windows/winpos.c

   1 /*
   2  * Window position related functions.
   3  *
   4  * Copyright 1993, 1994, 1995 Alexandre Julliard
   5  *                       1995, 1996, 1999 Alex Korobka
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 #include "config.h"
  23 #include "wine/port.h"
  24
  25 #include <stdarg.h>
  26 #include <string.h>
  27 #include "winerror.h"
  28 #include "windef.h"
  29 #include "winbase.h"
  30 #include "wingdi.h"
  31 #include "winerror.h"
  32 #include "wine/winuser16.h"
  33 #include "wine/server.h"
  34 #include "controls.h"
  35 #include "user.h"
  36 #include "win.h"
  37 #include "message.h"
  38 #include "winpos.h"
  39 #include "nonclient.h"
  40 #include "wine/debug.h"
  41
  42 WINE_DEFAULT_DEBUG_CHANNEL(win);
  43
  44 #define HAS_DLGFRAME(style,exStyle) \
  45     (((exStyle) & WS_EX_DLGMODALFRAME) || \
  46      (((style) & WS_DLGFRAME) && !((style) & WS_BORDER)))
  47
  48 #define HAS_THICKFRAME(style) \
  49     (((style) & WS_THICKFRAME) && \
  50      !(((style) & (WS_DLGFRAME|WS_BORDER)) == WS_DLGFRAME))
  51
  52 #define EMPTYPOINT(pt)          ((*(LONG*)&(pt)) == -1)
  53
  54 #define PLACE_MIN               0x0001
  55 #define PLACE_MAX               0x0002
  56 #define PLACE_RECT              0x0004
  57
  58
  59 #define DWP_MAGIC  ((INT)('W' | ('P' << 8) | ('O' << 16) | ('S' << 24)))
  60
  61 typedef struct
  62 {
  63     INT       actualCount;
  64     INT       suggestedCount;
  65     BOOL      valid;
  66     INT       wMagic;
  67     HWND      hwndParent;
  68     WINDOWPOS winPos[1];
  69 } DWP;
  70
  71 /* ----- internal variables ----- */
  72
  73 static LPCSTR atomInternalPos;
  74
  75
  76 /***********************************************************************
  77  *           WINPOS_CreateInternalPosAtom
  78  */
  79 BOOL WINPOS_CreateInternalPosAtom()
  80 {
  81     LPCSTR str = "SysIP";
  82     atomInternalPos = (LPCSTR)(DWORD)GlobalAddAtomA(str);
  83     return (atomInternalPos) ? TRUE : FALSE;
  84 }
  85
  86 /***********************************************************************
  87  *           WINPOS_CheckInternalPos
  88  *
  89  * Called when a window is destroyed.
  90  */
  91 void WINPOS_CheckInternalPos( HWND hwnd )
  92 {
  93     LPINTERNALPOS lpPos = (LPINTERNALPOS) GetPropA( hwnd, atomInternalPos );
  94
  95     if( lpPos )
  96     {
  97         if( IsWindow(lpPos->hwndIconTitle) )
  98             DestroyWindow( lpPos->hwndIconTitle );
  99         HeapFree( GetProcessHeap(), 0, lpPos );
 100     }
 101 }
 102
 103 /***********************************************************************
 104  *              ArrangeIconicWindows (USER32.@)
 105  */
 106 UINT WINAPI ArrangeIconicWindows( HWND parent )
 107 {
 108     RECT rectParent;
 109     HWND hwndChild;
 110     INT x, y, xspacing, yspacing;
 111
 112     GetClientRect( parent, &rectParent );
 113     x = rectParent.left;
 114     y = rectParent.bottom;
 115     xspacing = GetSystemMetrics(SM_CXICONSPACING);
 116     yspacing = GetSystemMetrics(SM_CYICONSPACING);
 117
 118     hwndChild = GetWindow( parent, GW_CHILD );
 119     while (hwndChild)
 120     {
 121         if( IsIconic( hwndChild ) )
 122         {
 123             WINPOS_ShowIconTitle( hwndChild, FALSE );
 124
 125             SetWindowPos( hwndChild, 0, x + (xspacing - GetSystemMetrics(SM_CXICON)) / 2,
 126                             y - yspacing - GetSystemMetrics(SM_CYICON)/2, 0, 0,
 127                             SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
 128             if( IsWindow(hwndChild) )
 129                 WINPOS_ShowIconTitle(hwndChild , TRUE );
 130
 131             if (x <= rectParent.right - xspacing) x += xspacing;
 132             else
 133             {
 134                 x = rectParent.left;
 135                 y -= yspacing;
 136             }
 137         }
 138         hwndChild = GetWindow( hwndChild, GW_HWNDNEXT );
 139     }
 140     return yspacing;
 141 }
 142
 143
 144 /***********************************************************************
 145  *              SwitchToThisWindow (USER32.@)
 146  */
 147 void WINAPI SwitchToThisWindow( HWND hwnd, BOOL restore )
 148 {
 149     ShowWindow( hwnd, restore ? SW_RESTORE : SW_SHOWMINIMIZED );
 150 }
 151
 152
 153 /***********************************************************************
 154  *              GetWindowRect (USER32.@)
 155  */
 156 BOOL WINAPI GetWindowRect( HWND hwnd, LPRECT rect )
 157 {
 158     BOOL ret = WIN_GetRectangles( hwnd, rect, NULL );
 159     if (ret)
 160     {
 161         MapWindowPoints( GetAncestor( hwnd, GA_PARENT ), 0, (POINT *)rect, 2 );
 162         TRACE( "hwnd %p (%ld,%ld)-(%ld,%ld)\n",
 163                hwnd, rect->left, rect->top, rect->right, rect->bottom);
 164     }
 165     return ret;
 166 }
 167
 168
 169 /***********************************************************************
 170  *              GetWindowRgn (USER32.@)
 171  */
 172 int WINAPI GetWindowRgn ( HWND hwnd, HRGN hrgn )
 173 {
 174     int nRet = ERROR;
 175     HRGN win_rgn = 0;
 176     RGNDATA *data;
 177     size_t size = 256;
 178     BOOL retry = FALSE;
 179
 180     do
 181     {
 182         if (!(data = HeapAlloc( GetProcessHeap(), 0, sizeof(*data) + size - 1 )))
 183         {
 184             SetLastError( ERROR_OUTOFMEMORY );
 185             return ERROR;
 186         }
 187         SERVER_START_REQ( get_window_region )
 188         {
 189             req->window = hwnd;
 190             wine_server_set_reply( req, data->Buffer, size );
 191             if (!wine_server_call_err( req ))
 192             {
 193                 if (!reply->total_size) retry = FALSE;  /* no region at all */
 194                 else if (reply->total_size <= size)
 195                 {
 196                     size_t reply_size = wine_server_reply_size( reply );
 197                     data->rdh.dwSize   = sizeof(data->rdh);
 198                     data->rdh.iType    = RDH_RECTANGLES;
 199                     data->rdh.nCount   = reply_size / sizeof(RECT);
 200                     data->rdh.nRgnSize = reply_size;
 201                     win_rgn = ExtCreateRegion( NULL, size, data );
 202                     retry = FALSE;
 203                 }
 204                 else
 205                 {
 206                     size = reply->total_size;
 207                     retry = TRUE;
 208                 }
 209             }
 210         }
 211         SERVER_END_REQ;
 212         HeapFree( GetProcessHeap(), 0, data );
 213     } while (retry);
 214
 215     if (win_rgn)
 216     {
 217         nRet = CombineRgn( hrgn, win_rgn, 0, RGN_COPY );
 218         DeleteObject( win_rgn );
 219     }
 220     return nRet;
 221 }
 222
 223
 224 /***********************************************************************
 225  *              SetWindowRgn (USER32.@)
 226  */
 227 int WINAPI SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL bRedraw )
 228 {
 229     static const RECT empty_rect;
 230     WND *wndPtr;
 231     BOOL ret;
 232
 233     if (hrgn)
 234     {
 235         RGNDATA *data;
 236         DWORD size;
 237
 238         if (!(size = GetRegionData( hrgn, 0, NULL ))) return FALSE;
 239         if (!(data = HeapAlloc( GetProcessHeap(), 0, size ))) return FALSE;
 240         if (!GetRegionData( hrgn, size, data ))
 241         {
 242             HeapFree( GetProcessHeap(), 0, data );
 243             return FALSE;
 244         }
 245         SERVER_START_REQ( set_window_region )
 246         {
 247             req->window = hwnd;
 248             if (data->rdh.nCount)
 249                 wine_server_add_data( req, data->Buffer, data->rdh.nCount * sizeof(RECT) );
 250             else
 251                 wine_server_add_data( req, &empty_rect, sizeof(empty_rect) );
 252             ret = !wine_server_call_err( req );
 253         }
 254         SERVER_END_REQ;
 255     }
 256     else  /* clear existing region */
 257     {
 258         SERVER_START_REQ( set_window_region )
 259         {
 260             req->window = hwnd;
 261             ret = !wine_server_call_err( req );
 262         }
 263         SERVER_END_REQ;
 264     }
 265
 266     if (!ret) return FALSE;
 267
 268     if ((wndPtr = WIN_GetPtr( hwnd )) == WND_OTHER_PROCESS)
 269     {
 270         if (IsWindow( hwnd ))
 271             FIXME( "not properly supported on other process window %p\n", hwnd );
 272         wndPtr = NULL;
 273     }
 274     if (!wndPtr)
 275     {
 276         SetLastError( ERROR_INVALID_WINDOW_HANDLE );
 277         return FALSE;
 278     }
 279
 280     if (wndPtr->hrgnWnd == hrgn)
 281     {
 282         WIN_ReleasePtr( wndPtr );
 283         return TRUE;
 284     }
 285     if (wndPtr->hrgnWnd)
 286     {
 287         /* delete previous region */
 288         DeleteObject(wndPtr->hrgnWnd);
 289         wndPtr->hrgnWnd = 0;
 290     }
 291     wndPtr->hrgnWnd = hrgn;
 292     WIN_ReleasePtr( wndPtr );
 293
 294     if (USER_Driver.pSetWindowRgn)
 295         ret = USER_Driver.pSetWindowRgn( hwnd, hrgn, bRedraw );
 296
 297     if (ret && bRedraw) RedrawWindow( hwnd, NULL, 0, RDW_FRAME | RDW_INVALIDATE | RDW_ERASE );
 298     return ret;
 299 }
 300
 301
 302 /***********************************************************************
 303  *              GetClientRect (USER32.@)
 304  */
 305 BOOL WINAPI GetClientRect( HWND hwnd, LPRECT rect )
 306 {
 307     BOOL ret;
 308
 309     rect->right = rect->bottom = 0;
 310     if ((ret = WIN_GetRectangles( hwnd, NULL, rect )))
 311     {
 312         rect->right -= rect->left;
 313         rect->bottom -= rect->top;
 314     }
 315     rect->left = rect->top = 0;
 316     return ret;
 317 }
 318
 319
 320 /*******************************************************************
 321  *              ClientToScreen (USER32.@)
 322  */
 323 BOOL WINAPI ClientToScreen( HWND hwnd, LPPOINT lppnt )
 324 {
 325     MapWindowPoints( hwnd, 0, lppnt, 1 );
 326     return TRUE;
 327 }
 328
 329
 330 /*******************************************************************
 331  *              ScreenToClient (USER32.@)
 332  */
 333 BOOL WINAPI ScreenToClient( HWND hwnd, LPPOINT lppnt )
 334 {
 335     MapWindowPoints( 0, hwnd, lppnt, 1 );
 336     return TRUE;
 337 }
 338
 339
 340 /***********************************************************************
 341  *           find_child_from_point
 342  *
 343  * Find the child that contains pt. Helper for WindowFromPoint.
 344  * pt is in parent client coordinates.
 345  * lparam is the param to pass in the WM_NCHITTEST message.
 346  */
 347 static HWND find_child_from_point( HWND parent, POINT pt, INT *hittest, LPARAM lparam )
 348 {
 349     int i, res;
 350     LONG style, exstyle;
 351     RECT rectWindow, rectClient;
 352     WND *wndPtr;
 353     HWND *list = WIN_ListChildren( parent );
 354     HWND retvalue = 0;
 355
 356     if (!list) return 0;
 357     for (i = 0; list[i]; i++)
 358     {
 359         /* If point is in window, and window is visible, and it  */
 360         /* is enabled (or it's a top-level window), then explore */
 361         /* its children. Otherwise, go to the next window.       */
 362
 363         style = GetWindowLongW( list[i], GWL_STYLE );
 364         if (!(style & WS_VISIBLE)) continue;  /* not visible -> skip */
 365         if ((style & (WS_POPUP | WS_CHILD | WS_DISABLED)) == (WS_CHILD | WS_DISABLED))
 366             continue;  /* disabled child -> skip */
 367         exstyle = GetWindowLongW( list[i], GWL_EXSTYLE );
 368         if ((exstyle & (WS_EX_LAYERED | WS_EX_TRANSPARENT)) == (WS_EX_LAYERED | WS_EX_TRANSPARENT))
 369             continue;  /* transparent -> skip */
 370
 371         if (!WIN_GetRectangles( list[i], &rectWindow, &rectClient )) continue;
 372         if (!PtInRect( &rectWindow, pt )) continue;  /* not in window -> skip */
 373
 374         /* FIXME: check window region for other processes too */
 375         if ((wndPtr = WIN_GetPtr( list[i] )) && wndPtr != WND_OTHER_PROCESS)
 376         {
 377             if (wndPtr->hrgnWnd && !PtInRegion( wndPtr->hrgnWnd,
 378                                                 pt.x - rectWindow.left, pt.y - rectWindow.top ))
 379             {
 380                 WIN_ReleasePtr( wndPtr );
 381                 continue;  /* point outside window region -> skip */
 382             }
 383             WIN_ReleasePtr( wndPtr );
 384         }
 385
 386         /* If window is minimized or disabled, return at once */
 387         if (style & WS_MINIMIZE)
 388         {
 389             *hittest = HTCAPTION;
 390             retvalue = list[i];
 391             break;
 392         }
 393         if (style & WS_DISABLED)
 394         {
 395             *hittest = HTERROR;
 396             retvalue = list[i];
 397             break;
 398         }
 399
 400         /* If point is in client area, explore children */
 401         if (PtInRect( &rectClient, pt ))
 402         {
 403             POINT new_pt;
 404
 405             new_pt.x = pt.x - rectClient.left;
 406             new_pt.y = pt.y - rectClient.top;
 407             if ((retvalue = find_child_from_point( list[i], new_pt, hittest, lparam ))) break;
 408         }
 409
 410         /* Now it's inside window, send WM_NCCHITTEST (if same thread) */
 411         if (!WIN_IsCurrentThread( list[i] ))
 412         {
 413             *hittest = HTCLIENT;
 414             retvalue = list[i];
 415             break;
 416         }
 417         if ((res = SendMessageA( list[i], WM_NCHITTEST, 0, lparam )) != HTTRANSPARENT)
 418         {
 419             *hittest = res;  /* Found the window */
 420             retvalue = list[i];
 421             break;
 422         }
 423         /* continue search with next sibling */
 424     }
 425     HeapFree( GetProcessHeap(), 0, list );
 426     return retvalue;
 427 }
 428
 429
 430 /***********************************************************************
 431  *           WINPOS_WindowFromPoint
 432  *
 433  * Find the window and hittest for a given point.
 434  */
 435 HWND WINPOS_WindowFromPoint( HWND hwndScope, POINT pt, INT *hittest )
 436 {
 437     POINT xy = pt;
 438     int res;
 439     LONG style;
 440
 441     TRACE("scope %p %ld,%ld\n", hwndScope, pt.x, pt.y);
 442
 443     if (!hwndScope) hwndScope = GetDesktopWindow();
 444     style = GetWindowLongW( hwndScope, GWL_STYLE );
 445
 446     *hittest = HTERROR;
 447     if (style & WS_DISABLED) return 0;
 448
 449     MapWindowPoints( GetDesktopWindow(), GetAncestor( hwndScope, GA_PARENT ), &xy, 1 );
 450
 451     if (!(style & WS_MINIMIZE))
 452     {
 453         RECT rectClient;
 454         if (WIN_GetRectangles( hwndScope, NULL, &rectClient ) && PtInRect( &rectClient, xy ))
 455         {
 456             HWND ret;
 457
 458             xy.x -= rectClient.left;
 459             xy.y -= rectClient.top;
 460             if ((ret = find_child_from_point( hwndScope, xy, hittest, MAKELONG( pt.x, pt.y ) )))
 461             {
 462                 TRACE( "found child %p\n", ret );
 463                 return ret;
 464             }
 465         }
 466     }
 467
 468     /* If nothing found, try the scope window */
 469     if (!WIN_IsCurrentThread( hwndScope ))
 470     {
 471         *hittest = HTCLIENT;
 472         TRACE( "returning %p\n", hwndScope );
 473         return hwndScope;
 474     }
 475     res = SendMessageA( hwndScope, WM_NCHITTEST, 0, MAKELONG( pt.x, pt.y ) );
 476     if (res != HTTRANSPARENT)
 477     {
 478         *hittest = res;  /* Found the window */
 479         TRACE( "returning %p\n", hwndScope );
 480         return hwndScope;
 481     }
 482     *hittest = HTNOWHERE;
 483     TRACE( "nothing found\n" );
 484     return 0;
 485 }
 486
 487
 488 /*******************************************************************
 489  *              WindowFromPoint (USER32.@)
 490  */
 491 HWND WINAPI WindowFromPoint( POINT pt )
 492 {
 493     INT hittest;
 494     return WINPOS_WindowFromPoint( 0, pt, &hittest );
 495 }
 496
 497
 498 /*******************************************************************
 499  *              ChildWindowFromPoint (USER32.@)
 500  */
 501 HWND WINAPI ChildWindowFromPoint( HWND hwndParent, POINT pt )
 502 {
 503     return ChildWindowFromPointEx( hwndParent, pt, CWP_ALL );
 504 }
 505
 506 /*******************************************************************
 507  *              ChildWindowFromPointEx (USER32.@)
 508  */
 509 HWND WINAPI ChildWindowFromPointEx( HWND hwndParent, POINT pt, UINT uFlags)
 510 {
 511     /* pt is in the client coordinates */
 512     HWND *list;
 513     int i;
 514     RECT rect;
 515     HWND retvalue;
 516
 517     GetClientRect( hwndParent, &rect );
 518     if (!PtInRect( &rect, pt )) return 0;
 519     if (!(list = WIN_ListChildren( hwndParent ))) return 0;
 520
 521     for (i = 0; list[i]; i++)
 522     {
 523         if (!WIN_GetRectangles( list[i], &rect, NULL )) continue;
 524         if (!PtInRect( &rect, pt )) continue;
 525         if (uFlags & (CWP_SKIPINVISIBLE|CWP_SKIPDISABLED))
 526         {
 527             LONG style = GetWindowLongW( list[i], GWL_STYLE );
 528             if ((uFlags & CWP_SKIPINVISIBLE) && !(style & WS_VISIBLE)) continue;
 529             if ((uFlags & CWP_SKIPDISABLED) && (style & WS_DISABLED)) continue;
 530         }
 531         if (uFlags & CWP_SKIPTRANSPARENT)
 532         {
 533             if (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TRANSPARENT) continue;
 534         }
 535         break;
 536     }
 537     retvalue = list[i];
 538     HeapFree( GetProcessHeap(), 0, list );
 539     if (!retvalue) retvalue = hwndParent;
 540     return retvalue;
 541 }
 542
 543
 544 /*******************************************************************
 545  *         WINPOS_GetWinOffset
 546  *
 547  * Calculate the offset between the origin of the two windows. Used
 548  * to implement MapWindowPoints.
 549  */
 550 static void WINPOS_GetWinOffset( HWND hwndFrom, HWND hwndTo, POINT *offset )
 551 {
 552     WND * wndPtr;
 553
 554     offset->x = offset->y = 0;
 555
 556     /* Translate source window origin to screen coords */
 557     if (hwndFrom)
 558     {
 559         HWND hwnd = hwndFrom;
 560
 561         while (hwnd)
 562         {
 563             if (hwnd == hwndTo) return;
 564             if (!(wndPtr = WIN_GetPtr( hwnd )))
 565             {
 566                 ERR( "bad hwndFrom = %p\n", hwnd );
 567                 return;
 568             }
 569             if (wndPtr == WND_OTHER_PROCESS) goto other_process;
 570             offset->x += wndPtr->rectClient.left;
 571             offset->y += wndPtr->rectClient.top;
 572             hwnd = wndPtr->parent;
 573             WIN_ReleasePtr( wndPtr );
 574         }
 575     }
 576
 577     /* Translate origin to destination window coords */
 578     if (hwndTo)
 579     {
 580         HWND hwnd = hwndTo;
 581
 582         while (hwnd)
 583         {
 584             if (!(wndPtr = WIN_GetPtr( hwnd )))
 585             {
 586                 ERR( "bad hwndTo = %p\n", hwnd );
 587                 return;
 588             }
 589             if (wndPtr == WND_OTHER_PROCESS) goto other_process;
 590             offset->x -= wndPtr->rectClient.left;
 591             offset->y -= wndPtr->rectClient.top;
 592             hwnd = wndPtr->parent;
 593             WIN_ReleasePtr( wndPtr );
 594         }
 595     }
 596     return;
 597
 598  other_process:  /* one of the parents may belong to another process, do it the hard way */
 599     offset->x = offset->y = 0;
 600     SERVER_START_REQ( get_windows_offset )
 601     {
 602         req->from = hwndFrom;
 603         req->to   = hwndTo;
 604         if (!wine_server_call( req ))
 605         {
 606             offset->x = reply->x;
 607             offset->y = reply->y;
 608         }
 609     }
 610     SERVER_END_REQ;
 611 }
 612
 613
 614 /*******************************************************************
 615  *              MapWindowPoints (USER.258)
 616  */
 617 void WINAPI MapWindowPoints16( HWND16 hwndFrom, HWND16 hwndTo,
 618                                LPPOINT16 lppt, UINT16 count )
 619 {
 620     POINT offset;
 621
 622     WINPOS_GetWinOffset( WIN_Handle32(hwndFrom), WIN_Handle32(hwndTo), &offset );
 623     while (count--)
 624     {
 625         lppt->x += offset.x;
 626         lppt->y += offset.y;
 627         lppt++;
 628     }
 629 }
 630
 631
 632 /*******************************************************************
 633  *              MapWindowPoints (USER32.@)
 634  */
 635 INT WINAPI MapWindowPoints( HWND hwndFrom, HWND hwndTo, LPPOINT lppt, UINT count )
 636 {
 637     POINT offset;
 638
 639     WINPOS_GetWinOffset( hwndFrom, hwndTo, &offset );
 640     while (count--)
 641     {
 642         lppt->x += offset.x;
 643         lppt->y += offset.y;
 644         lppt++;
 645     }
 646     return MAKELONG( LOWORD(offset.x), LOWORD(offset.y) );
 647 }
 648
 649
 650 /***********************************************************************
 651  *              IsIconic (USER32.@)
 652  */
 653 BOOL WINAPI IsIconic(HWND hWnd)
 654 {
 655     return (GetWindowLongW( hWnd, GWL_STYLE ) & WS_MINIMIZE) != 0;
 656 }
 657
 658
 659 /***********************************************************************
 660  *              IsZoomed (USER32.@)
 661  */
 662 BOOL WINAPI IsZoomed(HWND hWnd)
 663 {
 664     return (GetWindowLongW( hWnd, GWL_STYLE ) & WS_MAXIMIZE) != 0;
 665 }
 666
 667
 668 /*******************************************************************
 669  *              AllowSetForegroundWindow (USER32.@)
 670  */
 671 BOOL WINAPI AllowSetForegroundWindow( DWORD procid )
 672 {
 673     /* FIXME: If Win98/2000 style SetForegroundWindow behavior is
 674      * implemented, then fix this function. */
 675     return TRUE;
 676 }
 677
 678
 679 /*******************************************************************
 680  *              LockSetForegroundWindow (USER32.@)
 681  */
 682 BOOL WINAPI LockSetForegroundWindow( UINT lockcode )
 683 {
 684     /* FIXME: If Win98/2000 style SetForegroundWindow behavior is
 685      * implemented, then fix this function. */
 686     return TRUE;
 687 }
 688
 689
 690 /***********************************************************************
 691  *              BringWindowToTop (USER32.@)
 692  */
 693 BOOL WINAPI BringWindowToTop( HWND hwnd )
 694 {
 695     return SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE );
 696 }
 697
 698
 699 /***********************************************************************
 700  *              MoveWindow (USER32.@)
 701  */
 702 BOOL WINAPI MoveWindow( HWND hwnd, INT x, INT y, INT cx, INT cy,
 703                             BOOL repaint )
 704 {
 705     int flags = SWP_NOZORDER | SWP_NOACTIVATE;
 706     if (!repaint) flags |= SWP_NOREDRAW;
 707     TRACE("%p %d,%d %dx%d %d\n", hwnd, x, y, cx, cy, repaint );
 708     return SetWindowPos( hwnd, 0, x, y, cx, cy, flags );
 709 }
 710
 711 /***********************************************************************
 712  *           WINPOS_InitInternalPos
 713  */
 714 static LPINTERNALPOS WINPOS_InitInternalPos( WND* wnd, POINT pt, const RECT *restoreRect )
 715 {
 716     LPINTERNALPOS lpPos = (LPINTERNALPOS) GetPropA( wnd->hwndSelf,
 717                                                       atomInternalPos );
 718     if( !lpPos )
 719     {
 720         /* this happens when the window is minimized/maximized
 721          * for the first time (rectWindow is not adjusted yet) */
 722
 723         lpPos = HeapAlloc( GetProcessHeap(), 0, sizeof(INTERNALPOS) );
 724         if( !lpPos ) return NULL;
 725
 726         SetPropA( wnd->hwndSelf, atomInternalPos, (HANDLE)lpPos );
 727         lpPos->hwndIconTitle = 0; /* defer until needs to be shown */
 728         CONV_RECT32TO16( &wnd->rectWindow, &lpPos->rectNormal );
 729         *(UINT*)&lpPos->ptIconPos = *(UINT*)&lpPos->ptMaxPos = 0xFFFFFFFF;
 730     }
 731
 732     if( wnd->dwStyle & WS_MINIMIZE )
 733         CONV_POINT32TO16( &pt, &lpPos->ptIconPos );
 734     else if( wnd->dwStyle & WS_MAXIMIZE )
 735         CONV_POINT32TO16( &pt, &lpPos->ptMaxPos );
 736     else if( restoreRect )
 737         CONV_RECT32TO16( restoreRect, &lpPos->rectNormal );
 738
 739     return lpPos;
 740 }
 741
 742 /***********************************************************************
 743  *           WINPOS_RedrawIconTitle
 744  */
 745 BOOL WINPOS_RedrawIconTitle( HWND hWnd )
 746 {
 747     LPINTERNALPOS lpPos = (LPINTERNALPOS)GetPropA( hWnd, atomInternalPos );
 748     if( lpPos )
 749     {
 750         if( lpPos->hwndIconTitle )
 751         {
 752             SendMessageA( lpPos->hwndIconTitle, WM_SHOWWINDOW, TRUE, 0);
 753             InvalidateRect( lpPos->hwndIconTitle, NULL, TRUE );
 754             return TRUE;
 755         }
 756     }
 757     return FALSE;
 758 }
 759
 760 /***********************************************************************
 761  *           WINPOS_ShowIconTitle
 762  */
 763 BOOL WINPOS_ShowIconTitle( HWND hwnd, BOOL bShow )
 764 {
 765     LPINTERNALPOS lpPos = (LPINTERNALPOS)GetPropA( hwnd, atomInternalPos );
 766
 767     if( lpPos && !(GetWindowLongA( hwnd, GWL_EXSTYLE) & WS_EX_MANAGED))
 768     {
 769         HWND title = lpPos->hwndIconTitle;
 770
 771         TRACE("%p %i\n", hwnd, (bShow != 0) );
 772
 773         if( !title )
 774             lpPos->hwndIconTitle = title = ICONTITLE_Create( hwnd );
 775         if( bShow )
 776         {
 777             if (!IsWindowVisible(title))
 778             {
 779                 SendMessageA( title, WM_SHOWWINDOW, TRUE, 0 );
 780                 SetWindowPos( title, 0, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE |
 781                               SWP_NOACTIVATE | SWP_NOZORDER | SWP_SHOWWINDOW );
 782             }
 783         }
 784         else ShowWindow( title, SW_HIDE );
 785     }
 786     return FALSE;
 787 }
 788
 789 /*******************************************************************
 790  *           WINPOS_GetMinMaxInfo
 791  *
 792  * Get the minimized and maximized information for a window.
 793  */
 794 void WINPOS_GetMinMaxInfo( HWND hwnd, POINT *maxSize, POINT *maxPos,
 795                            POINT *minTrack, POINT *maxTrack )
 796 {
 797     LPINTERNALPOS lpPos;
 798     MINMAXINFO MinMax;
 799     INT xinc, yinc;
 800     LONG style = GetWindowLongA( hwnd, GWL_STYLE );
 801     LONG exstyle = GetWindowLongA( hwnd, GWL_EXSTYLE );
 802     RECT rc;
 803
 804     /* Compute default values */
 805
 806     GetWindowRect(hwnd, &rc);
 807     MinMax.ptReserved.x = rc.left;
 808     MinMax.ptReserved.y = rc.top;
 809
 810     if (style & WS_CHILD)
 811     {
 812         if ((style & WS_CAPTION) == WS_CAPTION)
 813             style &= ~WS_BORDER; /* WS_CAPTION = WS_DLGFRAME | WS_BORDER */
 814
 815         GetClientRect(GetParent(hwnd), &rc);
 816         AdjustWindowRectEx(&rc, style, 0, exstyle);
 817
 818         /* avoid calculating this twice */
 819         style &= ~(WS_DLGFRAME | WS_BORDER | WS_THICKFRAME);
 820
 821         MinMax.ptMaxSize.x = rc.right - rc.left;
 822         MinMax.ptMaxSize.y = rc.bottom - rc.top;
 823     }
 824     else
 825     {
 826         MinMax.ptMaxSize.x = GetSystemMetrics(SM_CXSCREEN);
 827         MinMax.ptMaxSize.y = GetSystemMetrics(SM_CYSCREEN);
 828     }
 829     MinMax.ptMinTrackSize.x = GetSystemMetrics(SM_CXMINTRACK);
 830     MinMax.ptMinTrackSize.y = GetSystemMetrics(SM_CYMINTRACK);
 831     MinMax.ptMaxTrackSize.x = GetSystemMetrics(SM_CXSCREEN);
 832     MinMax.ptMaxTrackSize.y = GetSystemMetrics(SM_CYSCREEN);
 833
 834     if (HAS_DLGFRAME( style, exstyle ))
 835     {
 836         xinc = GetSystemMetrics(SM_CXDLGFRAME);
 837         yinc = GetSystemMetrics(SM_CYDLGFRAME);
 838     }
 839     else
 840     {
 841         xinc = yinc = 0;
 842         if (HAS_THICKFRAME(style))
 843         {
 844             xinc += GetSystemMetrics(SM_CXFRAME);
 845             yinc += GetSystemMetrics(SM_CYFRAME);
 846         }
 847         if (style & WS_BORDER)
 848         {
 849             xinc += GetSystemMetrics(SM_CXBORDER);
 850             yinc += GetSystemMetrics(SM_CYBORDER);
 851         }
 852     }
 853     MinMax.ptMaxSize.x += 2 * xinc;
 854     MinMax.ptMaxSize.y += 2 * yinc;
 855
 856     lpPos = (LPINTERNALPOS)GetPropA( hwnd, atomInternalPos );
 857     if( lpPos && !EMPTYPOINT(lpPos->ptMaxPos) )
 858         CONV_POINT16TO32( &lpPos->ptMaxPos, &MinMax.ptMaxPosition );
 859     else
 860     {
 861         MinMax.ptMaxPosition.x = -xinc;
 862         MinMax.ptMaxPosition.y = -yinc;
 863     }
 864
 865     SendMessageA( hwnd, WM_GETMINMAXINFO, 0, (LPARAM)&MinMax );
 866
 867       /* Some sanity checks */
 868
 869     TRACE("%ld %ld / %ld %ld / %ld %ld / %ld %ld\n",
 870                       MinMax.ptMaxSize.x, MinMax.ptMaxSize.y,
 871                       MinMax.ptMaxPosition.x, MinMax.ptMaxPosition.y,
 872                       MinMax.ptMaxTrackSize.x, MinMax.ptMaxTrackSize.y,
 873                       MinMax.ptMinTrackSize.x, MinMax.ptMinTrackSize.y);
 874     MinMax.ptMaxTrackSize.x = max( MinMax.ptMaxTrackSize.x,
 875                                    MinMax.ptMinTrackSize.x );
 876     MinMax.ptMaxTrackSize.y = max( MinMax.ptMaxTrackSize.y,
 877                                    MinMax.ptMinTrackSize.y );
 878
 879     if (maxSize) *maxSize = MinMax.ptMaxSize;
 880     if (maxPos) *maxPos = MinMax.ptMaxPosition;
 881     if (minTrack) *minTrack = MinMax.ptMinTrackSize;
 882     if (maxTrack) *maxTrack = MinMax.ptMaxTrackSize;
 883 }
 884
 885 /***********************************************************************
 886  *              ShowWindowAsync (USER32.@)
 887  *
 888  * doesn't wait; returns immediately.
 889  * used by threads to toggle windows in other (possibly hanging) threads
 890  */
 891 BOOL WINAPI ShowWindowAsync( HWND hwnd, INT cmd )
 892 {
 893     HWND full_handle;
 894
 895     if (is_broadcast(hwnd))
 896     {
 897         SetLastError( ERROR_INVALID_PARAMETER );
 898         return FALSE;
 899     }
 900
 901     if ((full_handle = WIN_IsCurrentThread( hwnd )))
 902         return USER_Driver.pShowWindow( full_handle, cmd );
 903     return SendNotifyMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
 904 }
 905
 906
 907 /***********************************************************************
 908  *              ShowWindow (USER32.@)
 909  */
 910 BOOL WINAPI ShowWindow( HWND hwnd, INT cmd )
 911 {
 912     HWND full_handle;
 913
 914     if (is_broadcast(hwnd))
 915     {
 916         SetLastError( ERROR_INVALID_PARAMETER );
 917         return FALSE;
 918     }
 919     if ((full_handle = WIN_IsCurrentThread( hwnd )))
 920     {
 921         if (USER_Driver.pShowWindow)
 922             return USER_Driver.pShowWindow( full_handle, cmd );
 923         return FALSE;
 924     }
 925     return SendMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
 926 }
 927
 928
 929 /***********************************************************************
 930  *              GetInternalWindowPos (USER32.@)
 931  */
 932 UINT WINAPI GetInternalWindowPos( HWND hwnd, LPRECT rectWnd,
 933                                       LPPOINT ptIcon )
 934 {
 935     WINDOWPLACEMENT wndpl;
 936     if (GetWindowPlacement( hwnd, &wndpl ))
 937     {
 938         if (rectWnd) *rectWnd = wndpl.rcNormalPosition;
 939         if (ptIcon)  *ptIcon = wndpl.ptMinPosition;
 940         return wndpl.showCmd;
 941     }
 942     return 0;
 943 }
 944
 945
 946 /***********************************************************************
 947  *              GetWindowPlacement (USER32.@)
 948  *
 949  * Win95:
 950  * Fails if wndpl->length of Win95 (!) apps is invalid.
 951  */
 952 BOOL WINAPI GetWindowPlacement( HWND hwnd, WINDOWPLACEMENT *wndpl )
 953 {
 954     WND *pWnd = WIN_FindWndPtr( hwnd );
 955     LPINTERNALPOS lpPos;
 956
 957     if(!pWnd ) return FALSE;
 958
 959     lpPos = WINPOS_InitInternalPos( pWnd, *(LPPOINT)&pWnd->rectWindow.left, &pWnd->rectWindow );
 960     wndpl->length  = sizeof(*wndpl);
 961     if( pWnd->dwStyle & WS_MINIMIZE )
 962         wndpl->showCmd = SW_SHOWMINIMIZED;
 963     else
 964         wndpl->showCmd = ( pWnd->dwStyle & WS_MAXIMIZE ) ? SW_SHOWMAXIMIZED : SW_SHOWNORMAL ;
 965     if( pWnd->flags & WIN_RESTORE_MAX )
 966         wndpl->flags = WPF_RESTORETOMAXIMIZED;
 967     else
 968         wndpl->flags = 0;
 969     CONV_POINT16TO32( &lpPos->ptIconPos, &wndpl->ptMinPosition );
 970     CONV_POINT16TO32( &lpPos->ptMaxPos, &wndpl->ptMaxPosition );
 971     CONV_RECT16TO32( &lpPos->rectNormal, &wndpl->rcNormalPosition );
 972     WIN_ReleaseWndPtr(pWnd);
 973     return TRUE;
 974 }
 975
 976
 977 /***********************************************************************
 978  *           WINPOS_SetPlacement
 979  */
 980 static BOOL WINPOS_SetPlacement( HWND hwnd, const WINDOWPLACEMENT *wndpl, UINT flags )
 981 {
 982     WND *pWnd = WIN_FindWndPtr( hwnd );
 983     if( pWnd )
 984     {
 985         LPINTERNALPOS lpPos = (LPINTERNALPOS)WINPOS_InitInternalPos( pWnd,
 986                              *(LPPOINT)&pWnd->rectWindow.left, &pWnd->rectWindow );
 987
 988         if( flags & PLACE_MIN ) CONV_POINT32TO16( &wndpl->ptMinPosition, &lpPos->ptIconPos );
 989         if( flags & PLACE_MAX ) CONV_POINT32TO16( &wndpl->ptMaxPosition, &lpPos->ptMaxPos );
 990         if( flags & PLACE_RECT) CONV_RECT32TO16( &wndpl->rcNormalPosition, &lpPos->rectNormal );
 991
 992         if( pWnd->dwStyle & WS_MINIMIZE )
 993         {
 994             WINPOS_ShowIconTitle( pWnd->hwndSelf, FALSE );
 995             if( wndpl->flags & WPF_SETMINPOSITION && !EMPTYPOINT(lpPos->ptIconPos))
 996                 SetWindowPos( hwnd, 0, lpPos->ptIconPos.x, lpPos->ptIconPos.y,
 997                                 0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
 998         }
 999         else if( pWnd->dwStyle & WS_MAXIMIZE )
1000         {
1001             if( !EMPTYPOINT(lpPos->ptMaxPos) )
1002                 SetWindowPos( hwnd, 0, lpPos->ptMaxPos.x, lpPos->ptMaxPos.y,
1003                                 0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
1004         }
1005         else if( flags & PLACE_RECT )
1006                 SetWindowPos( hwnd, 0, lpPos->rectNormal.left, lpPos->rectNormal.top,
1007                                 lpPos->rectNormal.right - lpPos->rectNormal.left,
1008                                 lpPos->rectNormal.bottom - lpPos->rectNormal.top,
1009                                 SWP_NOZORDER | SWP_NOACTIVATE );
1010
1011         ShowWindow( hwnd, wndpl->showCmd );
1012         if( IsWindow(hwnd) && pWnd->dwStyle & WS_MINIMIZE )
1013         {
1014             if( pWnd->dwStyle & WS_VISIBLE ) WINPOS_ShowIconTitle( pWnd->hwndSelf, TRUE );
1015
1016             /* SDK: ...valid only the next time... */
1017             if( wndpl->flags & WPF_RESTORETOMAXIMIZED ) pWnd->flags |= WIN_RESTORE_MAX;
1018         }
1019         WIN_ReleaseWndPtr(pWnd);
1020         return TRUE;
1021     }
1022     return FALSE;
1023 }
1024
1025
1026 /***********************************************************************
1027  *              SetWindowPlacement (USER32.@)
1028  *
1029  * Win95:
1030  * Fails if wndpl->length of Win95 (!) apps is invalid.
1031  */
1032 BOOL WINAPI SetWindowPlacement( HWND hwnd, const WINDOWPLACEMENT *wpl )
1033 {
1034     if (!wpl) return FALSE;
1035     return WINPOS_SetPlacement( hwnd, wpl, PLACE_MIN | PLACE_MAX | PLACE_RECT );
1036 }
1037
1038
1039 /***********************************************************************
1040  *              AnimateWindow (USER32.@)
1041  *              Shows/Hides a window with an animation
1042  *              NO ANIMATION YET
1043  */
1044 BOOL WINAPI AnimateWindow(HWND hwnd, DWORD dwTime, DWORD dwFlags)
1045 {
1046         FIXME("partial stub\n");
1047
1048         /* If trying to show/hide and it's already   *
1049          * shown/hidden or invalid window, fail with *
1050          * invalid parameter                         */
1051         if(!IsWindow(hwnd) ||
1052            (IsWindowVisible(hwnd) && !(dwFlags & AW_HIDE)) ||
1053            (!IsWindowVisible(hwnd) && (dwFlags & AW_HIDE)))
1054         {
1055                 SetLastError(ERROR_INVALID_PARAMETER);
1056                 return FALSE;
1057         }
1058
1059         ShowWindow(hwnd, (dwFlags & AW_HIDE) ? SW_HIDE : ((dwFlags & AW_ACTIVATE) ? SW_SHOW : SW_SHOWNA));
1060
1061         return TRUE;
1062 }
1063
1064 /***********************************************************************
1065  *              SetInternalWindowPos (USER32.@)
1066  */
1067 void WINAPI SetInternalWindowPos( HWND hwnd, UINT showCmd,
1068                                     LPRECT rect, LPPOINT pt )
1069 {
1070     if( IsWindow(hwnd) )
1071     {
1072         WINDOWPLACEMENT wndpl;
1073         UINT flags;
1074
1075         wndpl.length  = sizeof(wndpl);
1076         wndpl.showCmd = showCmd;
1077         wndpl.flags = flags = 0;
1078
1079         if( pt )
1080         {
1081             flags |= PLACE_MIN;
1082             wndpl.flags |= WPF_SETMINPOSITION;
1083             wndpl.ptMinPosition = *pt;
1084         }
1085         if( rect )
1086         {
1087             flags |= PLACE_RECT;
1088             wndpl.rcNormalPosition = *rect;
1089         }
1090         WINPOS_SetPlacement( hwnd, &wndpl, flags );
1091     }
1092 }
1093
1094
1095 /*******************************************************************
1096  *         can_activate_window
1097  *
1098  * Check if we can activate the specified window.
1099  */
1100 static BOOL can_activate_window( HWND hwnd )
1101 {
1102     LONG style;
1103
1104     if (!hwnd) return FALSE;
1105     style = GetWindowLongW( hwnd, GWL_STYLE );
1106     if (!(style & WS_VISIBLE)) return FALSE;
1107     if ((style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return FALSE;
1108     return !(style & WS_DISABLED);
1109 }
1110
1111
1112 /*******************************************************************
1113  *         WINPOS_ActivateOtherWindow
1114  *
1115  *  Activates window other than pWnd.
1116  */
1117 void WINPOS_ActivateOtherWindow(HWND hwnd)
1118 {
1119     HWND hwndTo, fg;
1120
1121     if ((GetWindowLongW( hwnd, GWL_STYLE ) & WS_POPUP) && (hwndTo = GetWindow( hwnd, GW_OWNER )))
1122     {
1123         hwndTo = GetAncestor( hwndTo, GA_ROOT );
1124         if (can_activate_window( hwndTo )) goto done;
1125     }
1126
1127     hwndTo = hwnd;
1128     for (;;)
1129     {
1130         if (!(hwndTo = GetWindow( hwndTo, GW_HWNDNEXT ))) break;
1131         if (can_activate_window( hwndTo )) break;
1132     }
1133
1134  done:
1135     fg = GetForegroundWindow();
1136     TRACE("win = %p fg = %p\n", hwndTo, fg);
1137     if (!fg || (hwnd == fg))
1138     {
1139         if (SetForegroundWindow( hwndTo )) return;
1140     }
1141     if (!SetActiveWindow( hwndTo )) SetActiveWindow(0);
1142 }
1143
1144
1145 /***********************************************************************
1146  *           WINPOS_HandleWindowPosChanging16
1147  *
1148  * Default handling for a WM_WINDOWPOSCHANGING. Called from DefWindowProc().
1149  */
1150 LONG WINPOS_HandleWindowPosChanging16( HWND hwnd, WINDOWPOS16 *winpos )
1151 {
1152     POINT minTrack, maxTrack;
1153     LONG style = GetWindowLongW( hwnd, GWL_STYLE );
1154
1155     if (winpos->flags & SWP_NOSIZE) return 0;
1156     if ((style & WS_THICKFRAME) || ((style & (WS_POPUP | WS_CHILD)) == 0))
1157     {
1158         WINPOS_GetMinMaxInfo( hwnd, NULL, NULL, &minTrack, &maxTrack );
1159         if (winpos->cx > maxTrack.x) winpos->cx = maxTrack.x;
1160         if (winpos->cy > maxTrack.y) winpos->cy = maxTrack.y;
1161         if (!(style & WS_MINIMIZE))
1162         {
1163             if (winpos->cx < minTrack.x ) winpos->cx = minTrack.x;
1164             if (winpos->cy < minTrack.y ) winpos->cy = minTrack.y;
1165         }
1166     }
1167     return 0;
1168 }
1169
1170
1171 /***********************************************************************
1172  *           WINPOS_HandleWindowPosChanging
1173  *
1174  * Default handling for a WM_WINDOWPOSCHANGING. Called from DefWindowProc().
1175  */
1176 LONG WINPOS_HandleWindowPosChanging( HWND hwnd, WINDOWPOS *winpos )
1177 {
1178     POINT minTrack, maxTrack;
1179     LONG style = GetWindowLongW( hwnd, GWL_STYLE );
1180
1181     if (winpos->flags & SWP_NOSIZE) return 0;
1182     if ((style & WS_THICKFRAME) || ((style & (WS_POPUP | WS_CHILD)) == 0))
1183     {
1184         WINPOS_GetMinMaxInfo( hwnd, NULL, NULL, &minTrack, &maxTrack );
1185         if (winpos->cx > maxTrack.x) winpos->cx = maxTrack.x;
1186         if (winpos->cy > maxTrack.y) winpos->cy = maxTrack.y;
1187         if (!(style & WS_MINIMIZE))
1188         {
1189             if (winpos->cx < minTrack.x ) winpos->cx = minTrack.x;
1190             if (winpos->cy < minTrack.y ) winpos->cy = minTrack.y;
1191         }
1192     }
1193     return 0;
1194 }
1195
1196
1197 /***********************************************************************
1198  *           dump_winpos_flags
1199  */
1200 static void dump_winpos_flags(UINT flags)
1201 {
1202     TRACE("flags:");
1203     if(flags & SWP_NOSIZE) TRACE(" SWP_NOSIZE");
1204     if(flags & SWP_NOMOVE) TRACE(" SWP_NOMOVE");
1205     if(flags & SWP_NOZORDER) TRACE(" SWP_NOZORDER");
1206     if(flags & SWP_NOREDRAW) TRACE(" SWP_NOREDRAW");
1207     if(flags & SWP_NOACTIVATE) TRACE(" SWP_NOACTIVATE");
1208     if(flags & SWP_FRAMECHANGED) TRACE(" SWP_FRAMECHANGED");
1209     if(flags & SWP_SHOWWINDOW) TRACE(" SWP_SHOWWINDOW");
1210     if(flags & SWP_HIDEWINDOW) TRACE(" SWP_HIDEWINDOW");
1211     if(flags & SWP_NOCOPYBITS) TRACE(" SWP_NOCOPYBITS");
1212     if(flags & SWP_NOOWNERZORDER) TRACE(" SWP_NOOWNERZORDER");
1213     if(flags & SWP_NOSENDCHANGING) TRACE(" SWP_NOSENDCHANGING");
1214     if(flags & SWP_DEFERERASE) TRACE(" SWP_DEFERERASE");
1215     if(flags & SWP_ASYNCWINDOWPOS) TRACE(" SWP_ASYNCWINDOWPOS");
1216
1217 #define DUMPED_FLAGS \
1218     (SWP_NOSIZE | \
1219     SWP_NOMOVE | \
1220     SWP_NOZORDER | \
1221     SWP_NOREDRAW | \
1222     SWP_NOACTIVATE | \
1223     SWP_FRAMECHANGED | \
1224     SWP_SHOWWINDOW | \
1225     SWP_HIDEWINDOW | \
1226     SWP_NOCOPYBITS | \
1227     SWP_NOOWNERZORDER | \
1228     SWP_NOSENDCHANGING | \
1229     SWP_DEFERERASE | \
1230     SWP_ASYNCWINDOWPOS)
1231
1232     if(flags & ~DUMPED_FLAGS) TRACE(" %08x", flags & ~DUMPED_FLAGS);
1233     TRACE("\n");
1234 #undef DUMPED_FLAGS
1235 }
1236
1237 /***********************************************************************
1238  *              SetWindowPos (USER32.@)
1239  */
1240 BOOL WINAPI SetWindowPos( HWND hwnd, HWND hwndInsertAfter,
1241                           INT x, INT y, INT cx, INT cy, UINT flags )
1242 {
1243     WINDOWPOS winpos;
1244
1245     TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
1246           hwnd, hwndInsertAfter, x, y, cx, cy, flags);
1247     if(TRACE_ON(win)) dump_winpos_flags(flags);
1248
1249     if (is_broadcast(hwnd))
1250     {
1251         SetLastError( ERROR_INVALID_PARAMETER );
1252         return FALSE;
1253     }
1254
1255     winpos.hwnd = WIN_GetFullHandle(hwnd);
1256     winpos.hwndInsertAfter = WIN_GetFullHandle(hwndInsertAfter);
1257     winpos.x = x;
1258     winpos.y = y;
1259     winpos.cx = cx;
1260     winpos.cy = cy;
1261     winpos.flags = flags;
1262     if (WIN_IsCurrentThread( hwnd )) return USER_Driver.pSetWindowPos( &winpos );
1263     return SendMessageW( winpos.hwnd, WM_WINE_SETWINDOWPOS, 0, (LPARAM)&winpos );
1264 }
1265
1266
1267 /***********************************************************************
1268  *              BeginDeferWindowPos (USER32.@)
1269  */
1270 HDWP WINAPI BeginDeferWindowPos( INT count )
1271 {
1272     HDWP handle;
1273     DWP *pDWP;
1274
1275     TRACE("%d\n", count);
1276
1277     if (count < 0)
1278     {
1279         SetLastError(ERROR_INVALID_PARAMETER);
1280         return 0;
1281     }
1282     /* Windows allows zero count, in which case it allocates context for 8 moves */
1283     if (count == 0) count = 8;
1284
1285     handle = USER_HEAP_ALLOC( sizeof(DWP) + (count-1)*sizeof(WINDOWPOS) );
1286     if (!handle) return 0;
1287     pDWP = (DWP *) USER_HEAP_LIN_ADDR( handle );
1288     pDWP->actualCount    = 0;
1289     pDWP->suggestedCount = count;
1290     pDWP->valid          = TRUE;
1291     pDWP->wMagic         = DWP_MAGIC;
1292     pDWP->hwndParent     = 0;
1293
1294     TRACE("returning hdwp %p\n", handle);
1295     return handle;
1296 }
1297
1298
1299 /***********************************************************************
1300  *              DeferWindowPos (USER32.@)
1301  */
1302 HDWP WINAPI DeferWindowPos( HDWP hdwp, HWND hwnd, HWND hwndAfter,
1303                                 INT x, INT y, INT cx, INT cy,
1304                                 UINT flags )
1305 {
1306     DWP *pDWP;
1307     int i;
1308     HDWP newhdwp = hdwp,retvalue;
1309
1310     TRACE("hdwp %p, hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
1311           hdwp, hwnd, hwndAfter, x, y, cx, cy, flags);
1312
1313     hwnd = WIN_GetFullHandle( hwnd );
1314     if (hwnd == GetDesktopWindow()) return 0;
1315
1316     if (!(pDWP = USER_HEAP_LIN_ADDR( hdwp ))) return 0;
1317
1318     USER_Lock();
1319
1320     for (i = 0; i < pDWP->actualCount; i++)
1321     {
1322         if (pDWP->winPos[i].hwnd == hwnd)
1323         {
1324               /* Merge with the other changes */
1325             if (!(flags & SWP_NOZORDER))
1326             {
1327                 pDWP->winPos[i].hwndInsertAfter = WIN_GetFullHandle(hwndAfter);
1328             }
1329             if (!(flags & SWP_NOMOVE))
1330             {
1331                 pDWP->winPos[i].x = x;
1332                 pDWP->winPos[i].y = y;
1333             }
1334             if (!(flags & SWP_NOSIZE))
1335             {
1336                 pDWP->winPos[i].cx = cx;
1337                 pDWP->winPos[i].cy = cy;
1338             }
1339             pDWP->winPos[i].flags &= flags | ~(SWP_NOSIZE | SWP_NOMOVE |
1340                                                SWP_NOZORDER | SWP_NOREDRAW |
1341                                                SWP_NOACTIVATE | SWP_NOCOPYBITS|
1342                                                SWP_NOOWNERZORDER);
1343             pDWP->winPos[i].flags |= flags & (SWP_SHOWWINDOW | SWP_HIDEWINDOW |
1344                                               SWP_FRAMECHANGED);
1345             retvalue = hdwp;
1346             goto END;
1347         }
1348     }
1349     if (pDWP->actualCount >= pDWP->suggestedCount)
1350     {
1351         newhdwp = USER_HEAP_REALLOC( hdwp,
1352                       sizeof(DWP) + pDWP->suggestedCount*sizeof(WINDOWPOS) );
1353         if (!newhdwp)
1354         {
1355             retvalue = 0;
1356             goto END;
1357         }
1358         pDWP = (DWP *) USER_HEAP_LIN_ADDR( newhdwp );
1359         pDWP->suggestedCount++;
1360     }
1361     pDWP->winPos[pDWP->actualCount].hwnd = hwnd;
1362     pDWP->winPos[pDWP->actualCount].hwndInsertAfter = hwndAfter;
1363     pDWP->winPos[pDWP->actualCount].x = x;
1364     pDWP->winPos[pDWP->actualCount].y = y;
1365     pDWP->winPos[pDWP->actualCount].cx = cx;
1366     pDWP->winPos[pDWP->actualCount].cy = cy;
1367     pDWP->winPos[pDWP->actualCount].flags = flags;
1368     pDWP->actualCount++;
1369     retvalue = newhdwp;
1370 END:
1371     USER_Unlock();
1372     return retvalue;
1373 }
1374
1375
1376 /***********************************************************************
1377  *              EndDeferWindowPos (USER32.@)
1378  */
1379 BOOL WINAPI EndDeferWindowPos( HDWP hdwp )
1380 {
1381     DWP *pDWP;
1382     WINDOWPOS *winpos;
1383     BOOL res = TRUE;
1384     int i;
1385
1386     TRACE("%p\n", hdwp);
1387
1388     pDWP = (DWP *) USER_HEAP_LIN_ADDR( hdwp );
1389     if (!pDWP) return FALSE;
1390     for (i = 0, winpos = pDWP->winPos; i < pDWP->actualCount; i++, winpos++)
1391     {
1392         if (!(res = USER_Driver.pSetWindowPos( winpos ))) break;
1393     }
1394     USER_HEAP_FREE( hdwp );
1395     return res;
1396 }
1397
1398
1399 /***********************************************************************
1400  *              TileChildWindows (USER.199)
1401  */
1402 void WINAPI TileChildWindows16( HWND16 parent, WORD action )
1403 {
1404     FIXME("(%04x, %d): stub\n", parent, action);
1405 }
1406
1407 /***********************************************************************
1408  *              CascadeChildWindows (USER.198)
1409  */
1410 void WINAPI CascadeChildWindows16( HWND16 parent, WORD action )
1411 {
1412     FIXME("(%04x, %d): stub\n", parent, action);
1413 }