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 (hwnd != GetActiveWindow())
1056                 swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1057             break;
1058
1059         case SW_SHOWMINNOACTIVE:
1060             swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1061             /* fall through */
1062         case SW_MINIMIZE:
1063         case SW_FORCEMINIMIZE: /* FIXME: Does not work if thread is hung. */
1064             if (style & WS_CHILD) swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1065             /* fall through */
1066         case SW_SHOWMINIMIZED:
1067             swp |= SWP_SHOWWINDOW | SWP_FRAMECHANGED;
1068             swp |= WINPOS_MinMaximize( hwnd, cmd, &newPos );
1069             if ((style & WS_MINIMIZE) && wasVisible) return TRUE;
1070             break;
1071
1072         case SW_SHOWMAXIMIZED: /* same as SW_MAXIMIZE */
1073             if (!wasVisible) swp |= SWP_SHOWWINDOW;
1074             swp |= SWP_FRAMECHANGED;
1075             swp |= WINPOS_MinMaximize( hwnd, SW_MAXIMIZE, &newPos );
1076             if ((style & WS_MAXIMIZE) && wasVisible) return TRUE;
1077             break;
1078
1079         case SW_SHOWNA:
1080             swp |= SWP_NOACTIVATE | SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE;
1081             if (style & WS_CHILD) swp |= SWP_NOZORDER;
1082             break;
1083         case SW_SHOW:
1084             if (wasVisible) return TRUE;
1085             swp |= SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE;
1086             if (style & WS_CHILD) swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1087             break;
1088
1089         case SW_SHOWNOACTIVATE:
1090             swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1091             /* fall through */
1092         case SW_RESTORE:
1093             /* fall through */
1094         case SW_SHOWNORMAL:  /* same as SW_NORMAL: */
1095         case SW_SHOWDEFAULT: /* FIXME: should have its own handler */
1096             if (!wasVisible) swp |= SWP_SHOWWINDOW;
1097             if (style & (WS_MINIMIZE | WS_MAXIMIZE))
1098             {
1099                 swp |= SWP_FRAMECHANGED;
1100                 swp |= WINPOS_MinMaximize( hwnd, cmd, &newPos );
1101             }
1102             else
1103             {
1104                 if (wasVisible) return TRUE;
1105                 swp |= SWP_NOSIZE | SWP_NOMOVE;
1106             }
1107             if (style & WS_CHILD && !(swp & SWP_STATECHANGED)) swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1108             break;
1109     }
1110
1111     if ((showFlag != wasVisible || cmd == SW_SHOWNA) && cmd != SW_SHOWMAXIMIZED && !(swp & SWP_STATECHANGED))
1112     {
1113         SendMessageW( hwnd, WM_SHOWWINDOW, showFlag, 0 );
1114         if (!IsWindow( hwnd )) return wasVisible;
1115     }
1116
1117     parent = GetAncestor( hwnd, GA_PARENT );
1118     if (parent && !IsWindowVisible( parent ) && !(swp & SWP_STATECHANGED))
1119     {
1120         /* if parent is not visible simply toggle WS_VISIBLE and return */
1121         if (showFlag) WIN_SetStyle( hwnd, WS_VISIBLE, 0 );
1122         else WIN_SetStyle( hwnd, 0, WS_VISIBLE );
1123     }
1124     else
1125         SetWindowPos( hwnd, HWND_TOP, newPos.left, newPos.top,
1126                       newPos.right, newPos.bottom, LOWORD(swp) );
1127
1128     if (cmd == SW_HIDE)
1129     {
1130         HWND hFocus;
1131
1132         WINPOS_ShowIconTitle( hwnd, FALSE );
1133
1134         /* FIXME: This will cause the window to be activated irrespective
1135          * of whether it is owned by the same thread. Has to be done
1136          * asynchronously.
1137          */
1138
1139         if (hwnd == GetActiveWindow())
1140             WINPOS_ActivateOtherWindow(hwnd);
1141
1142         /* Revert focus to parent */
1143         hFocus = GetFocus();
1144         if (hwnd == hFocus || IsChild(hwnd, hFocus))
1145         {
1146             HWND parent = GetAncestor(hwnd, GA_PARENT);
1147             if (parent == GetDesktopWindow()) parent = 0;
1148             SetFocus(parent);
1149         }
1150     }
1151
1152     if (IsIconic(hwnd)) WINPOS_ShowIconTitle( hwnd, TRUE );
1153
1154     if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return wasVisible;
1155
1156     if (wndPtr->flags & WIN_NEED_SIZE)
1157     {
1158         /* should happen only in CreateWindowEx() */
1159         int wParam = SIZE_RESTORED;
1160         RECT client = wndPtr->rectClient;
1161
1162         wndPtr->flags &= ~WIN_NEED_SIZE;
1163         if (wndPtr->dwStyle & WS_MAXIMIZE) wParam = SIZE_MAXIMIZED;
1164         else if (wndPtr->dwStyle & WS_MINIMIZE) wParam = SIZE_MINIMIZED;
1165         WIN_ReleasePtr( wndPtr );
1166
1167         SendMessageW( hwnd, WM_SIZE, wParam,
1168                       MAKELONG( client.right - client.left, client.bottom - client.top ));
1169         SendMessageW( hwnd, WM_MOVE, 0, MAKELONG( client.left, client.top ));
1170     }
1171     else WIN_ReleasePtr( wndPtr );
1172
1173     /* if previous state was minimized Windows sets focus to the window */
1174     if (style & WS_MINIMIZE) SetFocus( hwnd );
1175
1176     return wasVisible;
1177 }
1178
1179
1180 /***********************************************************************
1181  *              ShowWindowAsync (USER32.@)
1182  *
1183  * doesn't wait; returns immediately.
1184  * used by threads to toggle windows in other (possibly hanging) threads
1185  */
1186 BOOL WINAPI ShowWindowAsync( HWND hwnd, INT cmd )
1187 {
1188     HWND full_handle;
1189
1190     if (is_broadcast(hwnd))
1191     {
1192         SetLastError( ERROR_INVALID_PARAMETER );
1193         return FALSE;
1194     }
1195
1196     if ((full_handle = WIN_IsCurrentThread( hwnd )))
1197         return show_window( full_handle, cmd );
1198
1199     return SendNotifyMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
1200 }
1201
1202
1203 /***********************************************************************
1204  *              ShowWindow (USER32.@)
1205  */
1206 BOOL WINAPI ShowWindow( HWND hwnd, INT cmd )
1207 {
1208     HWND full_handle;
1209
1210     if (is_broadcast(hwnd))
1211     {
1212         SetLastError( ERROR_INVALID_PARAMETER );
1213         return FALSE;
1214     }
1215     if ((full_handle = WIN_IsCurrentThread( hwnd )))
1216         return show_window( full_handle, cmd );
1217
1218     return SendMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
1219 }
1220
1221
1222 /***********************************************************************
1223  *              GetInternalWindowPos (USER32.@)
1224  */
1225 UINT WINAPI GetInternalWindowPos( HWND hwnd, LPRECT rectWnd,
1226                                       LPPOINT ptIcon )
1227 {
1228     WINDOWPLACEMENT wndpl;
1229     if (GetWindowPlacement( hwnd, &wndpl ))
1230     {
1231         if (rectWnd) *rectWnd = wndpl.rcNormalPosition;
1232         if (ptIcon)  *ptIcon = wndpl.ptMinPosition;
1233         return wndpl.showCmd;
1234     }
1235     return 0;
1236 }
1237
1238
1239 /***********************************************************************
1240  *              GetWindowPlacement (USER32.@)
1241  *
1242  * Win95:
1243  * Fails if wndpl->length of Win95 (!) apps is invalid.
1244  */
1245 BOOL WINAPI GetWindowPlacement( HWND hwnd, WINDOWPLACEMENT *wndpl )
1246 {
1247     WND *pWnd = WIN_GetPtr( hwnd );
1248     LPINTERNALPOS lpPos;
1249
1250     if (!pWnd || pWnd == WND_DESKTOP) return FALSE;
1251     if (pWnd == WND_OTHER_PROCESS)
1252     {
1253         if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
1254         return FALSE;
1255     }
1256
1257     lpPos = WINPOS_InitInternalPos( pWnd );
1258     wndpl->length  = sizeof(*wndpl);
1259     if( pWnd->dwStyle & WS_MINIMIZE )
1260         wndpl->showCmd = SW_SHOWMINIMIZED;
1261     else
1262         wndpl->showCmd = ( pWnd->dwStyle & WS_MAXIMIZE ) ? SW_SHOWMAXIMIZED : SW_SHOWNORMAL ;
1263     if( pWnd->flags & WIN_RESTORE_MAX )
1264         wndpl->flags = WPF_RESTORETOMAXIMIZED;
1265     else
1266         wndpl->flags = 0;
1267     wndpl->ptMinPosition.x = lpPos->ptIconPos.x;
1268     wndpl->ptMinPosition.y = lpPos->ptIconPos.y;
1269     wndpl->ptMaxPosition.x = lpPos->ptMaxPos.x;
1270     wndpl->ptMaxPosition.y = lpPos->ptMaxPos.y;
1271     wndpl->rcNormalPosition.left   = lpPos->rectNormal.left;
1272     wndpl->rcNormalPosition.top    = lpPos->rectNormal.top;
1273     wndpl->rcNormalPosition.right  = lpPos->rectNormal.right;
1274     wndpl->rcNormalPosition.bottom = lpPos->rectNormal.bottom;
1275     WIN_ReleasePtr( pWnd );
1276     return TRUE;
1277 }
1278
1279
1280 /***********************************************************************
1281  *           WINPOS_SetPlacement
1282  */
1283 static BOOL WINPOS_SetPlacement( HWND hwnd, const WINDOWPLACEMENT *wndpl, UINT flags )
1284 {
1285     LPINTERNALPOS lpPos;
1286     DWORD style;
1287     WND *pWnd = WIN_GetPtr( hwnd );
1288
1289     if (!pWnd || pWnd == WND_OTHER_PROCESS || pWnd == WND_DESKTOP) return FALSE;
1290     lpPos = WINPOS_InitInternalPos( pWnd );
1291
1292     if( flags & PLACE_MIN )
1293     {
1294         lpPos->ptIconPos.x = wndpl->ptMinPosition.x;
1295         lpPos->ptIconPos.y = wndpl->ptMinPosition.y;
1296     }
1297     if( flags & PLACE_MAX )
1298     {
1299         lpPos->ptMaxPos.x = wndpl->ptMaxPosition.x;
1300         lpPos->ptMaxPos.y = wndpl->ptMaxPosition.y;
1301     }
1302     if( flags & PLACE_RECT)
1303     {
1304         lpPos->rectNormal.left   = wndpl->rcNormalPosition.left;
1305         lpPos->rectNormal.top    = wndpl->rcNormalPosition.top;
1306         lpPos->rectNormal.right  = wndpl->rcNormalPosition.right;
1307         lpPos->rectNormal.bottom = wndpl->rcNormalPosition.bottom;
1308     }
1309
1310     style = pWnd->dwStyle;
1311     WIN_ReleasePtr( pWnd );
1312
1313     if( style & WS_MINIMIZE )
1314     {
1315         WINPOS_ShowIconTitle( hwnd, FALSE );
1316         if( wndpl->flags & WPF_SETMINPOSITION && !EMPTYPOINT(lpPos->ptIconPos))
1317             SetWindowPos( hwnd, 0, lpPos->ptIconPos.x, lpPos->ptIconPos.y,
1318                           0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
1319     }
1320     else if( style & WS_MAXIMIZE )
1321     {
1322         if( !EMPTYPOINT(lpPos->ptMaxPos) )
1323             SetWindowPos( hwnd, 0, lpPos->ptMaxPos.x, lpPos->ptMaxPos.y,
1324                           0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
1325     }
1326     else if( flags & PLACE_RECT )
1327         SetWindowPos( hwnd, 0, lpPos->rectNormal.left, lpPos->rectNormal.top,
1328                       lpPos->rectNormal.right - lpPos->rectNormal.left,
1329                       lpPos->rectNormal.bottom - lpPos->rectNormal.top,
1330                       SWP_NOZORDER | SWP_NOACTIVATE );
1331
1332     ShowWindow( hwnd, wndpl->showCmd );
1333
1334     if (IsIconic( hwnd ))
1335     {
1336         if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE) WINPOS_ShowIconTitle( hwnd, TRUE );
1337
1338         /* SDK: ...valid only the next time... */
1339         if( wndpl->flags & WPF_RESTORETOMAXIMIZED )
1340         {
1341             pWnd = WIN_GetPtr( hwnd );
1342             if (pWnd && pWnd != WND_OTHER_PROCESS)
1343             {
1344                 pWnd->flags |= WIN_RESTORE_MAX;
1345                 WIN_ReleasePtr( pWnd );
1346             }
1347         }
1348     }
1349     return TRUE;
1350 }
1351
1352
1353 /***********************************************************************
1354  *              SetWindowPlacement (USER32.@)
1355  *
1356  * Win95:
1357  * Fails if wndpl->length of Win95 (!) apps is invalid.
1358  */
1359 BOOL WINAPI SetWindowPlacement( HWND hwnd, const WINDOWPLACEMENT *wpl )
1360 {
1361     if (!wpl) return FALSE;
1362     return WINPOS_SetPlacement( hwnd, wpl, PLACE_MIN | PLACE_MAX | PLACE_RECT );
1363 }
1364
1365
1366 /***********************************************************************
1367  *              AnimateWindow (USER32.@)
1368  *              Shows/Hides a window with an animation
1369  *              NO ANIMATION YET
1370  */
1371 BOOL WINAPI AnimateWindow(HWND hwnd, DWORD dwTime, DWORD dwFlags)
1372 {
1373         FIXME("partial stub\n");
1374
1375         /* If trying to show/hide and it's already   *
1376          * shown/hidden or invalid window, fail with *
1377          * invalid parameter                         */
1378         if(!IsWindow(hwnd) ||
1379            (IsWindowVisible(hwnd) && !(dwFlags & AW_HIDE)) ||
1380            (!IsWindowVisible(hwnd) && (dwFlags & AW_HIDE)))
1381         {
1382                 SetLastError(ERROR_INVALID_PARAMETER);
1383                 return FALSE;
1384         }
1385
1386         ShowWindow(hwnd, (dwFlags & AW_HIDE) ? SW_HIDE : ((dwFlags & AW_ACTIVATE) ? SW_SHOW : SW_SHOWNA));
1387
1388         return TRUE;
1389 }
1390
1391 /***********************************************************************
1392  *              SetInternalWindowPos (USER32.@)
1393  */
1394 void WINAPI SetInternalWindowPos( HWND hwnd, UINT showCmd,
1395                                     LPRECT rect, LPPOINT pt )
1396 {
1397     if( IsWindow(hwnd) )
1398     {
1399         WINDOWPLACEMENT wndpl;
1400         UINT flags;
1401
1402         wndpl.length  = sizeof(wndpl);
1403         wndpl.showCmd = showCmd;
1404         wndpl.flags = flags = 0;
1405
1406         if( pt )
1407         {
1408             flags |= PLACE_MIN;
1409             wndpl.flags |= WPF_SETMINPOSITION;
1410             wndpl.ptMinPosition = *pt;
1411         }
1412         if( rect )
1413         {
1414             flags |= PLACE_RECT;
1415             wndpl.rcNormalPosition = *rect;
1416         }
1417         WINPOS_SetPlacement( hwnd, &wndpl, flags );
1418     }
1419 }
1420
1421
1422 /*******************************************************************
1423  *         can_activate_window
1424  *
1425  * Check if we can activate the specified window.
1426  */
1427 static BOOL can_activate_window( HWND hwnd )
1428 {
1429     LONG style;
1430
1431     if (!hwnd) return FALSE;
1432     style = GetWindowLongW( hwnd, GWL_STYLE );
1433     if (!(style & WS_VISIBLE)) return FALSE;
1434     if ((style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return FALSE;
1435     return !(style & WS_DISABLED);
1436 }
1437
1438
1439 /*******************************************************************
1440  *         WINPOS_ActivateOtherWindow
1441  *
1442  *  Activates window other than pWnd.
1443  */
1444 void WINPOS_ActivateOtherWindow(HWND hwnd)
1445 {
1446     HWND hwndTo, fg;
1447
1448     if ((GetWindowLongW( hwnd, GWL_STYLE ) & WS_POPUP) && (hwndTo = GetWindow( hwnd, GW_OWNER )))
1449     {
1450         hwndTo = GetAncestor( hwndTo, GA_ROOT );
1451         if (can_activate_window( hwndTo )) goto done;
1452     }
1453
1454     hwndTo = hwnd;
1455     for (;;)
1456     {
1457         if (!(hwndTo = GetWindow( hwndTo, GW_HWNDNEXT ))) break;
1458         if (can_activate_window( hwndTo )) break;
1459     }
1460
1461  done:
1462     fg = GetForegroundWindow();
1463     TRACE("win = %p fg = %p\n", hwndTo, fg);
1464     if (!fg || (hwnd == fg))
1465     {
1466         if (SetForegroundWindow( hwndTo )) return;
1467     }
1468     if (!SetActiveWindow( hwndTo )) SetActiveWindow(0);
1469 }
1470
1471
1472 /***********************************************************************
1473  *           WINPOS_HandleWindowPosChanging
1474  *
1475  * Default handling for a WM_WINDOWPOSCHANGING. Called from DefWindowProc().
1476  */
1477 LONG WINPOS_HandleWindowPosChanging( HWND hwnd, WINDOWPOS *winpos )
1478 {
1479     POINT minTrack, maxTrack;
1480     LONG style = GetWindowLongW( hwnd, GWL_STYLE );
1481
1482     if (winpos->flags & SWP_NOSIZE) return 0;
1483     if ((style & WS_THICKFRAME) || ((style & (WS_POPUP | WS_CHILD)) == 0))
1484     {
1485         WINPOS_GetMinMaxInfo( hwnd, NULL, NULL, &minTrack, &maxTrack );
1486         if (winpos->cx > maxTrack.x) winpos->cx = maxTrack.x;
1487         if (winpos->cy > maxTrack.y) winpos->cy = maxTrack.y;
1488         if (!(style & WS_MINIMIZE))
1489         {
1490             if (winpos->cx < minTrack.x ) winpos->cx = minTrack.x;
1491             if (winpos->cy < minTrack.y ) winpos->cy = minTrack.y;
1492         }
1493     }
1494     return 0;
1495 }
1496
1497
1498 /***********************************************************************
1499  *           dump_winpos_flags
1500  */
1501 static void dump_winpos_flags(UINT flags)
1502 {
1503     TRACE("flags:");
1504     if(flags & SWP_NOSIZE) TRACE(" SWP_NOSIZE");
1505     if(flags & SWP_NOMOVE) TRACE(" SWP_NOMOVE");
1506     if(flags & SWP_NOZORDER) TRACE(" SWP_NOZORDER");
1507     if(flags & SWP_NOREDRAW) TRACE(" SWP_NOREDRAW");
1508     if(flags & SWP_NOACTIVATE) TRACE(" SWP_NOACTIVATE");
1509     if(flags & SWP_FRAMECHANGED) TRACE(" SWP_FRAMECHANGED");
1510     if(flags & SWP_SHOWWINDOW) TRACE(" SWP_SHOWWINDOW");
1511     if(flags & SWP_HIDEWINDOW) TRACE(" SWP_HIDEWINDOW");
1512     if(flags & SWP_NOCOPYBITS) TRACE(" SWP_NOCOPYBITS");
1513     if(flags & SWP_NOOWNERZORDER) TRACE(" SWP_NOOWNERZORDER");
1514     if(flags & SWP_NOSENDCHANGING) TRACE(" SWP_NOSENDCHANGING");
1515     if(flags & SWP_DEFERERASE) TRACE(" SWP_DEFERERASE");
1516     if(flags & SWP_ASYNCWINDOWPOS) TRACE(" SWP_ASYNCWINDOWPOS");
1517
1518 #define DUMPED_FLAGS \
1519     (SWP_NOSIZE | \
1520     SWP_NOMOVE | \
1521     SWP_NOZORDER | \
1522     SWP_NOREDRAW | \
1523     SWP_NOACTIVATE | \
1524     SWP_FRAMECHANGED | \
1525     SWP_SHOWWINDOW | \
1526     SWP_HIDEWINDOW | \
1527     SWP_NOCOPYBITS | \
1528     SWP_NOOWNERZORDER | \
1529     SWP_NOSENDCHANGING | \
1530     SWP_DEFERERASE | \
1531     SWP_ASYNCWINDOWPOS)
1532
1533     if(flags & ~DUMPED_FLAGS) TRACE(" %08x", flags & ~DUMPED_FLAGS);
1534     TRACE("\n");
1535 #undef DUMPED_FLAGS
1536 }
1537
1538 /***********************************************************************
1539  *           SWP_DoWinPosChanging
1540  */
1541 static BOOL SWP_DoWinPosChanging( WINDOWPOS* pWinpos, RECT* pNewWindowRect, RECT* pNewClientRect )
1542 {
1543     WND *wndPtr;
1544
1545     /* Send WM_WINDOWPOSCHANGING message */
1546
1547     if (!(pWinpos->flags & SWP_NOSENDCHANGING))
1548         SendMessageW( pWinpos->hwnd, WM_WINDOWPOSCHANGING, 0, (LPARAM)pWinpos );
1549
1550     if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) ||
1551         wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
1552
1553     /* Calculate new position and size */
1554
1555     *pNewWindowRect = wndPtr->rectWindow;
1556     *pNewClientRect = (wndPtr->dwStyle & WS_MINIMIZE) ? wndPtr->rectWindow
1557                                                     : wndPtr->rectClient;
1558
1559     if (!(pWinpos->flags & SWP_NOSIZE))
1560     {
1561         pNewWindowRect->right  = pNewWindowRect->left + pWinpos->cx;
1562         pNewWindowRect->bottom = pNewWindowRect->top + pWinpos->cy;
1563     }
1564     if (!(pWinpos->flags & SWP_NOMOVE))
1565     {
1566         pNewWindowRect->left    = pWinpos->x;
1567         pNewWindowRect->top     = pWinpos->y;
1568         pNewWindowRect->right  += pWinpos->x - wndPtr->rectWindow.left;
1569         pNewWindowRect->bottom += pWinpos->y - wndPtr->rectWindow.top;
1570
1571         OffsetRect( pNewClientRect, pWinpos->x - wndPtr->rectWindow.left,
1572                                     pWinpos->y - wndPtr->rectWindow.top );
1573     }
1574     pWinpos->flags |= SWP_NOCLIENTMOVE | SWP_NOCLIENTSIZE;
1575
1576     TRACE( "hwnd %p, after %p, swp %d,%d %dx%d flags %08x\n",
1577            pWinpos->hwnd, pWinpos->hwndInsertAfter, pWinpos->x, pWinpos->y,
1578            pWinpos->cx, pWinpos->cy, pWinpos->flags );
1579     TRACE( "current %s style %08x new %s\n",
1580            wine_dbgstr_rect( &wndPtr->rectWindow ), wndPtr->dwStyle,
1581            wine_dbgstr_rect( pNewWindowRect ));
1582
1583     WIN_ReleasePtr( wndPtr );
1584     return TRUE;
1585 }
1586
1587 /***********************************************************************
1588  *           get_valid_rects
1589  *
1590  * Compute the valid rects from the old and new client rect and WVR_* flags.
1591  * Helper for WM_NCCALCSIZE handling.
1592  */
1593 static inline void get_valid_rects( const RECT *old_client, const RECT *new_client, UINT flags,
1594                                     RECT *valid )
1595 {
1596     int cx, cy;
1597
1598     if (flags & WVR_REDRAW)
1599     {
1600         SetRectEmpty( &valid[0] );
1601         SetRectEmpty( &valid[1] );
1602         return;
1603     }
1604
1605     if (flags & WVR_VALIDRECTS)
1606     {
1607         if (!IntersectRect( &valid[0], &valid[0], new_client ) ||
1608             !IntersectRect( &valid[1], &valid[1], old_client ))
1609         {
1610             SetRectEmpty( &valid[0] );
1611             SetRectEmpty( &valid[1] );
1612             return;
1613         }
1614         flags = WVR_ALIGNLEFT | WVR_ALIGNTOP;
1615     }
1616     else
1617     {
1618         valid[0] = *new_client;
1619         valid[1] = *old_client;
1620     }
1621
1622     /* make sure the rectangles have the same size */
1623     cx = min( valid[0].right - valid[0].left, valid[1].right - valid[1].left );
1624     cy = min( valid[0].bottom - valid[0].top, valid[1].bottom - valid[1].top );
1625
1626     if (flags & WVR_ALIGNBOTTOM)
1627     {
1628         valid[0].top = valid[0].bottom - cy;
1629         valid[1].top = valid[1].bottom - cy;
1630     }
1631     else
1632     {
1633         valid[0].bottom = valid[0].top + cy;
1634         valid[1].bottom = valid[1].top + cy;
1635     }
1636     if (flags & WVR_ALIGNRIGHT)
1637     {
1638         valid[0].left = valid[0].right - cx;
1639         valid[1].left = valid[1].right - cx;
1640     }
1641     else
1642     {
1643         valid[0].right = valid[0].left + cx;
1644         valid[1].right = valid[1].left + cx;
1645     }
1646 }
1647
1648
1649 /***********************************************************************
1650  *           SWP_DoOwnedPopups
1651  *
1652  * fix Z order taking into account owned popups -
1653  * basically we need to maintain them above the window that owns them
1654  *
1655  * FIXME: hide/show owned popups when owner visibility changes.
1656  */
1657 static HWND SWP_DoOwnedPopups(HWND hwnd, HWND hwndInsertAfter)
1658 {
1659     LONG style = GetWindowLongW( hwnd, GWL_STYLE );
1660     HWND owner, *list = NULL;
1661     unsigned int i;
1662
1663     TRACE("(%p) hInsertAfter = %p\n", hwnd, hwndInsertAfter );
1664
1665     if ((style & WS_POPUP) && (owner = GetWindow( hwnd, GW_OWNER )))
1666     {
1667         /* make sure this popup stays above the owner */
1668
1669         if (hwndInsertAfter != HWND_TOP && hwndInsertAfter != HWND_TOPMOST)
1670         {
1671             if (!(list = WIN_ListChildren( GetDesktopWindow() ))) return hwndInsertAfter;
1672
1673             for (i = 0; list[i]; i++)
1674             {
1675                 if (list[i] == owner)
1676                 {
1677                     if (i > 0) hwndInsertAfter = list[i-1];
1678                     else hwndInsertAfter = HWND_TOP;
1679                     break;
1680                 }
1681
1682                 if (hwndInsertAfter == HWND_NOTOPMOST)
1683                 {
1684                     if (!(GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TOPMOST)) break;
1685                 }
1686                 else if (list[i] == hwndInsertAfter) break;
1687             }
1688         }
1689     }
1690     else if (style & WS_CHILD) return hwndInsertAfter;
1691
1692     if (hwndInsertAfter == HWND_BOTTOM) goto done;
1693     if (!list && !(list = WIN_ListChildren( GetDesktopWindow() ))) goto done;
1694
1695     i = 0;
1696     if (hwndInsertAfter == HWND_TOP || hwndInsertAfter == HWND_NOTOPMOST)
1697     {
1698         if (hwndInsertAfter == HWND_NOTOPMOST || !(GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_TOPMOST))
1699         {
1700             /* skip all the topmost windows */
1701             while (list[i] && (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TOPMOST)) i++;
1702         }
1703     }
1704     else if (hwndInsertAfter != HWND_TOPMOST)
1705     {
1706         /* skip windows that are already placed correctly */
1707         for (i = 0; list[i]; i++)
1708         {
1709             if (list[i] == hwndInsertAfter) break;
1710             if (list[i] == hwnd) goto done;  /* nothing to do if window is moving backwards in z-order */
1711         }
1712     }
1713
1714     for ( ; list[i]; i++)
1715     {
1716         if (list[i] == hwnd) break;
1717         if (!(GetWindowLongW( list[i], GWL_STYLE ) & WS_POPUP)) continue;
1718         if (GetWindow( list[i], GW_OWNER ) != hwnd) continue;
1719         TRACE( "moving %p owned by %p after %p\n", list[i], hwnd, hwndInsertAfter );
1720         SetWindowPos( list[i], hwndInsertAfter, 0, 0, 0, 0,
1721                       SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE | SWP_NOSENDCHANGING | SWP_DEFERERASE );
1722         hwndInsertAfter = list[i];
1723     }
1724
1725 done:
1726     HeapFree( GetProcessHeap(), 0, list );
1727     return hwndInsertAfter;
1728 }
1729
1730 /***********************************************************************
1731  *           SWP_DoNCCalcSize
1732  */
1733 static UINT SWP_DoNCCalcSize( WINDOWPOS* pWinpos, const RECT* pNewWindowRect, RECT* pNewClientRect,
1734                               RECT *validRects )
1735 {
1736     UINT wvrFlags = 0;
1737     WND *wndPtr;
1738
1739     if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
1740
1741       /* Send WM_NCCALCSIZE message to get new client area */
1742     if( (pWinpos->flags & (SWP_FRAMECHANGED | SWP_NOSIZE)) != SWP_NOSIZE )
1743     {
1744         NCCALCSIZE_PARAMS params;
1745         WINDOWPOS winposCopy;
1746
1747         params.rgrc[0] = *pNewWindowRect;
1748         params.rgrc[1] = wndPtr->rectWindow;
1749         params.rgrc[2] = wndPtr->rectClient;
1750         params.lppos = &winposCopy;
1751         winposCopy = *pWinpos;
1752         WIN_ReleasePtr( wndPtr );
1753
1754         wvrFlags = SendMessageW( pWinpos->hwnd, WM_NCCALCSIZE, TRUE, (LPARAM)&params );
1755
1756         *pNewClientRect = params.rgrc[0];
1757
1758         if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
1759
1760         TRACE( "hwnd %p old win %s old client %s new win %s new client %s\n", pWinpos->hwnd,
1761                wine_dbgstr_rect(&wndPtr->rectWindow), wine_dbgstr_rect(&wndPtr->rectClient),
1762                wine_dbgstr_rect(pNewWindowRect), wine_dbgstr_rect(pNewClientRect) );
1763
1764         if( pNewClientRect->left != wndPtr->rectClient.left ||
1765             pNewClientRect->top != wndPtr->rectClient.top )
1766             pWinpos->flags &= ~SWP_NOCLIENTMOVE;
1767
1768         if( (pNewClientRect->right - pNewClientRect->left !=
1769              wndPtr->rectClient.right - wndPtr->rectClient.left))
1770             pWinpos->flags &= ~SWP_NOCLIENTSIZE;
1771         else
1772             wvrFlags &= ~WVR_HREDRAW;
1773
1774         if (pNewClientRect->bottom - pNewClientRect->top !=
1775              wndPtr->rectClient.bottom - wndPtr->rectClient.top)
1776             pWinpos->flags &= ~SWP_NOCLIENTSIZE;
1777         else
1778             wvrFlags &= ~WVR_VREDRAW;
1779
1780         validRects[0] = params.rgrc[1];
1781         validRects[1] = params.rgrc[2];
1782     }
1783     else
1784     {
1785         if (!(pWinpos->flags & SWP_NOMOVE) &&
1786             (pNewClientRect->left != wndPtr->rectClient.left ||
1787              pNewClientRect->top != wndPtr->rectClient.top))
1788             pWinpos->flags &= ~SWP_NOCLIENTMOVE;
1789     }
1790
1791     if (pWinpos->flags & (SWP_NOCOPYBITS | SWP_NOREDRAW | SWP_SHOWWINDOW | SWP_HIDEWINDOW))
1792     {
1793         SetRectEmpty( &validRects[0] );
1794         SetRectEmpty( &validRects[1] );
1795     }
1796     else get_valid_rects( &wndPtr->rectClient, pNewClientRect, wvrFlags, validRects );
1797
1798     WIN_ReleasePtr( wndPtr );
1799     return wvrFlags;
1800 }
1801
1802 /* fix redundant flags and values in the WINDOWPOS structure */
1803 static BOOL fixup_flags( WINDOWPOS *winpos )
1804 {
1805     HWND parent;
1806     WND *wndPtr = WIN_GetPtr( winpos->hwnd );
1807     BOOL ret = TRUE;
1808
1809     if (!wndPtr || wndPtr == WND_OTHER_PROCESS)
1810     {
1811         SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1812         return FALSE;
1813     }
1814     winpos->hwnd = wndPtr->hwndSelf;  /* make it a full handle */
1815
1816     /* Finally make sure that all coordinates are valid */
1817     if (winpos->x < -32768) winpos->x = -32768;
1818     else if (winpos->x > 32767) winpos->x = 32767;
1819     if (winpos->y < -32768) winpos->y = -32768;
1820     else if (winpos->y > 32767) winpos->y = 32767;
1821
1822     if (winpos->cx < 0) winpos->cx = 0;
1823     else if (winpos->cx > 32767) winpos->cx = 32767;
1824     if (winpos->cy < 0) winpos->cy = 0;
1825     else if (winpos->cy > 32767) winpos->cy = 32767;
1826
1827     parent = GetAncestor( winpos->hwnd, GA_PARENT );
1828     if (!IsWindowVisible( parent )) winpos->flags |= SWP_NOREDRAW;
1829
1830     if (wndPtr->dwStyle & WS_VISIBLE) winpos->flags &= ~SWP_SHOWWINDOW;
1831     else
1832     {
1833         winpos->flags &= ~SWP_HIDEWINDOW;
1834         if (!(winpos->flags & SWP_SHOWWINDOW)) winpos->flags |= SWP_NOREDRAW;
1835     }
1836
1837     if ((wndPtr->rectWindow.right - wndPtr->rectWindow.left == winpos->cx) &&
1838         (wndPtr->rectWindow.bottom - wndPtr->rectWindow.top == winpos->cy))
1839         winpos->flags |= SWP_NOSIZE;    /* Already the right size */
1840
1841     if ((wndPtr->rectWindow.left == winpos->x) && (wndPtr->rectWindow.top == winpos->y))
1842         winpos->flags |= SWP_NOMOVE;    /* Already the right position */
1843
1844     if ((wndPtr->dwStyle & (WS_POPUP | WS_CHILD)) != WS_CHILD)
1845     {
1846         if (!(winpos->flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW)) && /* Bring to the top when activating */
1847             (winpos->flags & SWP_NOZORDER ||
1848              (winpos->hwndInsertAfter != HWND_TOPMOST && winpos->hwndInsertAfter != HWND_NOTOPMOST)))
1849         {
1850             winpos->flags &= ~SWP_NOZORDER;
1851             winpos->hwndInsertAfter = HWND_TOP;
1852         }
1853     }
1854
1855     /* Check hwndInsertAfter */
1856     if (winpos->flags & SWP_NOZORDER) goto done;
1857
1858     /* fix sign extension */
1859     if (winpos->hwndInsertAfter == (HWND)0xffff) winpos->hwndInsertAfter = HWND_TOPMOST;
1860     else if (winpos->hwndInsertAfter == (HWND)0xfffe) winpos->hwndInsertAfter = HWND_NOTOPMOST;
1861
1862     /* hwndInsertAfter must be a sibling of the window */
1863     if (winpos->hwndInsertAfter == HWND_TOP)
1864     {
1865         if (GetWindow(winpos->hwnd, GW_HWNDFIRST) == winpos->hwnd)
1866             winpos->flags |= SWP_NOZORDER;
1867     }
1868     else if (winpos->hwndInsertAfter == HWND_BOTTOM)
1869     {
1870         if (!(wndPtr->dwExStyle & WS_EX_TOPMOST) && GetWindow(winpos->hwnd, GW_HWNDLAST) == winpos->hwnd)
1871             winpos->flags |= SWP_NOZORDER;
1872     }
1873     else if (winpos->hwndInsertAfter == HWND_TOPMOST)
1874     {
1875         if ((wndPtr->dwExStyle & WS_EX_TOPMOST) && GetWindow(winpos->hwnd, GW_HWNDFIRST) == winpos->hwnd)
1876             winpos->flags |= SWP_NOZORDER;
1877     }
1878     else if (winpos->hwndInsertAfter == HWND_NOTOPMOST)
1879     {
1880         if (!(wndPtr->dwExStyle & WS_EX_TOPMOST))
1881             winpos->flags |= SWP_NOZORDER;
1882     }
1883     else
1884     {
1885         if (GetAncestor( winpos->hwndInsertAfter, GA_PARENT ) != parent) ret = FALSE;
1886         else
1887         {
1888             /* don't need to change the Zorder of hwnd if it's already inserted
1889              * after hwndInsertAfter or when inserting hwnd after itself.
1890              */
1891             if ((winpos->hwnd == winpos->hwndInsertAfter) ||
1892                 (winpos->hwnd == GetWindow( winpos->hwndInsertAfter, GW_HWNDNEXT )))
1893                 winpos->flags |= SWP_NOZORDER;
1894         }
1895     }
1896  done:
1897     WIN_ReleasePtr( wndPtr );
1898     return ret;
1899 }
1900
1901
1902 /***********************************************************************
1903  *              set_window_pos
1904  *
1905  * Backend implementation of SetWindowPos.
1906  */
1907 BOOL set_window_pos( HWND hwnd, HWND insert_after, UINT swp_flags,
1908                      const RECT *window_rect, const RECT *client_rect, const RECT *valid_rects )
1909 {
1910     WND *win;
1911     BOOL ret;
1912     RECT visible_rect, old_window_rect;
1913     DWORD new_style;
1914
1915     if (!(win = WIN_GetPtr( hwnd ))) return FALSE;
1916     if (win == WND_DESKTOP || win == WND_OTHER_PROCESS) return FALSE;
1917
1918     old_window_rect = win->rectWindow;
1919     SERVER_START_REQ( set_window_pos )
1920     {
1921         req->handle        = hwnd;
1922         req->previous      = insert_after;
1923         req->flags         = swp_flags;
1924         req->window.left   = window_rect->left;
1925         req->window.top    = window_rect->top;
1926         req->window.right  = window_rect->right;
1927         req->window.bottom = window_rect->bottom;
1928         req->client.left   = client_rect->left;
1929         req->client.top    = client_rect->top;
1930         req->client.right  = client_rect->right;
1931         req->client.bottom = client_rect->bottom;
1932         if (!IsRectEmpty( &valid_rects[0] ))
1933             wine_server_add_data( req, valid_rects, 2 * sizeof(*valid_rects) );
1934         if ((ret = !wine_server_call( req )))
1935         {
1936             win->dwStyle    = reply->new_style;
1937             win->dwExStyle  = reply->new_ex_style;
1938             win->rectWindow = *window_rect;
1939             win->rectClient = *client_rect;
1940             visible_rect.left   = reply->visible.left;
1941             visible_rect.top    = reply->visible.top;
1942             visible_rect.right  = reply->visible.right;
1943             visible_rect.bottom = reply->visible.bottom;
1944         }
1945     }
1946     SERVER_END_REQ;
1947     new_style = win->dwStyle;
1948     WIN_ReleasePtr( win );
1949
1950     if (ret)
1951     {
1952         USER_Driver->pSetWindowPos( hwnd, insert_after, swp_flags, window_rect,
1953                                     client_rect, &visible_rect, valid_rects );
1954
1955         if ((((swp_flags & SWP_AGG_NOPOSCHANGE) != SWP_AGG_NOPOSCHANGE) && (new_style & WS_VISIBLE)) ||
1956             (swp_flags & (SWP_HIDEWINDOW | SWP_SHOWWINDOW)))
1957             invalidate_dce( hwnd, &old_window_rect );
1958     }
1959     return ret;
1960 }
1961
1962
1963 /***********************************************************************
1964  *              USER_SetWindowPos
1965  *
1966  *     User32 internal function
1967  */
1968 BOOL USER_SetWindowPos( WINDOWPOS * winpos )
1969 {
1970     RECT newWindowRect, newClientRect, valid_rects[2];
1971     UINT orig_flags;
1972
1973     orig_flags = winpos->flags;
1974
1975     /* First make sure that coordinates are valid for WM_WINDOWPOSCHANGING */
1976     if (!(winpos->flags & SWP_NOMOVE))
1977     {
1978         if (winpos->x < -32768) winpos->x = -32768;
1979         else if (winpos->x > 32767) winpos->x = 32767;
1980         if (winpos->y < -32768) winpos->y = -32768;
1981         else if (winpos->y > 32767) winpos->y = 32767;
1982     }
1983     if (!(winpos->flags & SWP_NOSIZE))
1984     {
1985         if (winpos->cx < 0) winpos->cx = 0;
1986         else if (winpos->cx > 32767) winpos->cx = 32767;
1987         if (winpos->cy < 0) winpos->cy = 0;
1988         else if (winpos->cy > 32767) winpos->cy = 32767;
1989     }
1990
1991     if (!SWP_DoWinPosChanging( winpos, &newWindowRect, &newClientRect )) return FALSE;
1992
1993     /* Fix redundant flags */
1994     if (!fixup_flags( winpos )) return FALSE;
1995
1996     if((winpos->flags & (SWP_NOZORDER | SWP_HIDEWINDOW | SWP_SHOWWINDOW)) != SWP_NOZORDER)
1997     {
1998         if (GetAncestor( winpos->hwnd, GA_PARENT ) == GetDesktopWindow())
1999             winpos->hwndInsertAfter = SWP_DoOwnedPopups( winpos->hwnd, winpos->hwndInsertAfter );
2000     }
2001
2002     /* Common operations */
2003
2004     SWP_DoNCCalcSize( winpos, &newWindowRect, &newClientRect, valid_rects );
2005
2006     if (!set_window_pos( winpos->hwnd, winpos->hwndInsertAfter, winpos->flags,
2007                          &newWindowRect, &newClientRect, valid_rects ))
2008         return FALSE;
2009
2010     /* erase parent when hiding or resizing child */
2011     if (!(orig_flags & SWP_DEFERERASE) &&
2012         ((orig_flags & SWP_HIDEWINDOW) ||
2013          (!(orig_flags & SWP_SHOWWINDOW) &&
2014           (winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOGEOMETRYCHANGE)))
2015     {
2016         HWND parent = GetAncestor( winpos->hwnd, GA_PARENT );
2017         if (!parent || parent == GetDesktopWindow()) parent = winpos->hwnd;
2018         erase_now( parent, 0 );
2019     }
2020
2021     if( winpos->flags & SWP_HIDEWINDOW )
2022         HideCaret(winpos->hwnd);
2023     else if (winpos->flags & SWP_SHOWWINDOW)
2024         ShowCaret(winpos->hwnd);
2025
2026     if (!(winpos->flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW)))
2027     {
2028         /* child windows get WM_CHILDACTIVATE message */
2029         if ((GetWindowLongW( winpos->hwnd, GWL_STYLE ) & (WS_CHILD | WS_POPUP)) == WS_CHILD)
2030             SendMessageW( winpos->hwnd, WM_CHILDACTIVATE, 0, 0 );
2031         else
2032             SetForegroundWindow( winpos->hwnd );
2033     }
2034
2035       /* And last, send the WM_WINDOWPOSCHANGED message */
2036
2037     TRACE("\tstatus flags = %04x\n", winpos->flags & SWP_AGG_STATUSFLAGS);
2038
2039     if (((winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOPOSCHANGE))
2040     {
2041         /* WM_WINDOWPOSCHANGED is sent even if SWP_NOSENDCHANGING is set
2042            and always contains final window position.
2043          */
2044         winpos->x = newWindowRect.left;
2045         winpos->y = newWindowRect.top;
2046         winpos->cx = newWindowRect.right - newWindowRect.left;
2047         winpos->cy = newWindowRect.bottom - newWindowRect.top;
2048         SendMessageW( winpos->hwnd, WM_WINDOWPOSCHANGED, 0, (LPARAM)winpos );
2049     }
2050     return TRUE;
2051 }
2052
2053 /***********************************************************************
2054  *              SetWindowPos (USER32.@)
2055  */
2056 BOOL WINAPI SetWindowPos( HWND hwnd, HWND hwndInsertAfter,
2057                           INT x, INT y, INT cx, INT cy, UINT flags )
2058 {
2059     WINDOWPOS winpos;
2060
2061     TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
2062           hwnd, hwndInsertAfter, x, y, cx, cy, flags);
2063     if(TRACE_ON(win)) dump_winpos_flags(flags);
2064
2065     if (is_broadcast(hwnd))
2066     {
2067         SetLastError( ERROR_INVALID_PARAMETER );
2068         return FALSE;
2069     }
2070
2071     winpos.hwnd = WIN_GetFullHandle(hwnd);
2072     winpos.hwndInsertAfter = WIN_GetFullHandle(hwndInsertAfter);
2073     winpos.x = x;
2074     winpos.y = y;
2075     winpos.cx = cx;
2076     winpos.cy = cy;
2077     winpos.flags = flags;
2078
2079     if (WIN_IsCurrentThread( hwnd ))
2080         return USER_SetWindowPos(&winpos);
2081
2082     return SendMessageW( winpos.hwnd, WM_WINE_SETWINDOWPOS, 0, (LPARAM)&winpos );
2083 }
2084
2085
2086 /***********************************************************************
2087  *              BeginDeferWindowPos (USER32.@)
2088  */
2089 HDWP WINAPI BeginDeferWindowPos( INT count )
2090 {
2091     HDWP handle;
2092     DWP *pDWP;
2093
2094     TRACE("%d\n", count);
2095
2096     if (count < 0)
2097     {
2098         SetLastError(ERROR_INVALID_PARAMETER);
2099         return 0;
2100     }
2101     /* Windows allows zero count, in which case it allocates context for 8 moves */
2102     if (count == 0) count = 8;
2103
2104     handle = USER_HEAP_ALLOC( sizeof(DWP) + (count-1)*sizeof(WINDOWPOS) );
2105     if (!handle) return 0;
2106     pDWP = (DWP *) USER_HEAP_LIN_ADDR( handle );
2107     pDWP->actualCount    = 0;
2108     pDWP->suggestedCount = count;
2109     pDWP->valid          = TRUE;
2110     pDWP->wMagic         = DWP_MAGIC;
2111     pDWP->hwndParent     = 0;
2112
2113     TRACE("returning hdwp %p\n", handle);
2114     return handle;
2115 }
2116
2117
2118 /***********************************************************************
2119  *              DeferWindowPos (USER32.@)
2120  */
2121 HDWP WINAPI DeferWindowPos( HDWP hdwp, HWND hwnd, HWND hwndAfter,
2122                                 INT x, INT y, INT cx, INT cy,
2123                                 UINT flags )
2124 {
2125     DWP *pDWP;
2126     int i;
2127     HDWP newhdwp = hdwp,retvalue;
2128
2129     TRACE("hdwp %p, hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
2130           hdwp, hwnd, hwndAfter, x, y, cx, cy, flags);
2131
2132     hwnd = WIN_GetFullHandle( hwnd );
2133     if (hwnd == GetDesktopWindow()) return 0;
2134
2135     if (!(pDWP = USER_HEAP_LIN_ADDR( hdwp ))) return 0;
2136
2137     USER_Lock();
2138
2139     for (i = 0; i < pDWP->actualCount; i++)
2140     {
2141         if (pDWP->winPos[i].hwnd == hwnd)
2142         {
2143               /* Merge with the other changes */
2144             if (!(flags & SWP_NOZORDER))
2145             {
2146                 pDWP->winPos[i].hwndInsertAfter = WIN_GetFullHandle(hwndAfter);
2147             }
2148             if (!(flags & SWP_NOMOVE))
2149             {
2150                 pDWP->winPos[i].x = x;
2151                 pDWP->winPos[i].y = y;
2152             }
2153             if (!(flags & SWP_NOSIZE))
2154             {
2155                 pDWP->winPos[i].cx = cx;
2156                 pDWP->winPos[i].cy = cy;
2157             }
2158             pDWP->winPos[i].flags &= flags | ~(SWP_NOSIZE | SWP_NOMOVE |
2159                                                SWP_NOZORDER | SWP_NOREDRAW |
2160                                                SWP_NOACTIVATE | SWP_NOCOPYBITS|
2161                                                SWP_NOOWNERZORDER);
2162             pDWP->winPos[i].flags |= flags & (SWP_SHOWWINDOW | SWP_HIDEWINDOW |
2163                                               SWP_FRAMECHANGED);
2164             retvalue = hdwp;
2165             goto END;
2166         }
2167     }
2168     if (pDWP->actualCount >= pDWP->suggestedCount)
2169     {
2170         newhdwp = USER_HEAP_REALLOC( hdwp,
2171                       sizeof(DWP) + pDWP->suggestedCount*sizeof(WINDOWPOS) );
2172         if (!newhdwp)
2173         {
2174             retvalue = 0;
2175             goto END;
2176         }
2177         pDWP = (DWP *) USER_HEAP_LIN_ADDR( newhdwp );
2178         pDWP->suggestedCount++;
2179     }
2180     pDWP->winPos[pDWP->actualCount].hwnd = hwnd;
2181     pDWP->winPos[pDWP->actualCount].hwndInsertAfter = hwndAfter;
2182     pDWP->winPos[pDWP->actualCount].x = x;
2183     pDWP->winPos[pDWP->actualCount].y = y;
2184     pDWP->winPos[pDWP->actualCount].cx = cx;
2185     pDWP->winPos[pDWP->actualCount].cy = cy;
2186     pDWP->winPos[pDWP->actualCount].flags = flags;
2187     pDWP->actualCount++;
2188     retvalue = newhdwp;
2189 END:
2190     USER_Unlock();
2191     return retvalue;
2192 }
2193
2194
2195 /***********************************************************************
2196  *              EndDeferWindowPos (USER32.@)
2197  */
2198 BOOL WINAPI EndDeferWindowPos( HDWP hdwp )
2199 {
2200     DWP *pDWP;
2201     WINDOWPOS *winpos;
2202     BOOL res = TRUE;
2203     int i;
2204
2205     TRACE("%p\n", hdwp);
2206
2207     pDWP = (DWP *) USER_HEAP_LIN_ADDR( hdwp );
2208     if (!pDWP) return FALSE;
2209     for (i = 0, winpos = pDWP->winPos; i < pDWP->actualCount; i++, winpos++)
2210     {
2211         TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
2212                winpos->hwnd, winpos->hwndInsertAfter, winpos->x, winpos->y,
2213                winpos->cx, winpos->cy, winpos->flags);
2214
2215         if (!(res = USER_SetWindowPos( winpos ))) break;
2216     }
2217     USER_HEAP_FREE( hdwp );
2218     return res;
2219 }
2220
2221
2222 /***********************************************************************
2223  *              TileChildWindows (USER.199)
2224  */
2225 void WINAPI TileChildWindows16( HWND16 parent, WORD action )
2226 {
2227     FIXME("(%04x, %d): stub\n", parent, action);
2228 }
2229
2230 /***********************************************************************
2231  *              CascadeChildWindows (USER.198)
2232  */
2233 void WINAPI CascadeChildWindows16( HWND16 parent, WORD action )
2234 {
2235     FIXME("(%04x, %d): stub\n", parent, action);
2236 }