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 = NorthWestGravity;
 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 | PWinGravity;
 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     size_hints.win_gravity = NorthWestGravity;
 208     XSetWMNormalHints( xdisplay, xwindow, &size_hints);
 209
 210     XWMHints wm_hints;
 211     wm_hints.flags = InputHint | StateHint;
 212     if (GetParent())
 213     {
 214         wm_hints.flags |= WindowGroupHint;
 215         wm_hints.window_group = (Window) GetParent()->GetMainWindow();
 216     }
 217     wm_hints.input = True;
 218     wm_hints.initial_state = NormalState;
 219     XSetWMHints( xdisplay, xwindow, &wm_hints);
 220
 221     Atom wm_protocols[2];
 222     wm_protocols[0] = XInternAtom( xdisplay, "WM_DELETE_WINDOW", False );
 223     wm_protocols[1] = XInternAtom( xdisplay, "WM_TAKE_FOCUS", False );
 224     XSetWMProtocols( xdisplay, xwindow, wm_protocols, 2);
 225
 226 #if 0 // TODO
 227     // You will need a compliant window manager for this to work
 228     // (e.g. sawfish/enlightenment/kde/icewm/windowmaker)
 229     if (style & wxSTAY_ON_TOP)
 230     {
 231         CARD32 data = 4; // or should this be 6? According to http://developer.gnome.org/doc/standards/wm/c44.html
 232         XChangeProperty (xdisplay,
 233                     xwindow,
 234                     XInternAtom (xdisplay, "_WIN_LAYER", False),
 235                     XA_CARDINAL,
 236                     32,
 237                     PropModeReplace,
 238                     (unsigned char *)&data,
 239                     1);
 240     }
 241 #endif
 242
 243 #endif
 244
 245     wxSetWMDecorations( xwindow, style);
 246
 247     SetTitle(title);
 248
 249     return TRUE;
 250 }
 251
 252 wxTopLevelWindowX11::~wxTopLevelWindowX11()
 253 {
 254     wxTopLevelWindows.DeleteObject(this);
 255
 256     // If this is the last top-level window, exit.
 257     if ( wxTheApp && (wxTopLevelWindows.Number() == 0) )
 258     {
 259         wxTheApp->SetTopWindow(NULL);
 260
 261         if (wxTheApp->GetExitOnFrameDelete())
 262         {
 263             // Signal to the app that we're going to close
 264             wxTheApp->ExitMainLoop();
 265         }
 266     }
 267 }
 268
 269 void wxTopLevelWindowX11::OnInternalIdle()
 270 {
 271     wxWindow::OnInternalIdle();
 272
 273     if (m_needResizeInIdle)
 274     {
 275         wxSizeEvent event( GetClientSize(), GetId() );
 276         event.SetEventObject( this );
 277         GetEventHandler()->ProcessEvent( event );
 278
 279         m_needResizeInIdle = FALSE;
 280     }
 281 }
 282
 283 // ----------------------------------------------------------------------------
 284 // wxTopLevelWindowX11 showing
 285 // ----------------------------------------------------------------------------
 286
 287 bool wxTopLevelWindowX11::Show(bool show)
 288 {
 289     XSync( wxGlobalDisplay(), False );
 290
 291     // Nano-X has to force a size event,
 292     // else there's no initial size.
 293 #if wxUSE_NANOX
 294     if (show)
 295 #else
 296     if (show && m_needResizeInIdle)
 297 #endif
 298     {
 299         wxSizeEvent event(GetSize(), GetId());
 300         event.SetEventObject(this);
 301         GetEventHandler()->ProcessEvent(event);
 302
 303         m_needResizeInIdle = FALSE;
 304     }
 305     if (show)
 306     {
 307         // This does the layout _before_ the
 308         // window is shown, else the items are
 309         // drawn first at the wrong positions,
 310         // then at the correct positions.
 311         if (GetAutoLayout())
 312         {
 313             Layout();
 314         }
 315     }
 316     wxYield();
 317
 318     bool ret = wxWindowX11::Show(show);
 319     return ret;
 320 }
 321
 322 // ----------------------------------------------------------------------------
 323 // wxTopLevelWindowX11 maximize/minimize
 324 // ----------------------------------------------------------------------------
 325
 326 void wxTopLevelWindowX11::Maximize(bool maximize)
 327 {
 328     // TODO
 329 }
 330
 331 bool wxTopLevelWindowX11::IsMaximized() const
 332 {
 333     // TODO
 334     return TRUE;
 335 }
 336
 337 void wxTopLevelWindowX11::Iconize(bool iconize)
 338 {
 339     if (!m_iconized && GetMainWindow())
 340     {
 341         if (XIconifyWindow(wxGlobalDisplay(),
 342             (Window) GetMainWindow(), DefaultScreen(wxGlobalDisplay())) != 0)
 343             m_iconized = TRUE;
 344     }
 345 }
 346
 347 bool wxTopLevelWindowX11::IsIconized() const
 348 {
 349     return m_iconized;
 350 }
 351
 352 void wxTopLevelWindowX11::Restore()
 353 {
 354     // This is the way to deiconify the window, according to the X FAQ
 355     if (m_iconized && GetMainWindow())
 356     {
 357         XMapWindow(wxGlobalDisplay(), (Window) GetMainWindow());
 358         m_iconized = FALSE;
 359     }
 360 }
 361
 362 // ----------------------------------------------------------------------------
 363 // wxTopLevelWindowX11 fullscreen
 364 // ----------------------------------------------------------------------------
 365
 366 bool wxTopLevelWindowX11::ShowFullScreen(bool show, long style)
 367 {
 368     if (show)
 369     {
 370         if (IsFullScreen())
 371             return FALSE;
 372
 373         m_fsIsShowing = TRUE;
 374         m_fsStyle = style;
 375
 376         // TODO
 377
 378         return TRUE;
 379     }
 380     else
 381     {
 382         if (!IsFullScreen())
 383             return FALSE;
 384
 385         m_fsIsShowing = FALSE;
 386
 387         // TODO
 388         return TRUE;
 389     }
 390 }
 391
 392 // ----------------------------------------------------------------------------
 393 // wxTopLevelWindowX11 misc
 394 // ----------------------------------------------------------------------------
 395
 396 void wxTopLevelWindowX11::SetIcon(const wxIcon& icon)
 397 {
 398     // this sets m_icon
 399     wxTopLevelWindowBase::SetIcon(icon);
 400
 401     if (icon.Ok() && GetMainWindow())
 402     {
 403 #if wxUSE_NANOX
 404 #else
 405         XWMHints *wmHints = XAllocWMHints();
 406         wmHints->icon_pixmap = (Pixmap) icon.GetPixmap();
 407
 408         wmHints->flags = IconPixmapHint;
 409
 410         if (icon.GetMask())
 411         {
 412             wmHints->flags |= IconMaskHint;
 413             wmHints->icon_mask = (Pixmap) icon.GetMask()->GetBitmap();
 414         }
 415
 416         XSetWMHints(wxGlobalDisplay(), (Window) GetMainWindow(), wmHints);
 417         XFree(wmHints);
 418 #endif
 419     }
 420 }
 421
 422 void wxTopLevelWindowX11::SetTitle(const wxString& title)
 423 {
 424     m_title = title;
 425     if (GetMainWindow())
 426     {
 427         XStoreName(wxGlobalDisplay(), (Window) GetMainWindow(),
 428             (const char*) title);
 429         XSetIconName(wxGlobalDisplay(), (Window) GetMainWindow(),
 430             (const char*) title);
 431
 432         // Use this if the platform doesn't supply the above functions.
 433 #if 0
 434         XTextProperty textProperty;
 435         textProperty.value = (unsigned char*) title;
 436         textProperty.encoding = XA_STRING;
 437         textProperty.format = 8;
 438         textProperty.nitems = 1;
 439
 440         XSetTextProperty(wxGlobalDisplay(), (Window) GetMainWindow(),
 441             & textProperty, WM_NAME);
 442 #endif
 443     }
 444 }
 445
 446 wxString wxTopLevelWindowX11::GetTitle() const
 447 {
 448     return m_title;
 449 }
 450
 451 #ifndef MWM_DECOR_BORDER
 452
 453 #define MWM_HINTS_FUNCTIONS     (1L << 0)
 454 #define MWM_HINTS_DECORATIONS   (1L << 1)
 455 #define MWM_HINTS_INPUT_MODE    (1L << 2)
 456 #define MWM_HINTS_STATUS        (1L << 3)
 457
 458 #define MWM_DECOR_ALL           (1L << 0)
 459 #define MWM_DECOR_BORDER        (1L << 1)
 460 #define MWM_DECOR_RESIZEH       (1L << 2)
 461 #define MWM_DECOR_TITLE         (1L << 3)
 462 #define MWM_DECOR_MENU          (1L << 4)
 463 #define MWM_DECOR_MINIMIZE      (1L << 5)
 464 #define MWM_DECOR_MAXIMIZE      (1L << 6)
 465
 466 #define MWM_FUNC_ALL            (1L << 0)
 467 #define MWM_FUNC_RESIZE         (1L << 1)
 468 #define MWM_FUNC_MOVE           (1L << 2)
 469 #define MWM_FUNC_MINIMIZE       (1L << 3)
 470 #define MWM_FUNC_MAXIMIZE       (1L << 4)
 471 #define MWM_FUNC_CLOSE          (1L << 5)
 472
 473 #define MWM_INPUT_MODELESS 0
 474 #define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1
 475 #define MWM_INPUT_SYSTEM_MODAL 2
 476 #define MWM_INPUT_FULL_APPLICATION_MODAL 3
 477 #define MWM_INPUT_APPLICATION_MODAL MWM_INPUT_PRIMARY_APPLICATION_MODAL
 478
 479 #define MWM_TEAROFF_WINDOW      (1L<<0)
 480
 481 #endif
 482
 483 struct MwmHints {
 484     long flags;
 485     long functions;
 486     long decorations;
 487     long input_mode;
 488 };
 489
 490 #define PROP_MOTIF_WM_HINTS_ELEMENTS 5
 491
 492 // Set the window manager decorations according to the
 493 // given wxWindows style
 494 bool wxSetWMDecorations(Window w, long style)
 495 {
 496 #if wxUSE_NANOX
 497     GR_WM_PROPERTIES wmProp;
 498
 499     wmProp.flags = 0;
 500     wmProp.props = 0;
 501
 502     if (style & wxRESIZE_BORDER)
 503     {
 504         wmProp.props |= GR_WM_PROPS_APPFRAME ;
 505         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 506     }
 507
 508     if (style & wxSYSTEM_MENU)
 509     {
 510         wmProp.props |= GR_WM_PROPS_CLOSEBOX ;
 511         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 512     }
 513
 514     if ((style & wxCAPTION) ||
 515         (style & wxTINY_CAPTION_HORIZ) ||
 516         (style & wxTINY_CAPTION_VERT))
 517     {
 518         wmProp.props |= GR_WM_PROPS_CAPTION ;
 519         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 520
 521         // The default dialog style doesn't include any kind
 522         // of border, which is a bit odd. Anyway, inclusion
 523         // of a caption surely implies a border.
 524         style |= wxTHICK_FRAME;
 525     }
 526
 527     if (style & wxTHICK_FRAME)
 528     {
 529         wmProp.props |= GR_WM_PROPS_APPFRAME ;
 530         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 531     }
 532
 533     if (style & wxSIMPLE_BORDER)
 534     {
 535         wmProp.props |= GR_WM_PROPS_BORDER ;
 536         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 537     }
 538
 539     if (style & wxMINIMIZE_BOX)
 540     {
 541     }
 542
 543     if (style & wxMAXIMIZE_BOX)
 544     {
 545         wmProp.props |= GR_WM_PROPS_MAXIMIZE ;
 546         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 547     }
 548
 549     if (((style & wxBORDER) != wxBORDER) && ((style & wxTHICK_FRAME) != wxTHICK_FRAME)
 550         && ((style & wxRESIZE_BORDER) != wxRESIZE_BORDER))
 551     {
 552         wmProp.props |= GR_WM_PROPS_NODECORATE ;
 553         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 554     }
 555
 556     GrSetWMProperties(w, & wmProp);
 557
 558 #else
 559
 560     Atom mwm_wm_hints = XInternAtom(wxGlobalDisplay(),"_MOTIF_WM_HINTS", False);
 561     if (mwm_wm_hints == 0)
 562        return FALSE;
 563
 564     MwmHints hints;
 565     hints.flags = MWM_HINTS_DECORATIONS | MWM_HINTS_FUNCTIONS;
 566     hints.decorations = 0;
 567     hints.functions = 0;
 568
 569     if ((style & wxSIMPLE_BORDER) || (style & wxNO_BORDER))
 570     {
 571         // leave zeros
 572     }
 573     else
 574     {
 575         hints.decorations = MWM_DECOR_BORDER;
 576         hints.functions = MWM_FUNC_MOVE;
 577
 578         if ((style & wxCAPTION) != 0)
 579             hints.decorations |= MWM_DECOR_TITLE;
 580
 581         if ((style & wxSYSTEM_MENU) != 0)
 582         {
 583             hints.functions |= MWM_FUNC_CLOSE;
 584             hints.decorations |= MWM_DECOR_MENU;
 585         }
 586
 587         if ((style & wxMINIMIZE_BOX) != 0)
 588         {
 589             hints.functions |= MWM_FUNC_MINIMIZE;
 590             hints.decorations |= MWM_DECOR_MINIMIZE;
 591         }
 592
 593         if ((style & wxMAXIMIZE_BOX) != 0)
 594         {
 595             hints.functions |= MWM_FUNC_MAXIMIZE;
 596             hints.decorations |= MWM_DECOR_MAXIMIZE;
 597         }
 598
 599         if ((style & wxRESIZE_BORDER) != 0)
 600         {
 601             hints.functions |= MWM_FUNC_RESIZE;
 602             hints.decorations |= MWM_DECOR_RESIZEH;
 603         }
 604     }
 605
 606     XChangeProperty(wxGlobalDisplay(),
 607                     w,
 608                     mwm_wm_hints, mwm_wm_hints,
 609                     32, PropModeReplace,
 610                     (unsigned char *) &hints, PROP_MOTIF_WM_HINTS_ELEMENTS);
 611
 612 #endif
 613     return TRUE;
 614 }
 615
 616 // For implementation purposes - sometimes decorations make the client area
 617 // smaller
 618 wxPoint wxTopLevelWindowX11::GetClientAreaOrigin() const
 619 {
 620     // wxFrame::GetClientAreaOrigin
 621     // does the required calculation already.
 622     return wxPoint(0, 0);
 623 }
 624
 625 void wxTopLevelWindowX11::DoGetClientSize( int *width, int *height ) const
 626 {
 627     XSync(wxGlobalDisplay(), False);
 628     wxWindowX11::DoGetClientSize(width, height);
 629 }
 630
 631 void wxTopLevelWindowX11::DoSetClientSize(int width, int height)
 632 {
 633     wxWindowX11::DoSetClientSize(width, height);
 634
 635 #if !wxUSE_NANOX
 636     // Set the top-level window size
 637     XSizeHints size_hints;
 638     wxSize oldSize = GetSize();
 639     wxSize oldClientSize = GetClientSize();
 640
 641     size_hints.flags = PSize;
 642     size_hints.width = width + (oldSize.x - oldClientSize.x);
 643     size_hints.height = height + (oldSize.y - oldClientSize.y);
 644     XSetWMNormalHints( wxGlobalDisplay(), (Window) GetMainWindow(),
 645                        &size_hints);
 646
 647     // This seems to be necessary or resizes don't get performed
 648     XSync(wxGlobalDisplay(), False);
 649     XSync(wxGlobalDisplay(), False);
 650
 651 #if 0
 652     wxLogDebug("DoSetClientSize: Tried to set size to %d, %d", (int) size_hints.width, (int) size_hints.height);
 653
 654     XSync(wxGlobalDisplay(), False);
 655     wxSize newSize = GetSize();
 656     wxLogDebug("New size is %d, %d", (int) newSize.x, (int) newSize.y);
 657 #endif
 658 #endif
 659 }
 660
 661 void wxTopLevelWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 662 {
 663     //    wxLogDebug("DoSetSize: %s (%ld) %d, %d %dx%d", GetClassInfo()->GetClassName(), GetId(), x, y, width, height);
 664
 665 #if 0
 666     wxWindowX11::DoSetSize(x, y, width, height, sizeFlags);
 667 #endif
 668     XSync(wxGlobalDisplay(), False);
 669     Window window = (Window) m_mainWindow;
 670     if (!window)
 671         return ;
 672
 673     Display *display = wxGlobalDisplay();
 674     Window root = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 675     Window parent_window = window,
 676         next_parent   = window;
 677
 678     // search for the parent that is child of ROOT, because the WM may
 679     // reparent twice and notify only the next parent (like FVWM)
 680     while (next_parent != root) {
 681         Window *theChildren;
 682 #if wxUSE_NANOX
 683         GR_COUNT n;
 684 #else
 685         unsigned int n;
 686 #endif
 687         parent_window = next_parent;
 688         XQueryTree(display, parent_window, &root,
 689             &next_parent, &theChildren, &n);
 690         XFree(theChildren); // not needed
 691     }
 692
 693     XWindowChanges windowChanges;
 694     windowChanges.x = x;
 695     windowChanges.y = y;
 696     windowChanges.width = width;
 697     windowChanges.height = height;
 698     windowChanges.stack_mode = 0;
 699     int valueMask = CWX | CWY | CWWidth | CWHeight;
 700
 701     if (x != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 702     {
 703         valueMask |= CWX;
 704     }
 705     if (y != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 706     {
 707         valueMask |= CWY;
 708     }
 709     if (width != -1)
 710     {
 711         windowChanges.width = wxMax(1, width);
 712         valueMask |= CWWidth;
 713     }
 714     if (height != -1)
 715     {
 716         windowChanges.height = wxMax(1, height);
 717         valueMask |= CWHeight;
 718     }
 719
 720     XConfigureWindow( display, parent_window, valueMask, &windowChanges );
 721
 722 #if !wxUSE_NANOX
 723     XSizeHints size_hints;
 724     size_hints.flags = 0;
 725     if (x > -1 && y > -1)
 726         size_hints.flags |= PPosition;
 727     if (width > -1 && height > -1)
 728         size_hints.flags |= PSize;
 729     size_hints.width = width;
 730     size_hints.height = height;
 731     size_hints.x = x;
 732     size_hints.y = y;
 733     XSetWMNormalHints( wxGlobalDisplay(), (Window) GetMainWindow(),
 734                        &size_hints);
 735
 736     // This seems to be necessary or resizes don't get performed.
 737     // Take them out (or even just one of them), and the About
 738     // box of the minimal sample probably won't be resized right.
 739     XSync(wxGlobalDisplay(), False);
 740     XSync(wxGlobalDisplay(), False);
 741 #endif
 742 #if 1
 743     wxSizeEvent event(wxSize(width, height), GetId());
 744     event.SetEventObject(this);
 745     GetEventHandler()->ProcessEvent(event);
 746 #endif
 747 }
 748
 749 void wxTopLevelWindowX11::DoGetPosition(int *x, int *y) const
 750 {
 751     XSync(wxGlobalDisplay(), False);
 752     Window window = (Window) m_mainWindow;
 753     if (!window)
 754         return ;
 755
 756     Display *display = wxGlobalDisplay();
 757     Window root = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 758     Window parent_window = window,
 759         next_parent   = window;
 760
 761     // search for the parent that is child of ROOT, because the WM may
 762     // reparent twice and notify only the next parent (like FVWM)
 763     while (next_parent != root) {
 764         Window *theChildren;
 765 #if wxUSE_NANOX
 766         GR_COUNT n;
 767 #else
 768         unsigned int n;
 769 #endif
 770         parent_window = next_parent;
 771         XQueryTree(display, parent_window, &root,
 772             &next_parent, &theChildren, &n);
 773         XFree(theChildren); // not needed
 774     }
 775 #if 0
 776     int xx, yy; unsigned int dummy;
 777     XGetGeometry(display, parent_window, &root,
 778                  &xx, &yy, &dummy, &dummy, &dummy, &dummy);
 779     if (x) *x = xx;
 780     if (y) *y = yy;
 781 #else
 782     XWindowAttributes attr;
 783     Status status = XGetWindowAttributes( wxGlobalDisplay(), parent_window, & attr);
 784     if (status)
 785     {
 786         if (x) *x = attr.x;
 787         if (y) *y = attr.y;
 788     }
 789     else
 790     {
 791         if (x) *x = 0;
 792         if (y) *y = 0;
 793     }
 794 #endif
 795 }