src/gtk/dialog.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        dialog.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #ifdef __GNUG__
  11 #pragma implementation "dialog.h"
  12 #endif
  13
  14 #include "wx/dialog.h"
  15 #include "wx/frame.h"
  16 #include "wx/app.h"
  17 #include "wx/cursor.h"
  18
  19 #include <gdk/gdk.h>
  20 #include <gtk/gtk.h>
  21 #include <gdk/gdkkeysyms.h>
  22
  23 #include "wx/gtk/win_gtk.h"
  24
  25 //-----------------------------------------------------------------------------
  26 // idle system
  27 //-----------------------------------------------------------------------------
  28
  29 extern void wxapp_install_idle_handler();
  30 extern bool g_isIdle;
  31 extern int g_openDialogs;
  32
  33 //-----------------------------------------------------------------------------
  34 // data
  35 //-----------------------------------------------------------------------------
  36
  37 extern wxList wxPendingDelete;
  38
  39 //-----------------------------------------------------------------------------
  40 // "focus" from m_window
  41 //-----------------------------------------------------------------------------
  42
  43 static gint gtk_dialog_focus_callback( GtkWidget *widget, GtkDirectionType WXUNUSED(d), wxWindow *WXUNUSED(win) )
  44 {
  45     if (g_isIdle)
  46         wxapp_install_idle_handler();
  47
  48     // This disables GTK's tab traversal
  49     gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "focus" );
  50     return TRUE;
  51 }
  52
  53 //-----------------------------------------------------------------------------
  54 // "delete_event"
  55 //-----------------------------------------------------------------------------
  56
  57 bool gtk_dialog_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxDialog *win )
  58 {
  59     if (g_isIdle)
  60         wxapp_install_idle_handler();
  61
  62     if (win->IsEnabled())
  63         win->Close();
  64
  65     return TRUE;
  66 }
  67
  68 //-----------------------------------------------------------------------------
  69 // "size_allocate"
  70 //-----------------------------------------------------------------------------
  71
  72 static void gtk_dialog_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxDialog *win )
  73 {
  74     if (g_isIdle)
  75         wxapp_install_idle_handler();
  76
  77     if (!win->m_hasVMT) return;
  78
  79     if ((win->m_width != alloc->width) || (win->m_height != alloc->height))
  80     {
  81         win->m_width = alloc->width;
  82         win->m_height = alloc->height;
  83         win->GtkUpdateSize();
  84     }
  85 }
  86
  87 //-----------------------------------------------------------------------------
  88 // "configure_event"
  89 //-----------------------------------------------------------------------------
  90
  91 static gint
  92 #if (GTK_MINOR_VERSION > 0)
  93 gtk_dialog_configure_callback( GtkWidget *WXUNUSED(widget), GdkEventConfigure *WXUNUSED(event), wxDialog *win )
  94 #else
  95 gtk_dialog_configure_callback( GtkWidget *WXUNUSED(widget), GdkEventConfigure *event, wxDialog *win )
  96 #endif
  97 {
  98     if (g_isIdle)
  99         wxapp_install_idle_handler();
 100
 101     if (!win->m_hasVMT) return FALSE;
 102
 103 #if (GTK_MINOR_VERSION > 0)
 104     int x = 0;
 105     int y = 0;
 106     gdk_window_get_root_origin( win->m_widget->window, &x, &y );
 107     win->m_x = x;
 108     win->m_y = y;
 109 #else
 110     win->m_x = event->x;
 111     win->m_y = event->y;
 112 #endif
 113
 114     wxMoveEvent mevent( wxPoint(win->m_x,win->m_y), win->GetId() );
 115     mevent.SetEventObject( win );
 116     win->GetEventHandler()->ProcessEvent( mevent );
 117
 118     return FALSE;
 119 }
 120
 121 //-----------------------------------------------------------------------------
 122 // "realize" from m_widget
 123 //-----------------------------------------------------------------------------
 124
 125 /* we cannot MWM hints and icons before the widget has been realized,
 126    so we do this directly after realization */
 127
 128 static gint
 129 gtk_dialog_realized_callback( GtkWidget *widget, wxDialog *win )
 130 {
 131     if (g_isIdle)
 132         wxapp_install_idle_handler();
 133
 134     /* all this is for Motif Window Manager "hints" and is supposed to be
 135        recognized by other WM as well. not tested. */
 136     long decor = (long) GDK_DECOR_BORDER;
 137     long func = (long) GDK_FUNC_MOVE ;
 138
 139     /* Some WM don't display any border around the frame contents if
 140        used with these hints, so we add a resize border around it,
 141        without automatically allowinng it to be resized though.
 142
 143        This avoids the problem, but looks odd. What shall we do?
 144     */
 145     decor |= GDK_DECOR_RESIZEH;
 146
 147     if ((win->GetWindowStyle() & wxCAPTION) != 0)
 148         decor |= GDK_DECOR_TITLE;
 149     if ((win->GetWindowStyle() & wxSYSTEM_MENU) != 0)
 150     {
 151        decor |= GDK_DECOR_MENU;
 152        func |= GDK_FUNC_CLOSE;
 153     }
 154     if ((win->GetWindowStyle() & wxMINIMIZE_BOX) != 0)
 155     {
 156         func |= GDK_FUNC_MINIMIZE;
 157         decor |= GDK_DECOR_MINIMIZE;
 158     }
 159     if ((win->GetWindowStyle() & wxMAXIMIZE_BOX) != 0)
 160     {
 161         decor |= GDK_DECOR_MAXIMIZE;
 162         func |= GDK_FUNC_MAXIMIZE;
 163     }
 164     if ((win->GetWindowStyle() & wxRESIZE_BORDER) != 0)
 165     {
 166        func |= GDK_FUNC_RESIZE;
 167        decor |= GDK_DECOR_RESIZEH;
 168     }
 169     gdk_window_set_decorations( win->m_widget->window, (GdkWMDecoration)decor);
 170     gdk_window_set_functions( win->m_widget->window, (GdkWMFunction)func);
 171
 172     /* GTK's shrinking/growing policy */
 173     if ((win->GetWindowStyle() & wxRESIZE_BORDER) == 0)
 174         gtk_window_set_policy(GTK_WINDOW(win->m_widget), 0, 0, 1);
 175     else
 176         gtk_window_set_policy(GTK_WINDOW(win->m_widget), 1, 1, 1);
 177
 178     /* set size hints */
 179     gint flag = 0; // GDK_HINT_POS;
 180     if ((win->GetMinWidth() != -1) || (win->GetMinHeight() != -1)) flag |= GDK_HINT_MIN_SIZE;
 181     if ((win->GetMaxWidth() != -1) || (win->GetMaxHeight() != -1)) flag |= GDK_HINT_MAX_SIZE;
 182     if (flag)
 183     {
 184         gdk_window_set_hints( win->m_widget->window,
 185                               win->m_x, win->m_y,
 186                               win->GetMinWidth(), win->GetMinHeight(),
 187                               win->GetMaxWidth(), win->GetMaxHeight(),
 188                               flag );
 189     }
 190
 191     /* reset the icon */
 192     if (win->m_icon != wxNullIcon)
 193     {
 194         wxIcon icon( win->m_icon );
 195         win->m_icon = wxNullIcon;
 196         win->SetIcon( icon );
 197     }
 198
 199     return FALSE;
 200 }
 201
 202 //-----------------------------------------------------------------------------
 203 // InsertChild for wxDialog
 204 //-----------------------------------------------------------------------------
 205
 206 /* Callback for wxFrame. This very strange beast has to be used because
 207  * C++ has no virtual methods in a constructor. We have to emulate a
 208  * virtual function here as wxWindows requires different ways to insert
 209  * a child in container classes. */
 210
 211 static void wxInsertChildInDialog( wxDialog* parent, wxWindow* child )
 212 {
 213     gtk_pizza_put( GTK_PIZZA(parent->m_wxwindow),
 214                      GTK_WIDGET(child->m_widget),
 215                      child->m_x,
 216                      child->m_y,
 217                      child->m_width,
 218                      child->m_height );
 219
 220     if (parent->HasFlag(wxTAB_TRAVERSAL))
 221     {
 222         /* we now allow a window to get the focus as long as it
 223            doesn't have any children. */
 224         GTK_WIDGET_UNSET_FLAGS( parent->m_wxwindow, GTK_CAN_FOCUS );
 225     }
 226 }
 227
 228 //-----------------------------------------------------------------------------
 229 // wxDialog
 230 //-----------------------------------------------------------------------------
 231
 232 BEGIN_EVENT_TABLE(wxDialog,wxPanel)
 233     EVT_BUTTON  (wxID_OK,       wxDialog::OnOK)
 234     EVT_BUTTON  (wxID_CANCEL,   wxDialog::OnCancel)
 235     EVT_BUTTON  (wxID_APPLY,    wxDialog::OnApply)
 236     EVT_SIZE    (wxDialog::OnSize)
 237     EVT_CLOSE   (wxDialog::OnCloseWindow)
 238 END_EVENT_TABLE()
 239
 240 IMPLEMENT_DYNAMIC_CLASS(wxDialog,wxPanel)
 241
 242 void wxDialog::Init()
 243 {
 244     m_returnCode = 0;
 245     m_sizeSet = FALSE;
 246     m_modalShowing = FALSE;
 247     m_isFrame = TRUE;
 248 }
 249
 250 wxDialog::wxDialog( wxWindow *parent,
 251                     wxWindowID id, const wxString &title,
 252                     const wxPoint &pos, const wxSize &size,
 253                     long style, const wxString &name )
 254 {
 255     Init();
 256
 257     Create( parent, id, title, pos, size, style, name );
 258 }
 259
 260 bool wxDialog::Create( wxWindow *parent,
 261                        wxWindowID id, const wxString &title,
 262                        const wxPoint &pos, const wxSize &size,
 263                        long style, const wxString &name )
 264 {
 265     wxTopLevelWindows.Append( this );
 266
 267     m_needParent = FALSE;
 268
 269     if (!PreCreation( parent, pos, size ) ||
 270         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 271     {
 272         wxFAIL_MSG( wxT("wxDialog creation failed") );
 273         return FALSE;
 274     }
 275
 276     // All dialogs should really have this style
 277     m_windowStyle |= wxTAB_TRAVERSAL;
 278
 279     m_insertCallback = (wxInsertChildFunction) wxInsertChildInDialog;
 280
 281     m_widget = gtk_window_new( GTK_WINDOW_DIALOG );
 282
 283     if ((m_parent) && (GTK_IS_WINDOW(m_parent->m_widget)))
 284         gtk_window_set_transient_for( GTK_WINDOW(m_widget), GTK_WINDOW(m_parent->m_widget) );
 285
 286     if (!name.IsEmpty())
 287         gtk_window_set_wmclass( GTK_WINDOW(m_widget), name.mb_str(), name.mb_str() );
 288
 289     GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
 290
 291     gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
 292         GTK_SIGNAL_FUNC(gtk_dialog_delete_callback), (gpointer)this );
 293
 294     m_wxwindow = gtk_pizza_new();
 295     gtk_widget_show( m_wxwindow );
 296     GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS );
 297
 298     gtk_container_add( GTK_CONTAINER(m_widget), m_wxwindow );
 299
 300     SetTitle( title );
 301
 302     if (m_parent) m_parent->AddChild( this );
 303
 304     PostCreation();
 305
 306     if ((m_x != -1) || (m_y != -1))
 307         gtk_widget_set_uposition( m_widget, m_x, m_y );
 308     gtk_widget_set_usize( m_widget, m_width, m_height );
 309
 310     /*  we cannot set MWM hints  before the widget has
 311         been realized, so we do this directly after realization */
 312     gtk_signal_connect( GTK_OBJECT(m_widget), "realize",
 313                         GTK_SIGNAL_FUNC(gtk_dialog_realized_callback), (gpointer) this );
 314
 315     /* the user resized the frame by dragging etc. */
 316     gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate",
 317         GTK_SIGNAL_FUNC(gtk_dialog_size_callback), (gpointer)this );
 318
 319     gtk_signal_connect( GTK_OBJECT(m_widget), "configure_event",
 320         GTK_SIGNAL_FUNC(gtk_dialog_configure_callback), (gpointer)this );
 321
 322     /* disable native tab traversal */
 323     gtk_signal_connect( GTK_OBJECT(m_widget), "focus",
 324         GTK_SIGNAL_FUNC(gtk_dialog_focus_callback), (gpointer)this );
 325
 326     return TRUE;
 327 }
 328
 329 wxDialog::~wxDialog()
 330 {
 331     m_isBeingDeleted = TRUE;
 332
 333     wxTopLevelWindows.DeleteObject( this );
 334
 335     if (wxTheApp->GetTopWindow() == this)
 336     {
 337         wxTheApp->SetTopWindow( (wxWindow*) NULL );
 338     }
 339
 340     if ((wxTopLevelWindows.Number() == 0) &&
 341         (wxTheApp->GetExitOnFrameDelete()))
 342     {
 343         wxTheApp->ExitMainLoop();
 344     }
 345 }
 346
 347 void wxDialog::SetTitle( const wxString& title )
 348 {
 349     m_title = title;
 350     if (m_title.IsNull()) m_title = wxT("");
 351     gtk_window_set_title( GTK_WINDOW(m_widget), m_title.mbc_str() );
 352 }
 353
 354 wxString wxDialog::GetTitle() const
 355 {
 356     return (wxString&)m_title;
 357 }
 358
 359 void wxDialog::OnApply( wxCommandEvent &WXUNUSED(event) )
 360 {
 361     if (Validate()) TransferDataFromWindow();
 362 }
 363
 364 void wxDialog::OnCancel( wxCommandEvent &WXUNUSED(event) )
 365 {
 366     if (IsModal())
 367     {
 368         EndModal(wxID_CANCEL);
 369     }
 370     else
 371     {
 372         SetReturnCode(wxID_CANCEL);
 373         Show(FALSE);
 374     }
 375 }
 376
 377 void wxDialog::OnOK( wxCommandEvent &WXUNUSED(event) )
 378 {
 379     if (Validate() && TransferDataFromWindow())
 380     {
 381         if (IsModal())
 382         {
 383             EndModal(wxID_OK);
 384         }
 385         else
 386         {
 387             SetReturnCode(wxID_OK);
 388             this->Show(FALSE);
 389         }
 390     }
 391 }
 392
 393 void wxDialog::OnPaint( wxPaintEvent& WXUNUSED(event) )
 394 {
 395     // yes
 396 }
 397
 398 void wxDialog::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
 399 {
 400     // We'll send a Cancel message by default,
 401     // which may close the dialog.
 402     // Check for looping if the Cancel event handler calls Close().
 403
 404     // Note that if a cancel button and handler aren't present in the dialog,
 405     // nothing will happen when you close the dialog via the window manager, or
 406     // via Close().
 407     // We wouldn't want to destroy the dialog by default, since the dialog may have been
 408     // created on the stack.
 409     // However, this does mean that calling dialog->Close() won't delete the dialog
 410     // unless the handler for wxID_CANCEL does so. So use Destroy() if you want to be
 411     // sure to destroy the dialog.
 412     // The default OnCancel (above) simply ends a modal dialog, and hides a modeless dialog.
 413
 414     static wxList s_closing;
 415
 416     if (s_closing.Member(this))
 417         return;   // no loops
 418
 419     s_closing.Append(this);
 420
 421     wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
 422     cancelEvent.SetEventObject( this );
 423     GetEventHandler()->ProcessEvent(cancelEvent);
 424     s_closing.DeleteObject(this);
 425 }
 426
 427 bool wxDialog::Destroy()
 428 {
 429     if (!wxPendingDelete.Member(this)) wxPendingDelete.Append(this);
 430
 431     return TRUE;
 432 }
 433
 434 void wxDialog::OnSize( wxSizeEvent &WXUNUSED(event) )
 435 {
 436     wxASSERT_MSG( (m_widget != NULL), wxT("invalid dialog") );
 437
 438 #if wxUSE_CONSTRAINTS
 439     if (GetAutoLayout())
 440     {
 441         Layout();
 442     }
 443     else
 444 #endif // wxUSE_CONSTRAINTS
 445     {
 446         /* no child: go out ! */
 447         if (!GetChildren().First()) return;
 448
 449         /* do we have exactly one child? */
 450         wxWindow *child = (wxWindow *) NULL;
 451         for(wxNode *node = GetChildren().First(); node; node = node->Next())
 452         {
 453             wxWindow *win = (wxWindow *)node->Data();
 454             if (!wxIS_KIND_OF(win,wxFrame) && !wxIS_KIND_OF(win,wxDialog))
 455             {
 456                 /* it's the second one: do nothing */
 457                 if (child) return;
 458                 child = win;
 459             }
 460         }
 461
 462         /* yes: set it's size to fill all the frame */
 463         int client_x, client_y;
 464         GetClientSize( &client_x, &client_y );
 465         child->SetSize( 1, 1, client_x-2, client_y);
 466     }
 467 }
 468
 469 void wxDialog::DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(width), int WXUNUSED(height) )
 470 {
 471     wxFAIL_MSG( wxT("DoMoveWindow called for wxDialog") );
 472 }
 473
 474 void wxDialog::DoSetSize( int x, int y, int width, int height, int sizeFlags )
 475 {
 476     wxASSERT_MSG( (m_widget != NULL), wxT("invalid dialog") );
 477     wxASSERT_MSG( (m_wxwindow != NULL), wxT("invalid dialog") );
 478
 479     if (m_resizing) return; /* I don't like recursions */
 480     m_resizing = TRUE;
 481
 482     int old_x = m_x;
 483     int old_y = m_y;
 484
 485     int old_width = m_width;
 486     int old_height = m_height;
 487
 488     if ((sizeFlags & wxSIZE_ALLOW_MINUS_ONE) == 0)
 489     {
 490         if (x != -1) m_x = x;
 491         if (y != -1) m_y = y;
 492         if (width != -1) m_width = width;
 493         if (height != -1) m_height = height;
 494     }
 495     else
 496     {
 497         m_x = x;
 498         m_y = y;
 499         m_width = width;
 500         m_height = height;
 501     }
 502
 503 /*
 504     if ((sizeFlags & wxSIZE_AUTO_WIDTH) == wxSIZE_AUTO_WIDTH)
 505     {
 506         if (width == -1) m_width = 80;
 507     }
 508
 509     if ((sizeFlags & wxSIZE_AUTO_HEIGHT) == wxSIZE_AUTO_HEIGHT)
 510     {
 511        if (height == -1) m_height = 26;
 512     }
 513 */
 514
 515     if ((m_minWidth != -1) && (m_width < m_minWidth)) m_width = m_minWidth;
 516     if ((m_minHeight != -1) && (m_height < m_minHeight)) m_height = m_minHeight;
 517     if ((m_maxWidth != -1) && (m_width > m_maxWidth)) m_width = m_maxWidth;
 518     if ((m_maxHeight != -1) && (m_height > m_maxHeight)) m_height = m_maxHeight;
 519
 520     if ((m_x != -1) || (m_y != -1))
 521     {
 522         if ((m_x != old_x) || (m_y != old_y))
 523         {
 524             /* we set the position here and when showing the dialog
 525                for the first time in idle time */
 526             gtk_widget_set_uposition( m_widget, m_x, m_y );
 527         }
 528     }
 529
 530     if ((m_width != old_width) || (m_height != old_height))
 531     {
 532         gtk_widget_set_usize( m_widget, m_width, m_height );
 533
 534         /* actual resizing is deferred to GtkOnSize in idle time and
 535            when showing the dialog */
 536         m_sizeSet = FALSE;
 537     }
 538
 539     m_resizing = FALSE;
 540 }
 541
 542 void wxDialog::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y), int width, int height )
 543 {
 544     // due to a bug in gtk, x,y are always 0
 545     // m_x = x;
 546     // m_y = y;
 547
 548     if ((m_height == height) && (m_width == width) && (m_sizeSet)) return;
 549     if (!m_wxwindow) return;
 550
 551     m_width = width;
 552     m_height = height;
 553
 554     if ((m_minWidth != -1) && (m_width < m_minWidth)) m_width = m_minWidth;
 555     if ((m_minHeight != -1) && (m_height < m_minHeight)) m_height = m_minHeight;
 556     if ((m_maxWidth != -1) && (m_width > m_maxWidth)) m_width = m_maxWidth;
 557     if ((m_maxHeight != -1) && (m_height > m_maxHeight)) m_height = m_maxHeight;
 558
 559     m_sizeSet = TRUE;
 560
 561     wxSizeEvent event( wxSize(m_width,m_height), GetId() );
 562     event.SetEventObject( this );
 563     GetEventHandler()->ProcessEvent( event );
 564 }
 565
 566 void wxDialog::OnInternalIdle()
 567 {
 568     if (!m_sizeSet && GTK_WIDGET_REALIZED(m_wxwindow))
 569         GtkOnSize( m_x, m_y, m_width, m_height );
 570
 571     wxWindow::OnInternalIdle();
 572 }
 573
 574 bool wxDialog::Show( bool show )
 575 {
 576     if (!show && IsModal())
 577     {
 578         EndModal( wxID_CANCEL );
 579     }
 580
 581     if (show && !m_sizeSet)
 582     {
 583         /* by calling GtkOnSize here, we don't have to call
 584            either after showing the frame, which would entail
 585            much ugly flicker nor from within the size_allocate
 586            handler, because GTK 1.1.X forbids that. */
 587
 588         GtkOnSize( m_x, m_y, m_width, m_height );
 589     }
 590
 591     bool ret = wxWindow::Show( show );
 592
 593     if (show) InitDialog();
 594
 595     return ret;
 596 }
 597
 598 bool wxDialog::IsModal() const
 599 {
 600     return m_modalShowing;
 601 }
 602
 603 void wxDialog::SetModal( bool WXUNUSED(flag) )
 604 {
 605 /*
 606   if (flag)
 607     m_windowStyle |= wxDIALOG_MODAL;
 608   else
 609     if (m_windowStyle & wxDIALOG_MODAL) m_windowStyle -= wxDIALOG_MODAL;
 610 */
 611     wxFAIL_MSG( wxT("wxDialog:SetModal obsolete now") );
 612 }
 613
 614 int wxDialog::ShowModal()
 615 {
 616     if (IsModal())
 617     {
 618        wxFAIL_MSG( wxT("wxDialog:ShowModal called twice") );
 619        return GetReturnCode();
 620     }
 621
 622     wxBusyCursorSuspender cs; // temporarily suppress the busy cursor
 623
 624     Show( TRUE );
 625
 626     m_modalShowing = TRUE;
 627
 628     g_openDialogs++;
 629
 630     gtk_grab_add( m_widget );
 631     gtk_main();
 632     gtk_grab_remove( m_widget );
 633
 634     g_openDialogs--;
 635
 636     return GetReturnCode();
 637 }
 638
 639 void wxDialog::EndModal( int retCode )
 640 {
 641     SetReturnCode( retCode );
 642
 643     if (!IsModal())
 644     {
 645         wxFAIL_MSG( wxT("wxDialog:EndModal called twice") );
 646         return;
 647     }
 648
 649     m_modalShowing = FALSE;
 650
 651     gtk_main_quit();
 652
 653     Show( FALSE );
 654 }
 655
 656 void wxDialog::InitDialog()
 657 {
 658     wxWindow::InitDialog();
 659 }
 660
 661 void wxDialog::SetIcon( const wxIcon &icon )
 662 {
 663     m_icon = icon;
 664     if (!icon.Ok()) return;
 665
 666     if (!m_widget->window) return;
 667
 668     wxMask *mask = icon.GetMask();
 669     GdkBitmap *bm = (GdkBitmap *) NULL;
 670     if (mask) bm = mask->GetBitmap();
 671
 672     gdk_window_set_icon( m_widget->window, (GdkWindow *) NULL, icon.GetPixmap(), bm );
 673 }