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 "windef.h"
  30 #include "winbase.h"
  31 #include "wingdi.h"
  32 #include "winerror.h"
  33 #include "wine/server.h"
  34 #include "controls.h"
  35 #include "user_private.h"
  36 #include "win.h"
  37 #include "wine/debug.h"
  38
  39 WINE_DEFAULT_DEBUG_CHANNEL(win);
  40
  41 #define SWP_AGG_NOGEOMETRYCHANGE \
  42     (SWP_NOSIZE | SWP_NOCLIENTSIZE | SWP_NOZORDER)
  43 #define SWP_AGG_NOPOSCHANGE \
  44     (SWP_NOSIZE | SWP_NOMOVE | SWP_NOCLIENTSIZE | SWP_NOCLIENTMOVE | SWP_NOZORDER)
  45 #define SWP_AGG_STATUSFLAGS \
  46     (SWP_AGG_NOPOSCHANGE | SWP_FRAMECHANGED | SWP_HIDEWINDOW | SWP_SHOWWINDOW)
  47
  48 #define HAS_DLGFRAME(style,exStyle) \
  49     (((exStyle) & WS_EX_DLGMODALFRAME) || \
  50      (((style) & WS_DLGFRAME) && !((style) & WS_BORDER)))
  51
  52 #define HAS_THICKFRAME(style) \
  53     (((style) & WS_THICKFRAME) && \
  54      !(((style) & (WS_DLGFRAME|WS_BORDER)) == WS_DLGFRAME))
  55
  56 #define EMPTYPOINT(pt)          ((*(LONG*)&(pt)) == -1)
  57
  58 #define PLACE_MIN               0x0001
  59 #define PLACE_MAX               0x0002
  60 #define PLACE_RECT              0x0004
  61
  62
  63 #define DWP_MAGIC  ((INT)('W' | ('P' << 8) | ('O' << 16) | ('S' << 24)))
  64
  65 typedef struct
  66 {
  67     INT       actualCount;
  68     INT       suggestedCount;
  69     BOOL      valid;
  70     INT       wMagic;
  71     HWND      hwndParent;
  72     WINDOWPOS winPos[1];
  73 } DWP;
  74
  75 typedef struct
  76 {
  77     RECT16   rectNormal;
  78     POINT16  ptIconPos;
  79     POINT16  ptMaxPos;
  80     HWND     hwndIconTitle;
  81 } INTERNALPOS, *LPINTERNALPOS;
  82
  83 /* ----- internal functions ----- */
  84
  85 static const WCHAR SysIP_W[] = { 'S','y','s','I','P',0 };
  86
  87 static inline INTERNALPOS *get_internal_pos( HWND hwnd )
  88 {
  89     return GetPropW( hwnd, SysIP_W );
  90 }
  91
  92 static inline void set_internal_pos( HWND hwnd, INTERNALPOS *pos )
  93 {
  94     SetPropW( hwnd, SysIP_W, pos );
  95 }
  96
  97 /***********************************************************************
  98  *           WINPOS_CheckInternalPos
  99  *
 100  * Called when a window is destroyed.
 101  */
 102 void WINPOS_CheckInternalPos( HWND hwnd )
 103 {
 104     LPINTERNALPOS lpPos = get_internal_pos( hwnd );
 105
 106     if ( lpPos )
 107     {
 108         if( IsWindow(lpPos->hwndIconTitle) )
 109             DestroyWindow( lpPos->hwndIconTitle );
 110         HeapFree( GetProcessHeap(), 0, lpPos );
 111     }
 112 }
 113
 114 /***********************************************************************
 115  *              ArrangeIconicWindows (USER32.@)
 116  */
 117 UINT WINAPI ArrangeIconicWindows( HWND parent )
 118 {
 119     RECT rectParent;
 120     HWND hwndChild;
 121     INT x, y, xspacing, yspacing;
 122
 123     GetClientRect( parent, &rectParent );
 124     x = rectParent.left;
 125     y = rectParent.bottom;
 126     xspacing = GetSystemMetrics(SM_CXICONSPACING);
 127     yspacing = GetSystemMetrics(SM_CYICONSPACING);
 128
 129     hwndChild = GetWindow( parent, GW_CHILD );
 130     while (hwndChild)
 131     {
 132         if( IsIconic( hwndChild ) )
 133         {
 134             WINPOS_ShowIconTitle( hwndChild, FALSE );
 135
 136             SetWindowPos( hwndChild, 0, x + (xspacing - GetSystemMetrics(SM_CXICON)) / 2,
 137                             y - yspacing - GetSystemMetrics(SM_CYICON)/2, 0, 0,
 138                             SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
 139             if( IsWindow(hwndChild) )
 140                 WINPOS_ShowIconTitle(hwndChild , TRUE );
 141
 142             if (x <= rectParent.right - xspacing) x += xspacing;
 143             else
 144             {
 145                 x = rectParent.left;
 146                 y -= yspacing;
 147             }
 148         }
 149         hwndChild = GetWindow( hwndChild, GW_HWNDNEXT );
 150     }
 151     return yspacing;
 152 }
 153
 154
 155 /***********************************************************************
 156  *              SwitchToThisWindow (USER32.@)
 157  */
 158 void WINAPI SwitchToThisWindow( HWND hwnd, BOOL restore )
 159 {
 160     ShowWindow( hwnd, restore ? SW_RESTORE : SW_SHOWMINIMIZED );
 161 }
 162
 163
 164 /***********************************************************************
 165  *              GetWindowRect (USER32.@)
 166  */
 167 BOOL WINAPI GetWindowRect( HWND hwnd, LPRECT rect )
 168 {
 169     BOOL ret = WIN_GetRectangles( hwnd, rect, NULL );
 170     if (ret)
 171     {
 172         MapWindowPoints( GetAncestor( hwnd, GA_PARENT ), 0, (POINT *)rect, 2 );
 173         TRACE( "hwnd %p (%s)\n", hwnd, wine_dbgstr_rect(rect) );
 174     }
 175     return ret;
 176 }
 177
 178
 179 /***********************************************************************
 180  *              GetWindowRgn (USER32.@)
 181  */
 182 int WINAPI GetWindowRgn ( HWND hwnd, HRGN hrgn )
 183 {
 184     int nRet = ERROR;
 185     NTSTATUS status;
 186     HRGN win_rgn = 0;
 187     RGNDATA *data;
 188     size_t size = 256;
 189
 190     do
 191     {
 192         if (!(data = HeapAlloc( GetProcessHeap(), 0, sizeof(*data) + size - 1 )))
 193         {
 194             SetLastError( ERROR_OUTOFMEMORY );
 195             return ERROR;
 196         }
 197         SERVER_START_REQ( get_window_region )
 198         {
 199             req->window = hwnd;
 200             wine_server_set_reply( req, data->Buffer, size );
 201             if (!(status = wine_server_call( req )))
 202             {
 203                 size_t reply_size = wine_server_reply_size( reply );
 204                 if (reply_size)
 205                 {
 206                     data->rdh.dwSize   = sizeof(data->rdh);
 207                     data->rdh.iType    = RDH_RECTANGLES;
 208                     data->rdh.nCount   = reply_size / sizeof(RECT);
 209                     data->rdh.nRgnSize = reply_size;
 210                     win_rgn = ExtCreateRegion( NULL, size, data );
 211                 }
 212             }
 213             else size = reply->total_size;
 214         }
 215         SERVER_END_REQ;
 216         HeapFree( GetProcessHeap(), 0, data );
 217     } while (status == STATUS_BUFFER_OVERFLOW);
 218
 219     if (status) SetLastError( RtlNtStatusToDosError(status) );
 220     else if (win_rgn)
 221     {
 222         nRet = CombineRgn( hrgn, win_rgn, 0, RGN_COPY );
 223         DeleteObject( win_rgn );
 224     }
 225     return nRet;
 226 }
 227
 228
 229 /***********************************************************************
 230  *              SetWindowRgn (USER32.@)
 231  */
 232 int WINAPI SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL bRedraw )
 233 {
 234     static const RECT empty_rect;
 235     BOOL ret;
 236
 237     if (hrgn)
 238     {
 239         RGNDATA *data;
 240         DWORD size;
 241
 242         if (!(size = GetRegionData( hrgn, 0, NULL ))) return FALSE;
 243         if (!(data = HeapAlloc( GetProcessHeap(), 0, size ))) return FALSE;
 244         if (!GetRegionData( hrgn, size, data ))
 245         {
 246             HeapFree( GetProcessHeap(), 0, data );
 247             return FALSE;
 248         }
 249         SERVER_START_REQ( set_window_region )
 250         {
 251             req->window = hwnd;
 252             req->redraw = (bRedraw != 0);
 253             if (data->rdh.nCount)
 254                 wine_server_add_data( req, data->Buffer, data->rdh.nCount * sizeof(RECT) );
 255             else
 256                 wine_server_add_data( req, &empty_rect, sizeof(empty_rect) );
 257             ret = !wine_server_call_err( req );
 258         }
 259         SERVER_END_REQ;
 260     }
 261     else  /* clear existing region */
 262     {
 263         SERVER_START_REQ( set_window_region )
 264         {
 265             req->window = hwnd;
 266             req->redraw = (bRedraw != 0);
 267             ret = !wine_server_call_err( req );
 268         }
 269         SERVER_END_REQ;
 270     }
 271
 272     if (ret) ret = USER_Driver->pSetWindowRgn( hwnd, hrgn, bRedraw );
 273
 274     if (ret)
 275     {
 276         UINT swp_flags = SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER|SWP_NOACTIVATE|SWP_FRAMECHANGED|SWP_NOCLIENTSIZE|SWP_NOCLIENTMOVE;
 277         if (!bRedraw) swp_flags |= SWP_NOREDRAW;
 278         SetWindowPos( hwnd, 0, 0, 0, 0, 0, swp_flags );
 279         invalidate_dce( hwnd, NULL );
 280     }
 281     return ret;
 282 }
 283
 284
 285 /***********************************************************************
 286  *              GetClientRect (USER32.@)
 287  */
 288 BOOL WINAPI GetClientRect( HWND hwnd, LPRECT rect )
 289 {
 290     BOOL ret;
 291
 292     if ((ret = WIN_GetRectangles( hwnd, NULL, rect )))
 293     {
 294         rect->right -= rect->left;
 295         rect->bottom -= rect->top;
 296         rect->left = rect->top = 0;
 297     }
 298     return ret;
 299 }
 300
 301
 302 /*******************************************************************
 303  *              ClientToScreen (USER32.@)
 304  */
 305 BOOL WINAPI ClientToScreen( HWND hwnd, LPPOINT lppnt )
 306 {
 307     MapWindowPoints( hwnd, 0, lppnt, 1 );
 308     return TRUE;
 309 }
 310
 311
 312 /*******************************************************************
 313  *              ScreenToClient (USER32.@)
 314  */
 315 BOOL WINAPI ScreenToClient( HWND hwnd, LPPOINT lppnt )
 316 {
 317     MapWindowPoints( 0, hwnd, lppnt, 1 );
 318     return TRUE;
 319 }
 320
 321
 322 /***********************************************************************
 323  *           list_children_from_point
 324  *
 325  * Get the list of children that can contain point from the server.
 326  * Point is in screen coordinates.
 327  * Returned list must be freed by caller.
 328  */
 329 static HWND *list_children_from_point( HWND hwnd, POINT pt )
 330 {
 331     HWND *list;
 332     int size = 32;
 333
 334     for (;;)
 335     {
 336         int count = 0;
 337
 338         if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) break;
 339
 340         SERVER_START_REQ( get_window_children_from_point )
 341         {
 342             req->parent = hwnd;
 343             req->x = pt.x;
 344             req->y = pt.y;
 345             wine_server_set_reply( req, list, (size-1) * sizeof(HWND) );
 346             if (!wine_server_call( req )) count = reply->count;
 347         }
 348         SERVER_END_REQ;
 349         if (count && count < size)
 350         {
 351             list[count] = 0;
 352             return list;
 353         }
 354         HeapFree( GetProcessHeap(), 0, list );
 355         if (!count) break;
 356         size = count + 1;  /* restart with a large enough buffer */
 357     }
 358     return NULL;
 359 }
 360
 361
 362 /***********************************************************************
 363  *           WINPOS_WindowFromPoint
 364  *
 365  * Find the window and hittest for a given point.
 366  */
 367 HWND WINPOS_WindowFromPoint( HWND hwndScope, POINT pt, INT *hittest )
 368 {
 369     int i, res;
 370     HWND ret, *list;
 371
 372     if (!hwndScope) hwndScope = GetDesktopWindow();
 373
 374     *hittest = HTNOWHERE;
 375
 376     if (!(list = list_children_from_point( hwndScope, pt ))) return 0;
 377
 378     /* now determine the hittest */
 379
 380     for (i = 0; list[i]; i++)
 381     {
 382         LONG style = GetWindowLongW( list[i], GWL_STYLE );
 383
 384         /* If window is minimized or disabled, return at once */
 385         if (style & WS_MINIMIZE)
 386         {
 387             *hittest = HTCAPTION;
 388             break;
 389         }
 390         if (style & WS_DISABLED)
 391         {
 392             *hittest = HTERROR;
 393             break;
 394         }
 395         /* Send WM_NCCHITTEST (if same thread) */
 396         if (!WIN_IsCurrentThread( list[i] ))
 397         {
 398             *hittest = HTCLIENT;
 399             break;
 400         }
 401         res = SendMessageW( list[i], WM_NCHITTEST, 0, MAKELONG(pt.x,pt.y) );
 402         if (res != HTTRANSPARENT)
 403         {
 404             *hittest = res;  /* Found the window */
 405             break;
 406         }
 407         /* continue search with next window in z-order */
 408     }
 409     ret = list[i];
 410     HeapFree( GetProcessHeap(), 0, list );
 411     TRACE( "scope %p (%d,%d) returning %p\n", hwndScope, pt.x, pt.y, ret );
 412     return ret;
 413 }
 414
 415
 416 /*******************************************************************
 417  *              WindowFromPoint (USER32.@)
 418  */
 419 HWND WINAPI WindowFromPoint( POINT pt )
 420 {
 421     INT hittest;
 422     return WINPOS_WindowFromPoint( 0, pt, &hittest );
 423 }
 424
 425
 426 /*******************************************************************
 427  *              ChildWindowFromPoint (USER32.@)
 428  */
 429 HWND WINAPI ChildWindowFromPoint( HWND hwndParent, POINT pt )
 430 {
 431     return ChildWindowFromPointEx( hwndParent, pt, CWP_ALL );
 432 }
 433
 434 /*******************************************************************
 435  *              RealChildWindowFromPoint (USER32.@)
 436  */
 437 HWND WINAPI RealChildWindowFromPoint( HWND hwndParent, POINT pt )
 438 {
 439     return ChildWindowFromPointEx( hwndParent, pt, CWP_SKIPTRANSPARENT );
 440 }
 441
 442 /*******************************************************************
 443  *              ChildWindowFromPointEx (USER32.@)
 444  */
 445 HWND WINAPI ChildWindowFromPointEx( HWND hwndParent, POINT pt, UINT uFlags)
 446 {
 447     /* pt is in the client coordinates */
 448     HWND *list;
 449     int i;
 450     RECT rect;
 451     HWND retvalue;
 452
 453     GetClientRect( hwndParent, &rect );
 454     if (!PtInRect( &rect, pt )) return 0;
 455     if (!(list = WIN_ListChildren( hwndParent ))) return hwndParent;
 456
 457     for (i = 0; list[i]; i++)
 458     {
 459         if (!WIN_GetRectangles( list[i], &rect, NULL )) continue;
 460         if (!PtInRect( &rect, pt )) continue;
 461         if (uFlags & (CWP_SKIPINVISIBLE|CWP_SKIPDISABLED))
 462         {
 463             LONG style = GetWindowLongW( list[i], GWL_STYLE );
 464             if ((uFlags & CWP_SKIPINVISIBLE) && !(style & WS_VISIBLE)) continue;
 465             if ((uFlags & CWP_SKIPDISABLED) && (style & WS_DISABLED)) continue;
 466         }
 467         if (uFlags & CWP_SKIPTRANSPARENT)
 468         {
 469             if (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TRANSPARENT) continue;
 470         }
 471         break;
 472     }
 473     retvalue = list[i];
 474     HeapFree( GetProcessHeap(), 0, list );
 475     if (!retvalue) retvalue = hwndParent;
 476     return retvalue;
 477 }
 478
 479
 480 /*******************************************************************
 481  *         WINPOS_GetWinOffset
 482  *
 483  * Calculate the offset between the origin of the two windows. Used
 484  * to implement MapWindowPoints.
 485  */
 486 static void WINPOS_GetWinOffset( HWND hwndFrom, HWND hwndTo, POINT *offset )
 487 {
 488     WND * wndPtr;
 489
 490     offset->x = offset->y = 0;
 491
 492     /* Translate source window origin to screen coords */
 493     if (hwndFrom)
 494     {
 495         HWND hwnd = hwndFrom;
 496
 497         while (hwnd)
 498         {
 499             if (hwnd == hwndTo) return;
 500             if (!(wndPtr = WIN_GetPtr( hwnd )))
 501             {
 502                 ERR( "bad hwndFrom = %p\n", hwnd );
 503                 return;
 504             }
 505             if (wndPtr == WND_DESKTOP) break;
 506             if (wndPtr == WND_OTHER_PROCESS) goto other_process;
 507             offset->x += wndPtr->rectClient.left;
 508             offset->y += wndPtr->rectClient.top;
 509             hwnd = wndPtr->parent;
 510             WIN_ReleasePtr( wndPtr );
 511         }
 512     }
 513
 514     /* Translate origin to destination window coords */
 515     if (hwndTo)
 516     {
 517         HWND hwnd = hwndTo;
 518
 519         while (hwnd)
 520         {
 521             if (!(wndPtr = WIN_GetPtr( hwnd )))
 522             {
 523                 ERR( "bad hwndTo = %p\n", hwnd );
 524                 return;
 525             }
 526             if (wndPtr == WND_DESKTOP) break;
 527             if (wndPtr == WND_OTHER_PROCESS) goto other_process;
 528             offset->x -= wndPtr->rectClient.left;
 529             offset->y -= wndPtr->rectClient.top;
 530             hwnd = wndPtr->parent;
 531             WIN_ReleasePtr( wndPtr );
 532         }
 533     }
 534     return;
 535
 536  other_process:  /* one of the parents may belong to another process, do it the hard way */
 537     offset->x = offset->y = 0;
 538     SERVER_START_REQ( get_windows_offset )
 539     {
 540         req->from = hwndFrom;
 541         req->to   = hwndTo;
 542         if (!wine_server_call( req ))
 543         {
 544             offset->x = reply->x;
 545             offset->y = reply->y;
 546         }
 547     }
 548     SERVER_END_REQ;
 549 }
 550
 551
 552 /*******************************************************************
 553  *              MapWindowPoints (USER.258)
 554  */
 555 void WINAPI MapWindowPoints16( HWND16 hwndFrom, HWND16 hwndTo,
 556                                LPPOINT16 lppt, UINT16 count )
 557 {
 558     POINT offset;
 559
 560     WINPOS_GetWinOffset( WIN_Handle32(hwndFrom), WIN_Handle32(hwndTo), &offset );
 561     while (count--)
 562     {
 563         lppt->x += offset.x;
 564         lppt->y += offset.y;
 565         lppt++;
 566     }
 567 }
 568
 569
 570 /*******************************************************************
 571  *              MapWindowPoints (USER32.@)
 572  */
 573 INT WINAPI MapWindowPoints( HWND hwndFrom, HWND hwndTo, LPPOINT lppt, UINT count )
 574 {
 575     POINT offset;
 576
 577     WINPOS_GetWinOffset( hwndFrom, hwndTo, &offset );
 578     while (count--)
 579     {
 580         lppt->x += offset.x;
 581         lppt->y += offset.y;
 582         lppt++;
 583     }
 584     return MAKELONG( LOWORD(offset.x), LOWORD(offset.y) );
 585 }
 586
 587
 588 /***********************************************************************
 589  *              IsIconic (USER32.@)
 590  */
 591 BOOL WINAPI IsIconic(HWND hWnd)
 592 {
 593     return (GetWindowLongW( hWnd, GWL_STYLE ) & WS_MINIMIZE) != 0;
 594 }
 595
 596
 597 /***********************************************************************
 598  *              IsZoomed (USER32.@)
 599  */
 600 BOOL WINAPI IsZoomed(HWND hWnd)
 601 {
 602     return (GetWindowLongW( hWnd, GWL_STYLE ) & WS_MAXIMIZE) != 0;
 603 }
 604
 605
 606 /*******************************************************************
 607  *              AllowSetForegroundWindow (USER32.@)
 608  */
 609 BOOL WINAPI AllowSetForegroundWindow( DWORD procid )
 610 {
 611     /* FIXME: If Win98/2000 style SetForegroundWindow behavior is
 612      * implemented, then fix this function. */
 613     return TRUE;
 614 }
 615
 616
 617 /*******************************************************************
 618  *              LockSetForegroundWindow (USER32.@)
 619  */
 620 BOOL WINAPI LockSetForegroundWindow( UINT lockcode )
 621 {
 622     /* FIXME: If Win98/2000 style SetForegroundWindow behavior is
 623      * implemented, then fix this function. */
 624     return TRUE;
 625 }
 626
 627
 628 /***********************************************************************
 629  *              BringWindowToTop (USER32.@)
 630  */
 631 BOOL WINAPI BringWindowToTop( HWND hwnd )
 632 {
 633     return SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE );
 634 }
 635
 636
 637 /***********************************************************************
 638  *              MoveWindow (USER32.@)
 639  */
 640 BOOL WINAPI MoveWindow( HWND hwnd, INT x, INT y, INT cx, INT cy,
 641                             BOOL repaint )
 642 {
 643     int flags = SWP_NOZORDER | SWP_NOACTIVATE;
 644     if (!repaint) flags |= SWP_NOREDRAW;
 645     TRACE("%p %d,%d %dx%d %d\n", hwnd, x, y, cx, cy, repaint );
 646     return SetWindowPos( hwnd, 0, x, y, cx, cy, flags );
 647 }
 648
 649 /***********************************************************************
 650  *           WINPOS_InitInternalPos
 651  */
 652 static LPINTERNALPOS WINPOS_InitInternalPos( WND* wnd )
 653 {
 654     LPINTERNALPOS lpPos = get_internal_pos( wnd->hwndSelf );
 655     if( !lpPos )
 656     {
 657         /* this happens when the window is minimized/maximized
 658          * for the first time (rectWindow is not adjusted yet) */
 659
 660         lpPos = HeapAlloc( GetProcessHeap(), 0, sizeof(INTERNALPOS) );
 661         if( !lpPos ) return NULL;
 662
 663         set_internal_pos( wnd->hwndSelf, lpPos );
 664         lpPos->hwndIconTitle = 0; /* defer until needs to be shown */
 665         lpPos->rectNormal.left   = wnd->rectWindow.left;
 666         lpPos->rectNormal.top    = wnd->rectWindow.top;
 667         lpPos->rectNormal.right  = wnd->rectWindow.right;
 668         lpPos->rectNormal.bottom = wnd->rectWindow.bottom;
 669         lpPos->ptIconPos.x = lpPos->ptIconPos.y = -1;
 670         lpPos->ptMaxPos.x = lpPos->ptMaxPos.y = -1;
 671     }
 672
 673     if( wnd->dwStyle & WS_MINIMIZE )
 674     {
 675         lpPos->ptIconPos.x = wnd->rectWindow.left;
 676         lpPos->ptIconPos.y = wnd->rectWindow.top;
 677     }
 678     else if( wnd->dwStyle & WS_MAXIMIZE )
 679     {
 680         lpPos->ptMaxPos.x = wnd->rectWindow.left;
 681         lpPos->ptMaxPos.y = wnd->rectWindow.top;
 682     }
 683     else
 684     {
 685         lpPos->rectNormal.left   = wnd->rectWindow.left;
 686         lpPos->rectNormal.top    = wnd->rectWindow.top;
 687         lpPos->rectNormal.right  = wnd->rectWindow.right;
 688         lpPos->rectNormal.bottom = wnd->rectWindow.bottom;
 689     }
 690     return lpPos;
 691 }
 692
 693 /***********************************************************************
 694  *           WINPOS_RedrawIconTitle
 695  */
 696 BOOL WINPOS_RedrawIconTitle( HWND hWnd )
 697 {
 698     LPINTERNALPOS lpPos = get_internal_pos( hWnd );
 699     if( lpPos )
 700     {
 701         if( lpPos->hwndIconTitle )
 702         {
 703             SendMessageW( lpPos->hwndIconTitle, WM_SHOWWINDOW, TRUE, 0);
 704             InvalidateRect( lpPos->hwndIconTitle, NULL, TRUE );
 705             return TRUE;
 706         }
 707     }
 708     return FALSE;
 709 }
 710
 711 /***********************************************************************
 712  *           WINPOS_ShowIconTitle
 713  */
 714 BOOL WINPOS_ShowIconTitle( HWND hwnd, BOOL bShow )
 715 {
 716     LPINTERNALPOS lpPos = get_internal_pos( hwnd );
 717
 718     if (lpPos && !GetPropA( hwnd, "__wine_x11_managed" ))
 719     {
 720         HWND title = lpPos->hwndIconTitle;
 721
 722         TRACE("%p %i\n", hwnd, (bShow != 0) );
 723
 724         if( bShow )
 725         {
 726             if (!title) lpPos->hwndIconTitle = title = ICONTITLE_Create( hwnd );
 727             if (!IsWindowVisible(title))
 728             {
 729                 SendMessageW( title, WM_SHOWWINDOW, TRUE, 0 );
 730                 SetWindowPos( title, 0, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE |
 731                               SWP_NOACTIVATE | SWP_NOZORDER | SWP_SHOWWINDOW );
 732             }
 733         }
 734         else if (title) ShowWindow( title, SW_HIDE );
 735     }
 736     return FALSE;
 737 }
 738
 739 /*******************************************************************
 740  *           WINPOS_GetMinMaxInfo
 741  *
 742  * Get the minimized and maximized information for a window.
 743  */
 744 void WINPOS_GetMinMaxInfo( HWND hwnd, POINT *maxSize, POINT *maxPos,
 745                            POINT *minTrack, POINT *maxTrack )
 746 {
 747     LPINTERNALPOS lpPos;
 748     MINMAXINFO MinMax;
 749     HMONITOR monitor;
 750     INT xinc, yinc;
 751     LONG style = GetWindowLongA( hwnd, GWL_STYLE );
 752     LONG exstyle = GetWindowLongA( hwnd, GWL_EXSTYLE );
 753     RECT rc;
 754
 755     /* Compute default values */
 756
 757     GetWindowRect(hwnd, &rc);
 758     MinMax.ptReserved.x = rc.left;
 759     MinMax.ptReserved.y = rc.top;
 760
 761     if (style & WS_CHILD)
 762     {
 763         if ((style & WS_CAPTION) == WS_CAPTION)
 764             style &= ~WS_BORDER; /* WS_CAPTION = WS_DLGFRAME | WS_BORDER */
 765
 766         GetClientRect(GetAncestor(hwnd,GA_PARENT), &rc);
 767         AdjustWindowRectEx(&rc, style, ((style & WS_POPUP) && GetMenu(hwnd)), exstyle);
 768
 769         /* avoid calculating this twice */
 770         style &= ~(WS_DLGFRAME | WS_BORDER | WS_THICKFRAME);
 771
 772         MinMax.ptMaxSize.x = rc.right - rc.left;
 773         MinMax.ptMaxSize.y = rc.bottom - rc.top;
 774     }
 775     else
 776     {
 777         MinMax.ptMaxSize.x = GetSystemMetrics(SM_CXSCREEN);
 778         MinMax.ptMaxSize.y = GetSystemMetrics(SM_CYSCREEN);
 779     }
 780     MinMax.ptMinTrackSize.x = GetSystemMetrics(SM_CXMINTRACK);
 781     MinMax.ptMinTrackSize.y = GetSystemMetrics(SM_CYMINTRACK);
 782     MinMax.ptMaxTrackSize.x = GetSystemMetrics(SM_CXMAXTRACK);
 783     MinMax.ptMaxTrackSize.y = GetSystemMetrics(SM_CYMAXTRACK);
 784
 785     if (HAS_DLGFRAME( style, exstyle ))
 786     {
 787         xinc = GetSystemMetrics(SM_CXDLGFRAME);
 788         yinc = GetSystemMetrics(SM_CYDLGFRAME);
 789     }
 790     else
 791     {
 792         xinc = yinc = 0;
 793         if (HAS_THICKFRAME(style))
 794         {
 795             xinc += GetSystemMetrics(SM_CXFRAME);
 796             yinc += GetSystemMetrics(SM_CYFRAME);
 797         }
 798         if (style & WS_BORDER)
 799         {
 800             xinc += GetSystemMetrics(SM_CXBORDER);
 801             yinc += GetSystemMetrics(SM_CYBORDER);
 802         }
 803     }
 804     MinMax.ptMaxSize.x += 2 * xinc;
 805     MinMax.ptMaxSize.y += 2 * yinc;
 806
 807     lpPos = get_internal_pos( hwnd );
 808     if( lpPos && !EMPTYPOINT(lpPos->ptMaxPos) )
 809     {
 810         MinMax.ptMaxPosition.x = lpPos->ptMaxPos.x;
 811         MinMax.ptMaxPosition.y = lpPos->ptMaxPos.y;
 812     }
 813     else
 814     {
 815         MinMax.ptMaxPosition.x = -xinc;
 816         MinMax.ptMaxPosition.y = -yinc;
 817     }
 818
 819     SendMessageW( hwnd, WM_GETMINMAXINFO, 0, (LPARAM)&MinMax );
 820
 821     /* if the app didn't change the values, adapt them for the current monitor */
 822
 823     if ((monitor = MonitorFromWindow( hwnd, MONITOR_DEFAULTTOPRIMARY )))
 824     {
 825         MONITORINFO mon_info;
 826
 827         mon_info.cbSize = sizeof(mon_info);
 828         GetMonitorInfoW( monitor, &mon_info );
 829
 830         if (MinMax.ptMaxSize.x == GetSystemMetrics(SM_CXSCREEN) + 2 * xinc &&
 831             MinMax.ptMaxSize.y == GetSystemMetrics(SM_CYSCREEN) + 2 * yinc)
 832         {
 833             MinMax.ptMaxSize.x = (mon_info.rcWork.right - mon_info.rcWork.left) + 2 * xinc;
 834             MinMax.ptMaxSize.y = (mon_info.rcWork.bottom - mon_info.rcWork.top) + 2 * yinc;
 835         }
 836         if (MinMax.ptMaxPosition.x == -xinc && MinMax.ptMaxPosition.y == -yinc)
 837         {
 838             MinMax.ptMaxPosition.x = mon_info.rcWork.left - xinc;
 839             MinMax.ptMaxPosition.y = mon_info.rcWork.top - yinc;
 840         }
 841     }
 842
 843       /* Some sanity checks */
 844
 845     TRACE("%d %d / %d %d / %d %d / %d %d\n",
 846                       MinMax.ptMaxSize.x, MinMax.ptMaxSize.y,
 847                       MinMax.ptMaxPosition.x, MinMax.ptMaxPosition.y,
 848                       MinMax.ptMaxTrackSize.x, MinMax.ptMaxTrackSize.y,
 849                       MinMax.ptMinTrackSize.x, MinMax.ptMinTrackSize.y);
 850     MinMax.ptMaxTrackSize.x = max( MinMax.ptMaxTrackSize.x,
 851                                    MinMax.ptMinTrackSize.x );
 852     MinMax.ptMaxTrackSize.y = max( MinMax.ptMaxTrackSize.y,
 853                                    MinMax.ptMinTrackSize.y );
 854
 855     if (maxSize) *maxSize = MinMax.ptMaxSize;
 856     if (maxPos) *maxPos = MinMax.ptMaxPosition;
 857     if (minTrack) *minTrack = MinMax.ptMinTrackSize;
 858     if (maxTrack) *maxTrack = MinMax.ptMaxTrackSize;
 859 }
 860
 861
 862 /***********************************************************************
 863  *           WINPOS_FindIconPos
 864  *
 865  * Find a suitable place for an iconic window.
 866  */
 867 static POINT WINPOS_FindIconPos( HWND hwnd, POINT pt )
 868 {
 869     RECT rect, rectParent;
 870     HWND parent, child;
 871     HRGN hrgn, tmp;
 872     int xspacing, yspacing;
 873
 874     parent = GetAncestor( hwnd, GA_PARENT );
 875     GetClientRect( parent, &rectParent );
 876     if ((pt.x >= rectParent.left) && (pt.x + GetSystemMetrics(SM_CXICON) < rectParent.right) &&
 877         (pt.y >= rectParent.top) && (pt.y + GetSystemMetrics(SM_CYICON) < rectParent.bottom))
 878         return pt;  /* The icon already has a suitable position */
 879
 880     xspacing = GetSystemMetrics(SM_CXICONSPACING);
 881     yspacing = GetSystemMetrics(SM_CYICONSPACING);
 882
 883     /* Check if another icon already occupies this spot */
 884     /* FIXME: this is completely inefficient */
 885
 886     hrgn = CreateRectRgn( 0, 0, 0, 0 );
 887     tmp = CreateRectRgn( 0, 0, 0, 0 );
 888     for (child = GetWindow( parent, GW_HWNDFIRST ); child; child = GetWindow( child, GW_HWNDNEXT ))
 889     {
 890         WND *childPtr;
 891         if (child == hwnd) continue;
 892         if ((GetWindowLongW( child, GWL_STYLE ) & (WS_VISIBLE|WS_MINIMIZE)) != (WS_VISIBLE|WS_MINIMIZE))
 893             continue;
 894         if (!(childPtr = WIN_GetPtr( child )) || childPtr == WND_OTHER_PROCESS)
 895             continue;
 896         SetRectRgn( tmp, childPtr->rectWindow.left, childPtr->rectWindow.top,
 897                     childPtr->rectWindow.right, childPtr->rectWindow.bottom );
 898         CombineRgn( hrgn, hrgn, tmp, RGN_OR );
 899         WIN_ReleasePtr( childPtr );
 900     }
 901     DeleteObject( tmp );
 902
 903     for (rect.bottom = rectParent.bottom; rect.bottom >= yspacing; rect.bottom -= yspacing)
 904     {
 905         for (rect.left = rectParent.left; rect.left <= rectParent.right - xspacing; rect.left += xspacing)
 906         {
 907             rect.right = rect.left + xspacing;
 908             rect.top = rect.bottom - yspacing;
 909             if (!RectInRegion( hrgn, &rect ))
 910             {
 911                 /* No window was found, so it's OK for us */
 912                 pt.x = rect.left + (xspacing - GetSystemMetrics(SM_CXICON)) / 2;
 913                 pt.y = rect.top + (yspacing - GetSystemMetrics(SM_CYICON)) / 2;
 914                 DeleteObject( hrgn );
 915                 return pt;
 916             }
 917         }
 918     }
 919     DeleteObject( hrgn );
 920     pt.x = pt.y = 0;
 921     return pt;
 922 }
 923
 924
 925 /***********************************************************************
 926  *           WINPOS_MinMaximize
 927  */
 928 UINT WINPOS_MinMaximize( HWND hwnd, UINT cmd, LPRECT rect )
 929 {
 930     WND *wndPtr;
 931     UINT swpFlags = 0;
 932     POINT size;
 933     LONG old_style;
 934     WINDOWPLACEMENT wpl;
 935
 936     TRACE("%p %u\n", hwnd, cmd );
 937
 938     wpl.length = sizeof(wpl);
 939     GetWindowPlacement( hwnd, &wpl );
 940
 941     if (HOOK_CallHooks( WH_CBT, HCBT_MINMAX, (WPARAM)hwnd, cmd, TRUE ))
 942         return SWP_NOSIZE | SWP_NOMOVE;
 943
 944     if (IsIconic( hwnd ))
 945     {
 946         switch (cmd)
 947         {
 948         case SW_SHOWMINNOACTIVE:
 949         case SW_SHOWMINIMIZED:
 950         case SW_FORCEMINIMIZE:
 951         case SW_MINIMIZE:
 952             return SWP_NOSIZE | SWP_NOMOVE;
 953         }
 954         if (!SendMessageW( hwnd, WM_QUERYOPEN, 0, 0 )) return SWP_NOSIZE | SWP_NOMOVE;
 955         swpFlags |= SWP_NOCOPYBITS;
 956     }
 957
 958     switch( cmd )
 959     {
 960     case SW_SHOWMINNOACTIVE:
 961     case SW_SHOWMINIMIZED:
 962     case SW_FORCEMINIMIZE:
 963     case SW_MINIMIZE:
 964         if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
 965         if( wndPtr->dwStyle & WS_MAXIMIZE) wndPtr->flags |= WIN_RESTORE_MAX;
 966         else wndPtr->flags &= ~WIN_RESTORE_MAX;
 967         WIN_ReleasePtr( wndPtr );
 968
 969         old_style = WIN_SetStyle( hwnd, WS_MINIMIZE, WS_MAXIMIZE );
 970
 971         wpl.ptMinPosition = WINPOS_FindIconPos( hwnd, wpl.ptMinPosition );
 972
 973         if (!(old_style & WS_MINIMIZE)) swpFlags |= SWP_STATECHANGED;
 974         SetRect( rect, wpl.ptMinPosition.x, wpl.ptMinPosition.y,
 975                  GetSystemMetrics(SM_CXICON), GetSystemMetrics(SM_CYICON) );
 976         swpFlags |= SWP_NOCOPYBITS;
 977         break;
 978
 979     case SW_MAXIMIZE:
 980         old_style = GetWindowLongW( hwnd, GWL_STYLE );
 981         if ((old_style & WS_MAXIMIZE) && (old_style & WS_VISIBLE)) return SWP_NOSIZE | SWP_NOMOVE;
 982
 983         WINPOS_GetMinMaxInfo( hwnd, &size, &wpl.ptMaxPosition, NULL, NULL );
 984
 985         old_style = WIN_SetStyle( hwnd, WS_MAXIMIZE, WS_MINIMIZE );
 986         if (old_style & WS_MINIMIZE) WINPOS_ShowIconTitle( hwnd, FALSE );
 987
 988         if (!(old_style & WS_MAXIMIZE)) swpFlags |= SWP_STATECHANGED;
 989         SetRect( rect, wpl.ptMaxPosition.x, wpl.ptMaxPosition.y, size.x, size.y );
 990         break;
 991
 992     case SW_SHOWNOACTIVATE:
 993     case SW_SHOWNORMAL:
 994     case SW_RESTORE:
 995         old_style = WIN_SetStyle( hwnd, 0, WS_MINIMIZE | WS_MAXIMIZE );
 996         if (old_style & WS_MINIMIZE)
 997         {
 998             BOOL restore_max;
 999
1000             WINPOS_ShowIconTitle( hwnd, FALSE );
1001
1002             if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
1003             restore_max = (wndPtr->flags & WIN_RESTORE_MAX) != 0;
1004             WIN_ReleasePtr( wndPtr );
1005             if (restore_max)
1006             {
1007                 /* Restore to maximized position */
1008                 WINPOS_GetMinMaxInfo( hwnd, &size, &wpl.ptMaxPosition, NULL, NULL);
1009                 WIN_SetStyle( hwnd, WS_MAXIMIZE, 0 );
1010                 swpFlags |= SWP_STATECHANGED;
1011                 SetRect( rect, wpl.ptMaxPosition.x, wpl.ptMaxPosition.y, size.x, size.y );
1012                 break;
1013             }
1014         }
1015         else if (!(old_style & WS_MAXIMIZE)) break;
1016
1017         swpFlags |= SWP_STATECHANGED;
1018
1019         /* Restore to normal position */
1020
1021         *rect = wpl.rcNormalPosition;
1022         rect->right -= rect->left;
1023         rect->bottom -= rect->top;
1024
1025         break;
1026     }
1027
1028     return swpFlags;
1029 }
1030
1031
1032 /***********************************************************************
1033  *              show_window
1034  *
1035  * Implementation of ShowWindow and ShowWindowAsync.
1036  */
1037 static BOOL show_window( HWND hwnd, INT cmd )
1038 {
1039     WND *wndPtr;
1040     HWND parent;
1041     LONG style = GetWindowLongW( hwnd, GWL_STYLE );
1042     BOOL wasVisible = (style & WS_VISIBLE) != 0;
1043     BOOL showFlag = TRUE;
1044     RECT newPos = {0, 0, 0, 0};
1045     UINT swp = 0;
1046
1047     TRACE("hwnd=%p, cmd=%d, wasVisible %d\n", hwnd, cmd, wasVisible);
1048
1049     switch(cmd)
1050     {
1051         case SW_HIDE:
1052             if (!wasVisible) return FALSE;
1053             showFlag = FALSE;
1054             swp |= SWP_HIDEWINDOW | SWP_NOSIZE | SWP_NOMOVE;
1055             if (style & WS_CHILD) swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1056             break;
1057
1058         case SW_SHOWMINNOACTIVE:
1059             swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1060             /* fall through */
1061         case SW_MINIMIZE:
1062         case SW_FORCEMINIMIZE: /* FIXME: Does not work if thread is hung. */
1063             if (style & WS_CHILD) swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1064             /* fall through */
1065         case SW_SHOWMINIMIZED:
1066             swp |= SWP_SHOWWINDOW | SWP_FRAMECHANGED;
1067             swp |= WINPOS_MinMaximize( hwnd, cmd, &newPos );
1068             if ((style & WS_MINIMIZE) && wasVisible) return TRUE;
1069             break;
1070
1071         case SW_SHOWMAXIMIZED: /* same as SW_MAXIMIZE */
1072             if (!wasVisible) swp |= SWP_SHOWWINDOW;
1073             swp |= SWP_FRAMECHANGED;
1074             swp |= WINPOS_MinMaximize( hwnd, SW_MAXIMIZE, &newPos );
1075             if ((style & WS_MAXIMIZE) && wasVisible) return TRUE;
1076             break;
1077
1078         case SW_SHOWNA:
1079             swp |= SWP_NOACTIVATE | SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE;
1080             if (style & WS_CHILD) swp |= SWP_NOZORDER;
1081             break;
1082         case SW_SHOW:
1083             if (wasVisible) return TRUE;
1084             swp |= SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE;
1085             if (style & WS_CHILD) swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1086             break;
1087
1088         case SW_SHOWNOACTIVATE:
1089             swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1090             /* fall through */
1091         case SW_RESTORE:
1092             /* fall through */
1093         case SW_SHOWNORMAL:  /* same as SW_NORMAL: */
1094         case SW_SHOWDEFAULT: /* FIXME: should have its own handler */
1095             if (!wasVisible) swp |= SWP_SHOWWINDOW;
1096             if (style & (WS_MINIMIZE | WS_MAXIMIZE))
1097             {
1098                 swp |= SWP_FRAMECHANGED;
1099                 swp |= WINPOS_MinMaximize( hwnd, cmd, &newPos );
1100             }
1101             else
1102             {
1103                 if (wasVisible) return TRUE;
1104                 swp |= SWP_NOSIZE | SWP_NOMOVE;
1105             }
1106             if (style & WS_CHILD && !(swp & SWP_STATECHANGED)) swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1107             break;
1108         default:
1109             return wasVisible;
1110     }
1111
1112     if ((showFlag != wasVisible || cmd == SW_SHOWNA) && cmd != SW_SHOWMAXIMIZED && !(swp & SWP_STATECHANGED))
1113     {
1114         SendMessageW( hwnd, WM_SHOWWINDOW, showFlag, 0 );
1115         if (!IsWindow( hwnd )) return wasVisible;
1116     }
1117
1118     parent = GetAncestor( hwnd, GA_PARENT );
1119     if (parent && !IsWindowVisible( parent ) && !(swp & SWP_STATECHANGED))
1120     {
1121         /* if parent is not visible simply toggle WS_VISIBLE and return */
1122         if (showFlag) WIN_SetStyle( hwnd, WS_VISIBLE, 0 );
1123         else WIN_SetStyle( hwnd, 0, WS_VISIBLE );
1124     }
1125     else
1126         SetWindowPos( hwnd, HWND_TOP, newPos.left, newPos.top,
1127                       newPos.right, newPos.bottom, LOWORD(swp) );
1128
1129     if (cmd == SW_HIDE)
1130     {
1131         HWND hFocus;
1132
1133         WINPOS_ShowIconTitle( hwnd, FALSE );
1134
1135         /* FIXME: This will cause the window to be activated irrespective
1136          * of whether it is owned by the same thread. Has to be done
1137          * asynchronously.
1138          */
1139
1140         if (hwnd == GetActiveWindow())
1141             WINPOS_ActivateOtherWindow(hwnd);
1142
1143         /* Revert focus to parent */
1144         hFocus = GetFocus();
1145         if (hwnd == hFocus || IsChild(hwnd, hFocus))
1146         {
1147             HWND parent = GetAncestor(hwnd, GA_PARENT);
1148             if (parent == GetDesktopWindow()) parent = 0;
1149             SetFocus(parent);
1150         }
1151     }
1152
1153     if (IsIconic(hwnd)) WINPOS_ShowIconTitle( hwnd, TRUE );
1154
1155     if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return wasVisible;
1156
1157     if (wndPtr->flags & WIN_NEED_SIZE)
1158     {
1159         /* should happen only in CreateWindowEx() */
1160         int wParam = SIZE_RESTORED;
1161         RECT client = wndPtr->rectClient;
1162
1163         wndPtr->flags &= ~WIN_NEED_SIZE;
1164         if (wndPtr->dwStyle & WS_MAXIMIZE) wParam = SIZE_MAXIMIZED;
1165         else if (wndPtr->dwStyle & WS_MINIMIZE) wParam = SIZE_MINIMIZED;
1166         WIN_ReleasePtr( wndPtr );
1167
1168         SendMessageW( hwnd, WM_SIZE, wParam,
1169                       MAKELONG( client.right - client.left, client.bottom - client.top ));
1170         SendMessageW( hwnd, WM_MOVE, 0, MAKELONG( client.left, client.top ));
1171     }
1172     else WIN_ReleasePtr( wndPtr );
1173
1174     /* if previous state was minimized Windows sets focus to the window */
1175     if (style & WS_MINIMIZE) SetFocus( hwnd );
1176
1177     return wasVisible;
1178 }
1179
1180
1181 /***********************************************************************
1182  *              ShowWindowAsync (USER32.@)
1183  *
1184  * doesn't wait; returns immediately.
1185  * used by threads to toggle windows in other (possibly hanging) threads
1186  */
1187 BOOL WINAPI ShowWindowAsync( HWND hwnd, INT cmd )
1188 {
1189     HWND full_handle;
1190
1191     if (is_broadcast(hwnd))
1192     {
1193         SetLastError( ERROR_INVALID_PARAMETER );
1194         return FALSE;
1195     }
1196
1197     if ((full_handle = WIN_IsCurrentThread( hwnd )))
1198         return show_window( full_handle, cmd );
1199
1200     return SendNotifyMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
1201 }
1202
1203
1204 /***********************************************************************
1205  *              ShowWindow (USER32.@)
1206  */
1207 BOOL WINAPI ShowWindow( HWND hwnd, INT cmd )
1208 {
1209     HWND full_handle;
1210
1211     if (is_broadcast(hwnd))
1212     {
1213         SetLastError( ERROR_INVALID_PARAMETER );
1214         return FALSE;
1215     }
1216     if ((full_handle = WIN_IsCurrentThread( hwnd )))
1217         return show_window( full_handle, cmd );
1218
1219     return SendMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
1220 }
1221
1222
1223 /***********************************************************************
1224  *              GetInternalWindowPos (USER32.@)
1225  */
1226 UINT WINAPI GetInternalWindowPos( HWND hwnd, LPRECT rectWnd,
1227                                       LPPOINT ptIcon )
1228 {
1229     WINDOWPLACEMENT wndpl;
1230     if (GetWindowPlacement( hwnd, &wndpl ))
1231     {
1232         if (rectWnd) *rectWnd = wndpl.rcNormalPosition;
1233         if (ptIcon)  *ptIcon = wndpl.ptMinPosition;
1234         return wndpl.showCmd;
1235     }
1236     return 0;
1237 }
1238
1239
1240 /***********************************************************************
1241  *              GetWindowPlacement (USER32.@)
1242  *
1243  * Win95:
1244  * Fails if wndpl->length of Win95 (!) apps is invalid.
1245  */
1246 BOOL WINAPI GetWindowPlacement( HWND hwnd, WINDOWPLACEMENT *wndpl )
1247 {
1248     WND *pWnd = WIN_GetPtr( hwnd );
1249     LPINTERNALPOS lpPos;
1250
1251     if (!pWnd || pWnd == WND_DESKTOP) return FALSE;
1252     if (pWnd == WND_OTHER_PROCESS)
1253     {
1254         if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
1255         return FALSE;
1256     }
1257
1258     lpPos = WINPOS_InitInternalPos( pWnd );
1259     wndpl->length  = sizeof(*wndpl);
1260     if( pWnd->dwStyle & WS_MINIMIZE )
1261         wndpl->showCmd = SW_SHOWMINIMIZED;
1262     else
1263         wndpl->showCmd = ( pWnd->dwStyle & WS_MAXIMIZE ) ? SW_SHOWMAXIMIZED : SW_SHOWNORMAL ;
1264     if( pWnd->flags & WIN_RESTORE_MAX )
1265         wndpl->flags = WPF_RESTORETOMAXIMIZED;
1266     else
1267         wndpl->flags = 0;
1268     wndpl->ptMinPosition.x = lpPos->ptIconPos.x;
1269     wndpl->ptMinPosition.y = lpPos->ptIconPos.y;
1270     wndpl->ptMaxPosition.x = lpPos->ptMaxPos.x;
1271     wndpl->ptMaxPosition.y = lpPos->ptMaxPos.y;
1272     wndpl->rcNormalPosition.left   = lpPos->rectNormal.left;
1273     wndpl->rcNormalPosition.top    = lpPos->rectNormal.top;
1274     wndpl->rcNormalPosition.right  = lpPos->rectNormal.right;
1275     wndpl->rcNormalPosition.bottom = lpPos->rectNormal.bottom;
1276     WIN_ReleasePtr( pWnd );
1277     return TRUE;
1278 }
1279
1280
1281 /***********************************************************************
1282  *           WINPOS_SetPlacement
1283  */
1284 static BOOL WINPOS_SetPlacement( HWND hwnd, const WINDOWPLACEMENT *wndpl, UINT flags )
1285 {
1286     LPINTERNALPOS lpPos;
1287     DWORD style;
1288     WND *pWnd = WIN_GetPtr( hwnd );
1289
1290     if (!pWnd || pWnd == WND_OTHER_PROCESS || pWnd == WND_DESKTOP) return FALSE;
1291     lpPos = WINPOS_InitInternalPos( pWnd );
1292
1293     if( flags & PLACE_MIN )
1294     {
1295         lpPos->ptIconPos.x = wndpl->ptMinPosition.x;
1296         lpPos->ptIconPos.y = wndpl->ptMinPosition.y;
1297     }
1298     if( flags & PLACE_MAX )
1299     {
1300         lpPos->ptMaxPos.x = wndpl->ptMaxPosition.x;
1301         lpPos->ptMaxPos.y = wndpl->ptMaxPosition.y;
1302     }
1303     if( flags & PLACE_RECT)
1304     {
1305         lpPos->rectNormal.left   = wndpl->rcNormalPosition.left;
1306         lpPos->rectNormal.top    = wndpl->rcNormalPosition.top;
1307         lpPos->rectNormal.right  = wndpl->rcNormalPosition.right;
1308         lpPos->rectNormal.bottom = wndpl->rcNormalPosition.bottom;
1309     }
1310
1311     style = pWnd->dwStyle;
1312     WIN_ReleasePtr( pWnd );
1313
1314     if( style & WS_MINIMIZE )
1315     {
1316         WINPOS_ShowIconTitle( hwnd, FALSE );
1317         if( wndpl->flags & WPF_SETMINPOSITION && !EMPTYPOINT(lpPos->ptIconPos))
1318             SetWindowPos( hwnd, 0, lpPos->ptIconPos.x, lpPos->ptIconPos.y,
1319                           0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
1320     }
1321     else if( style & WS_MAXIMIZE )
1322     {
1323         if( !EMPTYPOINT(lpPos->ptMaxPos) )
1324             SetWindowPos( hwnd, 0, lpPos->ptMaxPos.x, lpPos->ptMaxPos.y,
1325                           0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
1326     }
1327     else if( flags & PLACE_RECT )
1328         SetWindowPos( hwnd, 0, lpPos->rectNormal.left, lpPos->rectNormal.top,
1329                       lpPos->rectNormal.right - lpPos->rectNormal.left,
1330                       lpPos->rectNormal.bottom - lpPos->rectNormal.top,
1331                       SWP_NOZORDER | SWP_NOACTIVATE );
1332
1333     ShowWindow( hwnd, wndpl->showCmd );
1334
1335     if (IsIconic( hwnd ))
1336     {
1337         if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE) WINPOS_ShowIconTitle( hwnd, TRUE );
1338
1339         /* SDK: ...valid only the next time... */
1340         if( wndpl->flags & WPF_RESTORETOMAXIMIZED )
1341         {
1342             pWnd = WIN_GetPtr( hwnd );
1343             if (pWnd && pWnd != WND_OTHER_PROCESS)
1344             {
1345                 pWnd->flags |= WIN_RESTORE_MAX;
1346                 WIN_ReleasePtr( pWnd );
1347             }
1348         }
1349     }
1350     return TRUE;
1351 }
1352
1353
1354 /***********************************************************************
1355  *              SetWindowPlacement (USER32.@)
1356  *
1357  * Win95:
1358  * Fails if wndpl->length of Win95 (!) apps is invalid.
1359  */
1360 BOOL WINAPI SetWindowPlacement( HWND hwnd, const WINDOWPLACEMENT *wpl )
1361 {
1362     if (!wpl) return FALSE;
1363     return WINPOS_SetPlacement( hwnd, wpl, PLACE_MIN | PLACE_MAX | PLACE_RECT );
1364 }
1365
1366
1367 /***********************************************************************
1368  *              AnimateWindow (USER32.@)
1369  *              Shows/Hides a window with an animation
1370  *              NO ANIMATION YET
1371  */
1372 BOOL WINAPI AnimateWindow(HWND hwnd, DWORD dwTime, DWORD dwFlags)
1373 {
1374         FIXME("partial stub\n");
1375
1376         /* If trying to show/hide and it's already   *
1377          * shown/hidden or invalid window, fail with *
1378          * invalid parameter                         */
1379         if(!IsWindow(hwnd) ||
1380            (IsWindowVisible(hwnd) && !(dwFlags & AW_HIDE)) ||
1381            (!IsWindowVisible(hwnd) && (dwFlags & AW_HIDE)))
1382         {
1383                 SetLastError(ERROR_INVALID_PARAMETER);
1384                 return FALSE;
1385         }
1386
1387         ShowWindow(hwnd, (dwFlags & AW_HIDE) ? SW_HIDE : ((dwFlags & AW_ACTIVATE) ? SW_SHOW : SW_SHOWNA));
1388
1389         return TRUE;
1390 }
1391
1392 /***********************************************************************
1393  *              SetInternalWindowPos (USER32.@)
1394  */
1395 void WINAPI SetInternalWindowPos( HWND hwnd, UINT showCmd,
1396                                     LPRECT rect, LPPOINT pt )
1397 {
1398     if( IsWindow(hwnd) )
1399     {
1400         WINDOWPLACEMENT wndpl;
1401         UINT flags;
1402
1403         wndpl.length  = sizeof(wndpl);
1404         wndpl.showCmd = showCmd;
1405         wndpl.flags = flags = 0;
1406
1407         if( pt )
1408         {
1409             flags |= PLACE_MIN;
1410             wndpl.flags |= WPF_SETMINPOSITION;
1411             wndpl.ptMinPosition = *pt;
1412         }
1413         if( rect )
1414         {
1415             flags |= PLACE_RECT;
1416             wndpl.rcNormalPosition = *rect;
1417         }
1418         WINPOS_SetPlacement( hwnd, &wndpl, flags );
1419     }
1420 }
1421
1422
1423 /*******************************************************************
1424  *         can_activate_window
1425  *
1426  * Check if we can activate the specified window.
1427  */
1428 static BOOL can_activate_window( HWND hwnd )
1429 {
1430     LONG style;
1431
1432     if (!hwnd) return FALSE;
1433     style = GetWindowLongW( hwnd, GWL_STYLE );
1434     if (!(style & WS_VISIBLE)) return FALSE;
1435     if ((style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return FALSE;
1436     return !(style & WS_DISABLED);
1437 }
1438
1439
1440 /*******************************************************************
1441  *         WINPOS_ActivateOtherWindow
1442  *
1443  *  Activates window other than pWnd.
1444  */
1445 void WINPOS_ActivateOtherWindow(HWND hwnd)
1446 {
1447     HWND hwndTo, fg;
1448
1449     if ((GetWindowLongW( hwnd, GWL_STYLE ) & WS_POPUP) && (hwndTo = GetWindow( hwnd, GW_OWNER )))
1450     {
1451         hwndTo = GetAncestor( hwndTo, GA_ROOT );
1452         if (can_activate_window( hwndTo )) goto done;
1453     }
1454
1455     hwndTo = hwnd;
1456     for (;;)
1457     {
1458         if (!(hwndTo = GetWindow( hwndTo, GW_HWNDNEXT ))) break;
1459         if (can_activate_window( hwndTo )) break;
1460     }
1461
1462  done:
1463     fg = GetForegroundWindow();
1464     TRACE("win = %p fg = %p\n", hwndTo, fg);
1465     if (!fg || (hwnd == fg))
1466     {
1467         if (SetForegroundWindow( hwndTo )) return;
1468     }
1469     if (!SetActiveWindow( hwndTo )) SetActiveWindow(0);
1470 }
1471
1472
1473 /***********************************************************************
1474  *           WINPOS_HandleWindowPosChanging
1475  *
1476  * Default handling for a WM_WINDOWPOSCHANGING. Called from DefWindowProc().
1477  */
1478 LONG WINPOS_HandleWindowPosChanging( HWND hwnd, WINDOWPOS *winpos )
1479 {
1480     POINT minTrack, maxTrack;
1481     LONG style = GetWindowLongW( hwnd, GWL_STYLE );
1482
1483     if (winpos->flags & SWP_NOSIZE) return 0;
1484     if ((style & WS_THICKFRAME) || ((style & (WS_POPUP | WS_CHILD)) == 0))
1485     {
1486         WINPOS_GetMinMaxInfo( hwnd, NULL, NULL, &minTrack, &maxTrack );
1487         if (winpos->cx > maxTrack.x) winpos->cx = maxTrack.x;
1488         if (winpos->cy > maxTrack.y) winpos->cy = maxTrack.y;
1489         if (!(style & WS_MINIMIZE))
1490         {
1491             if (winpos->cx < minTrack.x ) winpos->cx = minTrack.x;
1492             if (winpos->cy < minTrack.y ) winpos->cy = minTrack.y;
1493         }
1494     }
1495     return 0;
1496 }
1497
1498
1499 /***********************************************************************
1500  *           dump_winpos_flags
1501  */
1502 static void dump_winpos_flags(UINT flags)
1503 {
1504     TRACE("flags:");
1505     if(flags & SWP_NOSIZE) TRACE(" SWP_NOSIZE");
1506     if(flags & SWP_NOMOVE) TRACE(" SWP_NOMOVE");
1507     if(flags & SWP_NOZORDER) TRACE(" SWP_NOZORDER");
1508     if(flags & SWP_NOREDRAW) TRACE(" SWP_NOREDRAW");
1509     if(flags & SWP_NOACTIVATE) TRACE(" SWP_NOACTIVATE");
1510     if(flags & SWP_FRAMECHANGED) TRACE(" SWP_FRAMECHANGED");
1511     if(flags & SWP_SHOWWINDOW) TRACE(" SWP_SHOWWINDOW");
1512     if(flags & SWP_HIDEWINDOW) TRACE(" SWP_HIDEWINDOW");
1513     if(flags & SWP_NOCOPYBITS) TRACE(" SWP_NOCOPYBITS");
1514     if(flags & SWP_NOOWNERZORDER) TRACE(" SWP_NOOWNERZORDER");
1515     if(flags & SWP_NOSENDCHANGING) TRACE(" SWP_NOSENDCHANGING");
1516     if(flags & SWP_DEFERERASE) TRACE(" SWP_DEFERERASE");
1517     if(flags & SWP_ASYNCWINDOWPOS) TRACE(" SWP_ASYNCWINDOWPOS");
1518
1519 #define DUMPED_FLAGS \
1520     (SWP_NOSIZE | \
1521     SWP_NOMOVE | \
1522     SWP_NOZORDER | \
1523     SWP_NOREDRAW | \
1524     SWP_NOACTIVATE | \
1525     SWP_FRAMECHANGED | \
1526     SWP_SHOWWINDOW | \
1527     SWP_HIDEWINDOW | \
1528     SWP_NOCOPYBITS | \
1529     SWP_NOOWNERZORDER | \
1530     SWP_NOSENDCHANGING | \
1531     SWP_DEFERERASE | \
1532     SWP_ASYNCWINDOWPOS)
1533
1534     if(flags & ~DUMPED_FLAGS) TRACE(" %08x", flags & ~DUMPED_FLAGS);
1535     TRACE("\n");
1536 #undef DUMPED_FLAGS
1537 }
1538
1539 /***********************************************************************
1540  *           SWP_DoWinPosChanging
1541  */
1542 static BOOL SWP_DoWinPosChanging( WINDOWPOS* pWinpos, RECT* pNewWindowRect, RECT* pNewClientRect )
1543 {
1544     WND *wndPtr;
1545
1546     /* Send WM_WINDOWPOSCHANGING message */
1547
1548     if (!(pWinpos->flags & SWP_NOSENDCHANGING))
1549         SendMessageW( pWinpos->hwnd, WM_WINDOWPOSCHANGING, 0, (LPARAM)pWinpos );
1550
1551     if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) ||
1552         wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
1553
1554     /* Calculate new position and size */
1555
1556     *pNewWindowRect = wndPtr->rectWindow;
1557     *pNewClientRect = (wndPtr->dwStyle & WS_MINIMIZE) ? wndPtr->rectWindow
1558                                                     : wndPtr->rectClient;
1559
1560     if (!(pWinpos->flags & SWP_NOSIZE))
1561     {
1562         pNewWindowRect->right  = pNewWindowRect->left + pWinpos->cx;
1563         pNewWindowRect->bottom = pNewWindowRect->top + pWinpos->cy;
1564     }
1565     if (!(pWinpos->flags & SWP_NOMOVE))
1566     {
1567         pNewWindowRect->left    = pWinpos->x;
1568         pNewWindowRect->top     = pWinpos->y;
1569         pNewWindowRect->right  += pWinpos->x - wndPtr->rectWindow.left;
1570         pNewWindowRect->bottom += pWinpos->y - wndPtr->rectWindow.top;
1571
1572         OffsetRect( pNewClientRect, pWinpos->x - wndPtr->rectWindow.left,
1573                                     pWinpos->y - wndPtr->rectWindow.top );
1574     }
1575     pWinpos->flags |= SWP_NOCLIENTMOVE | SWP_NOCLIENTSIZE;
1576
1577     TRACE( "hwnd %p, after %p, swp %d,%d %dx%d flags %08x\n",
1578            pWinpos->hwnd, pWinpos->hwndInsertAfter, pWinpos->x, pWinpos->y,
1579            pWinpos->cx, pWinpos->cy, pWinpos->flags );
1580     TRACE( "current %s style %08x new %s\n",
1581            wine_dbgstr_rect( &wndPtr->rectWindow ), wndPtr->dwStyle,
1582            wine_dbgstr_rect( pNewWindowRect ));
1583
1584     WIN_ReleasePtr( wndPtr );
1585     return TRUE;
1586 }
1587
1588 /***********************************************************************
1589  *           get_valid_rects
1590  *
1591  * Compute the valid rects from the old and new client rect and WVR_* flags.
1592  * Helper for WM_NCCALCSIZE handling.
1593  */
1594 static inline void get_valid_rects( const RECT *old_client, const RECT *new_client, UINT flags,
1595                                     RECT *valid )
1596 {
1597     int cx, cy;
1598
1599     if (flags & WVR_REDRAW)
1600     {
1601         SetRectEmpty( &valid[0] );
1602         SetRectEmpty( &valid[1] );
1603         return;
1604     }
1605
1606     if (flags & WVR_VALIDRECTS)
1607     {
1608         if (!IntersectRect( &valid[0], &valid[0], new_client ) ||
1609             !IntersectRect( &valid[1], &valid[1], old_client ))
1610         {
1611             SetRectEmpty( &valid[0] );
1612             SetRectEmpty( &valid[1] );
1613             return;
1614         }
1615         flags = WVR_ALIGNLEFT | WVR_ALIGNTOP;
1616     }
1617     else
1618     {
1619         valid[0] = *new_client;
1620         valid[1] = *old_client;
1621     }
1622
1623     /* make sure the rectangles have the same size */
1624     cx = min( valid[0].right - valid[0].left, valid[1].right - valid[1].left );
1625     cy = min( valid[0].bottom - valid[0].top, valid[1].bottom - valid[1].top );
1626
1627     if (flags & WVR_ALIGNBOTTOM)
1628     {
1629         valid[0].top = valid[0].bottom - cy;
1630         valid[1].top = valid[1].bottom - cy;
1631     }
1632     else
1633     {
1634         valid[0].bottom = valid[0].top + cy;
1635         valid[1].bottom = valid[1].top + cy;
1636     }
1637     if (flags & WVR_ALIGNRIGHT)
1638     {
1639         valid[0].left = valid[0].right - cx;
1640         valid[1].left = valid[1].right - cx;
1641     }
1642     else
1643     {
1644         valid[0].right = valid[0].left + cx;
1645         valid[1].right = valid[1].left + cx;
1646     }
1647 }
1648
1649
1650 /***********************************************************************
1651  *           SWP_DoOwnedPopups
1652  *
1653  * fix Z order taking into account owned popups -
1654  * basically we need to maintain them above the window that owns them
1655  *
1656  * FIXME: hide/show owned popups when owner visibility changes.
1657  */
1658 static HWND SWP_DoOwnedPopups(HWND hwnd, HWND hwndInsertAfter)
1659 {
1660     LONG style = GetWindowLongW( hwnd, GWL_STYLE );
1661     HWND owner, *list = NULL;
1662     unsigned int i;
1663
1664     TRACE("(%p) hInsertAfter = %p\n", hwnd, hwndInsertAfter );
1665
1666     if ((style & WS_POPUP) && (owner = GetWindow( hwnd, GW_OWNER )))
1667     {
1668         /* make sure this popup stays above the owner */
1669
1670         if (hwndInsertAfter != HWND_TOP && hwndInsertAfter != HWND_TOPMOST)
1671         {
1672             if (!(list = WIN_ListChildren( GetDesktopWindow() ))) return hwndInsertAfter;
1673
1674             for (i = 0; list[i]; i++)
1675             {
1676                 if (list[i] == owner)
1677                 {
1678                     if (i > 0) hwndInsertAfter = list[i-1];
1679                     else hwndInsertAfter = HWND_TOP;
1680                     break;
1681                 }
1682
1683                 if (hwndInsertAfter == HWND_NOTOPMOST)
1684                 {
1685                     if (!(GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TOPMOST)) break;
1686                 }
1687                 else if (list[i] == hwndInsertAfter) break;
1688             }
1689         }
1690     }
1691     else if (style & WS_CHILD) return hwndInsertAfter;
1692
1693     if (hwndInsertAfter == HWND_BOTTOM) goto done;
1694     if (!list && !(list = WIN_ListChildren( GetDesktopWindow() ))) goto done;
1695
1696     i = 0;
1697     if (hwndInsertAfter == HWND_TOP || hwndInsertAfter == HWND_NOTOPMOST)
1698     {
1699         if (hwndInsertAfter == HWND_NOTOPMOST || !(GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_TOPMOST))
1700         {
1701             /* skip all the topmost windows */
1702             while (list[i] && (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TOPMOST)) i++;
1703         }
1704     }
1705     else if (hwndInsertAfter != HWND_TOPMOST)
1706     {
1707         /* skip windows that are already placed correctly */
1708         for (i = 0; list[i]; i++)
1709         {
1710             if (list[i] == hwndInsertAfter) break;
1711             if (list[i] == hwnd) goto done;  /* nothing to do if window is moving backwards in z-order */
1712         }
1713     }
1714
1715     for ( ; list[i]; i++)
1716     {
1717         if (list[i] == hwnd) break;
1718         if (!(GetWindowLongW( list[i], GWL_STYLE ) & WS_POPUP)) continue;
1719         if (GetWindow( list[i], GW_OWNER ) != hwnd) continue;
1720         TRACE( "moving %p owned by %p after %p\n", list[i], hwnd, hwndInsertAfter );
1721         SetWindowPos( list[i], hwndInsertAfter, 0, 0, 0, 0,
1722                       SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE | SWP_NOSENDCHANGING | SWP_DEFERERASE );
1723         hwndInsertAfter = list[i];
1724     }
1725
1726 done:
1727     HeapFree( GetProcessHeap(), 0, list );
1728     return hwndInsertAfter;
1729 }
1730
1731 /***********************************************************************
1732  *           SWP_DoNCCalcSize
1733  */
1734 static UINT SWP_DoNCCalcSize( WINDOWPOS* pWinpos, const RECT* pNewWindowRect, RECT* pNewClientRect,
1735                               RECT *validRects )
1736 {
1737     UINT wvrFlags = 0;
1738     WND *wndPtr;
1739
1740     if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
1741
1742       /* Send WM_NCCALCSIZE message to get new client area */
1743     if( (pWinpos->flags & (SWP_FRAMECHANGED | SWP_NOSIZE)) != SWP_NOSIZE )
1744     {
1745         NCCALCSIZE_PARAMS params;
1746         WINDOWPOS winposCopy;
1747
1748         params.rgrc[0] = *pNewWindowRect;
1749         params.rgrc[1] = wndPtr->rectWindow;
1750         params.rgrc[2] = wndPtr->rectClient;
1751         params.lppos = &winposCopy;
1752         winposCopy = *pWinpos;
1753         WIN_ReleasePtr( wndPtr );
1754
1755         wvrFlags = SendMessageW( pWinpos->hwnd, WM_NCCALCSIZE, TRUE, (LPARAM)&params );
1756
1757         *pNewClientRect = params.rgrc[0];
1758
1759         if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
1760
1761         TRACE( "hwnd %p old win %s old client %s new win %s new client %s\n", pWinpos->hwnd,
1762                wine_dbgstr_rect(&wndPtr->rectWindow), wine_dbgstr_rect(&wndPtr->rectClient),
1763                wine_dbgstr_rect(pNewWindowRect), wine_dbgstr_rect(pNewClientRect) );
1764
1765         if( pNewClientRect->left != wndPtr->rectClient.left ||
1766             pNewClientRect->top != wndPtr->rectClient.top )
1767             pWinpos->flags &= ~SWP_NOCLIENTMOVE;
1768
1769         if( (pNewClientRect->right - pNewClientRect->left !=
1770              wndPtr->rectClient.right - wndPtr->rectClient.left))
1771             pWinpos->flags &= ~SWP_NOCLIENTSIZE;
1772         else
1773             wvrFlags &= ~WVR_HREDRAW;
1774
1775         if (pNewClientRect->bottom - pNewClientRect->top !=
1776              wndPtr->rectClient.bottom - wndPtr->rectClient.top)
1777             pWinpos->flags &= ~SWP_NOCLIENTSIZE;
1778         else
1779             wvrFlags &= ~WVR_VREDRAW;
1780
1781         validRects[0] = params.rgrc[1];
1782         validRects[1] = params.rgrc[2];
1783     }
1784     else
1785     {
1786         if (!(pWinpos->flags & SWP_NOMOVE) &&
1787             (pNewClientRect->left != wndPtr->rectClient.left ||
1788              pNewClientRect->top != wndPtr->rectClient.top))
1789             pWinpos->flags &= ~SWP_NOCLIENTMOVE;
1790     }
1791
1792     if (pWinpos->flags & (SWP_NOCOPYBITS | SWP_NOREDRAW | SWP_SHOWWINDOW | SWP_HIDEWINDOW))
1793     {
1794         SetRectEmpty( &validRects[0] );
1795         SetRectEmpty( &validRects[1] );
1796     }
1797     else get_valid_rects( &wndPtr->rectClient, pNewClientRect, wvrFlags, validRects );
1798
1799     WIN_ReleasePtr( wndPtr );
1800     return wvrFlags;
1801 }
1802
1803 /* fix redundant flags and values in the WINDOWPOS structure */
1804 static BOOL fixup_flags( WINDOWPOS *winpos )
1805 {
1806     HWND parent;
1807     WND *wndPtr = WIN_GetPtr( winpos->hwnd );
1808     BOOL ret = TRUE;
1809
1810     if (!wndPtr || wndPtr == WND_OTHER_PROCESS)
1811     {
1812         SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1813         return FALSE;
1814     }
1815     winpos->hwnd = wndPtr->hwndSelf;  /* make it a full handle */
1816
1817     /* Finally make sure that all coordinates are valid */
1818     if (winpos->x < -32768) winpos->x = -32768;
1819     else if (winpos->x > 32767) winpos->x = 32767;
1820     if (winpos->y < -32768) winpos->y = -32768;
1821     else if (winpos->y > 32767) winpos->y = 32767;
1822
1823     if (winpos->cx < 0) winpos->cx = 0;
1824     else if (winpos->cx > 32767) winpos->cx = 32767;
1825     if (winpos->cy < 0) winpos->cy = 0;
1826     else if (winpos->cy > 32767) winpos->cy = 32767;
1827
1828     parent = GetAncestor( winpos->hwnd, GA_PARENT );
1829     if (!IsWindowVisible( parent )) winpos->flags |= SWP_NOREDRAW;
1830
1831     if (wndPtr->dwStyle & WS_VISIBLE) winpos->flags &= ~SWP_SHOWWINDOW;
1832     else
1833     {
1834         winpos->flags &= ~SWP_HIDEWINDOW;
1835         if (!(winpos->flags & SWP_SHOWWINDOW)) winpos->flags |= SWP_NOREDRAW;
1836     }
1837
1838     if ((wndPtr->rectWindow.right - wndPtr->rectWindow.left == winpos->cx) &&
1839         (wndPtr->rectWindow.bottom - wndPtr->rectWindow.top == winpos->cy))
1840         winpos->flags |= SWP_NOSIZE;    /* Already the right size */
1841
1842     if ((wndPtr->rectWindow.left == winpos->x) && (wndPtr->rectWindow.top == winpos->y))
1843         winpos->flags |= SWP_NOMOVE;    /* Already the right position */
1844
1845     if ((wndPtr->dwStyle & (WS_POPUP | WS_CHILD)) != WS_CHILD)
1846     {
1847         if (!(winpos->flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW)) && /* Bring to the top when activating */
1848             (winpos->flags & SWP_NOZORDER ||
1849              (winpos->hwndInsertAfter != HWND_TOPMOST && winpos->hwndInsertAfter != HWND_NOTOPMOST)))
1850         {
1851             winpos->flags &= ~SWP_NOZORDER;
1852             winpos->hwndInsertAfter = HWND_TOP;
1853         }
1854     }
1855
1856     /* Check hwndInsertAfter */
1857     if (winpos->flags & SWP_NOZORDER) goto done;
1858
1859     /* fix sign extension */
1860     if (winpos->hwndInsertAfter == (HWND)0xffff) winpos->hwndInsertAfter = HWND_TOPMOST;
1861     else if (winpos->hwndInsertAfter == (HWND)0xfffe) winpos->hwndInsertAfter = HWND_NOTOPMOST;
1862
1863     /* hwndInsertAfter must be a sibling of the window */
1864     if (winpos->hwndInsertAfter == HWND_TOP)
1865     {
1866         if (GetWindow(winpos->hwnd, GW_HWNDFIRST) == winpos->hwnd)
1867             winpos->flags |= SWP_NOZORDER;
1868     }
1869     else if (winpos->hwndInsertAfter == HWND_BOTTOM)
1870     {
1871         if (!(wndPtr->dwExStyle & WS_EX_TOPMOST) && GetWindow(winpos->hwnd, GW_HWNDLAST) == winpos->hwnd)
1872             winpos->flags |= SWP_NOZORDER;
1873     }
1874     else if (winpos->hwndInsertAfter == HWND_TOPMOST)
1875     {
1876         if ((wndPtr->dwExStyle & WS_EX_TOPMOST) && GetWindow(winpos->hwnd, GW_HWNDFIRST) == winpos->hwnd)
1877             winpos->flags |= SWP_NOZORDER;
1878     }
1879     else if (winpos->hwndInsertAfter == HWND_NOTOPMOST)
1880     {
1881         if (!(wndPtr->dwExStyle & WS_EX_TOPMOST))
1882             winpos->flags |= SWP_NOZORDER;
1883     }
1884     else
1885     {
1886         if (GetAncestor( winpos->hwndInsertAfter, GA_PARENT ) != parent) ret = FALSE;
1887         else
1888         {
1889             /* don't need to change the Zorder of hwnd if it's already inserted
1890              * after hwndInsertAfter or when inserting hwnd after itself.
1891              */
1892             if ((winpos->hwnd == winpos->hwndInsertAfter) ||
1893                 (winpos->hwnd == GetWindow( winpos->hwndInsertAfter, GW_HWNDNEXT )))
1894                 winpos->flags |= SWP_NOZORDER;
1895         }
1896     }
1897  done:
1898     WIN_ReleasePtr( wndPtr );
1899     return ret;
1900 }
1901
1902
1903 /***********************************************************************
1904  *              set_window_pos
1905  *
1906  * Backend implementation of SetWindowPos.
1907  */
1908 BOOL set_window_pos( HWND hwnd, HWND insert_after, UINT swp_flags,
1909                      const RECT *window_rect, const RECT *client_rect, const RECT *valid_rects )
1910 {
1911     WND *win;
1912     BOOL ret;
1913     RECT visible_rect, old_window_rect;
1914     DWORD new_style;
1915
1916     if (!(win = WIN_GetPtr( hwnd ))) return FALSE;
1917     if (win == WND_DESKTOP || win == WND_OTHER_PROCESS) return FALSE;
1918
1919     old_window_rect = win->rectWindow;
1920     SERVER_START_REQ( set_window_pos )
1921     {
1922         req->handle        = hwnd;
1923         req->previous      = insert_after;
1924         req->flags         = swp_flags;
1925         req->window.left   = window_rect->left;
1926         req->window.top    = window_rect->top;
1927         req->window.right  = window_rect->right;
1928         req->window.bottom = window_rect->bottom;
1929         req->client.left   = client_rect->left;
1930         req->client.top    = client_rect->top;
1931         req->client.right  = client_rect->right;
1932         req->client.bottom = client_rect->bottom;
1933         if (!IsRectEmpty( &valid_rects[0] ))
1934             wine_server_add_data( req, valid_rects, 2 * sizeof(*valid_rects) );
1935         if ((ret = !wine_server_call( req )))
1936         {
1937             win->dwStyle    = reply->new_style;
1938             win->dwExStyle  = reply->new_ex_style;
1939             win->rectWindow = *window_rect;
1940             win->rectClient = *client_rect;
1941             visible_rect.left   = reply->visible.left;
1942             visible_rect.top    = reply->visible.top;
1943             visible_rect.right  = reply->visible.right;
1944             visible_rect.bottom = reply->visible.bottom;
1945         }
1946     }
1947     SERVER_END_REQ;
1948     new_style = win->dwStyle;
1949     WIN_ReleasePtr( win );
1950
1951     if (ret)
1952     {
1953         USER_Driver->pSetWindowPos( hwnd, insert_after, swp_flags, window_rect,
1954                                     client_rect, &visible_rect, valid_rects );
1955
1956         if ((((swp_flags & SWP_AGG_NOPOSCHANGE) != SWP_AGG_NOPOSCHANGE) && (new_style & WS_VISIBLE)) ||
1957             (swp_flags & (SWP_HIDEWINDOW | SWP_SHOWWINDOW)))
1958             invalidate_dce( hwnd, &old_window_rect );
1959     }
1960     return ret;
1961 }
1962
1963
1964 /***********************************************************************
1965  *              USER_SetWindowPos
1966  *
1967  *     User32 internal function
1968  */
1969 BOOL USER_SetWindowPos( WINDOWPOS * winpos )
1970 {
1971     RECT newWindowRect, newClientRect, valid_rects[2];
1972     UINT orig_flags;
1973
1974     orig_flags = winpos->flags;
1975
1976     /* First make sure that coordinates are valid for WM_WINDOWPOSCHANGING */
1977     if (!(winpos->flags & SWP_NOMOVE))
1978     {
1979         if (winpos->x < -32768) winpos->x = -32768;
1980         else if (winpos->x > 32767) winpos->x = 32767;
1981         if (winpos->y < -32768) winpos->y = -32768;
1982         else if (winpos->y > 32767) winpos->y = 32767;
1983     }
1984     if (!(winpos->flags & SWP_NOSIZE))
1985     {
1986         if (winpos->cx < 0) winpos->cx = 0;
1987         else if (winpos->cx > 32767) winpos->cx = 32767;
1988         if (winpos->cy < 0) winpos->cy = 0;
1989         else if (winpos->cy > 32767) winpos->cy = 32767;
1990     }
1991
1992     if (!SWP_DoWinPosChanging( winpos, &newWindowRect, &newClientRect )) return FALSE;
1993
1994     /* Fix redundant flags */
1995     if (!fixup_flags( winpos )) return FALSE;
1996
1997     if((winpos->flags & (SWP_NOZORDER | SWP_HIDEWINDOW | SWP_SHOWWINDOW)) != SWP_NOZORDER)
1998     {
1999         if (GetAncestor( winpos->hwnd, GA_PARENT ) == GetDesktopWindow())
2000             winpos->hwndInsertAfter = SWP_DoOwnedPopups( winpos->hwnd, winpos->hwndInsertAfter );
2001     }
2002
2003     /* Common operations */
2004
2005     SWP_DoNCCalcSize( winpos, &newWindowRect, &newClientRect, valid_rects );
2006
2007     if (!set_window_pos( winpos->hwnd, winpos->hwndInsertAfter, winpos->flags,
2008                          &newWindowRect, &newClientRect, valid_rects ))
2009         return FALSE;
2010
2011     /* erase parent when hiding or resizing child */
2012     if (!(orig_flags & SWP_DEFERERASE) &&
2013         ((orig_flags & SWP_HIDEWINDOW) ||
2014          (!(orig_flags & SWP_SHOWWINDOW) &&
2015           (winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOGEOMETRYCHANGE)))
2016     {
2017         HWND parent = GetAncestor( winpos->hwnd, GA_PARENT );
2018         if (!parent || parent == GetDesktopWindow()) parent = winpos->hwnd;
2019         erase_now( parent, 0 );
2020     }
2021
2022     if( winpos->flags & SWP_HIDEWINDOW )
2023         HideCaret(winpos->hwnd);
2024     else if (winpos->flags & SWP_SHOWWINDOW)
2025         ShowCaret(winpos->hwnd);
2026
2027     if (!(winpos->flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW)))
2028     {
2029         /* child windows get WM_CHILDACTIVATE message */
2030         if ((GetWindowLongW( winpos->hwnd, GWL_STYLE ) & (WS_CHILD | WS_POPUP)) == WS_CHILD)
2031             SendMessageW( winpos->hwnd, WM_CHILDACTIVATE, 0, 0 );
2032         else
2033             SetForegroundWindow( winpos->hwnd );
2034     }
2035
2036       /* And last, send the WM_WINDOWPOSCHANGED message */
2037
2038     TRACE("\tstatus flags = %04x\n", winpos->flags & SWP_AGG_STATUSFLAGS);
2039
2040     if (((winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOPOSCHANGE))
2041     {
2042         /* WM_WINDOWPOSCHANGED is sent even if SWP_NOSENDCHANGING is set
2043            and always contains final window position.
2044          */
2045         winpos->x = newWindowRect.left;
2046         winpos->y = newWindowRect.top;
2047         winpos->cx = newWindowRect.right - newWindowRect.left;
2048         winpos->cy = newWindowRect.bottom - newWindowRect.top;
2049         SendMessageW( winpos->hwnd, WM_WINDOWPOSCHANGED, 0, (LPARAM)winpos );
2050     }
2051     return TRUE;
2052 }
2053
2054 /***********************************************************************
2055  *              SetWindowPos (USER32.@)
2056  */
2057 BOOL WINAPI SetWindowPos( HWND hwnd, HWND hwndInsertAfter,
2058                           INT x, INT y, INT cx, INT cy, UINT flags )
2059 {
2060     WINDOWPOS winpos;
2061
2062     TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
2063           hwnd, hwndInsertAfter, x, y, cx, cy, flags);
2064     if(TRACE_ON(win)) dump_winpos_flags(flags);
2065
2066     if (is_broadcast(hwnd))
2067     {
2068         SetLastError( ERROR_INVALID_PARAMETER );
2069         return FALSE;
2070     }
2071
2072     winpos.hwnd = WIN_GetFullHandle(hwnd);
2073     winpos.hwndInsertAfter = WIN_GetFullHandle(hwndInsertAfter);
2074     winpos.x = x;
2075     winpos.y = y;
2076     winpos.cx = cx;
2077     winpos.cy = cy;
2078     winpos.flags = flags;
2079
2080     if (WIN_IsCurrentThread( hwnd ))
2081         return USER_SetWindowPos(&winpos);
2082
2083     return SendMessageW( winpos.hwnd, WM_WINE_SETWINDOWPOS, 0, (LPARAM)&winpos );
2084 }
2085
2086
2087 /***********************************************************************
2088  *              BeginDeferWindowPos (USER32.@)
2089  */
2090 HDWP WINAPI BeginDeferWindowPos( INT count )
2091 {
2092     HDWP handle;
2093     DWP *pDWP;
2094
2095     TRACE("%d\n", count);
2096
2097     if (count < 0)
2098     {
2099         SetLastError(ERROR_INVALID_PARAMETER);
2100         return 0;
2101     }
2102     /* Windows allows zero count, in which case it allocates context for 8 moves */
2103     if (count == 0) count = 8;
2104
2105     handle = USER_HEAP_ALLOC( sizeof(DWP) + (count-1)*sizeof(WINDOWPOS) );
2106     if (!handle) return 0;
2107     pDWP = (DWP *) USER_HEAP_LIN_ADDR( handle );
2108     pDWP->actualCount    = 0;
2109     pDWP->suggestedCount = count;
2110     pDWP->valid          = TRUE;
2111     pDWP->wMagic         = DWP_MAGIC;
2112     pDWP->hwndParent     = 0;
2113
2114     TRACE("returning hdwp %p\n", handle);
2115     return handle;
2116 }
2117
2118
2119 /***********************************************************************
2120  *              DeferWindowPos (USER32.@)
2121  */
2122 HDWP WINAPI DeferWindowPos( HDWP hdwp, HWND hwnd, HWND hwndAfter,
2123                                 INT x, INT y, INT cx, INT cy,
2124                                 UINT flags )
2125 {
2126     DWP *pDWP;
2127     int i;
2128     HDWP newhdwp = hdwp,retvalue;
2129
2130     TRACE("hdwp %p, hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
2131           hdwp, hwnd, hwndAfter, x, y, cx, cy, flags);
2132
2133     hwnd = WIN_GetFullHandle( hwnd );
2134     if (hwnd == GetDesktopWindow()) return 0;
2135
2136     if (!(pDWP = USER_HEAP_LIN_ADDR( hdwp ))) return 0;
2137
2138     USER_Lock();
2139
2140     for (i = 0; i < pDWP->actualCount; i++)
2141     {
2142         if (pDWP->winPos[i].hwnd == hwnd)
2143         {
2144               /* Merge with the other changes */
2145             if (!(flags & SWP_NOZORDER))
2146             {
2147                 pDWP->winPos[i].hwndInsertAfter = WIN_GetFullHandle(hwndAfter);
2148             }
2149             if (!(flags & SWP_NOMOVE))
2150             {
2151                 pDWP->winPos[i].x = x;
2152                 pDWP->winPos[i].y = y;
2153             }
2154             if (!(flags & SWP_NOSIZE))
2155             {
2156                 pDWP->winPos[i].cx = cx;
2157                 pDWP->winPos[i].cy = cy;
2158             }
2159             pDWP->winPos[i].flags &= flags | ~(SWP_NOSIZE | SWP_NOMOVE |
2160                                                SWP_NOZORDER | SWP_NOREDRAW |
2161                                                SWP_NOACTIVATE | SWP_NOCOPYBITS|
2162                                                SWP_NOOWNERZORDER);
2163             pDWP->winPos[i].flags |= flags & (SWP_SHOWWINDOW | SWP_HIDEWINDOW |
2164                                               SWP_FRAMECHANGED);
2165             retvalue = hdwp;
2166             goto END;
2167         }
2168     }
2169     if (pDWP->actualCount >= pDWP->suggestedCount)
2170     {
2171         newhdwp = USER_HEAP_REALLOC( hdwp,
2172                       sizeof(DWP) + pDWP->suggestedCount*sizeof(WINDOWPOS) );
2173         if (!newhdwp)
2174         {
2175             retvalue = 0;
2176             goto END;
2177         }
2178         pDWP = (DWP *) USER_HEAP_LIN_ADDR( newhdwp );
2179         pDWP->suggestedCount++;
2180     }
2181     pDWP->winPos[pDWP->actualCount].hwnd = hwnd;
2182     pDWP->winPos[pDWP->actualCount].hwndInsertAfter = hwndAfter;
2183     pDWP->winPos[pDWP->actualCount].x = x;
2184     pDWP->winPos[pDWP->actualCount].y = y;
2185     pDWP->winPos[pDWP->actualCount].cx = cx;
2186     pDWP->winPos[pDWP->actualCount].cy = cy;
2187     pDWP->winPos[pDWP->actualCount].flags = flags;
2188     pDWP->actualCount++;
2189     retvalue = newhdwp;
2190 END:
2191     USER_Unlock();
2192     return retvalue;
2193 }
2194
2195
2196 /***********************************************************************
2197  *              EndDeferWindowPos (USER32.@)
2198  */
2199 BOOL WINAPI EndDeferWindowPos( HDWP hdwp )
2200 {
2201     DWP *pDWP;
2202     WINDOWPOS *winpos;
2203     BOOL res = TRUE;
2204     int i;
2205
2206     TRACE("%p\n", hdwp);
2207
2208     pDWP = (DWP *) USER_HEAP_LIN_ADDR( hdwp );
2209     if (!pDWP) return FALSE;
2210     for (i = 0, winpos = pDWP->winPos; i < pDWP->actualCount; i++, winpos++)
2211     {
2212         TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
2213                winpos->hwnd, winpos->hwndInsertAfter, winpos->x, winpos->y,
2214                winpos->cx, winpos->cy, winpos->flags);
2215
2216         if (!(res = USER_SetWindowPos( winpos ))) break;
2217     }
2218     USER_HEAP_FREE( hdwp );
2219     return res;
2220 }
2221
2222
2223 /***********************************************************************
2224  *              TileChildWindows (USER.199)
2225  */
2226 void WINAPI TileChildWindows16( HWND16 parent, WORD action )
2227 {
2228     FIXME("(%04x, %d): stub\n", parent, action);
2229 }
2230
2231 /***********************************************************************
2232  *              CascadeChildWindows (USER.198)
2233  */
2234 void WINAPI CascadeChildWindows16( HWND16 parent, WORD action )
2235 {
2236     FIXME("(%04x, %d): stub\n", parent, action);
2237 }