git.oblomov.eu Git - wine/blob - windows/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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 #include <stdarg.h>
  23 #include <string.h>
  24 #include "winerror.h"
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "wingdi.h"
  28 #include "winerror.h"
  29 #include "wine/winuser16.h"
  30 #include "wine/server.h"
  31 #include "controls.h"
  32 #include "user.h"
  33 #include "win.h"
  34 #include "message.h"
  35 #include "winpos.h"
  36 #include "nonclient.h"
  37 #include "wine/debug.h"
  38
  39 WINE_DEFAULT_DEBUG_CHANNEL(win);
  40
  41 #define HAS_DLGFRAME(style,exStyle) \
  42     (((exStyle) & WS_EX_DLGMODALFRAME) || \
  43      (((style) & WS_DLGFRAME) && !((style) & WS_BORDER)))
  44
  45 #define HAS_THICKFRAME(style) \
  46     (((style) & WS_THICKFRAME) && \
  47      !(((style) & (WS_DLGFRAME|WS_BORDER)) == WS_DLGFRAME))
  48
  49 #define EMPTYPOINT(pt)          ((*(LONG*)&(pt)) == -1)
  50
  51 #define PLACE_MIN               0x0001
  52 #define PLACE_MAX               0x0002
  53 #define PLACE_RECT              0x0004
  54
  55
  56 #define DWP_MAGIC  ((INT)('W' | ('P' << 8) | ('O' << 16) | ('S' << 24)))
  57
  58 typedef struct
  59 {
  60     INT       actualCount;
  61     INT       suggestedCount;
  62     BOOL      valid;
  63     INT       wMagic;
  64     HWND      hwndParent;
  65     WINDOWPOS winPos[1];
  66 } DWP;
  67
  68 /* ----- internal variables ----- */
  69
  70 static HWND hGlobalShellWindow=0; /*the shell*/
  71 static HWND hGlobalTaskmanWindow=0;
  72 static HWND hGlobalProgmanWindow=0;
  73
  74 static LPCSTR atomInternalPos;
  75
  76
  77 /***********************************************************************
  78  *           WINPOS_CreateInternalPosAtom
  79  */
  80 BOOL WINPOS_CreateInternalPosAtom()
  81 {
  82     LPSTR str = "SysIP";
  83     atomInternalPos = (LPCSTR)(DWORD)GlobalAddAtomA(str);
  84     return (atomInternalPos) ? TRUE : FALSE;
  85 }
  86
  87 /***********************************************************************
  88  *           WINPOS_CheckInternalPos
  89  *
  90  * Called when a window is destroyed.
  91  */
  92 void WINPOS_CheckInternalPos( HWND hwnd )
  93 {
  94     LPINTERNALPOS lpPos = (LPINTERNALPOS) GetPropA( hwnd, atomInternalPos );
  95
  96     if( lpPos )
  97     {
  98         if( IsWindow(lpPos->hwndIconTitle) )
  99             DestroyWindow( lpPos->hwndIconTitle );
 100         HeapFree( GetProcessHeap(), 0, lpPos );
 101     }
 102 }
 103
 104 /***********************************************************************
 105  *              ArrangeIconicWindows (USER32.@)
 106  */
 107 UINT WINAPI ArrangeIconicWindows( HWND parent )
 108 {
 109     RECT rectParent;
 110     HWND hwndChild;
 111     INT x, y, xspacing, yspacing;
 112
 113     GetClientRect( parent, &rectParent );
 114     x = rectParent.left;
 115     y = rectParent.bottom;
 116     xspacing = GetSystemMetrics(SM_CXICONSPACING);
 117     yspacing = GetSystemMetrics(SM_CYICONSPACING);
 118
 119     hwndChild = GetWindow( parent, GW_CHILD );
 120     while (hwndChild)
 121     {
 122         if( IsIconic( hwndChild ) )
 123         {
 124             WINPOS_ShowIconTitle( hwndChild, FALSE );
 125
 126             SetWindowPos( hwndChild, 0, x + (xspacing - GetSystemMetrics(SM_CXICON)) / 2,
 127                             y - yspacing - GetSystemMetrics(SM_CYICON)/2, 0, 0,
 128                             SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
 129             if( IsWindow(hwndChild) )
 130                 WINPOS_ShowIconTitle(hwndChild , TRUE );
 131
 132             if (x <= rectParent.right - xspacing) x += xspacing;
 133             else
 134             {
 135                 x = rectParent.left;
 136                 y -= yspacing;
 137             }
 138         }
 139         hwndChild = GetWindow( hwndChild, GW_HWNDNEXT );
 140     }
 141     return yspacing;
 142 }
 143
 144
 145 /***********************************************************************
 146  *              SwitchToThisWindow (USER32.@)
 147  */
 148 void WINAPI SwitchToThisWindow( HWND hwnd, BOOL restore )
 149 {
 150     ShowWindow( hwnd, restore ? SW_RESTORE : SW_SHOWMINIMIZED );
 151 }
 152
 153
 154 /***********************************************************************
 155  *              GetWindowRect (USER32.@)
 156  */
 157 BOOL WINAPI GetWindowRect( HWND hwnd, LPRECT rect )
 158 {
 159     BOOL ret = WIN_GetRectangles( hwnd, rect, NULL );
 160     if (ret)
 161     {
 162         MapWindowPoints( GetAncestor( hwnd, GA_PARENT ), 0, (POINT *)rect, 2 );
 163         TRACE( "hwnd %p (%ld,%ld)-(%ld,%ld)\n",
 164                hwnd, rect->left, rect->top, rect->right, rect->bottom);
 165     }
 166     return ret;
 167 }
 168
 169
 170 /***********************************************************************
 171  *              GetWindowRgn (USER32.@)
 172  */
 173 int WINAPI GetWindowRgn ( HWND hwnd, HRGN hrgn )
 174 {
 175     int nRet = ERROR;
 176     WND *wndPtr = WIN_GetPtr( hwnd );
 177
 178     if (wndPtr == WND_OTHER_PROCESS)
 179     {
 180         if (IsWindow( hwnd ))
 181             FIXME( "not supported on other process window %p\n", hwnd );
 182         wndPtr = NULL;
 183     }
 184     if (!wndPtr)
 185     {
 186         SetLastError( ERROR_INVALID_WINDOW_HANDLE );
 187         return ERROR;
 188     }
 189     if (wndPtr->hrgnWnd) nRet = CombineRgn( hrgn, wndPtr->hrgnWnd, 0, RGN_COPY );
 190     WIN_ReleasePtr( wndPtr );
 191     return nRet;
 192 }
 193
 194
 195 /***********************************************************************
 196  *              SetWindowRgn (USER32.@)
 197  */
 198 int WINAPI SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL bRedraw )
 199 {
 200     RECT rect;
 201     WND *wndPtr;
 202
 203     if (hrgn) /* verify that region really exists */
 204     {
 205         if (GetRgnBox( hrgn, &rect ) == ERROR) return FALSE;
 206     }
 207
 208     if (USER_Driver.pSetWindowRgn)
 209         return USER_Driver.pSetWindowRgn( hwnd, hrgn, bRedraw );
 210
 211     if ((wndPtr = WIN_GetPtr( hwnd )) == WND_OTHER_PROCESS)
 212     {
 213         if (IsWindow( hwnd ))
 214             FIXME( "not supported on other process window %p\n", hwnd );
 215         wndPtr = NULL;
 216     }
 217     if (!wndPtr)
 218     {
 219         SetLastError( ERROR_INVALID_WINDOW_HANDLE );
 220         return FALSE;
 221     }
 222
 223     if (wndPtr->hrgnWnd == hrgn)
 224     {
 225         WIN_ReleasePtr( wndPtr );
 226         return TRUE;
 227     }
 228
 229     if (wndPtr->hrgnWnd)
 230     {
 231         /* delete previous region */
 232         DeleteObject(wndPtr->hrgnWnd);
 233         wndPtr->hrgnWnd = 0;
 234     }
 235     wndPtr->hrgnWnd = hrgn;
 236     WIN_ReleasePtr( wndPtr );
 237
 238     /* Size the window to the rectangle of the new region (if it isn't NULL) */
 239     if (hrgn) SetWindowPos( hwnd, 0, rect.left, rect.top,
 240                             rect.right  - rect.left, rect.bottom - rect.top,
 241                             SWP_NOSIZE | SWP_FRAMECHANGED | SWP_NOMOVE | SWP_NOACTIVATE |
 242                             SWP_NOZORDER | (bRedraw ? 0 : SWP_NOREDRAW) );
 243     return TRUE;
 244 }
 245
 246
 247 /***********************************************************************
 248  *              GetClientRect (USER32.@)
 249  */
 250 BOOL WINAPI GetClientRect( HWND hwnd, LPRECT rect )
 251 {
 252     BOOL ret;
 253
 254     rect->right = rect->bottom = 0;
 255     if ((ret = WIN_GetRectangles( hwnd, NULL, rect )))
 256     {
 257         rect->right -= rect->left;
 258         rect->bottom -= rect->top;
 259     }
 260     rect->left = rect->top = 0;
 261     return ret;
 262 }
 263
 264
 265 /*******************************************************************
 266  *              ClientToScreen (USER32.@)
 267  */
 268 BOOL WINAPI ClientToScreen( HWND hwnd, LPPOINT lppnt )
 269 {
 270     MapWindowPoints( hwnd, 0, lppnt, 1 );
 271     return TRUE;
 272 }
 273
 274
 275 /*******************************************************************
 276  *              ScreenToClient (USER32.@)
 277  */
 278 BOOL WINAPI ScreenToClient( HWND hwnd, LPPOINT lppnt )
 279 {
 280     MapWindowPoints( 0, hwnd, lppnt, 1 );
 281     return TRUE;
 282 }
 283
 284
 285 /***********************************************************************
 286  *           find_child_from_point
 287  *
 288  * Find the child that contains pt. Helper for WindowFromPoint.
 289  * pt is in parent client coordinates.
 290  * lparam is the param to pass in the WM_NCHITTEST message.
 291  */
 292 static HWND find_child_from_point( HWND parent, POINT pt, INT *hittest, LPARAM lparam )
 293 {
 294     int i, res;
 295     LONG style, exstyle;
 296     RECT rectWindow, rectClient;
 297     WND *wndPtr;
 298     HWND *list = WIN_ListChildren( parent );
 299     HWND retvalue = 0;
 300
 301     if (!list) return 0;
 302     for (i = 0; list[i]; i++)
 303     {
 304         /* If point is in window, and window is visible, and it  */
 305         /* is enabled (or it's a top-level window), then explore */
 306         /* its children. Otherwise, go to the next window.       */
 307
 308         style = GetWindowLongW( list[i], GWL_STYLE );
 309         if (!(style & WS_VISIBLE)) continue;  /* not visible -> skip */
 310         if ((style & (WS_POPUP | WS_CHILD | WS_DISABLED)) == (WS_CHILD | WS_DISABLED))
 311             continue;  /* disabled child -> skip */
 312         exstyle = GetWindowLongW( list[i], GWL_EXSTYLE );
 313         if ((exstyle & (WS_EX_LAYERED | WS_EX_TRANSPARENT)) == (WS_EX_LAYERED | WS_EX_TRANSPARENT))
 314             continue;  /* transparent -> skip */
 315
 316         if (!WIN_GetRectangles( list[i], &rectWindow, &rectClient )) continue;
 317         if (!PtInRect( &rectWindow, pt )) continue;  /* not in window -> skip */
 318
 319         /* FIXME: check window region for other processes too */
 320         if ((wndPtr = WIN_GetPtr( list[i] )) && wndPtr != WND_OTHER_PROCESS)
 321         {
 322             if (wndPtr->hrgnWnd && !PtInRegion( wndPtr->hrgnWnd,
 323                                                 pt.x - rectWindow.left, pt.y - rectWindow.top ))
 324             {
 325                 WIN_ReleasePtr( wndPtr );
 326                 continue;  /* point outside window region -> skip */
 327             }
 328             WIN_ReleasePtr( wndPtr );
 329         }
 330
 331         /* If window is minimized or disabled, return at once */
 332         if (style & WS_MINIMIZE)
 333         {
 334             *hittest = HTCAPTION;
 335             retvalue = list[i];
 336             break;
 337         }
 338         if (style & WS_DISABLED)
 339         {
 340             *hittest = HTERROR;
 341             retvalue = list[i];
 342             break;
 343         }
 344
 345         /* If point is in client area, explore children */
 346         if (PtInRect( &rectClient, pt ))
 347         {
 348             POINT new_pt;
 349
 350             new_pt.x = pt.x - rectClient.left;
 351             new_pt.y = pt.y - rectClient.top;
 352             if ((retvalue = find_child_from_point( list[i], new_pt, hittest, lparam ))) break;
 353         }
 354
 355         /* Now it's inside window, send WM_NCCHITTEST (if same thread) */
 356         if (!WIN_IsCurrentThread( list[i] ))
 357         {
 358             *hittest = HTCLIENT;
 359             retvalue = list[i];
 360             break;
 361         }
 362         if ((res = SendMessageA( list[i], WM_NCHITTEST, 0, lparam )) != HTTRANSPARENT)
 363         {
 364             *hittest = res;  /* Found the window */
 365             retvalue = list[i];
 366             break;
 367         }
 368         /* continue search with next sibling */
 369     }
 370     HeapFree( GetProcessHeap(), 0, list );
 371     return retvalue;
 372 }
 373
 374
 375 /***********************************************************************
 376  *           WINPOS_WindowFromPoint
 377  *
 378  * Find the window and hittest for a given point.
 379  */
 380 HWND WINPOS_WindowFromPoint( HWND hwndScope, POINT pt, INT *hittest )
 381 {
 382     POINT xy = pt;
 383     int res;
 384     LONG style;
 385
 386     TRACE("scope %p %ld,%ld\n", hwndScope, pt.x, pt.y);
 387
 388     if (!hwndScope) hwndScope = GetDesktopWindow();
 389     style = GetWindowLongW( hwndScope, GWL_STYLE );
 390
 391     *hittest = HTERROR;
 392     if (style & WS_DISABLED) return 0;
 393
 394     MapWindowPoints( GetDesktopWindow(), GetAncestor( hwndScope, GA_PARENT ), &xy, 1 );
 395
 396     if (!(style & WS_MINIMIZE))
 397     {
 398         RECT rectClient;
 399         if (WIN_GetRectangles( hwndScope, NULL, &rectClient ) && PtInRect( &rectClient, xy ))
 400         {
 401             HWND ret;
 402
 403             xy.x -= rectClient.left;
 404             xy.y -= rectClient.top;
 405             if ((ret = find_child_from_point( hwndScope, xy, hittest, MAKELONG( pt.x, pt.y ) )))
 406             {
 407                 TRACE( "found child %p\n", ret );
 408                 return ret;
 409             }
 410         }
 411     }
 412
 413     /* If nothing found, try the scope window */
 414     if (!WIN_IsCurrentThread( hwndScope ))
 415     {
 416         *hittest = HTCLIENT;
 417         TRACE( "returning %p\n", hwndScope );
 418         return hwndScope;
 419     }
 420     res = SendMessageA( hwndScope, WM_NCHITTEST, 0, MAKELONG( pt.x, pt.y ) );
 421     if (res != HTTRANSPARENT)
 422     {
 423         *hittest = res;  /* Found the window */
 424         TRACE( "returning %p\n", hwndScope );
 425         return hwndScope;
 426     }
 427     *hittest = HTNOWHERE;
 428     TRACE( "nothing found\n" );
 429     return 0;
 430 }
 431
 432
 433 /*******************************************************************
 434  *              WindowFromPoint (USER32.@)
 435  */
 436 HWND WINAPI WindowFromPoint( POINT pt )
 437 {
 438     INT hittest;
 439     return WINPOS_WindowFromPoint( 0, pt, &hittest );
 440 }
 441
 442
 443 /*******************************************************************
 444  *              ChildWindowFromPoint (USER32.@)
 445  */
 446 HWND WINAPI ChildWindowFromPoint( HWND hwndParent, POINT pt )
 447 {
 448     return ChildWindowFromPointEx( hwndParent, pt, CWP_ALL );
 449 }
 450
 451 /*******************************************************************
 452  *              ChildWindowFromPointEx (USER32.@)
 453  */
 454 HWND WINAPI ChildWindowFromPointEx( HWND hwndParent, POINT pt, UINT uFlags)
 455 {
 456     /* pt is in the client coordinates */
 457     HWND *list;
 458     int i;
 459     RECT rect;
 460     HWND retvalue;
 461
 462     GetClientRect( hwndParent, &rect );
 463     if (!PtInRect( &rect, pt )) return 0;
 464     if (!(list = WIN_ListChildren( hwndParent ))) return 0;
 465
 466     for (i = 0; list[i]; i++)
 467     {
 468         if (!WIN_GetRectangles( list[i], &rect, NULL )) continue;
 469         if (!PtInRect( &rect, pt )) continue;
 470         if (uFlags & (CWP_SKIPINVISIBLE|CWP_SKIPDISABLED))
 471         {
 472             LONG style = GetWindowLongW( list[i], GWL_STYLE );
 473             if ((uFlags & CWP_SKIPINVISIBLE) && !(style & WS_VISIBLE)) continue;
 474             if ((uFlags & CWP_SKIPDISABLED) && (style & WS_DISABLED)) continue;
 475         }
 476         if (uFlags & CWP_SKIPTRANSPARENT)
 477         {
 478             if (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TRANSPARENT) continue;
 479         }
 480         break;
 481     }
 482     retvalue = list[i];
 483     HeapFree( GetProcessHeap(), 0, list );
 484     if (!retvalue) retvalue = hwndParent;
 485     return retvalue;
 486 }
 487
 488
 489 /*******************************************************************
 490  *         WINPOS_GetWinOffset
 491  *
 492  * Calculate the offset between the origin of the two windows. Used
 493  * to implement MapWindowPoints.
 494  */
 495 static void WINPOS_GetWinOffset( HWND hwndFrom, HWND hwndTo, POINT *offset )
 496 {
 497     WND * wndPtr;
 498
 499     offset->x = offset->y = 0;
 500
 501     /* Translate source window origin to screen coords */
 502     if (hwndFrom)
 503     {
 504         HWND hwnd = hwndFrom;
 505
 506         while (hwnd)
 507         {
 508             if (hwnd == hwndTo) return;
 509             if (!(wndPtr = WIN_GetPtr( hwnd )))
 510             {
 511                 ERR( "bad hwndFrom = %p\n", hwnd );
 512                 return;
 513             }
 514             if (wndPtr == WND_OTHER_PROCESS) goto other_process;
 515             offset->x += wndPtr->rectClient.left;
 516             offset->y += wndPtr->rectClient.top;
 517             hwnd = wndPtr->parent;
 518             WIN_ReleasePtr( wndPtr );
 519         }
 520     }
 521
 522     /* Translate origin to destination window coords */
 523     if (hwndTo)
 524     {
 525         HWND hwnd = hwndTo;
 526
 527         while (hwnd)
 528         {
 529             if (!(wndPtr = WIN_GetPtr( hwnd )))
 530             {
 531                 ERR( "bad hwndTo = %p\n", hwnd );
 532                 return;
 533             }
 534             if (wndPtr == WND_OTHER_PROCESS) goto other_process;
 535             offset->x -= wndPtr->rectClient.left;
 536             offset->y -= wndPtr->rectClient.top;
 537             hwnd = wndPtr->parent;
 538             WIN_ReleasePtr( wndPtr );
 539         }
 540     }
 541     return;
 542
 543  other_process:  /* one of the parents may belong to another process, do it the hard way */
 544     offset->x = offset->y = 0;
 545     SERVER_START_REQ( get_windows_offset )
 546     {
 547         req->from = hwndFrom;
 548         req->to   = hwndTo;
 549         if (!wine_server_call( req ))
 550         {
 551             offset->x = reply->x;
 552             offset->y = reply->y;
 553         }
 554     }
 555     SERVER_END_REQ;
 556 }
 557
 558
 559 /*******************************************************************
 560  *              MapWindowPoints (USER.258)
 561  */
 562 void WINAPI MapWindowPoints16( HWND16 hwndFrom, HWND16 hwndTo,
 563                                LPPOINT16 lppt, UINT16 count )
 564 {
 565     POINT offset;
 566
 567     WINPOS_GetWinOffset( WIN_Handle32(hwndFrom), WIN_Handle32(hwndTo), &offset );
 568     while (count--)
 569     {
 570         lppt->x += offset.x;
 571         lppt->y += offset.y;
 572         lppt++;
 573     }
 574 }
 575
 576
 577 /*******************************************************************
 578  *              MapWindowPoints (USER32.@)
 579  */
 580 INT WINAPI MapWindowPoints( HWND hwndFrom, HWND hwndTo, LPPOINT lppt, UINT count )
 581 {
 582     POINT offset;
 583
 584     WINPOS_GetWinOffset( hwndFrom, hwndTo, &offset );
 585     while (count--)
 586     {
 587         lppt->x += offset.x;
 588         lppt->y += offset.y;
 589         lppt++;
 590     }
 591     return MAKELONG( LOWORD(offset.x), LOWORD(offset.y) );
 592 }
 593
 594
 595 /***********************************************************************
 596  *              IsIconic (USER32.@)
 597  */
 598 BOOL WINAPI IsIconic(HWND hWnd)
 599 {
 600     return (GetWindowLongW( hWnd, GWL_STYLE ) & WS_MINIMIZE) != 0;
 601 }
 602
 603
 604 /***********************************************************************
 605  *              IsZoomed (USER32.@)
 606  */
 607 BOOL WINAPI IsZoomed(HWND hWnd)
 608 {
 609     return (GetWindowLongW( hWnd, GWL_STYLE ) & WS_MAXIMIZE) != 0;
 610 }
 611
 612
 613 /*******************************************************************
 614  *              AllowSetForegroundWindow (USER32.@)
 615  */
 616 BOOL WINAPI AllowSetForegroundWindow( DWORD procid )
 617 {
 618     /* FIXME: If Win98/2000 style SetForegroundWindow behavior is
 619      * implemented, then fix this function. */
 620     return TRUE;
 621 }
 622
 623
 624 /*******************************************************************
 625  *              LockSetForegroundWindow (USER32.@)
 626  */
 627 BOOL WINAPI LockSetForegroundWindow( UINT lockcode )
 628 {
 629     /* FIXME: If Win98/2000 style SetForegroundWindow behavior is
 630      * implemented, then fix this function. */
 631     return TRUE;
 632 }
 633
 634
 635 /*******************************************************************
 636  *              SetShellWindow (USER32.@)
 637  */
 638 HWND WINAPI SetShellWindow(HWND hwndshell)
 639 {   WARN("(hWnd=%p) semi stub\n",hwndshell );
 640
 641     hGlobalShellWindow = WIN_GetFullHandle( hwndshell );
 642     return hGlobalShellWindow;
 643 }
 644
 645
 646 /*******************************************************************
 647  *              GetShellWindow (USER32.@)
 648  */
 649 HWND WINAPI GetShellWindow(void)
 650 {   WARN("(hWnd=%p) semi stub\n",hGlobalShellWindow );
 651
 652     return hGlobalShellWindow;
 653 }
 654
 655
 656 /***********************************************************************
 657  *              BringWindowToTop (USER32.@)
 658  */
 659 BOOL WINAPI BringWindowToTop( HWND hwnd )
 660 {
 661     return SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE );
 662 }
 663
 664
 665 /***********************************************************************
 666  *              MoveWindow (USER32.@)
 667  */
 668 BOOL WINAPI MoveWindow( HWND hwnd, INT x, INT y, INT cx, INT cy,
 669                             BOOL repaint )
 670 {
 671     int flags = SWP_NOZORDER | SWP_NOACTIVATE;
 672     if (!repaint) flags |= SWP_NOREDRAW;
 673     TRACE("%p %d,%d %dx%d %d\n", hwnd, x, y, cx, cy, repaint );
 674     return SetWindowPos( hwnd, 0, x, y, cx, cy, flags );
 675 }
 676
 677 /***********************************************************************
 678  *           WINPOS_InitInternalPos
 679  */
 680 static LPINTERNALPOS WINPOS_InitInternalPos( WND* wnd, POINT pt, const RECT *restoreRect )
 681 {
 682     LPINTERNALPOS lpPos = (LPINTERNALPOS) GetPropA( wnd->hwndSelf,
 683                                                       atomInternalPos );
 684     if( !lpPos )
 685     {
 686         /* this happens when the window is minimized/maximized
 687          * for the first time (rectWindow is not adjusted yet) */
 688
 689         lpPos = HeapAlloc( GetProcessHeap(), 0, sizeof(INTERNALPOS) );
 690         if( !lpPos ) return NULL;
 691
 692         SetPropA( wnd->hwndSelf, atomInternalPos, (HANDLE)lpPos );
 693         lpPos->hwndIconTitle = 0; /* defer until needs to be shown */
 694         CONV_RECT32TO16( &wnd->rectWindow, &lpPos->rectNormal );
 695         *(UINT*)&lpPos->ptIconPos = *(UINT*)&lpPos->ptMaxPos = 0xFFFFFFFF;
 696     }
 697
 698     if( wnd->dwStyle & WS_MINIMIZE )
 699         CONV_POINT32TO16( &pt, &lpPos->ptIconPos );
 700     else if( wnd->dwStyle & WS_MAXIMIZE )
 701         CONV_POINT32TO16( &pt, &lpPos->ptMaxPos );
 702     else if( restoreRect )
 703         CONV_RECT32TO16( restoreRect, &lpPos->rectNormal );
 704
 705     return lpPos;
 706 }
 707
 708 /***********************************************************************
 709  *           WINPOS_RedrawIconTitle
 710  */
 711 BOOL WINPOS_RedrawIconTitle( HWND hWnd )
 712 {
 713     LPINTERNALPOS lpPos = (LPINTERNALPOS)GetPropA( hWnd, atomInternalPos );
 714     if( lpPos )
 715     {
 716         if( lpPos->hwndIconTitle )
 717         {
 718             SendMessageA( lpPos->hwndIconTitle, WM_SHOWWINDOW, TRUE, 0);
 719             InvalidateRect( lpPos->hwndIconTitle, NULL, TRUE );
 720             return TRUE;
 721         }
 722     }
 723     return FALSE;
 724 }
 725
 726 /***********************************************************************
 727  *           WINPOS_ShowIconTitle
 728  */
 729 BOOL WINPOS_ShowIconTitle( HWND hwnd, BOOL bShow )
 730 {
 731     LPINTERNALPOS lpPos = (LPINTERNALPOS)GetPropA( hwnd, atomInternalPos );
 732
 733     if( lpPos && !(GetWindowLongA( hwnd, GWL_EXSTYLE) & WS_EX_MANAGED))
 734     {
 735         HWND title = lpPos->hwndIconTitle;
 736
 737         TRACE("%p %i\n", hwnd, (bShow != 0) );
 738
 739         if( !title )
 740             lpPos->hwndIconTitle = title = ICONTITLE_Create( hwnd );
 741         if( bShow )
 742         {
 743             if (!IsWindowVisible(title))
 744             {
 745                 SendMessageA( title, WM_SHOWWINDOW, TRUE, 0 );
 746                 SetWindowPos( title, 0, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE |
 747                               SWP_NOACTIVATE | SWP_NOZORDER | SWP_SHOWWINDOW );
 748             }
 749         }
 750         else ShowWindow( title, SW_HIDE );
 751     }
 752     return FALSE;
 753 }
 754
 755 /*******************************************************************
 756  *           WINPOS_GetMinMaxInfo
 757  *
 758  * Get the minimized and maximized information for a window.
 759  */
 760 void WINPOS_GetMinMaxInfo( HWND hwnd, POINT *maxSize, POINT *maxPos,
 761                            POINT *minTrack, POINT *maxTrack )
 762 {
 763     LPINTERNALPOS lpPos;
 764     MINMAXINFO MinMax;
 765     INT xinc, yinc;
 766     LONG style = GetWindowLongA( hwnd, GWL_STYLE );
 767     LONG exstyle = GetWindowLongA( hwnd, GWL_EXSTYLE );
 768
 769     /* Compute default values */
 770
 771     MinMax.ptMaxSize.x = GetSystemMetrics(SM_CXSCREEN);
 772     MinMax.ptMaxSize.y = GetSystemMetrics(SM_CYSCREEN);
 773     MinMax.ptMinTrackSize.x = GetSystemMetrics(SM_CXMINTRACK);
 774     MinMax.ptMinTrackSize.y = GetSystemMetrics(SM_CYMINTRACK);
 775     MinMax.ptMaxTrackSize.x = GetSystemMetrics(SM_CXSCREEN);
 776     MinMax.ptMaxTrackSize.y = GetSystemMetrics(SM_CYSCREEN);
 777
 778     if (HAS_DLGFRAME( style, exstyle ))
 779     {
 780         xinc = GetSystemMetrics(SM_CXDLGFRAME);
 781         yinc = GetSystemMetrics(SM_CYDLGFRAME);
 782     }
 783     else
 784     {
 785         xinc = yinc = 0;
 786         if (HAS_THICKFRAME(style))
 787         {
 788             xinc += GetSystemMetrics(SM_CXFRAME);
 789             yinc += GetSystemMetrics(SM_CYFRAME);
 790         }
 791         if (style & WS_BORDER)
 792         {
 793             xinc += GetSystemMetrics(SM_CXBORDER);
 794             yinc += GetSystemMetrics(SM_CYBORDER);
 795         }
 796     }
 797     MinMax.ptMaxSize.x += 2 * xinc;
 798     MinMax.ptMaxSize.y += 2 * yinc;
 799
 800     lpPos = (LPINTERNALPOS)GetPropA( hwnd, atomInternalPos );
 801     if( lpPos && !EMPTYPOINT(lpPos->ptMaxPos) )
 802         CONV_POINT16TO32( &lpPos->ptMaxPos, &MinMax.ptMaxPosition );
 803     else
 804     {
 805         MinMax.ptMaxPosition.x = -xinc;
 806         MinMax.ptMaxPosition.y = -yinc;
 807     }
 808
 809     SendMessageA( hwnd, WM_GETMINMAXINFO, 0, (LPARAM)&MinMax );
 810
 811       /* Some sanity checks */
 812
 813     TRACE("%ld %ld / %ld %ld / %ld %ld / %ld %ld\n",
 814                       MinMax.ptMaxSize.x, MinMax.ptMaxSize.y,
 815                       MinMax.ptMaxPosition.x, MinMax.ptMaxPosition.y,
 816                       MinMax.ptMaxTrackSize.x, MinMax.ptMaxTrackSize.y,
 817                       MinMax.ptMinTrackSize.x, MinMax.ptMinTrackSize.y);
 818     MinMax.ptMaxTrackSize.x = max( MinMax.ptMaxTrackSize.x,
 819                                    MinMax.ptMinTrackSize.x );
 820     MinMax.ptMaxTrackSize.y = max( MinMax.ptMaxTrackSize.y,
 821                                    MinMax.ptMinTrackSize.y );
 822
 823     if (maxSize) *maxSize = MinMax.ptMaxSize;
 824     if (maxPos) *maxPos = MinMax.ptMaxPosition;
 825     if (minTrack) *minTrack = MinMax.ptMinTrackSize;
 826     if (maxTrack) *maxTrack = MinMax.ptMaxTrackSize;
 827 }
 828
 829 /***********************************************************************
 830  *              ShowWindowAsync (USER32.@)
 831  *
 832  * doesn't wait; returns immediately.
 833  * used by threads to toggle windows in other (possibly hanging) threads
 834  */
 835 BOOL WINAPI ShowWindowAsync( HWND hwnd, INT cmd )
 836 {
 837     HWND full_handle;
 838
 839     if (is_broadcast(hwnd))
 840     {
 841         SetLastError( ERROR_INVALID_PARAMETER );
 842         return FALSE;
 843     }
 844
 845     if ((full_handle = WIN_IsCurrentThread( hwnd )))
 846         return USER_Driver.pShowWindow( full_handle, cmd );
 847     return SendNotifyMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
 848 }
 849
 850
 851 /***********************************************************************
 852  *              ShowWindow (USER32.@)
 853  */
 854 BOOL WINAPI ShowWindow( HWND hwnd, INT cmd )
 855 {
 856     HWND full_handle;
 857
 858     if (is_broadcast(hwnd))
 859     {
 860         SetLastError( ERROR_INVALID_PARAMETER );
 861         return FALSE;
 862     }
 863     if ((full_handle = WIN_IsCurrentThread( hwnd )))
 864     {
 865         if (USER_Driver.pShowWindow)
 866             return USER_Driver.pShowWindow( full_handle, cmd );
 867         return FALSE;
 868     }
 869     return SendMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
 870 }
 871
 872
 873 /***********************************************************************
 874  *              GetInternalWindowPos (USER32.@)
 875  */
 876 UINT WINAPI GetInternalWindowPos( HWND hwnd, LPRECT rectWnd,
 877                                       LPPOINT ptIcon )
 878 {
 879     WINDOWPLACEMENT wndpl;
 880     if (GetWindowPlacement( hwnd, &wndpl ))
 881     {
 882         if (rectWnd) *rectWnd = wndpl.rcNormalPosition;
 883         if (ptIcon)  *ptIcon = wndpl.ptMinPosition;
 884         return wndpl.showCmd;
 885     }
 886     return 0;
 887 }
 888
 889
 890 /***********************************************************************
 891  *              GetWindowPlacement (USER32.@)
 892  *
 893  * Win95:
 894  * Fails if wndpl->length of Win95 (!) apps is invalid.
 895  */
 896 BOOL WINAPI GetWindowPlacement( HWND hwnd, WINDOWPLACEMENT *wndpl )
 897 {
 898     WND *pWnd = WIN_FindWndPtr( hwnd );
 899     LPINTERNALPOS lpPos;
 900
 901     if(!pWnd ) return FALSE;
 902
 903     lpPos = WINPOS_InitInternalPos( pWnd, *(LPPOINT)&pWnd->rectWindow.left, &pWnd->rectWindow );
 904     wndpl->length  = sizeof(*wndpl);
 905     if( pWnd->dwStyle & WS_MINIMIZE )
 906         wndpl->showCmd = SW_SHOWMINIMIZED;
 907     else
 908         wndpl->showCmd = ( pWnd->dwStyle & WS_MAXIMIZE ) ? SW_SHOWMAXIMIZED : SW_SHOWNORMAL ;
 909     if( pWnd->flags & WIN_RESTORE_MAX )
 910         wndpl->flags = WPF_RESTORETOMAXIMIZED;
 911     else
 912         wndpl->flags = 0;
 913     CONV_POINT16TO32( &lpPos->ptIconPos, &wndpl->ptMinPosition );
 914     CONV_POINT16TO32( &lpPos->ptMaxPos, &wndpl->ptMaxPosition );
 915     CONV_RECT16TO32( &lpPos->rectNormal, &wndpl->rcNormalPosition );
 916     WIN_ReleaseWndPtr(pWnd);
 917     return TRUE;
 918 }
 919
 920
 921 /***********************************************************************
 922  *           WINPOS_SetPlacement
 923  */
 924 static BOOL WINPOS_SetPlacement( HWND hwnd, const WINDOWPLACEMENT *wndpl, UINT flags )
 925 {
 926     WND *pWnd = WIN_FindWndPtr( hwnd );
 927     if( pWnd )
 928     {
 929         LPINTERNALPOS lpPos = (LPINTERNALPOS)WINPOS_InitInternalPos( pWnd,
 930                              *(LPPOINT)&pWnd->rectWindow.left, &pWnd->rectWindow );
 931
 932         if( flags & PLACE_MIN ) CONV_POINT32TO16( &wndpl->ptMinPosition, &lpPos->ptIconPos );
 933         if( flags & PLACE_MAX ) CONV_POINT32TO16( &wndpl->ptMaxPosition, &lpPos->ptMaxPos );
 934         if( flags & PLACE_RECT) CONV_RECT32TO16( &wndpl->rcNormalPosition, &lpPos->rectNormal );
 935
 936         if( pWnd->dwStyle & WS_MINIMIZE )
 937         {
 938             WINPOS_ShowIconTitle( pWnd->hwndSelf, FALSE );
 939             if( wndpl->flags & WPF_SETMINPOSITION && !EMPTYPOINT(lpPos->ptIconPos))
 940                 SetWindowPos( hwnd, 0, lpPos->ptIconPos.x, lpPos->ptIconPos.y,
 941                                 0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
 942         }
 943         else if( pWnd->dwStyle & WS_MAXIMIZE )
 944         {
 945             if( !EMPTYPOINT(lpPos->ptMaxPos) )
 946                 SetWindowPos( hwnd, 0, lpPos->ptMaxPos.x, lpPos->ptMaxPos.y,
 947                                 0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
 948         }
 949         else if( flags & PLACE_RECT )
 950                 SetWindowPos( hwnd, 0, lpPos->rectNormal.left, lpPos->rectNormal.top,
 951                                 lpPos->rectNormal.right - lpPos->rectNormal.left,
 952                                 lpPos->rectNormal.bottom - lpPos->rectNormal.top,
 953                                 SWP_NOZORDER | SWP_NOACTIVATE );
 954
 955         ShowWindow( hwnd, wndpl->showCmd );
 956         if( IsWindow(hwnd) && pWnd->dwStyle & WS_MINIMIZE )
 957         {
 958             if( pWnd->dwStyle & WS_VISIBLE ) WINPOS_ShowIconTitle( pWnd->hwndSelf, TRUE );
 959
 960             /* SDK: ...valid only the next time... */
 961             if( wndpl->flags & WPF_RESTORETOMAXIMIZED ) pWnd->flags |= WIN_RESTORE_MAX;
 962         }
 963         WIN_ReleaseWndPtr(pWnd);
 964         return TRUE;
 965     }
 966     return FALSE;
 967 }
 968
 969
 970 /***********************************************************************
 971  *              SetWindowPlacement (USER32.@)
 972  *
 973  * Win95:
 974  * Fails if wndpl->length of Win95 (!) apps is invalid.
 975  */
 976 BOOL WINAPI SetWindowPlacement( HWND hwnd, const WINDOWPLACEMENT *wpl )
 977 {
 978     if (!wpl) return FALSE;
 979     return WINPOS_SetPlacement( hwnd, wpl, PLACE_MIN | PLACE_MAX | PLACE_RECT );
 980 }
 981
 982
 983 /***********************************************************************
 984  *              AnimateWindow (USER32.@)
 985  *              Shows/Hides a window with an animation
 986  *              NO ANIMATION YET
 987  */
 988 BOOL WINAPI AnimateWindow(HWND hwnd, DWORD dwTime, DWORD dwFlags)
 989 {
 990         FIXME("partial stub\n");
 991
 992         /* If trying to show/hide and it's already   *
 993          * shown/hidden or invalid window, fail with *
 994          * invalid parameter                         */
 995         if(!IsWindow(hwnd) ||
 996            (IsWindowVisible(hwnd) && !(dwFlags & AW_HIDE)) ||
 997            (!IsWindowVisible(hwnd) && (dwFlags & AW_HIDE)))
 998         {
 999                 SetLastError(ERROR_INVALID_PARAMETER);
1000                 return FALSE;
1001         }
1002
1003         ShowWindow(hwnd, (dwFlags & AW_HIDE) ? SW_HIDE : ((dwFlags & AW_ACTIVATE) ? SW_SHOW : SW_SHOWNA));
1004
1005         return TRUE;
1006 }
1007
1008 /***********************************************************************
1009  *              SetInternalWindowPos (USER32.@)
1010  */
1011 void WINAPI SetInternalWindowPos( HWND hwnd, UINT showCmd,
1012                                     LPRECT rect, LPPOINT pt )
1013 {
1014     if( IsWindow(hwnd) )
1015     {
1016         WINDOWPLACEMENT wndpl;
1017         UINT flags;
1018
1019         wndpl.length  = sizeof(wndpl);
1020         wndpl.showCmd = showCmd;
1021         wndpl.flags = flags = 0;
1022
1023         if( pt )
1024         {
1025             flags |= PLACE_MIN;
1026             wndpl.flags |= WPF_SETMINPOSITION;
1027             wndpl.ptMinPosition = *pt;
1028         }
1029         if( rect )
1030         {
1031             flags |= PLACE_RECT;
1032             wndpl.rcNormalPosition = *rect;
1033         }
1034         WINPOS_SetPlacement( hwnd, &wndpl, flags );
1035     }
1036 }
1037
1038
1039 /*******************************************************************
1040  *         can_activate_window
1041  *
1042  * Check if we can activate the specified window.
1043  */
1044 static BOOL can_activate_window( HWND hwnd )
1045 {
1046     LONG style;
1047
1048     if (!hwnd) return FALSE;
1049     style = GetWindowLongW( hwnd, GWL_STYLE );
1050     if (!(style & WS_VISIBLE)) return FALSE;
1051     if ((style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return FALSE;
1052     return !(style & WS_DISABLED);
1053 }
1054
1055
1056 /*******************************************************************
1057  *         WINPOS_ActivateOtherWindow
1058  *
1059  *  Activates window other than pWnd.
1060  */
1061 void WINPOS_ActivateOtherWindow(HWND hwnd)
1062 {
1063     HWND hwndTo, fg;
1064
1065     if ((GetWindowLongW( hwnd, GWL_STYLE ) & WS_POPUP) && (hwndTo = GetWindow( hwnd, GW_OWNER )))
1066     {
1067         hwndTo = GetAncestor( hwndTo, GA_ROOT );
1068         if (can_activate_window( hwndTo )) goto done;
1069     }
1070
1071     hwndTo = hwnd;
1072     for (;;)
1073     {
1074         if (!(hwndTo = GetWindow( hwndTo, GW_HWNDNEXT ))) break;
1075         if (can_activate_window( hwndTo )) break;
1076     }
1077
1078  done:
1079     fg = GetForegroundWindow();
1080     TRACE("win = %p fg = %p\n", hwndTo, fg);
1081     if (!fg || (hwnd == fg))
1082     {
1083         if (SetForegroundWindow( hwndTo )) return;
1084     }
1085     if (!SetActiveWindow( hwndTo )) SetActiveWindow(0);
1086 }
1087
1088
1089 /***********************************************************************
1090  *           WINPOS_HandleWindowPosChanging16
1091  *
1092  * Default handling for a WM_WINDOWPOSCHANGING. Called from DefWindowProc().
1093  */
1094 LONG WINPOS_HandleWindowPosChanging16( HWND hwnd, WINDOWPOS16 *winpos )
1095 {
1096     POINT maxSize, minTrack;
1097     LONG style = GetWindowLongA( hwnd, GWL_STYLE );
1098
1099     if (winpos->flags & SWP_NOSIZE) return 0;
1100     if ((style & WS_THICKFRAME) || ((style & (WS_POPUP | WS_CHILD)) == 0))
1101     {
1102         WINPOS_GetMinMaxInfo( hwnd, &maxSize, NULL, &minTrack, NULL );
1103         if (maxSize.x < winpos->cx) winpos->cx = maxSize.x;
1104         if (maxSize.y < winpos->cy) winpos->cy = maxSize.y;
1105         if (!(style & WS_MINIMIZE))
1106         {
1107             if (winpos->cx < minTrack.x ) winpos->cx = minTrack.x;
1108             if (winpos->cy < minTrack.y ) winpos->cy = minTrack.y;
1109         }
1110     }
1111     return 0;
1112 }
1113
1114
1115 /***********************************************************************
1116  *           WINPOS_HandleWindowPosChanging
1117  *
1118  * Default handling for a WM_WINDOWPOSCHANGING. Called from DefWindowProc().
1119  */
1120 LONG WINPOS_HandleWindowPosChanging( HWND hwnd, WINDOWPOS *winpos )
1121 {
1122     POINT maxSize, minTrack;
1123     LONG style = GetWindowLongA( hwnd, GWL_STYLE );
1124
1125     if (winpos->flags & SWP_NOSIZE) return 0;
1126     if ((style & WS_THICKFRAME) || ((style & (WS_POPUP | WS_CHILD)) == 0))
1127     {
1128         WINPOS_GetMinMaxInfo( hwnd, &maxSize, NULL, &minTrack, NULL );
1129         winpos->cx = min( winpos->cx, maxSize.x );
1130         winpos->cy = min( winpos->cy, maxSize.y );
1131         if (!(style & WS_MINIMIZE))
1132         {
1133             if (winpos->cx < minTrack.x ) winpos->cx = minTrack.x;
1134             if (winpos->cy < minTrack.y ) winpos->cy = minTrack.y;
1135         }
1136     }
1137     return 0;
1138 }
1139
1140
1141 /***********************************************************************
1142  *           dump_winpos_flags
1143  */
1144 static void dump_winpos_flags(UINT flags)
1145 {
1146     TRACE("flags:");
1147     if(flags & SWP_NOSIZE) TRACE(" SWP_NOSIZE");
1148     if(flags & SWP_NOMOVE) TRACE(" SWP_NOMOVE");
1149     if(flags & SWP_NOZORDER) TRACE(" SWP_NOZORDER");
1150     if(flags & SWP_NOREDRAW) TRACE(" SWP_NOREDRAW");
1151     if(flags & SWP_NOACTIVATE) TRACE(" SWP_NOACTIVATE");
1152     if(flags & SWP_FRAMECHANGED) TRACE(" SWP_FRAMECHANGED");
1153     if(flags & SWP_SHOWWINDOW) TRACE(" SWP_SHOWWINDOW");
1154     if(flags & SWP_HIDEWINDOW) TRACE(" SWP_HIDEWINDOW");
1155     if(flags & SWP_NOCOPYBITS) TRACE(" SWP_NOCOPYBITS");
1156     if(flags & SWP_NOOWNERZORDER) TRACE(" SWP_NOOWNERZORDER");
1157     if(flags & SWP_NOSENDCHANGING) TRACE(" SWP_NOSENDCHANGING");
1158     if(flags & SWP_DEFERERASE) TRACE(" SWP_DEFERERASE");
1159     if(flags & SWP_ASYNCWINDOWPOS) TRACE(" SWP_ASYNCWINDOWPOS");
1160
1161 #define DUMPED_FLAGS \
1162     (SWP_NOSIZE | \
1163     SWP_NOMOVE | \
1164     SWP_NOZORDER | \
1165     SWP_NOREDRAW | \
1166     SWP_NOACTIVATE | \
1167     SWP_FRAMECHANGED | \
1168     SWP_SHOWWINDOW | \
1169     SWP_HIDEWINDOW | \
1170     SWP_NOCOPYBITS | \
1171     SWP_NOOWNERZORDER | \
1172     SWP_NOSENDCHANGING | \
1173     SWP_DEFERERASE | \
1174     SWP_ASYNCWINDOWPOS)
1175
1176     if(flags & ~DUMPED_FLAGS) TRACE(" %08x", flags & ~DUMPED_FLAGS);
1177     TRACE("\n");
1178 #undef DUMPED_FLAGS
1179 }
1180
1181 /***********************************************************************
1182  *              SetWindowPos (USER32.@)
1183  */
1184 BOOL WINAPI SetWindowPos( HWND hwnd, HWND hwndInsertAfter,
1185                           INT x, INT y, INT cx, INT cy, UINT flags )
1186 {
1187     WINDOWPOS winpos;
1188
1189     TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
1190           hwnd, hwndInsertAfter, x, y, cx, cy, flags);
1191     if(TRACE_ON(win)) dump_winpos_flags(flags);
1192
1193     if (is_broadcast(hwnd))
1194     {
1195         SetLastError( ERROR_INVALID_PARAMETER );
1196         return FALSE;
1197     }
1198
1199     winpos.hwnd = WIN_GetFullHandle(hwnd);
1200     winpos.hwndInsertAfter = WIN_GetFullHandle(hwndInsertAfter);
1201     winpos.x = x;
1202     winpos.y = y;
1203     winpos.cx = cx;
1204     winpos.cy = cy;
1205     winpos.flags = flags;
1206     if (WIN_IsCurrentThread( hwnd )) return USER_Driver.pSetWindowPos( &winpos );
1207     return SendMessageW( winpos.hwnd, WM_WINE_SETWINDOWPOS, 0, (LPARAM)&winpos );
1208 }
1209
1210
1211 /***********************************************************************
1212  *              BeginDeferWindowPos (USER32.@)
1213  */
1214 HDWP WINAPI BeginDeferWindowPos( INT count )
1215 {
1216     HDWP handle;
1217     DWP *pDWP;
1218
1219     if (count < 0)
1220     {
1221         SetLastError(ERROR_INVALID_PARAMETER);
1222         return 0;
1223     }
1224     /* Windows allows zero count, in which case it allocates context for 8 moves */
1225     if (count == 0) count = 8;
1226
1227     handle = USER_HEAP_ALLOC( sizeof(DWP) + (count-1)*sizeof(WINDOWPOS) );
1228     if (!handle) return 0;
1229     pDWP = (DWP *) USER_HEAP_LIN_ADDR( handle );
1230     pDWP->actualCount    = 0;
1231     pDWP->suggestedCount = count;
1232     pDWP->valid          = TRUE;
1233     pDWP->wMagic         = DWP_MAGIC;
1234     pDWP->hwndParent     = 0;
1235     return handle;
1236 }
1237
1238
1239 /***********************************************************************
1240  *              DeferWindowPos (USER32.@)
1241  */
1242 HDWP WINAPI DeferWindowPos( HDWP hdwp, HWND hwnd, HWND hwndAfter,
1243                                 INT x, INT y, INT cx, INT cy,
1244                                 UINT flags )
1245 {
1246     DWP *pDWP;
1247     int i;
1248     HDWP newhdwp = hdwp,retvalue;
1249
1250     hwnd = WIN_GetFullHandle( hwnd );
1251     if (hwnd == GetDesktopWindow()) return 0;
1252
1253     if (!(pDWP = USER_HEAP_LIN_ADDR( hdwp ))) return 0;
1254
1255     USER_Lock();
1256
1257     for (i = 0; i < pDWP->actualCount; i++)
1258     {
1259         if (pDWP->winPos[i].hwnd == hwnd)
1260         {
1261               /* Merge with the other changes */
1262             if (!(flags & SWP_NOZORDER))
1263             {
1264                 pDWP->winPos[i].hwndInsertAfter = WIN_GetFullHandle(hwndAfter);
1265             }
1266             if (!(flags & SWP_NOMOVE))
1267             {
1268                 pDWP->winPos[i].x = x;
1269                 pDWP->winPos[i].y = y;
1270             }
1271             if (!(flags & SWP_NOSIZE))
1272             {
1273                 pDWP->winPos[i].cx = cx;
1274                 pDWP->winPos[i].cy = cy;
1275             }
1276             pDWP->winPos[i].flags &= flags | ~(SWP_NOSIZE | SWP_NOMOVE |
1277                                                SWP_NOZORDER | SWP_NOREDRAW |
1278                                                SWP_NOACTIVATE | SWP_NOCOPYBITS|
1279                                                SWP_NOOWNERZORDER);
1280             pDWP->winPos[i].flags |= flags & (SWP_SHOWWINDOW | SWP_HIDEWINDOW |
1281                                               SWP_FRAMECHANGED);
1282             retvalue = hdwp;
1283             goto END;
1284         }
1285     }
1286     if (pDWP->actualCount >= pDWP->suggestedCount)
1287     {
1288         newhdwp = USER_HEAP_REALLOC( hdwp,
1289                       sizeof(DWP) + pDWP->suggestedCount*sizeof(WINDOWPOS) );
1290         if (!newhdwp)
1291         {
1292             retvalue = 0;
1293             goto END;
1294         }
1295         pDWP = (DWP *) USER_HEAP_LIN_ADDR( newhdwp );
1296         pDWP->suggestedCount++;
1297     }
1298     pDWP->winPos[pDWP->actualCount].hwnd = hwnd;
1299     pDWP->winPos[pDWP->actualCount].hwndInsertAfter = hwndAfter;
1300     pDWP->winPos[pDWP->actualCount].x = x;
1301     pDWP->winPos[pDWP->actualCount].y = y;
1302     pDWP->winPos[pDWP->actualCount].cx = cx;
1303     pDWP->winPos[pDWP->actualCount].cy = cy;
1304     pDWP->winPos[pDWP->actualCount].flags = flags;
1305     pDWP->actualCount++;
1306     retvalue = newhdwp;
1307 END:
1308     USER_Unlock();
1309     return retvalue;
1310 }
1311
1312
1313 /***********************************************************************
1314  *              EndDeferWindowPos (USER32.@)
1315  */
1316 BOOL WINAPI EndDeferWindowPos( HDWP hdwp )
1317 {
1318     DWP *pDWP;
1319     WINDOWPOS *winpos;
1320     BOOL res = TRUE;
1321     int i;
1322
1323     pDWP = (DWP *) USER_HEAP_LIN_ADDR( hdwp );
1324     if (!pDWP) return FALSE;
1325     for (i = 0, winpos = pDWP->winPos; i < pDWP->actualCount; i++, winpos++)
1326     {
1327         if (!(res = USER_Driver.pSetWindowPos( winpos ))) break;
1328     }
1329     USER_HEAP_FREE( hdwp );
1330     return res;
1331 }
1332
1333
1334 /***********************************************************************
1335  *              TileChildWindows (USER.199)
1336  */
1337 void WINAPI TileChildWindows16( HWND16 parent, WORD action )
1338 {
1339     FIXME("(%04x, %d): stub\n", parent, action);
1340 }
1341
1342 /***********************************************************************
1343  *              CascadeChildWindows (USER.198)
1344  */
1345 void WINAPI CascadeChildWindows16( HWND16 parent, WORD action )
1346 {
1347     FIXME("(%04x, %d): stub\n", parent, action);
1348 }
1349
1350 /***********************************************************************
1351  *              SetProgmanWindow (USER32.@)
1352  */
1353 HWND WINAPI SetProgmanWindow ( HWND hwnd )
1354 {
1355         hGlobalProgmanWindow = hwnd;
1356         return hGlobalProgmanWindow;
1357 }
1358
1359 /***********************************************************************
1360  *              GetProgmanWindow (USER32.@)
1361  */
1362 HWND WINAPI GetProgmanWindow(void)
1363 {
1364         return hGlobalProgmanWindow;
1365 }
1366
1367 /***********************************************************************
1368  *              SetShellWindowEx (USER32.@)
1369  * hwndProgman =  Progman[Program Manager]
1370  *                |-> SHELLDLL_DefView
1371  * hwndListView = |   |-> SysListView32
1372  *                |   |   |-> tooltips_class32
1373  *                |   |
1374  *                |   |-> SysHeader32
1375  *                |
1376  *                |-> ProxyTarget
1377  */
1378 HWND WINAPI SetShellWindowEx ( HWND hwndProgman, HWND hwndListView )
1379 {
1380         FIXME("%p %p stub\n",hwndProgman ,hwndListView );
1381         hGlobalShellWindow = hwndProgman;
1382         return hGlobalShellWindow;
1383
1384 }
1385
1386 /***********************************************************************
1387  *              SetTaskmanWindow (USER32.@)
1388  * NOTES
1389  *   hwnd = MSTaskSwWClass
1390  *          |-> SysTabControl32
1391  */
1392 HWND WINAPI SetTaskmanWindow ( HWND hwnd )
1393 {
1394         hGlobalTaskmanWindow = hwnd;
1395         return hGlobalTaskmanWindow;
1396 }
1397
1398 /***********************************************************************
1399  *              GetTaskmanWindow (USER32.@)
1400  */
1401 HWND WINAPI GetTaskmanWindow(void)
1402 {
1403         return hGlobalTaskmanWindow;
1404 }