src/x11/toplevel.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        x11/toplevel.cpp
   3 // Purpose:     implements wxTopLevelWindow for X11
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     24.09.01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2002 Julian Smart
   9 // License:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "toplevel.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32     #include "wx/app.h"
  33     #include "wx/toplevel.h"
  34     #include "wx/string.h"
  35     #include "wx/log.h"
  36     #include "wx/intl.h"
  37     #include "wx/frame.h"
  38     #include "wx/menu.h"
  39     #include "wx/statusbr.h"
  40 #endif //WX_PRECOMP
  41
  42 #include "wx/settings.h"
  43 #include "wx/x11/private.h"
  44 #include "X11/Xutil.h"
  45
  46 bool wxMWMIsRunning(Window w);
  47
  48 // ----------------------------------------------------------------------------
  49 // wxTopLevelWindowX11 creation
  50 // ----------------------------------------------------------------------------
  51
  52 void wxTopLevelWindowX11::Init()
  53 {
  54     m_iconized =
  55     m_maximizeOnShow = FALSE;
  56
  57     // unlike (almost?) all other windows, frames are created hidden
  58     m_isShown = FALSE;
  59
  60     // Data to save/restore when calling ShowFullScreen
  61     m_fsStyle = 0;
  62     m_fsIsMaximized = FALSE;
  63     m_fsIsShowing = FALSE;
  64
  65     m_needResizeInIdle = FALSE;
  66 }
  67
  68 bool wxTopLevelWindowX11::Create(wxWindow *parent,
  69                                  wxWindowID id,
  70                                  const wxString& title,
  71                                  const wxPoint& pos,
  72                                  const wxSize& size,
  73                                  long style,
  74                                  const wxString& name)
  75 {
  76     // init our fields
  77     Init();
  78
  79     m_windowStyle = style;
  80     m_parent = parent;
  81
  82     SetName(name);
  83
  84     m_windowId = id == -1 ? NewControlId() : id;
  85
  86     if (parent)
  87         parent->AddChild(this);
  88
  89     wxTopLevelWindows.Append(this);
  90
  91     Display *xdisplay = wxGlobalDisplay();
  92     int xscreen = DefaultScreen( xdisplay );
  93     Visual *xvisual = DefaultVisual( xdisplay, xscreen );
  94     Window xparent = RootWindow( xdisplay, xscreen );
  95     Colormap cm = DefaultColormap( xdisplay, xscreen );
  96
  97     if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)
  98         m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
  99     else
 100         m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE);
 101     m_backgroundColour.CalcPixel( (WXColormap) cm );
 102     m_hasBgCol = TRUE;
 103
 104     wxSize size2(size);
 105     if (size2.x == -1)
 106         size2.x = 100;
 107     if (size2.y == -1)
 108         size2.y = 100;
 109
 110     wxPoint pos2(pos);
 111     if (pos2.x == -1)
 112         pos2.x = 100;
 113     if (pos2.y == -1)
 114         pos2.y = 100;
 115
 116 #if !wxUSE_NANOX
 117     XSetWindowAttributes xattributes;
 118     XSizeHints size_hints;
 119
 120     long xattributes_mask =
 121         CWBorderPixel | CWBackPixel;
 122
 123     xattributes.background_pixel = m_backgroundColour.GetPixel();
 124     xattributes.border_pixel = BlackPixel( xdisplay, xscreen );
 125
 126     if (HasFlag( wxNO_BORDER ))
 127     {
 128         xattributes_mask |= CWOverrideRedirect;
 129         xattributes.override_redirect = True;
 130     }
 131
 132     if (HasFlag( wxNO_FULL_REPAINT_ON_RESIZE ))
 133     {
 134         xattributes_mask |= CWBitGravity;
 135         xattributes.bit_gravity = StaticGravity;
 136     }
 137
 138     xattributes_mask |= CWEventMask;
 139     xattributes.event_mask =
 140         ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 141         ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 142         KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 143         PropertyChangeMask;
 144
 145     Window xwindow = XCreateWindow( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 146                                     0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 147 #else
 148     long backColor, foreColor;
 149     backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 150     foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 151
 152     Window xwindow = XCreateWindowWithColor( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 153                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 154 #endif
 155
 156     m_mainWindow = (WXWindow) xwindow;
 157     m_clientWindow = (WXWindow) xwindow;
 158     wxAddWindowToTable( xwindow, (wxWindow*) this );
 159
 160 #if wxUSE_NANOX
 161     XSelectInput( xdisplay, xwindow,
 162                   GR_EVENT_MASK_CLOSE_REQ |
 163                   ExposureMask |
 164                   KeyPressMask |
 165                   KeyReleaseMask |
 166                   ButtonPressMask |
 167                   ButtonReleaseMask |
 168                   ButtonMotionMask |
 169                   EnterWindowMask |
 170                   LeaveWindowMask |
 171                   PointerMotionMask |
 172                   KeymapStateMask |
 173                   FocusChangeMask |
 174                   ColormapChangeMask |
 175                   StructureNotifyMask |
 176                   PropertyChangeMask
 177                   );
 178 #endif
 179
 180     // Set background to None which will prevent X11 from clearing the
 181     // background completely.
 182     XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 183
 184 #if !wxUSE_NANOX
 185     if (HasFlag( wxSTAY_ON_TOP ))
 186     {
 187         Window xroot = RootWindow( xdisplay, xscreen );
 188         XSetTransientForHint( xdisplay, xwindow, xroot );
 189     }
 190     else
 191     {
 192        if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)
 193        {
 194             if (GetParent() && GetParent()->GetMainWindow())
 195             {
 196                 Window xparentwindow = (Window) GetParent()->GetMainWindow();
 197                 XSetTransientForHint( xdisplay, xwindow, xparentwindow );
 198             }
 199         }
 200     }
 201
 202     size_hints.flags = PSize | PPosition;
 203     size_hints.x = pos2.x;
 204     size_hints.y = pos2.y;
 205     size_hints.width = size2.x;
 206     size_hints.height = size2.y;
 207     XSetWMNormalHints( xdisplay, xwindow, &size_hints);
 208
 209     XWMHints wm_hints;
 210     wm_hints.flags = InputHint | StateHint;
 211     if (GetParent())
 212     {
 213         wm_hints.flags |= WindowGroupHint;
 214         wm_hints.window_group = (Window) GetParent()->GetMainWindow();
 215     }
 216     wm_hints.input = True;
 217     wm_hints.initial_state = NormalState;
 218     XSetWMHints( xdisplay, xwindow, &wm_hints);
 219
 220     Atom wm_protocols[2];
 221     wm_protocols[0] = XInternAtom( xdisplay, "WM_DELETE_WINDOW", False );
 222     wm_protocols[1] = XInternAtom( xdisplay, "WM_TAKE_FOCUS", False );
 223     XSetWMProtocols( xdisplay, xwindow, wm_protocols, 2);
 224
 225 #if 0 // TODO
 226     // You will need a compliant window manager for this to work
 227     // (e.g. sawfish/enlightenment/kde/icewm/windowmaker)
 228     if (style & wxSTAY_ON_TOP)
 229     {
 230         CARD32 data = 4; // or should this be 6? According to http://developer.gnome.org/doc/standards/wm/c44.html
 231         XChangeProperty (xdisplay,
 232                     xwindow,
 233                     XInternAtom (xdisplay, "_WIN_LAYER", False),
 234                     XA_CARDINAL,
 235                     32,
 236                     PropModeReplace,
 237                     (unsigned char *)&data,
 238                     1);
 239     }
 240 #endif
 241
 242 #endif
 243
 244     wxSetWMDecorations( xwindow, style);
 245
 246     SetTitle(title);
 247
 248     return TRUE;
 249 }
 250
 251 wxTopLevelWindowX11::~wxTopLevelWindowX11()
 252 {
 253     wxTopLevelWindows.DeleteObject(this);
 254
 255     // If this is the last top-level window, exit.
 256     if ( wxTheApp && (wxTopLevelWindows.Number() == 0) )
 257     {
 258         wxTheApp->SetTopWindow(NULL);
 259
 260         if (wxTheApp->GetExitOnFrameDelete())
 261         {
 262             // Signal to the app that we're going to close
 263             wxTheApp->ExitMainLoop();
 264         }
 265     }
 266 }
 267
 268 void wxTopLevelWindowX11::OnInternalIdle()
 269 {
 270     wxWindow::OnInternalIdle();
 271
 272     if (m_needResizeInIdle)
 273     {
 274         wxSizeEvent event( GetClientSize(), GetId() );
 275         event.SetEventObject( this );
 276         GetEventHandler()->ProcessEvent( event );
 277
 278         m_needResizeInIdle = FALSE;
 279     }
 280 }
 281
 282 // ----------------------------------------------------------------------------
 283 // wxTopLevelWindowX11 showing
 284 // ----------------------------------------------------------------------------
 285
 286 bool wxTopLevelWindowX11::Show(bool show)
 287 {
 288     XSync( wxGlobalDisplay(), False );
 289
 290     // Nano-X has to force a size event,
 291     // else there's no initial size.
 292 #if wxUSE_NANOX
 293     if (show)
 294 #else
 295     if (show && m_needResizeInIdle)
 296 #endif
 297     {
 298         wxSizeEvent event(GetSize(), GetId());
 299         event.SetEventObject(this);
 300         GetEventHandler()->ProcessEvent(event);
 301
 302         m_needResizeInIdle = FALSE;
 303     }
 304     if (show)
 305     {
 306         // This does the layout _before_ the
 307         // window is shown, else the items are
 308         // drawn first at the wrong positions,
 309         // then at the correct positions.
 310         if (GetAutoLayout())
 311         {
 312             Layout();
 313         }
 314     }
 315     wxYield();
 316
 317     bool ret = wxWindowX11::Show(show);
 318     return ret;
 319 }
 320
 321 // ----------------------------------------------------------------------------
 322 // wxTopLevelWindowX11 maximize/minimize
 323 // ----------------------------------------------------------------------------
 324
 325 void wxTopLevelWindowX11::Maximize(bool maximize)
 326 {
 327     // TODO
 328 }
 329
 330 bool wxTopLevelWindowX11::IsMaximized() const
 331 {
 332     // TODO
 333     return TRUE;
 334 }
 335
 336 void wxTopLevelWindowX11::Iconize(bool iconize)
 337 {
 338     if (!m_iconized && GetMainWindow())
 339     {
 340         if (XIconifyWindow(wxGlobalDisplay(),
 341             (Window) GetMainWindow(), DefaultScreen(wxGlobalDisplay())) != 0)
 342             m_iconized = TRUE;
 343     }
 344 }
 345
 346 bool wxTopLevelWindowX11::IsIconized() const
 347 {
 348     return m_iconized;
 349 }
 350
 351 void wxTopLevelWindowX11::Restore()
 352 {
 353     // This is the way to deiconify the window, according to the X FAQ
 354     if (m_iconized && GetMainWindow())
 355     {
 356         XMapWindow(wxGlobalDisplay(), (Window) GetMainWindow());
 357         m_iconized = FALSE;
 358     }
 359 }
 360
 361 // ----------------------------------------------------------------------------
 362 // wxTopLevelWindowX11 fullscreen
 363 // ----------------------------------------------------------------------------
 364
 365 bool wxTopLevelWindowX11::ShowFullScreen(bool show, long style)
 366 {
 367     if (show)
 368     {
 369         if (IsFullScreen())
 370             return FALSE;
 371
 372         m_fsIsShowing = TRUE;
 373         m_fsStyle = style;
 374
 375         // TODO
 376
 377         return TRUE;
 378     }
 379     else
 380     {
 381         if (!IsFullScreen())
 382             return FALSE;
 383
 384         m_fsIsShowing = FALSE;
 385
 386         // TODO
 387         return TRUE;
 388     }
 389 }
 390
 391 // ----------------------------------------------------------------------------
 392 // wxTopLevelWindowX11 misc
 393 // ----------------------------------------------------------------------------
 394
 395 void wxTopLevelWindowX11::SetIcon(const wxIcon& icon)
 396 {
 397     // this sets m_icon
 398     wxTopLevelWindowBase::SetIcon(icon);
 399
 400     if (icon.Ok() && GetMainWindow())
 401     {
 402 #if wxUSE_NANOX
 403 #else
 404         XWMHints *wmHints = XAllocWMHints();
 405         wmHints->icon_pixmap = (Pixmap) icon.GetPixmap();
 406
 407         wmHints->flags = IconPixmapHint;
 408
 409         if (icon.GetMask())
 410         {
 411             wmHints->flags |= IconMaskHint;
 412             wmHints->icon_mask = (Pixmap) icon.GetMask()->GetBitmap();
 413         }
 414
 415         XSetWMHints(wxGlobalDisplay(), (Window) GetMainWindow(), wmHints);
 416         XFree(wmHints);
 417 #endif
 418     }
 419 }
 420
 421 void wxTopLevelWindowX11::SetTitle(const wxString& title)
 422 {
 423     m_title = title;
 424     if (GetMainWindow())
 425     {
 426         XStoreName(wxGlobalDisplay(), (Window) GetMainWindow(),
 427             (const char*) title);
 428         XSetIconName(wxGlobalDisplay(), (Window) GetMainWindow(),
 429             (const char*) title);
 430
 431         // Use this if the platform doesn't supply the above functions.
 432 #if 0
 433         XTextProperty textProperty;
 434         textProperty.value = (unsigned char*) title;
 435         textProperty.encoding = XA_STRING;
 436         textProperty.format = 8;
 437         textProperty.nitems = 1;
 438
 439         XSetTextProperty(wxGlobalDisplay(), (Window) GetMainWindow(),
 440             & textProperty, WM_NAME);
 441 #endif
 442     }
 443 }
 444
 445 wxString wxTopLevelWindowX11::GetTitle() const
 446 {
 447     return m_title;
 448 }
 449
 450 #ifndef MWM_DECOR_BORDER
 451
 452 #define MWM_HINTS_FUNCTIONS     (1L << 0)
 453 #define MWM_HINTS_DECORATIONS   (1L << 1)
 454 #define MWM_HINTS_INPUT_MODE    (1L << 2)
 455 #define MWM_HINTS_STATUS        (1L << 3)
 456
 457 #define MWM_DECOR_ALL           (1L << 0)
 458 #define MWM_DECOR_BORDER        (1L << 1)
 459 #define MWM_DECOR_RESIZEH       (1L << 2)
 460 #define MWM_DECOR_TITLE         (1L << 3)
 461 #define MWM_DECOR_MENU          (1L << 4)
 462 #define MWM_DECOR_MINIMIZE      (1L << 5)
 463 #define MWM_DECOR_MAXIMIZE      (1L << 6)
 464
 465 #define MWM_FUNC_ALL            (1L << 0)
 466 #define MWM_FUNC_RESIZE         (1L << 1)
 467 #define MWM_FUNC_MOVE           (1L << 2)
 468 #define MWM_FUNC_MINIMIZE       (1L << 3)
 469 #define MWM_FUNC_MAXIMIZE       (1L << 4)
 470 #define MWM_FUNC_CLOSE          (1L << 5)
 471
 472 #define MWM_INPUT_MODELESS 0
 473 #define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1
 474 #define MWM_INPUT_SYSTEM_MODAL 2
 475 #define MWM_INPUT_FULL_APPLICATION_MODAL 3
 476 #define MWM_INPUT_APPLICATION_MODAL MWM_INPUT_PRIMARY_APPLICATION_MODAL
 477
 478 #define MWM_TEAROFF_WINDOW      (1L<<0)
 479
 480 #endif
 481
 482 struct MwmHints {
 483     long flags;
 484     long functions;
 485     long decorations;
 486     long input_mode;
 487 };
 488
 489 #define PROP_MOTIF_WM_HINTS_ELEMENTS 5
 490
 491 // Set the window manager decorations according to the
 492 // given wxWindows style
 493 bool wxSetWMDecorations(Window w, long style)
 494 {
 495 #if wxUSE_NANOX
 496     GR_WM_PROPERTIES wmProp;
 497
 498     wmProp.flags = 0;
 499     wmProp.props = 0;
 500
 501     if (style & wxRESIZE_BORDER)
 502     {
 503         wmProp.props |= GR_WM_PROPS_APPFRAME ;
 504         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 505     }
 506
 507     if (style & wxSYSTEM_MENU)
 508     {
 509         wmProp.props |= GR_WM_PROPS_CLOSEBOX ;
 510         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 511     }
 512
 513     if ((style & wxCAPTION) ||
 514         (style & wxTINY_CAPTION_HORIZ) ||
 515         (style & wxTINY_CAPTION_VERT))
 516     {
 517         wmProp.props |= GR_WM_PROPS_CAPTION ;
 518         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 519
 520         // The default dialog style doesn't include any kind
 521         // of border, which is a bit odd. Anyway, inclusion
 522         // of a caption surely implies a border.
 523         style |= wxTHICK_FRAME;
 524     }
 525
 526     if (style & wxTHICK_FRAME)
 527     {
 528         wmProp.props |= GR_WM_PROPS_APPFRAME ;
 529         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 530     }
 531
 532     if (style & wxSIMPLE_BORDER)
 533     {
 534         wmProp.props |= GR_WM_PROPS_BORDER ;
 535         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 536     }
 537
 538     if (style & wxMINIMIZE_BOX)
 539     {
 540     }
 541
 542     if (style & wxMAXIMIZE_BOX)
 543     {
 544         wmProp.props |= GR_WM_PROPS_MAXIMIZE ;
 545         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 546     }
 547
 548     if (((style & wxBORDER) != wxBORDER) && ((style & wxTHICK_FRAME) != wxTHICK_FRAME)
 549         && ((style & wxRESIZE_BORDER) != wxRESIZE_BORDER))
 550     {
 551         wmProp.props |= GR_WM_PROPS_NODECORATE ;
 552         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 553     }
 554
 555     GrSetWMProperties(w, & wmProp);
 556
 557 #else
 558
 559     Atom mwm_wm_hints = XInternAtom(wxGlobalDisplay(),"_MOTIF_WM_HINTS", False);
 560     if (mwm_wm_hints == 0)
 561        return FALSE;
 562
 563     MwmHints hints;
 564     hints.flags = MWM_HINTS_DECORATIONS | MWM_HINTS_FUNCTIONS;
 565     hints.decorations = 0;
 566     hints.functions = 0;
 567
 568     if ((style & wxSIMPLE_BORDER) || (style & wxNO_BORDER))
 569     {
 570         // leave zeros
 571     }
 572     else
 573     {
 574         hints.decorations = MWM_DECOR_BORDER;
 575         hints.functions = MWM_FUNC_MOVE;
 576
 577         if ((style & wxCAPTION) != 0)
 578             hints.decorations |= MWM_DECOR_TITLE;
 579
 580         if ((style & wxSYSTEM_MENU) != 0)
 581         {
 582             hints.functions |= MWM_FUNC_CLOSE;
 583             hints.decorations |= MWM_DECOR_MENU;
 584         }
 585
 586         if ((style & wxMINIMIZE_BOX) != 0)
 587         {
 588             hints.functions |= MWM_FUNC_MINIMIZE;
 589             hints.decorations |= MWM_DECOR_MINIMIZE;
 590         }
 591
 592         if ((style & wxMAXIMIZE_BOX) != 0)
 593         {
 594             hints.functions |= MWM_FUNC_MAXIMIZE;
 595             hints.decorations |= MWM_DECOR_MAXIMIZE;
 596         }
 597
 598         if ((style & wxRESIZE_BORDER) != 0)
 599         {
 600             hints.functions |= MWM_FUNC_RESIZE;
 601             hints.decorations |= MWM_DECOR_RESIZEH;
 602         }
 603     }
 604
 605     XChangeProperty(wxGlobalDisplay(),
 606                     w,
 607                     mwm_wm_hints, mwm_wm_hints,
 608                     32, PropModeReplace,
 609                     (unsigned char *) &hints, PROP_MOTIF_WM_HINTS_ELEMENTS);
 610
 611 #endif
 612     return TRUE;
 613 }
 614
 615 // For implementation purposes - sometimes decorations make the client area
 616 // smaller
 617 wxPoint wxTopLevelWindowX11::GetClientAreaOrigin() const
 618 {
 619     // wxFrame::GetClientAreaOrigin
 620     // does the required calculation already.
 621     return wxPoint(0, 0);
 622 }
 623
 624 void wxTopLevelWindowX11::DoGetClientSize( int *width, int *height ) const
 625 {
 626     XSync(wxGlobalDisplay(), False);
 627     wxWindowX11::DoGetClientSize(width, height);
 628 }
 629
 630 void wxTopLevelWindowX11::DoSetClientSize(int width, int height)
 631 {
 632     wxWindowX11::DoSetClientSize(width, height);
 633
 634 #if !wxUSE_NANOX
 635     // Set the top-level window size
 636     XSizeHints size_hints;
 637     wxSize oldSize = GetSize();
 638     wxSize oldClientSize = GetClientSize();
 639
 640     size_hints.flags = PSize;
 641     size_hints.width = width + (oldSize.x - oldClientSize.x);
 642     size_hints.height = height + (oldSize.y - oldClientSize.y);
 643     XSetWMNormalHints( wxGlobalDisplay(), (Window) GetMainWindow(),
 644                        &size_hints);
 645
 646     // This seems to be necessary or resizes don't get performed
 647     XSync(wxGlobalDisplay(), False);
 648     XSync(wxGlobalDisplay(), False);
 649
 650 #if 0
 651     wxLogDebug("DoSetClientSize: Tried to set size to %d, %d", (int) size_hints.width, (int) size_hints.height);
 652
 653     XSync(wxGlobalDisplay(), False);
 654     wxSize newSize = GetSize();
 655     wxLogDebug("New size is %d, %d", (int) newSize.x, (int) newSize.y);
 656 #endif
 657 #endif
 658 }
 659
 660 void wxTopLevelWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 661 {
 662     //    wxLogDebug("DoSetSize: %s (%ld) %d, %d %dx%d", GetClassInfo()->GetClassName(), GetId(), x, y, width, height);
 663
 664 #if 0
 665     wxWindowX11::DoSetSize(x, y, width, height, sizeFlags);
 666 #endif
 667     XSync(wxGlobalDisplay(), False);
 668     Window window = (Window) m_mainWindow;
 669     if (!window)
 670         return ;
 671
 672     Display *display = wxGlobalDisplay();
 673     Window root = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 674     Window parent_window = window,
 675         next_parent   = window;
 676
 677     // search for the parent that is child of ROOT, because the WM may
 678     // reparent twice and notify only the next parent (like FVWM)
 679     while (next_parent != root) {
 680         Window *theChildren;
 681 #if wxUSE_NANOX
 682         GR_COUNT n;
 683 #else
 684         unsigned int n;
 685 #endif
 686         parent_window = next_parent;
 687         XQueryTree(display, parent_window, &root,
 688             &next_parent, &theChildren, &n);
 689         XFree(theChildren); // not needed
 690     }
 691
 692     XWindowChanges windowChanges;
 693     windowChanges.x = x;
 694     windowChanges.y = y;
 695     windowChanges.width = width;
 696     windowChanges.height = height;
 697     windowChanges.stack_mode = 0;
 698     int valueMask = CWX | CWY | CWWidth | CWHeight;
 699
 700     if (x != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 701     {
 702         valueMask |= CWX;
 703     }
 704     if (y != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 705     {
 706         valueMask |= CWY;
 707     }
 708     if (width != -1)
 709     {
 710         windowChanges.width = wxMax(1, width);
 711         valueMask |= CWWidth;
 712     }
 713     if (height != -1)
 714     {
 715         windowChanges.height = wxMax(1, height);
 716         valueMask |= CWHeight;
 717     }
 718
 719     XConfigureWindow( display, parent_window, valueMask, &windowChanges );
 720
 721 #if !wxUSE_NANOX
 722     XSizeHints size_hints;
 723     size_hints.flags = 0;
 724     if (x > -1 && y > -1)
 725         size_hints.flags |= PPosition;
 726     if (width > -1 && height > -1)
 727         size_hints.flags |= PSize;
 728     size_hints.width = width;
 729     size_hints.height = height;
 730     size_hints.x = x;
 731     size_hints.y = y;
 732     XSetWMNormalHints( wxGlobalDisplay(), (Window) GetMainWindow(),
 733                        &size_hints);
 734
 735     // This seems to be necessary or resizes don't get performed.
 736     // Take them out (or even just one of them), and the About
 737     // box of the minimal sample probably won't be resized right.
 738     XSync(wxGlobalDisplay(), False);
 739     XSync(wxGlobalDisplay(), False);
 740 #endif
 741 #if 1
 742     wxSizeEvent event(wxSize(width, height), GetId());
 743     event.SetEventObject(this);
 744     GetEventHandler()->ProcessEvent(event);
 745 #endif
 746 }
 747
 748 void wxTopLevelWindowX11::DoGetPosition(int *x, int *y) const
 749 {
 750     XSync(wxGlobalDisplay(), False);
 751     Window window = (Window) m_mainWindow;
 752     if (!window)
 753         return ;
 754
 755     Display *display = wxGlobalDisplay();
 756     Window root = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 757     Window parent_window = window,
 758         next_parent   = window;
 759
 760     // search for the parent that is child of ROOT, because the WM may
 761     // reparent twice and notify only the next parent (like FVWM)
 762     while (next_parent != root) {
 763         Window *theChildren;
 764 #if wxUSE_NANOX
 765         GR_COUNT n;
 766 #else
 767         unsigned int n;
 768 #endif
 769         parent_window = next_parent;
 770         XQueryTree(display, parent_window, &root,
 771             &next_parent, &theChildren, &n);
 772         XFree(theChildren); // not needed
 773     }
 774 #if 0
 775     int xx, yy; unsigned int dummy;
 776     XGetGeometry(display, parent_window, &root,
 777                  &xx, &yy, &dummy, &dummy, &dummy, &dummy);
 778     if (x) *x = xx;
 779     if (y) *y = yy;
 780 #else
 781     XWindowAttributes attr;
 782     Status status = XGetWindowAttributes( wxGlobalDisplay(), parent_window, & attr);
 783     if (status)
 784     {
 785         if (x) *x = attr.x;
 786         if (y) *y = attr.y;
 787     }
 788     else
 789     {
 790         if (x) *x = 0;
 791         if (y) *y = 0;
 792     }
 793 #endif
 794 }