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 * WXUNUSED(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     /* reset the icon */
 179     if (win->m_icon != wxNullIcon)
 180     {
 181         wxIcon icon( win->m_icon );
 182         win->m_icon = wxNullIcon;
 183         win->SetIcon( icon );
 184     }
 185
 186     return FALSE;
 187 }
 188
 189 //-----------------------------------------------------------------------------
 190 // InsertChild for wxDialog
 191 //-----------------------------------------------------------------------------
 192
 193 /* Callback for wxFrame. This very strange beast has to be used because
 194  * C++ has no virtual methods in a constructor. We have to emulate a
 195  * virtual function here as wxWindows requires different ways to insert
 196  * a child in container classes. */
 197
 198 static void wxInsertChildInDialog( wxDialog* parent, wxWindow* child )
 199 {
 200     gtk_pizza_put( GTK_PIZZA(parent->m_wxwindow),
 201                      GTK_WIDGET(child->m_widget),
 202                      child->m_x,
 203                      child->m_y,
 204                      child->m_width,
 205                      child->m_height );
 206
 207     if (parent->HasFlag(wxTAB_TRAVERSAL))
 208     {
 209         /* we now allow a window to get the focus as long as it
 210            doesn't have any children. */
 211         GTK_WIDGET_UNSET_FLAGS( parent->m_wxwindow, GTK_CAN_FOCUS );
 212     }
 213 }
 214
 215 //-----------------------------------------------------------------------------
 216 // wxDialog
 217 //-----------------------------------------------------------------------------
 218
 219 BEGIN_EVENT_TABLE(wxDialog,wxPanel)
 220     EVT_BUTTON  (wxID_OK,       wxDialog::OnOK)
 221     EVT_BUTTON  (wxID_CANCEL,   wxDialog::OnCancel)
 222     EVT_BUTTON  (wxID_APPLY,    wxDialog::OnApply)
 223     EVT_SIZE    (wxDialog::OnSize)
 224     EVT_CLOSE   (wxDialog::OnCloseWindow)
 225 END_EVENT_TABLE()
 226
 227 IMPLEMENT_DYNAMIC_CLASS(wxDialog,wxPanel)
 228
 229 void wxDialog::Init()
 230 {
 231     m_returnCode = 0;
 232     m_sizeSet = FALSE;
 233     m_modalShowing = FALSE;
 234 }
 235
 236 wxDialog::wxDialog( wxWindow *parent,
 237                     wxWindowID id, const wxString &title,
 238                     const wxPoint &pos, const wxSize &size,
 239                     long style, const wxString &name )
 240 {
 241     Init();
 242
 243     Create( parent, id, title, pos, size, style, name );
 244 }
 245
 246 bool wxDialog::Create( wxWindow *parent,
 247                        wxWindowID id, const wxString &title,
 248                        const wxPoint &pos, const wxSize &size,
 249                        long style, const wxString &name )
 250 {
 251     wxTopLevelWindows.Append( this );
 252
 253     m_needParent = FALSE;
 254
 255     if (!PreCreation( parent, pos, size ) ||
 256         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 257     {
 258         wxFAIL_MSG( wxT("wxDialog creation failed") );
 259         return FALSE;
 260     }
 261
 262     // All dialogs should really have this style
 263     m_windowStyle |= wxTAB_TRAVERSAL;
 264
 265     m_insertCallback = (wxInsertChildFunction) wxInsertChildInDialog;
 266
 267     m_widget = gtk_window_new( GTK_WINDOW_DIALOG );
 268
 269     if ((m_parent) && (GTK_IS_WINDOW(m_parent->m_widget)))
 270         gtk_window_set_transient_for( GTK_WINDOW(m_widget), GTK_WINDOW(m_parent->m_widget) );
 271
 272     if (!name.IsEmpty())
 273         gtk_window_set_wmclass( GTK_WINDOW(m_widget), name.mb_str(), name.mb_str() );
 274
 275     GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
 276
 277     gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
 278         GTK_SIGNAL_FUNC(gtk_dialog_delete_callback), (gpointer)this );
 279
 280     m_wxwindow = gtk_pizza_new();
 281     gtk_widget_show( m_wxwindow );
 282     GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS );
 283
 284     gtk_container_add( GTK_CONTAINER(m_widget), m_wxwindow );
 285
 286     SetTitle( title );
 287
 288     if (m_parent) m_parent->AddChild( this );
 289
 290     PostCreation();
 291
 292     if ((m_x != -1) || (m_y != -1))
 293         gtk_widget_set_uposition( m_widget, m_x, m_y );
 294     gtk_widget_set_usize( m_widget, m_width, m_height );
 295
 296     /*  we cannot set MWM hints  before the widget has
 297         been realized, so we do this directly after realization */
 298     gtk_signal_connect( GTK_OBJECT(m_widget), "realize",
 299                         GTK_SIGNAL_FUNC(gtk_dialog_realized_callback), (gpointer) this );
 300
 301     /* the user resized the frame by dragging etc. */
 302     gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate",
 303         GTK_SIGNAL_FUNC(gtk_dialog_size_callback), (gpointer)this );
 304
 305     gtk_signal_connect( GTK_OBJECT(m_widget), "configure_event",
 306         GTK_SIGNAL_FUNC(gtk_dialog_configure_callback), (gpointer)this );
 307
 308     /* disable native tab traversal */
 309     gtk_signal_connect( GTK_OBJECT(m_widget), "focus",
 310         GTK_SIGNAL_FUNC(gtk_dialog_focus_callback), (gpointer)this );
 311
 312     return TRUE;
 313 }
 314
 315 wxDialog::~wxDialog()
 316 {
 317     CleanUp();
 318
 319     if ((wxTopLevelWindows.Number() == 0) &&
 320         (wxTheApp->GetExitOnFrameDelete()))
 321     {
 322         wxTheApp->ExitMainLoop();
 323     }
 324 }
 325
 326 void wxDialog::SetTitle( const wxString& title )
 327 {
 328     m_title = title;
 329     gtk_window_set_title( GTK_WINDOW(m_widget), m_title.mbc_str() );
 330 }
 331
 332 wxString wxDialog::GetTitle() const
 333 {
 334     return m_title;
 335 }
 336
 337 void wxDialog::OnApply( wxCommandEvent &WXUNUSED(event) )
 338 {
 339     if (Validate()) TransferDataFromWindow();
 340 }
 341
 342 void wxDialog::OnCancel( wxCommandEvent &WXUNUSED(event) )
 343 {
 344     if (IsModal())
 345     {
 346         EndModal(wxID_CANCEL);
 347     }
 348     else
 349     {
 350         SetReturnCode(wxID_CANCEL);
 351         Show(FALSE);
 352     }
 353 }
 354
 355 void wxDialog::OnOK( wxCommandEvent &WXUNUSED(event) )
 356 {
 357     if (Validate() && TransferDataFromWindow())
 358     {
 359         if (IsModal())
 360         {
 361             EndModal(wxID_OK);
 362         }
 363         else
 364         {
 365             SetReturnCode(wxID_OK);
 366             Show(FALSE);
 367         }
 368     }
 369 }
 370
 371 void wxDialog::OnPaint( wxPaintEvent& WXUNUSED(event) )
 372 {
 373     // yes
 374 }
 375
 376 void wxDialog::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
 377 {
 378     // We'll send a Cancel message by default,
 379     // which may close the dialog.
 380     // Check for looping if the Cancel event handler calls Close().
 381
 382     // Note that if a cancel button and handler aren't present in the dialog,
 383     // nothing will happen when you close the dialog via the window manager, or
 384     // via Close().
 385     // We wouldn't want to destroy the dialog by default, since the dialog may have been
 386     // created on the stack.
 387     // However, this does mean that calling dialog->Close() won't delete the dialog
 388     // unless the handler for wxID_CANCEL does so. So use Destroy() if you want to be
 389     // sure to destroy the dialog.
 390     // The default OnCancel (above) simply ends a modal dialog, and hides a modeless dialog.
 391
 392     static wxList s_closing;
 393
 394     if (s_closing.Member(this))
 395         return;   // no loops
 396
 397     s_closing.Append(this);
 398
 399     wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
 400     cancelEvent.SetEventObject( this );
 401     GetEventHandler()->ProcessEvent(cancelEvent);
 402     s_closing.DeleteObject(this);
 403 }
 404
 405 bool wxDialog::Destroy()
 406 {
 407     // schedule the dialog for the deletion
 408     if ( !wxPendingDelete.Member(this) )
 409     {
 410         wxPendingDelete.Append(this);
 411     }
 412
 413     // don't leave a dangling pointer as the app top window, we can be deleted
 414     // any moment at all now!
 415     CleanUp();
 416
 417     return TRUE;
 418 }
 419
 420 void wxDialog::CleanUp()
 421 {
 422     m_isBeingDeleted = TRUE;
 423
 424     if ( wxTheApp->GetTopWindow() == this )
 425     {
 426         wxTheApp->SetTopWindow( (wxWindow*) NULL );
 427     }
 428
 429     wxTopLevelWindows.DeleteObject( this );
 430 }
 431
 432 void wxDialog::OnSize( wxSizeEvent &WXUNUSED(event) )
 433 {
 434     wxASSERT_MSG( (m_widget != NULL), wxT("invalid dialog") );
 435
 436 #if wxUSE_CONSTRAINTS
 437     if (GetAutoLayout())
 438     {
 439         Layout();
 440     }
 441     else
 442 #endif // wxUSE_CONSTRAINTS
 443     {
 444         /* no child: go out ! */
 445         if (!GetChildren().First()) return;
 446
 447         /* do we have exactly one child? */
 448         wxWindow *child = (wxWindow *) NULL;
 449         for(wxNode *node = GetChildren().First(); node; node = node->Next())
 450         {
 451             wxWindow *win = (wxWindow *)node->Data();
 452             if (!wxIS_KIND_OF(win,wxFrame) && !wxIS_KIND_OF(win,wxDialog))
 453             {
 454                 /* it's the second one: do nothing */
 455                 if (child) return;
 456                 child = win;
 457             }
 458         }
 459
 460         /* yes: set it's size to fill all the frame */
 461         int client_x, client_y;
 462         GetClientSize( &client_x, &client_y );
 463         child->SetSize( 1, 1, client_x-2, client_y);
 464     }
 465 }
 466
 467 void wxDialog::DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(width), int WXUNUSED(height) )
 468 {
 469     wxFAIL_MSG( wxT("DoMoveWindow called for wxDialog") );
 470 }
 471
 472 void wxDialog::DoSetSize( int x, int y, int width, int height, int sizeFlags )
 473 {
 474     wxASSERT_MSG( (m_widget != NULL), wxT("invalid dialog") );
 475     wxASSERT_MSG( (m_wxwindow != NULL), wxT("invalid dialog") );
 476
 477     if (m_resizing) return; /* I don't like recursions */
 478     m_resizing = TRUE;
 479
 480     int old_x = m_x;
 481     int old_y = m_y;
 482
 483     int old_width = m_width;
 484     int old_height = m_height;
 485
 486     if ((sizeFlags & wxSIZE_ALLOW_MINUS_ONE) == 0)
 487     {
 488         if (x != -1) m_x = x;
 489         if (y != -1) m_y = y;
 490         if (width != -1) m_width = width;
 491         if (height != -1) m_height = height;
 492     }
 493     else
 494     {
 495         m_x = x;
 496         m_y = y;
 497         m_width = width;
 498         m_height = height;
 499     }
 500
 501 /*
 502     if ((sizeFlags & wxSIZE_AUTO_WIDTH) == wxSIZE_AUTO_WIDTH)
 503     {
 504         if (width == -1) m_width = 80;
 505     }
 506
 507     if ((sizeFlags & wxSIZE_AUTO_HEIGHT) == wxSIZE_AUTO_HEIGHT)
 508     {
 509        if (height == -1) m_height = 26;
 510     }
 511 */
 512
 513     if ((m_minWidth != -1) && (m_width < m_minWidth)) m_width = m_minWidth;
 514     if ((m_minHeight != -1) && (m_height < m_minHeight)) m_height = m_minHeight;
 515     if ((m_maxWidth != -1) && (m_width > m_maxWidth)) m_width = m_maxWidth;
 516     if ((m_maxHeight != -1) && (m_height > m_maxHeight)) m_height = m_maxHeight;
 517
 518     if ((m_x != -1) || (m_y != -1))
 519     {
 520         if ((m_x != old_x) || (m_y != old_y))
 521         {
 522             /* we set the position here and when showing the dialog
 523                for the first time in idle time */
 524             gtk_widget_set_uposition( m_widget, m_x, m_y );
 525         }
 526     }
 527
 528     if ((m_width != old_width) || (m_height != old_height))
 529     {
 530         gtk_widget_set_usize( m_widget, m_width, m_height );
 531
 532         /* actual resizing is deferred to GtkOnSize in idle time and
 533            when showing the dialog */
 534         m_sizeSet = FALSE;
 535     }
 536
 537     m_resizing = FALSE;
 538 }
 539
 540 void wxDialog::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y), int width, int height )
 541 {
 542     // due to a bug in gtk, x,y are always 0
 543     // m_x = x;
 544     // m_y = y;
 545
 546     if ((m_height == height) && (m_width == width) && (m_sizeSet)) return;
 547     if (!m_wxwindow) return;
 548
 549     m_width = width;
 550     m_height = height;
 551
 552     if ((m_minWidth != -1) && (m_width < m_minWidth)) m_width = m_minWidth;
 553     if ((m_minHeight != -1) && (m_height < m_minHeight)) m_height = m_minHeight;
 554     if ((m_maxWidth != -1) && (m_width > m_maxWidth)) m_width = m_maxWidth;
 555     if ((m_maxHeight != -1) && (m_height > m_maxHeight)) m_height = m_maxHeight;
 556
 557     /* set size hints */
 558     gint flag = 0; // GDK_HINT_POS;
 559     if ((m_minWidth != -1) || (m_minHeight != -1)) flag |= GDK_HINT_MIN_SIZE;
 560     if ((m_maxWidth != -1) || (m_maxHeight != -1)) flag |= GDK_HINT_MAX_SIZE;
 561     GdkGeometry geom;
 562     geom.min_width = m_minWidth;
 563     geom.min_height = m_minHeight;
 564     geom.max_width = m_maxWidth;
 565     geom.max_height = m_maxHeight;
 566     gtk_window_set_geometry_hints( GTK_WINDOW(m_widget),
 567                                    (GtkWidget*) NULL,
 568                                    &geom,
 569                                    (GdkWindowHints) flag );
 570
 571     m_sizeSet = TRUE;
 572
 573     wxSizeEvent event( wxSize(m_width,m_height), GetId() );
 574     event.SetEventObject( this );
 575     GetEventHandler()->ProcessEvent( event );
 576 }
 577
 578 void wxDialog::OnInternalIdle()
 579 {
 580     if (!m_sizeSet && GTK_WIDGET_REALIZED(m_wxwindow))
 581         GtkOnSize( m_x, m_y, m_width, m_height );
 582
 583     wxWindow::OnInternalIdle();
 584 }
 585
 586 bool wxDialog::Show( bool show )
 587 {
 588     if (!show && IsModal())
 589     {
 590         EndModal( wxID_CANCEL );
 591     }
 592
 593     if (show && !m_sizeSet)
 594     {
 595         /* by calling GtkOnSize here, we don't have to call
 596            either after showing the frame, which would entail
 597            much ugly flicker nor from within the size_allocate
 598            handler, because GTK 1.1.X forbids that. */
 599
 600         GtkOnSize( m_x, m_y, m_width, m_height );
 601     }
 602
 603     bool ret = wxWindow::Show( show );
 604
 605     if (show) InitDialog();
 606
 607     return ret;
 608 }
 609
 610 bool wxDialog::IsModal() const
 611 {
 612     return m_modalShowing;
 613 }
 614
 615 void wxDialog::SetModal( bool WXUNUSED(flag) )
 616 {
 617 /*
 618   if (flag)
 619     m_windowStyle |= wxDIALOG_MODAL;
 620   else
 621     if (m_windowStyle & wxDIALOG_MODAL) m_windowStyle -= wxDIALOG_MODAL;
 622 */
 623     wxFAIL_MSG( wxT("wxDialog:SetModal obsolete now") );
 624 }
 625
 626 int wxDialog::ShowModal()
 627 {
 628     if (IsModal())
 629     {
 630        wxFAIL_MSG( wxT("wxDialog:ShowModal called twice") );
 631        return GetReturnCode();
 632     }
 633
 634     if ( !GetParent() )
 635     {
 636         wxWindow *parent = wxTheApp->GetTopWindow();
 637         if ( parent && parent != this )
 638         {
 639             m_parent = parent;
 640             gtk_window_set_transient_for( GTK_WINDOW(m_widget), GTK_WINDOW(parent->m_widget) );
 641         }
 642     }
 643
 644     wxBusyCursorSuspender cs; // temporarily suppress the busy cursor
 645
 646     Show( TRUE );
 647
 648     m_modalShowing = TRUE;
 649
 650     g_openDialogs++;
 651
 652     gtk_grab_add( m_widget );
 653     gtk_main();
 654     gtk_grab_remove( m_widget );
 655
 656     g_openDialogs--;
 657
 658     return GetReturnCode();
 659 }
 660
 661 void wxDialog::EndModal( int retCode )
 662 {
 663     SetReturnCode( retCode );
 664
 665     if (!IsModal())
 666     {
 667         wxFAIL_MSG( wxT("wxDialog:EndModal called twice") );
 668         return;
 669     }
 670
 671     m_modalShowing = FALSE;
 672
 673     gtk_main_quit();
 674
 675     Show( FALSE );
 676 }
 677
 678 void wxDialog::InitDialog()
 679 {
 680     wxWindow::InitDialog();
 681 }
 682
 683 void wxDialog::SetIcon( const wxIcon &icon )
 684 {
 685     m_icon = icon;
 686     if (!icon.Ok()) return;
 687
 688     if (!m_widget->window) return;
 689
 690     wxMask *mask = icon.GetMask();
 691     GdkBitmap *bm = (GdkBitmap *) NULL;
 692     if (mask) bm = mask->GetBitmap();
 693
 694     gdk_window_set_icon( m_widget->window, (GdkWindow *) NULL, icon.GetPixmap(), bm );
 695 }