windows/winpos.c

   1 /*
   2  * Window position related functions.
   3  *
   4  * Copyright 1993, 1994, 1995 Alexandre Julliard
   5  *                       1995,1996 Alex Korobka
   6  */
   7
   8 #include <X11/Xlib.h>
   9 #include <X11/Xutil.h>
  10 #include <X11/Xatom.h>
  11 #include "sysmetrics.h"
  12 #include "heap.h"
  13 #include "module.h"
  14 #include "user.h"
  15 #include "win.h"
  16 #include "hook.h"
  17 #include "message.h"
  18 #include "queue.h"
  19 #include "options.h"
  20 #include "winpos.h"
  21 #include "dce.h"
  22 #include "nonclient.h"
  23 #include "stddebug.h"
  24 /* #define DEBUG_WIN */
  25 #include "debug.h"
  26
  27 #define  SWP_AGG_NOGEOMETRYCHANGE \
  28     (SWP_NOSIZE | SWP_NOMOVE | SWP_NOCLIENTSIZE | SWP_NOCLIENTMOVE)
  29 #define  SWP_AGG_NOPOSCHANGE \
  30     (SWP_AGG_NOGEOMETRYCHANGE | SWP_NOZORDER)
  31 #define  SWP_AGG_STATUSFLAGS \
  32     (SWP_AGG_NOPOSCHANGE | SWP_FRAMECHANGED | SWP_HIDEWINDOW | SWP_SHOWWINDOW)
  33
  34 #define SMC_NOCOPY              0x0001
  35 #define SMC_NOPARENTERASE       0x0002
  36 #define SMC_DRAWFRAME           0x0004
  37 #define SMC_SETXPOS             0x0008
  38
  39 /* ----- external functions ----- */
  40
  41 extern void     FOCUS_SwitchFocus( HWND , HWND );
  42 extern HRGN32   DCE_GetVisRgn( HWND, WORD );
  43 extern HWND     CARET_GetHwnd();
  44 extern BOOL     DCE_InvalidateDCE(WND*, RECT16* );
  45
  46 /* ----- internal variables ----- */
  47
  48 static HWND hwndActive      = 0;  /* Currently active window */
  49 static HWND hwndPrevActive  = 0;  /* Previously active window */
  50
  51 extern MESSAGEQUEUE* pActiveQueue;
  52
  53 /***********************************************************************
  54  *           WINPOS_CheckActive
  55  */
  56 void WINPOS_CheckActive( HWND32 hwnd )
  57 {
  58   if( hwnd == hwndPrevActive ) hwndPrevActive = 0;
  59   if( hwnd == hwndActive )
  60   {
  61       hwndActive = 0;
  62       dprintf_win(stddeb,"\tattempt to activate destroyed window!\n");
  63   }
  64 }
  65
  66 /***********************************************************************
  67  *           WINPOS_FindIconPos
  68  *
  69  * Find a suitable place for an iconic window.
  70  * The new position is stored into wndPtr->ptIconPos.
  71  */
  72 void WINPOS_FindIconPos( HWND32 hwnd )
  73 {
  74     RECT16 rectParent;
  75     short x, y, xspacing, yspacing;
  76     WND * wndPtr = WIN_FindWndPtr( hwnd );
  77
  78     if (!wndPtr || !wndPtr->parent) return;
  79     GetClientRect16( wndPtr->parent->hwndSelf, &rectParent );
  80     if ((wndPtr->ptIconPos.x >= rectParent.left) &&
  81         (wndPtr->ptIconPos.x + SYSMETRICS_CXICON < rectParent.right) &&
  82         (wndPtr->ptIconPos.y >= rectParent.top) &&
  83         (wndPtr->ptIconPos.y + SYSMETRICS_CYICON < rectParent.bottom))
  84         return;  /* The icon already has a suitable position */
  85
  86     xspacing = yspacing = 70;  /* FIXME: This should come from WIN.INI */
  87     y = rectParent.bottom;
  88     for (;;)
  89     {
  90         for (x = rectParent.left; x<=rectParent.right-xspacing; x += xspacing)
  91         {
  92               /* Check if another icon already occupies this spot */
  93             WND *childPtr = wndPtr->parent->child;
  94             while (childPtr)
  95             {
  96                 if ((childPtr->dwStyle & WS_MINIMIZE) && (childPtr != wndPtr))
  97                 {
  98                     if ((childPtr->rectWindow.left < x + xspacing) &&
  99                         (childPtr->rectWindow.right >= x) &&
 100                         (childPtr->rectWindow.top <= y) &&
 101                         (childPtr->rectWindow.bottom > y - yspacing))
 102                         break;  /* There's a window in there */
 103                 }
 104                 childPtr = childPtr->next;
 105             }
 106             if (!childPtr)
 107             {
 108                   /* No window was found, so it's OK for us */
 109                 wndPtr->ptIconPos.x = x + (xspacing - SYSMETRICS_CXICON) / 2;
 110                 wndPtr->ptIconPos.y = y - (yspacing + SYSMETRICS_CYICON) / 2;
 111                 return;
 112             }
 113         }
 114         y -= yspacing;
 115     }
 116 }
 117
 118
 119 /***********************************************************************
 120  *           ArrangeIconicWindows   (USER.170)
 121  */
 122 UINT ArrangeIconicWindows( HWND parent )
 123 {
 124     RECT16 rectParent;
 125     HWND hwndChild;
 126     INT x, y, xspacing, yspacing;
 127
 128     GetClientRect16( parent, &rectParent );
 129     x = rectParent.left;
 130     y = rectParent.bottom;
 131     xspacing = yspacing = 70;  /* FIXME: This should come from WIN.INI */
 132     hwndChild = GetWindow( parent, GW_CHILD );
 133     while (hwndChild)
 134     {
 135         if (IsIconic( hwndChild ))
 136         {
 137             SetWindowPos( hwndChild, 0, x + (xspacing - SYSMETRICS_CXICON) / 2,
 138                           y - (yspacing + SYSMETRICS_CYICON) / 2, 0, 0,
 139                           SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
 140             if (x <= rectParent.right - xspacing) x += xspacing;
 141             else
 142             {
 143                 x = rectParent.left;
 144                 y -= yspacing;
 145             }
 146         }
 147         hwndChild = GetWindow( hwndChild, GW_HWNDNEXT );
 148     }
 149     return yspacing;
 150 }
 151
 152
 153 /***********************************************************************
 154  *           GetWindowRect16   (USER.32)
 155  */
 156 void GetWindowRect16( HWND16 hwnd, LPRECT16 rect )
 157 {
 158     WND * wndPtr = WIN_FindWndPtr( hwnd );
 159     if (!wndPtr) return;
 160
 161     *rect = wndPtr->rectWindow;
 162     if (wndPtr->dwStyle & WS_CHILD)
 163         MapWindowPoints16( wndPtr->parent->hwndSelf, 0, (POINT16 *)rect, 2 );
 164 }
 165
 166
 167 /***********************************************************************
 168  *           GetWindowRect32   (USER.32)
 169  */
 170 void GetWindowRect32( HWND32 hwnd, LPRECT32 rect )
 171 {
 172     WND * wndPtr = WIN_FindWndPtr( hwnd );
 173     if (!wndPtr) return;
 174
 175     CONV_RECT16TO32( &wndPtr->rectWindow, rect );
 176     if (wndPtr->dwStyle & WS_CHILD)
 177         MapWindowPoints32( wndPtr->parent->hwndSelf, 0, (POINT32 *)rect, 2 );
 178 }
 179
 180
 181 /***********************************************************************
 182  *           GetClientRect16   (USER.33)
 183  */
 184 void GetClientRect16( HWND16 hwnd, LPRECT16 rect )
 185 {
 186     WND * wndPtr = WIN_FindWndPtr( hwnd );
 187
 188     rect->left = rect->top = rect->right = rect->bottom = 0;
 189     if (wndPtr)
 190     {
 191         rect->right  = wndPtr->rectClient.right - wndPtr->rectClient.left;
 192         rect->bottom = wndPtr->rectClient.bottom - wndPtr->rectClient.top;
 193     }
 194 }
 195
 196
 197 /***********************************************************************
 198  *           GetClientRect32   (USER32.219)
 199  */
 200 void GetClientRect32( HWND32 hwnd, LPRECT32 rect )
 201 {
 202     WND * wndPtr = WIN_FindWndPtr( hwnd );
 203
 204     rect->left = rect->top = rect->right = rect->bottom = 0;
 205     if (wndPtr)
 206     {
 207         rect->right  = wndPtr->rectClient.right - wndPtr->rectClient.left;
 208         rect->bottom = wndPtr->rectClient.bottom - wndPtr->rectClient.top;
 209     }
 210 }
 211
 212
 213 /*******************************************************************
 214  *         ClientToScreen16   (USER.28)
 215  */
 216 BOOL16 ClientToScreen16( HWND16 hwnd, LPPOINT16 lppnt )
 217 {
 218     MapWindowPoints16( hwnd, 0, lppnt, 1 );
 219     return TRUE;
 220 }
 221
 222
 223 /*******************************************************************
 224  *         ClientToScreen32   (USER32.51)
 225  */
 226 BOOL32 ClientToScreen32( HWND32 hwnd, LPPOINT32 lppnt )
 227 {
 228     MapWindowPoints32( hwnd, 0, lppnt, 1 );
 229     return TRUE;
 230 }
 231
 232
 233 /*******************************************************************
 234  *         ScreenToClient16   (USER.29)
 235  */
 236 void ScreenToClient16( HWND16 hwnd, LPPOINT16 lppnt )
 237 {
 238     MapWindowPoints16( 0, hwnd, lppnt, 1 );
 239 }
 240
 241
 242 /*******************************************************************
 243  *         ScreenToClient32   (USER32.446)
 244  */
 245 void ScreenToClient32( HWND32 hwnd, LPPOINT32 lppnt )
 246 {
 247     MapWindowPoints32( 0, hwnd, lppnt, 1 );
 248 }
 249
 250
 251 /***********************************************************************
 252  *           WINPOS_WindowFromPoint
 253  *
 254  * Find the window and hittest for a given point.
 255  */
 256 INT16 WINPOS_WindowFromPoint( POINT16 pt, WND **ppWnd )
 257 {
 258     WND *wndPtr;
 259     INT16 hittest = HTERROR;
 260     INT16 x, y;
 261
 262     *ppWnd = NULL;
 263     x = pt.x;
 264     y = pt.y;
 265     wndPtr = WIN_GetDesktop()->child;
 266     for (;;)
 267     {
 268         while (wndPtr)
 269         {
 270             /* If point is in window, and window is visible, and it  */
 271             /* is enabled (or it's a top-level window), then explore */
 272             /* its children. Otherwise, go to the next window.       */
 273
 274             if ((wndPtr->dwStyle & WS_VISIBLE) &&
 275                 (!(wndPtr->dwStyle & WS_DISABLED) ||
 276                  ((wndPtr->dwStyle & (WS_POPUP | WS_CHILD)) != WS_CHILD)) &&
 277                 (x >= wndPtr->rectWindow.left) &&
 278                 (x < wndPtr->rectWindow.right) &&
 279                 (y >= wndPtr->rectWindow.top) &&
 280                 (y < wndPtr->rectWindow.bottom))
 281             {
 282                 *ppWnd = wndPtr;  /* Got a suitable window */
 283
 284                 /* If window is minimized or disabled, return at once */
 285                 if (wndPtr->dwStyle & WS_MINIMIZE) return HTCAPTION;
 286                 if (wndPtr->dwStyle & WS_DISABLED) return HTERROR;
 287
 288                 /* If point is not in client area, ignore the children */
 289                 if ((x < wndPtr->rectClient.left) ||
 290                     (x >= wndPtr->rectClient.right) ||
 291                     (y < wndPtr->rectClient.top) ||
 292                     (y >= wndPtr->rectClient.bottom)) break;
 293
 294                 x -= wndPtr->rectClient.left;
 295                 y -= wndPtr->rectClient.top;
 296                 wndPtr = wndPtr->child;
 297             }
 298             else wndPtr = wndPtr->next;
 299         }
 300
 301         /* If nothing found, return the desktop window */
 302         if (!*ppWnd)
 303         {
 304             *ppWnd = WIN_GetDesktop();
 305             return HTCLIENT;
 306         }
 307
 308         /* Send the WM_NCHITTEST message (only if to the same task) */
 309         if ((*ppWnd)->hmemTaskQ != GetTaskQueue(0)) return HTCLIENT;
 310         hittest = (INT)SendMessage16( (*ppWnd)->hwndSelf, WM_NCHITTEST, 0,
 311                                     MAKELONG( pt.x, pt.y ) );
 312         if (hittest != HTTRANSPARENT) return hittest;  /* Found the window */
 313
 314         /* If no children found in last search, make point relative to parent*/
 315         if (!wndPtr)
 316         {
 317             x += (*ppWnd)->rectClient.left;
 318             y += (*ppWnd)->rectClient.top;
 319         }
 320
 321         /* Restart the search from the next sibling */
 322         wndPtr = (*ppWnd)->next;
 323         *ppWnd = (*ppWnd)->parent;
 324     }
 325 }
 326
 327
 328 /*******************************************************************
 329  *         WindowFromPoint16   (USER.30)
 330  */
 331 HWND16  WindowFromPoint16( POINT16 pt )
 332 {
 333     WND *pWnd;
 334     WINPOS_WindowFromPoint( pt, &pWnd );
 335     return pWnd->hwndSelf;
 336 }
 337
 338
 339 /*******************************************************************
 340  *         WindowFromPoint32   (USER32.581)
 341  */
 342 HWND32 WindowFromPoint32( POINT32 pt )
 343 {
 344     WND *pWnd;
 345     POINT16 pt16;
 346     CONV_POINT32TO16( &pt, &pt16 );
 347     WINPOS_WindowFromPoint( pt16, &pWnd );
 348     return (HWND32)pWnd->hwndSelf;
 349 }
 350
 351
 352 /*******************************************************************
 353  *         ChildWindowFromPoint16   (USER.191)
 354  */
 355 HWND16 ChildWindowFromPoint16( HWND16 hwndParent, POINT16 pt )
 356 {
 357     /* pt is in the client coordinates */
 358
 359     WND* wnd = WIN_FindWndPtr(hwndParent);
 360     RECT16 rect;
 361
 362     if( !wnd ) return 0;
 363
 364     /* get client rect fast */
 365     rect.top = rect.left = 0;
 366     rect.right = wnd->rectClient.right - wnd->rectClient.left;
 367     rect.bottom = wnd->rectClient.bottom - wnd->rectClient.top;
 368
 369     if (!PtInRect16( &rect, pt )) return 0;
 370
 371     wnd = wnd->child;
 372     while ( wnd )
 373     {
 374         if (PtInRect16( &wnd->rectWindow, pt )) return wnd->hwndSelf;
 375         wnd = wnd->next;
 376     }
 377     return hwndParent;
 378 }
 379
 380
 381 /*******************************************************************
 382  *         ChildWindowFromPoint32   (USER32.)
 383  */
 384 HWND32 ChildWindowFromPoint32( HWND32 hwndParent, POINT32 pt )
 385 {
 386     POINT16 pt16;
 387     CONV_POINT32TO16( &pt, &pt16 );
 388     return (HWND32)ChildWindowFromPoint16( hwndParent, pt16 );
 389 }
 390
 391
 392 /*******************************************************************
 393  *         WINPOS_GetWinOffset
 394  *
 395  * Calculate the offset between the origin of the two windows. Used
 396  * to implement MapWindowPoints.
 397  */
 398 static void WINPOS_GetWinOffset( HWND32 hwndFrom, HWND32 hwndTo,
 399                                  POINT32 *offset )
 400 {
 401     WND * wndPtr;
 402
 403     offset->x = offset->y = 0;
 404     if (hwndFrom == hwndTo ) return;
 405
 406       /* Translate source window origin to screen coords */
 407     if (hwndFrom)
 408     {
 409         if (!(wndPtr = WIN_FindWndPtr( hwndFrom )))
 410         {
 411             fprintf(stderr,"MapWindowPoints: bad hwndFrom = %04x\n",hwndFrom);
 412             return;
 413         }
 414         while (wndPtr->parent)
 415         {
 416             offset->x += wndPtr->rectClient.left;
 417             offset->y += wndPtr->rectClient.top;
 418             wndPtr = wndPtr->parent;
 419         }
 420     }
 421
 422       /* Translate origin to destination window coords */
 423     if (hwndTo)
 424     {
 425         if (!(wndPtr = WIN_FindWndPtr( hwndTo )))
 426         {
 427             fprintf(stderr,"MapWindowPoints: bad hwndTo = %04x\n", hwndTo );
 428             return;
 429         }
 430         while (wndPtr->parent)
 431         {
 432             offset->x -= wndPtr->rectClient.left;
 433             offset->y -= wndPtr->rectClient.top;
 434             wndPtr = wndPtr->parent;
 435         }
 436     }
 437 }
 438
 439
 440 /*******************************************************************
 441  *         MapWindowPoints16   (USER.258)
 442  */
 443 void MapWindowPoints16( HWND16 hwndFrom, HWND16 hwndTo,
 444                         LPPOINT16 lppt, UINT16 count )
 445 {
 446     POINT32 offset;
 447
 448     WINPOS_GetWinOffset( hwndFrom, hwndTo, &offset );
 449     while (count--)
 450     {
 451         lppt->x += offset.x;
 452         lppt->y += offset.y;
 453         lppt++;
 454     }
 455 }
 456
 457
 458 /*******************************************************************
 459  *         MapWindowPoints32   (USER32.385)
 460  */
 461 void MapWindowPoints32( HWND32 hwndFrom, HWND32 hwndTo,
 462                         LPPOINT32 lppt, UINT32 count )
 463 {
 464     POINT32 offset;
 465
 466     WINPOS_GetWinOffset( hwndFrom, hwndTo, &offset );
 467     while (count--)
 468     {
 469         lppt->x += offset.x;
 470         lppt->y += offset.y;
 471         lppt++;
 472     }
 473 }
 474
 475
 476 /***********************************************************************
 477  *           IsIconic   (USER.31)
 478  */
 479 BOOL IsIconic(HWND hWnd)
 480 {
 481     WND * wndPtr = WIN_FindWndPtr(hWnd);
 482     if (wndPtr == NULL) return FALSE;
 483     return (wndPtr->dwStyle & WS_MINIMIZE) != 0;
 484 }
 485
 486
 487 /***********************************************************************
 488  *           IsZoomed   (USER.272)
 489  */
 490 BOOL IsZoomed(HWND hWnd)
 491 {
 492     WND * wndPtr = WIN_FindWndPtr(hWnd);
 493     if (wndPtr == NULL) return FALSE;
 494     return (wndPtr->dwStyle & WS_MAXIMIZE) != 0;
 495 }
 496
 497
 498 /*******************************************************************
 499  *         GetActiveWindow    (USER.60)
 500  */
 501 HWND GetActiveWindow(void)
 502 {
 503     return hwndActive;
 504 }
 505
 506
 507 /*******************************************************************
 508  *         WINPOS_IsGoodEnough
 509  */
 510 static BOOL32 WINPOS_IsGoodEnough(WND* pWnd)
 511 {
 512  return (pWnd) ? ((!(pWnd->dwStyle & WS_DISABLED) &&
 513                      pWnd->dwStyle & WS_VISIBLE ) ? TRUE : FALSE) : FALSE;
 514 }
 515
 516
 517 /*******************************************************************
 518  *         SetActiveWindow    (USER.59)
 519  */
 520 HWND SetActiveWindow( HWND hwnd )
 521 {
 522     HWND prev = hwndActive;
 523     WND *wndPtr = WIN_FindWndPtr( hwnd );
 524
 525     if ( !WINPOS_IsGoodEnough(wndPtr) ) return 0;
 526
 527     WINPOS_SetActiveWindow( hwnd, 0, 0 );
 528     return prev;
 529 }
 530
 531
 532 /***********************************************************************
 533  *           BringWindowToTop   (USER.45)
 534  */
 535 BOOL BringWindowToTop( HWND hwnd )
 536 {
 537     return SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE );
 538 }
 539
 540
 541 /***********************************************************************
 542  *           MoveWindow   (USER.56)
 543  */
 544 BOOL MoveWindow( HWND hwnd, short x, short y, short cx, short cy, BOOL repaint)
 545 {
 546     int flags = SWP_NOZORDER | SWP_NOACTIVATE;
 547     if (!repaint) flags |= SWP_NOREDRAW;
 548     dprintf_win(stddeb, "MoveWindow: %04x %d,%d %dx%d %d\n",
 549             hwnd, x, y, cx, cy, repaint );
 550     return SetWindowPos( hwnd, 0, x, y, cx, cy, flags );
 551 }
 552
 553
 554 /***********************************************************************
 555  *           ShowWindow   (USER.42)
 556  */
 557 BOOL ShowWindow( HWND hwnd, int cmd )
 558 {
 559     WND * wndPtr = WIN_FindWndPtr( hwnd );
 560     BOOL32 wasVisible, showFlag;
 561     POINT16 maxSize;
 562     int swpflags = 0;
 563     short x = 0, y = 0, cx = 0, cy = 0;
 564
 565     if (!wndPtr) return FALSE;
 566
 567     dprintf_win(stddeb,"ShowWindow: hwnd=%04x, cmd=%d\n", hwnd, cmd);
 568
 569     wasVisible = (wndPtr->dwStyle & WS_VISIBLE) != 0;
 570
 571     switch(cmd)
 572     {
 573         case SW_HIDE:
 574             if (!wasVisible) return FALSE;
 575             swpflags |= SWP_HIDEWINDOW | SWP_NOSIZE | SWP_NOMOVE |
 576                         SWP_NOACTIVATE | SWP_NOZORDER;
 577             break;
 578
 579         case SW_SHOWMINNOACTIVE:
 580             swpflags |= SWP_NOACTIVATE | SWP_NOZORDER;
 581             /* fall through */
 582         case SW_SHOWMINIMIZED:
 583             swpflags |= SWP_SHOWWINDOW;
 584             /* fall through */
 585         case SW_MINIMIZE:
 586             swpflags |= SWP_FRAMECHANGED;
 587             if (!(wndPtr->dwStyle & WS_MINIMIZE))
 588             {
 589                 if( HOOK_CallHooks( WH_CBT, HCBT_MINMAX, hwnd, cmd) )
 590                     return 0;
 591
 592                 if (wndPtr->dwStyle & WS_MAXIMIZE)
 593                 {
 594                     wndPtr->flags |= WIN_RESTORE_MAX;
 595                     wndPtr->dwStyle &= ~WS_MAXIMIZE;
 596                 }
 597                 else
 598                 {
 599                     wndPtr->flags &= ~WIN_RESTORE_MAX;
 600                     wndPtr->rectNormal = wndPtr->rectWindow;
 601                 }
 602                 wndPtr->dwStyle |= WS_MINIMIZE;
 603                 WINPOS_FindIconPos( hwnd );
 604                 x  = wndPtr->ptIconPos.x;
 605                 y  = wndPtr->ptIconPos.y;
 606                 cx = SYSMETRICS_CXICON;
 607                 cy = SYSMETRICS_CYICON;
 608                 swpflags |= SWP_NOCOPYBITS;
 609             }
 610             else swpflags |= SWP_NOSIZE | SWP_NOMOVE;
 611             break;
 612
 613         case SW_SHOWMAXIMIZED: /* same as SW_MAXIMIZE: */
 614             swpflags |= SWP_SHOWWINDOW | SWP_FRAMECHANGED;
 615             if (!(wndPtr->dwStyle & WS_MAXIMIZE))
 616             {
 617                 if( HOOK_CallHooks( WH_CBT, HCBT_MINMAX, hwnd, cmd) )
 618                     return 0;
 619
 620                   /* Store the current position and find the maximized size */
 621                 if (!(wndPtr->dwStyle & WS_MINIMIZE))
 622                     wndPtr->rectNormal = wndPtr->rectWindow;
 623
 624                 NC_GetMinMaxInfo( hwnd, &maxSize,
 625                                   &wndPtr->ptMaxPos, NULL, NULL );
 626                 x  = wndPtr->ptMaxPos.x;
 627                 y  = wndPtr->ptMaxPos.y;
 628
 629                 if( wndPtr->dwStyle & WS_MINIMIZE )
 630                     if( !SendMessage16( hwnd, WM_QUERYOPEN, 0, 0L ) )
 631                         {
 632                          swpflags |= SWP_NOSIZE | SWP_NOMOVE;
 633                          break;
 634                         }
 635                     else swpflags |= SWP_NOCOPYBITS;
 636
 637                 cx = maxSize.x;
 638                 cy = maxSize.y;
 639                 wndPtr->dwStyle &= ~WS_MINIMIZE;
 640                 wndPtr->dwStyle |= WS_MAXIMIZE;
 641             }
 642             else swpflags |= SWP_NOSIZE | SWP_NOMOVE;
 643             break;
 644
 645         case SW_SHOWNA:
 646             swpflags |= SWP_NOACTIVATE | SWP_NOZORDER;
 647             /* fall through */
 648         case SW_SHOW:
 649             swpflags |= SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE;
 650             break;
 651
 652         case SW_SHOWNOACTIVATE:
 653             swpflags |= SWP_NOZORDER;
 654             if (GetActiveWindow()) swpflags |= SWP_NOACTIVATE;
 655             /* fall through */
 656         case SW_SHOWNORMAL:  /* same as SW_NORMAL: */
 657         case SW_SHOWDEFAULT: /* FIXME: should have its own handler */
 658         case SW_RESTORE:
 659             swpflags |= SWP_SHOWWINDOW | SWP_FRAMECHANGED;
 660
 661             if (wndPtr->dwStyle & WS_MINIMIZE)
 662             {
 663                 if( HOOK_CallHooks( WH_CBT, HCBT_MINMAX, hwnd, cmd) )
 664                     return 0;
 665
 666                 if( !SendMessage16( hwnd, WM_QUERYOPEN, 0, 0L) )
 667                   {
 668                     swpflags |= SWP_NOSIZE | SWP_NOMOVE;
 669                     break;
 670                   }
 671                 wndPtr->ptIconPos.x = wndPtr->rectWindow.left;
 672                 wndPtr->ptIconPos.y = wndPtr->rectWindow.top;
 673                 wndPtr->dwStyle &= ~WS_MINIMIZE;
 674                 if (wndPtr->flags & WIN_RESTORE_MAX)
 675                 {
 676                     /* Restore to maximized position */
 677                     NC_GetMinMaxInfo( hwnd, &maxSize, &wndPtr->ptMaxPos,
 678                                       NULL, NULL );
 679                     x  = wndPtr->ptMaxPos.x;
 680                     y  = wndPtr->ptMaxPos.y;
 681                     cx = maxSize.x;
 682                     cy = maxSize.y;
 683                    wndPtr->dwStyle |= WS_MAXIMIZE;
 684                 }
 685                 else  /* Restore to normal position */
 686                 {
 687                     x  = wndPtr->rectNormal.left;
 688                     y  = wndPtr->rectNormal.top;
 689                     cx = wndPtr->rectNormal.right - wndPtr->rectNormal.left;
 690                     cy = wndPtr->rectNormal.bottom - wndPtr->rectNormal.top;
 691                 }
 692                 swpflags |= SWP_NOCOPYBITS;
 693             }
 694             else if (wndPtr->dwStyle & WS_MAXIMIZE)
 695             {
 696                 if( HOOK_CallHooks( WH_CBT, HCBT_MINMAX, hwnd, cmd) )
 697                     return 0;
 698
 699                 wndPtr->ptMaxPos.x = wndPtr->rectWindow.left;
 700                 wndPtr->ptMaxPos.y = wndPtr->rectWindow.top;
 701                 wndPtr->dwStyle &= ~WS_MAXIMIZE;
 702                 x  = wndPtr->rectNormal.left;
 703                 y  = wndPtr->rectNormal.top;
 704                 cx = wndPtr->rectNormal.right - wndPtr->rectNormal.left;
 705                 cy = wndPtr->rectNormal.bottom - wndPtr->rectNormal.top;
 706             }
 707             else swpflags |= SWP_NOSIZE | SWP_NOMOVE;
 708             break;
 709     }
 710
 711     showFlag = (cmd != SW_HIDE);
 712     if (showFlag != wasVisible)
 713     {
 714         SendMessage16( hwnd, WM_SHOWWINDOW, showFlag, 0 );
 715         if (!IsWindow( hwnd )) return wasVisible;
 716     }
 717
 718     if ((wndPtr->dwStyle & WS_CHILD) &&
 719         !IsWindowVisible( wndPtr->parent->hwndSelf ) &&
 720         (swpflags & SWP_NOSIZE) && (swpflags & SWP_NOMOVE))
 721     {
 722         /* Don't call SetWindowPos() on invisible child windows */
 723         if (cmd == SW_HIDE) wndPtr->dwStyle &= ~WS_VISIBLE;
 724         else wndPtr->dwStyle |= WS_VISIBLE;
 725     }
 726     else
 727     {
 728         /* We can't activate a child window */
 729         if (wndPtr->dwStyle & WS_CHILD)
 730             swpflags |= SWP_NOACTIVATE | SWP_NOZORDER;
 731         SetWindowPos( hwnd, HWND_TOP, x, y, cx, cy, swpflags );
 732         if (!IsWindow( hwnd )) return wasVisible;
 733     }
 734
 735     if (wndPtr->flags & WIN_NEED_SIZE)
 736     {
 737         /* should happen only in CreateWindowEx() */
 738         int wParam = SIZE_RESTORED;
 739
 740         wndPtr->flags &= ~WIN_NEED_SIZE;
 741         if (wndPtr->dwStyle & WS_MAXIMIZE) wParam = SIZE_MAXIMIZED;
 742         else if (wndPtr->dwStyle & WS_MINIMIZE) wParam = SIZE_MINIMIZED;
 743         SendMessage16( hwnd, WM_SIZE, wParam,
 744                      MAKELONG(wndPtr->rectClient.right-wndPtr->rectClient.left,
 745                             wndPtr->rectClient.bottom-wndPtr->rectClient.top));
 746         SendMessage16( hwnd, WM_MOVE, 0,
 747                    MAKELONG(wndPtr->rectClient.left, wndPtr->rectClient.top) );
 748     }
 749
 750     return wasVisible;
 751 }
 752
 753
 754 /***********************************************************************
 755  *           GetInternalWindowPos16   (USER.460)
 756  */
 757 UINT16 GetInternalWindowPos16( HWND16 hwnd, LPRECT16 rectWnd, LPPOINT16 ptIcon)
 758 {
 759     WINDOWPLACEMENT16 wndpl;
 760     if (!GetWindowPlacement16( hwnd, &wndpl )) return 0;
 761     if (rectWnd) *rectWnd = wndpl.rcNormalPosition;
 762     if (ptIcon)  *ptIcon = wndpl.ptMinPosition;
 763     return wndpl.showCmd;
 764 }
 765
 766
 767 /***********************************************************************
 768  *           GetInternalWindowPos32   (USER32.244)
 769  */
 770 UINT32 GetInternalWindowPos32( HWND32 hwnd, LPRECT32 rectWnd, LPPOINT32 ptIcon)
 771 {
 772     WINDOWPLACEMENT32 wndpl;
 773     if (!GetWindowPlacement32( hwnd, &wndpl )) return 0;
 774     if (rectWnd) *rectWnd = wndpl.rcNormalPosition;
 775     if (ptIcon)  *ptIcon = wndpl.ptMinPosition;
 776     return wndpl.showCmd;
 777 }
 778
 779
 780 /***********************************************************************
 781  *           SetInternalWindowPos16   (USER.461)
 782  */
 783 void SetInternalWindowPos16( HWND16 hwnd, UINT16 showCmd,
 784                              LPRECT16 rect, LPPOINT16 pt )
 785 {
 786     WINDOWPLACEMENT16 wndpl;
 787     WND *wndPtr = WIN_FindWndPtr( hwnd );
 788
 789     wndpl.length  = sizeof(wndpl);
 790     wndpl.flags   = (pt != NULL) ? WPF_SETMINPOSITION : 0;
 791     wndpl.showCmd = showCmd;
 792     if (pt) wndpl.ptMinPosition = *pt;
 793     wndpl.rcNormalPosition = (rect != NULL) ? *rect : wndPtr->rectNormal;
 794     wndpl.ptMaxPosition = wndPtr->ptMaxPos;
 795     SetWindowPlacement16( hwnd, &wndpl );
 796 }
 797
 798
 799 /***********************************************************************
 800  *           SetInternalWindowPos32   (USER32.482)
 801  */
 802 void SetInternalWindowPos32( HWND32 hwnd, UINT32 showCmd,
 803                              LPRECT32 rect, LPPOINT32 pt )
 804 {
 805     WINDOWPLACEMENT32 wndpl;
 806     WND *wndPtr = WIN_FindWndPtr( hwnd );
 807
 808     wndpl.length  = sizeof(wndpl);
 809     wndpl.flags   = (pt != NULL) ? WPF_SETMINPOSITION : 0;
 810     wndpl.showCmd = showCmd;
 811     if (pt) wndpl.ptMinPosition = *pt;
 812     if (rect) wndpl.rcNormalPosition = *rect;
 813     else CONV_RECT16TO32( &wndPtr->rectNormal, &wndpl.rcNormalPosition );
 814     CONV_POINT16TO32( &wndPtr->ptMaxPos, &wndpl.ptMaxPosition );
 815     SetWindowPlacement32( hwnd, &wndpl );
 816 }
 817
 818
 819 /***********************************************************************
 820  *           GetWindowPlacement16   (USER.370)
 821  */
 822 BOOL16 GetWindowPlacement16( HWND16 hwnd, WINDOWPLACEMENT16 *wndpl )
 823 {
 824     WND *wndPtr = WIN_FindWndPtr( hwnd );
 825     if (!wndPtr) return FALSE;
 826
 827     wndpl->length  = sizeof(*wndpl);
 828     wndpl->flags   = 0;
 829     wndpl->showCmd = IsZoomed(hwnd) ? SW_SHOWMAXIMIZED :
 830                      (IsIconic(hwnd) ? SW_SHOWMINIMIZED : SW_SHOWNORMAL);
 831     wndpl->ptMinPosition = wndPtr->ptIconPos;
 832     wndpl->ptMaxPosition = wndPtr->ptMaxPos;
 833     wndpl->rcNormalPosition = wndPtr->rectNormal;
 834     return TRUE;
 835 }
 836
 837
 838 /***********************************************************************
 839  *           GetWindowPlacement32   (USER32.306)
 840  */
 841 BOOL32 GetWindowPlacement32( HWND32 hwnd, WINDOWPLACEMENT32 *wndpl )
 842 {
 843     WND *wndPtr = WIN_FindWndPtr( hwnd );
 844     if (!wndPtr) return FALSE;
 845
 846     wndpl->length  = sizeof(*wndpl);
 847     wndpl->flags   = 0;
 848     wndpl->showCmd = IsZoomed(hwnd) ? SW_SHOWMAXIMIZED :
 849                      (IsIconic(hwnd) ? SW_SHOWMINIMIZED : SW_SHOWNORMAL);
 850     CONV_POINT16TO32( &wndPtr->ptIconPos, &wndpl->ptMinPosition );
 851     CONV_POINT16TO32( &wndPtr->ptMaxPos, &wndpl->ptMaxPosition );
 852     CONV_RECT16TO32( &wndPtr->rectNormal, &wndpl->rcNormalPosition );
 853     return TRUE;
 854 }
 855
 856
 857 /***********************************************************************
 858  *           SetWindowPlacement16   (USER.371)
 859  */
 860 BOOL16 SetWindowPlacement16( HWND16 hwnd, const WINDOWPLACEMENT16 *wndpl )
 861 {
 862     WND *wndPtr = WIN_FindWndPtr( hwnd );
 863     if (!wndPtr) return FALSE;
 864
 865     if (wndpl->flags & WPF_SETMINPOSITION)
 866         wndPtr->ptIconPos = wndpl->ptMinPosition;
 867     if ((wndpl->flags & WPF_RESTORETOMAXIMIZED) &&
 868         (wndpl->showCmd == SW_SHOWMINIMIZED)) wndPtr->flags |= WIN_RESTORE_MAX;
 869     wndPtr->ptMaxPos   = wndpl->ptMaxPosition;
 870     wndPtr->rectNormal = wndpl->rcNormalPosition;
 871     ShowWindow( hwnd, wndpl->showCmd );
 872     return TRUE;
 873 }
 874
 875
 876 /***********************************************************************
 877  *           SetWindowPlacement32   (USER32.518)
 878  */
 879 BOOL32 SetWindowPlacement32( HWND32 hwnd, const WINDOWPLACEMENT32 *wndpl )
 880 {
 881     WND *wndPtr = WIN_FindWndPtr( hwnd );
 882     if (!wndPtr) return FALSE;
 883
 884     if (wndpl->flags & WPF_SETMINPOSITION)
 885         CONV_POINT32TO16( &wndpl->ptMinPosition, &wndPtr->ptIconPos );
 886     if ((wndpl->flags & WPF_RESTORETOMAXIMIZED) &&
 887         (wndpl->showCmd == SW_SHOWMINIMIZED)) wndPtr->flags |= WIN_RESTORE_MAX;
 888     CONV_POINT32TO16( &wndpl->ptMaxPosition, &wndPtr->ptMaxPos );
 889     CONV_RECT32TO16( &wndpl->rcNormalPosition, &wndPtr->rectNormal );
 890     ShowWindow( hwnd, wndpl->showCmd );
 891     return TRUE;
 892 }
 893
 894 /***********************************************************************
 895  *           WINPOS_ForceXWindowRaise
 896  */
 897 void WINPOS_ForceXWindowRaise( WND* pWnd )
 898 {
 899     XWindowChanges winChanges;
 900     WND *wndStop, *wndLast;
 901
 902     if (!pWnd->window) return;
 903
 904     wndLast = wndStop = pWnd;
 905     winChanges.stack_mode = Above;
 906     XReconfigureWMWindow( display, pWnd->window, 0, CWStackMode, &winChanges );
 907
 908     /* Recursively raise owned popups according to their z-order
 909      * (it would be easier with sibling-related Below but it doesn't
 910      * work very well with SGI mwm for instance)
 911      */
 912     while (wndLast)
 913     {
 914         WND *wnd = WIN_GetDesktop()->child;
 915         wndLast = NULL;
 916         while (wnd != wndStop)
 917         {
 918             if (wnd->owner == pWnd &&
 919                 (wnd->dwStyle & WS_POPUP) &&
 920                 (wnd->dwStyle & WS_VISIBLE))
 921                 wndLast = wnd;
 922             wnd = wnd->next;
 923         }
 924         if (wndLast)
 925         {
 926             WINPOS_ForceXWindowRaise( wndLast );
 927             wndStop = wndLast;
 928         }
 929     }
 930 }
 931
 932 /*******************************************************************
 933  *         WINPOS_SetActiveWindow
 934  *
 935  * back-end to SetActiveWindow
 936  */
 937 BOOL32 WINPOS_SetActiveWindow( HWND32 hWnd, BOOL32 fMouse, BOOL32 fChangeFocus)
 938 {
 939     WND                   *wndPtr          = WIN_FindWndPtr(hWnd);
 940     WND                   *wndTemp         = WIN_FindWndPtr(hwndActive);
 941     CBTACTIVATESTRUCT16   *cbtStruct;
 942     WORD                   wIconized=0;
 943     HQUEUE16 hOldActiveQueue = (pActiveQueue)?pActiveQueue->self:0;
 944     HQUEUE16 hNewActiveQueue;
 945
 946     /* paranoid checks */
 947     if( hWnd == GetDesktopWindow32() || hWnd == hwndActive )
 948         return 0;
 949
 950 /* if (wndPtr && (GetTaskQueue(0) != wndPtr->hmemTaskQ))
 951         return 0;
 952         */
 953
 954     if( wndTemp )
 955         wIconized = HIWORD(wndTemp->dwStyle & WS_MINIMIZE);
 956     else
 957         dprintf_win(stddeb,"WINPOS_ActivateWindow: no current active window.\n");
 958
 959     /* call CBT hook chain */
 960     if ((cbtStruct = SEGPTR_NEW(CBTACTIVATESTRUCT16)))
 961     {
 962         LRESULT wRet;
 963         cbtStruct->fMouse     = fMouse;
 964         cbtStruct->hWndActive = hwndActive;
 965         wRet = HOOK_CallHooks( WH_CBT, HCBT_ACTIVATE, (WPARAM)hWnd,
 966                                (LPARAM)SEGPTR_GET(cbtStruct) );
 967         SEGPTR_FREE(cbtStruct);
 968         if (wRet) return wRet;
 969     }
 970
 971     /* set prev active wnd to current active wnd and send notification */
 972     if ((hwndPrevActive = hwndActive) && IsWindow(hwndPrevActive))
 973     {
 974         if (!SendMessage16( hwndPrevActive, WM_NCACTIVATE, FALSE, 0 ))
 975         {
 976             if (GetSysModalWindow16() != hWnd) return 0;
 977             /* disregard refusal if hWnd is sysmodal */
 978         }
 979
 980         SendMessage32A( hwndPrevActive, WM_ACTIVATE,
 981                         MAKEWPARAM( WA_INACTIVE, wIconized ),
 982                         (LPARAM)hWnd );
 983
 984         /* check if something happened during message processing */
 985         if( hwndPrevActive != hwndActive ) return 0;
 986     }
 987
 988     /* set active wnd */
 989     hwndActive = hWnd;
 990
 991     /* send palette messages */
 992     if (hWnd && SendMessage16( hWnd, WM_QUERYNEWPALETTE, 0, 0L))
 993         SendMessage16((HWND16)-1, WM_PALETTEISCHANGING, (WPARAM)hWnd, 0L );
 994
 995     /* if prev wnd is minimized redraw icon title
 996   if( hwndPrevActive )
 997     {
 998         wndTemp = WIN_FindWndPtr( WIN_GetTopParent( hwndPrevActive ) );
 999         if(wndTemp)
1000           if(wndTemp->dwStyle & WS_MINIMIZE)
1001             RedrawIconTitle(hwndPrevActive);
1002       }
1003   */
1004
1005     /* managed windows will get ConfigureNotify event */
1006     if (wndPtr && !(wndPtr->dwStyle & WS_CHILD) && !(wndPtr->flags & WIN_MANAGED))
1007     {
1008         /* check Z-order and bring hWnd to the top */
1009         for (wndTemp = WIN_GetDesktop()->child; wndTemp; wndTemp = wndTemp->next)
1010             if (wndTemp->dwStyle & WS_VISIBLE) break;
1011
1012         if( wndTemp != wndPtr )
1013             SetWindowPos(hWnd, HWND_TOP, 0,0,0,0,
1014                          SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE );
1015         if( !IsWindow(hWnd) ) return 0;
1016     }
1017
1018     hNewActiveQueue = wndPtr ? wndPtr->hmemTaskQ : 0;
1019
1020     /* send WM_ACTIVATEAPP if necessary */
1021     if (hOldActiveQueue != hNewActiveQueue)
1022     {
1023         WND **list, **ppWnd;
1024
1025         if ((list = WIN_BuildWinArray( WIN_GetDesktop() )))
1026         {
1027             for (ppWnd = list; *ppWnd; ppWnd++)
1028             {
1029                 if (!IsWindow( (*ppWnd)->hwndSelf )) continue;
1030
1031                 if ((*ppWnd)->hmemTaskQ == hOldActiveQueue)
1032                    SendMessage16( (*ppWnd)->hwndSelf, WM_ACTIVATEAPP,
1033                                    0, QUEUE_GetQueueTask(hNewActiveQueue) );
1034             }
1035             HeapFree( SystemHeap, 0, list );
1036         }
1037
1038         pActiveQueue = (hNewActiveQueue)
1039                        ? (MESSAGEQUEUE*) GlobalLock16(hNewActiveQueue) : NULL;
1040
1041         if ((list = WIN_BuildWinArray( WIN_GetDesktop() )))
1042         {
1043             for (ppWnd = list; *ppWnd; ppWnd++)
1044             {
1045                 if (!IsWindow( (*ppWnd)->hwndSelf )) continue;
1046
1047                 if ((*ppWnd)->hmemTaskQ == hNewActiveQueue)
1048                    SendMessage16( (*ppWnd)->hwndSelf, WM_ACTIVATEAPP,
1049                                   1, QUEUE_GetQueueTask( hOldActiveQueue ) );
1050             }
1051             HeapFree( SystemHeap, 0, list );
1052         }
1053         if (!IsWindow(hWnd)) return 0;
1054     }
1055
1056     if (hWnd)
1057     {
1058         /* walk up to the first unowned window */
1059         wndTemp = wndPtr;
1060         while (wndTemp->owner) wndTemp = wndTemp->owner;
1061         /* and set last active owned popup */
1062         wndTemp->hwndLastActive = hWnd;
1063
1064         wIconized = HIWORD(wndTemp->dwStyle & WS_MINIMIZE);
1065         SendMessage16( hWnd, WM_NCACTIVATE, TRUE, 0 );
1066         SendMessage32A( hWnd, WM_ACTIVATE,
1067                  MAKEWPARAM( (fMouse) ? WA_CLICKACTIVE : WA_ACTIVE, wIconized),
1068                  (LPARAM)hwndPrevActive );
1069
1070         if( !IsWindow(hWnd) ) return 0;
1071     }
1072
1073     /* change focus if possible */
1074     if( fChangeFocus && GetFocus32() )
1075         if( WIN_GetTopParent(GetFocus32()) != hwndActive )
1076             FOCUS_SwitchFocus( GetFocus32(),
1077                                (wndPtr->dwStyle & WS_MINIMIZE)? 0: hwndActive);
1078
1079     if( !hwndPrevActive && wndPtr &&
1080          wndPtr->window && !(wndPtr->flags & WIN_MANAGED) )
1081         WINPOS_ForceXWindowRaise(wndPtr);
1082
1083     /* if active wnd is minimized redraw icon title
1084   if( hwndActive )
1085       {
1086         wndPtr = WIN_FindWndPtr(hwndActive);
1087         if(wndPtr->dwStyle & WS_MINIMIZE)
1088            RedrawIconTitle(hwndActive);
1089     }
1090   */
1091     return (hWnd == hwndActive);
1092 }
1093
1094 /*******************************************************************
1095  *         WINPOS_ActivateOtherWindow
1096  *
1097  * DestroyWindow() helper. pWnd must be a top-level window.
1098  */
1099 BOOL32 WINPOS_ActivateOtherWindow(WND* pWnd)
1100 {
1101   BOOL32        bRet = 0;
1102   WND*          pWndTo = NULL;
1103
1104   if( pWnd->hwndSelf == hwndPrevActive )
1105       hwndPrevActive = 0;
1106
1107   if( hwndActive != pWnd->hwndSelf &&
1108     ( hwndActive || QUEUE_IsDoomedQueue(pWnd->hmemTaskQ)) )
1109       return 0;
1110
1111   if( pWnd->dwStyle & WS_POPUP &&
1112       WINPOS_IsGoodEnough( pWnd->owner ) ) pWndTo = pWnd->owner;
1113   else
1114   {
1115     WND* pWndPtr = pWnd;
1116
1117     pWndTo = WIN_FindWndPtr(hwndPrevActive);
1118
1119     while( !WINPOS_IsGoodEnough(pWndTo) )
1120     {
1121       /* by now owned windows should've been taken care of */
1122
1123       pWndTo = pWndPtr->next;
1124       pWndPtr = pWndTo;
1125       if( !pWndTo ) return 0;
1126     }
1127   }
1128
1129   bRet = WINPOS_SetActiveWindow( pWndTo->hwndSelf, FALSE, TRUE );
1130
1131   /* switch desktop queue to current active */
1132   if( pWndTo->parent == WIN_GetDesktop())
1133       WIN_GetDesktop()->hmemTaskQ = pWndTo->hmemTaskQ;
1134
1135   hwndPrevActive = 0;
1136   return bRet;
1137 }
1138
1139 /*******************************************************************
1140  *         WINPOS_ChangeActiveWindow
1141  *
1142  */
1143 BOOL32 WINPOS_ChangeActiveWindow( HWND32 hWnd, BOOL32 mouseMsg )
1144 {
1145     WND *wndPtr = WIN_FindWndPtr(hWnd);
1146
1147     if (!hWnd) return WINPOS_SetActiveWindow( 0, mouseMsg, TRUE );
1148
1149     if( !wndPtr ) return FALSE;
1150
1151     /* child windows get WM_CHILDACTIVATE message */
1152     if( (wndPtr->dwStyle & (WS_CHILD | WS_POPUP)) == WS_CHILD )
1153         return SendMessage16(hWnd, WM_CHILDACTIVATE, 0, 0L);
1154
1155         /* owned popups imply owner activation - not sure */
1156     if ((wndPtr->dwStyle & WS_POPUP) && wndPtr->owner &&
1157         !(wndPtr->owner->dwStyle & WS_DISABLED ))
1158     {
1159         if (!(wndPtr = wndPtr->owner)) return FALSE;
1160         hWnd = wndPtr->hwndSelf;
1161     }
1162
1163     if( hWnd == hwndActive ) return FALSE;
1164
1165     if( !WINPOS_SetActiveWindow(hWnd ,mouseMsg ,TRUE) )
1166         return FALSE;
1167
1168     /* switch desktop queue to current active */
1169     if( wndPtr->parent == WIN_GetDesktop())
1170         WIN_GetDesktop()->hmemTaskQ = wndPtr->hmemTaskQ;
1171
1172     return TRUE;
1173 }
1174
1175
1176 /***********************************************************************
1177  *           WINPOS_SendNCCalcSize
1178  *
1179  * Send a WM_NCCALCSIZE message to a window.
1180  * All parameters are read-only except newClientRect.
1181  * oldWindowRect, oldClientRect and winpos must be non-NULL only
1182  * when calcValidRect is TRUE.
1183  */
1184 LONG WINPOS_SendNCCalcSize( HWND32 hwnd, BOOL32 calcValidRect,
1185                             RECT16 *newWindowRect, RECT16 *oldWindowRect,
1186                             RECT16 *oldClientRect, SEGPTR winpos,
1187                             RECT16 *newClientRect )
1188 {
1189     NCCALCSIZE_PARAMS16 *params;
1190     LONG result;
1191
1192     if (!(params = SEGPTR_NEW(NCCALCSIZE_PARAMS16))) return 0;
1193     params->rgrc[0] = *newWindowRect;
1194     if (calcValidRect)
1195     {
1196         params->rgrc[1] = *oldWindowRect;
1197         params->rgrc[2] = *oldClientRect;
1198         params->lppos = winpos;
1199     }
1200     result = SendMessage16( hwnd, WM_NCCALCSIZE, calcValidRect,
1201                           (LPARAM)SEGPTR_GET( params ) );
1202     dprintf_win(stddeb, "WINPOS_SendNCCalcSize: %d %d %d %d\n",
1203                 (int)params->rgrc[0].top,    (int)params->rgrc[0].left,
1204                 (int)params->rgrc[0].bottom, (int)params->rgrc[0].right);
1205     *newClientRect = params->rgrc[0];
1206     SEGPTR_FREE(params);
1207     return result;
1208 }
1209
1210
1211 /***********************************************************************
1212  *           WINPOS_HandleWindowPosChanging16
1213  *
1214  * Default handling for a WM_WINDOWPOSCHANGING. Called from DefWindowProc().
1215  */
1216 LONG WINPOS_HandleWindowPosChanging16( WND *wndPtr, WINDOWPOS16 *winpos )
1217 {
1218     POINT16 maxSize;
1219     if (winpos->flags & SWP_NOSIZE) return 0;
1220     if ((wndPtr->dwStyle & WS_THICKFRAME) ||
1221         ((wndPtr->dwStyle & (WS_POPUP | WS_CHILD)) == 0))
1222     {
1223         NC_GetMinMaxInfo( winpos->hwnd, &maxSize, NULL, NULL, NULL );
1224         winpos->cx = MIN( winpos->cx, maxSize.x );
1225         winpos->cy = MIN( winpos->cy, maxSize.y );
1226     }
1227     return 0;
1228 }
1229
1230
1231 /***********************************************************************
1232  *           WINPOS_HandleWindowPosChanging32
1233  *
1234  * Default handling for a WM_WINDOWPOSCHANGING. Called from DefWindowProc().
1235  */
1236 LONG WINPOS_HandleWindowPosChanging32( WND *wndPtr, WINDOWPOS32 *winpos )
1237 {
1238     POINT16 maxSize;
1239     if (winpos->flags & SWP_NOSIZE) return 0;
1240     if ((wndPtr->dwStyle & WS_THICKFRAME) ||
1241         ((wndPtr->dwStyle & (WS_POPUP | WS_CHILD)) == 0))
1242     {
1243         NC_GetMinMaxInfo( winpos->hwnd, &maxSize, NULL, NULL, NULL );
1244         winpos->cx = MIN( winpos->cx, maxSize.x );
1245         winpos->cy = MIN( winpos->cy, maxSize.y );
1246     }
1247     return 0;
1248 }
1249
1250
1251 /***********************************************************************
1252  *           WINPOS_MoveWindowZOrder
1253  *
1254  * Move a window in Z order, invalidating everything that needs it.
1255  * Only necessary for windows without associated X window.
1256  */
1257 static void WINPOS_MoveWindowZOrder( HWND hwnd, HWND hwndAfter )
1258 {
1259     BOOL movingUp;
1260     WND *pWndAfter, *pWndCur, *wndPtr = WIN_FindWndPtr( hwnd );
1261
1262     /* We have two possible cases:
1263      * - The window is moving up: we have to invalidate all areas
1264      *   of the window that were covered by other windows
1265      * - The window is moving down: we have to invalidate areas
1266      *   of other windows covered by this one.
1267      */
1268
1269     if (hwndAfter == HWND_TOP)
1270     {
1271         movingUp = TRUE;
1272     }
1273     else if (hwndAfter == HWND_BOTTOM)
1274     {
1275         if (!wndPtr->next) return;  /* Already at the bottom */
1276         movingUp = FALSE;
1277     }
1278     else
1279     {
1280         if (!(pWndAfter = WIN_FindWndPtr( hwndAfter ))) return;
1281         if (wndPtr->next == pWndAfter) return;  /* Already placed right */
1282
1283           /* Determine which window we encounter first in Z-order */
1284         pWndCur = wndPtr->parent->child;
1285         while ((pWndCur != wndPtr) && (pWndCur != pWndAfter))
1286             pWndCur = pWndCur->next;
1287         movingUp = (pWndCur == pWndAfter);
1288     }
1289
1290     if (movingUp)
1291     {
1292         WND *pWndPrevAfter = wndPtr->next;
1293         WIN_UnlinkWindow( hwnd );
1294         WIN_LinkWindow( hwnd, hwndAfter );
1295         pWndCur = wndPtr->next;
1296         while (pWndCur != pWndPrevAfter)
1297         {
1298             RECT32 rect = { pWndCur->rectWindow.left,
1299                             pWndCur->rectWindow.top,
1300                             pWndCur->rectWindow.right,
1301                             pWndCur->rectWindow.bottom };
1302             OffsetRect32( &rect, -wndPtr->rectClient.left,
1303                           -wndPtr->rectClient.top );
1304             PAINT_RedrawWindow( hwnd, &rect, 0, RDW_INVALIDATE | RDW_ALLCHILDREN |
1305                               RDW_FRAME | RDW_ERASE, 0 );
1306             pWndCur = pWndCur->next;
1307         }
1308     }
1309     else  /* Moving down */
1310     {
1311         pWndCur = wndPtr->next;
1312         WIN_UnlinkWindow( hwnd );
1313         WIN_LinkWindow( hwnd, hwndAfter );
1314         while (pWndCur != wndPtr)
1315         {
1316             RECT32 rect = { pWndCur->rectWindow.left,
1317                             pWndCur->rectWindow.top,
1318                             pWndCur->rectWindow.right,
1319                             pWndCur->rectWindow.bottom };
1320             OffsetRect32( &rect, -pWndCur->rectClient.left,
1321                           -pWndCur->rectClient.top );
1322             PAINT_RedrawWindow( pWndCur->hwndSelf, &rect, 0, RDW_INVALIDATE |
1323                               RDW_ALLCHILDREN | RDW_FRAME | RDW_ERASE, 0 );
1324             pWndCur = pWndCur->next;
1325         }
1326     }
1327 }
1328
1329 /***********************************************************************
1330  *           WINPOS_ReorderOwnedPopups
1331  *
1332  * fix Z order taking into account owned popups -
1333  * basically we need to maintain them above owner window
1334  */
1335 HWND WINPOS_ReorderOwnedPopups(HWND hwndInsertAfter, WND* wndPtr, WORD flags)
1336 {
1337  WND*   w = WIN_GetDesktop()->child;
1338
1339   if( wndPtr->dwStyle & WS_POPUP && wndPtr->owner )
1340   {
1341    /* implement "local z-order" between the top and owner window */
1342
1343      HWND hwndLocalPrev = HWND_TOP;
1344
1345      if( hwndInsertAfter != HWND_TOP )
1346      {
1347         while( w != wndPtr->owner )
1348         {
1349           hwndLocalPrev = w->hwndSelf;
1350           if( hwndLocalPrev == hwndInsertAfter ) break;
1351           w = w->next;
1352         }
1353         hwndInsertAfter = hwndLocalPrev;
1354      }
1355
1356   }
1357   else if( wndPtr->dwStyle & WS_CHILD ) return hwndInsertAfter;
1358
1359   w = WIN_GetDesktop()->child;
1360   while( w )
1361   {
1362     if( w == wndPtr ) break;
1363
1364     if( w->dwStyle & WS_POPUP && w->owner == wndPtr )
1365     {
1366       SetWindowPos(w->hwndSelf, hwndInsertAfter, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE |
1367                                 SWP_NOACTIVATE | SWP_NOSENDCHANGING | SWP_DEFERERASE);
1368       hwndInsertAfter = w->hwndSelf;
1369     }
1370     w = w->next;
1371   }
1372
1373   return hwndInsertAfter;
1374 }
1375
1376 /***********************************************************************
1377  *           WINPOS_SizeMoveClean
1378  *
1379  * Make window look nice without excessive repainting
1380  *
1381  * the pain:
1382  *
1383  * visible regions are in window coordinates
1384  * update regions are in window client coordinates
1385  * client and window rectangles are in parent client coordinates
1386  */
1387 static UINT WINPOS_SizeMoveClean(WND* Wnd, HRGN32 oldVisRgn, LPRECT16 lpOldWndRect, LPRECT16 lpOldClientRect, UINT uFlags )
1388 {
1389  HRGN32 newVisRgn = DCE_GetVisRgn(Wnd->hwndSelf,DCX_WINDOW | DCX_CLIPSIBLINGS);
1390  HRGN32 dirtyRgn = CreateRectRgn(0,0,0,0);
1391  int  other, my;
1392
1393  dprintf_win(stddeb,"cleaning up...new wnd=(%i %i-%i %i) old wnd=(%i %i-%i %i)\n\
1394 \t\tnew client=(%i %i-%i %i) old client=(%i %i-%i %i)\n",
1395                    Wnd->rectWindow.left, Wnd->rectWindow.top, Wnd->rectWindow.right, Wnd->rectWindow.bottom,
1396                    lpOldWndRect->left, lpOldWndRect->top, lpOldWndRect->right, lpOldWndRect->bottom,
1397                    Wnd->rectClient.left,Wnd->rectClient.top,Wnd->rectClient.right,Wnd->rectClient.bottom,
1398                    lpOldClientRect->left,lpOldClientRect->top,lpOldClientRect->right,lpOldClientRect->bottom);
1399
1400  if( (lpOldWndRect->right - lpOldWndRect->left) != (Wnd->rectWindow.right - Wnd->rectWindow.left) ||
1401      (lpOldWndRect->bottom - lpOldWndRect->top) != (Wnd->rectWindow.bottom - Wnd->rectWindow.top) )
1402      uFlags |= SMC_DRAWFRAME;
1403
1404  CombineRgn( dirtyRgn, newVisRgn, 0, RGN_COPY);
1405
1406  if( !(uFlags & SMC_NOCOPY) )
1407    CombineRgn( newVisRgn, newVisRgn, oldVisRgn, RGN_AND );
1408
1409  /* map regions to the parent client area */
1410
1411  OffsetRgn(dirtyRgn, Wnd->rectWindow.left, Wnd->rectWindow.top);
1412  OffsetRgn(oldVisRgn, lpOldWndRect->left, lpOldWndRect->top);
1413
1414  /* compute invalidated region outside Wnd - (in client coordinates of the parent window) */
1415
1416  other = CombineRgn(dirtyRgn, oldVisRgn, dirtyRgn, RGN_DIFF);
1417
1418  /* map visible region to the Wnd client area */
1419
1420  OffsetRgn( newVisRgn, Wnd->rectWindow.left - Wnd->rectClient.left,
1421                        Wnd->rectWindow.top - Wnd->rectClient.top );
1422
1423  /* substract previously invalidated region from the Wnd visible region */
1424
1425  my =  (Wnd->hrgnUpdate > 1)? CombineRgn( newVisRgn, newVisRgn, Wnd->hrgnUpdate, RGN_DIFF)
1426                             : COMPLEXREGION;
1427
1428  if( uFlags & SMC_NOCOPY )      /* invalidate Wnd visible region */
1429    {
1430      if (my != NULLREGION)  PAINT_RedrawWindow( Wnd->hwndSelf, NULL, newVisRgn, RDW_INVALIDATE |
1431                             RDW_FRAME | RDW_ALLCHILDREN | RDW_ERASE, RDW_C_USEHRGN );
1432    }
1433  else                   /* bitblt old client area */
1434    {
1435      HDC32 hDC;
1436      int   update;
1437      HRGN32 updateRgn;
1438      int   xfrom,yfrom,xto,yto,width,height;
1439
1440      if( uFlags & SMC_DRAWFRAME )
1441        {
1442          /* copy only client area, frame will be redrawn anyway */
1443
1444          xfrom = lpOldClientRect->left; yfrom = lpOldClientRect->top;
1445          xto = Wnd->rectClient.left; yto = Wnd->rectClient.top;
1446          width = lpOldClientRect->right - xfrom; height = lpOldClientRect->bottom - yfrom;
1447          updateRgn = CreateRectRgn( 0, 0, width, height );
1448          CombineRgn( newVisRgn, newVisRgn, updateRgn, RGN_AND );
1449          SetRectRgn( updateRgn, 0, 0, Wnd->rectClient.right - xto, Wnd->rectClient.bottom - yto );
1450        }
1451      else
1452        {
1453          xfrom = lpOldWndRect->left; yfrom = lpOldWndRect->top;
1454          xto = Wnd->rectWindow.left; yto = Wnd->rectWindow.top;
1455          width = lpOldWndRect->right - xfrom; height = lpOldWndRect->bottom - yfrom;
1456          updateRgn = CreateRectRgn( xto - Wnd->rectClient.left,
1457                                     yto - Wnd->rectClient.top,
1458                                     Wnd->rectWindow.right - Wnd->rectClient.left,
1459                                     Wnd->rectWindow.bottom - Wnd->rectClient.top );
1460        }
1461
1462      CombineRgn( newVisRgn, newVisRgn, updateRgn, RGN_AND );
1463
1464      /* substract new visRgn from target rect to get a region that won't be copied */
1465
1466      update = CombineRgn( updateRgn, updateRgn, newVisRgn, RGN_DIFF );
1467
1468      /* Blt valid bits using parent window DC */
1469
1470      if( my != NULLREGION && (xfrom != xto || yfrom != yto) )
1471        {
1472
1473          /* compute clipping region in parent client coordinates */
1474
1475          OffsetRgn( newVisRgn, Wnd->rectClient.left, Wnd->rectClient.top);
1476          CombineRgn( oldVisRgn, oldVisRgn, newVisRgn, RGN_OR );
1477
1478          hDC = GetDCEx32( Wnd->parent->hwndSelf, oldVisRgn,
1479                           DCX_KEEPCLIPRGN | DCX_INTERSECTRGN |
1480                           DCX_CACHE | DCX_CLIPSIBLINGS);
1481
1482          BitBlt( hDC, xto, yto, width, height, hDC, xfrom, yfrom, SRCCOPY );
1483
1484          ReleaseDC32( Wnd->parent->hwndSelf, hDC);
1485        }
1486
1487      if( update != NULLREGION )
1488          PAINT_RedrawWindow( Wnd->hwndSelf, NULL, updateRgn, RDW_INVALIDATE |
1489                          RDW_FRAME | RDW_ALLCHILDREN | RDW_ERASE, RDW_C_USEHRGN );
1490      else if( uFlags & SMC_DRAWFRAME ) Wnd->flags |= WIN_NEEDS_NCPAINT;
1491      DeleteObject( updateRgn );
1492    }
1493
1494  /* erase uncovered areas */
1495
1496  if( !(uFlags & SMC_NOPARENTERASE) && (other != NULLREGION ) )
1497       PAINT_RedrawWindow( Wnd->parent->hwndSelf, NULL, dirtyRgn,
1498                         RDW_INVALIDATE | RDW_ALLCHILDREN | RDW_ERASE, RDW_C_USEHRGN );
1499  DeleteObject(dirtyRgn);
1500  DeleteObject(newVisRgn);
1501  return uFlags;
1502 }
1503
1504
1505 /***********************************************************************
1506  *           WINPOS_SetXWindowPos
1507  *
1508  * SetWindowPos() for an X window. Used by the real SetWindowPos().
1509  */
1510 static void WINPOS_SetXWindowPos( WINDOWPOS16 *winpos )
1511 {
1512     XWindowChanges winChanges;
1513     int changeMask = 0;
1514     WND *wndPtr = WIN_FindWndPtr( winpos->hwnd );
1515
1516     if (!(winpos->flags & SWP_NOSIZE))
1517     {
1518         winChanges.width     = winpos->cx;
1519         winChanges.height    = winpos->cy;
1520         changeMask |= CWWidth | CWHeight;
1521
1522         /* Tweak dialog window size hints */
1523
1524         if ((wndPtr->flags & WIN_MANAGED) &&
1525             (wndPtr->dwExStyle & WS_EX_DLGMODALFRAME))
1526         {
1527             XSizeHints *size_hints = XAllocSizeHints();
1528
1529             if (size_hints)
1530             {
1531                 long supplied_return;
1532
1533                 XGetWMSizeHints( display, wndPtr->window, size_hints,
1534                                  &supplied_return, XA_WM_NORMAL_HINTS);
1535                 size_hints->min_width = size_hints->max_width = winpos->cx;
1536                 size_hints->min_height = size_hints->max_height = winpos->cy;
1537                 XSetWMSizeHints( display, wndPtr->window, size_hints,
1538                                  XA_WM_NORMAL_HINTS );
1539                 XFree(size_hints);
1540             }
1541         }
1542     }
1543     if (!(winpos->flags & SWP_NOMOVE))
1544     {
1545         winChanges.x = winpos->x;
1546         winChanges.y = winpos->y;
1547         changeMask |= CWX | CWY;
1548     }
1549     if (!(winpos->flags & SWP_NOZORDER))
1550     {
1551         winChanges.stack_mode = Below;
1552         changeMask |= CWStackMode;
1553
1554         if (winpos->hwndInsertAfter == HWND_TOP) winChanges.stack_mode = Above;
1555         else if (winpos->hwndInsertAfter != HWND_BOTTOM)
1556         {
1557             WND*   insertPtr = WIN_FindWndPtr( winpos->hwndInsertAfter );
1558             Window stack[2];
1559
1560             stack[0] = insertPtr->window;
1561             stack[1] = wndPtr->window;
1562
1563             /* for stupid window managers (i.e. all of them) */
1564
1565             XRestackWindows(display, stack, 2);
1566             changeMask &= ~CWStackMode;
1567         }
1568     }
1569     if (!changeMask) return;
1570
1571     XReconfigureWMWindow( display, wndPtr->window, 0, changeMask, &winChanges );
1572 }
1573
1574
1575 /***********************************************************************
1576  *           SetWindowPos   (USER.232)
1577  */
1578 BOOL SetWindowPos( HWND hwnd, HWND hwndInsertAfter, INT x, INT y,
1579                    INT cx, INT cy, WORD flags )
1580 {
1581     WINDOWPOS16 *winpos;
1582     WND *       wndPtr;
1583     RECT16      newWindowRect, newClientRect, oldWindowRect;
1584     HRGN32      visRgn = 0;
1585     HWND        tempInsertAfter= 0;
1586     int         result = 0;
1587     UINT        uFlags = 0;
1588
1589     dprintf_win(stddeb,"SetWindowPos: hwnd %04x, (%i,%i)-(%i,%i) flags %08x\n",
1590                                                  hwnd, x, y, x+cx, y+cy, flags);
1591       /* Check window handle */
1592
1593     if (hwnd == GetDesktopWindow32()) return FALSE;
1594     if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return FALSE;
1595
1596     if (wndPtr->dwStyle & WS_VISIBLE) flags &= ~SWP_SHOWWINDOW;
1597     else
1598     {
1599         uFlags |= SMC_NOPARENTERASE;
1600         flags &= ~SWP_HIDEWINDOW;
1601         if (!(flags & SWP_SHOWWINDOW)) flags |= SWP_NOREDRAW;
1602     }
1603
1604 /*     Check for windows that may not be resized
1605        FIXME: this should be done only for Windows 3.0 programs
1606        if (flags & (SWP_SHOWWINDOW | SWP_HIDEWINDOW ) )
1607            flags |= SWP_NOSIZE | SWP_NOMOVE;
1608 */
1609       /* Check dimensions */
1610
1611     if (cx <= 0) cx = 1;
1612     if (cy <= 0) cy = 1;
1613
1614       /* Check flags */
1615
1616     if (hwnd == hwndActive) flags |= SWP_NOACTIVATE;   /* Already active */
1617     if ((wndPtr->rectWindow.right - wndPtr->rectWindow.left == cx) &&
1618         (wndPtr->rectWindow.bottom - wndPtr->rectWindow.top == cy))
1619         flags |= SWP_NOSIZE;    /* Already the right size */
1620     if ((wndPtr->rectWindow.left == x) && (wndPtr->rectWindow.top == y))
1621         flags |= SWP_NOMOVE;    /* Already the right position */
1622
1623       /* Check hwndInsertAfter */
1624
1625     if (!(flags & (SWP_NOZORDER | SWP_NOACTIVATE)))
1626     {
1627           /* Ignore TOPMOST flags when activating a window */
1628           /* _and_ moving it in Z order. */
1629         if ((hwndInsertAfter == HWND_TOPMOST) ||
1630             (hwndInsertAfter == HWND_NOTOPMOST))
1631             hwndInsertAfter = HWND_TOP;
1632     }
1633       /* TOPMOST not supported yet */
1634     if ((hwndInsertAfter == HWND_TOPMOST) ||
1635         (hwndInsertAfter == HWND_NOTOPMOST)) hwndInsertAfter = HWND_TOP;
1636
1637       /* hwndInsertAfter must be a sibling of the window */
1638     if ((hwndInsertAfter != HWND_TOP) && (hwndInsertAfter != HWND_BOTTOM))
1639        {
1640          WND* wnd = WIN_FindWndPtr(hwndInsertAfter);
1641          if( wnd->parent != wndPtr->parent ) return FALSE;
1642          if( wnd->next == wndPtr ) flags |= SWP_NOZORDER;
1643        }
1644     else
1645        if (hwndInsertAfter == HWND_TOP)
1646            flags |= ( wndPtr->parent->child == wndPtr)? SWP_NOZORDER: 0;
1647        else /* HWND_BOTTOM */
1648            flags |= ( wndPtr->next )? 0: SWP_NOZORDER;
1649
1650       /* Fill the WINDOWPOS structure */
1651
1652     if (!(winpos = SEGPTR_NEW(WINDOWPOS16))) return FALSE;
1653     winpos->hwnd = hwnd;
1654     winpos->hwndInsertAfter = hwndInsertAfter;
1655     winpos->x = x;
1656     winpos->y = y;
1657     winpos->cx = cx;
1658     winpos->cy = cy;
1659     winpos->flags = flags;
1660
1661       /* Send WM_WINDOWPOSCHANGING message */
1662
1663     if (!(flags & SWP_NOSENDCHANGING))
1664         SendMessage16( hwnd, WM_WINDOWPOSCHANGING, 0,
1665                        (LPARAM)SEGPTR_GET(winpos) );
1666
1667       /* Calculate new position and size */
1668
1669     newWindowRect = wndPtr->rectWindow;
1670     newClientRect = (wndPtr->dwStyle & WS_MINIMIZE) ? wndPtr->rectWindow
1671                                                     : wndPtr->rectClient;
1672
1673     if (!(winpos->flags & SWP_NOSIZE))
1674     {
1675         newWindowRect.right  = newWindowRect.left + winpos->cx;
1676         newWindowRect.bottom = newWindowRect.top + winpos->cy;
1677     }
1678     if (!(winpos->flags & SWP_NOMOVE))
1679     {
1680         newWindowRect.left    = winpos->x;
1681         newWindowRect.top     = winpos->y;
1682         newWindowRect.right  += winpos->x - wndPtr->rectWindow.left;
1683         newWindowRect.bottom += winpos->y - wndPtr->rectWindow.top;
1684
1685         OffsetRect16( &newClientRect, winpos->x - wndPtr->rectWindow.left,
1686                                       winpos->y - wndPtr->rectWindow.top );
1687     }
1688
1689     winpos->flags |= SWP_NOCLIENTMOVE | SWP_NOCLIENTSIZE;
1690
1691       /* Reposition window in Z order */
1692
1693     if (!(winpos->flags & SWP_NOZORDER))
1694     {
1695         /* reorder owned popups if hwnd is top-level window
1696          */
1697         if( wndPtr->parent == WIN_GetDesktop() )
1698             hwndInsertAfter = WINPOS_ReorderOwnedPopups( hwndInsertAfter,
1699                                                          wndPtr, flags );
1700
1701         if (wndPtr->window)
1702         {
1703             WIN_UnlinkWindow( winpos->hwnd );
1704             WIN_LinkWindow( winpos->hwnd, hwndInsertAfter );
1705         }
1706         else WINPOS_MoveWindowZOrder( winpos->hwnd, hwndInsertAfter );
1707     }
1708
1709     if ( !wndPtr->window && !(flags & SWP_NOREDRAW) &&
1710         (!(flags & SWP_NOMOVE) || !(flags & SWP_NOSIZE) || (flags & SWP_FRAMECHANGED)) )
1711           visRgn = DCE_GetVisRgn(hwnd, DCX_WINDOW | DCX_CLIPSIBLINGS);
1712
1713
1714       /* Send WM_NCCALCSIZE message to get new client area */
1715     if( (flags & (SWP_FRAMECHANGED | SWP_NOSIZE)) != SWP_NOSIZE )
1716       {
1717          result = WINPOS_SendNCCalcSize( winpos->hwnd, TRUE, &newWindowRect,
1718                                     &wndPtr->rectWindow, &wndPtr->rectClient,
1719                                     SEGPTR_GET(winpos), &newClientRect );
1720
1721          /* FIXME: WVR_ALIGNxxx */
1722
1723          if( newClientRect.left != wndPtr->rectClient.left ||
1724              newClientRect.top != wndPtr->rectClient.top )
1725              winpos->flags &= ~SWP_NOCLIENTMOVE;
1726
1727          if( (newClientRect.right - newClientRect.left !=
1728              wndPtr->rectClient.right - wndPtr->rectClient.left) ||
1729             (newClientRect.bottom - newClientRect.top !=
1730              wndPtr->rectClient.bottom - wndPtr->rectClient.top) )
1731              winpos->flags &= ~SWP_NOCLIENTSIZE;
1732       }
1733     else
1734       if( !(flags & SWP_NOMOVE) && (newClientRect.left != wndPtr->rectClient.left ||
1735                                     newClientRect.top != wndPtr->rectClient.top) )
1736             winpos->flags &= ~SWP_NOCLIENTMOVE;
1737
1738     /* Update active DCEs */
1739
1740     if( !(flags & SWP_NOZORDER) || (flags & SWP_HIDEWINDOW) || (flags & SWP_SHOWWINDOW)
1741                                 || (memcmp(&newWindowRect,&wndPtr->rectWindow,sizeof(RECT16))
1742                                     && wndPtr->dwStyle & WS_VISIBLE ) )
1743       {
1744         RECT16 rect;
1745
1746         UnionRect16(&rect,&newWindowRect,&wndPtr->rectWindow);
1747         DCE_InvalidateDCE(wndPtr->parent, &rect);
1748       }
1749
1750     /* change geometry */
1751
1752     oldWindowRect = wndPtr->rectWindow;
1753
1754     if (wndPtr->window)
1755     {
1756         RECT16 oldClientRect = wndPtr->rectClient;
1757
1758         tempInsertAfter = winpos->hwndInsertAfter;
1759
1760         winpos->hwndInsertAfter = hwndInsertAfter;
1761
1762         /* postpone geometry change */
1763
1764         if( !(flags & (SWP_SHOWWINDOW | SWP_HIDEWINDOW)) )
1765           {
1766               WINPOS_SetXWindowPos( winpos );
1767               winpos->hwndInsertAfter = tempInsertAfter;
1768           }
1769         else  uFlags |= SMC_SETXPOS;
1770
1771         wndPtr->rectWindow = newWindowRect;
1772         wndPtr->rectClient = newClientRect;
1773
1774         if( !(flags & (SWP_SHOWWINDOW | SWP_HIDEWINDOW)) )
1775           if( (oldClientRect.left - oldWindowRect.left !=
1776                newClientRect.left - newWindowRect.left) ||
1777               (oldClientRect.top - oldWindowRect.top !=
1778                newClientRect.top - newWindowRect.top) || winpos->flags & SWP_NOCOPYBITS )
1779
1780               PAINT_RedrawWindow( wndPtr->hwndSelf, NULL, 0, RDW_INVALIDATE |
1781                               RDW_ALLCHILDREN | RDW_FRAME | RDW_ERASE, 0 );
1782           else
1783               if( winpos->flags & SWP_FRAMECHANGED )
1784               {
1785                 WORD wErase = 0;
1786                 RECT32 rect;
1787
1788                 if( oldClientRect.right > newClientRect.right )
1789                 {
1790                     rect.left = newClientRect.right; rect.top = newClientRect.top;
1791                     rect.right = oldClientRect.right; rect.bottom = newClientRect.bottom;
1792                     wErase = 1;
1793                     PAINT_RedrawWindow( wndPtr->hwndSelf, &rect, 0,
1794                                       RDW_INVALIDATE | RDW_FRAME | RDW_ALLCHILDREN, 0 );
1795                 }
1796                 if( oldClientRect.bottom > newClientRect.bottom )
1797                 {
1798                     rect.left = newClientRect.left; rect.top = newClientRect.bottom;
1799                     rect.right = (wErase)?oldClientRect.right:newClientRect.right;
1800                     rect.bottom = oldClientRect.bottom;
1801                     wErase = 1;
1802                     PAINT_RedrawWindow( wndPtr->hwndSelf, &rect, 0,
1803                                       RDW_INVALIDATE | RDW_FRAME | RDW_ALLCHILDREN, 0 );
1804                 }
1805                 if( !wErase ) wndPtr->flags |= WIN_NEEDS_NCPAINT;
1806               }
1807     }
1808     else
1809     {
1810         RECT16 oldClientRect = wndPtr->rectClient;
1811
1812         wndPtr->rectWindow = newWindowRect;
1813         wndPtr->rectClient = newClientRect;
1814
1815         if( oldClientRect.bottom - oldClientRect.top ==
1816             newClientRect.bottom - newClientRect.top ) result &= ~WVR_VREDRAW;
1817
1818         if( oldClientRect.right - oldClientRect.left ==
1819             newClientRect.right - newClientRect.left ) result &= ~WVR_HREDRAW;
1820
1821         if( !(flags & (SWP_NOREDRAW | SWP_HIDEWINDOW | SWP_SHOWWINDOW)) )
1822           {
1823             uFlags |=  ((winpos->flags & SWP_NOCOPYBITS) ||
1824                         (result >= WVR_HREDRAW && result < WVR_VALIDRECTS)) ? SMC_NOCOPY : 0;
1825             uFlags |=  (winpos->flags & SWP_FRAMECHANGED) ? SMC_DRAWFRAME : 0;
1826
1827             if( (winpos->flags & SWP_AGG_NOGEOMETRYCHANGE) != SWP_AGG_NOGEOMETRYCHANGE )
1828                 uFlags = WINPOS_SizeMoveClean(wndPtr, visRgn, &oldWindowRect,
1829                                                               &oldClientRect, uFlags);
1830             else
1831               {
1832                 /* adjust frame and do not erase parent */
1833
1834                 if( winpos->flags & SWP_FRAMECHANGED ) wndPtr->flags |= WIN_NEEDS_NCPAINT;
1835                 if( winpos->flags & SWP_NOZORDER ) uFlags |= SMC_NOPARENTERASE;
1836               }
1837           }
1838         DeleteObject(visRgn);
1839     }
1840
1841     if (flags & SWP_SHOWWINDOW)
1842     {
1843         wndPtr->dwStyle |= WS_VISIBLE;
1844         if (wndPtr->window)
1845         {
1846             if( uFlags & SMC_SETXPOS )
1847             {
1848               WINPOS_SetXWindowPos( winpos );
1849               winpos->hwndInsertAfter = tempInsertAfter;
1850             }
1851             XMapWindow( display, wndPtr->window );
1852         }
1853         else
1854         {
1855             if (!(flags & SWP_NOREDRAW))
1856                 PAINT_RedrawWindow( winpos->hwnd, NULL, 0,
1857                                 RDW_INVALIDATE | RDW_ALLCHILDREN |
1858                                 RDW_FRAME | RDW_ERASENOW | RDW_ERASE, 0 );
1859         }
1860     }
1861     else if (flags & SWP_HIDEWINDOW)
1862     {
1863         wndPtr->dwStyle &= ~WS_VISIBLE;
1864         if (wndPtr->window)
1865         {
1866             XUnmapWindow( display, wndPtr->window );
1867             if( uFlags & SMC_SETXPOS )
1868             {
1869               WINPOS_SetXWindowPos( winpos );
1870               winpos->hwndInsertAfter = tempInsertAfter;
1871             }
1872         }
1873         else
1874         {
1875             if (!(flags & SWP_NOREDRAW))
1876             {
1877                 RECT32 rect = { oldWindowRect.left, oldWindowRect.top,
1878                                 oldWindowRect.right, oldWindowRect.bottom };
1879                 PAINT_RedrawWindow( wndPtr->parent->hwndSelf, &rect, 0,
1880                         RDW_INVALIDATE | RDW_ALLCHILDREN | RDW_ERASE | RDW_ERASENOW, 0);
1881             }
1882             uFlags |= SMC_NOPARENTERASE;
1883         }
1884
1885         if ((winpos->hwnd == GetFocus32()) ||
1886             IsChild( winpos->hwnd, GetFocus32()))
1887         {
1888             /* Revert focus to parent */
1889             SetFocus32( GetParent32(winpos->hwnd) );
1890         }
1891         if (hwnd == CARET_GetHwnd()) DestroyCaret();
1892
1893         if (winpos->hwnd == hwndActive)
1894         {
1895               /* Activate previously active window if possible */
1896             HWND newActive = hwndPrevActive;
1897             if (!IsWindow(newActive) || (newActive == winpos->hwnd))
1898             {
1899                 newActive = GetTopWindow( GetDesktopWindow32() );
1900                 if (newActive == winpos->hwnd)
1901                     newActive = wndPtr->next ? wndPtr->next->hwndSelf : 0;
1902             }
1903             WINPOS_ChangeActiveWindow( newActive, FALSE );
1904         }
1905     }
1906
1907       /* Activate the window */
1908
1909     if (!(flags & SWP_NOACTIVATE))
1910             WINPOS_ChangeActiveWindow( winpos->hwnd, FALSE );
1911
1912       /* Repaint the window */
1913
1914     if (wndPtr->window) EVENT_Synchronize();  /* Wait for all expose events */
1915
1916     EVENT_DummyMotionNotify(); /* Simulate a mouse event to set the cursor */
1917
1918     if (!(flags & SWP_DEFERERASE) && !(uFlags & SMC_NOPARENTERASE) )
1919     {
1920         RECT32  rect;
1921         CONV_RECT16TO32( &oldWindowRect, &rect );
1922         PAINT_RedrawWindow( wndPtr->parent->hwndSelf, (wndPtr->flags & WIN_SAVEUNDER_OVERRIDE)
1923                             ? &rect : NULL, 0, RDW_ALLCHILDREN | RDW_ERASENOW |
1924                           ((wndPtr->flags & WIN_SAVEUNDER_OVERRIDE) ? RDW_INVALIDATE : 0), 0 );
1925         wndPtr->flags &= ~WIN_SAVEUNDER_OVERRIDE;
1926     }
1927     else if( wndPtr->parent == WIN_GetDesktop() && wndPtr->parent->flags & WIN_NEEDS_ERASEBKGND )
1928         PAINT_RedrawWindow( wndPtr->parent->hwndSelf, NULL, 0, RDW_NOCHILDREN | RDW_ERASENOW, 0 );
1929
1930       /* And last, send the WM_WINDOWPOSCHANGED message */
1931
1932     dprintf_win(stddeb,"\tstatus flags = %04x\n", winpos->flags & SWP_AGG_STATUSFLAGS);
1933
1934     if ( ((winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOPOSCHANGE) &&
1935         !(winpos->flags & SWP_NOSENDCHANGING))
1936         SendMessage16( winpos->hwnd, WM_WINDOWPOSCHANGED,
1937                        0, (LPARAM)SEGPTR_GET(winpos) );
1938
1939     SEGPTR_FREE(winpos);
1940     return TRUE;
1941 }
1942
1943
1944 /***********************************************************************
1945  *           BeginDeferWindowPos   (USER.259)
1946  */
1947 HDWP16 BeginDeferWindowPos( INT count )
1948 {
1949     HDWP16 handle;
1950     DWP *pDWP;
1951
1952     if (count <= 0) return 0;
1953     handle = USER_HEAP_ALLOC( sizeof(DWP) + (count-1)*sizeof(WINDOWPOS16) );
1954     if (!handle) return 0;
1955     pDWP = (DWP *) USER_HEAP_LIN_ADDR( handle );
1956     pDWP->actualCount    = 0;
1957     pDWP->suggestedCount = count;
1958     pDWP->valid          = TRUE;
1959     pDWP->wMagic         = DWP_MAGIC;
1960     pDWP->hwndParent     = 0;
1961     return handle;
1962 }
1963
1964
1965 /***********************************************************************
1966  *           DeferWindowPos   (USER.260)
1967  */
1968 HDWP16 DeferWindowPos( HDWP16 hdwp, HWND hwnd, HWND hwndAfter, INT x, INT y,
1969                        INT cx, INT cy, UINT flags )
1970 {
1971     DWP *pDWP;
1972     int i;
1973     HDWP16 newhdwp = hdwp;
1974     HWND parent;
1975
1976     pDWP = (DWP *) USER_HEAP_LIN_ADDR( hdwp );
1977     if (!pDWP) return 0;
1978     if (hwnd == GetDesktopWindow32()) return 0;
1979
1980       /* All the windows of a DeferWindowPos() must have the same parent */
1981
1982     parent = WIN_FindWndPtr( hwnd )->parent->hwndSelf;
1983     if (pDWP->actualCount == 0) pDWP->hwndParent = parent;
1984     else if (parent != pDWP->hwndParent)
1985     {
1986         USER_HEAP_FREE( hdwp );
1987         return 0;
1988     }
1989
1990     for (i = 0; i < pDWP->actualCount; i++)
1991     {
1992         if (pDWP->winPos[i].hwnd == hwnd)
1993         {
1994               /* Merge with the other changes */
1995             if (!(flags & SWP_NOZORDER))
1996             {
1997                 pDWP->winPos[i].hwndInsertAfter = hwndAfter;
1998             }
1999             if (!(flags & SWP_NOMOVE))
2000             {
2001                 pDWP->winPos[i].x = x;
2002                 pDWP->winPos[i].y = y;
2003             }
2004             if (!(flags & SWP_NOSIZE))
2005             {
2006                 pDWP->winPos[i].cx = cx;
2007                 pDWP->winPos[i].cy = cy;
2008             }
2009             pDWP->winPos[i].flags &= flags & (SWP_NOSIZE | SWP_NOMOVE |
2010                                               SWP_NOZORDER | SWP_NOREDRAW |
2011                                               SWP_NOACTIVATE | SWP_NOCOPYBITS |
2012                                               SWP_NOOWNERZORDER);
2013             pDWP->winPos[i].flags |= flags & (SWP_SHOWWINDOW | SWP_HIDEWINDOW |
2014                                               SWP_FRAMECHANGED);
2015             return hdwp;
2016         }
2017     }
2018     if (pDWP->actualCount >= pDWP->suggestedCount)
2019     {
2020         newhdwp = USER_HEAP_REALLOC( hdwp,
2021                       sizeof(DWP) + pDWP->suggestedCount*sizeof(WINDOWPOS16) );
2022         if (!newhdwp) return 0;
2023         pDWP = (DWP *) USER_HEAP_LIN_ADDR( newhdwp );
2024         pDWP->suggestedCount++;
2025     }
2026     pDWP->winPos[pDWP->actualCount].hwnd = hwnd;
2027     pDWP->winPos[pDWP->actualCount].hwndInsertAfter = hwndAfter;
2028     pDWP->winPos[pDWP->actualCount].x = x;
2029     pDWP->winPos[pDWP->actualCount].y = y;
2030     pDWP->winPos[pDWP->actualCount].cx = cx;
2031     pDWP->winPos[pDWP->actualCount].cy = cy;
2032     pDWP->winPos[pDWP->actualCount].flags = flags;
2033     pDWP->actualCount++;
2034     return newhdwp;
2035 }
2036
2037
2038 /***********************************************************************
2039  *           EndDeferWindowPos   (USER.261)
2040  */
2041 BOOL EndDeferWindowPos( HDWP16 hdwp )
2042 {
2043     DWP *pDWP;
2044     WINDOWPOS16 *winpos;
2045     BOOL res = TRUE;
2046     int i;
2047
2048     pDWP = (DWP *) USER_HEAP_LIN_ADDR( hdwp );
2049     if (!pDWP) return FALSE;
2050     for (i = 0, winpos = pDWP->winPos; i < pDWP->actualCount; i++, winpos++)
2051     {
2052         if (!(res = SetWindowPos( winpos->hwnd, winpos->hwndInsertAfter,
2053                                   winpos->x, winpos->y, winpos->cx, winpos->cy,
2054                                   winpos->flags ))) break;
2055     }
2056     USER_HEAP_FREE( hdwp );
2057     return res;
2058 }
2059
2060
2061 /***********************************************************************
2062  *           TileChildWindows   (USER.199)
2063  */
2064 void TileChildWindows( HWND parent, WORD action )
2065 {
2066     printf("STUB TileChildWindows(%04x, %d)\n", parent, action);
2067 }
2068
2069 /***********************************************************************
2070  *           CascageChildWindows   (USER.198)
2071  */
2072 void CascadeChildWindows( HWND parent, WORD action )
2073 {
2074     printf("STUB CascadeChildWindows(%04x, %d)\n", parent, action);
2075 }