnd->dwStyle;
 995     WIN_ReleasePtr( pWnd );
 996
 997     if( style & WS_MINIMIZE )
 998     {
 999         WINPOS_ShowIconTitle( hwnd, FALSE );
1000         if( wndpl->flags & WPF_SETMINPOSITION && !EMPTYPOINT(lpPos->ptIconPos))
1001             SetWindowPos( hwnd, 0, lpPos->ptIconPos.x, lpPos->ptIconPos.y,
1002                           0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
1003     }
1004     else if( style & WS_MAXIMIZE )
1005     {
1006         if( !EMPTYPOINT(lpPos->ptMaxPos) )
1007             SetWindowPos( hwnd, 0, lpPos->ptMaxPos.x, lpPos->ptMaxPos.y,
1008                           0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
1009     }
1010     else if( flags & PLACE_RECT )
1011         SetWindowPos( hwnd, 0, lpPos->rectNormal.left, lpPos->rectNormal.top,
1012                       lpPos->rectNormal.right - lpPos->rectNormal.left,
1013                       lpPos->rectNormal.bottom - lpPos->rectNormal.top,
1014                       SWP_NOZORDER | SWP_NOACTIVATE );
1015
1016     ShowWindow( hwnd, wndpl->showCmd );
1017
1018     if (IsIconic( hwnd ))
1019     {
1020         if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE) WINPOS_ShowIconTitle( hwnd, TRUE );
1021
1022         /* SDK: ...valid only the next time... */
1023         if( wndpl->flags & WPF_RESTORETOMAXIMIZED )
1024         {
1025             pWnd = WIN_GetPtr( hwnd );
1026             if (pWnd && pWnd != WND_OTHER_PROCESS)
1027             {
1028                 pWnd->flags |= WIN_RESTORE_MAX;
1029                 WIN_ReleasePtr( pWnd );
1030             }
1031         }
1032     }
1033     return TRUE;
1034 }
1035
1036
1037 /***********************************************************************
1038  *              SetWindowPlacement (USER32.@)
1039  *
1040  * Win95:
1041  * Fails if wndpl->length of Win95 (!) apps is invalid.
1042  */
1043 BOOL WINAPI SetWindowPlacement( HWND hwnd, const WINDOWPLACEMENT *wpl )
1044 {
1045     if (!wpl) return FALSE;
1046     return WINPOS_SetPlacement( hwnd, wpl, PLACE_MIN | PLACE_MAX | PLACE_RECT );
1047 }
1048
1049
1050 /***********************************************************************
1051  *              AnimateWindow (USER32.@)
1052  *              Shows/Hides a window with an animation
1053  *              NO ANIMATION YET
1054  */
1055 BOOL WINAPI AnimateWindow(HWND hwnd, DWORD dwTime, DWORD dwFlags)
1056 {
1057         FIXME("partial stub\n");
1058
1059         /* If trying to show/hide and it's already   *
1060          * shown/hidden or invalid window, fail with *
1061          * invalid parameter                         */
1062         if(!IsWindow(hwnd) ||
1063            (IsWindowVisible(hwnd) && !(dwFlags & AW_HIDE)) ||
1064            (!IsWindowVisible(hwnd) && (dwFlags & AW_HIDE)))
1065         {
1066                 SetLastError(ERROR_INVALID_PARAMETER);
1067                 return FALSE;
1068         }
1069
1070         ShowWindow(hwnd, (dwFlags & AW_HIDE) ? SW_HIDE : ((dwFlags & AW_ACTIVATE) ? SW_SHOW : SW_SHOWNA));
1071
1072         return TRUE;
1073 }
1074
1075 /***********************************************************************
1076  *              SetInternalWindowPos (USER32.@)
1077  */
1078 void WINAPI SetInternalWindowPos( HWND hwnd, UINT showCmd,
1079                                     LPRECT rect, LPPOINT pt )
1080 {
1081     if( IsWindow(hwnd) )
1082     {
1083         WINDOWPLACEMENT wndpl;
1084         UINT flags;
1085
1086         wndpl.length  = sizeof(wndpl);
1087         wndpl.showCmd = showCmd;
1088         wndpl.flags = flags = 0;
1089
1090         if( pt )
1091         {
1092             flags |= PLACE_MIN;
1093             wndpl.flags |= WPF_SETMINPOSITION;
1094             wndpl.ptMinPosition = *pt;
1095         }
1096         if( rect )
1097         {
1098             flags |= PLACE_RECT;
1099             wndpl.rcNormalPosition = *rect;
1100         }
1101         WINPOS_SetPlacement( hwnd, &wndpl, flags );
1102     }
1103 }
1104
1105
1106 /*******************************************************************
1107  *         can_activate_window
1108  *
1109  * Check if we can activate the specified window.
1110  */
1111 static BOOL can_activate_window( HWND hwnd )
1112 {
1113     LONG style;
1114
1115     if (!hwnd) return FALSE;
1116     style = GetWindowLongW( hwnd, GWL_STYLE );
1117     if (!(style & WS_VISIBLE)) return FALSE;
1118     if ((style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return FALSE;
1119     return !(style & WS_DISABLED);
1120 }
1121
1122
1123 /*******************************************************************
1124  *         WINPOS_ActivateOtherWindow
1125  *
1126  *  Activates window other than pWnd.
1127  */
1128 void WINPOS_ActivateOtherWindow(HWND hwnd)
1129 {
1130     HWND hwndTo, fg;
1131
1132     if ((GetWindowLongW( hwnd, GWL_STYLE ) & WS_POPUP) && (hwndTo = GetWindow( hwnd, GW_OWNER )))
1133     {
1134         hwndTo = GetAncestor( hwndTo, GA_ROOT );
1135         if (can_activate_window( hwndTo )) goto done;
1136     }
1137
1138     hwndTo = hwnd;
1139     for (;;)
1140     {
1141         if (!(hwndTo = GetWindow( hwndTo, GW_HWNDNEXT ))) break;
1142         if (can_activate_window( hwndTo )) break;
1143     }
1144
1145  done:
1146     fg = GetForegroundWindow();
1147     TRACE("win = %p fg = %p\n", hwndTo, fg);
1148     if (!fg || (hwnd == fg))
1149     {
1150         if (SetForegroundWindow( hwndTo )) return;
1151     }
1152     if (!SetActiveWindow( hwndTo )) SetActiveWindow(0);
1153 }
1154
1155
1156 /***********************************************************************
1157  *           WINPOS_HandleWindowPosChanging
1158  *
1159  * Default handling for a WM_WINDOWPOSCHANGING. Called from DefWindowProc().
1160  */
1161 LONG WINPOS_HandleWindowPosChanging( HWND hwnd, WINDOWPOS *winpos )
1162 {
1163     POINT minTrack, maxTrack;
1164     LONG style = GetWindowLongW( hwnd, GWL_STYLE );
1165
1166     if (winpos->flags & SWP_NOSIZE) return 0;
1167     if ((style & WS_THICKFRAME) || ((style & (WS_POPUP | WS_CHILD)) == 0))
1168     {
1169         WINPOS_GetMinMaxInfo( hwnd, NULL, NULL, &minTrack, &maxTrack );
1170         if (winpos->cx > maxTrack.x) winpos->cx = maxTrack.x;
1171         if (winpos->cy > maxTrack.y) winpos->cy = maxTrack.y;
1172         if (!(style & WS_MINIMIZE))
1173         {
1174             if (winpos->cx < minTrack.x ) winpos->cx = minTrack.x;
1175             if (winpos->cy < minTrack.y ) winpos->cy = minTrack.y;
1176         }
1177     }
1178     return 0;
1179 }
1180
1181
1182 /***********************************************************************
1183  *           dump_winpos_flags
1184  */
1185 static void dump_winpos_flags(UINT flags)
1186 {
1187     TRACE("flags:");
1188     if(flags & SWP_NOSIZE) TRACE(" SWP_NOSIZE");
1189     if(flags & SWP_NOMOVE) TRACE(" SWP_NOMOVE");
1190     if(flags & SWP_NOZORDER) TRACE(" SWP_NOZORDER");
1191     if(flags & SWP_NOREDRAW) TRACE(" SWP_NOREDRAW");
1192     if(flags & SWP_NOACTIVATE) TRACE(" SWP_NOACTIVATE");
1193     if(flags & SWP_FRAMECHANGED) TRACE(" SWP_FRAMECHANGED");
1194     if(flags & SWP_SHOWWINDOW) TRACE(" SWP_SHOWWINDOW");
1195     if(flags & SWP_HIDEWINDOW) TRACE(" SWP_HIDEWINDOW");
1196     if(flags & SWP_NOCOPYBITS) TRACE(" SWP_NOCOPYBITS");
1197     if(flags & SWP_NOOWNERZORDER) TRACE(" SWP_NOOWNERZORDER");
1198     if(flags & SWP_NOSENDCHANGING) TRACE(" SWP_NOSENDCHANGING");
1199     if(flags & SWP_DEFERERASE) TRACE(" SWP_DEFERERASE");
1200     if(flags & SWP_ASYNCWINDOWPOS) TRACE(" SWP_ASYNCWINDOWPOS");
1201
1202 #define DUMPED_FLAGS \
1203     (SWP_NOSIZE | \
1204     SWP_NOMOVE | \
1205     SWP_NOZORDER | \
1206     SWP_NOREDRAW | \
1207     SWP_NOACTIVATE | \
1208     SWP_FRAMECHANGED | \
1209     SWP_SHOWWINDOW | \
1210     SWP_HIDEWINDOW | \
1211     SWP_NOCOPYBITS | \
1212     SWP_NOOWNERZORDER | \
1213     SWP_NOSENDCHANGING | \
1214     SWP_DEFERERASE | \
1215     SWP_ASYNCWINDOWPOS)
1216
1217     if(flags & ~DUMPED_FLAGS) TRACE(" %08x", flags & ~DUMPED_FLAGS);
1218     TRACE("\n");
1219 #undef DUMPED_FLAGS
1220 }
1221
1222 /***********************************************************************
1223  *           SWP_DoWinPosChanging
1224  */
1225 static BOOL SWP_DoWinPosChanging( WINDOWPOS* pWinpos, RECT* pNewWindowRect, RECT* pNewClientRect )
1226 {
1227     WND *wndPtr;
1228
1229     /* Send WM_WINDOWPOSCHANGING message */
1230
1231     if (!(pWinpos->flags & SWP_NOSENDCHANGING))
1232         SendMessageW( pWinpos->hwnd, WM_WINDOWPOSCHANGING, 0, (LPARAM)pWinpos );
1233
1234     if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) ||
1235         wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
1236
1237     /* Calculate new position and size */
1238
1239     *pNewWindowRect = wndPtr->rectWindow;
1240     *pNewClientRect = (wndPtr->dwStyle & WS_MINIMIZE) ? wndPtr->rectWindow
1241                                                     : wndPtr->rectClient;
1242
1243     if (!(pWinpos->flags & SWP_NOSIZE))
1244     {
1245         pNewWindowRect->right  = pNewWindowRect->left + pWinpos->cx;
1246         pNewWindowRect->bottom = pNewWindowRect->top + pWinpos->cy;
1247     }
1248     if (!(pWinpos->flags & SWP_NOMOVE))
1249     {
1250         pNewWindowRect->left    = pWinpos->x;
1251         pNewWindowRect->top     = pWinpos->y;
1252         pNewWindowRect->right  += pWinpos->x - wndPtr->rectWindow.left;
1253         pNewWindowRect->bottom += pWinpos->y - wndPtr->rectWindow.top;
1254
1255         OffsetRect( pNewClientRect, pWinpos->x - wndPtr->rectWindow.left,
1256                                     pWinpos->y - wndPtr->rectWindow.top );
1257     }
1258     pWinpos->flags |= SWP_NOCLIENTMOVE | SWP_NOCLIENTSIZE;
1259
1260     TRACE( "hwnd %p, after %p, swp %d,%d %dx%d flags %08x\n",
1261            pWinpos->hwnd, pWinpos->hwndInsertAfter, pWinpos->x, pWinpos->y,
1262            pWinpos->cx, pWinpos->cy, pWinpos->flags );
1263     TRACE( "current %s style %08x new %s\n",
1264            wine_dbgstr_rect( &wndPtr->rectWindow ), wndPtr->dwStyle,
1265            wine_dbgstr_rect( pNewWindowRect ));
1266
1267     WIN_ReleasePtr( wndPtr );
1268     return TRUE;
1269 }
1270
1271 /***********************************************************************
1272  *           get_valid_rects
1273  *
1274  * Compute the valid rects from the old and new client rect and WVR_* flags.
1275  * Helper for WM_NCCALCSIZE handling.
1276  */
1277 static inline void get_valid_rects( const RECT *old_client, const RECT *new_client, UINT flags,
1278                                     RECT *valid )
1279 {
1280     int cx, cy;
1281
1282     if (flags & WVR_REDRAW)
1283     {
1284         SetRectEmpty( &valid[0] );
1285         SetRectEmpty( &valid[1] );
1286         return;
1287     }
1288
1289     if (flags & WVR_VALIDRECTS)
1290     {
1291         if (!IntersectRect( &valid[0], &valid[0], new_client ) ||
1292             !IntersectRect( &valid[1], &valid[1], old_client ))
1293         {
1294             SetRectEmpty( &valid[0] );
1295             SetRectEmpty( &valid[1] );
1296             return;
1297         }
1298         flags = WVR_ALIGNLEFT | WVR_ALIGNTOP;
1299     }
1300     else
1301     {
1302         valid[0] = *new_client;
1303         valid[1] = *old_client;
1304     }
1305
1306     /* make sure the rectangles have the same size */
1307     cx = min( valid[0].right - valid[0].left, valid[1].right - valid[1].left );
1308     cy = min( valid[0].bottom - valid[0].top, valid[1].bottom - valid[1].top );
1309
1310     if (flags & WVR_ALIGNBOTTOM)
1311     {
1312         valid[0].top = valid[0].bottom - cy;
1313         valid[1].top = valid[1].bottom - cy;
1314     }
1315     else
1316     {
1317         valid[0].bottom = valid[0].top + cy;
1318         valid[1].bottom = valid[1].top + cy;
1319     }
1320     if (flags & WVR_ALIGNRIGHT)
1321     {
1322         valid[0].left = valid[0].right - cx;
1323         valid[1].left = valid[1].right - cx;
1324     }
1325     else
1326     {
1327         valid[0].right = valid[0].left + cx;
1328         valid[1].right = valid[1].left + cx;
1329     }
1330 }
1331
1332 struct move_owned_info
1333 {
1334     HWND owner;
1335     HWND insert_after;
1336 };
1337
1338 static BOOL CALLBACK move_owned_popups( HWND hwnd, LPARAM lparam )
1339 {
1340     struct move_owned_info *info = (struct move_owned_info *)lparam;
1341
1342     if (hwnd == info->owner) return FALSE;
1343     if ((GetWindowLongW( hwnd, GWL_STYLE ) & WS_POPUP) &&
1344         GetWindow( hwnd, GW_OWNER ) == info->owner)
1345     {
1346         SetWindowPos( hwnd, info->insert_after, 0, 0, 0, 0,
1347                       SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE |
1348                       SWP_NOSENDCHANGING | SWP_DEFERERASE );
1349         info->insert_after = hwnd;
1350     }
1351     return TRUE;
1352 }
1353
1354 /***********************************************************************
1355  *           SWP_DoOwnedPopups
1356  *
1357  * fix Z order taking into account owned popups -
1358  * basically we need to maintain them above the window that owns them
1359  *
1360  * FIXME: hide/show owned popups when owner visibility changes.
1361  */
1362 static HWND SWP_DoOwnedPopups(HWND hwnd, HWND hwndInsertAfter)
1363 {
1364     HWND owner = GetWindow( hwnd, GW_OWNER );
1365     LONG style = GetWindowLongW( hwnd, GWL_STYLE );
1366     struct move_owned_info info;
1367
1368     TRACE("(%p) hInsertAfter = %p\n", hwnd, hwndInsertAfter );
1369
1370     if ((style & WS_POPUP) && owner)
1371     {
1372         /* make sure this popup stays above the owner */
1373
1374         if( hwndInsertAfter != HWND_TOP )
1375         {
1376             HWND hwndLocalPrev = HWND_TOP;
1377             HWND prev = GetWindow( owner, GW_HWNDPREV );
1378
1379             while (prev && prev != hwndInsertAfter)
1380             {
1381                 if (hwndLocalPrev == HWND_TOP && GetWindowLongW( prev, GWL_STYLE ) & WS_VISIBLE)
1382                     hwndLocalPrev = prev;
1383                 prev = GetWindow( prev, GW_HWNDPREV );
1384             }
1385             if (!prev) hwndInsertAfter = hwndLocalPrev;
1386         }
1387     }
1388     else if (style & WS_CHILD) return hwndInsertAfter;
1389
1390     info.owner = hwnd;
1391     info.insert_after = hwndInsertAfter;
1392     EnumWindows( move_owned_popups, (LPARAM)&info );
1393     return info.insert_after;
1394 }
1395
1396 /***********************************************************************
1397  *           SWP_DoNCCalcSize
1398  */
1399 static UINT SWP_DoNCCalcSize( WINDOWPOS* pWinpos, const RECT* pNewWindowRect, RECT* pNewClientRect,
1400                               RECT *validRects )
1401 {
1402     UINT wvrFlags = 0;
1403     WND *wndPtr;
1404
1405     if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
1406
1407       /* Send WM_NCCALCSIZE message to get new client area */
1408     if( (pWinpos->flags & (SWP_FRAMECHANGED | SWP_NOSIZE)) != SWP_NOSIZE )
1409     {
1410         NCCALCSIZE_PARAMS params;
1411         WINDOWPOS winposCopy;
1412
1413         params.rgrc[0] = *pNewWindowRect;
1414         params.rgrc[1] = wndPtr->rectWindow;
1415         params.rgrc[2] = wndPtr->rectClient;
1416         params.lppos = &winposCopy;
1417         winposCopy = *pWinpos;
1418         WIN_ReleasePtr( wndPtr );
1419
1420         wvrFlags = SendMessageW( pWinpos->hwnd, WM_NCCALCSIZE, TRUE, (LPARAM)&params );
1421
1422         *pNewClientRect = params.rgrc[0];
1423
1424         if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
1425
1426         TRACE( "hwnd %p old win %s old client %s new win %s new client %s\n", pWinpos->hwnd,
1427                wine_dbgstr_rect(&wndPtr->rectWindow), wine_dbgstr_rect(&wndPtr->rectClient),
1428                wine_dbgstr_rect(pNewWindowRect), wine_dbgstr_rect(pNewClientRect) );
1429
1430         if( pNewClientRect->left != wndPtr->rectClient.left ||
1431             pNewClientRect->top != wndPtr->rectClient.top )
1432             pWinpos->flags &= ~SWP_NOCLIENTMOVE;
1433
1434         if( (pNewClientRect->right - pNewClientRect->left !=
1435              wndPtr->rectClient.right - wndPtr->rectClient.left))
1436             pWinpos->flags &= ~SWP_NOCLIENTSIZE;
1437         else
1438             wvrFlags &= ~WVR_HREDRAW;
1439
1440         if (pNewClientRect->bottom - pNewClientRect->top !=
1441              wndPtr->rectClient.bottom - wndPtr->rectClient.top)
1442             pWinpos->flags &= ~SWP_NOCLIENTSIZE;
1443         else
1444             wvrFlags &= ~WVR_VREDRAW;
1445
1446         validRects[0] = params.rgrc[1];
1447         validRects[1] = params.rgrc[2];
1448     }
1449     else
1450     {
1451         if (!(pWinpos->flags & SWP_NOMOVE) &&
1452             (pNewClientRect->left != wndPtr->rectClient.left ||
1453              pNewClientRect->top != wndPtr->rectClient.top))
1454             pWinpos->flags &= ~SWP_NOCLIENTMOVE;
1455     }
1456
1457     if (pWinpos->flags & (SWP_NOCOPYBITS | SWP_NOREDRAW | SWP_SHOWWINDOW | SWP_HIDEWINDOW))
1458     {
1459         SetRectEmpty( &validRects[0] );
1460         SetRectEmpty( &validRects[1] );
1461     }
1462     else get_valid_rects( &wndPtr->rectClient, pNewClientRect, wvrFlags, validRects );
1463
1464     WIN_ReleasePtr( wndPtr );
1465     return wvrFlags;
1466 }
1467
1468 /* fix redundant flags and values in the WINDOWPOS structure */
1469 static BOOL fixup_flags( WINDOWPOS *winpos )
1470 {
1471     HWND parent;
1472     WND *wndPtr = WIN_GetPtr( winpos->hwnd );
1473     BOOL ret = TRUE;
1474
1475     if (!wndPtr || wndPtr == WND_OTHER_PROCESS)
1476     {
1477         SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1478         return FALSE;
1479     }
1480     winpos->hwnd = wndPtr->hwndSelf;  /* make it a full handle */
1481
1482     /* Finally make sure that all coordinates are valid */
1483     if (winpos->x < -32768) winpos->x = -32768;
1484     else if (winpos->x > 32767) winpos->x = 32767;
1485     if (winpos->y < -32768) winpos->y = -32768;
1486     else if (winpos->y > 32767) winpos->y = 32767;
1487
1488     if (winpos->cx < 0) winpos->cx = 0;
1489     else if (winpos->cx > 32767) winpos->cx = 32767;
1490     if (winpos->cy < 0) winpos->cy = 0;
1491     else if (winpos->cy > 32767) winpos->cy = 32767;
1492
1493     parent = GetAncestor( winpos->hwnd, GA_PARENT );
1494     if (!IsWindowVisible( parent )) winpos->flags |= SWP_NOREDRAW;
1495
1496     if (wndPtr->dwStyle & WS_VISIBLE) winpos->flags &= ~SWP_SHOWWINDOW;
1497     else
1498     {
1499         winpos->flags &= ~SWP_HIDEWINDOW;
1500         if (!(winpos->flags & SWP_SHOWWINDOW)) winpos->flags |= SWP_NOREDRAW;
1501     }
1502
1503     if ((wndPtr->rectWindow.right - wndPtr->rectWindow.left == winpos->cx) &&
1504         (wndPtr->rectWindow.bottom - wndPtr->rectWindow.top == winpos->cy))
1505         winpos->flags |= SWP_NOSIZE;    /* Already the right size */
1506
1507     if ((wndPtr->rectWindow.left == winpos->x) && (wndPtr->rectWindow.top == winpos->y))
1508         winpos->flags |= SWP_NOMOVE;    /* Already the right position */
1509
1510     if ((wndPtr->dwStyle & (WS_POPUP | WS_CHILD)) != WS_CHILD)
1511     {
1512         if (!(winpos->flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW))) /* Bring to the top when activating */
1513         {
1514             winpos->flags &= ~SWP_NOZORDER;
1515             winpos->hwndInsertAfter = HWND_TOP;
1516         }
1517     }
1518
1519     /* Check hwndInsertAfter */
1520     if (winpos->flags & SWP_NOZORDER) goto done;
1521
1522     /* fix sign extension */
1523     if (winpos->hwndInsertAfter == (HWND)0xffff) winpos->hwndInsertAfter = HWND_TOPMOST;
1524     else if (winpos->hwndInsertAfter == (HWND)0xfffe) winpos->hwndInsertAfter = HWND_NOTOPMOST;
1525
1526       /* FIXME: TOPMOST not supported yet */
1527     if ((winpos->hwndInsertAfter == HWND_TOPMOST) ||
1528         (winpos->hwndInsertAfter == HWND_NOTOPMOST)) winpos->hwndInsertAfter = HWND_TOP;
1529
1530     /* hwndInsertAfter must be a sibling of the window */
1531     if (winpos->hwndInsertAfter == HWND_TOP)
1532     {
1533         if (GetWindow(winpos->hwnd, GW_HWNDFIRST) == winpos->hwnd)
1534             winpos->flags |= SWP_NOZORDER;
1535     }
1536     else if (winpos->hwndInsertAfter == HWND_BOTTOM)
1537     {
1538         if (GetWindow(winpos->hwnd, GW_HWNDLAST) == winpos->hwnd)
1539             winpos->flags |= SWP_NOZORDER;
1540     }
1541     else
1542     {
1543         if (GetAncestor( winpos->hwndInsertAfter, GA_PARENT ) != parent) ret = FALSE;
1544         else
1545         {
1546             /* don't need to change the Zorder of hwnd if it's already inserted
1547              * after hwndInsertAfter or when inserting hwnd after itself.
1548              */
1549             if ((winpos->hwnd == winpos->hwndInsertAfter) ||
1550                 (winpos->hwnd == GetWindow( winpos->hwndInsertAfter, GW_HWNDNEXT )))
1551                 winpos->flags |= SWP_NOZORDER;
1552         }
1553     }
1554  done:
1555     WIN_ReleasePtr( wndPtr );
1556     return ret;
1557 }
1558
1559 /***********************************************************************
1560  *              USER_SetWindowPos
1561  *
1562  *     User32 internal function
1563  */
1564 BOOL USER_SetWindowPos( WINDOWPOS * winpos )
1565 {
1566     RECT newWindowRect, newClientRect, valid_rects[2];
1567     UINT orig_flags;
1568
1569     orig_flags = winpos->flags;
1570
1571     /* First make sure that coordinates are valid for WM_WINDOWPOSCHANGING */
1572     if (!(winpos->flags & SWP_NOMOVE))
1573     {
1574         if (winpos->x < -32768) winpos->x = -32768;
1575         else if (winpos->x > 32767) winpos->x = 32767;
1576         if (winpos->y < -32768) winpos->y = -32768;
1577         else if (winpos->y > 32767) winpos->y = 32767;
1578     }
1579     if (!(winpos->flags & SWP_NOSIZE))
1580     {
1581         if (winpos->cx < 0) winpos->cx = 0;
1582         else if (winpos->cx > 32767) winpos->cx = 32767;
1583         if (winpos->cy < 0) winpos->cy = 0;
1584         else if (winpos->cy > 32767) winpos->cy = 32767;
1585     }
1586
1587     if (!SWP_DoWinPosChanging( winpos, &newWindowRect, &newClientRect )) return FALSE;
1588
1589     /* Fix redundant flags */
1590     if (!fixup_flags( winpos )) return FALSE;
1591
1592     if((winpos->flags & (SWP_NOZORDER | SWP_HIDEWINDOW | SWP_SHOWWINDOW)) != SWP_NOZORDER)
1593     {
1594         if (GetAncestor( winpos->hwnd, GA_PARENT ) == GetDesktopWindow())
1595             winpos->hwndInsertAfter = SWP_DoOwnedPopups( winpos->hwnd, winpos->hwndInsertAfter );
1596     }
1597
1598     /* Common operations */
1599
1600     SWP_DoNCCalcSize( winpos, &newWindowRect, &newClientRect, valid_rects );
1601
1602     if(!USER_Driver->pSetWindowPos( winpos->hwnd, winpos->hwndInsertAfter,
1603                             &newWindowRect, &newClientRect, orig_flags, valid_rects ))
1604         return FALSE;
1605
1606     /* erase parent when hiding or resizing child */
1607     if (!(orig_flags & SWP_DEFERERASE) &&
1608         ((orig_flags & SWP_HIDEWINDOW) ||
1609          (!(orig_flags & SWP_SHOWWINDOW) &&
1610           (winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOGEOMETRYCHANGE)))
1611     {
1612         HWND parent = GetAncestor( winpos->hwnd, GA_PARENT );
1613         if (!parent || parent == GetDesktopWindow()) parent = winpos->hwnd;
1614         erase_now( parent, 0 );
1615     }
1616
1617     if( winpos->flags & SWP_HIDEWINDOW )
1618         HideCaret(winpos->hwnd);
1619     else if (winpos->flags & SWP_SHOWWINDOW)
1620         ShowCaret(winpos->hwnd);
1621
1622     if (!(winpos->flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW)))
1623     {
1624         /* child windows get WM_CHILDACTIVATE message */
1625         if ((GetWindowLongW( winpos->hwnd, GWL_STYLE ) & (WS_CHILD | WS_POPUP)) == WS_CHILD)
1626             SendMessageW( winpos->hwnd, WM_CHILDACTIVATE, 0, 0 );
1627         else
1628             SetForegroundWindow( winpos->hwnd );
1629     }
1630
1631       /* And last, send the WM_WINDOWPOSCHANGED message */
1632
1633     TRACE("\tstatus flags = %04x\n", winpos->flags & SWP_AGG_STATUSFLAGS);
1634
1635     if (((winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOPOSCHANGE))
1636     {
1637         /* WM_WINDOWPOSCHANGED is sent even if SWP_NOSENDCHANGING is set
1638            and always contains final window position.
1639          */
1640         winpos->x = newWindowRect.left;
1641         winpos->y = newWindowRect.top;
1642         winpos->cx = newWindowRect.right - newWindowRect.left;
1643         winpos->cy = newWindowRect.bottom - newWindowRect.top;
1644         SendMessageW( winpos->hwnd, WM_WINDOWPOSCHANGED, 0, (LPARAM)winpos );
1645     }
1646     return TRUE;
1647 }
1648
1649 /***********************************************************************
1650  *              SetWindowPos (USER32.@)
1651  */
1652 BOOL WINAPI SetWindowPos( HWND hwnd, HWND hwndInsertAfter,
1653                           INT x, INT y, INT cx, INT cy, UINT flags )
1654 {
1655     WINDOWPOS winpos;
1656
1657     TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
1658           hwnd, hwndInsertAfter, x, y, cx, cy, flags);
1659     if(TRACE_ON(win)) dump_winpos_flags(flags);
1660
1661     if (is_broadcast(hwnd))
1662     {
1663         SetLastError( ERROR_INVALID_PARAMETER );
1664         return FALSE;
1665     }
1666
1667     winpos.hwnd = WIN_GetFullHandle(hwnd);
1668     winpos.hwndInsertAfter = WIN_GetFullHandle(hwndInsertAfter);
1669     winpos.x = x;
1670     winpos.y = y;
1671     winpos.cx = cx;
1672     winpos.cy = cy;
1673     winpos.flags = flags;
1674
1675     if (WIN_IsCurrentThread( hwnd ))
1676         return USER_SetWindowPos(&winpos);
1677
1678     return SendMessageW( winpos.hwnd, WM_WINE_SETWINDOWPOS, 0, (LPARAM)&winpos );
1679 }
1680
1681
1682 /***********************************************************************
1683  *              BeginDeferWindowPos (USER32.@)
1684  */
1685 HDWP WINAPI BeginDeferWindowPos( INT count )
1686 {
1687     HDWP handle;
1688     DWP *pDWP;
1689
1690     TRACE("%d\n", count);
1691
1692     if (count < 0)
1693     {
1694         SetLastError(ERROR_INVALID_PARAMETER);
1695         return 0;
1696     }
1697     /* Windows allows zero count, in which case it allocates context for 8 moves */
1698     if (count == 0) count = 8;
1699
1700     handle = USER_HEAP_ALLOC( sizeof(DWP) + (count-1)*sizeof(WINDOWPOS) );
1701     if (!handle) return 0;
1702     pDWP = (DWP *) USER_HEAP_LIN_ADDR( handle );
1703     pDWP->actualCount    = 0;
1704     pDWP->suggestedCount = count;
1705     pDWP->valid          = TRUE;
1706     pDWP->wMagic         = DWP_MAGIC;
1707     pDWP->hwndParent     = 0;
1708
1709     TRACE("returning hdwp %p\n", handle);
1710     return handle;
1711 }
1712
1713
1714 /***********************************************************************
1715  *              DeferWindowPos (USER32.@)
1716  */
1717 HDWP WINAPI DeferWindowPos( HDWP hdwp, HWND hwnd, HWND hwndAfter,
1718                                 INT x, INT y, INT cx, INT cy,
1719                                 UINT flags )
1720 {
1721     DWP *pDWP;
1722     int i;
1723     HDWP newhdwp = hdwp,retvalue;
1724
1725     TRACE("hdwp %p, hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
1726           hdwp, hwnd, hwndAfter, x, y, cx, cy, flags);
1727
1728     hwnd = WIN_GetFullHandle( hwnd );
1729     if (hwnd == GetDesktopWindow()) return 0;
1730
1731     if (!(pDWP = USER_HEAP_LIN_ADDR( hdwp ))) return 0;
1732
1733     USER_Lock();
1734
1735     for (i = 0; i < pDWP->actualCount; i++)
1736     {
1737         if (pDWP->winPos[i].hwnd == hwnd)
1738         {
1739               /* Merge with the other changes */
1740             if (!(flags & SWP_NOZORDER))
1741             {
1742                 pDWP->winPos[i].hwndInsertAfter = WIN_GetFullHandle(hwndAfter);
1743             }
1744             if (!(flags & SWP_NOMOVE))
1745             {
1746                 pDWP->winPos[i].x = x;
1747                 pDWP->winPos[i].y = y;
1748             }
1749             if (!(flags & SWP_NOSIZE))
1750             {
1751                 pDWP->winPos[i].cx = cx;
1752                 pDWP->winPos[i].cy = cy;
1753             }
1754             pDWP->winPos[i].flags &= flags | ~(SWP_NOSIZE | SWP_NOMOVE |
1755                                                SWP_NOZORDER | SWP_NOREDRAW |
1756                                                SWP_NOACTIVATE | SWP_NOCOPYBITS|
1757                                                SWP_NOOWNERZORDER);
1758             pDWP->winPos[i].flags |= flags & (SWP_SHOWWINDOW | SWP_HIDEWINDOW |
1759                                               SWP_FRAMECHANGED);
1760             retvalue = hdwp;
1761             goto END;
1762         }
1763     }
1764     if (pDWP->actualCount >= pDWP->suggestedCount)
1765     {
1766         newhdwp = USER_HEAP_REALLOC( hdwp,
1767                       sizeof(DWP) + pDWP->suggestedCount*sizeof(WINDOWPOS) );
1768         if (!newhdwp)
1769         {
1770             retvalue = 0;
1771             goto END;
1772         }
1773         pDWP = (DWP *) USER_HEAP_LIN_ADDR( newhdwp );
1774         pDWP->suggestedCount++;
1775     }
1776     pDWP->winPos[pDWP->actualCount].hwnd = hwnd;
1777     pDWP->winPos[pDWP->actualCount].hwndInsertAfter = hwndAfter;
1778     pDWP->winPos[pDWP->actualCount].x = x;
1779     pDWP->winPos[pDWP->actualCount].y = y;
1780     pDWP->winPos[pDWP->actualCount].cx = cx;
1781     pDWP->winPos[pDWP->actualCount].cy = cy;
1782     pDWP->winPos[pDWP->actualCount].flags = flags;
1783     pDWP->actualCount++;
1784     retvalue = newhdwp;
1785 END:
1786     USER_Unlock();
1787     return retvalue;
1788 }
1789
1790
1791 /***********************************************************************
1792  *              EndDeferWindowPos (USER32.@)
1793  */
1794 BOOL WINAPI EndDeferWindowPos( HDWP hdwp )
1795 {
1796     DWP *pDWP;
1797     WINDOWPOS *winpos;
1798     BOOL res = TRUE;
1799     int i;
1800
1801     TRACE("%p\n", hdwp);
1802
1803     pDWP = (DWP *) USER_HEAP_LIN_ADDR( hdwp );
1804     if (!pDWP) return FALSE;
1805     for (i = 0, winpos = pDWP->winPos; i < pDWP->actualCount; i++, winpos++)
1806     {
1807         TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
1808                winpos->hwnd, winpos->hwndInsertAfter, winpos->x, winpos->y,
1809                winpos->cx, winpos->cy, winpos->flags);
1810
1811         if (!(res = USER_SetWindowPos( winpos ))) break;
1812     }
1813     USER_HEAP_FREE( hdwp );
1814     return res;
1815 }
1816
1817
1818 /***********************************************************************
1819  *              TileChildWindows (USER.199)
1820  */
1821 void WINAPI TileChildWindows16( HWND16 parent, WORD action )
1822 {
1823     FIXME("(%04x, %d): stub\n", parent, action);
1824 }
1825
1826 /***********************************************************************
1827  *              CascadeChildWindows (USER.198)
1828  */
1829 void WINAPI CascadeChildWindows16( HWND16 parent, WORD action )
1830 {
1831     FIXME("(%04x, %d): stub\n", parent, action);
1832 }