src/x11/toplevel.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/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 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // For compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #include "wx/toplevel.h"
  28
  29 #ifndef WX_PRECOMP
  30     #include "wx/app.h"
  31     #include "wx/string.h"
  32     #include "wx/log.h"
  33     #include "wx/intl.h"
  34     #include "wx/frame.h"
  35     #include "wx/menu.h"
  36     #include "wx/statusbr.h"
  37     #include "wx/settings.h"
  38 #endif //WX_PRECOMP
  39
  40 #include "wx/x11/private.h"
  41 #include "X11/Xutil.h"
  42
  43 #include "wx/unix/utilsx11.h"
  44
  45 bool wxMWMIsRunning(Window w);
  46
  47 // ----------------------------------------------------------------------------
  48 // wxTopLevelWindowX11 creation
  49 // ----------------------------------------------------------------------------
  50
  51 void wxTopLevelWindowX11::Init()
  52 {
  53     m_iconized =
  54     m_maximizeOnShow = false;
  55
  56     // unlike (almost?) all other windows, frames are created hidden
  57     m_isShown = false;
  58
  59     // Data to save/restore when calling ShowFullScreen
  60     m_fsStyle = 0;
  61     m_fsIsMaximized = false;
  62     m_fsIsShowing = false;
  63
  64     m_needResizeInIdle = false;
  65
  66     m_x = wxDefaultCoord;
  67     m_y = wxDefaultCoord;
  68     m_width = 20;
  69     m_height = 20;
  70 }
  71
  72 bool wxTopLevelWindowX11::Create(wxWindow *parent,
  73                                  wxWindowID id,
  74                                  const wxString& title,
  75                                  const wxPoint& pos,
  76                                  const wxSize& size,
  77                                  long style,
  78                                  const wxString& name)
  79 {
  80     // init our fields
  81     Init();
  82
  83     m_windowStyle = style;
  84     m_parent = parent;
  85
  86     SetName(name);
  87
  88     m_windowId = id == wxID_ANY ? NewControlId() : id;
  89
  90     if (parent)
  91         parent->AddChild(this);
  92
  93     wxTopLevelWindows.Append(this);
  94
  95     Display *xdisplay = wxGlobalDisplay();
  96     int xscreen = DefaultScreen( xdisplay );
  97     Visual *xvisual = DefaultVisual( xdisplay, xscreen );
  98     Window xparent = RootWindow( xdisplay, xscreen );
  99     Colormap cm = DefaultColormap( xdisplay, xscreen );
 100
 101     if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)
 102         m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
 103     else
 104         m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE);
 105     m_backgroundColour.CalcPixel( (WXColormap) cm );
 106     m_hasBgCol = true;
 107
 108     m_x = pos.x;
 109     if (m_x < -1)
 110         m_x = 10;
 111
 112     m_y = pos.y;
 113     if (m_y < 0)
 114         m_y = 10;
 115
 116     m_width = size.x;
 117     if (m_width < 0)
 118         m_width = 500;
 119
 120     m_height = size.y;
 121     if (m_height < 0)
 122         m_height = 380;
 123
 124 #if !wxUSE_NANOX
 125     XSetWindowAttributes xattributes;
 126
 127     long xattributes_mask =
 128         CWBorderPixel | CWBackPixel;
 129
 130     xattributes.background_pixel = m_backgroundColour.GetPixel();
 131     xattributes.border_pixel = BlackPixel( xdisplay, xscreen );
 132
 133     if (HasFlag( wxNO_BORDER ))
 134     {
 135         xattributes_mask |= CWOverrideRedirect;
 136         xattributes.override_redirect = True;
 137     }
 138
 139     if (!HasFlag( wxFULL_REPAINT_ON_RESIZE ))
 140     {
 141         xattributes_mask |= CWBitGravity;
 142         xattributes.bit_gravity = NorthWestGravity;
 143     }
 144
 145     xattributes_mask |= CWEventMask;
 146     xattributes.event_mask =
 147         ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 148         ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 149         KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 150         PropertyChangeMask;
 151
 152     Window xwindow = XCreateWindow( xdisplay, xparent, m_x, m_y, m_width, m_height,
 153                                     0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 154 #else
 155     long backColor, foreColor;
 156     backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 157     foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 158
 159     Window xwindow = XCreateWindowWithColor( xdisplay, xparent, m_x, m_y, m_width, m_height,
 160                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 161 #endif
 162
 163     m_mainWindow = (WXWindow) xwindow;
 164     m_clientWindow = (WXWindow) xwindow;
 165     wxAddWindowToTable( xwindow, (wxWindow*) this );
 166
 167 #if wxUSE_NANOX
 168     XSelectInput( xdisplay, xwindow,
 169                   GR_EVENT_MASK_CLOSE_REQ |
 170                   ExposureMask |
 171                   KeyPressMask |
 172                   KeyReleaseMask |
 173                   ButtonPressMask |
 174                   ButtonReleaseMask |
 175                   ButtonMotionMask |
 176                   EnterWindowMask |
 177                   LeaveWindowMask |
 178                   PointerMotionMask |
 179                   KeymapStateMask |
 180                   FocusChangeMask |
 181                   ColormapChangeMask |
 182                   StructureNotifyMask |
 183                   PropertyChangeMask
 184                   );
 185 #endif
 186
 187     // Set background to None which will prevent X11 from clearing the
 188     // background completely.
 189     XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 190
 191 #if !wxUSE_NANOX
 192     if (HasFlag( wxSTAY_ON_TOP ))
 193     {
 194         Window xroot = RootWindow( xdisplay, xscreen );
 195         XSetTransientForHint( xdisplay, xwindow, xroot );
 196     }
 197     else
 198     {
 199        if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)
 200        {
 201             if (GetParent() && GetParent()->X11GetMainWindow())
 202             {
 203                 Window xparentwindow = (Window) GetParent()->X11GetMainWindow();
 204                 XSetTransientForHint( xdisplay, xwindow, xparentwindow );
 205             }
 206         }
 207     }
 208
 209     XSizeHints size_hints;
 210     size_hints.flags = PSize | PPosition | PWinGravity;
 211     size_hints.x = m_x;
 212     size_hints.y = m_y;
 213     size_hints.width = m_width;
 214     size_hints.height = m_height;
 215     size_hints.win_gravity = NorthWestGravity;
 216     XSetWMNormalHints( xdisplay, xwindow, &size_hints);
 217
 218     XWMHints wm_hints;
 219     wm_hints.flags = InputHint | StateHint;
 220     if (GetParent())
 221     {
 222         wm_hints.flags |= WindowGroupHint;
 223         wm_hints.window_group = (Window) GetParent()->X11GetMainWindow();
 224     }
 225     wm_hints.input = True;
 226     wm_hints.initial_state = NormalState;
 227     XSetWMHints( xdisplay, xwindow, &wm_hints);
 228
 229     Atom wm_protocols[2];
 230     wm_protocols[0] = XInternAtom( xdisplay, "WM_DELETE_WINDOW", False );
 231     wm_protocols[1] = XInternAtom( xdisplay, "WM_TAKE_FOCUS", False );
 232     XSetWMProtocols( xdisplay, xwindow, wm_protocols, 2);
 233
 234 #endif
 235
 236     wxSetWMDecorations( xwindow, style);
 237
 238     SetTitle(title);
 239
 240     return true;
 241 }
 242
 243 wxTopLevelWindowX11::~wxTopLevelWindowX11()
 244 {
 245     wxTopLevelWindows.DeleteObject(this);
 246
 247     // If this is the last top-level window, exit.
 248     if ( wxTheApp && (wxTopLevelWindows.GetCount() == 0) )
 249     {
 250         wxTheApp->SetTopWindow(NULL);
 251
 252         if (wxTheApp->GetExitOnFrameDelete())
 253         {
 254             // Signal to the app that we're going to close
 255             wxTheApp->ExitMainLoop();
 256         }
 257     }
 258 }
 259
 260 void wxTopLevelWindowX11::OnInternalIdle()
 261 {
 262     wxWindow::OnInternalIdle();
 263
 264     // Do this only after the last idle event so that
 265     // all windows have been updated before a new
 266     // round of size events is sent
 267     if (m_needResizeInIdle && !wxTheApp->Pending())
 268     {
 269         wxSizeEvent event( GetClientSize(), GetId() );
 270         event.SetEventObject( this );
 271         HandleWindowEvent( event );
 272
 273         m_needResizeInIdle = false;
 274     }
 275 }
 276
 277 // ----------------------------------------------------------------------------
 278 // wxTopLevelWindowX11 showing
 279 // ----------------------------------------------------------------------------
 280
 281 bool wxTopLevelWindowX11::Show(bool show)
 282 {
 283     if (show)
 284     {
 285         wxSizeEvent event(GetSize(), GetId());
 286
 287         event.SetEventObject(this);
 288         HandleWindowEvent(event);
 289
 290         m_needResizeInIdle = false;
 291     }
 292
 293     bool ret = wxWindowX11::Show(show);
 294
 295     return ret;
 296 }
 297
 298 // ----------------------------------------------------------------------------
 299 // wxTopLevelWindowX11 maximize/minimize
 300 // ----------------------------------------------------------------------------
 301
 302 void wxTopLevelWindowX11::Maximize(bool WXUNUSED(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 ( !iconize )
 316     {
 317         Restore();
 318         return;
 319     }
 320
 321     if (!m_iconized && X11GetMainWindow())
 322     {
 323         if (XIconifyWindow(wxGlobalDisplay(),
 324             (Window) X11GetMainWindow(), DefaultScreen(wxGlobalDisplay())) != 0)
 325             m_iconized = true;
 326     }
 327 }
 328
 329 bool wxTopLevelWindowX11::IsIconized() const
 330 {
 331     return m_iconized;
 332 }
 333
 334 void wxTopLevelWindowX11::Restore()
 335 {
 336     // This is the way to deiconify the window, according to the X FAQ
 337     if (m_iconized && X11GetMainWindow())
 338     {
 339         XMapWindow(wxGlobalDisplay(), (Window) X11GetMainWindow());
 340         m_iconized = false;
 341     }
 342 }
 343
 344 // ----------------------------------------------------------------------------
 345 // wxTopLevelWindowX11 fullscreen
 346 // ----------------------------------------------------------------------------
 347
 348 bool wxTopLevelWindowX11::ShowFullScreen(bool show, long style)
 349 {
 350     if (show)
 351     {
 352         if (IsFullScreen())
 353             return false;
 354
 355         m_fsIsShowing = true;
 356         m_fsStyle = style;
 357
 358         // TODO
 359
 360         return true;
 361     }
 362     else
 363     {
 364         if (!IsFullScreen())
 365             return false;
 366
 367         m_fsIsShowing = false;
 368
 369         // TODO
 370         return true;
 371     }
 372 }
 373
 374 // ----------------------------------------------------------------------------
 375 // wxTopLevelWindowX11 misc
 376 // ----------------------------------------------------------------------------
 377
 378 void wxTopLevelWindowX11::DoSetIcon(const wxIcon& icon)
 379 {
 380     if (icon.IsOk() && X11GetMainWindow())
 381     {
 382 #if !wxUSE_NANOX
 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) X11GetMainWindow(), wmHints);
 395         XFree(wmHints);
 396 #endif
 397     }
 398 }
 399
 400 void wxTopLevelWindowX11::SetIcons(const wxIconBundle& icons )
 401 {
 402     // this sets m_icon
 403     wxTopLevelWindowBase::SetIcons( icons );
 404
 405     DoSetIcon( icons.GetIcon( -1 ) );
 406     wxSetIconsX11( wxGlobalDisplay(), X11GetMainWindow(), icons );
 407 }
 408
 409 bool wxTopLevelWindowX11::SetShape(const wxRegion& region)
 410 {
 411     return wxDoSetShape( wxGlobalDisplay(),
 412                          (Window)X11GetMainWindow(),
 413                          region );
 414 }
 415
 416 void wxTopLevelWindowX11::SetTitle(const wxString& title)
 417 {
 418     m_title = title;
 419
 420     if (X11GetMainWindow())
 421     {
 422 #if wxUSE_UNICODE
 423         //  I wonder of e.g. Metacity takes UTF-8 here
 424         XStoreName(wxGlobalDisplay(), (Window) X11GetMainWindow(),
 425             (const char*) title.ToAscii() );
 426         XSetIconName(wxGlobalDisplay(), (Window) X11GetMainWindow(),
 427             (const char*) title.ToAscii() );
 428 #else
 429         XStoreName(wxGlobalDisplay(), (Window) X11GetMainWindow(),
 430             (const char*) title);
 431         XSetIconName(wxGlobalDisplay(), (Window) X11GetMainWindow(),
 432             (const char*) title);
 433 #endif
 434     }
 435 }
 436
 437 wxString wxTopLevelWindowX11::GetTitle() const
 438 {
 439     return m_title;
 440 }
 441
 442 // For implementation purposes - sometimes decorations make the client area
 443 // smaller
 444 wxPoint wxTopLevelWindowX11::GetClientAreaOrigin() const
 445 {
 446     // wxFrame::GetClientAreaOrigin
 447     // does the required calculation already.
 448     return wxPoint(0, 0);
 449 }
 450
 451 void wxTopLevelWindowX11::DoGetClientSize( int *width, int *height ) const
 452 {
 453     if (width)
 454        *width = m_width;
 455     if (height)
 456        *height = m_height;
 457 }
 458
 459 void wxTopLevelWindowX11::DoGetSize( int *width, int *height ) const
 460 {
 461     // TODO add non-client size
 462
 463     if (width)
 464        *width = m_width;
 465     if (height)
 466        *height = m_height;
 467 }
 468
 469 void wxTopLevelWindowX11::DoSetClientSize(int width, int height)
 470 {
 471     int old_width = m_width;
 472     int old_height = m_height;
 473
 474     m_width = width;
 475     m_height = height;
 476
 477     if (m_width == old_width && m_height == old_height)
 478         return;
 479
 480     // wxLogDebug("DoSetClientSize: %s (%ld) %dx%d", GetClassInfo()->GetClassName(), GetId(), width, height);
 481
 482 #if !wxUSE_NANOX
 483     XSizeHints size_hints;
 484     size_hints.flags = PSize;
 485     size_hints.width = width;
 486     size_hints.height = height;
 487     XSetWMNormalHints( wxGlobalDisplay(), (Window) X11GetMainWindow(), &size_hints );
 488 #endif
 489
 490     wxWindowX11::DoSetClientSize(width, height);
 491 }
 492
 493 void wxTopLevelWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 494 {
 495     int old_x = m_x;
 496     int old_y = m_y;
 497     int old_width = m_width;
 498     int old_height = m_height;
 499
 500     if (x != wxDefaultCoord || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 501         m_x = x;
 502
 503     if (y != wxDefaultCoord || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 504         m_y = y;
 505
 506     if (width != wxDefaultCoord || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 507         m_width = width;
 508
 509     if (height != wxDefaultCoord || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 510         m_height = height;
 511
 512     if (m_x == old_x && m_y == old_y && m_width == old_width && m_height == old_height)
 513         return;
 514
 515     // wxLogDebug("DoSetSize: %s (%ld) %d, %d %dx%d", GetClassInfo()->GetClassName(), GetId(), x, y, width, height);
 516
 517 #if !wxUSE_NANOX
 518     XSizeHints size_hints;
 519     size_hints.flags = 0;
 520     size_hints.flags |= PPosition;
 521     size_hints.flags |= PSize;
 522     size_hints.x = m_x;
 523     size_hints.y = m_y;
 524     size_hints.width = m_width;
 525     size_hints.height = m_height;
 526     XSetWMNormalHints( wxGlobalDisplay(), (Window) X11GetMainWindow(), &size_hints);
 527 #endif
 528
 529     wxWindowX11::DoSetSize(x, y, width, height, sizeFlags);
 530
 531 #if 0
 532     Display *display = wxGlobalDisplay();
 533     Window root = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 534     Window parent_window = window,
 535         next_parent   = window;
 536
 537     // search for the parent that is child of ROOT, because the WM may
 538     // reparent twice and notify only the next parent (like FVWM)
 539     while (next_parent != root) {
 540         Window *theChildren;
 541 #if wxUSE_NANOX
 542         GR_COUNT n;
 543 #else
 544         unsigned int n;
 545 #endif
 546         parent_window = next_parent;
 547         XQueryTree(display, parent_window, &root,
 548             &next_parent, &theChildren, &n);
 549         XFree(theChildren); // not needed
 550     }
 551
 552     XWindowChanges windowChanges;
 553     windowChanges.x = x;
 554     windowChanges.y = y;
 555     windowChanges.width = width;
 556     windowChanges.height = height;
 557     windowChanges.stack_mode = 0;
 558     int valueMask = CWX | CWY | CWWidth | CWHeight;
 559
 560     if (x != wxDefaultCoord || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 561     {
 562         valueMask |= CWX;
 563     }
 564     if (y != wxDefaultCoord || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 565     {
 566         valueMask |= CWY;
 567     }
 568     if (width != wxDefaultCoord)
 569     {
 570         windowChanges.width = wxMax(1, width);
 571         valueMask |= CWWidth;
 572     }
 573     if (height != wxDefaultCoord)
 574     {
 575         windowChanges.height = wxMax(1, height);
 576         valueMask |= CWHeight;
 577     }
 578
 579     XConfigureWindow( display, parent_window, valueMask, &windowChanges );
 580 #endif
 581 }
 582
 583 void wxTopLevelWindowX11::DoGetPosition(int *x, int *y) const
 584 {
 585     XSync(wxGlobalDisplay(), False);
 586     Window window = (Window) m_mainWindow;
 587     if (!window)
 588         return ;
 589
 590     Display *display = wxGlobalDisplay();
 591     Window root = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 592     Window parent_window = window,
 593         next_parent   = window;
 594
 595     // search for the parent that is child of ROOT, because the WM may
 596     // reparent twice and notify only the next parent (like FVWM)
 597     while (next_parent != root) {
 598         Window *theChildren;
 599 #if wxUSE_NANOX
 600         GR_COUNT n;
 601 #else
 602         unsigned int n;
 603 #endif
 604         parent_window = next_parent;
 605         XQueryTree(display, parent_window, &root,
 606             &next_parent, &theChildren, &n);
 607         XFree(theChildren); // not needed
 608     }
 609 #if 0
 610     int xx, yy; unsigned int dummy;
 611     XGetGeometry(display, parent_window, &root,
 612                  &xx, &yy, &dummy, &dummy, &dummy, &dummy);
 613     if (x) *x = xx;
 614     if (y) *y = yy;
 615 #else
 616     XWindowAttributes attr;
 617     Status status = XGetWindowAttributes( wxGlobalDisplay(), parent_window, & attr);
 618     if (status)
 619     {
 620         if (x) *x = attr.x;
 621         if (y) *y = attr.y;
 622     }
 623     else
 624     {
 625         if (x) *x = 0;
 626         if (y) *y = 0;
 627     }
 628 #endif
 629 }
 630
 631
 632 #ifndef MWM_DECOR_BORDER
 633
 634 #define MWM_HINTS_FUNCTIONS     (1L << 0)
 635 #define MWM_HINTS_DECORATIONS   (1L << 1)
 636 #define MWM_HINTS_INPUT_MODE    (1L << 2)
 637 #define MWM_HINTS_STATUS        (1L << 3)
 638
 639 #define MWM_DECOR_ALL           (1L << 0)
 640 #define MWM_DECOR_BORDER        (1L << 1)
 641 #define MWM_DECOR_RESIZEH       (1L << 2)
 642 #define MWM_DECOR_TITLE         (1L << 3)
 643 #define MWM_DECOR_MENU          (1L << 4)
 644 #define MWM_DECOR_MINIMIZE      (1L << 5)
 645 #define MWM_DECOR_MAXIMIZE      (1L << 6)
 646
 647 #define MWM_FUNC_ALL            (1L << 0)
 648 #define MWM_FUNC_RESIZE         (1L << 1)
 649 #define MWM_FUNC_MOVE           (1L << 2)
 650 #define MWM_FUNC_MINIMIZE       (1L << 3)
 651 #define MWM_FUNC_MAXIMIZE       (1L << 4)
 652 #define MWM_FUNC_CLOSE          (1L << 5)
 653
 654 #define MWM_INPUT_MODELESS 0
 655 #define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1
 656 #define MWM_INPUT_SYSTEM_MODAL 2
 657 #define MWM_INPUT_FULL_APPLICATION_MODAL 3
 658 #define MWM_INPUT_APPLICATION_MODAL MWM_INPUT_PRIMARY_APPLICATION_MODAL
 659
 660 #define MWM_TEAROFF_WINDOW (1L<<0)
 661
 662 #endif
 663
 664 struct MwmHints {
 665     long flags;
 666     long functions;
 667     long decorations;
 668     long input_mode;
 669 };
 670
 671 #define PROP_MOTIF_WM_HINTS_ELEMENTS 5
 672
 673 // Set the window manager decorations according to the
 674 // given wxWidgets style
 675 bool wxSetWMDecorations(Window w, long style)
 676 {
 677 #if wxUSE_NANOX
 678     GR_WM_PROPERTIES wmProp;
 679
 680     wmProp.flags = 0;
 681     wmProp.props = 0;
 682
 683     if (style & wxRESIZE_BORDER)
 684     {
 685         wmProp.props |= GR_WM_PROPS_APPFRAME ;
 686         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 687     }
 688
 689     if (style & wxCLOSE_BOX)
 690     {
 691         wmProp.props |= GR_WM_PROPS_CLOSEBOX ;
 692         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 693     }
 694
 695     if ((style & wxCAPTION) ||
 696         (style & wxTINY_CAPTION))
 697     {
 698         wmProp.props |= GR_WM_PROPS_CAPTION ;
 699         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 700
 701         // The default dialog style doesn't include any kind
 702         // of border, which is a bit odd. Anyway, inclusion
 703         // of a caption surely implies a border.
 704         style |= wxRESIZE_BORDER;
 705     }
 706
 707     if (style & wxRESIZE_BORDER)
 708     {
 709         wmProp.props |= GR_WM_PROPS_APPFRAME ;
 710         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 711     }
 712
 713     if (style & wxSIMPLE_BORDER)
 714     {
 715         wmProp.props |= GR_WM_PROPS_BORDER ;
 716         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 717     }
 718
 719     if (style & wxMINIMIZE_BOX)
 720     {
 721     }
 722
 723     if (style & wxMAXIMIZE_BOX)
 724     {
 725         wmProp.props |= GR_WM_PROPS_MAXIMIZE ;
 726         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 727     }
 728
 729     if (((style & wxBORDER) != wxBORDER) && ((style & wxRESIZE_BORDER) != wxRESIZE_BORDER)
 730         && ((style & wxRESIZE_BORDER) != wxRESIZE_BORDER))
 731     {
 732         wmProp.props |= GR_WM_PROPS_NODECORATE ;
 733         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 734     }
 735
 736     GrSetWMProperties(w, & wmProp);
 737
 738 #else
 739
 740     Atom mwm_wm_hints = XInternAtom(wxGlobalDisplay(),"_MOTIF_WM_HINTS", False);
 741     if (mwm_wm_hints == 0)
 742        return false;
 743
 744     MwmHints hints;
 745     hints.flags = MWM_HINTS_DECORATIONS | MWM_HINTS_FUNCTIONS;
 746     hints.decorations = 0;
 747     hints.functions = 0;
 748
 749     if ((style & wxSIMPLE_BORDER) || (style & wxNO_BORDER))
 750     {
 751         // leave zeros
 752     }
 753     else
 754     {
 755         hints.decorations = MWM_DECOR_BORDER;
 756         hints.functions = MWM_FUNC_MOVE;
 757
 758         if ((style & wxCAPTION) != 0)
 759             hints.decorations |= MWM_DECOR_TITLE;
 760
 761         if ((style & wxSYSTEM_MENU) != 0)
 762             hints.decorations |= MWM_DECOR_MENU;
 763
 764         if ((style & wxCLOSE_BOX) != 0)
 765             hints.functions |= MWM_FUNC_CLOSE;
 766
 767         if ((style & wxMINIMIZE_BOX) != 0)
 768         {
 769             hints.functions |= MWM_FUNC_MINIMIZE;
 770             hints.decorations |= MWM_DECOR_MINIMIZE;
 771         }
 772
 773         if ((style & wxMAXIMIZE_BOX) != 0)
 774         {
 775             hints.functions |= MWM_FUNC_MAXIMIZE;
 776             hints.decorations |= MWM_DECOR_MAXIMIZE;
 777         }
 778
 779         if ((style & wxRESIZE_BORDER) != 0)
 780         {
 781             hints.functions |= MWM_FUNC_RESIZE;
 782             hints.decorations |= MWM_DECOR_RESIZEH;
 783         }
 784     }
 785
 786     XChangeProperty(wxGlobalDisplay(),
 787                     w,
 788                     mwm_wm_hints, mwm_wm_hints,
 789                     32, PropModeReplace,
 790                     (unsigned char *) &hints, PROP_MOTIF_WM_HINTS_ELEMENTS);
 791
 792 #endif
 793     return true;
 794 }