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 // Copyright:   (c) 2002 Julian Smart
   8 // Licence:     wxWindows licence
   9 ///////////////////////////////////////////////////////////////////////////////
  10
  11 // ============================================================================
  12 // declarations
  13 // ============================================================================
  14
  15 // ----------------------------------------------------------------------------
  16 // headers
  17 // ----------------------------------------------------------------------------
  18
  19 // For compilers that support precompilation, includes "wx.h".
  20 #include "wx/wxprec.h"
  21
  22 #ifdef __BORLANDC__
  23     #pragma hdrstop
  24 #endif
  25
  26 #include "wx/toplevel.h"
  27
  28 #ifndef WX_PRECOMP
  29     #include "wx/app.h"
  30     #include "wx/string.h"
  31     #include "wx/log.h"
  32     #include "wx/intl.h"
  33     #include "wx/frame.h"
  34     #include "wx/menu.h"
  35     #include "wx/statusbr.h"
  36     #include "wx/settings.h"
  37 #endif //WX_PRECOMP
  38
  39 #include "wx/x11/private.h"
  40 #include "X11/Xutil.h"
  41
  42 #include "wx/unix/utilsx11.h"
  43
  44 bool wxMWMIsRunning(Window w);
  45
  46 // ----------------------------------------------------------------------------
  47 // wxTopLevelWindowX11 creation
  48 // ----------------------------------------------------------------------------
  49
  50 void wxTopLevelWindowX11::Init()
  51 {
  52     m_iconized =
  53     m_maximizeOnShow = false;
  54
  55     // unlike (almost?) all other windows, frames are created hidden
  56     m_isShown = false;
  57
  58     // Data to save/restore when calling ShowFullScreen
  59     m_fsStyle = 0;
  60     m_fsIsMaximized = false;
  61     m_fsIsShowing = false;
  62
  63     m_needResizeInIdle = false;
  64
  65     m_x = wxDefaultCoord;
  66     m_y = wxDefaultCoord;
  67     m_width = 20;
  68     m_height = 20;
  69 }
  70
  71 bool wxTopLevelWindowX11::Create(wxWindow *parent,
  72                                  wxWindowID id,
  73                                  const wxString& title,
  74                                  const wxPoint& pos,
  75                                  const wxSize& size,
  76                                  long style,
  77                                  const wxString& name)
  78 {
  79     // init our fields
  80     Init();
  81
  82     m_windowStyle = style;
  83     m_parent = parent;
  84
  85     SetName(name);
  86
  87     m_windowId = id == wxID_ANY ? NewControlId() : id;
  88
  89     if (parent)
  90         parent->AddChild(this);
  91
  92     wxTopLevelWindows.Append(this);
  93
  94     Display *xdisplay = wxGlobalDisplay();
  95     int xscreen = DefaultScreen( xdisplay );
  96     Visual *xvisual = DefaultVisual( xdisplay, xscreen );
  97     Window xparent = RootWindow( xdisplay, xscreen );
  98     Colormap cm = DefaultColormap( xdisplay, xscreen );
  99
 100     if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)
 101         m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
 102     else
 103         m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE);
 104     m_backgroundColour.CalcPixel( (WXColormap) cm );
 105     m_hasBgCol = true;
 106
 107     m_x = pos.x;
 108     if (m_x < -1)
 109         m_x = 10;
 110
 111     m_y = pos.y;
 112     if (m_y < 0)
 113         m_y = 10;
 114
 115     m_width = size.x;
 116     if (m_width < 0)
 117         m_width = 500;
 118
 119     m_height = size.y;
 120     if (m_height < 0)
 121         m_height = 380;
 122
 123 #if !wxUSE_NANOX
 124     XSetWindowAttributes xattributes;
 125
 126     long xattributes_mask =
 127         CWBorderPixel | CWBackPixel;
 128
 129     xattributes.background_pixel = m_backgroundColour.GetPixel();
 130     xattributes.border_pixel = BlackPixel( xdisplay, xscreen );
 131
 132     if (HasFlag( wxNO_BORDER ))
 133     {
 134         xattributes_mask |= CWOverrideRedirect;
 135         xattributes.override_redirect = True;
 136     }
 137
 138     if (!HasFlag( wxFULL_REPAINT_ON_RESIZE ))
 139     {
 140         xattributes_mask |= CWBitGravity;
 141         xattributes.bit_gravity = NorthWestGravity;
 142     }
 143
 144     xattributes_mask |= CWEventMask;
 145     xattributes.event_mask =
 146         ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 147         ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 148         KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 149         PropertyChangeMask;
 150
 151     Window xwindow = XCreateWindow( xdisplay, xparent, m_x, m_y, m_width, m_height,
 152                                     0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 153 #else
 154     long backColor, foreColor;
 155     backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 156     foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 157
 158     Window xwindow = XCreateWindowWithColor( xdisplay, xparent, m_x, m_y, m_width, m_height,
 159                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 160 #endif
 161
 162     m_mainWindow = (WXWindow) xwindow;
 163     m_clientWindow = (WXWindow) xwindow;
 164     wxAddWindowToTable( xwindow, (wxWindow*) this );
 165
 166 #if wxUSE_NANOX
 167     XSelectInput( xdisplay, xwindow,
 168                   GR_EVENT_MASK_CLOSE_REQ |
 169                   ExposureMask |
 170                   KeyPressMask |
 171                   KeyReleaseMask |
 172                   ButtonPressMask |
 173                   ButtonReleaseMask |
 174                   ButtonMotionMask |
 175                   EnterWindowMask |
 176                   LeaveWindowMask |
 177                   PointerMotionMask |
 178                   KeymapStateMask |
 179                   FocusChangeMask |
 180                   ColormapChangeMask |
 181                   StructureNotifyMask |
 182                   PropertyChangeMask
 183                   );
 184 #endif
 185
 186     // Set background to None which will prevent X11 from clearing the
 187     // background completely.
 188     XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 189
 190 #if !wxUSE_NANOX
 191     if (HasFlag( wxSTAY_ON_TOP ))
 192     {
 193         Window xroot = RootWindow( xdisplay, xscreen );
 194         XSetTransientForHint( xdisplay, xwindow, xroot );
 195     }
 196     else
 197     {
 198        if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)
 199        {
 200             if (GetParent() && GetParent()->X11GetMainWindow())
 201             {
 202                 Window xparentwindow = (Window) GetParent()->X11GetMainWindow();
 203                 XSetTransientForHint( xdisplay, xwindow, xparentwindow );
 204             }
 205         }
 206     }
 207
 208     XSizeHints size_hints;
 209     size_hints.flags = PSize | PPosition | PWinGravity;
 210     size_hints.x = m_x;
 211     size_hints.y = m_y;
 212     size_hints.width = m_width;
 213     size_hints.height = m_height;
 214     size_hints.win_gravity = NorthWestGravity;
 215     XSetWMNormalHints( xdisplay, xwindow, &size_hints);
 216
 217     XWMHints wm_hints;
 218     wm_hints.flags = InputHint | StateHint;
 219     if (GetParent())
 220     {
 221         wm_hints.flags |= WindowGroupHint;
 222         wm_hints.window_group = (Window) GetParent()->X11GetMainWindow();
 223     }
 224     wm_hints.input = True;
 225     wm_hints.initial_state = NormalState;
 226     XSetWMHints( xdisplay, xwindow, &wm_hints);
 227
 228     Atom wm_protocols[2];
 229     wm_protocols[0] = XInternAtom( xdisplay, "WM_DELETE_WINDOW", False );
 230     wm_protocols[1] = XInternAtom( xdisplay, "WM_TAKE_FOCUS", False );
 231     XSetWMProtocols( xdisplay, xwindow, wm_protocols, 2);
 232
 233 #endif
 234
 235     wxSetWMDecorations( xwindow, style);
 236
 237     SetTitle(title);
 238
 239     return true;
 240 }
 241
 242 wxTopLevelWindowX11::~wxTopLevelWindowX11()
 243 {
 244     wxTopLevelWindows.DeleteObject(this);
 245
 246     // If this is the last top-level window, exit.
 247     if ( wxTheApp && (wxTopLevelWindows.GetCount() == 0) )
 248     {
 249         wxTheApp->SetTopWindow(NULL);
 250
 251         if (wxTheApp->GetExitOnFrameDelete())
 252         {
 253             // Signal to the app that we're going to close
 254             wxTheApp->ExitMainLoop();
 255         }
 256     }
 257 }
 258
 259 void wxTopLevelWindowX11::OnInternalIdle()
 260 {
 261     wxWindow::OnInternalIdle();
 262
 263     // Do this only after the last idle event so that
 264     // all windows have been updated before a new
 265     // round of size events is sent
 266     if (m_needResizeInIdle && !wxTheApp->Pending())
 267     {
 268         wxSizeEvent event( GetClientSize(), GetId() );
 269         event.SetEventObject( this );
 270         HandleWindowEvent( event );
 271
 272         m_needResizeInIdle = false;
 273     }
 274 }
 275
 276 // ----------------------------------------------------------------------------
 277 // wxTopLevelWindowX11 showing
 278 // ----------------------------------------------------------------------------
 279
 280 bool wxTopLevelWindowX11::Show(bool show)
 281 {
 282     if (show)
 283     {
 284         wxSizeEvent event(GetSize(), GetId());
 285
 286         event.SetEventObject(this);
 287         HandleWindowEvent(event);
 288
 289         m_needResizeInIdle = false;
 290     }
 291
 292     bool ret = wxWindowX11::Show(show);
 293
 294     return ret;
 295 }
 296
 297 // ----------------------------------------------------------------------------
 298 // wxTopLevelWindowX11 maximize/minimize
 299 // ----------------------------------------------------------------------------
 300
 301 void wxTopLevelWindowX11::Maximize(bool WXUNUSED(maximize))
 302 {
 303     // TODO
 304 }
 305
 306 bool wxTopLevelWindowX11::IsMaximized() const
 307 {
 308     // TODO
 309     return true;
 310 }
 311
 312 void wxTopLevelWindowX11::Iconize(bool iconize)
 313 {
 314     if ( !iconize )
 315     {
 316         Restore();
 317         return;
 318     }
 319
 320     if (!m_iconized && X11GetMainWindow())
 321     {
 322         if (XIconifyWindow(wxGlobalDisplay(),
 323             (Window) X11GetMainWindow(), DefaultScreen(wxGlobalDisplay())) != 0)
 324             m_iconized = true;
 325     }
 326 }
 327
 328 bool wxTopLevelWindowX11::IsIconized() const
 329 {
 330     return m_iconized;
 331 }
 332
 333 void wxTopLevelWindowX11::Restore()
 334 {
 335     // This is the way to deiconify the window, according to the X FAQ
 336     if (m_iconized && X11GetMainWindow())
 337     {
 338         XMapWindow(wxGlobalDisplay(), (Window) X11GetMainWindow());
 339         m_iconized = false;
 340     }
 341 }
 342
 343 // ----------------------------------------------------------------------------
 344 // wxTopLevelWindowX11 fullscreen
 345 // ----------------------------------------------------------------------------
 346
 347 bool wxTopLevelWindowX11::ShowFullScreen(bool show, long style)
 348 {
 349     if (show)
 350     {
 351         if (IsFullScreen())
 352             return false;
 353
 354         m_fsIsShowing = true;
 355         m_fsStyle = style;
 356
 357         // TODO
 358
 359         return true;
 360     }
 361     else
 362     {
 363         if (!IsFullScreen())
 364             return false;
 365
 366         m_fsIsShowing = false;
 367
 368         // TODO
 369         return true;
 370     }
 371 }
 372
 373 // ----------------------------------------------------------------------------
 374 // wxTopLevelWindowX11 misc
 375 // ----------------------------------------------------------------------------
 376
 377 void wxTopLevelWindowX11::DoSetIcon(const wxIcon& icon)
 378 {
 379     if (icon.IsOk() && X11GetMainWindow())
 380     {
 381 #if !wxUSE_NANOX
 382         XWMHints *wmHints = XAllocWMHints();
 383         wmHints->icon_pixmap = (Pixmap) icon.GetPixmap();
 384
 385         wmHints->flags = IconPixmapHint;
 386
 387         if (icon.GetMask())
 388         {
 389             wmHints->flags |= IconMaskHint;
 390             wmHints->icon_mask = (Pixmap) icon.GetMask()->GetBitmap();
 391         }
 392
 393         XSetWMHints(wxGlobalDisplay(), (Window) X11GetMainWindow(), wmHints);
 394         XFree(wmHints);
 395 #endif
 396     }
 397 }
 398
 399 void wxTopLevelWindowX11::SetIcons(const wxIconBundle& icons )
 400 {
 401     // this sets m_icon
 402     wxTopLevelWindowBase::SetIcons( icons );
 403
 404     DoSetIcon( icons.GetIcon( -1 ) );
 405     wxSetIconsX11( wxGlobalDisplay(), X11GetMainWindow(), icons );
 406 }
 407
 408 bool wxTopLevelWindowX11::SetShape(const wxRegion& region)
 409 {
 410     return wxDoSetShape( wxGlobalDisplay(),
 411                          (Window)X11GetMainWindow(),
 412                          region );
 413 }
 414
 415 void wxTopLevelWindowX11::SetTitle(const wxString& title)
 416 {
 417     m_title = title;
 418
 419     if (X11GetMainWindow())
 420     {
 421 #if wxUSE_UNICODE
 422         //  I wonder of e.g. Metacity takes UTF-8 here
 423         XStoreName(wxGlobalDisplay(), (Window) X11GetMainWindow(),
 424             (const char*) title.ToAscii() );
 425         XSetIconName(wxGlobalDisplay(), (Window) X11GetMainWindow(),
 426             (const char*) title.ToAscii() );
 427 #else
 428         XStoreName(wxGlobalDisplay(), (Window) X11GetMainWindow(),
 429             (const char*) title);
 430         XSetIconName(wxGlobalDisplay(), (Window) X11GetMainWindow(),
 431             (const char*) title);
 432 #endif
 433     }
 434 }
 435
 436 wxString wxTopLevelWindowX11::GetTitle() const
 437 {
 438     return m_title;
 439 }
 440
 441 // For implementation purposes - sometimes decorations make the client area
 442 // smaller
 443 wxPoint wxTopLevelWindowX11::GetClientAreaOrigin() const
 444 {
 445     // wxFrame::GetClientAreaOrigin
 446     // does the required calculation already.
 447     return wxPoint(0, 0);
 448 }
 449
 450 void wxTopLevelWindowX11::DoGetClientSize( int *width, int *height ) const
 451 {
 452     if (width)
 453        *width = m_width;
 454     if (height)
 455        *height = m_height;
 456 }
 457
 458 void wxTopLevelWindowX11::DoGetSize( int *width, int *height ) const
 459 {
 460     // TODO add non-client size
 461
 462     if (width)
 463        *width = m_width;
 464     if (height)
 465        *height = m_height;
 466 }
 467
 468 void wxTopLevelWindowX11::DoSetClientSize(int width, int height)
 469 {
 470     int old_width = m_width;
 471     int old_height = m_height;
 472
 473     m_width = width;
 474     m_height = height;
 475
 476     if (m_width == old_width && m_height == old_height)
 477         return;
 478
 479     // wxLogDebug("DoSetClientSize: %s (%ld) %dx%d", GetClassInfo()->GetClassName(), GetId(), width, height);
 480
 481 #if !wxUSE_NANOX
 482     XSizeHints size_hints;
 483     size_hints.flags = PSize;
 484     size_hints.width = width;
 485     size_hints.height = height;
 486     XSetWMNormalHints( wxGlobalDisplay(), (Window) X11GetMainWindow(), &size_hints );
 487 #endif
 488
 489     wxWindowX11::DoSetClientSize(width, height);
 490 }
 491
 492 void wxTopLevelWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 493 {
 494     int old_x = m_x;
 495     int old_y = m_y;
 496     int old_width = m_width;
 497     int old_height = m_height;
 498
 499     if (x != wxDefaultCoord || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 500         m_x = x;
 501
 502     if (y != wxDefaultCoord || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 503         m_y = y;
 504
 505     if (width != wxDefaultCoord || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 506         m_width = width;
 507
 508     if (height != wxDefaultCoord || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 509         m_height = height;
 510
 511     if (m_x == old_x && m_y == old_y && m_width == old_width && m_height == old_height)
 512         return;
 513
 514     // wxLogDebug("DoSetSize: %s (%ld) %d, %d %dx%d", GetClassInfo()->GetClassName(), GetId(), x, y, width, height);
 515
 516 #if !wxUSE_NANOX
 517     XSizeHints size_hints;
 518     size_hints.flags = 0;
 519     size_hints.flags |= PPosition;
 520     size_hints.flags |= PSize;
 521     size_hints.x = m_x;
 522     size_hints.y = m_y;
 523     size_hints.width = m_width;
 524     size_hints.height = m_height;
 525     XSetWMNormalHints( wxGlobalDisplay(), (Window) X11GetMainWindow(), &size_hints);
 526 #endif
 527
 528     wxWindowX11::DoSetSize(x, y, width, height, sizeFlags);
 529
 530 #if 0
 531     Display *display = wxGlobalDisplay();
 532     Window root = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 533     Window parent_window = window,
 534         next_parent   = window;
 535
 536     // search for the parent that is child of ROOT, because the WM may
 537     // reparent twice and notify only the next parent (like FVWM)
 538     while (next_parent != root) {
 539         Window *theChildren;
 540 #if wxUSE_NANOX
 541         GR_COUNT n;
 542 #else
 543         unsigned int n;
 544 #endif
 545         parent_window = next_parent;
 546         XQueryTree(display, parent_window, &root,
 547             &next_parent, &theChildren, &n);
 548         XFree(theChildren); // not needed
 549     }
 550
 551     XWindowChanges windowChanges;
 552     windowChanges.x = x;
 553     windowChanges.y = y;
 554     windowChanges.width = width;
 555     windowChanges.height = height;
 556     windowChanges.stack_mode = 0;
 557     int valueMask = CWX | CWY | CWWidth | CWHeight;
 558
 559     if (x != wxDefaultCoord || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 560     {
 561         valueMask |= CWX;
 562     }
 563     if (y != wxDefaultCoord || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 564     {
 565         valueMask |= CWY;
 566     }
 567     if (width != wxDefaultCoord)
 568     {
 569         windowChanges.width = wxMax(1, width);
 570         valueMask |= CWWidth;
 571     }
 572     if (height != wxDefaultCoord)
 573     {
 574         windowChanges.height = wxMax(1, height);
 575         valueMask |= CWHeight;
 576     }
 577
 578     XConfigureWindow( display, parent_window, valueMask, &windowChanges );
 579 #endif
 580 }
 581
 582 void wxTopLevelWindowX11::DoGetPosition(int *x, int *y) const
 583 {
 584     XSync(wxGlobalDisplay(), False);
 585     Window window = (Window) m_mainWindow;
 586     if (!window)
 587         return ;
 588
 589     Display *display = wxGlobalDisplay();
 590     Window root = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 591     Window parent_window = window,
 592         next_parent   = window;
 593
 594     // search for the parent that is child of ROOT, because the WM may
 595     // reparent twice and notify only the next parent (like FVWM)
 596     while (next_parent != root) {
 597         Window *theChildren;
 598 #if wxUSE_NANOX
 599         GR_COUNT n;
 600 #else
 601         unsigned int n;
 602 #endif
 603         parent_window = next_parent;
 604         XQueryTree(display, parent_window, &root,
 605             &next_parent, &theChildren, &n);
 606         XFree(theChildren); // not needed
 607     }
 608 #if 0
 609     int xx, yy; unsigned int dummy;
 610     XGetGeometry(display, parent_window, &root,
 611                  &xx, &yy, &dummy, &dummy, &dummy, &dummy);
 612     if (x) *x = xx;
 613     if (y) *y = yy;
 614 #else
 615     XWindowAttributes attr;
 616     Status status = XGetWindowAttributes( wxGlobalDisplay(), parent_window, & attr);
 617     if (status)
 618     {
 619         if (x) *x = attr.x;
 620         if (y) *y = attr.y;
 621     }
 622     else
 623     {
 624         if (x) *x = 0;
 625         if (y) *y = 0;
 626     }
 627 #endif
 628 }
 629
 630
 631 #ifndef MWM_DECOR_BORDER
 632
 633 #define MWM_HINTS_FUNCTIONS     (1L << 0)
 634 #define MWM_HINTS_DECORATIONS   (1L << 1)
 635 #define MWM_HINTS_INPUT_MODE    (1L << 2)
 636 #define MWM_HINTS_STATUS        (1L << 3)
 637
 638 #define MWM_DECOR_ALL           (1L << 0)
 639 #define MWM_DECOR_BORDER        (1L << 1)
 640 #define MWM_DECOR_RESIZEH       (1L << 2)
 641 #define MWM_DECOR_TITLE         (1L << 3)
 642 #define MWM_DECOR_MENU          (1L << 4)
 643 #define MWM_DECOR_MINIMIZE      (1L << 5)
 644 #define MWM_DECOR_MAXIMIZE      (1L << 6)
 645
 646 #define MWM_FUNC_ALL            (1L << 0)
 647 #define MWM_FUNC_RESIZE         (1L << 1)
 648 #define MWM_FUNC_MOVE           (1L << 2)
 649 #define MWM_FUNC_MINIMIZE       (1L << 3)
 650 #define MWM_FUNC_MAXIMIZE       (1L << 4)
 651 #define MWM_FUNC_CLOSE          (1L << 5)
 652
 653 #define MWM_INPUT_MODELESS 0
 654 #define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1
 655 #define MWM_INPUT_SYSTEM_MODAL 2
 656 #define MWM_INPUT_FULL_APPLICATION_MODAL 3
 657 #define MWM_INPUT_APPLICATION_MODAL MWM_INPUT_PRIMARY_APPLICATION_MODAL
 658
 659 #define MWM_TEAROFF_WINDOW (1L<<0)
 660
 661 #endif
 662
 663 struct MwmHints {
 664     long flags;
 665     long functions;
 666     long decorations;
 667     long input_mode;
 668 };
 669
 670 #define PROP_MOTIF_WM_HINTS_ELEMENTS 5
 671
 672 // Set the window manager decorations according to the
 673 // given wxWidgets style
 674 bool wxSetWMDecorations(Window w, long style)
 675 {
 676 #if wxUSE_NANOX
 677     GR_WM_PROPERTIES wmProp;
 678
 679     wmProp.flags = 0;
 680     wmProp.props = 0;
 681
 682     if (style & wxRESIZE_BORDER)
 683     {
 684         wmProp.props |= GR_WM_PROPS_APPFRAME ;
 685         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 686     }
 687
 688     if (style & wxCLOSE_BOX)
 689     {
 690         wmProp.props |= GR_WM_PROPS_CLOSEBOX ;
 691         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 692     }
 693
 694     if ((style & wxCAPTION) ||
 695         (style & wxTINY_CAPTION))
 696     {
 697         wmProp.props |= GR_WM_PROPS_CAPTION ;
 698         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 699
 700         // The default dialog style doesn't include any kind
 701         // of border, which is a bit odd. Anyway, inclusion
 702         // of a caption surely implies a border.
 703         style |= wxRESIZE_BORDER;
 704     }
 705
 706     if (style & wxRESIZE_BORDER)
 707     {
 708         wmProp.props |= GR_WM_PROPS_APPFRAME ;
 709         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 710     }
 711
 712     if (style & wxSIMPLE_BORDER)
 713     {
 714         wmProp.props |= GR_WM_PROPS_BORDER ;
 715         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 716     }
 717
 718     if (style & wxMINIMIZE_BOX)
 719     {
 720     }
 721
 722     if (style & wxMAXIMIZE_BOX)
 723     {
 724         wmProp.props |= GR_WM_PROPS_MAXIMIZE ;
 725         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 726     }
 727
 728     if ( !(style & wxBORDER) && !(style & wxRESIZE_BORDER) )
 729     {
 730         wmProp.props |= GR_WM_PROPS_NODECORATE ;
 731         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 732     }
 733
 734     GrSetWMProperties(w, & wmProp);
 735
 736 #else
 737
 738     Atom mwm_wm_hints = XInternAtom(wxGlobalDisplay(),"_MOTIF_WM_HINTS", False);
 739     if (mwm_wm_hints == 0)
 740        return false;
 741
 742     MwmHints hints;
 743     hints.flags = MWM_HINTS_DECORATIONS | MWM_HINTS_FUNCTIONS;
 744     hints.decorations = 0;
 745     hints.functions = 0;
 746
 747     if ((style & wxSIMPLE_BORDER) || (style & wxNO_BORDER))
 748     {
 749         // leave zeros
 750     }
 751     else
 752     {
 753         hints.decorations = MWM_DECOR_BORDER;
 754         hints.functions = MWM_FUNC_MOVE;
 755
 756         if ((style & wxCAPTION) != 0)
 757             hints.decorations |= MWM_DECOR_TITLE;
 758
 759         if ((style & wxSYSTEM_MENU) != 0)
 760             hints.decorations |= MWM_DECOR_MENU;
 761
 762         if ((style & wxCLOSE_BOX) != 0)
 763             hints.functions |= MWM_FUNC_CLOSE;
 764
 765         if ((style & wxMINIMIZE_BOX) != 0)
 766         {
 767             hints.functions |= MWM_FUNC_MINIMIZE;
 768             hints.decorations |= MWM_DECOR_MINIMIZE;
 769         }
 770
 771         if ((style & wxMAXIMIZE_BOX) != 0)
 772         {
 773             hints.functions |= MWM_FUNC_MAXIMIZE;
 774             hints.decorations |= MWM_DECOR_MAXIMIZE;
 775         }
 776
 777         if ((style & wxRESIZE_BORDER) != 0)
 778         {
 779             hints.functions |= MWM_FUNC_RESIZE;
 780             hints.decorations |= MWM_DECOR_RESIZEH;
 781         }
 782     }
 783
 784     XChangeProperty(wxGlobalDisplay(),
 785                     w,
 786                     mwm_wm_hints, mwm_wm_hints,
 787                     32, PropModeReplace,
 788                     (unsigned char *) &hints, PROP_MOTIF_WM_HINTS_ELEMENTS);
 789
 790 #endif
 791     return true;
 792 }