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