git.oblomov.eu Git - wine/blob - dlls/ttydrv/wnd.c

   1 /*
   2  * TTY window driver
   3  *
   4  * Copyright 1998,1999 Patrik Stridvall
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include "ttydrv.h"
  24 #include "ntstatus.h"
  25 #include "win.h"
  26 #include "winpos.h"
  27 #include "wownt32.h"
  28 #include "wine/wingdi16.h"
  29 #include "wine/server.h"
  30 #include "wine/debug.h"
  31
  32 WINE_DEFAULT_DEBUG_CHANNEL(ttydrv);
  33
  34 #define SWP_AGG_NOGEOMETRYCHANGE \
  35     (SWP_NOSIZE | SWP_NOMOVE | SWP_NOCLIENTSIZE | SWP_NOCLIENTMOVE)
  36 #define SWP_AGG_NOPOSCHANGE \
  37     (SWP_AGG_NOGEOMETRYCHANGE | SWP_NOZORDER)
  38 #define SWP_AGG_STATUSFLAGS \
  39     (SWP_AGG_NOPOSCHANGE | SWP_FRAMECHANGED | SWP_HIDEWINDOW | SWP_SHOWWINDOW)
  40
  41 /***********************************************************************
  42  *              get_server_visible_region
  43  */
  44 static HRGN get_server_visible_region( HWND hwnd, UINT flags )
  45 {
  46     RGNDATA *data;
  47     NTSTATUS status;
  48     HRGN ret = 0;
  49     size_t size = 256;
  50
  51     do
  52     {
  53         if (!(data = HeapAlloc( GetProcessHeap(), 0, sizeof(*data) + size - 1 ))) return 0;
  54         SERVER_START_REQ( get_visible_region )
  55         {
  56             req->window  = hwnd;
  57             req->flags   = flags;
  58             wine_server_set_reply( req, data->Buffer, size );
  59             if (!(status = wine_server_call( req )))
  60             {
  61                 size_t reply_size = wine_server_reply_size( reply );
  62                 data->rdh.dwSize   = sizeof(data->rdh);
  63                 data->rdh.iType    = RDH_RECTANGLES;
  64                 data->rdh.nCount   = reply_size / sizeof(RECT);
  65                 data->rdh.nRgnSize = reply_size;
  66                 ret = ExtCreateRegion( NULL, size, data );
  67             }
  68             else size = reply->total_size;
  69         }
  70         SERVER_END_REQ;
  71         HeapFree( GetProcessHeap(), 0, data );
  72     } while (status == STATUS_BUFFER_OVERFLOW);
  73
  74     if (status) SetLastError( RtlNtStatusToDosError(status) );
  75     return ret;
  76 }
  77
  78
  79 /***********************************************************************
  80  *           set_window_pos
  81  *
  82  * Set a window position and Z order.
  83  */
  84 static BOOL set_window_pos( HWND hwnd, HWND insert_after, const RECT *rectWindow,
  85                             const RECT *rectClient, UINT swp_flags )
  86 {
  87     WND *win = WIN_GetPtr( hwnd );
  88     BOOL ret;
  89
  90     if (!win) return FALSE;
  91     if (win == WND_OTHER_PROCESS)
  92     {
  93         if (IsWindow( hwnd )) ERR( "cannot set rectangles of other process window %p\n", hwnd );
  94         return FALSE;
  95     }
  96     SERVER_START_REQ( set_window_pos )
  97     {
  98         req->handle        = hwnd;
  99         req->previous      = insert_after;
 100         req->flags         = swp_flags;
 101         req->window.left   = rectWindow->left;
 102         req->window.top    = rectWindow->top;
 103         req->window.right  = rectWindow->right;
 104         req->window.bottom = rectWindow->bottom;
 105         req->client.left   = rectClient->left;
 106         req->client.top    = rectClient->top;
 107         req->client.right  = rectClient->right;
 108         req->client.bottom = rectClient->bottom;
 109         ret = !wine_server_call( req );
 110     }
 111     SERVER_END_REQ;
 112     if (win == WND_DESKTOP) return ret;
 113     if (ret)
 114     {
 115         win->rectWindow = *rectWindow;
 116         win->rectClient = *rectClient;
 117
 118         TRACE( "win %p window (%ld,%ld)-(%ld,%ld) client (%ld,%ld)-(%ld,%ld)\n", hwnd,
 119                rectWindow->left, rectWindow->top, rectWindow->right, rectWindow->bottom,
 120                rectClient->left, rectClient->top, rectClient->right, rectClient->bottom );
 121     }
 122     WIN_ReleasePtr( win );
 123     return ret;
 124 }
 125
 126
 127 /**********************************************************************
 128  *              CreateWindow   (TTYDRV.@)
 129  */
 130 BOOL TTYDRV_CreateWindow( HWND hwnd, CREATESTRUCTA *cs, BOOL unicode )
 131 {
 132     BOOL ret;
 133     RECT rect;
 134     HWND parent, hwndLinkAfter;
 135     CBT_CREATEWNDA cbtc;
 136
 137     TRACE("(%p)\n", hwnd);
 138
 139     /* initialize the dimensions before sending WM_GETMINMAXINFO */
 140     SetRect( &rect, cs->x, cs->y, cs->x + cs->cx, cs->y + cs->cy );
 141     set_window_pos( hwnd, 0, &rect, &rect, SWP_NOZORDER );
 142
 143     parent = GetAncestor( hwnd, GA_PARENT );
 144     if (!parent)  /* desktop window */
 145     {
 146         SetPropA( hwnd, "__wine_ttydrv_window", root_window );
 147         return TRUE;
 148     }
 149
 150 #ifdef WINE_CURSES
 151     /* Only create top-level windows */
 152     if (parent == GetDesktopWindow())
 153     {
 154         WINDOW *window;
 155         const INT cellWidth=8, cellHeight=8; /* FIXME: Hardcoded */
 156
 157         window = subwin( root_window, cs->cy/cellHeight, cs->cx/cellWidth,
 158                          cs->y/cellHeight, cs->x/cellWidth);
 159         werase(window);
 160         wrefresh(window);
 161         SetPropA( hwnd, "__wine_ttydrv_window", window );
 162     }
 163 #else /* defined(WINE_CURSES) */
 164     FIXME("(%p): stub\n", hwnd);
 165 #endif /* defined(WINE_CURSES) */
 166
 167     /* Call the WH_CBT hook */
 168
 169     hwndLinkAfter = ((cs->style & (WS_CHILD|WS_MAXIMIZE)) == WS_CHILD) ? HWND_BOTTOM : HWND_TOP;
 170
 171     cbtc.lpcs = cs;
 172     cbtc.hwndInsertAfter = hwndLinkAfter;
 173     if (HOOK_CallHooks( WH_CBT, HCBT_CREATEWND, (WPARAM)hwnd, (LPARAM)&cbtc, unicode ))
 174     {
 175         TRACE("CBT-hook returned !0\n");
 176         return FALSE;
 177     }
 178
 179     if (unicode)
 180     {
 181         ret = SendMessageW( hwnd, WM_NCCREATE, 0, (LPARAM)cs );
 182         if (ret) ret = (SendMessageW( hwnd, WM_CREATE, 0, (LPARAM)cs ) != -1);
 183     }
 184     else
 185     {
 186         ret = SendMessageA( hwnd, WM_NCCREATE, 0, (LPARAM)cs );
 187         if (ret) ret = (SendMessageA( hwnd, WM_CREATE, 0, (LPARAM)cs ) != -1);
 188     }
 189     if (ret) NotifyWinEvent(EVENT_OBJECT_CREATE, hwnd, OBJID_WINDOW, 0);
 190     return ret;
 191 }
 192
 193 /***********************************************************************
 194  *              DestroyWindow   (TTYDRV.@)
 195  */
 196 BOOL TTYDRV_DestroyWindow( HWND hwnd )
 197 {
 198 #ifdef WINE_CURSES
 199     WINDOW *window = GetPropA( hwnd, "__wine_ttydrv_window" );
 200
 201     TRACE("(%p)\n", hwnd);
 202
 203     if (window && window != root_window) delwin(window);
 204 #else /* defined(WINE_CURSES) */
 205     FIXME("(%p): stub\n", hwnd);
 206 #endif /* defined(WINE_CURSES) */
 207     return TRUE;
 208 }
 209
 210
 211 /***********************************************************************
 212  *              GetDC   (TTYDRV.@)
 213  *
 214  * Set the drawable, origin and dimensions for the DC associated to
 215  * a given window.
 216  */
 217 BOOL TTYDRV_GetDC( HWND hwnd, HDC hdc, HRGN hrgn, DWORD flags )
 218 {
 219     struct ttydrv_escape_set_drawable escape;
 220
 221     if(flags & DCX_WINDOW)
 222     {
 223         RECT rect;
 224         GetWindowRect( hwnd, &rect );
 225         escape.org.x = rect.left;
 226         escape.org.y = rect.top;
 227     }
 228     else
 229     {
 230         escape.org.x = escape.org.y = 0;
 231         MapWindowPoints( hwnd, 0, &escape.org, 1 );
 232     }
 233
 234     escape.code = TTYDRV_SET_DRAWABLE;
 235     ExtEscape( hdc, TTYDRV_ESCAPE, sizeof(escape), (LPSTR)&escape, 0, NULL );
 236
 237     if (flags & (DCX_EXCLUDERGN | DCX_INTERSECTRGN) ||
 238         SetHookFlags16( HDC_16(hdc), DCHF_VALIDATEVISRGN ))  /* DC was dirty */
 239     {
 240         /* need to recompute the visible region */
 241         HRGN visRgn = get_server_visible_region( hwnd, flags );
 242
 243         if (flags & (DCX_EXCLUDERGN | DCX_INTERSECTRGN))
 244             CombineRgn( visRgn, visRgn, hrgn, (flags & DCX_INTERSECTRGN) ? RGN_AND : RGN_DIFF );
 245
 246         SelectVisRgn16( HDC_16(hdc), HRGN_16(visRgn) );
 247         DeleteObject( visRgn );
 248     }
 249     return TRUE;
 250 }
 251
 252
 253 /* fix redundant flags and values in the WINDOWPOS structure */
 254 static BOOL fixup_flags( WINDOWPOS *winpos )
 255 {
 256     HWND parent;
 257     WND *wndPtr = WIN_GetPtr( winpos->hwnd );
 258     BOOL ret = TRUE;
 259
 260     if (!wndPtr || wndPtr == WND_OTHER_PROCESS)
 261     {
 262         SetLastError( ERROR_INVALID_WINDOW_HANDLE );
 263         return FALSE;
 264     }
 265     winpos->hwnd = wndPtr->hwndSelf;  /* make it a full handle */
 266
 267     /* Finally make sure that all coordinates are valid */
 268     if (winpos->x < -32768) winpos->x = -32768;
 269     else if (winpos->x > 32767) winpos->x = 32767;
 270     if (winpos->y < -32768) winpos->y = -32768;
 271     else if (winpos->y > 32767) winpos->y = 32767;
 272
 273     if (winpos->cx < 0) winpos->cx = 0;
 274     else if (winpos->cx > 32767) winpos->cx = 32767;
 275     if (winpos->cy < 0) winpos->cy = 0;
 276     else if (winpos->cy > 32767) winpos->cy = 32767;
 277
 278     parent = GetAncestor( winpos->hwnd, GA_PARENT );
 279     if (!IsWindowVisible( parent )) winpos->flags |= SWP_NOREDRAW;
 280
 281     if (wndPtr->dwStyle & WS_VISIBLE) winpos->flags &= ~SWP_SHOWWINDOW;
 282     else
 283     {
 284         winpos->flags &= ~SWP_HIDEWINDOW;
 285         if (!(winpos->flags & SWP_SHOWWINDOW)) winpos->flags |= SWP_NOREDRAW;
 286     }
 287
 288     if ((wndPtr->rectWindow.right - wndPtr->rectWindow.left == winpos->cx) &&
 289         (wndPtr->rectWindow.bottom - wndPtr->rectWindow.top == winpos->cy))
 290         winpos->flags |= SWP_NOSIZE;    /* Already the right size */
 291
 292     if ((wndPtr->rectWindow.left == winpos->x) && (wndPtr->rectWindow.top == winpos->y))
 293         winpos->flags |= SWP_NOMOVE;    /* Already the right position */
 294
 295     if ((wndPtr->dwStyle & (WS_POPUP | WS_CHILD)) != WS_CHILD)
 296     {
 297         if (!(winpos->flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW))) /* Bring to the top when activating */
 298         {
 299             winpos->flags &= ~SWP_NOZORDER;
 300             winpos->hwndInsertAfter = HWND_TOP;
 301         }
 302     }
 303
 304     /* Check hwndInsertAfter */
 305     if (winpos->flags & SWP_NOZORDER) goto done;
 306
 307     /* fix sign extension */
 308     if (winpos->hwndInsertAfter == (HWND)0xffff) winpos->hwndInsertAfter = HWND_TOPMOST;
 309     else if (winpos->hwndInsertAfter == (HWND)0xfffe) winpos->hwndInsertAfter = HWND_NOTOPMOST;
 310
 311       /* FIXME: TOPMOST not supported yet */
 312     if ((winpos->hwndInsertAfter == HWND_TOPMOST) ||
 313         (winpos->hwndInsertAfter == HWND_NOTOPMOST)) winpos->hwndInsertAfter = HWND_TOP;
 314
 315     /* hwndInsertAfter must be a sibling of the window */
 316     if (winpos->hwndInsertAfter == HWND_TOP)
 317     {
 318         if (GetWindow(winpos->hwnd, GW_HWNDFIRST) == winpos->hwnd)
 319             winpos->flags |= SWP_NOZORDER;
 320     }
 321     else if (winpos->hwndInsertAfter == HWND_BOTTOM)
 322     {
 323         if (GetWindow(winpos->hwnd, GW_HWNDLAST) == winpos->hwnd)
 324             winpos->flags |= SWP_NOZORDER;
 325     }
 326     else
 327     {
 328         if (GetAncestor( winpos->hwndInsertAfter, GA_PARENT ) != parent) ret = FALSE;
 329         else
 330         {
 331             /* don't need to change the Zorder of hwnd if it's already inserted
 332              * after hwndInsertAfter or when inserting hwnd after itself.
 333              */
 334             if ((winpos->hwnd == winpos->hwndInsertAfter) ||
 335                 (winpos->hwnd == GetWindow( winpos->hwndInsertAfter, GW_HWNDNEXT )))
 336                 winpos->flags |= SWP_NOZORDER;
 337         }
 338     }
 339  done:
 340     WIN_ReleasePtr( wndPtr );
 341     return ret;
 342 }
 343
 344
 345 /***********************************************************************
 346  *           SWP_DoNCCalcSize
 347  */
 348 static UINT SWP_DoNCCalcSize( WINDOWPOS* pWinpos, const RECT* pNewWindowRect, RECT* pNewClientRect )
 349 {
 350     UINT wvrFlags = 0;
 351     WND *wndPtr;
 352
 353     if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
 354
 355       /* Send WM_NCCALCSIZE message to get new client area */
 356     if( (pWinpos->flags & (SWP_FRAMECHANGED | SWP_NOSIZE)) != SWP_NOSIZE )
 357     {
 358         NCCALCSIZE_PARAMS params;
 359         WINDOWPOS winposCopy;
 360
 361         params.rgrc[0] = *pNewWindowRect;
 362         params.rgrc[1] = wndPtr->rectWindow;
 363         params.rgrc[2] = wndPtr->rectClient;
 364         params.lppos = &winposCopy;
 365         winposCopy = *pWinpos;
 366         WIN_ReleasePtr( wndPtr );
 367
 368         wvrFlags = SendMessageW( pWinpos->hwnd, WM_NCCALCSIZE, TRUE, (LPARAM)&params );
 369
 370         *pNewClientRect = params.rgrc[0];
 371
 372         if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
 373
 374         TRACE( "hwnd %p old win %s old client %s new win %s new client %s\n", pWinpos->hwnd,
 375                wine_dbgstr_rect(&wndPtr->rectWindow), wine_dbgstr_rect(&wndPtr->rectClient),
 376                wine_dbgstr_rect(pNewWindowRect), wine_dbgstr_rect(pNewClientRect) );
 377
 378         if( pNewClientRect->left != wndPtr->rectClient.left ||
 379             pNewClientRect->top != wndPtr->rectClient.top )
 380             pWinpos->flags &= ~SWP_NOCLIENTMOVE;
 381
 382         if( (pNewClientRect->right - pNewClientRect->left !=
 383              wndPtr->rectClient.right - wndPtr->rectClient.left))
 384             pWinpos->flags &= ~SWP_NOCLIENTSIZE;
 385         else
 386             wvrFlags &= ~WVR_HREDRAW;
 387
 388         if (pNewClientRect->bottom - pNewClientRect->top !=
 389              wndPtr->rectClient.bottom - wndPtr->rectClient.top)
 390             pWinpos->flags &= ~SWP_NOCLIENTSIZE;
 391         else
 392             wvrFlags &= ~WVR_VREDRAW;
 393     }
 394     else
 395     {
 396         if (!(pWinpos->flags & SWP_NOMOVE) &&
 397             (pNewClientRect->left != wndPtr->rectClient.left ||
 398              pNewClientRect->top != wndPtr->rectClient.top))
 399             pWinpos->flags &= ~SWP_NOCLIENTMOVE;
 400     }
 401
 402     WIN_ReleasePtr( wndPtr );
 403     return wvrFlags;
 404 }
 405
 406
 407 struct move_owned_info
 408 {
 409     HWND owner;
 410     HWND insert_after;
 411 };
 412
 413 static BOOL CALLBACK move_owned_popups( HWND hwnd, LPARAM lparam )
 414 {
 415     struct move_owned_info *info = (struct move_owned_info *)lparam;
 416
 417     if (hwnd == info->owner) return FALSE;
 418     if ((GetWindowLongW( hwnd, GWL_STYLE ) & WS_POPUP) &&
 419         GetWindow( hwnd, GW_OWNER ) == info->owner)
 420     {
 421         SetWindowPos( hwnd, info->insert_after, 0, 0, 0, 0,
 422                       SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE |
 423                       SWP_NOSENDCHANGING | SWP_DEFERERASE );
 424         info->insert_after = hwnd;
 425     }
 426     return TRUE;
 427 }
 428
 429 /***********************************************************************
 430  *           SWP_DoOwnedPopups
 431  *
 432  * fix Z order taking into account owned popups -
 433  * basically we need to maintain them above the window that owns them
 434  *
 435  * FIXME: hide/show owned popups when owner visibility changes.
 436  */
 437 static HWND SWP_DoOwnedPopups(HWND hwnd, HWND hwndInsertAfter)
 438 {
 439     HWND owner = GetWindow( hwnd, GW_OWNER );
 440     LONG style = GetWindowLongW( hwnd, GWL_STYLE );
 441     struct move_owned_info info;
 442
 443     TRACE("(%p) hInsertAfter = %p\n", hwnd, hwndInsertAfter );
 444
 445     if ((style & WS_POPUP) && owner)
 446     {
 447         /* make sure this popup stays above the owner */
 448
 449         if( hwndInsertAfter != HWND_TOP )
 450         {
 451             HWND hwndLocalPrev = HWND_TOP;
 452             HWND prev = GetWindow( owner, GW_HWNDPREV );
 453
 454             while (prev && prev != hwndInsertAfter)
 455             {
 456                 if (hwndLocalPrev == HWND_TOP && GetWindowLongW( prev, GWL_STYLE ) & WS_VISIBLE)
 457                     hwndLocalPrev = prev;
 458                 prev = GetWindow( prev, GW_HWNDPREV );
 459             }
 460             if (!prev) hwndInsertAfter = hwndLocalPrev;
 461         }
 462     }
 463     else if (style & WS_CHILD) return hwndInsertAfter;
 464
 465     info.owner = hwnd;
 466     info.insert_after = hwndInsertAfter;
 467     EnumWindows( move_owned_popups, (LPARAM)&info );
 468     return info.insert_after;
 469 }
 470
 471
 472 /***********************************************************************
 473  *           SWP_DoWinPosChanging
 474  */
 475 static BOOL SWP_DoWinPosChanging( WINDOWPOS* pWinpos, RECT* pNewWindowRect, RECT* pNewClientRect )
 476 {
 477     WND *wndPtr;
 478
 479     /* Send WM_WINDOWPOSCHANGING message */
 480
 481     if (!(pWinpos->flags & SWP_NOSENDCHANGING))
 482         SendMessageW( pWinpos->hwnd, WM_WINDOWPOSCHANGING, 0, (LPARAM)pWinpos );
 483
 484     if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) || wndPtr == WND_OTHER_PROCESS) return FALSE;
 485
 486     /* Calculate new position and size */
 487
 488     *pNewWindowRect = wndPtr->rectWindow;
 489     *pNewClientRect = (wndPtr->dwStyle & WS_MINIMIZE) ? wndPtr->rectWindow
 490                                                     : wndPtr->rectClient;
 491
 492     if (!(pWinpos->flags & SWP_NOSIZE))
 493     {
 494         pNewWindowRect->right  = pNewWindowRect->left + pWinpos->cx;
 495         pNewWindowRect->bottom = pNewWindowRect->top + pWinpos->cy;
 496     }
 497     if (!(pWinpos->flags & SWP_NOMOVE))
 498     {
 499         pNewWindowRect->left    = pWinpos->x;
 500         pNewWindowRect->top     = pWinpos->y;
 501         pNewWindowRect->right  += pWinpos->x - wndPtr->rectWindow.left;
 502         pNewWindowRect->bottom += pWinpos->y - wndPtr->rectWindow.top;
 503
 504         OffsetRect( pNewClientRect, pWinpos->x - wndPtr->rectWindow.left,
 505                                     pWinpos->y - wndPtr->rectWindow.top );
 506     }
 507     pWinpos->flags |= SWP_NOCLIENTMOVE | SWP_NOCLIENTSIZE;
 508
 509     TRACE( "hwnd %p, after %p, swp %d,%d %dx%d flags %08x\n",
 510            pWinpos->hwnd, pWinpos->hwndInsertAfter, pWinpos->x, pWinpos->y,
 511            pWinpos->cx, pWinpos->cy, pWinpos->flags );
 512     TRACE( "current %s style %08lx new %s\n",
 513            wine_dbgstr_rect( &wndPtr->rectWindow ), wndPtr->dwStyle,
 514            wine_dbgstr_rect( pNewWindowRect ));
 515
 516     WIN_ReleasePtr( wndPtr );
 517     return TRUE;
 518 }
 519
 520
 521 /***********************************************************************
 522  *              SetWindowPos   (TTYDRV.@)
 523  */
 524 BOOL TTYDRV_SetWindowPos( WINDOWPOS *winpos )
 525 {
 526     RECT newWindowRect, newClientRect;
 527     UINT orig_flags;
 528
 529     TRACE( "hwnd %p, after %p, swp %d,%d %dx%d flags %08x\n",
 530            winpos->hwnd, winpos->hwndInsertAfter, winpos->x, winpos->y,
 531            winpos->cx, winpos->cy, winpos->flags);
 532
 533     orig_flags = winpos->flags;
 534     winpos->flags &= ~SWP_WINE_NOHOSTMOVE;
 535
 536     /* Check window handle */
 537     if (winpos->hwnd == GetDesktopWindow()) return FALSE;
 538
 539     /* First make sure that coordinates are valid for WM_WINDOWPOSCHANGING */
 540     if (!(winpos->flags & SWP_NOMOVE))
 541     {
 542         if (winpos->x < -32768) winpos->x = -32768;
 543         else if (winpos->x > 32767) winpos->x = 32767;
 544         if (winpos->y < -32768) winpos->y = -32768;
 545         else if (winpos->y > 32767) winpos->y = 32767;
 546     }
 547     if (!(winpos->flags & SWP_NOSIZE))
 548     {
 549         if (winpos->cx < 0) winpos->cx = 0;
 550         else if (winpos->cx > 32767) winpos->cx = 32767;
 551         if (winpos->cy < 0) winpos->cy = 0;
 552         else if (winpos->cy > 32767) winpos->cy = 32767;
 553     }
 554
 555     if (!SWP_DoWinPosChanging( winpos, &newWindowRect, &newClientRect )) return FALSE;
 556
 557     /* Fix redundant flags */
 558     if (!fixup_flags( winpos )) return FALSE;
 559
 560     if((winpos->flags & (SWP_NOZORDER | SWP_HIDEWINDOW | SWP_SHOWWINDOW)) != SWP_NOZORDER)
 561     {
 562         if (GetAncestor( winpos->hwnd, GA_PARENT ) == GetDesktopWindow())
 563             winpos->hwndInsertAfter = SWP_DoOwnedPopups( winpos->hwnd, winpos->hwndInsertAfter );
 564     }
 565
 566     /* Common operations */
 567
 568     SWP_DoNCCalcSize( winpos, &newWindowRect, &newClientRect );
 569
 570     if (!set_window_pos( winpos->hwnd, winpos->hwndInsertAfter,
 571                          &newWindowRect, &newClientRect, orig_flags ))
 572         return FALSE;
 573
 574     if( winpos->flags & SWP_HIDEWINDOW )
 575         HideCaret(winpos->hwnd);
 576     else if (winpos->flags & SWP_SHOWWINDOW)
 577         ShowCaret(winpos->hwnd);
 578
 579     if (!(winpos->flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW)))
 580     {
 581         /* child windows get WM_CHILDACTIVATE message */
 582         if ((GetWindowLongW( winpos->hwnd, GWL_STYLE ) & (WS_CHILD | WS_POPUP)) == WS_CHILD)
 583             SendMessageA( winpos->hwnd, WM_CHILDACTIVATE, 0, 0 );
 584         else
 585             SetForegroundWindow( winpos->hwnd );
 586     }
 587
 588       /* And last, send the WM_WINDOWPOSCHANGED message */
 589
 590     TRACE("\tstatus flags = %04x\n", winpos->flags & SWP_AGG_STATUSFLAGS);
 591
 592     if (((winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOPOSCHANGE))
 593     {
 594         /* WM_WINDOWPOSCHANGED is sent even if SWP_NOSENDCHANGING is set
 595            and always contains final window position.
 596          */
 597         winpos->x = newWindowRect.left;
 598         winpos->y = newWindowRect.top;
 599         winpos->cx = newWindowRect.right - newWindowRect.left;
 600         winpos->cy = newWindowRect.bottom - newWindowRect.top;
 601         SendMessageW( winpos->hwnd, WM_WINDOWPOSCHANGED, 0, (LPARAM)winpos );
 602     }
 603
 604     return TRUE;
 605 }
 606
 607
 608 /***********************************************************************
 609  *              WINPOS_MinMaximize   (internal)
 610  *
 611  *Lifted from x11 driver
 612  */
 613 static UINT WINPOS_MinMaximize( HWND hwnd, UINT cmd, LPRECT rect )
 614 {
 615     UINT swpFlags = 0;
 616     WINDOWPLACEMENT wpl;
 617
 618     TRACE("%p %u\n", hwnd, cmd );
 619     FIXME("(%p): stub\n", hwnd);
 620
 621     wpl.length = sizeof(wpl);
 622     GetWindowPlacement( hwnd, &wpl );
 623
 624     /* If I glark this right, yields an immutable window*/
 625     swpFlags = SWP_NOSIZE | SWP_NOMOVE;
 626
 627     /*cmd handling goes here.  see dlls/x1drv/winpos.c*/
 628
 629     return swpFlags;
 630 }
 631
 632 /***********************************************************************
 633  *              ShowWindow   (TTYDRV.@)
 634  *
 635  *Lifted from x11 driver
 636  *Sets the specified windows' show state.
 637  */
 638 BOOL TTYDRV_ShowWindow( HWND hwnd, INT cmd )
 639 {
 640     WND *wndPtr;
 641     LONG style = GetWindowLongW( hwnd, GWL_STYLE );
 642     BOOL wasVisible = (style & WS_VISIBLE) != 0;
 643     BOOL showFlag = TRUE;
 644     RECT newPos = {0, 0, 0, 0};
 645     UINT swp = 0;
 646
 647
 648     TRACE("hwnd=%p, cmd=%d, wasVisible %d\n", hwnd, cmd, wasVisible);
 649
 650     switch(cmd)
 651     {
 652         case SW_HIDE:
 653             if (!wasVisible) return FALSE;
 654             showFlag = FALSE;
 655             swp |= SWP_HIDEWINDOW | SWP_NOSIZE | SWP_NOMOVE | SWP_NOZORDER;
 656             break;
 657
 658         case SW_SHOWMINNOACTIVE:
 659             swp |= SWP_NOACTIVATE | SWP_NOZORDER;
 660             /* fall through */
 661         case SW_SHOWMINIMIZED:
 662         case SW_FORCEMINIMIZE: /* FIXME: Does not work if thread is hung. */
 663             swp |= SWP_SHOWWINDOW;
 664             /* fall through */
 665         case SW_MINIMIZE:
 666             swp |= SWP_FRAMECHANGED;
 667             if( !(style & WS_MINIMIZE) )
 668                  swp |= WINPOS_MinMaximize( hwnd, SW_MINIMIZE, &newPos );
 669             else swp |= SWP_NOSIZE | SWP_NOMOVE;
 670             break;
 671
 672         case SW_SHOWMAXIMIZED: /* same as SW_MAXIMIZE */
 673             swp |= SWP_SHOWWINDOW | SWP_FRAMECHANGED;
 674             if( !(style & WS_MAXIMIZE) )
 675                  swp |= WINPOS_MinMaximize( hwnd, SW_MAXIMIZE, &newPos );
 676             else swp |= SWP_NOSIZE | SWP_NOMOVE;
 677             break;
 678
 679         case SW_SHOWNA:
 680             swp |= SWP_NOACTIVATE | SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE;
 681             if (style & WS_CHILD) swp |= SWP_NOZORDER;
 682             break;
 683         case SW_SHOW:
 684             if (wasVisible) return TRUE;
 685             swp |= SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE;
 686             break;
 687
 688         case SW_RESTORE:
 689             swp |= SWP_FRAMECHANGED;
 690             /* fall through */
 691         case SW_SHOWNOACTIVATE:
 692             swp |= SWP_NOACTIVATE | SWP_NOZORDER;
 693             /* fall through */
 694         case SW_SHOWNORMAL:  /* same as SW_NORMAL: */
 695         case SW_SHOWDEFAULT: /* FIXME: should have its own handler */
 696             swp |= SWP_SHOWWINDOW;
 697
 698             if (style & (WS_MINIMIZE | WS_MAXIMIZE))
 699                  swp |= WINPOS_MinMaximize( hwnd, SW_RESTORE, &newPos );
 700             else swp |= SWP_NOSIZE | SWP_NOMOVE;
 701             break;
 702     }
 703
 704     if (showFlag != wasVisible || cmd == SW_SHOWNA)
 705     {
 706         SendMessageW( hwnd, WM_SHOWWINDOW, showFlag, 0 );
 707         if (!IsWindow( hwnd )) return wasVisible;
 708     }
 709
 710     /* ShowWindow won't activate a not being maximized child window */
 711     if ((style & WS_CHILD) && cmd != SW_MAXIMIZE)
 712         swp |= SWP_NOACTIVATE | SWP_NOZORDER;
 713
 714     SetWindowPos( hwnd, HWND_TOP, newPos.left, newPos.top,
 715                   newPos.right, newPos.bottom, LOWORD(swp) );
 716     if (cmd == SW_HIDE)
 717     {
 718         HWND hFocus;
 719
 720         /* FIXME: This will cause the window to be activated irrespective
 721          * of whether it is owned by the same thread. Has to be done
 722          * asynchronously.
 723          */
 724
 725         if (hwnd == GetActiveWindow())
 726             WINPOS_ActivateOtherWindow(hwnd);
 727
 728         /* Revert focus to parent */
 729         hFocus = GetFocus();
 730         if (hwnd == hFocus || IsChild(hwnd, hFocus))
 731         {
 732             HWND parent = GetAncestor(hwnd, GA_PARENT);
 733             if (parent == GetDesktopWindow()) parent = 0;
 734             SetFocus(parent);
 735         }
 736     }
 737
 738     if (IsIconic(hwnd)) WINPOS_ShowIconTitle( hwnd, TRUE );
 739
 740     if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return wasVisible;
 741
 742     if (wndPtr->flags & WIN_NEED_SIZE)
 743     {
 744         /* should happen only in CreateWindowEx() */
 745         int wParam = SIZE_RESTORED;
 746         RECT client = wndPtr->rectClient;
 747
 748         wndPtr->flags &= ~WIN_NEED_SIZE;
 749         if (wndPtr->dwStyle & WS_MAXIMIZE) wParam = SIZE_MAXIMIZED;
 750         else if (wndPtr->dwStyle & WS_MINIMIZE) wParam = SIZE_MINIMIZED;
 751         WIN_ReleasePtr( wndPtr );
 752
 753         SendMessageW( hwnd, WM_SIZE, wParam,
 754                       MAKELONG( client.right - client.left, client.bottom - client.top ));
 755         SendMessageW( hwnd, WM_MOVE, 0, MAKELONG( client.left, client.top ));
 756     }
 757     else WIN_ReleasePtr( wndPtr );
 758
 759     return wasVisible;
 760 }