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 // License:     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()->GetMainWindow())
 202             {
 203                 Window xparentwindow = (Window) GetParent()->GetMainWindow();
 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()->GetMainWindow();
 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         GetEventHandler()->ProcessEvent( 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         GetEventHandler()->ProcessEvent(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 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::DoSetIcon(const wxIcon& icon)
 373 {
 374     if (icon.Ok() && GetMainWindow())
 375     {
 376 #if wxUSE_NANOX
 377 #else
 378         XWMHints *wmHints = XAllocWMHints();
 379         wmHints->icon_pixmap = (Pixmap) icon.GetPixmap();
 380
 381         wmHints->flags = IconPixmapHint;
 382
 383         if (icon.GetMask())
 384         {
 385             wmHints->flags |= IconMaskHint;
 386             wmHints->icon_mask = (Pixmap) icon.GetMask()->GetBitmap();
 387         }
 388
 389         XSetWMHints(wxGlobalDisplay(), (Window) GetMainWindow(), wmHints);
 390         XFree(wmHints);
 391 #endif
 392     }
 393 }
 394
 395 void wxTopLevelWindowX11::SetIcons(const wxIconBundle& icons )
 396 {
 397     // this sets m_icon
 398     wxTopLevelWindowBase::SetIcons( icons );
 399
 400     DoSetIcon( icons.GetIcon( -1 ) );
 401     wxSetIconsX11( wxGlobalDisplay(), GetMainWindow(), icons );
 402 }
 403
 404 bool wxTopLevelWindowX11::SetShape(const wxRegion& region)
 405 {
 406     return wxDoSetShape( wxGlobalDisplay(),
 407                          (Window)GetMainWindow(),
 408                          region );
 409 }
 410
 411 void wxTopLevelWindowX11::SetTitle(const wxString& title)
 412 {
 413     m_title = title;
 414
 415     if (GetMainWindow())
 416     {
 417 #if wxUSE_UNICODE
 418         //  I wonder of e.g. Metacity takes UTF-8 here
 419         XStoreName(wxGlobalDisplay(), (Window) GetMainWindow(),
 420             (const char*) title.ToAscii() );
 421         XSetIconName(wxGlobalDisplay(), (Window) GetMainWindow(),
 422             (const char*) title.ToAscii() );
 423 #else
 424         XStoreName(wxGlobalDisplay(), (Window) GetMainWindow(),
 425             (const char*) title);
 426         XSetIconName(wxGlobalDisplay(), (Window) GetMainWindow(),
 427             (const char*) title);
 428 #endif
 429     }
 430 }
 431
 432 wxString wxTopLevelWindowX11::GetTitle() const
 433 {
 434     return m_title;
 435 }
 436
 437 // For implementation purposes - sometimes decorations make the client area
 438 // smaller
 439 wxPoint wxTopLevelWindowX11::GetClientAreaOrigin() const
 440 {
 441     // wxFrame::GetClientAreaOrigin
 442     // does the required calculation already.
 443     return wxPoint(0, 0);
 444 }
 445
 446 void wxTopLevelWindowX11::DoGetClientSize( int *width, int *height ) const
 447 {
 448     if (width)
 449        *width = m_width;
 450     if (height)
 451        *height = m_height;
 452 }
 453
 454 void wxTopLevelWindowX11::DoGetSize( int *width, int *height ) const
 455 {
 456     // TODO add non-client size
 457
 458     if (width)
 459        *width = m_width;
 460     if (height)
 461        *height = m_height;
 462 }
 463
 464 void wxTopLevelWindowX11::DoSetClientSize(int width, int height)
 465 {
 466     int old_width = m_width;
 467     int old_height = m_height;
 468
 469     m_width = width;
 470     m_height = height;
 471
 472     if (m_width == old_width && m_height == old_height)
 473         return;
 474
 475     // wxLogDebug("DoSetClientSize: %s (%ld) %dx%d", GetClassInfo()->GetClassName(), GetId(), width, height);
 476
 477 #if !wxUSE_NANOX
 478     XSizeHints size_hints;
 479     size_hints.flags = PSize;
 480     size_hints.width = width;
 481     size_hints.height = height;
 482     XSetWMNormalHints( wxGlobalDisplay(), (Window) GetMainWindow(), &size_hints );
 483 #endif
 484
 485     wxWindowX11::DoSetClientSize(width, height);
 486 }
 487
 488 void wxTopLevelWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 489 {
 490     int old_x = m_x;
 491     int old_y = m_y;
 492     int old_width = m_width;
 493     int old_height = m_height;
 494
 495     if (x != wxDefaultCoord || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 496         m_x = x;
 497
 498     if (y != wxDefaultCoord || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 499         m_y = y;
 500
 501     if (width != wxDefaultCoord || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 502         m_width = width;
 503
 504     if (height != wxDefaultCoord || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 505         m_height = height;
 506
 507     if (m_x == old_x && m_y == old_y && m_width == old_width && m_height == old_height)
 508         return;
 509
 510     // wxLogDebug("DoSetSize: %s (%ld) %d, %d %dx%d", GetClassInfo()->GetClassName(), GetId(), x, y, width, height);
 511
 512 #if !wxUSE_NANOX
 513     XSizeHints size_hints;
 514     size_hints.flags = 0;
 515     size_hints.flags |= PPosition;
 516     size_hints.flags |= PSize;
 517     size_hints.x = m_x;
 518     size_hints.y = m_y;
 519     size_hints.width = m_width;
 520     size_hints.height = m_height;
 521     XSetWMNormalHints( wxGlobalDisplay(), (Window) GetMainWindow(), &size_hints);
 522 #endif
 523
 524     wxWindowX11::DoSetSize(x, y, width, height, sizeFlags);
 525
 526 #if 0
 527     Display *display = wxGlobalDisplay();
 528     Window root = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 529     Window parent_window = window,
 530         next_parent   = window;
 531
 532     // search for the parent that is child of ROOT, because the WM may
 533     // reparent twice and notify only the next parent (like FVWM)
 534     while (next_parent != root) {
 535         Window *theChildren;
 536 #if wxUSE_NANOX
 537         GR_COUNT n;
 538 #else
 539         unsigned int n;
 540 #endif
 541         parent_window = next_parent;
 542         XQueryTree(display, parent_window, &root,
 543             &next_parent, &theChildren, &n);
 544         XFree(theChildren); // not needed
 545     }
 546
 547     XWindowChanges windowChanges;
 548     windowChanges.x = x;
 549     windowChanges.y = y;
 550     windowChanges.width = width;
 551     windowChanges.height = height;
 552     windowChanges.stack_mode = 0;
 553     int valueMask = CWX | CWY | CWWidth | CWHeight;
 554
 555     if (x != wxDefaultCoord || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 556     {
 557         valueMask |= CWX;
 558     }
 559     if (y != wxDefaultCoord || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 560     {
 561         valueMask |= CWY;
 562     }
 563     if (width != wxDefaultCoord)
 564     {
 565         windowChanges.width = wxMax(1, width);
 566         valueMask |= CWWidth;
 567     }
 568     if (height != wxDefaultCoord)
 569     {
 570         windowChanges.height = wxMax(1, height);
 571         valueMask |= CWHeight;
 572     }
 573
 574     XConfigureWindow( display, parent_window, valueMask, &windowChanges );
 575 #endif
 576 }
 577
 578 void wxTopLevelWindowX11::DoGetPosition(int *x, int *y) const
 579 {
 580     XSync(wxGlobalDisplay(), False);
 581     Window window = (Window) m_mainWindow;
 582     if (!window)
 583         return ;
 584
 585     Display *display = wxGlobalDisplay();
 586     Window root = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 587     Window parent_window = window,
 588         next_parent   = window;
 589
 590     // search for the parent that is child of ROOT, because the WM may
 591     // reparent twice and notify only the next parent (like FVWM)
 592     while (next_parent != root) {
 593         Window *theChildren;
 594 #if wxUSE_NANOX
 595         GR_COUNT n;
 596 #else
 597         unsigned int n;
 598 #endif
 599         parent_window = next_parent;
 600         XQueryTree(display, parent_window, &root,
 601             &next_parent, &theChildren, &n);
 602         XFree(theChildren); // not needed
 603     }
 604 #if 0
 605     int xx, yy; unsigned int dummy;
 606     XGetGeometry(display, parent_window, &root,
 607                  &xx, &yy, &dummy, &dummy, &dummy, &dummy);
 608     if (x) *x = xx;
 609     if (y) *y = yy;
 610 #else
 611     XWindowAttributes attr;
 612     Status status = XGetWindowAttributes( wxGlobalDisplay(), parent_window, & attr);
 613     if (status)
 614     {
 615         if (x) *x = attr.x;
 616         if (y) *y = attr.y;
 617     }
 618     else
 619     {
 620         if (x) *x = 0;
 621         if (y) *y = 0;
 622     }
 623 #endif
 624 }
 625
 626
 627 #ifndef MWM_DECOR_BORDER
 628
 629 #define MWM_HINTS_FUNCTIONS     (1L << 0)
 630 #define MWM_HINTS_DECORATIONS   (1L << 1)
 631 #define MWM_HINTS_INPUT_MODE    (1L << 2)
 632 #define MWM_HINTS_STATUS        (1L << 3)
 633
 634 #define MWM_DECOR_ALL           (1L << 0)
 635 #define MWM_DECOR_BORDER        (1L << 1)
 636 #define MWM_DECOR_RESIZEH       (1L << 2)
 637 #define MWM_DECOR_TITLE         (1L << 3)
 638 #define MWM_DECOR_MENU          (1L << 4)
 639 #define MWM_DECOR_MINIMIZE      (1L << 5)
 640 #define MWM_DECOR_MAXIMIZE      (1L << 6)
 641
 642 #define MWM_FUNC_ALL            (1L << 0)
 643 #define MWM_FUNC_RESIZE         (1L << 1)
 644 #define MWM_FUNC_MOVE           (1L << 2)
 645 #define MWM_FUNC_MINIMIZE       (1L << 3)
 646 #define MWM_FUNC_MAXIMIZE       (1L << 4)
 647 #define MWM_FUNC_CLOSE          (1L << 5)
 648
 649 #define MWM_INPUT_MODELESS 0
 650 #define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1
 651 #define MWM_INPUT_SYSTEM_MODAL 2
 652 #define MWM_INPUT_FULL_APPLICATION_MODAL 3
 653 #define MWM_INPUT_APPLICATION_MODAL MWM_INPUT_PRIMARY_APPLICATION_MODAL
 654
 655 #define MWM_TEAROFF_WINDOW (1L<<0)
 656
 657 #endif
 658
 659 struct MwmHints {
 660     long flags;
 661     long functions;
 662     long decorations;
 663     long input_mode;
 664 };
 665
 666 #define PROP_MOTIF_WM_HINTS_ELEMENTS 5
 667
 668 // Set the window manager decorations according to the
 669 // given wxWidgets style
 670 bool wxSetWMDecorations(Window w, long style)
 671 {
 672 #if wxUSE_NANOX
 673     GR_WM_PROPERTIES wmProp;
 674
 675     wmProp.flags = 0;
 676     wmProp.props = 0;
 677
 678     if (style & wxRESIZE_BORDER)
 679     {
 680         wmProp.props |= GR_WM_PROPS_APPFRAME ;
 681         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 682     }
 683
 684     if (style & wxCLOSE_BOX)
 685     {
 686         wmProp.props |= GR_WM_PROPS_CLOSEBOX ;
 687         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 688     }
 689
 690     if ((style & wxCAPTION) ||
 691         (style & wxTINY_CAPTION_HORIZ) ||
 692         (style & wxTINY_CAPTION_VERT))
 693     {
 694         wmProp.props |= GR_WM_PROPS_CAPTION ;
 695         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 696
 697         // The default dialog style doesn't include any kind
 698         // of border, which is a bit odd. Anyway, inclusion
 699         // of a caption surely implies a border.
 700         style |= wxRESIZE_BORDER;
 701     }
 702
 703     if (style & wxRESIZE_BORDER)
 704     {
 705         wmProp.props |= GR_WM_PROPS_APPFRAME ;
 706         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 707     }
 708
 709     if (style & wxSIMPLE_BORDER)
 710     {
 711         wmProp.props |= GR_WM_PROPS_BORDER ;
 712         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 713     }
 714
 715     if (style & wxMINIMIZE_BOX)
 716     {
 717     }
 718
 719     if (style & wxMAXIMIZE_BOX)
 720     {
 721         wmProp.props |= GR_WM_PROPS_MAXIMIZE ;
 722         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 723     }
 724
 725     if (((style & wxBORDER) != wxBORDER) && ((style & wxRESIZE_BORDER) != wxRESIZE_BORDER)
 726         && ((style & wxRESIZE_BORDER) != wxRESIZE_BORDER))
 727     {
 728         wmProp.props |= GR_WM_PROPS_NODECORATE ;
 729         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 730     }
 731
 732     GrSetWMProperties(w, & wmProp);
 733
 734 #else
 735
 736     Atom mwm_wm_hints = XInternAtom(wxGlobalDisplay(),"_MOTIF_WM_HINTS", False);
 737     if (mwm_wm_hints == 0)
 738        return false;
 739
 740     MwmHints hints;
 741     hints.flags = MWM_HINTS_DECORATIONS | MWM_HINTS_FUNCTIONS;
 742     hints.decorations = 0;
 743     hints.functions = 0;
 744
 745     if ((style & wxSIMPLE_BORDER) || (style & wxNO_BORDER))
 746     {
 747         // leave zeros
 748     }
 749     else
 750     {
 751         hints.decorations = MWM_DECOR_BORDER;
 752         hints.functions = MWM_FUNC_MOVE;
 753
 754         if ((style & wxCAPTION) != 0)
 755             hints.decorations |= MWM_DECOR_TITLE;
 756
 757         if ((style & wxSYSTEM_MENU) != 0)
 758             hints.decorations |= MWM_DECOR_MENU;
 759
 760         if ((style & wxCLOSE_BOX) != 0)
 761             hints.functions |= MWM_FUNC_CLOSE;
 762
 763         if ((style & wxMINIMIZE_BOX) != 0)
 764         {
 765             hints.functions |= MWM_FUNC_MINIMIZE;
 766             hints.decorations |= MWM_DECOR_MINIMIZE;
 767         }
 768
 769         if ((style & wxMAXIMIZE_BOX) != 0)
 770         {
 771             hints.functions |= MWM_FUNC_MAXIMIZE;
 772             hints.decorations |= MWM_DECOR_MAXIMIZE;
 773         }
 774
 775         if ((style & wxRESIZE_BORDER) != 0)
 776         {
 777             hints.functions |= MWM_FUNC_RESIZE;
 778             hints.decorations |= MWM_DECOR_RESIZEH;
 779         }
 780     }
 781
 782     XChangeProperty(wxGlobalDisplay(),
 783                     w,
 784                     mwm_wm_hints, mwm_wm_hints,
 785                     32, PropModeReplace,
 786                     (unsigned char *) &hints, PROP_MOTIF_WM_HINTS_ELEMENTS);
 787
 788 #endif
 789     return true;
 790 }