src/gtk/radiobox.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        radiobox.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  11 #pragma implementation "radiobox.h"
  12 #endif
  13
  14 // For compilers that support precompilation, includes "wx.h".
  15 #include "wx/wxprec.h"
  16
  17 #if wxUSE_RADIOBOX
  18
  19 #include "wx/radiobox.h"
  20
  21 #include "wx/dialog.h"
  22 #include "wx/frame.h"
  23 #include "wx/log.h"
  24
  25 #include "wx/gtk/private.h"
  26 #include <gdk/gdkkeysyms.h>
  27
  28 #include "wx/gtk/win_gtk.h"
  29
  30 //-----------------------------------------------------------------------------
  31 // idle system
  32 //-----------------------------------------------------------------------------
  33
  34 extern void wxapp_install_idle_handler();
  35 extern bool g_isIdle;
  36
  37 //-----------------------------------------------------------------------------
  38 // data
  39 //-----------------------------------------------------------------------------
  40
  41 extern bool          g_blockEventsOnDrag;
  42 extern wxWindowGTK  *g_delayedFocus;
  43
  44 //-----------------------------------------------------------------------------
  45 // "clicked"
  46 //-----------------------------------------------------------------------------
  47
  48 static void gtk_radiobutton_clicked_callback( GtkToggleButton *button, wxRadioBox *rb )
  49 {
  50     if (g_isIdle) wxapp_install_idle_handler();
  51
  52     if (!rb->m_hasVMT) return;
  53     if (g_blockEventsOnDrag) return;
  54
  55     if (!button->active) return;
  56
  57     wxCommandEvent event( wxEVT_COMMAND_RADIOBOX_SELECTED, rb->GetId() );
  58     event.SetInt( rb->GetSelection() );
  59     event.SetString( rb->GetStringSelection() );
  60     event.SetEventObject( rb );
  61     rb->GetEventHandler()->ProcessEvent(event);
  62 }
  63
  64 //-----------------------------------------------------------------------------
  65 // "key_press_event"
  66 //-----------------------------------------------------------------------------
  67
  68 static gint gtk_radiobox_keypress_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxRadioBox *rb )
  69 {
  70     if (g_isIdle)
  71         wxapp_install_idle_handler();
  72
  73     if (!rb->m_hasVMT) return FALSE;
  74     if (g_blockEventsOnDrag) return FALSE;
  75
  76     if ((gdk_event->keyval != GDK_Up) &&
  77         (gdk_event->keyval != GDK_Down) &&
  78         (gdk_event->keyval != GDK_Left) &&
  79         (gdk_event->keyval != GDK_Right))
  80     {
  81         return FALSE;
  82     }
  83
  84     wxList::compatibility_iterator node = rb->m_boxes.Find( (wxObject*) widget );
  85     if (!node)
  86     {
  87         return FALSE;
  88     }
  89
  90     gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_press_event" );
  91
  92     if ((gdk_event->keyval == GDK_Up) ||
  93         (gdk_event->keyval == GDK_Left))
  94     {
  95         if (node == rb->m_boxes.GetFirst())
  96             node = rb->m_boxes.GetLast();
  97         else
  98             node = node->GetPrevious();
  99     }
 100     else
 101     {
 102         if (node == rb->m_boxes.GetLast())
 103             node = rb->m_boxes.GetFirst();
 104         else
 105             node = node->GetNext();
 106     }
 107
 108     GtkWidget *button = (GtkWidget*) node->GetData();
 109
 110     gtk_widget_grab_focus( button );
 111
 112     return TRUE;
 113 }
 114
 115 static gint gtk_radiobutton_focus_in( GtkWidget *widget,
 116                                       GdkEvent *WXUNUSED(event),
 117                                       wxRadioBox *win )
 118 {
 119     if ( win->m_lostFocus )
 120     {
 121         // no, we didn't really lose it
 122         win->m_lostFocus = FALSE;
 123     }
 124     else if ( !win->m_hasFocus )
 125     {
 126         win->m_hasFocus = TRUE;
 127
 128         wxFocusEvent event( wxEVT_SET_FOCUS, win->GetId() );
 129         event.SetEventObject( win );
 130
 131         // never stop the signal emission, it seems to break the kbd handling
 132         // inside the radiobox
 133         (void)win->GetEventHandler()->ProcessEvent( event );
 134     }
 135
 136     return FALSE;
 137 }
 138
 139 static gint gtk_radiobutton_focus_out( GtkWidget *widget,
 140                                        GdkEvent *WXUNUSED(event),
 141                                        wxRadioBox *win )
 142 {
 143   //    wxASSERT_MSG( win->m_hasFocus, _T("got focus out without any focus in?") );
 144   // Replace with a warning, else we dump core a lot!
 145   //  if (!win->m_hasFocus)
 146   //      wxLogWarning(_T("Radiobox got focus out without any focus in.") );
 147
 148     // we might have lost the focus, but may be not - it may have just gone to
 149     // another button in the same radiobox, so we'll check for it in the next
 150     // idle iteration (leave m_hasFocus == TRUE for now)
 151     win->m_lostFocus = TRUE;
 152
 153     return FALSE;
 154 }
 155
 156 //-----------------------------------------------------------------------------
 157 // wxRadioBox
 158 //-----------------------------------------------------------------------------
 159
 160 IMPLEMENT_DYNAMIC_CLASS(wxRadioBox,wxControl)
 161
 162 void wxRadioBox::Init()
 163 {
 164     m_needParent = TRUE;
 165     m_acceptsFocus = TRUE;
 166
 167     m_hasFocus =
 168     m_lostFocus = FALSE;
 169 }
 170
 171 bool wxRadioBox::Create( wxWindow *parent, wxWindowID id, const wxString& title,
 172                          const wxPoint &pos, const wxSize &size,
 173                          int n, const wxString choices[], int majorDim,
 174                          long style, const wxValidator& validator,
 175                          const wxString &name )
 176 {
 177     if (!PreCreation( parent, pos, size ) ||
 178         !CreateBase( parent, id, pos, size, style, validator, name ))
 179     {
 180         wxFAIL_MSG( wxT("wxRadioBox creation failed") );
 181         return FALSE;
 182     }
 183
 184     m_widget = gtk_frame_new( wxGTK_CONV( title ) );
 185
 186     // majorDim may be 0 if all trailing parameters were omitted, so don't
 187     // assert here but just use the correct value for it
 188     m_majorDim = majorDim == 0 ? n : majorDim;
 189
 190     GtkRadioButton *m_radio = (GtkRadioButton*) NULL;
 191
 192     wxString label;
 193     GSList *radio_button_group = (GSList *) NULL;
 194     for (int i = 0; i < n; i++)
 195     {
 196         if ( i != 0 )
 197             radio_button_group = gtk_radio_button_group( GTK_RADIO_BUTTON(m_radio) );
 198
 199         label.Empty();
 200         for ( const wxChar *pc = choices[i]; *pc; pc++ )
 201         {
 202             if ( *pc != wxT('&') )
 203                 label += *pc;
 204         }
 205
 206         m_radio = GTK_RADIO_BUTTON( gtk_radio_button_new_with_label( radio_button_group, wxGTK_CONV( label ) ) );
 207
 208         gtk_signal_connect( GTK_OBJECT(m_radio), "key_press_event",
 209            GTK_SIGNAL_FUNC(gtk_radiobox_keypress_callback), (gpointer)this );
 210
 211         m_boxes.Append( (wxObject*) m_radio );
 212
 213         ConnectWidget( GTK_WIDGET(m_radio) );
 214
 215         if (!i) gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_radio), TRUE );
 216
 217         gtk_signal_connect( GTK_OBJECT(m_radio), "clicked",
 218             GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback), (gpointer*)this );
 219
 220         gtk_signal_connect( GTK_OBJECT(m_radio), "focus_in_event",
 221             GTK_SIGNAL_FUNC(gtk_radiobutton_focus_in), (gpointer)this );
 222
 223         gtk_signal_connect( GTK_OBJECT(m_radio), "focus_out_event",
 224             GTK_SIGNAL_FUNC(gtk_radiobutton_focus_out), (gpointer)this );
 225
 226         gtk_pizza_put( GTK_PIZZA(m_parent->m_wxwindow),
 227                          GTK_WIDGET(m_radio),
 228                          m_x+10, m_y+10+(i*24), 10, 10 );
 229     }
 230
 231     m_parent->DoAddChild( this );
 232
 233     PostCreation();
 234
 235     ApplyWidgetStyle();
 236
 237     SetLabel( title );
 238
 239     SetFont( parent->GetFont() );
 240
 241     wxSize ls = LayoutItems();
 242
 243     GtkRequisition req;
 244     req.width = 2;
 245     req.height = 2;
 246     (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_widget) )->size_request ) (m_widget, &req );
 247     if (req.width > ls.x) ls.x = req.width;
 248
 249     wxSize newSize = size;
 250     if (newSize.x == -1) newSize.x = ls.x;
 251     if (newSize.y == -1) newSize.y = ls.y;
 252     SetSize( newSize.x, newSize.y );
 253
 254     SetBackgroundColour( parent->GetBackgroundColour() );
 255     SetForegroundColour( parent->GetForegroundColour() );
 256
 257     Show( TRUE );
 258
 259     return TRUE;
 260 }
 261
 262 wxRadioBox::~wxRadioBox()
 263 {
 264     wxList::compatibility_iterator node = m_boxes.GetFirst();
 265     while (node)
 266     {
 267         GtkWidget *button = GTK_WIDGET( node->GetData() );
 268         gtk_widget_destroy( button );
 269         node = node->GetNext();
 270     }
 271 }
 272
 273 void wxRadioBox::DoSetSize( int x, int y, int width, int height, int sizeFlags )
 274 {
 275     wxWindow::DoSetSize( x, y, width, height, sizeFlags );
 276
 277     LayoutItems();
 278 }
 279
 280 wxSize wxRadioBox::LayoutItems()
 281 {
 282     int x = 7;
 283     int y = 15;
 284
 285     if ( m_majorDim == 0 )
 286     {
 287         // avoid dividing by 0 below
 288         wxFAIL_MSG( wxT("dimension of radiobox should not be 0!") );
 289
 290         m_majorDim = 1;
 291     }
 292
 293     int num_per_major = (m_boxes.GetCount() - 1) / m_majorDim +1;
 294
 295     wxSize res( 0, 0 );
 296
 297     int num_of_cols = 0;
 298     int num_of_rows = 0;
 299     if (HasFlag(wxRA_SPECIFY_COLS))
 300     {
 301         num_of_cols = m_majorDim;
 302         num_of_rows = num_per_major;
 303     }
 304     else
 305     {
 306         num_of_cols = num_per_major;
 307         num_of_rows = m_majorDim;
 308     }
 309
 310     if ( HasFlag(wxRA_SPECIFY_COLS) ||
 311          (HasFlag(wxRA_SPECIFY_ROWS) && (num_of_cols > 1)) )
 312     {
 313         for (int j = 0; j < num_of_cols; j++)
 314         {
 315             y = 15;
 316
 317             int max_len = 0;
 318             wxList::compatibility_iterator node = m_boxes.Item( j*num_of_rows );
 319             for (int i1 = 0; i1< num_of_rows; i1++)
 320             {
 321                 GtkWidget *button = GTK_WIDGET( node->GetData() );
 322
 323                 GtkRequisition req;
 324                 req.width = 2;
 325                 req.height = 2;
 326                 (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(button) )->size_request )
 327                       (button, &req );
 328
 329                 if (req.width > max_len) max_len = req.width;
 330
 331                 gtk_pizza_move( GTK_PIZZA(m_parent->m_wxwindow), button, m_x+x, m_y+y );
 332                 y += req.height;
 333
 334                 node = node->GetNext();
 335                 if (!node) break;
 336             }
 337
 338             // we don't know the max_len before
 339
 340             node = m_boxes.Item( j*num_of_rows );
 341             for (int i2 = 0; i2< num_of_rows; i2++)
 342             {
 343                 GtkWidget *button = GTK_WIDGET( node->GetData() );
 344
 345                 gtk_pizza_resize( GTK_PIZZA(m_parent->m_wxwindow), button, max_len, 20 );
 346
 347                 node = node->GetNext();
 348                 if (!node) break;
 349             }
 350
 351             if (y > res.y) res.y = y;
 352
 353             x += max_len + 2;
 354         }
 355
 356         res.x = x+4;
 357         res.y += 4;
 358     }
 359     else
 360     {
 361         int max = 0;
 362
 363         wxList::compatibility_iterator node = m_boxes.GetFirst();
 364         while (node)
 365         {
 366             GtkWidget *button = GTK_WIDGET( node->GetData() );
 367
 368             GtkRequisition req;
 369             req.width = 2;
 370             req.height = 2;
 371             (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(button) )->size_request )
 372                   (button, &req );
 373
 374             if (req.width > max) max = req.width;
 375
 376             node = node->GetNext();
 377         }
 378
 379         node = m_boxes.GetFirst();
 380         while (node)
 381         {
 382             GtkWidget *button = GTK_WIDGET( node->GetData() );
 383
 384             gtk_pizza_set_size( GTK_PIZZA(m_parent->m_wxwindow), button, m_x+x, m_y+y, max, 20 );
 385             x += max;
 386
 387             node = node->GetNext();
 388         }
 389         res.x = x+4;
 390         res.y = 40;
 391     }
 392
 393     return res;
 394 }
 395
 396 bool wxRadioBox::Show( bool show )
 397 {
 398     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid radiobox") );
 399
 400     if (!wxControl::Show(show))
 401     {
 402         // nothing to do
 403         return FALSE;
 404     }
 405
 406     if ((m_windowStyle & wxNO_BORDER) != 0)
 407         gtk_widget_hide( m_widget );
 408
 409     wxList::compatibility_iterator node = m_boxes.GetFirst();
 410     while (node)
 411     {
 412         GtkWidget *button = GTK_WIDGET( node->GetData() );
 413
 414         if (show) gtk_widget_show( button ); else gtk_widget_hide( button );
 415
 416         node = node->GetNext();
 417     }
 418
 419     return TRUE;
 420 }
 421
 422 int wxRadioBox::FindString( const wxString &find ) const
 423 {
 424     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid radiobox") );
 425
 426     int count = 0;
 427
 428     wxList::compatibility_iterator node = m_boxes.GetFirst();
 429     while (node)
 430     {
 431         GtkLabel *label = GTK_LABEL( BUTTON_CHILD(node->GetData()) );
 432 #ifdef __WXGTK20__
 433         wxString str( wxGTK_CONV_BACK( gtk_label_get_text(label) ) );
 434 #else
 435         wxString str( label->label );
 436 #endif
 437         if (find == str)
 438             return count;
 439
 440         count++;
 441
 442         node = node->GetNext();
 443     }
 444
 445     return -1;
 446 }
 447
 448 void wxRadioBox::SetFocus()
 449 {
 450     wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") );
 451
 452     if (m_boxes.GetCount() == 0) return;
 453
 454     wxList::compatibility_iterator node = m_boxes.GetFirst();
 455     while (node)
 456     {
 457         GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->GetData() );
 458         if (button->active)
 459         {
 460             gtk_widget_grab_focus( GTK_WIDGET(button) );
 461             return;
 462         }
 463         node = node->GetNext();
 464     }
 465 }
 466
 467 void wxRadioBox::SetSelection( int n )
 468 {
 469     wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") );
 470
 471     wxList::compatibility_iterator node = m_boxes.Item( n );
 472
 473     wxCHECK_RET( node, wxT("radiobox wrong index") );
 474
 475     GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->GetData() );
 476
 477     GtkDisableEvents();
 478
 479     gtk_toggle_button_set_active( button, 1 );
 480
 481     GtkEnableEvents();
 482 }
 483
 484 int wxRadioBox::GetSelection(void) const
 485 {
 486     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid radiobox") );
 487
 488     int count = 0;
 489
 490     wxList::compatibility_iterator node = m_boxes.GetFirst();
 491     while (node)
 492     {
 493         GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->GetData() );
 494         if (button->active) return count;
 495         count++;
 496         node = node->GetNext();
 497     }
 498
 499     wxFAIL_MSG( wxT("wxRadioBox none selected") );
 500
 501     return -1;
 502 }
 503
 504 wxString wxRadioBox::GetString( int n ) const
 505 {
 506     wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid radiobox") );
 507
 508     wxList::compatibility_iterator node = m_boxes.Item( n );
 509
 510     wxCHECK_MSG( node, wxT(""), wxT("radiobox wrong index") );
 511
 512     GtkLabel *label = GTK_LABEL( BUTTON_CHILD(node->GetData()) );
 513
 514 #ifdef __WXGTK20__
 515     wxString str( wxGTK_CONV_BACK( gtk_label_get_text(label) ) );
 516 #else
 517     wxString str( label->label );
 518 #endif
 519
 520     return str;
 521 }
 522
 523 void wxRadioBox::SetLabel( const wxString& label )
 524 {
 525     wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") );
 526
 527     wxControl::SetLabel( label );
 528
 529     gtk_frame_set_label( GTK_FRAME(m_widget), wxGTK_CONV( wxControl::GetLabel() ) );
 530 }
 531
 532 void wxRadioBox::SetString( int item, const wxString& label )
 533 {
 534     wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") );
 535
 536     wxList::compatibility_iterator node = m_boxes.Item( item );
 537
 538     wxCHECK_RET( node, wxT("radiobox wrong index") );
 539
 540     GtkLabel *g_label = GTK_LABEL( BUTTON_CHILD(node->GetData()) );
 541
 542     gtk_label_set( g_label, wxGTK_CONV( label ) );
 543 }
 544
 545 bool wxRadioBox::Enable( bool enable )
 546 {
 547     if ( !wxControl::Enable( enable ) )
 548         return FALSE;
 549
 550     wxList::compatibility_iterator node = m_boxes.GetFirst();
 551     while (node)
 552     {
 553         GtkButton *button = GTK_BUTTON( node->GetData() );
 554         GtkLabel *label = GTK_LABEL( BUTTON_CHILD(button) );
 555
 556         gtk_widget_set_sensitive( GTK_WIDGET(button), enable );
 557         gtk_widget_set_sensitive( GTK_WIDGET(label), enable );
 558         node = node->GetNext();
 559     }
 560
 561     return TRUE;
 562 }
 563
 564 void wxRadioBox::Enable( int item, bool enable )
 565 {
 566     wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") );
 567
 568     wxList::compatibility_iterator node = m_boxes.Item( item );
 569
 570     wxCHECK_RET( node, wxT("radiobox wrong index") );
 571
 572     GtkButton *button = GTK_BUTTON( node->GetData() );
 573     GtkLabel *label = GTK_LABEL( BUTTON_CHILD(button) );
 574
 575     gtk_widget_set_sensitive( GTK_WIDGET(button), enable );
 576     gtk_widget_set_sensitive( GTK_WIDGET(label), enable );
 577 }
 578
 579 void wxRadioBox::Show( int item, bool show )
 580 {
 581     wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") );
 582
 583     wxList::compatibility_iterator node = m_boxes.Item( item );
 584
 585     wxCHECK_RET( node, wxT("radiobox wrong index") );
 586
 587     GtkWidget *button = GTK_WIDGET( node->GetData() );
 588
 589     if (show)
 590         gtk_widget_show( button );
 591     else
 592         gtk_widget_hide( button );
 593 }
 594
 595 wxString wxRadioBox::GetStringSelection() const
 596 {
 597     wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid radiobox") );
 598
 599     wxList::compatibility_iterator node = m_boxes.GetFirst();
 600     while (node)
 601     {
 602         GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->GetData() );
 603         if (button->active)
 604         {
 605             GtkLabel *label = GTK_LABEL( BUTTON_CHILD(node->GetData()) );
 606
 607 #ifdef __WXGTK20__
 608             wxString str( wxGTK_CONV_BACK( gtk_label_get_text(label) ) );
 609 #else
 610             wxString str( label->label );
 611 #endif
 612             return str;
 613         }
 614         node = node->GetNext();
 615     }
 616
 617     wxFAIL_MSG( wxT("wxRadioBox none selected") );
 618     return wxT("");
 619 }
 620
 621 bool wxRadioBox::SetStringSelection( const wxString &s )
 622 {
 623     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid radiobox") );
 624
 625     int res = FindString( s );
 626     if (res == -1) return FALSE;
 627     SetSelection( res );
 628
 629     return TRUE;
 630 }
 631
 632 int wxRadioBox::GetCount() const
 633 {
 634     return m_boxes.GetCount();
 635 }
 636
 637 int wxRadioBox::GetNumberOfRowsOrCols() const
 638 {
 639     return 1;
 640 }
 641
 642 void wxRadioBox::SetNumberOfRowsOrCols( int WXUNUSED(n) )
 643 {
 644     wxFAIL_MSG(wxT("wxRadioBox::SetNumberOfRowsOrCols not implemented."));
 645 }
 646
 647 void wxRadioBox::GtkDisableEvents()
 648 {
 649     wxList::compatibility_iterator node = m_boxes.GetFirst();
 650     while (node)
 651     {
 652         gtk_signal_disconnect_by_func( GTK_OBJECT(node->GetData()),
 653            GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback), (gpointer*)this );
 654
 655         node = node->GetNext();
 656     }
 657 }
 658
 659 void wxRadioBox::GtkEnableEvents()
 660 {
 661     wxList::compatibility_iterator node = m_boxes.GetFirst();
 662     while (node)
 663     {
 664         gtk_signal_connect( GTK_OBJECT(node->GetData()), "clicked",
 665            GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback), (gpointer*)this );
 666
 667         node = node->GetNext();
 668     }
 669 }
 670
 671 void wxRadioBox::ApplyWidgetStyle()
 672 {
 673     SetWidgetStyle();
 674
 675     gtk_widget_set_style( m_widget, m_widgetStyle );
 676
 677     wxList::compatibility_iterator node = m_boxes.GetFirst();
 678     while (node)
 679     {
 680         GtkWidget *widget = GTK_WIDGET( node->GetData() );
 681         gtk_widget_set_style( widget, m_widgetStyle );
 682
 683         gtk_widget_set_style( BUTTON_CHILD(node->GetData()), m_widgetStyle );
 684
 685         node = node->GetNext();
 686     }
 687 }
 688
 689 #if wxUSE_TOOLTIPS
 690 void wxRadioBox::ApplyToolTip( GtkTooltips *tips, const wxChar *tip )
 691 {
 692     wxList::compatibility_iterator node = m_boxes.GetFirst();
 693     while (node)
 694     {
 695         GtkWidget *widget = GTK_WIDGET( node->GetData() );
 696         gtk_tooltips_set_tip( tips, widget, wxConvCurrent->cWX2MB(tip), (gchar*) NULL );
 697         node = node->GetNext();
 698     }
 699 }
 700 #endif // wxUSE_TOOLTIPS
 701
 702 bool wxRadioBox::IsOwnGtkWindow( GdkWindow *window )
 703 {
 704     if (window == m_widget->window) return TRUE;
 705
 706     wxList::compatibility_iterator node = m_boxes.GetFirst();
 707     while (node)
 708     {
 709         GtkWidget *button = GTK_WIDGET( node->GetData() );
 710
 711         if (window == button->window) return TRUE;
 712
 713         node = node->GetNext();
 714     }
 715
 716     return FALSE;
 717 }
 718
 719 void wxRadioBox::OnInternalIdle()
 720 {
 721     if ( m_lostFocus )
 722     {
 723         m_hasFocus = FALSE;
 724         m_lostFocus = FALSE;
 725
 726         wxFocusEvent event( wxEVT_KILL_FOCUS, GetId() );
 727         event.SetEventObject( this );
 728
 729         (void)GetEventHandler()->ProcessEvent( event );
 730     }
 731
 732     if (g_delayedFocus == this)
 733     {
 734         if (GTK_WIDGET_REALIZED(m_widget))
 735         {
 736             g_delayedFocus = NULL;
 737             SetFocus();
 738         }
 739     }
 740 }
 741
 742 #endif // wxUSE_RADIOBOX
 743