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( WND* wndScope, 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 = wndScope->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 scope window */
 302         if (!*ppWnd)
 303         {
 304             *ppWnd = wndScope;
 305             if( pt.x >= (wndScope->rectClient.left - wndScope->rectWindow.left) &&
 306                 pt.x >= (wndScope->rectClient.top - wndScope->rectWindow.top ) &&
 307                 pt.x <= (wndScope->rectClient.right - wndScope->rectWindow.left) &&
 308                 pt.x <= (wndScope->rectClient.bottom - wndScope->rectWindow.top ) )
 309                 return HTCLIENT;
 310             if( pt.x < 0 || pt.y < 0 ||
 311                 pt.x > (wndScope->rectWindow.right - wndScope->rectWindow.left) ||
 312                 pt.y > (wndScope->rectWindow.bottom - wndScope->rectWindow.top ) )
 313                 return HTNOWHERE;
 314             return HTCAPTION;   /* doesn't matter in this case */
 315         }
 316
 317         /* Send the WM_NCHITTEST message (only if to the same task) */
 318         if ((*ppWnd)->hmemTaskQ != GetTaskQueue(0)) return HTCLIENT;
 319         hittest = (INT)SendMessage16( (*ppWnd)->hwndSelf, WM_NCHITTEST, 0,
 320                                     MAKELONG( pt.x, pt.y ) );
 321         if (hittest != HTTRANSPARENT) return hittest;  /* Found the window */
 322
 323         /* If no children found in last search, make point relative to parent*/
 324         if (!wndPtr)
 325         {
 326             x += (*ppWnd)->rectClient.left;
 327             y += (*ppWnd)->rectClient.top;
 328         }
 329
 330         /* Restart the search from the next sibling */
 331         wndPtr = (*ppWnd)->next;
 332         *ppWnd = (*ppWnd)->parent;
 333     }
 334 }
 335
 336
 337 /*******************************************************************
 338  *         WindowFromPoint16   (USER.30)
 339  */
 340 HWND16  WindowFromPoint16( POINT16 pt )
 341 {
 342     WND *pWnd;
 343     WINPOS_WindowFromPoint( WIN_GetDesktop(), pt, &pWnd );
 344     return pWnd->hwndSelf;
 345 }
 346
 347
 348 /*******************************************************************
 349  *         WindowFromPoint32   (USER32.581)
 350  */
 351 HWND32 WindowFromPoint32( POINT32 pt )
 352 {
 353     WND *pWnd;
 354     POINT16 pt16;
 355     CONV_POINT32TO16( &pt, &pt16 );
 356     WINPOS_WindowFromPoint( WIN_GetDesktop(), pt16, &pWnd );
 357     return (HWND32)pWnd->hwndSelf;
 358 }
 359
 360
 361 /*******************************************************************
 362  *         ChildWindowFromPoint16   (USER.191)
 363  */
 364 HWND16 ChildWindowFromPoint16( HWND16 hwndParent, POINT16 pt )
 365 {
 366     /* pt is in the client coordinates */
 367
 368     WND* wnd = WIN_FindWndPtr(hwndParent);
 369     RECT16 rect;
 370
 371     if( !wnd ) return 0;
 372
 373     /* get client rect fast */
 374     rect.top = rect.left = 0;
 375     rect.right = wnd->rectClient.right - wnd->rectClient.left;
 376     rect.bottom = wnd->rectClient.bottom - wnd->rectClient.top;
 377
 378     if (!PtInRect16( &rect, pt )) return 0;
 379
 380     wnd = wnd->child;
 381     while ( wnd )
 382     {
 383         if (PtInRect16( &wnd->rectWindow, pt )) return wnd->hwndSelf;
 384         wnd = wnd->next;
 385     }
 386     return hwndParent;
 387 }
 388
 389
 390 /*******************************************************************
 391  *         ChildWindowFromPoint32   (USER32.)
 392  */
 393 HWND32 ChildWindowFromPoint32( HWND32 hwndParent, POINT32 pt )
 394 {
 395     POINT16 pt16;
 396     CONV_POINT32TO16( &pt, &pt16 );
 397     return (HWND32)ChildWindowFromPoint16( hwndParent, pt16 );
 398 }
 399
 400
 401 /*******************************************************************
 402  *         WINPOS_GetWinOffset
 403  *
 404  * Calculate the offset between the origin of the two windows. Used
 405  * to implement MapWindowPoints.
 406  */
 407 static void WINPOS_GetWinOffset( HWND32 hwndFrom, HWND32 hwndTo,
 408                                  POINT32 *offset )
 409 {
 410     WND * wndPtr;
 411
 412     offset->x = offset->y = 0;
 413     if (hwndFrom == hwndTo ) return;
 414
 415       /* Translate source window origin to screen coords */
 416     if (hwndFrom)
 417     {
 418         if (!(wndPtr = WIN_FindWndPtr( hwndFrom )))
 419         {
 420             fprintf(stderr,"MapWindowPoints: bad hwndFrom = %04x\n",hwndFrom);
 421             return;
 422         }
 423         while (wndPtr->parent)
 424         {
 425             offset->x += wndPtr->rectClient.left;
 426             offset->y += wndPtr->rectClient.top;
 427             wndPtr = wndPtr->parent;
 428         }
 429     }
 430
 431       /* Translate origin to destination window coords */
 432     if (hwndTo)
 433     {
 434         if (!(wndPtr = WIN_FindWndPtr( hwndTo )))
 435         {
 436             fprintf(stderr,"MapWindowPoints: bad hwndTo = %04x\n", hwndTo );
 437             return;
 438         }
 439         while (wndPtr->parent)
 440         {
 441             offset->x -= wndPtr->rectClient.left;
 442             offset->y -= wndPtr->rectClient.top;
 443             wndPtr = wndPtr->parent;
 444         }
 445     }
 446 }
 447
 448
 449 /*******************************************************************
 450  *         MapWindowPoints16   (USER.258)
 451  */
 452 void MapWindowPoints16( HWND16 hwndFrom, HWND16 hwndTo,
 453                         LPPOINT16 lppt, UINT16 count )
 454 {
 455     POINT32 offset;
 456
 457     WINPOS_GetWinOffset( hwndFrom, hwndTo, &offset );
 458     while (count--)
 459     {
 460         lppt->x += offset.x;
 461         lppt->y += offset.y;
 462         lppt++;
 463     }
 464 }
 465
 466
 467 /*******************************************************************
 468  *         MapWindowPoints32   (USER32.385)
 469  */
 470 void MapWindowPoints32( HWND32 hwndFrom, HWND32 hwndTo,
 471                         LPPOINT32 lppt, UINT32 count )
 472 {
 473     POINT32 offset;
 474
 475     WINPOS_GetWinOffset( hwndFrom, hwndTo, &offset );
 476     while (count--)
 477     {
 478         lppt->x += offset.x;
 479         lppt->y += offset.y;
 480         lppt++;
 481     }
 482 }
 483
 484
 485 /***********************************************************************
 486  *           IsIconic   (USER.31)
 487  */
 488 BOOL IsIconic(HWND hWnd)
 489 {
 490     WND * wndPtr = WIN_FindWndPtr(hWnd);
 491     if (wndPtr == NULL) return FALSE;
 492     return (wndPtr->dwStyle & WS_MINIMIZE) != 0;
 493 }
 494
 495
 496 /***********************************************************************
 497  *           IsZoomed   (USER.272)
 498  */
 499 BOOL IsZoomed(HWND hWnd)
 500 {
 501     WND * wndPtr = WIN_FindWndPtr(hWnd);
 502     if (wndPtr == NULL) return FALSE;
 503     return (wndPtr->dwStyle & WS_MAXIMIZE) != 0;
 504 }
 505
 506
 507 /*******************************************************************
 508  *         GetActiveWindow    (USER.60)
 509  */
 510 HWND GetActiveWindow(void)
 511 {
 512     return hwndActive;
 513 }
 514
 515
 516 /*******************************************************************
 517  *         WINPOS_IsGoodEnough
 518  */
 519 static BOOL32 WINPOS_IsGoodEnough(WND* pWnd)
 520 {
 521  return (pWnd) ? ((!(pWnd->dwStyle & WS_DISABLED) &&
 522                      pWnd->dwStyle & WS_VISIBLE ) ? TRUE : FALSE) : FALSE;
 523 }
 524
 525
 526 /*******************************************************************
 527  *         SetActiveWindow    (USER.59)
 528  */
 529 HWND SetActiveWindow( HWND hwnd )
 530 {
 531     HWND prev = hwndActive;
 532     WND *wndPtr = WIN_FindWndPtr( hwnd );
 533
 534     if ( !WINPOS_IsGoodEnough(wndPtr) ) return 0;
 535
 536     WINPOS_SetActiveWindow( hwnd, 0, 0 );
 537     return prev;
 538 }
 539
 540
 541 /***********************************************************************
 542  *           BringWindowToTop   (USER.45)
 543  */
 544 BOOL BringWindowToTop( HWND hwnd )
 545 {
 546     return SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE );
 547 }
 548
 549
 550 /***********************************************************************
 551  *           MoveWindow   (USER.56)
 552  */
 553 BOOL MoveWindow( HWND hwnd, short x, short y, short cx, short cy, BOOL repaint)
 554 {
 555     int flags = SWP_NOZORDER | SWP_NOACTIVATE;
 556     if (!repaint) flags |= SWP_NOREDRAW;
 557     dprintf_win(stddeb, "MoveWindow: %04x %d,%d %dx%d %d\n",
 558             hwnd, x, y, cx, cy, repaint );
 559     return SetWindowPos( hwnd, 0, x, y, cx, cy, flags );
 560 }
 561
 562
 563 /***********************************************************************
 564  *           ShowWindow   (USER.42)
 565  */
 566 BOOL ShowWindow( HWND hwnd, int cmd )
 567 {
 568     WND * wndPtr = WIN_FindWndPtr( hwnd );
 569     BOOL32 wasVisible, showFlag;
 570     POINT16 maxSize;
 571     int swpflags = 0;
 572     short x = 0, y = 0, cx = 0, cy = 0;
 573
 574     if (!wndPtr) return FALSE;
 575
 576     dprintf_win(stddeb,"ShowWindow: hwnd=%04x, cmd=%d\n", hwnd, cmd);
 577
 578     wasVisible = (wndPtr->dwStyle & WS_VISIBLE) != 0;
 579
 580     switch(cmd)
 581     {
 582         case SW_HIDE:
 583             if (!wasVisible) return FALSE;
 584             swpflags |= SWP_HIDEWINDOW | SWP_NOSIZE | SWP_NOMOVE |
 585                         SWP_NOACTIVATE | SWP_NOZORDER;
 586             break;
 587
 588         case SW_SHOWMINNOACTIVE:
 589             swpflags |= SWP_NOACTIVATE | SWP_NOZORDER;
 590             /* fall through */
 591         case SW_SHOWMINIMIZED:
 592             swpflags |= SWP_SHOWWINDOW;
 593             /* fall through */
 594         case SW_MINIMIZE:
 595             swpflags |= SWP_FRAMECHANGED;
 596             if (!(wndPtr->dwStyle & WS_MINIMIZE))
 597             {
 598                 if( HOOK_CallHooks16( WH_CBT, HCBT_MINMAX, hwnd, cmd) )
 599                     return 0;
 600
 601                 if (wndPtr->dwStyle & WS_MAXIMIZE)
 602                 {
 603                     wndPtr->flags |= WIN_RESTORE_MAX;
 604                     wndPtr->dwStyle &= ~WS_MAXIMIZE;
 605                 }
 606                 else
 607                 {
 608                     wndPtr->flags &= ~WIN_RESTORE_MAX;
 609                     wndPtr->rectNormal = wndPtr->rectWindow;
 610                 }
 611                 wndPtr->dwStyle |= WS_MINIMIZE;
 612                 WINPOS_FindIconPos( hwnd );
 613                 x  = wndPtr->ptIconPos.x;
 614                 y  = wndPtr->ptIconPos.y;
 615                 cx = SYSMETRICS_CXICON;
 616                 cy = SYSMETRICS_CYICON;
 617                 swpflags |= SWP_NOCOPYBITS;
 618             }
 619             else swpflags |= SWP_NOSIZE | SWP_NOMOVE;
 620             break;
 621
 622         case SW_SHOWMAXIMIZED: /* same as SW_MAXIMIZE: */
 623             swpflags |= SWP_SHOWWINDOW | SWP_FRAMECHANGED;
 624             if (!(wndPtr->dwStyle & WS_MAXIMIZE))
 625             {
 626                 if( HOOK_CallHooks16( WH_CBT, HCBT_MINMAX, hwnd, cmd) )
 627                     return 0;
 628
 629                   /* Store the current position and find the maximized size */
 630                 if (!(wndPtr->dwStyle & WS_MINIMIZE))
 631                     wndPtr->rectNormal = wndPtr->rectWindow;
 632
 633                 NC_GetMinMaxInfo( wndPtr, &maxSize,
 634                                   &wndPtr->ptMaxPos, NULL, NULL );
 635                 x  = wndPtr->ptMaxPos.x;
 636                 y  = wndPtr->ptMaxPos.y;
 637
 638                 if( wndPtr->dwStyle & WS_MINIMIZE )
 639                     if( !SendMessage16( hwnd, WM_QUERYOPEN, 0, 0L ) )
 640                         {
 641                          swpflags |= SWP_NOSIZE | SWP_NOMOVE;
 642                          break;
 643                         }
 644                     else swpflags |= SWP_NOCOPYBITS;
 645
 646                 cx = maxSize.x;
 647                 cy = maxSize.y;
 648                 wndPtr->dwStyle &= ~WS_MINIMIZE;
 649                 wndPtr->dwStyle |= WS_MAXIMIZE;
 650             }
 651             else swpflags |= SWP_NOSIZE | SWP_NOMOVE;
 652             break;
 653
 654         case SW_SHOWNA:
 655             swpflags |= SWP_NOACTIVATE | SWP_NOZORDER;
 656             /* fall through */
 657         case SW_SHOW:
 658             swpflags |= SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE;
 659             break;
 660
 661         case SW_SHOWNOACTIVATE:
 662             swpflags |= SWP_NOZORDER;
 663             if (GetActiveWindow()) swpflags |= SWP_NOACTIVATE;
 664             /* fall through */
 665         case SW_SHOWNORMAL:  /* same as SW_NORMAL: */
 666         case SW_SHOWDEFAULT: /* FIXME: should have its own handler */
 667         case SW_RESTORE:
 668             swpflags |= SWP_SHOWWINDOW | SWP_FRAMECHANGED;
 669
 670             if (wndPtr->dwStyle & WS_MINIMIZE)
 671             {
 672                 if( HOOK_CallHooks16( WH_CBT, HCBT_MINMAX, hwnd, cmd) )
 673                     return 0;
 674
 675                 if( !SendMessage16( hwnd, WM_QUERYOPEN, 0, 0L) )
 676                   {
 677                     swpflags |= SWP_NOSIZE | SWP_NOMOVE;
 678                     break;
 679                   }
 680                 wndPtr->ptIconPos.x = wndPtr->rectWindow.left;
 681                 wndPtr->ptIconPos.y = wndPtr->rectWindow.top;
 682                 wndPtr->dwStyle &= ~WS_MINIMIZE;
 683                 if (wndPtr->flags & WIN_RESTORE_MAX)
 684                 {
 685                     /* Restore to maximized position */
 686                     NC_GetMinMaxInfo( wndPtr, &maxSize, &wndPtr->ptMaxPos,
 687                                       NULL, NULL );
 688                     x  = wndPtr->ptMaxPos.x;
 689                     y  = wndPtr->ptMaxPos.y;
 690                     cx = maxSize.x;
 691                     cy = maxSize.y;
 692                    wndPtr->dwStyle |= WS_MAXIMIZE;
 693                 }
 694                 else  /* Restore to normal position */
 695                 {
 696                     x  = wndPtr->rectNormal.left;
 697                     y  = wndPtr->rectNormal.top;
 698                     cx = wndPtr->rectNormal.right - wndPtr->rectNormal.left;
 699                     cy = wndPtr->rectNormal.bottom - wndPtr->rectNormal.top;
 700                 }
 701                 swpflags |= SWP_NOCOPYBITS;
 702             }
 703             else if (wndPtr->dwStyle & WS_MAXIMIZE)
 704             {
 705                 if( HOOK_CallHooks16( WH_CBT, HCBT_MINMAX, hwnd, cmd) )
 706                     return 0;
 707
 708                 wndPtr->ptMaxPos.x = wndPtr->rectWindow.left;
 709                 wndPtr->ptMaxPos.y = wndPtr->rectWindow.top;
 710                 wndPtr->dwStyle &= ~WS_MAXIMIZE;
 711                 x  = wndPtr->rectNormal.left;
 712                 y  = wndPtr->rectNormal.top;
 713                 cx = wndPtr->rectNormal.right - wndPtr->rectNormal.left;
 714                 cy = wndPtr->rectNormal.bottom - wndPtr->rectNormal.top;
 715             }
 716             else swpflags |= SWP_NOSIZE | SWP_NOMOVE;
 717             break;
 718     }
 719
 720     showFlag = (cmd != SW_HIDE);
 721     if (showFlag != wasVisible)
 722     {
 723         SendMessage16( hwnd, WM_SHOWWINDOW, showFlag, 0 );
 724         if (!IsWindow( hwnd )) return wasVisible;
 725     }
 726
 727     if ((wndPtr->dwStyle & WS_CHILD) &&
 728         !IsWindowVisible( wndPtr->parent->hwndSelf ) &&
 729         (swpflags & SWP_NOSIZE) && (swpflags & SWP_NOMOVE))
 730     {
 731         /* Don't call SetWindowPos() on invisible child windows */
 732         if (cmd == SW_HIDE) wndPtr->dwStyle &= ~WS_VISIBLE;
 733         else wndPtr->dwStyle |= WS_VISIBLE;
 734     }
 735     else
 736     {
 737         /* We can't activate a child window */
 738         if (wndPtr->dwStyle & WS_CHILD)
 739             swpflags |= SWP_NOACTIVATE | SWP_NOZORDER;
 740         SetWindowPos( hwnd, HWND_TOP, x, y, cx, cy, swpflags );
 741         if (!IsWindow( hwnd )) return wasVisible;
 742     }
 743
 744     if (wndPtr->flags & WIN_NEED_SIZE)
 745     {
 746         /* should happen only in CreateWindowEx() */
 747         int wParam = SIZE_RESTORED;
 748
 749         wndPtr->flags &= ~WIN_NEED_SIZE;
 750         if (wndPtr->dwStyle & WS_MAXIMIZE) wParam = SIZE_MAXIMIZED;
 751         else if (wndPtr->dwStyle & WS_MINIMIZE) wParam = SIZE_MINIMIZED;
 752         SendMessage16( hwnd, WM_SIZE, wParam,
 753                      MAKELONG(wndPtr->rectClient.right-wndPtr->rectClient.left,
 754                             wndPtr->rectClient.bottom-wndPtr->rectClient.top));
 755         SendMessage16( hwnd, WM_MOVE, 0,
 756                    MAKELONG(wndPtr->rectClient.left, wndPtr->rectClient.top) );
 757     }
 758
 759     return wasVisible;
 760 }
 761
 762
 763 /***********************************************************************
 764  *           GetInternalWindowPos16   (USER.460)
 765  */
 766 UINT16 GetInternalWindowPos16( HWND16 hwnd, LPRECT16 rectWnd, LPPOINT16 ptIcon)
 767 {
 768     WINDOWPLACEMENT16 wndpl;
 769     if (!GetWindowPlacement16( hwnd, &wndpl )) return 0;
 770     if (rectWnd) *rectWnd = wndpl.rcNormalPosition;
 771     if (ptIcon)  *ptIcon = wndpl.ptMinPosition;
 772     return wndpl.showCmd;
 773 }
 774
 775
 776 /***********************************************************************
 777  *           GetInternalWindowPos32   (USER32.244)
 778  */
 779 UINT32 GetInternalWindowPos32( HWND32 hwnd, LPRECT32 rectWnd, LPPOINT32 ptIcon)
 780 {
 781     WINDOWPLACEMENT32 wndpl;
 782     if (!GetWindowPlacement32( hwnd, &wndpl )) return 0;
 783     if (rectWnd) *rectWnd = wndpl.rcNormalPosition;
 784     if (ptIcon)  *ptIcon = wndpl.ptMinPosition;
 785     return wndpl.showCmd;
 786 }
 787
 788
 789 /***********************************************************************
 790  *           SetInternalWindowPos16   (USER.461)
 791  */
 792 void SetInternalWindowPos16( HWND16 hwnd, UINT16 showCmd,
 793                              LPRECT16 rect, LPPOINT16 pt )
 794 {
 795     WINDOWPLACEMENT16 wndpl;
 796     WND *wndPtr = WIN_FindWndPtr( hwnd );
 797
 798     wndpl.length  = sizeof(wndpl);
 799     wndpl.flags   = (pt != NULL) ? WPF_SETMINPOSITION : 0;
 800     wndpl.showCmd = showCmd;
 801     if (pt) wndpl.ptMinPosition = *pt;
 802     wndpl.rcNormalPosition = (rect != NULL) ? *rect : wndPtr->rectNormal;
 803     wndpl.ptMaxPosition = wndPtr->ptMaxPos;
 804     SetWindowPlacement16( hwnd, &wndpl );
 805 }
 806
 807
 808 /***********************************************************************
 809  *           SetInternalWindowPos32   (USER32.482)
 810  */
 811 void SetInternalWindowPos32( HWND32 hwnd, UINT32 showCmd,
 812                              LPRECT32 rect, LPPOINT32 pt )
 813 {
 814     WINDOWPLACEMENT32 wndpl;
 815     WND *wndPtr = WIN_FindWndPtr( hwnd );
 816
 817     wndpl.length  = sizeof(wndpl);
 818     wndpl.flags   = (pt != NULL) ? WPF_SETMINPOSITION : 0;
 819     wndpl.showCmd = showCmd;
 820     if (pt) wndpl.ptMinPosition = *pt;
 821     if (rect) wndpl.rcNormalPosition = *rect;
 822     else CONV_RECT16TO32( &wndPtr->rectNormal, &wndpl.rcNormalPosition );
 823     CONV_POINT16TO32( &wndPtr->ptMaxPos, &wndpl.ptMaxPosition );
 824     SetWindowPlacement32( hwnd, &wndpl );
 825 }
 826
 827
 828 /***********************************************************************
 829  *           GetWindowPlacement16   (USER.370)
 830  */
 831 BOOL16 GetWindowPlacement16( HWND16 hwnd, WINDOWPLACEMENT16 *wndpl )
 832 {
 833     WND *wndPtr = WIN_FindWndPtr( hwnd );
 834     if (!wndPtr) return FALSE;
 835
 836     wndpl->length  = sizeof(*wndpl);
 837     wndpl->flags   = 0;
 838     wndpl->showCmd = IsZoomed(hwnd) ? SW_SHOWMAXIMIZED :
 839                      (IsIconic(hwnd) ? SW_SHOWMINIMIZED : SW_SHOWNORMAL);
 840     wndpl->ptMinPosition = wndPtr->ptIconPos;
 841     wndpl->ptMaxPosition = wndPtr->ptMaxPos;
 842     wndpl->rcNormalPosition = wndPtr->rectNormal;
 843     return TRUE;
 844 }
 845
 846
 847 /***********************************************************************
 848  *           GetWindowPlacement32   (USER32.306)
 849  */
 850 BOOL32 GetWindowPlacement32( HWND32 hwnd, WINDOWPLACEMENT32 *wndpl )
 851 {
 852     WND *wndPtr = WIN_FindWndPtr( hwnd );
 853     if (!wndPtr) return FALSE;
 854
 855     wndpl->length  = sizeof(*wndpl);
 856     wndpl->flags   = 0;
 857     wndpl->showCmd = IsZoomed(hwnd) ? SW_SHOWMAXIMIZED :
 858                      (IsIconic(hwnd) ? SW_SHOWMINIMIZED : SW_SHOWNORMAL);
 859     CONV_POINT16TO32( &wndPtr->ptIconPos, &wndpl->ptMinPosition );
 860     CONV_POINT16TO32( &wndPtr->ptMaxPos, &wndpl->ptMaxPosition );
 861     CONV_RECT16TO32( &wndPtr->rectNormal, &wndpl->rcNormalPosition );
 862     return TRUE;
 863 }
 864
 865
 866 /***********************************************************************
 867  *           SetWindowPlacement16   (USER.371)
 868  */
 869 BOOL16 SetWindowPlacement16( HWND16 hwnd, const WINDOWPLACEMENT16 *wndpl )
 870 {
 871     WND *wndPtr = WIN_FindWndPtr( hwnd );
 872     if (!wndPtr) return FALSE;
 873
 874     if (wndpl->flags & WPF_SETMINPOSITION)
 875         wndPtr->ptIconPos = wndpl->ptMinPosition;
 876     if ((wndpl->flags & WPF_RESTORETOMAXIMIZED) &&
 877         (wndpl->showCmd == SW_SHOWMINIMIZED)) wndPtr->flags |= WIN_RESTORE_MAX;
 878     wndPtr->ptMaxPos   = wndpl->ptMaxPosition;
 879     wndPtr->rectNormal = wndpl->rcNormalPosition;
 880     ShowWindow( hwnd, wndpl->showCmd );
 881     return TRUE;
 882 }
 883
 884
 885 /***********************************************************************
 886  *           SetWindowPlacement32   (USER32.518)
 887  */
 888 BOOL32 SetWindowPlacement32( HWND32 hwnd, const WINDOWPLACEMENT32 *wndpl )
 889 {
 890     WND *wndPtr = WIN_FindWndPtr( hwnd );
 891     if (!wndPtr) return FALSE;
 892
 893     if (wndpl->flags & WPF_SETMINPOSITION)
 894         CONV_POINT32TO16( &wndpl->ptMinPosition, &wndPtr->ptIconPos );
 895     if ((wndpl->flags & WPF_RESTORETOMAXIMIZED) &&
 896         (wndpl->showCmd == SW_SHOWMINIMIZED)) wndPtr->flags |= WIN_RESTORE_MAX;
 897     CONV_POINT32TO16( &wndpl->ptMaxPosition, &wndPtr->ptMaxPos );
 898     CONV_RECT32TO16( &wndpl->rcNormalPosition, &wndPtr->rectNormal );
 899     ShowWindow( hwnd, wndpl->showCmd );
 900     return TRUE;
 901 }
 902
 903
 904 /***********************************************************************
 905  *           WINPOS_ForceXWindowRaise
 906  *
 907  * Raise a window on top of the X stacking order, while preserving
 908  * the correct Windows Z order.
 909  */
 910 static void WINPOS_ForceXWindowRaise( WND* pWnd )
 911 {
 912     XWindowChanges winChanges;
 913     WND *wndPrev;
 914
 915     /* Raise all windows up to pWnd according to their Z order.
 916      * (it would be easier with sibling-related Below but it doesn't
 917      * work very well with SGI mwm for instance)
 918      */
 919     winChanges.stack_mode = Above;
 920     while (pWnd)
 921     {
 922         if (pWnd->window) XReconfigureWMWindow( display, pWnd->window, 0,
 923                                                 CWStackMode, &winChanges );
 924         wndPrev = WIN_GetDesktop()->child;
 925         if (wndPrev == pWnd) break;
 926         while (wndPrev && (wndPrev->next != pWnd)) wndPrev = wndPrev->next;
 927         pWnd = wndPrev;
 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_CallHooks16( WH_CBT, HCBT_ACTIVATE, (WPARAM16)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, (WPARAM16)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                  params->rgrc[0].left, params->rgrc[0].top,
1204                  params->rgrc[0].right, params->rgrc[0].bottom );
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( wndPtr, &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( wndPtr, &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           if (w != wndPtr) 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 = CreateRectRgn32(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  CombineRgn32( dirtyRgn, newVisRgn, 0, RGN_COPY);
1405
1406  if( !(uFlags & SMC_NOCOPY) )
1407    CombineRgn32( newVisRgn, newVisRgn, oldVisRgn, RGN_AND );
1408
1409  /* map regions to the parent client area */
1410
1411  OffsetRgn32( dirtyRgn, Wnd->rectWindow.left, Wnd->rectWindow.top );
1412  OffsetRgn32( oldVisRgn, lpOldWndRect->left, lpOldWndRect->top );
1413
1414  /* compute invalidated region outside Wnd - (in client coordinates of the parent window) */
1415
1416  other = CombineRgn32(dirtyRgn, oldVisRgn, dirtyRgn, RGN_DIFF);
1417
1418  /* map visible region to the Wnd client area */
1419
1420  OffsetRgn32( 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) ? CombineRgn32( newVisRgn, newVisRgn,
1426                                              Wnd->hrgnUpdate, RGN_DIFF)
1427                              : COMPLEXREGION;
1428
1429  if( uFlags & SMC_NOCOPY )      /* invalidate Wnd visible region */
1430    {
1431      if (my != NULLREGION)
1432          PAINT_RedrawWindow( Wnd->hwndSelf, NULL, newVisRgn, RDW_INVALIDATE |
1433           RDW_FRAME | RDW_ALLCHILDREN | RDW_ERASE, RDW_C_USEHRGN );
1434      else if(uFlags & SMC_DRAWFRAME)
1435          Wnd->flags |= WIN_NEEDS_NCPAINT;
1436    }
1437  else                   /* bitblt old client area */
1438    {
1439      HDC32 hDC;
1440      int   update;
1441      HRGN32 updateRgn;
1442      int   xfrom,yfrom,xto,yto,width,height;
1443
1444      if( uFlags & SMC_DRAWFRAME )
1445        {
1446          /* copy only client area, frame will be redrawn anyway */
1447
1448          xfrom = lpOldClientRect->left; yfrom = lpOldClientRect->top;
1449          xto = Wnd->rectClient.left; yto = Wnd->rectClient.top;
1450          width = lpOldClientRect->right - xfrom; height = lpOldClientRect->bottom - yfrom;
1451          updateRgn = CreateRectRgn32( 0, 0, width, height );
1452          CombineRgn32( newVisRgn, newVisRgn, updateRgn, RGN_AND );
1453          SetRectRgn( updateRgn, 0, 0, Wnd->rectClient.right - xto, Wnd->rectClient.bottom - yto );
1454        }
1455      else
1456        {
1457          xfrom = lpOldWndRect->left; yfrom = lpOldWndRect->top;
1458          xto = Wnd->rectWindow.left; yto = Wnd->rectWindow.top;
1459          width = lpOldWndRect->right - xfrom; height = lpOldWndRect->bottom - yfrom;
1460          updateRgn = CreateRectRgn32( xto - Wnd->rectClient.left,
1461                                       yto - Wnd->rectClient.top,
1462                                 Wnd->rectWindow.right - Wnd->rectClient.left,
1463                                 Wnd->rectWindow.bottom - Wnd->rectClient.top );
1464        }
1465
1466      CombineRgn32( newVisRgn, newVisRgn, updateRgn, RGN_AND );
1467
1468      /* substract new visRgn from target rect to get a region that won't be copied */
1469
1470      update = CombineRgn32( updateRgn, updateRgn, newVisRgn, RGN_DIFF );
1471
1472      /* Blt valid bits using parent window DC */
1473
1474      if( my != NULLREGION && (xfrom != xto || yfrom != yto) )
1475        {
1476
1477          /* compute clipping region in parent client coordinates */
1478
1479          OffsetRgn32( newVisRgn, Wnd->rectClient.left, Wnd->rectClient.top );
1480          CombineRgn32( oldVisRgn, oldVisRgn, newVisRgn, RGN_OR );
1481
1482          hDC = GetDCEx32( Wnd->parent->hwndSelf, oldVisRgn,
1483                           DCX_KEEPCLIPRGN | DCX_INTERSECTRGN |
1484                           DCX_CACHE | DCX_CLIPSIBLINGS);
1485
1486          BitBlt32( hDC, xto, yto, width, height, hDC, xfrom, yfrom, SRCCOPY );
1487          ReleaseDC32( Wnd->parent->hwndSelf, hDC);
1488        }
1489
1490      if( update != NULLREGION )
1491          PAINT_RedrawWindow( Wnd->hwndSelf, NULL, updateRgn, RDW_INVALIDATE |
1492                          RDW_FRAME | RDW_ALLCHILDREN | RDW_ERASE, RDW_C_USEHRGN );
1493      else if( uFlags & SMC_DRAWFRAME ) Wnd->flags |= WIN_NEEDS_NCPAINT;
1494      DeleteObject32( updateRgn );
1495    }
1496
1497  /* erase uncovered areas */
1498
1499  if( !(uFlags & SMC_NOPARENTERASE) && (other != NULLREGION ) )
1500       PAINT_RedrawWindow( Wnd->parent->hwndSelf, NULL, dirtyRgn,
1501                         RDW_INVALIDATE | RDW_ALLCHILDREN | RDW_ERASE, RDW_C_USEHRGN );
1502  DeleteObject32(dirtyRgn);
1503  DeleteObject32(newVisRgn);
1504  return uFlags;
1505 }
1506
1507
1508 /***********************************************************************
1509  *           WINPOS_FindDeskTopXWindow
1510  *
1511  * Find the actual X window which needs be restacked.
1512  * Used by WINPOS_SetXWindowPos().
1513  */
1514 static Window WINPOS_FindDeskTopXWindow( WND *wndPtr )
1515 {
1516     if (!(wndPtr->flags & WIN_MANAGED))
1517         return wndPtr->window;
1518     else
1519     {
1520         Window window, root, parent, *children;
1521         int nchildren;
1522         window = wndPtr->window;
1523         for (;;)
1524         {
1525             XQueryTree( display, window, &root, &parent,
1526                         &children, &nchildren );
1527             XFree( children );
1528             if (parent == root)
1529                 return window;
1530             window = parent;
1531         }
1532     }
1533 }
1534
1535 /***********************************************************************
1536  *           WINPOS_SetXWindowPos
1537  *
1538  * SetWindowPos() for an X window. Used by the real SetWindowPos().
1539  */
1540 static void WINPOS_SetXWindowPos( WINDOWPOS16 *winpos )
1541 {
1542     XWindowChanges winChanges;
1543     int changeMask = 0;
1544     WND *wndPtr = WIN_FindWndPtr( winpos->hwnd );
1545
1546     if (!(winpos->flags & SWP_NOSIZE))
1547     {
1548         winChanges.width     = winpos->cx;
1549         winChanges.height    = winpos->cy;
1550         changeMask |= CWWidth | CWHeight;
1551
1552         /* Tweak dialog window size hints */
1553
1554         if ((wndPtr->flags & WIN_MANAGED) &&
1555             (wndPtr->dwExStyle & WS_EX_DLGMODALFRAME))
1556         {
1557             XSizeHints *size_hints = XAllocSizeHints();
1558
1559             if (size_hints)
1560             {
1561                 long supplied_return;
1562
1563                 XGetWMSizeHints( display, wndPtr->window, size_hints,
1564                                  &supplied_return, XA_WM_NORMAL_HINTS);
1565                 size_hints->min_width = size_hints->max_width = winpos->cx;
1566                 size_hints->min_height = size_hints->max_height = winpos->cy;
1567                 XSetWMSizeHints( display, wndPtr->window, size_hints,
1568                                  XA_WM_NORMAL_HINTS );
1569                 XFree(size_hints);
1570             }
1571         }
1572     }
1573     if (!(winpos->flags & SWP_NOMOVE))
1574     {
1575         winChanges.x = winpos->x;
1576         winChanges.y = winpos->y;
1577         changeMask |= CWX | CWY;
1578     }
1579     if (!(winpos->flags & SWP_NOZORDER))
1580     {
1581         winChanges.stack_mode = Below;
1582         changeMask |= CWStackMode;
1583
1584         if (winpos->hwndInsertAfter == HWND_TOP) winChanges.stack_mode = Above;
1585         else if (winpos->hwndInsertAfter != HWND_BOTTOM)
1586         {
1587             WND*   insertPtr = WIN_FindWndPtr( winpos->hwndInsertAfter );
1588             Window stack[2];
1589
1590             stack[0] = WINPOS_FindDeskTopXWindow( insertPtr );
1591             stack[1] = WINPOS_FindDeskTopXWindow( wndPtr );
1592
1593             /* for stupid window managers (i.e. all of them) */
1594
1595             XRestackWindows(display, stack, 2);
1596             changeMask &= ~CWStackMode;
1597         }
1598     }
1599     if (!changeMask) return;
1600
1601     XReconfigureWMWindow( display, wndPtr->window, 0, changeMask, &winChanges );
1602 }
1603
1604
1605 /***********************************************************************
1606  *           SetWindowPos   (USER.232)
1607  */
1608 BOOL SetWindowPos( HWND hwnd, HWND hwndInsertAfter, INT x, INT y,
1609                    INT cx, INT cy, WORD flags )
1610 {
1611     WINDOWPOS16 *winpos;
1612     WND *       wndPtr;
1613     RECT16      newWindowRect, newClientRect, oldWindowRect;
1614     HRGN32      visRgn = 0;
1615     HWND        tempInsertAfter= 0;
1616     int         result = 0;
1617     UINT        uFlags = 0;
1618
1619     dprintf_win(stddeb,"SetWindowPos: hwnd %04x, (%i,%i)-(%i,%i) flags %08x\n",
1620                                                  hwnd, x, y, x+cx, y+cy, flags);
1621       /* Check window handle */
1622
1623     if (hwnd == GetDesktopWindow32()) return FALSE;
1624     if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return FALSE;
1625
1626     if (wndPtr->dwStyle & WS_VISIBLE) flags &= ~SWP_SHOWWINDOW;
1627     else
1628     {
1629         uFlags |= SMC_NOPARENTERASE;
1630         flags &= ~SWP_HIDEWINDOW;
1631         if (!(flags & SWP_SHOWWINDOW)) flags |= SWP_NOREDRAW;
1632     }
1633
1634 /*     Check for windows that may not be resized
1635        FIXME: this should be done only for Windows 3.0 programs
1636        if (flags & (SWP_SHOWWINDOW | SWP_HIDEWINDOW ) )
1637            flags |= SWP_NOSIZE | SWP_NOMOVE;
1638 */
1639       /* Check dimensions */
1640
1641     if (cx <= 0) cx = 1;
1642     if (cy <= 0) cy = 1;
1643
1644       /* Check flags */
1645
1646     if (hwnd == hwndActive) flags |= SWP_NOACTIVATE;   /* Already active */
1647     if ((wndPtr->rectWindow.right - wndPtr->rectWindow.left == cx) &&
1648         (wndPtr->rectWindow.bottom - wndPtr->rectWindow.top == cy))
1649         flags |= SWP_NOSIZE;    /* Already the right size */
1650     if ((wndPtr->rectWindow.left == x) && (wndPtr->rectWindow.top == y))
1651         flags |= SWP_NOMOVE;    /* Already the right position */
1652
1653       /* Check hwndInsertAfter */
1654
1655     if (!(flags & (SWP_NOZORDER | SWP_NOACTIVATE)))
1656     {
1657           /* Ignore TOPMOST flags when activating a window */
1658           /* _and_ moving it in Z order. */
1659         if ((hwndInsertAfter == HWND_TOPMOST) ||
1660             (hwndInsertAfter == HWND_NOTOPMOST))
1661             hwndInsertAfter = HWND_TOP;
1662     }
1663       /* TOPMOST not supported yet */
1664     if ((hwndInsertAfter == HWND_TOPMOST) ||
1665         (hwndInsertAfter == HWND_NOTOPMOST)) hwndInsertAfter = HWND_TOP;
1666
1667       /* hwndInsertAfter must be a sibling of the window */
1668     if ((hwndInsertAfter != HWND_TOP) && (hwndInsertAfter != HWND_BOTTOM))
1669        {
1670          WND* wnd = WIN_FindWndPtr(hwndInsertAfter);
1671          if( wnd->parent != wndPtr->parent ) return FALSE;
1672          if( wnd->next == wndPtr ) flags |= SWP_NOZORDER;
1673        }
1674     else if (!(wndPtr->window))
1675          /* FIXME: the following optimization is no good for "X-ed" windows */
1676        if (hwndInsertAfter == HWND_TOP)
1677            flags |= ( wndPtr->parent->child == wndPtr)? SWP_NOZORDER: 0;
1678        else /* HWND_BOTTOM */
1679            flags |= ( wndPtr->next )? 0: SWP_NOZORDER;
1680
1681       /* Fill the WINDOWPOS structure */
1682
1683     if (!(winpos = SEGPTR_NEW(WINDOWPOS16))) return FALSE;
1684     winpos->hwnd = hwnd;
1685     winpos->hwndInsertAfter = hwndInsertAfter;
1686     winpos->x = x;
1687     winpos->y = y;
1688     winpos->cx = cx;
1689     winpos->cy = cy;
1690     winpos->flags = flags;
1691
1692       /* Send WM_WINDOWPOSCHANGING message */
1693
1694     if (!(flags & SWP_NOSENDCHANGING))
1695         SendMessage16( hwnd, WM_WINDOWPOSCHANGING, 0,
1696                        (LPARAM)SEGPTR_GET(winpos) );
1697
1698       /* Calculate new position and size */
1699
1700     newWindowRect = wndPtr->rectWindow;
1701     newClientRect = (wndPtr->dwStyle & WS_MINIMIZE) ? wndPtr->rectWindow
1702                                                     : wndPtr->rectClient;
1703
1704     if (!(winpos->flags & SWP_NOSIZE))
1705     {
1706         newWindowRect.right  = newWindowRect.left + winpos->cx;
1707         newWindowRect.bottom = newWindowRect.top + winpos->cy;
1708     }
1709     if (!(winpos->flags & SWP_NOMOVE))
1710     {
1711         newWindowRect.left    = winpos->x;
1712         newWindowRect.top     = winpos->y;
1713         newWindowRect.right  += winpos->x - wndPtr->rectWindow.left;
1714         newWindowRect.bottom += winpos->y - wndPtr->rectWindow.top;
1715
1716         OffsetRect16( &newClientRect, winpos->x - wndPtr->rectWindow.left,
1717                                       winpos->y - wndPtr->rectWindow.top );
1718     }
1719
1720     winpos->flags |= SWP_NOCLIENTMOVE | SWP_NOCLIENTSIZE;
1721
1722       /* Reposition window in Z order */
1723
1724     if (!(winpos->flags & SWP_NOZORDER))
1725     {
1726         /* reorder owned popups if hwnd is top-level window
1727          */
1728         if( wndPtr->parent == WIN_GetDesktop() )
1729             hwndInsertAfter = WINPOS_ReorderOwnedPopups( hwndInsertAfter,
1730                                                          wndPtr, flags );
1731
1732         if (wndPtr->window)
1733         {
1734             WIN_UnlinkWindow( winpos->hwnd );
1735             WIN_LinkWindow( winpos->hwnd, hwndInsertAfter );
1736         }
1737         else WINPOS_MoveWindowZOrder( winpos->hwnd, hwndInsertAfter );
1738     }
1739
1740     if ( !wndPtr->window && !(flags & SWP_NOREDRAW) &&
1741         (!(flags & SWP_NOMOVE) || !(flags & SWP_NOSIZE) || (flags & SWP_FRAMECHANGED)) )
1742           visRgn = DCE_GetVisRgn(hwnd, DCX_WINDOW | DCX_CLIPSIBLINGS);
1743
1744
1745       /* Send WM_NCCALCSIZE message to get new client area */
1746     if( (flags & (SWP_FRAMECHANGED | SWP_NOSIZE)) != SWP_NOSIZE )
1747       {
1748          result = WINPOS_SendNCCalcSize( winpos->hwnd, TRUE, &newWindowRect,
1749                                     &wndPtr->rectWindow, &wndPtr->rectClient,
1750                                     SEGPTR_GET(winpos), &newClientRect );
1751
1752          /* FIXME: WVR_ALIGNxxx */
1753
1754          if( newClientRect.left != wndPtr->rectClient.left ||
1755              newClientRect.top != wndPtr->rectClient.top )
1756              winpos->flags &= ~SWP_NOCLIENTMOVE;
1757
1758          if( (newClientRect.right - newClientRect.left !=
1759              wndPtr->rectClient.right - wndPtr->rectClient.left) ||
1760             (newClientRect.bottom - newClientRect.top !=
1761              wndPtr->rectClient.bottom - wndPtr->rectClient.top) )
1762              winpos->flags &= ~SWP_NOCLIENTSIZE;
1763       }
1764     else
1765       if( !(flags & SWP_NOMOVE) && (newClientRect.left != wndPtr->rectClient.left ||
1766                                     newClientRect.top != wndPtr->rectClient.top) )
1767             winpos->flags &= ~SWP_NOCLIENTMOVE;
1768
1769     /* Update active DCEs */
1770
1771     if( !(flags & SWP_NOZORDER) || (flags & SWP_HIDEWINDOW) || (flags & SWP_SHOWWINDOW)
1772                                 || (memcmp(&newWindowRect,&wndPtr->rectWindow,sizeof(RECT16))
1773                                     && wndPtr->dwStyle & WS_VISIBLE ) )
1774       {
1775         RECT16 rect;
1776
1777         UnionRect16(&rect,&newWindowRect,&wndPtr->rectWindow);
1778         DCE_InvalidateDCE(wndPtr->parent, &rect);
1779       }
1780
1781     /* change geometry */
1782
1783     oldWindowRect = wndPtr->rectWindow;
1784
1785     if (wndPtr->window)
1786     {
1787         RECT16 oldClientRect = wndPtr->rectClient;
1788
1789         tempInsertAfter = winpos->hwndInsertAfter;
1790
1791         winpos->hwndInsertAfter = hwndInsertAfter;
1792
1793         /* postpone geometry change */
1794
1795         if( !(flags & (SWP_SHOWWINDOW | SWP_HIDEWINDOW)) )
1796           {
1797               WINPOS_SetXWindowPos( winpos );
1798               winpos->hwndInsertAfter = tempInsertAfter;
1799           }
1800         else  uFlags |= SMC_SETXPOS;
1801
1802         wndPtr->rectWindow = newWindowRect;
1803         wndPtr->rectClient = newClientRect;
1804
1805         if( !(flags & (SWP_SHOWWINDOW | SWP_HIDEWINDOW)) )
1806           if( (oldClientRect.left - oldWindowRect.left !=
1807                newClientRect.left - newWindowRect.left) ||
1808               (oldClientRect.top - oldWindowRect.top !=
1809                newClientRect.top - newWindowRect.top) || winpos->flags & SWP_NOCOPYBITS )
1810
1811               PAINT_RedrawWindow( wndPtr->hwndSelf, NULL, 0, RDW_INVALIDATE |
1812                               RDW_ALLCHILDREN | RDW_FRAME | RDW_ERASE, 0 );
1813           else
1814               if( winpos->flags & SWP_FRAMECHANGED )
1815               {
1816                 WORD wErase = 0;
1817                 RECT32 rect;
1818
1819                 if( oldClientRect.right > newClientRect.right )
1820                 {
1821                     rect.left = newClientRect.right; rect.top = newClientRect.top;
1822                     rect.right = oldClientRect.right; rect.bottom = newClientRect.bottom;
1823                     wErase = 1;
1824                     PAINT_RedrawWindow( wndPtr->hwndSelf, &rect, 0,
1825                                       RDW_INVALIDATE | RDW_FRAME | RDW_ALLCHILDREN, 0 );
1826                 }
1827                 if( oldClientRect.bottom > newClientRect.bottom )
1828                 {
1829                     rect.left = newClientRect.left; rect.top = newClientRect.bottom;
1830                     rect.right = (wErase)?oldClientRect.right:newClientRect.right;
1831                     rect.bottom = oldClientRect.bottom;
1832                     wErase = 1;
1833                     PAINT_RedrawWindow( wndPtr->hwndSelf, &rect, 0,
1834                                       RDW_INVALIDATE | RDW_FRAME | RDW_ALLCHILDREN, 0 );
1835                 }
1836                 if( !wErase ) wndPtr->flags |= WIN_NEEDS_NCPAINT;
1837               }
1838     }
1839     else
1840     {
1841         RECT16 oldClientRect = wndPtr->rectClient;
1842
1843         wndPtr->rectWindow = newWindowRect;
1844         wndPtr->rectClient = newClientRect;
1845
1846         if( oldClientRect.bottom - oldClientRect.top ==
1847             newClientRect.bottom - newClientRect.top ) result &= ~WVR_VREDRAW;
1848
1849         if( oldClientRect.right - oldClientRect.left ==
1850             newClientRect.right - newClientRect.left ) result &= ~WVR_HREDRAW;
1851
1852         if( !(flags & (SWP_NOREDRAW | SWP_HIDEWINDOW | SWP_SHOWWINDOW)) )
1853           {
1854             uFlags |=  ((winpos->flags & SWP_NOCOPYBITS) ||
1855                         (result >= WVR_HREDRAW && result < WVR_VALIDRECTS)) ? SMC_NOCOPY : 0;
1856             uFlags |=  (winpos->flags & SWP_FRAMECHANGED) ? SMC_DRAWFRAME : 0;
1857
1858             if( (winpos->flags & SWP_AGG_NOGEOMETRYCHANGE) != SWP_AGG_NOGEOMETRYCHANGE )
1859                 uFlags = WINPOS_SizeMoveClean(wndPtr, visRgn, &oldWindowRect,
1860                                                               &oldClientRect, uFlags);
1861             else
1862               {
1863                 /* adjust frame and do not erase parent */
1864
1865                 if( winpos->flags & SWP_FRAMECHANGED ) wndPtr->flags |= WIN_NEEDS_NCPAINT;
1866                 if( winpos->flags & SWP_NOZORDER ) uFlags |= SMC_NOPARENTERASE;
1867               }
1868           }
1869         DeleteObject32(visRgn);
1870     }
1871
1872     if (flags & SWP_SHOWWINDOW)
1873     {
1874         wndPtr->dwStyle |= WS_VISIBLE;
1875         if (wndPtr->window)
1876         {
1877             if( uFlags & SMC_SETXPOS )
1878             {
1879               WINPOS_SetXWindowPos( winpos );
1880               winpos->hwndInsertAfter = tempInsertAfter;
1881             }
1882             XMapWindow( display, wndPtr->window );
1883         }
1884         else
1885         {
1886             if (!(flags & SWP_NOREDRAW))
1887                 PAINT_RedrawWindow( winpos->hwnd, NULL, 0,
1888                                 RDW_INVALIDATE | RDW_ALLCHILDREN |
1889                                 RDW_FRAME | RDW_ERASENOW | RDW_ERASE, 0 );
1890         }
1891     }
1892     else if (flags & SWP_HIDEWINDOW)
1893     {
1894         wndPtr->dwStyle &= ~WS_VISIBLE;
1895         if (wndPtr->window)
1896         {
1897             XUnmapWindow( display, wndPtr->window );
1898             if( uFlags & SMC_SETXPOS )
1899             {
1900               WINPOS_SetXWindowPos( winpos );
1901               winpos->hwndInsertAfter = tempInsertAfter;
1902             }
1903         }
1904         else
1905         {
1906             if (!(flags & SWP_NOREDRAW))
1907             {
1908                 RECT32 rect = { oldWindowRect.left, oldWindowRect.top,
1909                                 oldWindowRect.right, oldWindowRect.bottom };
1910                 PAINT_RedrawWindow( wndPtr->parent->hwndSelf, &rect, 0,
1911                         RDW_INVALIDATE | RDW_ALLCHILDREN | RDW_ERASE | RDW_ERASENOW, 0);
1912             }
1913             uFlags |= SMC_NOPARENTERASE;
1914         }
1915
1916         if ((winpos->hwnd == GetFocus32()) ||
1917             IsChild( winpos->hwnd, GetFocus32()))
1918         {
1919             /* Revert focus to parent */
1920             SetFocus32( GetParent32(winpos->hwnd) );
1921         }
1922         if (hwnd == CARET_GetHwnd()) DestroyCaret();
1923
1924         if (winpos->hwnd == hwndActive)
1925         {
1926               /* Activate previously active window if possible */
1927             HWND newActive = hwndPrevActive;
1928             if (!IsWindow(newActive) || (newActive == winpos->hwnd))
1929             {
1930                 newActive = GetTopWindow( GetDesktopWindow32() );
1931                 if (newActive == winpos->hwnd)
1932                     newActive = wndPtr->next ? wndPtr->next->hwndSelf : 0;
1933             }
1934             WINPOS_ChangeActiveWindow( newActive, FALSE );
1935         }
1936     }
1937
1938       /* Activate the window */
1939
1940     if (!(flags & SWP_NOACTIVATE))
1941             WINPOS_ChangeActiveWindow( winpos->hwnd, FALSE );
1942
1943       /* Repaint the window */
1944
1945     if (wndPtr->window) EVENT_Synchronize();  /* Wait for all expose events */
1946
1947     EVENT_DummyMotionNotify(); /* Simulate a mouse event to set the cursor */
1948
1949     if (!(flags & SWP_DEFERERASE) && !(uFlags & SMC_NOPARENTERASE) )
1950     {
1951         RECT32  rect;
1952         CONV_RECT16TO32( &oldWindowRect, &rect );
1953         PAINT_RedrawWindow( wndPtr->parent->hwndSelf, (wndPtr->flags & WIN_SAVEUNDER_OVERRIDE)
1954                             ? &rect : NULL, 0, RDW_ALLCHILDREN | RDW_ERASENOW |
1955                           ((wndPtr->flags & WIN_SAVEUNDER_OVERRIDE) ? RDW_INVALIDATE : 0), 0 );
1956         wndPtr->flags &= ~WIN_SAVEUNDER_OVERRIDE;
1957     }
1958     else if( wndPtr->parent == WIN_GetDesktop() && wndPtr->parent->flags & WIN_NEEDS_ERASEBKGND )
1959         PAINT_RedrawWindow( wndPtr->parent->hwndSelf, NULL, 0, RDW_NOCHILDREN | RDW_ERASENOW, 0 );
1960
1961       /* And last, send the WM_WINDOWPOSCHANGED message */
1962
1963     dprintf_win(stddeb,"\tstatus flags = %04x\n", winpos->flags & SWP_AGG_STATUSFLAGS);
1964
1965     if ( ((winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOPOSCHANGE) &&
1966         !(winpos->flags & SWP_NOSENDCHANGING))
1967         SendMessage16( winpos->hwnd, WM_WINDOWPOSCHANGED,
1968                        0, (LPARAM)SEGPTR_GET(winpos) );
1969
1970     SEGPTR_FREE(winpos);
1971     return TRUE;
1972 }
1973
1974
1975 /***********************************************************************
1976  *           BeginDeferWindowPos   (USER.259)
1977  */
1978 HDWP16 BeginDeferWindowPos( INT count )
1979 {
1980     HDWP16 handle;
1981     DWP *pDWP;
1982
1983     if (count <= 0) return 0;
1984     handle = USER_HEAP_ALLOC( sizeof(DWP) + (count-1)*sizeof(WINDOWPOS16) );
1985     if (!handle) return 0;
1986     pDWP = (DWP *) USER_HEAP_LIN_ADDR( handle );
1987     pDWP->actualCount    = 0;
1988     pDWP->suggestedCount = count;
1989     pDWP->valid          = TRUE;
1990     pDWP->wMagic         = DWP_MAGIC;
1991     pDWP->hwndParent     = 0;
1992     return handle;
1993 }
1994
1995
1996 /***********************************************************************
1997  *           DeferWindowPos   (USER.260)
1998  */
1999 HDWP16 DeferWindowPos( HDWP16 hdwp, HWND hwnd, HWND hwndAfter, INT x, INT y,
2000                        INT cx, INT cy, UINT flags )
2001 {
2002     DWP *pDWP;
2003     int i;
2004     HDWP16 newhdwp = hdwp;
2005     HWND parent;
2006
2007     pDWP = (DWP *) USER_HEAP_LIN_ADDR( hdwp );
2008     if (!pDWP) return 0;
2009     if (hwnd == GetDesktopWindow32()) return 0;
2010
2011       /* All the windows of a DeferWindowPos() must have the same parent */
2012
2013     parent = WIN_FindWndPtr( hwnd )->parent->hwndSelf;
2014     if (pDWP->actualCount == 0) pDWP->hwndParent = parent;
2015     else if (parent != pDWP->hwndParent)
2016     {
2017         USER_HEAP_FREE( hdwp );
2018         return 0;
2019     }
2020
2021     for (i = 0; i < pDWP->actualCount; i++)
2022     {
2023         if (pDWP->winPos[i].hwnd == hwnd)
2024         {
2025               /* Merge with the other changes */
2026             if (!(flags & SWP_NOZORDER))
2027             {
2028                 pDWP->winPos[i].hwndInsertAfter = hwndAfter;
2029             }
2030             if (!(flags & SWP_NOMOVE))
2031             {
2032                 pDWP->winPos[i].x = x;
2033                 pDWP->winPos[i].y = y;
2034             }
2035             if (!(flags & SWP_NOSIZE))
2036             {
2037                 pDWP->winPos[i].cx = cx;
2038                 pDWP->winPos[i].cy = cy;
2039             }
2040             pDWP->winPos[i].flags &= flags & (SWP_NOSIZE | SWP_NOMOVE |
2041                                               SWP_NOZORDER | SWP_NOREDRAW |
2042                                               SWP_NOACTIVATE | SWP_NOCOPYBITS |
2043                                               SWP_NOOWNERZORDER);
2044             pDWP->winPos[i].flags |= flags & (SWP_SHOWWINDOW | SWP_HIDEWINDOW |
2045                                               SWP_FRAMECHANGED);
2046             return hdwp;
2047         }
2048     }
2049     if (pDWP->actualCount >= pDWP->suggestedCount)
2050     {
2051         newhdwp = USER_HEAP_REALLOC( hdwp,
2052                       sizeof(DWP) + pDWP->suggestedCount*sizeof(WINDOWPOS16) );
2053         if (!newhdwp) return 0;
2054         pDWP = (DWP *) USER_HEAP_LIN_ADDR( newhdwp );
2055         pDWP->suggestedCount++;
2056     }
2057     pDWP->winPos[pDWP->actualCount].hwnd = hwnd;
2058     pDWP->winPos[pDWP->actualCount].hwndInsertAfter = hwndAfter;
2059     pDWP->winPos[pDWP->actualCount].x = x;
2060     pDWP->winPos[pDWP->actualCount].y = y;
2061     pDWP->winPos[pDWP->actualCount].cx = cx;
2062     pDWP->winPos[pDWP->actualCount].cy = cy;
2063     pDWP->winPos[pDWP->actualCount].flags = flags;
2064     pDWP->actualCount++;
2065     return newhdwp;
2066 }
2067
2068
2069 /***********************************************************************
2070  *           EndDeferWindowPos   (USER.261)
2071  */
2072 BOOL EndDeferWindowPos( HDWP16 hdwp )
2073 {
2074     DWP *pDWP;
2075     WINDOWPOS16 *winpos;
2076     BOOL res = TRUE;
2077     int i;
2078
2079     pDWP = (DWP *) USER_HEAP_LIN_ADDR( hdwp );
2080     if (!pDWP) return FALSE;
2081     for (i = 0, winpos = pDWP->winPos; i < pDWP->actualCount; i++, winpos++)
2082     {
2083         if (!(res = SetWindowPos( winpos->hwnd, winpos->hwndInsertAfter,
2084                                   winpos->x, winpos->y, winpos->cx, winpos->cy,
2085                                   winpos->flags ))) break;
2086     }
2087     USER_HEAP_FREE( hdwp );
2088     return res;
2089 }
2090
2091
2092 /***********************************************************************
2093  *           TileChildWindows   (USER.199)
2094  */
2095 void TileChildWindows( HWND parent, WORD action )
2096 {
2097     printf("STUB TileChildWindows(%04x, %d)\n", parent, action);
2098 }
2099
2100 /***********************************************************************
2101  *           CascageChildWindows   (USER.198)
2102  */
2103 void CascadeChildWindows( HWND parent, WORD action )
2104 {
2105     printf("STUB CascadeChildWindows(%04x, %d)\n", parent, action);
2106 }