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         CWOverrideRedirect |
 122         CWBorderPixel | CWBackPixel;
 123
 124     xattributes.background_pixel = m_backgroundColour.GetPixel();
 125     xattributes.border_pixel = BlackPixel( xdisplay, xscreen );
 126
 127     // TODO: if we want no border, caption etc.,
 128     // I think we set this to True to remove decorations
 129     // No. RR.
 130     // Yes :-) JACS (because some WMs don't respect
 131     // the hints)
 132     xattributes.override_redirect = (style & wxNO_BORDER) ? True : False;
 133 #endif
 134
 135 #if wxUSE_NANOX
 136     long backColor, foreColor;
 137     backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 138     foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 139
 140     Window xwindow = XCreateWindowWithColor( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 141                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 142 #else
 143     Window xwindow = XCreateWindow( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 144                                     0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 145 #endif
 146     m_mainWidget = (WXWindow) xwindow;
 147
 148     int extraFlags = 0;
 149 #if wxUSE_NANOX
 150     extraFlags |= GR_EVENT_MASK_CLOSE_REQ;
 151 #endif
 152
 153     XSelectInput( xdisplay, xwindow,
 154                   extraFlags |
 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
 171     wxAddWindowToTable( xwindow, (wxWindow*) this );
 172
 173     // Set background to None which will prevent X11 from clearing the
 174     // background completely.
 175     XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 176
 177 #if !wxUSE_NANOX
 178     if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)
 179     {
 180         if (GetParent() && GetParent()->GetMainWindow())
 181         {
 182              Window xparentwindow = (Window) GetParent()->GetMainWindow();
 183              XSetTransientForHint( xdisplay, xwindow, xparentwindow );
 184         }
 185     }
 186
 187     size_hints.flags = PSize | PPosition;
 188     size_hints.x = pos2.x;
 189     size_hints.y = pos2.y;
 190     size_hints.width = size2.x;
 191     size_hints.height = size2.y;
 192     XSetWMNormalHints( xdisplay, xwindow, &size_hints);
 193
 194     XWMHints wm_hints;
 195     wm_hints.flags = InputHint | StateHint /* | WindowGroupHint */;
 196     wm_hints.input = True;
 197     wm_hints.initial_state = NormalState;
 198     XSetWMHints( xdisplay, xwindow, &wm_hints);
 199
 200     Atom wm_protocols[2];
 201     wm_protocols[0] = XInternAtom( xdisplay, "WM_DELETE_WINDOW", False );
 202     wm_protocols[1] = XInternAtom( xdisplay, "WM_TAKE_FOCUS", False );
 203     XSetWMProtocols( xdisplay, xwindow, wm_protocols, 2);
 204
 205 #if 0 // TODO
 206     // You will need a compliant window manager for this to work
 207     // (e.g. sawfish/enlightenment/kde/icewm/windowmaker)
 208     if (style & wxSTAY_ON_TOP)
 209     {
 210         CARD32 data = 4; // or should this be 6? According to http://developer.gnome.org/doc/standards/wm/c44.html
 211         XChangeProperty (xdisplay,
 212                     xwindow,
 213                     XInternAtom (xdisplay, "_WIN_LAYER", False),
 214                     XA_CARDINAL,
 215                     32,
 216                     PropModeReplace,
 217                     (unsigned char *)&data,
 218                     1);
 219     }
 220 #endif
 221
 222 #endif
 223
 224     wxSetWMDecorations( xwindow, style);
 225
 226     SetTitle(title);
 227
 228     return TRUE;
 229 }
 230
 231 wxTopLevelWindowX11::~wxTopLevelWindowX11()
 232 {
 233     wxTopLevelWindows.DeleteObject(this);
 234
 235     // If this is the last top-level window, exit.
 236     if ( wxTheApp && (wxTopLevelWindows.Number() == 0) )
 237     {
 238         wxTheApp->SetTopWindow(NULL);
 239
 240         if (wxTheApp->GetExitOnFrameDelete())
 241         {
 242             // Signal to the app that we're going to close
 243             wxTheApp->ExitMainLoop();
 244         }
 245     }
 246 }
 247
 248 void wxTopLevelWindowX11::OnInternalIdle()
 249 {
 250     wxWindow::OnInternalIdle();
 251
 252     if (m_needResizeInIdle)
 253     {
 254         wxSizeEvent event( GetClientSize(), GetId() );
 255         event.SetEventObject( this );
 256         GetEventHandler()->ProcessEvent( event );
 257
 258         m_needResizeInIdle = FALSE;
 259     }
 260 }
 261
 262 // ----------------------------------------------------------------------------
 263 // wxTopLevelWindowX11 showing
 264 // ----------------------------------------------------------------------------
 265
 266 bool wxTopLevelWindowX11::Show(bool show)
 267 {
 268     // Nano-X has to force a size event,
 269     // else there's no initial size.
 270 #if wxUSE_NANOX
 271     if (show)
 272 #else
 273     if (show && m_needResizeInIdle)
 274 #endif
 275     {
 276         wxSizeEvent event(GetSize(), GetId());
 277         event.SetEventObject(this);
 278         GetEventHandler()->ProcessEvent(event);
 279
 280         m_needResizeInIdle = FALSE;
 281     }
 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
 295     return wxWindowX11::Show(show);
 296 }
 297
 298 // ----------------------------------------------------------------------------
 299 // wxTopLevelWindowX11 maximize/minimize
 300 // ----------------------------------------------------------------------------
 301
 302 void wxTopLevelWindowX11::Maximize(bool maximize)
 303 {
 304     // TODO
 305 }
 306
 307 bool wxTopLevelWindowX11::IsMaximized() const
 308 {
 309     // TODO
 310     return TRUE;
 311 }
 312
 313 void wxTopLevelWindowX11::Iconize(bool iconize)
 314 {
 315     if (!m_iconized && GetMainWindow())
 316     {
 317         if (XIconifyWindow(wxGlobalDisplay(),
 318             (Window) GetMainWindow(), DefaultScreen(wxGlobalDisplay())) != 0)
 319             m_iconized = TRUE;
 320     }
 321 }
 322
 323 bool wxTopLevelWindowX11::IsIconized() const
 324 {
 325     return m_iconized;
 326 }
 327
 328 void wxTopLevelWindowX11::Restore()
 329 {
 330     // This is the way to deiconify the window, according to the X FAQ
 331     if (m_iconized && GetMainWindow())
 332     {
 333         XMapWindow(wxGlobalDisplay(), (Window) GetMainWindow());
 334         m_iconized = FALSE;
 335     }
 336 }
 337
 338 // ----------------------------------------------------------------------------
 339 // wxTopLevelWindowX11 fullscreen
 340 // ----------------------------------------------------------------------------
 341
 342 bool wxTopLevelWindowX11::ShowFullScreen(bool show, long style)
 343 {
 344     if (show)
 345     {
 346         if (IsFullScreen())
 347             return FALSE;
 348
 349         m_fsIsShowing = TRUE;
 350         m_fsStyle = style;
 351
 352         // TODO
 353
 354         return TRUE;
 355     }
 356     else
 357     {
 358         if (!IsFullScreen())
 359             return FALSE;
 360
 361         m_fsIsShowing = FALSE;
 362
 363         // TODO
 364         return TRUE;
 365     }
 366 }
 367
 368 // ----------------------------------------------------------------------------
 369 // wxTopLevelWindowX11 misc
 370 // ----------------------------------------------------------------------------
 371
 372 void wxTopLevelWindowX11::SetIcon(const wxIcon& icon)
 373 {
 374     // this sets m_icon
 375     wxTopLevelWindowBase::SetIcon(icon);
 376
 377     if (icon.Ok() && GetMainWindow())
 378     {
 379 #if wxUSE_NANOX
 380 #else
 381         XWMHints *wmHints = XAllocWMHints();
 382         wmHints->icon_pixmap = (Pixmap) icon.GetPixmap();
 383
 384         wmHints->flags = IconPixmapHint;
 385
 386         if (icon.GetMask())
 387         {
 388             wmHints->flags |= IconMaskHint;
 389             wmHints->icon_mask = (Pixmap) icon.GetMask()->GetBitmap();
 390         }
 391
 392         XSetWMHints(wxGlobalDisplay(), (Window) GetMainWindow(), wmHints);
 393         XFree(wmHints);
 394 #endif
 395     }
 396 }
 397
 398 void wxTopLevelWindowX11::SetTitle(const wxString& title)
 399 {
 400     m_title = title;
 401     if (GetMainWindow())
 402     {
 403         XStoreName(wxGlobalDisplay(), (Window) GetMainWindow(),
 404             (const char*) title);
 405         XSetIconName(wxGlobalDisplay(), (Window) GetMainWindow(),
 406             (const char*) title);
 407
 408         // Use this if the platform doesn't supply the above functions.
 409 #if 0
 410         XTextProperty textProperty;
 411         textProperty.value = (unsigned char*) title;
 412         textProperty.encoding = XA_STRING;
 413         textProperty.format = 8;
 414         textProperty.nitems = 1;
 415
 416         XSetTextProperty(wxGlobalDisplay(), (Window) GetMainWindow(),
 417             & textProperty, WM_NAME);
 418 #endif
 419     }
 420 }
 421
 422 wxString wxTopLevelWindowX11::GetTitle() const
 423 {
 424     return m_title;
 425 }
 426
 427 #ifndef MWM_DECOR_BORDER
 428 /* bit definitions for MwmHints.flags */
 429 #define MWM_HINTS_FUNCTIONS (1L << 0)
 430 #define MWM_HINTS_DECORATIONS (1L << 1)
 431 #define MWM_HINTS_INPUT_MODE (1L << 2)
 432 #define MWM_HINTS_STATUS (1L << 3)
 433
 434 #define MWM_DECOR_ALL           (1L << 0)
 435 #define MWM_DECOR_BORDER        (1L << 1)
 436 #define MWM_DECOR_RESIZEH       (1L << 2)
 437 #define MWM_DECOR_TITLE         (1L << 3)
 438 #define MWM_DECOR_MENU          (1L << 4)
 439 #define MWM_DECOR_MINIMIZE      (1L << 5)
 440 #define MWM_DECOR_MAXIMIZE      (1L << 6)
 441 #endif
 442
 443 struct MwmHints {
 444     long flags;
 445     long functions;
 446     long decorations;
 447     long input_mode;
 448 };
 449
 450 #define PROP_MOTIF_WM_HINTS_ELEMENTS 5
 451
 452 // Set the window manager decorations according to the
 453 // given wxWindows style
 454 bool wxSetWMDecorations(Window w, long style)
 455 {
 456 #if wxUSE_NANOX
 457     GR_WM_PROPERTIES wmProp;
 458
 459     wmProp.flags = 0;
 460     wmProp.props = 0;
 461
 462     if (style & wxRESIZE_BORDER)
 463     {
 464         wmProp.props |= GR_WM_PROPS_APPFRAME ;
 465         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 466     }
 467
 468     if (style & wxSYSTEM_MENU)
 469     {
 470         wmProp.props |= GR_WM_PROPS_CLOSEBOX ;
 471         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 472     }
 473
 474     if ((style & wxCAPTION) ||
 475         (style & wxTINY_CAPTION_HORIZ) ||
 476         (style & wxTINY_CAPTION_VERT))
 477     {
 478         wmProp.props |= GR_WM_PROPS_CAPTION ;
 479         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 480
 481         // The default dialog style doesn't include any kind
 482         // of border, which is a bit odd. Anyway, inclusion
 483         // of a caption surely implies a border.
 484         style |= wxTHICK_FRAME;
 485     }
 486
 487     if (style & wxTHICK_FRAME)
 488     {
 489         wmProp.props |= GR_WM_PROPS_APPFRAME ;
 490         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 491     }
 492
 493     if (style & wxSIMPLE_BORDER)
 494     {
 495         wmProp.props |= GR_WM_PROPS_BORDER ;
 496         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 497     }
 498
 499     if (style & wxMINIMIZE_BOX)
 500     {
 501     }
 502
 503     if (style & wxMAXIMIZE_BOX)
 504     {
 505         wmProp.props |= GR_WM_PROPS_MAXIMIZE ;
 506         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 507     }
 508
 509     if (((style & wxBORDER) != wxBORDER) && ((style & wxTHICK_FRAME) != wxTHICK_FRAME)
 510         && ((style & wxRESIZE_BORDER) != wxRESIZE_BORDER))
 511     {
 512         wmProp.props |= GR_WM_PROPS_NODECORATE ;
 513         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 514     }
 515
 516     GrSetWMProperties(w, & wmProp);
 517
 518 #else
 519     if (!wxMWMIsRunning(w))
 520         return FALSE;
 521
 522     Atom mwm_wm_hints = XInternAtom(wxGlobalDisplay(),"_MOTIF_WM_HINTS", False);
 523     MwmHints hints;
 524     hints.flags = 0;
 525     hints.decorations = 0;
 526
 527     if (style & wxRESIZE_BORDER)
 528     {
 529         // wxLogDebug("MWM_DECOR_RESIZEH");
 530         hints.flags |= MWM_HINTS_DECORATIONS;
 531         hints.decorations |= MWM_DECOR_RESIZEH;
 532     }
 533
 534     if (style & wxSYSTEM_MENU)
 535     {
 536         // wxLogDebug("MWM_DECOR_MENU");
 537         hints.flags |= MWM_HINTS_DECORATIONS;
 538         hints.decorations |= MWM_DECOR_MENU;
 539     }
 540
 541     if ((style & wxCAPTION) ||
 542         (style & wxTINY_CAPTION_HORIZ) ||
 543         (style & wxTINY_CAPTION_VERT))
 544     {
 545         // wxLogDebug("MWM_DECOR_TITLE");
 546         hints.flags |= MWM_HINTS_DECORATIONS;
 547         hints.decorations |= MWM_DECOR_TITLE;
 548     }
 549
 550     if ((style & wxTHICK_FRAME) || (style & wxCAPTION))
 551     {
 552         // wxLogDebug("MWM_DECOR_BORDER");
 553         hints.flags |= MWM_HINTS_DECORATIONS;
 554         hints.decorations |= MWM_DECOR_BORDER;
 555     }
 556
 557     if (style & wxMINIMIZE_BOX)
 558     {
 559         // wxLogDebug("MWM_DECOR_MINIMIZE");
 560         hints.flags |= MWM_HINTS_DECORATIONS;
 561         hints.decorations |= MWM_DECOR_MINIMIZE;
 562     }
 563
 564     if (style & wxMAXIMIZE_BOX)
 565     {
 566         // wxLogDebug("MWM_DECOR_MAXIMIZE");
 567         hints.flags |= MWM_HINTS_DECORATIONS;
 568         hints.decorations |= MWM_DECOR_MAXIMIZE;
 569     }
 570
 571     XChangeProperty(wxGlobalDisplay(),
 572                     w,
 573                     mwm_wm_hints, mwm_wm_hints,
 574                     32, PropModeReplace,
 575                     (unsigned char *) &hints, PROP_MOTIF_WM_HINTS_ELEMENTS);
 576
 577 #endif
 578     return TRUE;
 579 }
 580
 581 bool wxMWMIsRunning(Window w)
 582 {
 583 #if wxUSE_NANOX
 584     return FALSE;
 585 #else
 586     Display *dpy = (Display*)wxGetDisplay();
 587     Atom motifWmInfo = XInternAtom(dpy, "_MOTIF_WM_INFO", False);
 588
 589     unsigned long length, bytesafter;
 590     unsigned char value[20];
 591     unsigned char *ptr = &value[0];
 592     int ret, format;
 593     Atom type;
 594
 595     type = format = length = 0;
 596     value[0] = 0;
 597
 598     ret = XGetWindowProperty(wxGlobalDisplay(), w, motifWmInfo,
 599             0L, 2, False, motifWmInfo,
 600             &type, &format, &length, &bytesafter, &ptr);
 601
 602     return (ret == Success);
 603 #endif
 604 }
 605
 606 // For implementation purposes - sometimes decorations make the client area
 607 // smaller
 608 wxPoint wxTopLevelWindowX11::GetClientAreaOrigin() const
 609 {
 610     // wxFrame::GetClientAreaOrigin
 611     // does the required calculation already.
 612     return wxPoint(0, 0);
 613 }
 614
 615 void wxTopLevelWindowX11::DoGetClientSize( int *width, int *height ) const
 616 {
 617     XSync(wxGlobalDisplay(), False);
 618     wxWindowX11::DoGetClientSize(width, height);
 619 }
 620
 621 void wxTopLevelWindowX11::DoSetClientSize(int width, int height)
 622 {
 623     wxWindowX11::DoSetClientSize(width, height);
 624
 625 #if !wxUSE_NANOX
 626     // Set the top-level window size
 627     XSizeHints size_hints;
 628     wxSize oldSize = GetSize();
 629     wxSize oldClientSize = GetClientSize();
 630
 631     size_hints.flags = PSize;
 632     size_hints.width = width + (oldSize.x - oldClientSize.x);
 633     size_hints.height = height + (oldSize.y - oldClientSize.y);
 634     XSetWMNormalHints( (Display*) GetXDisplay(), (Window) GetMainWindow(),
 635                        &size_hints);
 636
 637     // This seems to be necessary or resizes don't get performed
 638     XSync(wxGlobalDisplay(), False);
 639     XSync(wxGlobalDisplay(), False);
 640
 641 #if 0
 642     wxLogDebug("DoSetClientSize: Tried to set size to %d, %d", (int) size_hints.width, (int) size_hints.height);
 643
 644     XSync(wxGlobalDisplay(), False);
 645     wxSize newSize = GetSize();
 646     wxLogDebug("New size is %d, %d", (int) newSize.x, (int) newSize.y);
 647 #endif
 648 #endif
 649 }
 650
 651 void wxTopLevelWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 652 {
 653 #if 0
 654     // wxLogDebug( "Setting pos: %d, %d", x, y );
 655     wxWindowX11::DoSetSize(x, y, width, height, sizeFlags);
 656 #endif
 657     XSync(wxGlobalDisplay(), False);
 658     Window window = (Window) m_mainWidget;
 659     if (!window)
 660         return ;
 661
 662     Display *display = (Display*) GetXDisplay();
 663     Window root = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 664     Window parent_window = window,
 665         next_parent   = window;
 666
 667     // search for the parent that is child of ROOT, because the WM may
 668     // reparent twice and notify only the next parent (like FVWM)
 669     while (next_parent != root) {
 670         Window *theChildren;
 671 #if wxUSE_NANOX
 672         GR_COUNT n;
 673 #else
 674         unsigned int n;
 675 #endif
 676         parent_window = next_parent;
 677         XQueryTree(display, parent_window, &root,
 678             &next_parent, &theChildren, &n);
 679         XFree(theChildren); // not needed
 680     }
 681
 682     XWindowChanges windowChanges;
 683     windowChanges.x = x;
 684     windowChanges.y = y;
 685     windowChanges.width = width;
 686     windowChanges.height = height;
 687     windowChanges.stack_mode = 0;
 688     int valueMask = CWX | CWY | CWWidth | CWHeight;
 689
 690     if (x != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 691     {
 692         valueMask |= CWX;
 693     }
 694     if (y != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 695     {
 696         valueMask |= CWY;
 697     }
 698     if (width != -1)
 699     {
 700         windowChanges.width = wxMax(1, width);
 701         valueMask |= CWWidth;
 702     }
 703     if (height != -1)
 704     {
 705         windowChanges.height = wxMax(1, height);
 706         valueMask |= CWHeight;
 707     }
 708
 709     XConfigureWindow( display, parent_window, valueMask, &windowChanges );
 710
 711 #if !wxUSE_NANOX
 712     XSizeHints size_hints;
 713     size_hints.flags = 0;
 714     if (x > -1 && y > -1)
 715         size_hints.flags |= PPosition;
 716     if (width > -1 && height > -1)
 717         size_hints.flags |= PSize;
 718     size_hints.width = width;
 719     size_hints.height = height;
 720     size_hints.x = x;
 721     size_hints.y = y;
 722     XSetWMNormalHints( (Display*) GetXDisplay(), (Window) GetMainWindow(),
 723                        &size_hints);
 724
 725     // This seems to be necessary or resizes don't get performed.
 726     // Take them out (or even just one of them), and the About
 727     // box of the minimal sample probably won't be resized right.
 728     XSync(wxGlobalDisplay(), False);
 729     XSync(wxGlobalDisplay(), False);
 730 #endif
 731 }
 732
 733 void wxTopLevelWindowX11::DoGetPosition(int *x, int *y) const
 734 {
 735     XSync(wxGlobalDisplay(), False);
 736     Window window = (Window) m_mainWidget;
 737     if (!window)
 738         return ;
 739
 740     Display *display = (Display*) GetXDisplay();
 741     Window root = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 742     Window parent_window = window,
 743         next_parent   = window;
 744
 745     // search for the parent that is child of ROOT, because the WM may
 746     // reparent twice and notify only the next parent (like FVWM)
 747     while (next_parent != root) {
 748         Window *theChildren;
 749 #if wxUSE_NANOX
 750         GR_COUNT n;
 751 #else
 752         unsigned int n;
 753 #endif
 754         parent_window = next_parent;
 755         XQueryTree(display, parent_window, &root,
 756             &next_parent, &theChildren, &n);
 757         XFree(theChildren); // not needed
 758     }
 759 #if 0
 760     int xx, yy; unsigned int dummy;
 761     XGetGeometry(display, parent_window, &root,
 762                  &xx, &yy, &dummy, &dummy, &dummy, &dummy);
 763     if (x) *x = xx;
 764     if (y) *y = yy;
 765 #else
 766     XWindowAttributes attr;
 767     Status status = XGetWindowAttributes((Display*) GetXDisplay(), parent_window, & attr);
 768     if (status)
 769     {
 770         if (x) *x = attr.x;
 771         if (y) *y = attr.y;
 772     }
 773     else
 774     {
 775         if (x) *x = 0;
 776         if (y) *y = 0;
 777     }
 778 #endif
 779 }