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.Number() == 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     if (m_needResizeInIdle)
 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     // Nano-X has to force a size event,
 284     // else there's no initial size.
 285 #if wxUSE_NANOX
 286     if (show)
 287 #else
 288     if (show && m_needResizeInIdle)
 289 #endif
 290     {
 291         wxSizeEvent event(GetSize(), GetId());
 292         event.SetEventObject(this);
 293         GetEventHandler()->ProcessEvent(event);
 294
 295         m_needResizeInIdle = FALSE;
 296     }
 297     if (show)
 298     {
 299         // This does the layout _before_ the
 300         // window is shown, else the items are
 301         // drawn first at the wrong positions,
 302         // then at the correct positions.
 303         if (GetAutoLayout())
 304         {
 305             Layout();
 306         }
 307     }
 308
 309     bool ret = wxWindowX11::Show(show);
 310
 311     return ret;
 312 }
 313
 314 // ----------------------------------------------------------------------------
 315 // wxTopLevelWindowX11 maximize/minimize
 316 // ----------------------------------------------------------------------------
 317
 318 void wxTopLevelWindowX11::Maximize(bool maximize)
 319 {
 320     // TODO
 321 }
 322
 323 bool wxTopLevelWindowX11::IsMaximized() const
 324 {
 325     // TODO
 326     return TRUE;
 327 }
 328
 329 void wxTopLevelWindowX11::Iconize(bool iconize)
 330 {
 331     if (!m_iconized && GetMainWindow())
 332     {
 333         if (XIconifyWindow(wxGlobalDisplay(),
 334             (Window) GetMainWindow(), DefaultScreen(wxGlobalDisplay())) != 0)
 335             m_iconized = TRUE;
 336     }
 337 }
 338
 339 bool wxTopLevelWindowX11::IsIconized() const
 340 {
 341     return m_iconized;
 342 }
 343
 344 void wxTopLevelWindowX11::Restore()
 345 {
 346     // This is the way to deiconify the window, according to the X FAQ
 347     if (m_iconized && GetMainWindow())
 348     {
 349         XMapWindow(wxGlobalDisplay(), (Window) GetMainWindow());
 350         m_iconized = FALSE;
 351     }
 352 }
 353
 354 // ----------------------------------------------------------------------------
 355 // wxTopLevelWindowX11 fullscreen
 356 // ----------------------------------------------------------------------------
 357
 358 bool wxTopLevelWindowX11::ShowFullScreen(bool show, long style)
 359 {
 360     if (show)
 361     {
 362         if (IsFullScreen())
 363             return FALSE;
 364
 365         m_fsIsShowing = TRUE;
 366         m_fsStyle = style;
 367
 368         // TODO
 369
 370         return TRUE;
 371     }
 372     else
 373     {
 374         if (!IsFullScreen())
 375             return FALSE;
 376
 377         m_fsIsShowing = FALSE;
 378
 379         // TODO
 380         return TRUE;
 381     }
 382 }
 383
 384 // ----------------------------------------------------------------------------
 385 // wxTopLevelWindowX11 misc
 386 // ----------------------------------------------------------------------------
 387
 388 void wxTopLevelWindowX11::DoSetIcon(const wxIcon& icon)
 389 {
 390     if (icon.Ok() && GetMainWindow())
 391     {
 392 #if wxUSE_NANOX
 393 #else
 394         XWMHints *wmHints = XAllocWMHints();
 395         wmHints->icon_pixmap = (Pixmap) icon.GetPixmap();
 396
 397         wmHints->flags = IconPixmapHint;
 398
 399         if (icon.GetMask())
 400         {
 401             wmHints->flags |= IconMaskHint;
 402             wmHints->icon_mask = (Pixmap) icon.GetMask()->GetBitmap();
 403         }
 404
 405         XSetWMHints(wxGlobalDisplay(), (Window) GetMainWindow(), wmHints);
 406         XFree(wmHints);
 407 #endif
 408     }
 409 }
 410
 411 void wxTopLevelWindowX11::SetIcons(const wxIconBundle& icons )
 412 {
 413     // this sets m_icon
 414     wxTopLevelWindowBase::SetIcons( icons );
 415
 416     DoSetIcon( icons.GetIcon( -1 ) );
 417     wxSetIconsX11( wxGlobalDisplay(), GetMainWindow(), icons );
 418 }
 419
 420 void wxTopLevelWindowX11::SetTitle(const wxString& title)
 421 {
 422     m_title = title;
 423
 424     if (GetMainWindow())
 425     {
 426         XStoreName(wxGlobalDisplay(), (Window) GetMainWindow(),
 427             (const char*) title);
 428         XSetIconName(wxGlobalDisplay(), (Window) GetMainWindow(),
 429             (const char*) title);
 430     }
 431 }
 432
 433 wxString wxTopLevelWindowX11::GetTitle() const
 434 {
 435     return m_title;
 436 }
 437
 438 // For implementation purposes - sometimes decorations make the client area
 439 // smaller
 440 wxPoint wxTopLevelWindowX11::GetClientAreaOrigin() const
 441 {
 442     // wxFrame::GetClientAreaOrigin
 443     // does the required calculation already.
 444     return wxPoint(0, 0);
 445 }
 446
 447 void wxTopLevelWindowX11::DoGetClientSize( int *width, int *height ) const
 448 {
 449     if (width)
 450        *width = m_width;
 451     if (height)
 452        *height = m_height;
 453 }
 454
 455 void wxTopLevelWindowX11::DoGetSize( int *width, int *height ) const
 456 {
 457     // TODO add non-client size
 458
 459     if (width)
 460        *width = m_width;
 461     if (height)
 462        *height = m_height;
 463 }
 464
 465 void wxTopLevelWindowX11::DoSetClientSize(int width, int height)
 466 {
 467     int old_width = m_width;
 468     int old_height = m_height;
 469
 470     m_width = width;
 471     m_height = height;
 472
 473     if (m_width == old_width && m_height == old_height)
 474         return;
 475
 476     // wxLogDebug("DoSetClientSize: %s (%ld) %dx%d", GetClassInfo()->GetClassName(), GetId(), width, height);
 477
 478 #if !wxUSE_NANOX
 479     XSizeHints size_hints;
 480     size_hints.flags = PSize;
 481     size_hints.width = width;
 482     size_hints.height = height;
 483     XSetWMNormalHints( wxGlobalDisplay(), (Window) GetMainWindow(), &size_hints );
 484 #endif
 485
 486     wxWindowX11::DoSetClientSize(width, height);
 487 }
 488
 489 void wxTopLevelWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 490 {
 491     int old_x = m_x;
 492     int old_y = m_y;
 493     int old_width = m_width;
 494     int old_height = m_height;
 495
 496     if (x != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 497         m_x = x;
 498
 499     if (y != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 500         m_y = y;
 501
 502     if (width != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 503         m_width = width;
 504
 505     if (height != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 506         m_height = height;
 507
 508     if (m_x == old_x && m_y == old_y && m_width == old_width && m_height == old_height)
 509         return;
 510
 511     // wxLogDebug("DoSetSize: %s (%ld) %d, %d %dx%d", GetClassInfo()->GetClassName(), GetId(), x, y, width, height);
 512
 513 #if !wxUSE_NANOX
 514     XSizeHints size_hints;
 515     size_hints.flags = 0;
 516     size_hints.flags |= PPosition;
 517     size_hints.flags |= PSize;
 518     size_hints.x = m_x;
 519     size_hints.y = m_y;
 520     size_hints.width = m_width;
 521     size_hints.height = m_height;
 522     XSetWMNormalHints( wxGlobalDisplay(), (Window) GetMainWindow(), &size_hints);
 523 #endif
 524
 525     wxWindowX11::DoSetSize(x, y, width, height, sizeFlags);
 526
 527 #if 0
 528     Display *display = wxGlobalDisplay();
 529     Window root = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 530     Window parent_window = window,
 531         next_parent   = window;
 532
 533     // search for the parent that is child of ROOT, because the WM may
 534     // reparent twice and notify only the next parent (like FVWM)
 535     while (next_parent != root) {
 536         Window *theChildren;
 537 #if wxUSE_NANOX
 538         GR_COUNT n;
 539 #else
 540         unsigned int n;
 541 #endif
 542         parent_window = next_parent;
 543         XQueryTree(display, parent_window, &root,
 544             &next_parent, &theChildren, &n);
 545         XFree(theChildren); // not needed
 546     }
 547
 548     XWindowChanges windowChanges;
 549     windowChanges.x = x;
 550     windowChanges.y = y;
 551     windowChanges.width = width;
 552     windowChanges.height = height;
 553     windowChanges.stack_mode = 0;
 554     int valueMask = CWX | CWY | CWWidth | CWHeight;
 555
 556     if (x != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 557     {
 558         valueMask |= CWX;
 559     }
 560     if (y != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 561     {
 562         valueMask |= CWY;
 563     }
 564     if (width != -1)
 565     {
 566         windowChanges.width = wxMax(1, width);
 567         valueMask |= CWWidth;
 568     }
 569     if (height != -1)
 570     {
 571         windowChanges.height = wxMax(1, height);
 572         valueMask |= CWHeight;
 573     }
 574
 575     XConfigureWindow( display, parent_window, valueMask, &windowChanges );
 576 #endif
 577 }
 578
 579 void wxTopLevelWindowX11::DoGetPosition(int *x, int *y) const
 580 {
 581     XSync(wxGlobalDisplay(), False);
 582     Window window = (Window) m_mainWindow;
 583     if (!window)
 584         return ;
 585
 586     Display *display = wxGlobalDisplay();
 587     Window root = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 588     Window parent_window = window,
 589         next_parent   = window;
 590
 591     // search for the parent that is child of ROOT, because the WM may
 592     // reparent twice and notify only the next parent (like FVWM)
 593     while (next_parent != root) {
 594         Window *theChildren;
 595 #if wxUSE_NANOX
 596         GR_COUNT n;
 597 #else
 598         unsigned int n;
 599 #endif
 600         parent_window = next_parent;
 601         XQueryTree(display, parent_window, &root,
 602             &next_parent, &theChildren, &n);
 603         XFree(theChildren); // not needed
 604     }
 605 #if 0
 606     int xx, yy; unsigned int dummy;
 607     XGetGeometry(display, parent_window, &root,
 608                  &xx, &yy, &dummy, &dummy, &dummy, &dummy);
 609     if (x) *x = xx;
 610     if (y) *y = yy;
 611 #else
 612     XWindowAttributes attr;
 613     Status status = XGetWindowAttributes( wxGlobalDisplay(), parent_window, & attr);
 614     if (status)
 615     {
 616         if (x) *x = attr.x;
 617         if (y) *y = attr.y;
 618     }
 619     else
 620     {
 621         if (x) *x = 0;
 622         if (y) *y = 0;
 623     }
 624 #endif
 625 }
 626
 627
 628 #ifndef MWM_DECOR_BORDER
 629
 630 #define MWM_HINTS_FUNCTIONS     (1L << 0)
 631 #define MWM_HINTS_DECORATIONS   (1L << 1)
 632 #define MWM_HINTS_INPUT_MODE    (1L << 2)
 633 #define MWM_HINTS_STATUS        (1L << 3)
 634
 635 #define MWM_DECOR_ALL           (1L << 0)
 636 #define MWM_DECOR_BORDER        (1L << 1)
 637 #define MWM_DECOR_RESIZEH       (1L << 2)
 638 #define MWM_DECOR_TITLE         (1L << 3)
 639 #define MWM_DECOR_MENU          (1L << 4)
 640 #define MWM_DECOR_MINIMIZE      (1L << 5)
 641 #define MWM_DECOR_MAXIMIZE      (1L << 6)
 642
 643 #define MWM_FUNC_ALL            (1L << 0)
 644 #define MWM_FUNC_RESIZE         (1L << 1)
 645 #define MWM_FUNC_MOVE           (1L << 2)
 646 #define MWM_FUNC_MINIMIZE       (1L << 3)
 647 #define MWM_FUNC_MAXIMIZE       (1L << 4)
 648 #define MWM_FUNC_CLOSE          (1L << 5)
 649
 650 #define MWM_INPUT_MODELESS 0
 651 #define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1
 652 #define MWM_INPUT_SYSTEM_MODAL 2
 653 #define MWM_INPUT_FULL_APPLICATION_MODAL 3
 654 #define MWM_INPUT_APPLICATION_MODAL MWM_INPUT_PRIMARY_APPLICATION_MODAL
 655
 656 #define MWM_TEAROFF_WINDOW      (1L<<0)
 657
 658 #endif
 659
 660 struct MwmHints {
 661     long flags;
 662     long functions;
 663     long decorations;
 664     long input_mode;
 665 };
 666
 667 #define PROP_MOTIF_WM_HINTS_ELEMENTS 5
 668
 669 // Set the window manager decorations according to the
 670 // given wxWindows style
 671 bool wxSetWMDecorations(Window w, long style)
 672 {
 673 #if wxUSE_NANOX
 674     GR_WM_PROPERTIES wmProp;
 675
 676     wmProp.flags = 0;
 677     wmProp.props = 0;
 678
 679     if (style & wxRESIZE_BORDER)
 680     {
 681         wmProp.props |= GR_WM_PROPS_APPFRAME ;
 682         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 683     }
 684
 685     if (style & wxSYSTEM_MENU)
 686     {
 687         wmProp.props |= GR_WM_PROPS_CLOSEBOX ;
 688         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 689     }
 690
 691     if ((style & wxCAPTION) ||
 692         (style & wxTINY_CAPTION_HORIZ) ||
 693         (style & wxTINY_CAPTION_VERT))
 694     {
 695         wmProp.props |= GR_WM_PROPS_CAPTION ;
 696         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 697
 698         // The default dialog style doesn't include any kind
 699         // of border, which is a bit odd. Anyway, inclusion
 700         // of a caption surely implies a border.
 701         style |= wxTHICK_FRAME;
 702     }
 703
 704     if (style & wxTHICK_FRAME)
 705     {
 706         wmProp.props |= GR_WM_PROPS_APPFRAME ;
 707         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 708     }
 709
 710     if (style & wxSIMPLE_BORDER)
 711     {
 712         wmProp.props |= GR_WM_PROPS_BORDER ;
 713         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 714     }
 715
 716     if (style & wxMINIMIZE_BOX)
 717     {
 718     }
 719
 720     if (style & wxMAXIMIZE_BOX)
 721     {
 722         wmProp.props |= GR_WM_PROPS_MAXIMIZE ;
 723         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 724     }
 725
 726     if (((style & wxBORDER) != wxBORDER) && ((style & wxTHICK_FRAME) != wxTHICK_FRAME)
 727         && ((style & wxRESIZE_BORDER) != wxRESIZE_BORDER))
 728     {
 729         wmProp.props |= GR_WM_PROPS_NODECORATE ;
 730         wmProp.flags |= GR_WM_FLAGS_PROPS ;
 731     }
 732
 733     GrSetWMProperties(w, & wmProp);
 734
 735 #else
 736
 737     Atom mwm_wm_hints = XInternAtom(wxGlobalDisplay(),"_MOTIF_WM_HINTS", False);
 738     if (mwm_wm_hints == 0)
 739        return FALSE;
 740
 741     MwmHints hints;
 742     hints.flags = MWM_HINTS_DECORATIONS | MWM_HINTS_FUNCTIONS;
 743     hints.decorations = 0;
 744     hints.functions = 0;
 745
 746     if ((style & wxSIMPLE_BORDER) || (style & wxNO_BORDER))
 747     {
 748         // leave zeros
 749     }
 750     else
 751     {
 752         hints.decorations = MWM_DECOR_BORDER;
 753         hints.functions = MWM_FUNC_MOVE;
 754
 755         if ((style & wxCAPTION) != 0)
 756             hints.decorations |= MWM_DECOR_TITLE;
 757
 758         if ((style & wxSYSTEM_MENU) != 0)
 759         {
 760             hints.functions |= MWM_FUNC_CLOSE;
 761             hints.decorations |= MWM_DECOR_MENU;
 762         }
 763
 764         if ((style & wxMINIMIZE_BOX) != 0)
 765         {
 766             hints.functions |= MWM_FUNC_MINIMIZE;
 767             hints.decorations |= MWM_DECOR_MINIMIZE;
 768         }
 769
 770         if ((style & wxMAXIMIZE_BOX) != 0)
 771         {
 772             hints.functions |= MWM_FUNC_MAXIMIZE;
 773             hints.decorations |= MWM_DECOR_MAXIMIZE;
 774         }
 775
 776         if ((style & wxRESIZE_BORDER) != 0)
 777         {
 778             hints.functions |= MWM_FUNC_RESIZE;
 779             hints.decorations |= MWM_DECOR_RESIZEH;
 780         }
 781     }
 782
 783     XChangeProperty(wxGlobalDisplay(),
 784                     w,
 785                     mwm_wm_hints, mwm_wm_hints,
 786                     32, PropModeReplace,
 787                     (unsigned char *) &hints, PROP_MOTIF_WM_HINTS_ELEMENTS);
 788
 789 #endif
 790     return TRUE;
 791 }
 792
 793