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_LockWndPtr(wndPtr->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 BOOL DCE_AddClipRects( WND *pWndStart, WND *pWndEnd,
 179                               HRGN hrgnClip, LPRECT lpRect, int x, int y )
 180 {
 181     RECT rect;
 182
 183     for (WIN_LockWndPtr(pWndStart); (pWndStart && (pWndStart != pWndEnd)); WIN_UpdateWndPtr(&pWndStart,pWndStart->next))
 184     {
 185         if( !(pWndStart->dwStyle & WS_VISIBLE) ) continue;
 186
 187         rect.left = pWndStart->rectWindow.left + x;
 188         rect.top = pWndStart->rectWindow.top + y;
 189         rect.right = pWndStart->rectWindow.right + x;
 190         rect.bottom = pWndStart->rectWindow.bottom + y;
 191
 192         if( IntersectRect( &rect, &rect, lpRect ))
 193         {
 194             if(!REGION_UnionRectWithRgn( hrgnClip, &rect )) break;
 195         }
 196     }
 197     WIN_ReleaseWndPtr(pWndStart);
 198     return (pWndStart == pWndEnd);
 199 }
 200
 201
 202 /***********************************************************************
 203  *           DCE_GetVisRgn
 204  *
 205  * Return the visible region of a window, i.e. the client or window area
 206  * clipped by the client area of all ancestors, and then optionally
 207  * by siblings and children.
 208  */
 209 static HRGN DCE_GetVisRgn( HWND hwnd, WORD flags, HWND hwndChild, WORD cflags )
 210 {
 211     HRGN hrgnVis = 0;
 212     RECT rect;
 213     WND *wndPtr = WIN_FindWndPtr( hwnd );
 214     WND *childWnd = WIN_FindWndPtr( hwndChild );
 215
 216     /* Get visible rectangle and create a region with it. */
 217
 218     if (wndPtr && DCE_GetVisRect(wndPtr, !(flags & DCX_WINDOW), &rect))
 219     {
 220         if((hrgnVis = CreateRectRgnIndirect( &rect )))
 221         {
 222             HRGN hrgnClip = CreateRectRgn( 0, 0, 0, 0 );
 223             INT xoffset, yoffset;
 224
 225             if( hrgnClip )
 226             {
 227                 /* Compute obscured region for the visible rectangle by
 228                  * clipping children, siblings, and ancestors. Note that
 229                  * DCE_GetVisRect() returns a rectangle either in client
 230                  * or in window coordinates (for DCX_WINDOW request). */
 231
 232                 if( (flags & DCX_CLIPCHILDREN) && wndPtr->child )
 233                 {
 234                     if( flags & DCX_WINDOW )
 235                     {
 236                         /* adjust offsets since child window rectangles are
 237                          * in client coordinates */
 238
 239                         xoffset = wndPtr->rectClient.left - wndPtr->rectWindow.left;
 240                         yoffset = wndPtr->rectClient.top - wndPtr->rectWindow.top;
 241                     }
 242                     else
 243                         xoffset = yoffset = 0;
 244
 245                     DCE_AddClipRects( wndPtr->child, NULL, hrgnClip, &rect, xoffset, yoffset );
 246                 }
 247
 248                 /* We may need to clip children of child window, if a window with PARENTDC
 249                  * class style and CLIPCHILDREN window style (like in Free Agent 16
 250                  * preference dialogs) gets here, we take the region for the parent window
 251                  * but apparently still need to clip the children of the child window... */
 252
 253                 if( (cflags & DCX_CLIPCHILDREN) && childWnd && childWnd->child )
 254                 {
 255                     if( flags & DCX_WINDOW )
 256                     {
 257                         /* adjust offsets since child window rectangles are
 258                          * in client coordinates */
 259
 260                         xoffset = wndPtr->rectClient.left - wndPtr->rectWindow.left;
 261                         yoffset = wndPtr->rectClient.top - wndPtr->rectWindow.top;
 262                     }
 263                     else
 264                         xoffset = yoffset = 0;
 265
 266                     /* client coordinates of child window */
 267                     xoffset += childWnd->rectClient.left;
 268                     yoffset += childWnd->rectClient.top;
 269
 270                     DCE_AddClipRects( childWnd->child, NULL, hrgnClip,
 271                                       &rect, xoffset, yoffset );
 272                 }
 273
 274                 /* sibling window rectangles are in client
 275                  * coordinates of the parent window */
 276
 277                 if (flags & DCX_WINDOW)
 278                 {
 279                     xoffset = -wndPtr->rectWindow.left;
 280                     yoffset = -wndPtr->rectWindow.top;
 281                 }
 282                 else
 283                 {
 284                     xoffset = -wndPtr->rectClient.left;
 285                     yoffset = -wndPtr->rectClient.top;
 286                 }
 287
 288                 if (flags & DCX_CLIPSIBLINGS && wndPtr->parent )
 289                     DCE_AddClipRects( wndPtr->parent->child,
 290                                       wndPtr, hrgnClip, &rect, xoffset, yoffset );
 291
 292                 /* Clip siblings of all ancestors that have the
 293                  * WS_CLIPSIBLINGS style
 294                  */
 295
 296                 while (wndPtr->parent)
 297                 {
 298                     WIN_UpdateWndPtr(&wndPtr,wndPtr->parent);
 299                     xoffset -= wndPtr->rectClient.left;
 300                     yoffset -= wndPtr->rectClient.top;
 301                     if(wndPtr->dwStyle & WS_CLIPSIBLINGS && wndPtr->parent)
 302                     {
 303                         DCE_AddClipRects( wndPtr->parent->child, wndPtr,
 304                                           hrgnClip, &rect, xoffset, yoffset );
 305                     }
 306                 }
 307
 308                 /* Now once we've got a jumbo clip region we have
 309                  * to substract it from the visible rectangle.
 310                  */
 311                 CombineRgn( hrgnVis, hrgnVis, hrgnClip, RGN_DIFF );
 312                 DeleteObject( hrgnClip );
 313             }
 314             else
 315             {
 316                 DeleteObject( hrgnVis );
 317                 hrgnVis = 0;
 318             }
 319         }
 320     }
 321     else
 322         hrgnVis = CreateRectRgn(0, 0, 0, 0); /* empty */
 323     WIN_ReleaseWndPtr(wndPtr);
 324     WIN_ReleaseWndPtr(childWnd);
 325     return hrgnVis;
 326 }
 327
 328
 329 /***********************************************************************
 330  *              GetDC   (TTYDRV.@)
 331  *
 332  * Set the drawable, origin and dimensions for the DC associated to
 333  * a given window.
 334  */
 335 BOOL TTYDRV_GetDC( HWND hwnd, HDC hdc, HRGN hrgn, DWORD flags )
 336 {
 337     WND *wndPtr = WIN_FindWndPtr(hwnd);
 338     DC *dc;
 339     BOOL updateVisRgn;
 340     HRGN hrgnVisible = 0;
 341
 342     if (!wndPtr) return FALSE;
 343
 344     if (!(dc = DC_GetDCPtr( hdc )))
 345     {
 346         WIN_ReleaseWndPtr( wndPtr );
 347         return FALSE;
 348     }
 349
 350     if(flags & DCX_WINDOW)
 351     {
 352         dc->DCOrgX = wndPtr->rectWindow.left;
 353         dc->DCOrgY = wndPtr->rectWindow.top;
 354     }
 355     else
 356     {
 357         dc->DCOrgX = wndPtr->rectClient.left;
 358         dc->DCOrgY = wndPtr->rectClient.top;
 359     }
 360     updateVisRgn = (dc->flags & DC_DIRTY) != 0;
 361     GDI_ReleaseObj( hdc );
 362
 363     if (updateVisRgn)
 364     {
 365         if (flags & DCX_PARENTCLIP)
 366         {
 367             WND *parentPtr = WIN_LockWndPtr(wndPtr->parent);
 368
 369             if( wndPtr->dwStyle & WS_VISIBLE && !(parentPtr->dwStyle & WS_MINIMIZE) )
 370             {
 371                 DWORD dcxFlags;
 372
 373                 if( parentPtr->dwStyle & WS_CLIPSIBLINGS )
 374                     dcxFlags = DCX_CLIPSIBLINGS | (flags & ~(DCX_CLIPCHILDREN | DCX_WINDOW));
 375                 else
 376                     dcxFlags = flags & ~(DCX_CLIPSIBLINGS | DCX_CLIPCHILDREN | DCX_WINDOW);
 377
 378                 hrgnVisible = DCE_GetVisRgn( parentPtr->hwndSelf, dcxFlags,
 379                                              wndPtr->hwndSelf, flags );
 380                 if( flags & DCX_WINDOW )
 381                     OffsetRgn( hrgnVisible, -wndPtr->rectWindow.left,
 382                                -wndPtr->rectWindow.top );
 383                 else
 384                     OffsetRgn( hrgnVisible, -wndPtr->rectClient.left,
 385                                -wndPtr->rectClient.top );
 386                 DCE_OffsetVisRgn( hdc, hrgnVisible );
 387             }
 388             else
 389                 hrgnVisible = CreateRectRgn( 0, 0, 0, 0 );
 390             WIN_ReleaseWndPtr(parentPtr);
 391         }
 392         else
 393         {
 394             hrgnVisible = DCE_GetVisRgn( hwnd, flags, 0, 0 );
 395             DCE_OffsetVisRgn( hdc, hrgnVisible );
 396         }
 397         SelectVisRgn16( hdc, hrgnVisible );
 398     }
 399
 400     /* apply additional region operation (if any) */
 401
 402     if( flags & (DCX_EXCLUDERGN | DCX_INTERSECTRGN) )
 403     {
 404         if( !hrgnVisible ) hrgnVisible = CreateRectRgn( 0, 0, 0, 0 );
 405
 406         TRACE("\tsaved VisRgn, clipRgn = %04x\n", hrgn);
 407
 408         SaveVisRgn16( hdc );
 409         CombineRgn( hrgnVisible, hrgn, 0, RGN_COPY );
 410         DCE_OffsetVisRgn( hdc, hrgnVisible );
 411         CombineRgn( hrgnVisible, InquireVisRgn16( hdc ), hrgnVisible,
 412                       (flags & DCX_INTERSECTRGN) ? RGN_AND : RGN_DIFF );
 413         SelectVisRgn16( hdc, hrgnVisible );
 414     }
 415
 416     if (hrgnVisible) DeleteObject( hrgnVisible );
 417
 418     WIN_ReleaseWndPtr( wndPtr );
 419     return TRUE;
 420 }
 421
 422
 423 /***********************************************************************
 424  *              SetWindowPos   (TTYDRV.@)
 425  */
 426 BOOL TTYDRV_SetWindowPos( WINDOWPOS *winpos )
 427 {
 428     WND *wndPtr;
 429     RECT newWindowRect, newClientRect;
 430     BOOL retvalue;
 431     HWND hwndActive = GetForegroundWindow();
 432
 433     TRACE( "hwnd %04x, swp (%i,%i)-(%i,%i) flags %08x\n",
 434            winpos->hwnd, winpos->x, winpos->y,
 435            winpos->x + winpos->cx, winpos->y + winpos->cy, winpos->flags);
 436
 437     /* ------------------------------------------------------------------------ CHECKS */
 438
 439       /* Check window handle */
 440
 441     if (winpos->hwnd == GetDesktopWindow()) return FALSE;
 442     if (!(wndPtr = WIN_FindWndPtr( winpos->hwnd ))) return FALSE;
 443
 444     TRACE("\tcurrent (%i,%i)-(%i,%i), style %08x\n",
 445           wndPtr->rectWindow.left, wndPtr->rectWindow.top,
 446           wndPtr->rectWindow.right, wndPtr->rectWindow.bottom, (unsigned)wndPtr->dwStyle );
 447
 448     /* Fix redundant flags */
 449
 450     if(wndPtr->dwStyle & WS_VISIBLE)
 451         winpos->flags &= ~SWP_SHOWWINDOW;
 452     else
 453     {
 454         if (!(winpos->flags & SWP_SHOWWINDOW)) winpos->flags |= SWP_NOREDRAW;
 455         winpos->flags &= ~SWP_HIDEWINDOW;
 456     }
 457
 458     if ( winpos->cx < 0 ) winpos->cx = 0;
 459     if ( winpos->cy < 0 ) winpos->cy = 0;
 460
 461     if ((wndPtr->rectWindow.right - wndPtr->rectWindow.left == winpos->cx) &&
 462         (wndPtr->rectWindow.bottom - wndPtr->rectWindow.top == winpos->cy))
 463         winpos->flags |= SWP_NOSIZE;    /* Already the right size */
 464
 465     if ((wndPtr->rectWindow.left == winpos->x) && (wndPtr->rectWindow.top == winpos->y))
 466         winpos->flags |= SWP_NOMOVE;    /* Already the right position */
 467
 468     if (winpos->hwnd == hwndActive)
 469         winpos->flags |= SWP_NOACTIVATE;   /* Already active */
 470     else if ( (wndPtr->dwStyle & (WS_POPUP | WS_CHILD)) != WS_CHILD )
 471     {
 472         if(!(winpos->flags & SWP_NOACTIVATE)) /* Bring to the top when activating */
 473         {
 474             winpos->flags &= ~SWP_NOZORDER;
 475             winpos->hwndInsertAfter = HWND_TOP;
 476             goto Pos;
 477         }
 478     }
 479
 480     /* Check hwndInsertAfter */
 481
 482       /* FIXME: TOPMOST not supported yet */
 483     if ((winpos->hwndInsertAfter == HWND_TOPMOST) ||
 484         (winpos->hwndInsertAfter == HWND_NOTOPMOST)) winpos->hwndInsertAfter = HWND_TOP;
 485
 486     /* hwndInsertAfter must be a sibling of the window */
 487     if ((winpos->hwndInsertAfter != HWND_TOP) && (winpos->hwndInsertAfter != HWND_BOTTOM))
 488     {
 489         WND* wnd = WIN_FindWndPtr(winpos->hwndInsertAfter);
 490
 491         if( wnd ) {
 492             if( wnd->parent != wndPtr->parent )
 493             {
 494                 retvalue = FALSE;
 495                 WIN_ReleaseWndPtr(wnd);
 496                 goto END;
 497             }
 498             /* don't need to change the Zorder of hwnd if it's already inserted
 499              * after hwndInsertAfter or when inserting hwnd after itself.
 500              */
 501             if(( wnd->next == wndPtr ) || (winpos->hwnd == winpos->hwndInsertAfter))
 502                 winpos->flags |= SWP_NOZORDER;
 503         }
 504         WIN_ReleaseWndPtr(wnd);
 505     }
 506
 507  Pos:  /* ------------------------------------------------------------------------ MAIN part */
 508
 509       /* Send WM_WINDOWPOSCHANGING message */
 510
 511     if (!(winpos->flags & SWP_NOSENDCHANGING))
 512         SendMessageA( wndPtr->hwndSelf, WM_WINDOWPOSCHANGING, 0, (LPARAM)winpos );
 513
 514       /* Calculate new position and size */
 515
 516     newWindowRect = wndPtr->rectWindow;
 517     newClientRect = (wndPtr->dwStyle & WS_MINIMIZE) ? wndPtr->rectWindow
 518                                                     : wndPtr->rectClient;
 519
 520     if (!(winpos->flags & SWP_NOSIZE))
 521     {
 522         newWindowRect.right  = newWindowRect.left + winpos->cx;
 523         newWindowRect.bottom = newWindowRect.top + winpos->cy;
 524     }
 525     if (!(winpos->flags & SWP_NOMOVE))
 526     {
 527         newWindowRect.left    = winpos->x;
 528         newWindowRect.top     = winpos->y;
 529         newWindowRect.right  += winpos->x - wndPtr->rectWindow.left;
 530         newWindowRect.bottom += winpos->y - wndPtr->rectWindow.top;
 531
 532         OffsetRect( &newClientRect, winpos->x - wndPtr->rectWindow.left,
 533                     winpos->y - wndPtr->rectWindow.top );
 534     }
 535
 536     if( winpos->hwndInsertAfter == HWND_TOP )
 537         winpos->flags |= ( wndPtr->parent->child == wndPtr)? SWP_NOZORDER: 0;
 538     else
 539         if( winpos->hwndInsertAfter == HWND_BOTTOM )
 540             winpos->flags |= ( wndPtr->next )? 0: SWP_NOZORDER;
 541         else
 542             if( !(winpos->flags & SWP_NOZORDER) )
 543                 if( GetWindow(winpos->hwndInsertAfter, GW_HWNDNEXT) == wndPtr->hwndSelf )
 544                     winpos->flags |= SWP_NOZORDER;
 545
 546     /* Common operations */
 547
 548       /* Send WM_NCCALCSIZE message to get new client area */
 549     if( (winpos->flags & (SWP_FRAMECHANGED | SWP_NOSIZE)) != SWP_NOSIZE )
 550     {
 551          WINPOS_SendNCCalcSize( winpos->hwnd, TRUE, &newWindowRect,
 552                                 &wndPtr->rectWindow, &wndPtr->rectClient,
 553                                 winpos, &newClientRect );
 554     }
 555
 556     if(!(winpos->flags & SWP_NOZORDER) && winpos->hwnd != winpos->hwndInsertAfter)
 557     {
 558         if ( WIN_UnlinkWindow( winpos->hwnd ) )
 559             WIN_LinkWindow( winpos->hwnd, winpos->hwndInsertAfter );
 560     }
 561
 562     /* FIXME: actually do something with WVR_VALIDRECTS */
 563
 564     wndPtr->rectWindow = newWindowRect;
 565     wndPtr->rectClient = newClientRect;
 566
 567     if( winpos->flags & SWP_SHOWWINDOW )
 568     {
 569         wndPtr->dwStyle |= WS_VISIBLE;
 570     }
 571     else if( winpos->flags & SWP_HIDEWINDOW )
 572     {
 573         wndPtr->dwStyle &= ~WS_VISIBLE;
 574     }
 575
 576     /* ------------------------------------------------------------------------ FINAL */
 577
 578     /* repaint invalidated region (if any)
 579      *
 580      * FIXME: if SWP_NOACTIVATE is not set then set invalid regions here without any painting
 581      *        and force update after ChangeActiveWindow() to avoid painting frames twice.
 582      */
 583
 584     if( !(winpos->flags & SWP_NOREDRAW) )
 585     {
 586         RedrawWindow( wndPtr->parent->hwndSelf, NULL, 0,
 587                       RDW_ERASE | RDW_INVALIDATE | RDW_ALLCHILDREN );
 588         if (wndPtr->parent->hwndSelf == GetDesktopWindow() ||
 589             wndPtr->parent->parent->hwndSelf == GetDesktopWindow())
 590         {
 591             RedrawWindow( wndPtr->parent->hwndSelf, NULL, 0,
 592                           RDW_ERASENOW | RDW_NOCHILDREN );
 593         }
 594     }
 595
 596     if (!(winpos->flags & SWP_NOACTIVATE))
 597         WINPOS_ChangeActiveWindow( winpos->hwnd, FALSE );
 598
 599       /* And last, send the WM_WINDOWPOSCHANGED message */
 600
 601     TRACE("\tstatus flags = %04x\n", winpos->flags & SWP_AGG_STATUSFLAGS);
 602
 603     if ((((winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOPOSCHANGE) &&
 604           !(winpos->flags & SWP_NOSENDCHANGING)) )
 605         SendMessageA( winpos->hwnd, WM_WINDOWPOSCHANGED, 0, (LPARAM)winpos );
 606
 607     retvalue = TRUE;
 608  END:
 609     WIN_ReleaseWndPtr(wndPtr);
 610     return retvalue;
 611 }