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