dlls/ttydrv/wnd.c

   1 /*
   2  * TTY window driver
   3  *
   4  * Copyright 1998,1999 Patrik Stridvall
   5  */
   6
   7 #include "config.h"
   8
   9 #include "gdi.h"
  10 #include "ttydrv.h"
  11 #include "region.h"
  12 #include "win.h"
  13 #include "winpos.h"
  14 #include "debugtools.h"
  15
  16 DEFAULT_DEBUG_CHANNEL(ttydrv);
  17
  18 #define SWP_AGG_NOGEOMETRYCHANGE \
  19     (SWP_NOSIZE | SWP_NOMOVE | SWP_NOCLIENTSIZE | SWP_NOCLIENTMOVE)
  20 #define SWP_AGG_NOPOSCHANGE \
  21     (SWP_AGG_NOGEOMETRYCHANGE | SWP_NOZORDER)
  22 #define SWP_AGG_STATUSFLAGS \
  23     (SWP_AGG_NOPOSCHANGE | SWP_FRAMECHANGED | SWP_HIDEWINDOW | SWP_SHOWWINDOW)
  24
  25 /**********************************************************************
  26  *              CreateWindow   (TTYDRV.@)
  27  */
  28 BOOL TTYDRV_CreateWindow( HWND hwnd, CREATESTRUCTA *cs, BOOL unicode )
  29 {
  30     BOOL ret;
  31
  32 #ifdef WINE_CURSES
  33     WND *wndPtr = WIN_FindWndPtr( hwnd );
  34     WINDOW *window;
  35     INT cellWidth=8, cellHeight=8; /* FIXME: Hardcoded */
  36
  37     TRACE("(%x)\n", hwnd);
  38
  39     /* Only create top-level windows */
  40     if (!(wndPtr->dwStyle & WS_CHILD))
  41     {
  42         if (!wndPtr->parent)  /* desktop */
  43             window = root_window;
  44         else
  45         {
  46             int x = wndPtr->rectWindow.left;
  47             int y = wndPtr->rectWindow.top;
  48             int cx = wndPtr->rectWindow.right - wndPtr->rectWindow.left;
  49             int cy = wndPtr->rectWindow.bottom - wndPtr->rectWindow.top;
  50
  51             window = subwin( root_window, cy/cellHeight, cx/cellWidth,
  52                              y/cellHeight, x/cellWidth);
  53             werase(window);
  54             wrefresh(window);
  55         }
  56         wndPtr->pDriverData = window;
  57     }
  58     WIN_ReleaseWndPtr( wndPtr );
  59 #else /* defined(WINE_CURSES) */
  60     FIXME("(%x): stub\n", hwnd);
  61 #endif /* defined(WINE_CURSES) */
  62
  63     if (unicode)
  64     {
  65         ret = SendMessageW( hwnd, WM_NCCREATE, 0, (LPARAM)cs );
  66         if (ret) ret = (SendMessageW( hwnd, WM_CREATE, 0, (LPARAM)cs ) != -1);
  67     }
  68     else
  69     {
  70         ret = SendMessageA( hwnd, WM_NCCREATE, 0, (LPARAM)cs );
  71         if (ret) ret = (SendMessageA( hwnd, WM_CREATE, 0, (LPARAM)cs ) != -1);
  72     }
  73     return ret;
  74 }
  75
  76 /***********************************************************************
  77  *              DestroyWindow   (TTYDRV.@)
  78  */
  79 BOOL TTYDRV_DestroyWindow( HWND hwnd )
  80 {
  81 #ifdef WINE_CURSES
  82     WND *wndPtr = WIN_FindWndPtr( hwnd );
  83     WINDOW *window = wndPtr->pDriverData;
  84
  85     TRACE("(%x)\n", hwnd);
  86
  87     if (window && window != root_window) delwin(window);
  88     wndPtr->pDriverData = NULL;
  89     WIN_ReleaseWndPtr( wndPtr );
  90 #else /* defined(WINE_CURSES) */
  91     FIXME("(%x): stub\n", hwnd);
  92 #endif /* defined(WINE_CURSES) */
  93     return TRUE;
  94 }
  95
  96
  97 /***********************************************************************
  98  *           DCE_OffsetVisRgn
  99  *
 100  * Change region from DC-origin relative coordinates to screen coords.
 101  */
 102
 103 static void DCE_OffsetVisRgn( HDC hDC, HRGN hVisRgn )
 104 {
 105     DC *dc;
 106     if (!(dc = DC_GetDCPtr( hDC ))) return;
 107
 108     OffsetRgn( hVisRgn, dc->DCOrgX, dc->DCOrgY );
 109
 110     GDI_ReleaseObj( hDC );
 111 }
 112
 113
 114 /***********************************************************************
 115  *           DCE_GetVisRect
 116  *
 117  * Calculate the visible rectangle of a window (i.e. the client or
 118  * window area clipped by the client area of all ancestors) in the
 119  * corresponding coordinates. Return FALSE if the visible region is empty.
 120  */
 121 static BOOL DCE_GetVisRect( WND *wndPtr, BOOL clientArea, RECT *lprect )
 122 {
 123     *lprect = clientArea ? wndPtr->rectClient : wndPtr->rectWindow;
 124
 125     if (wndPtr->dwStyle & WS_VISIBLE)
 126     {
 127         INT xoffset = lprect->left;
 128         INT yoffset = lprect->top;
 129
 130         while ((wndPtr = WIN_FindWndPtr( GetAncestor(wndPtr->hwndSelf,GA_PARENT) )))
 131         {
 132             if ( (wndPtr->dwStyle & (WS_ICONIC | WS_VISIBLE)) != WS_VISIBLE )
 133             {
 134                 WIN_ReleaseWndPtr(wndPtr);
 135                 goto fail;
 136             }
 137
 138             xoffset += wndPtr->rectClient.left;
 139             yoffset += wndPtr->rectClient.top;
 140             OffsetRect( lprect, wndPtr->rectClient.left,
 141                         wndPtr->rectClient.top );
 142
 143             if( (wndPtr->rectClient.left >= wndPtr->rectClient.right) ||
 144                 (wndPtr->rectClient.top >= wndPtr->rectClient.bottom) ||
 145                 (lprect->left >= wndPtr->rectClient.right) ||
 146                 (lprect->right <= wndPtr->rectClient.left) ||
 147                 (lprect->top >= wndPtr->rectClient.bottom) ||
 148                 (lprect->bottom <= wndPtr->rectClient.top) )
 149             {
 150                 WIN_ReleaseWndPtr(wndPtr);
 151                 goto fail;
 152             }
 153
 154             lprect->left = max( lprect->left, wndPtr->rectClient.left );
 155             lprect->right = min( lprect->right, wndPtr->rectClient.right );
 156             lprect->top = max( lprect->top, wndPtr->rectClient.top );
 157             lprect->bottom = min( lprect->bottom, wndPtr->rectClient.bottom );
 158
 159             WIN_ReleaseWndPtr(wndPtr);
 160         }
 161         OffsetRect( lprect, -xoffset, -yoffset );
 162         return TRUE;
 163     }
 164
 165 fail:
 166     SetRectEmpty( lprect );
 167     return FALSE;
 168 }
 169
 170
 171 /***********************************************************************
 172  *           DCE_AddClipRects
 173  *
 174  * Go through the linked list of windows from pWndStart to pWndEnd,
 175  * adding to the clip region the intersection of the target rectangle
 176  * with an offset window rectangle.
 177  */
 178 static void DCE_AddClipRects( HWND parent, HWND end, HRGN hrgnClip, LPRECT lpRect, int x, int y )
 179 {
 180     RECT rect;
 181     WND *pWnd;
 182     int i;
 183     HWND *list = WIN_ListChildren( parent );
 184
 185     if (!list) return;
 186     for (i = 0; list[i]; i++)
 187     {
 188         if (list[i] == end) break;
 189         if (!(pWnd = WIN_FindWndPtr( list[i] ))) continue;
 190         if (pWnd->dwStyle & WS_VISIBLE)
 191         {
 192             rect.left = pWnd->rectWindow.left + x;
 193             rect.top = pWnd->rectWindow.top + y;
 194             rect.right = pWnd->rectWindow.right + x;
 195             rect.bottom = pWnd->rectWindow.bottom + y;
 196             if( IntersectRect( &rect, &rect, lpRect ))
 197             {
 198                 if(!REGION_UnionRectWithRgn( hrgnClip, &rect ))
 199                 {
 200                     WIN_ReleaseWndPtr( pWnd );
 201                     break;
 202                 }
 203             }
 204         }
 205         WIN_ReleaseWndPtr( pWnd );
 206     }
 207     HeapFree( GetProcessHeap(), 0, list );
 208 }
 209
 210
 211 /***********************************************************************
 212  *           DCE_GetVisRgn
 213  *
 214  * Return the visible region of a window, i.e. the client or window area
 215  * clipped by the client area of all ancestors, and then optionally
 216  * by siblings and children.
 217  */
 218 static HRGN DCE_GetVisRgn( HWND hwnd, WORD flags, HWND hwndChild, WORD cflags )
 219 {
 220     HRGN hrgnVis = 0;
 221     RECT rect;
 222     WND *wndPtr = WIN_FindWndPtr( hwnd );
 223     WND *childWnd = WIN_FindWndPtr( hwndChild );
 224
 225     /* Get visible rectangle and create a region with it. */
 226
 227     if (wndPtr && DCE_GetVisRect(wndPtr, !(flags & DCX_WINDOW), &rect))
 228     {
 229         if((hrgnVis = CreateRectRgnIndirect( &rect )))
 230         {
 231             HRGN hrgnClip = CreateRectRgn( 0, 0, 0, 0 );
 232             INT xoffset, yoffset;
 233
 234             if( hrgnClip )
 235             {
 236                 /* Compute obscured region for the visible rectangle by
 237                  * clipping children, siblings, and ancestors. Note that
 238                  * DCE_GetVisRect() returns a rectangle either in client
 239                  * or in window coordinates (for DCX_WINDOW request). */
 240
 241                 if (flags & DCX_CLIPCHILDREN)
 242                 {
 243                     if( flags & DCX_WINDOW )
 244                     {
 245                         /* adjust offsets since child window rectangles are
 246                          * in client coordinates */
 247
 248                         xoffset = wndPtr->rectClient.left - wndPtr->rectWindow.left;
 249                         yoffset = wndPtr->rectClient.top - wndPtr->rectWindow.top;
 250                     }
 251                     else
 252                         xoffset = yoffset = 0;
 253
 254                     DCE_AddClipRects( wndPtr->hwndSelf, 0, hrgnClip, &rect, xoffset, yoffset );
 255                 }
 256
 257                 /* We may need to clip children of child window, if a window with PARENTDC
 258                  * class style and CLIPCHILDREN window style (like in Free Agent 16
 259                  * preference dialogs) gets here, we take the region for the parent window
 260                  * but apparently still need to clip the children of the child window... */
 261
 262                 if( (cflags & DCX_CLIPCHILDREN) && childWnd)
 263                 {
 264                     if( flags & DCX_WINDOW )
 265                     {
 266                         /* adjust offsets since child window rectangles are
 267                          * in client coordinates */
 268
 269                         xoffset = wndPtr->rectClient.left - wndPtr->rectWindow.left;
 270                         yoffset = wndPtr->rectClient.top - wndPtr->rectWindow.top;
 271                     }
 272                     else
 273                         xoffset = yoffset = 0;
 274
 275                     /* client coordinates of child window */
 276                     xoffset += childWnd->rectClient.left;
 277                     yoffset += childWnd->rectClient.top;
 278
 279                     DCE_AddClipRects( childWnd->hwndSelf, 0, hrgnClip,
 280                                       &rect, xoffset, yoffset );
 281                 }
 282
 283                 /* sibling window rectangles are in client
 284                  * coordinates of the parent window */
 285
 286                 if (flags & DCX_WINDOW)
 287                 {
 288                     xoffset = -wndPtr->rectWindow.left;
 289                     yoffset = -wndPtr->rectWindow.top;
 290                 }
 291                 else
 292                 {
 293                     xoffset = -wndPtr->rectClient.left;
 294                     yoffset = -wndPtr->rectClient.top;
 295                 }
 296
 297                 if (flags & DCX_CLIPSIBLINGS && wndPtr->parent )
 298                     DCE_AddClipRects( wndPtr->parent, wndPtr->hwndSelf,
 299                                       hrgnClip, &rect, xoffset, yoffset );
 300
 301                 /* Clip siblings of all ancestors that have the
 302                  * WS_CLIPSIBLINGS style
 303                  */
 304
 305                 while (wndPtr->parent)
 306                 {
 307                     WND *ptr = WIN_FindWndPtr( wndPtr->parent );
 308                     WIN_ReleaseWndPtr( wndPtr );
 309                     wndPtr = ptr;
 310                     xoffset -= wndPtr->rectClient.left;
 311                     yoffset -= wndPtr->rectClient.top;
 312                     if(wndPtr->dwStyle & WS_CLIPSIBLINGS && wndPtr->parent)
 313                     {
 314                         DCE_AddClipRects( wndPtr->parent, wndPtr->hwndSelf,
 315                                           hrgnClip, &rect, xoffset, yoffset );
 316                     }
 317                 }
 318
 319                 /* Now once we've got a jumbo clip region we have
 320                  * to substract it from the visible rectangle.
 321                  */
 322                 CombineRgn( hrgnVis, hrgnVis, hrgnClip, RGN_DIFF );
 323                 DeleteObject( hrgnClip );
 324             }
 325             else
 326             {
 327                 DeleteObject( hrgnVis );
 328                 hrgnVis = 0;
 329             }
 330         }
 331     }
 332     else
 333         hrgnVis = CreateRectRgn(0, 0, 0, 0); /* empty */
 334     WIN_ReleaseWndPtr(wndPtr);
 335     WIN_ReleaseWndPtr(childWnd);
 336     return hrgnVis;
 337 }
 338
 339
 340 /***********************************************************************
 341  *              GetDC   (TTYDRV.@)
 342  *
 343  * Set the drawable, origin and dimensions for the DC associated to
 344  * a given window.
 345  */
 346 BOOL TTYDRV_GetDC( HWND hwnd, HDC hdc, HRGN hrgn, DWORD flags )
 347 {
 348     WND *wndPtr = WIN_FindWndPtr(hwnd);
 349     DC *dc;
 350     BOOL updateVisRgn;
 351     HRGN hrgnVisible = 0;
 352
 353     if (!wndPtr) return FALSE;
 354
 355     if (!(dc = DC_GetDCPtr( hdc )))
 356     {
 357         WIN_ReleaseWndPtr( wndPtr );
 358         return FALSE;
 359     }
 360
 361     if(flags & DCX_WINDOW)
 362     {
 363         dc->DCOrgX = wndPtr->rectWindow.left;
 364         dc->DCOrgY = wndPtr->rectWindow.top;
 365     }
 366     else
 367     {
 368         dc->DCOrgX = wndPtr->rectClient.left;
 369         dc->DCOrgY = wndPtr->rectClient.top;
 370     }
 371     updateVisRgn = (dc->flags & DC_DIRTY) != 0;
 372     GDI_ReleaseObj( hdc );
 373
 374     if (updateVisRgn)
 375     {
 376         if (flags & DCX_PARENTCLIP)
 377         {
 378             WND *parentPtr = WIN_FindWndPtr( wndPtr->parent );
 379
 380             if( wndPtr->dwStyle & WS_VISIBLE && !(parentPtr->dwStyle & WS_MINIMIZE) )
 381             {
 382                 DWORD dcxFlags;
 383
 384                 if( parentPtr->dwStyle & WS_CLIPSIBLINGS )
 385                     dcxFlags = DCX_CLIPSIBLINGS | (flags & ~(DCX_CLIPCHILDREN | DCX_WINDOW));
 386                 else
 387                     dcxFlags = flags & ~(DCX_CLIPSIBLINGS | DCX_CLIPCHILDREN | DCX_WINDOW);
 388
 389                 hrgnVisible = DCE_GetVisRgn( parentPtr->hwndSelf, dcxFlags,
 390                                              wndPtr->hwndSelf, flags );
 391                 if( flags & DCX_WINDOW )
 392                     OffsetRgn( hrgnVisible, -wndPtr->rectWindow.left,
 393                                -wndPtr->rectWindow.top );
 394                 else
 395                     OffsetRgn( hrgnVisible, -wndPtr->rectClient.left,
 396                                -wndPtr->rectClient.top );
 397                 DCE_OffsetVisRgn( hdc, hrgnVisible );
 398             }
 399             else
 400                 hrgnVisible = CreateRectRgn( 0, 0, 0, 0 );
 401             WIN_ReleaseWndPtr(parentPtr);
 402         }
 403         else
 404         {
 405             hrgnVisible = DCE_GetVisRgn( hwnd, flags, 0, 0 );
 406             DCE_OffsetVisRgn( hdc, hrgnVisible );
 407         }
 408         SelectVisRgn16( hdc, hrgnVisible );
 409     }
 410
 411     /* apply additional region operation (if any) */
 412
 413     if( flags & (DCX_EXCLUDERGN | DCX_INTERSECTRGN) )
 414     {
 415         if( !hrgnVisible ) hrgnVisible = CreateRectRgn( 0, 0, 0, 0 );
 416
 417         TRACE("\tsaved VisRgn, clipRgn = %04x\n", hrgn);
 418
 419         SaveVisRgn16( hdc );
 420         CombineRgn( hrgnVisible, hrgn, 0, RGN_COPY );
 421         DCE_OffsetVisRgn( hdc, hrgnVisible );
 422         CombineRgn( hrgnVisible, InquireVisRgn16( hdc ), hrgnVisible,
 423                       (flags & DCX_INTERSECTRGN) ? RGN_AND : RGN_DIFF );
 424         SelectVisRgn16( hdc, hrgnVisible );
 425     }
 426
 427     if (hrgnVisible) DeleteObject( hrgnVisible );
 428
 429     WIN_ReleaseWndPtr( wndPtr );
 430     return TRUE;
 431 }
 432
 433
 434 /***********************************************************************
 435  *              SetWindowPos   (TTYDRV.@)
 436  */
 437 BOOL TTYDRV_SetWindowPos( WINDOWPOS *winpos )
 438 {
 439     WND *wndPtr;
 440     RECT newWindowRect, newClientRect;
 441     BOOL retvalue;
 442     HWND hwndActive = GetForegroundWindow();
 443
 444     TRACE( "hwnd %04x, swp (%i,%i)-(%i,%i) flags %08x\n",
 445            winpos->hwnd, winpos->x, winpos->y,
 446            winpos->x + winpos->cx, winpos->y + winpos->cy, winpos->flags);
 447
 448     /* ------------------------------------------------------------------------ CHECKS */
 449
 450       /* Check window handle */
 451
 452     if (winpos->hwnd == GetDesktopWindow()) return FALSE;
 453     if (!(wndPtr = WIN_FindWndPtr( winpos->hwnd ))) return FALSE;
 454
 455     TRACE("\tcurrent (%i,%i)-(%i,%i), style %08x\n",
 456           wndPtr->rectWindow.left, wndPtr->rectWindow.top,
 457           wndPtr->rectWindow.right, wndPtr->rectWindow.bottom, (unsigned)wndPtr->dwStyle );
 458
 459     /* Fix redundant flags */
 460
 461     if(wndPtr->dwStyle & WS_VISIBLE)
 462         winpos->flags &= ~SWP_SHOWWINDOW;
 463     else
 464     {
 465         if (!(winpos->flags & SWP_SHOWWINDOW)) winpos->flags |= SWP_NOREDRAW;
 466         winpos->flags &= ~SWP_HIDEWINDOW;
 467     }
 468
 469     if ( winpos->cx < 0 ) winpos->cx = 0;
 470     if ( winpos->cy < 0 ) winpos->cy = 0;
 471
 472     if ((wndPtr->rectWindow.right - wndPtr->rectWindow.left == winpos->cx) &&
 473         (wndPtr->rectWindow.bottom - wndPtr->rectWindow.top == winpos->cy))
 474         winpos->flags |= SWP_NOSIZE;    /* Already the right size */
 475
 476     if ((wndPtr->rectWindow.left == winpos->x) && (wndPtr->rectWindow.top == winpos->y))
 477         winpos->flags |= SWP_NOMOVE;    /* Already the right position */
 478
 479     if (winpos->hwnd == hwndActive)
 480         winpos->flags |= SWP_NOACTIVATE;   /* Already active */
 481     else if ( (wndPtr->dwStyle & (WS_POPUP | WS_CHILD)) != WS_CHILD )
 482     {
 483         if(!(winpos->flags & SWP_NOACTIVATE)) /* Bring to the top when activating */
 484         {
 485             winpos->flags &= ~SWP_NOZORDER;
 486             winpos->hwndInsertAfter = HWND_TOP;
 487             goto Pos;
 488         }
 489     }
 490
 491     /* Check hwndInsertAfter */
 492
 493       /* FIXME: TOPMOST not supported yet */
 494     if ((winpos->hwndInsertAfter == HWND_TOPMOST) ||
 495         (winpos->hwndInsertAfter == HWND_NOTOPMOST)) winpos->hwndInsertAfter = HWND_TOP;
 496
 497     /* hwndInsertAfter must be a sibling of the window */
 498     if ((winpos->hwndInsertAfter != HWND_TOP) && (winpos->hwndInsertAfter != HWND_BOTTOM))
 499     {
 500         WND* wnd = WIN_FindWndPtr(winpos->hwndInsertAfter);
 501
 502         if( wnd ) {
 503             if( wnd->parent != wndPtr->parent )
 504             {
 505                 retvalue = FALSE;
 506                 WIN_ReleaseWndPtr(wnd);
 507                 goto END;
 508             }
 509             /* don't need to change the Zorder of hwnd if it's already inserted
 510              * after hwndInsertAfter or when inserting hwnd after itself.
 511              */
 512             if ((winpos->hwnd == winpos->hwndInsertAfter) ||
 513                 (winpos->hwnd == GetWindow( winpos->hwndInsertAfter, GW_HWNDNEXT )))
 514                 winpos->flags |= SWP_NOZORDER;
 515         }
 516         WIN_ReleaseWndPtr(wnd);
 517     }
 518
 519  Pos:  /* ------------------------------------------------------------------------ MAIN part */
 520
 521       /* Send WM_WINDOWPOSCHANGING message */
 522
 523     if (!(winpos->flags & SWP_NOSENDCHANGING))
 524         SendMessageA( wndPtr->hwndSelf, WM_WINDOWPOSCHANGING, 0, (LPARAM)winpos );
 525
 526       /* Calculate new position and size */
 527
 528     newWindowRect = wndPtr->rectWindow;
 529     newClientRect = (wndPtr->dwStyle & WS_MINIMIZE) ? wndPtr->rectWindow
 530                                                     : wndPtr->rectClient;
 531
 532     if (!(winpos->flags & SWP_NOSIZE))
 533     {
 534         newWindowRect.right  = newWindowRect.left + winpos->cx;
 535         newWindowRect.bottom = newWindowRect.top + winpos->cy;
 536     }
 537     if (!(winpos->flags & SWP_NOMOVE))
 538     {
 539         newWindowRect.left    = winpos->x;
 540         newWindowRect.top     = winpos->y;
 541         newWindowRect.right  += winpos->x - wndPtr->rectWindow.left;
 542         newWindowRect.bottom += winpos->y - wndPtr->rectWindow.top;
 543
 544         OffsetRect( &newClientRect, winpos->x - wndPtr->rectWindow.left,
 545                     winpos->y - wndPtr->rectWindow.top );
 546     }
 547
 548     if( winpos->hwndInsertAfter == HWND_TOP )
 549     {
 550         if (GetWindow( wndPtr->hwndSelf, GW_HWNDFIRST ) == wndPtr->hwndSelf)
 551             winpos->flags |= SWP_NOZORDER;
 552     }
 553     else
 554         if( winpos->hwndInsertAfter == HWND_BOTTOM )
 555         {
 556             if (!GetWindow( wndPtr->hwndSelf, GW_HWNDNEXT ))
 557                 winpos->flags |= SWP_NOZORDER;
 558         }
 559         else
 560             if( !(winpos->flags & SWP_NOZORDER) )
 561                 if( GetWindow(winpos->hwndInsertAfter, GW_HWNDNEXT) == wndPtr->hwndSelf )
 562                     winpos->flags |= SWP_NOZORDER;
 563
 564     /* Common operations */
 565
 566       /* Send WM_NCCALCSIZE message to get new client area */
 567     if( (winpos->flags & (SWP_FRAMECHANGED | SWP_NOSIZE)) != SWP_NOSIZE )
 568     {
 569         NCCALCSIZE_PARAMS params;
 570         WINDOWPOS winposCopy;
 571
 572         params.rgrc[0] = newWindowRect;
 573         params.rgrc[1] = wndPtr->rectWindow;
 574         params.rgrc[2] = wndPtr->rectClient;
 575         params.lppos = &winposCopy;
 576         winposCopy = *winpos;
 577
 578         SendMessageW( winpos->hwnd, WM_NCCALCSIZE, TRUE, (LPARAM)&params );
 579
 580         TRACE( "%d,%d-%d,%d\n", params.rgrc[0].left, params.rgrc[0].top,
 581                params.rgrc[0].right, params.rgrc[0].bottom );
 582
 583         /* If the application send back garbage, ignore it */
 584         if (params.rgrc[0].left <= params.rgrc[0].right &&
 585             params.rgrc[0].top <= params.rgrc[0].bottom)
 586             newClientRect = params.rgrc[0];
 587
 588          /* FIXME: WVR_ALIGNxxx */
 589
 590         if( newClientRect.left != wndPtr->rectClient.left ||
 591             newClientRect.top != wndPtr->rectClient.top )
 592             winpos->flags &= ~SWP_NOCLIENTMOVE;
 593
 594         if( (newClientRect.right - newClientRect.left !=
 595              wndPtr->rectClient.right - wndPtr->rectClient.left) ||
 596             (newClientRect.bottom - newClientRect.top !=
 597              wndPtr->rectClient.bottom - wndPtr->rectClient.top) )
 598             winpos->flags &= ~SWP_NOCLIENTSIZE;
 599     }
 600
 601     if(!(winpos->flags & SWP_NOZORDER) && winpos->hwnd != winpos->hwndInsertAfter)
 602     {
 603         HWND parent = GetAncestor( winpos->hwnd, GA_PARENT );
 604         if (parent) WIN_LinkWindow( winpos->hwnd, parent, winpos->hwndInsertAfter );
 605     }
 606
 607     /* FIXME: actually do something with WVR_VALIDRECTS */
 608
 609     WIN_SetRectangles( winpos->hwnd, &newWindowRect, &newClientRect );
 610
 611     if( winpos->flags & SWP_SHOWWINDOW )
 612         WIN_SetStyle( winpos->hwnd, wndPtr->dwStyle | WS_VISIBLE );
 613     else if( winpos->flags & SWP_HIDEWINDOW )
 614         WIN_SetStyle( winpos->hwnd, wndPtr->dwStyle & ~WS_VISIBLE );
 615
 616     /* ------------------------------------------------------------------------ FINAL */
 617
 618     /* repaint invalidated region (if any)
 619      *
 620      * FIXME: if SWP_NOACTIVATE is not set then set invalid regions here without any painting
 621      *        and force update after ChangeActiveWindow() to avoid painting frames twice.
 622      */
 623
 624     if( !(winpos->flags & SWP_NOREDRAW) )
 625     {
 626         RedrawWindow( wndPtr->parent, NULL, 0,
 627                       RDW_ERASE | RDW_INVALIDATE | RDW_ALLCHILDREN );
 628         if (wndPtr->parent == GetDesktopWindow())
 629             RedrawWindow( wndPtr->parent, NULL, 0,
 630                           RDW_ERASENOW | RDW_NOCHILDREN );
 631     }
 632
 633     if (!(winpos->flags & SWP_NOACTIVATE)) SetActiveWindow( winpos->hwnd );
 634
 635       /* And last, send the WM_WINDOWPOSCHANGED message */
 636
 637     TRACE("\tstatus flags = %04x\n", winpos->flags & SWP_AGG_STATUSFLAGS);
 638
 639     if ((((winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOPOSCHANGE) &&
 640           !(winpos->flags & SWP_NOSENDCHANGING)) )
 641         SendMessageA( winpos->hwnd, WM_WINDOWPOSCHANGED, 0, (LPARAM)winpos );
 642
 643     retvalue = TRUE;
 644  END:
 645     WIN_ReleaseWndPtr(wndPtr);
 646     return retvalue;
 647 }