src/gtk/radiobox.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/radiobox.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #if wxUSE_RADIOBOX
  14
  15 #include "wx/radiobox.h"
  16
  17 #ifndef WX_PRECOMP
  18     #include "wx/log.h"
  19     #include "wx/frame.h"
  20     #include "wx/dialog.h"
  21 #endif
  22
  23 #if wxUSE_TOOLTIPS
  24     #include "wx/tooltip.h"
  25 #endif
  26
  27 #include "wx/gtk/private.h"
  28 #include <gdk/gdkkeysyms.h>
  29
  30 //-----------------------------------------------------------------------------
  31 // wxGTKRadioButtonInfo
  32 //-----------------------------------------------------------------------------
  33 // structure internally used by wxRadioBox to store its child buttons
  34
  35 class wxGTKRadioButtonInfo : public wxObject
  36 {
  37 public:
  38     wxGTKRadioButtonInfo( GtkRadioButton * abutton, const wxRect & arect )
  39     : button( abutton ), rect( arect ) {}
  40
  41     GtkRadioButton * button;
  42     wxRect           rect;
  43 };
  44
  45 //-----------------------------------------------------------------------------
  46 // data
  47 //-----------------------------------------------------------------------------
  48
  49 #include "wx/listimpl.cpp"
  50 WX_DEFINE_LIST( wxRadioBoxButtonsInfoList )
  51
  52 extern bool          g_blockEventsOnDrag;
  53
  54 //-----------------------------------------------------------------------------
  55 // "clicked"
  56 //-----------------------------------------------------------------------------
  57
  58 extern "C" {
  59 static void gtk_radiobutton_clicked_callback( GtkToggleButton *button, wxRadioBox *rb )
  60 {
  61     if (!rb->m_hasVMT) return;
  62     if (g_blockEventsOnDrag) return;
  63
  64     if (!button->active) return;
  65
  66     wxCommandEvent event( wxEVT_COMMAND_RADIOBOX_SELECTED, rb->GetId() );
  67     event.SetInt( rb->GetSelection() );
  68     event.SetString( rb->GetStringSelection() );
  69     event.SetEventObject( rb );
  70     rb->HandleWindowEvent(event);
  71 }
  72 }
  73
  74 //-----------------------------------------------------------------------------
  75 // "key_press_event"
  76 //-----------------------------------------------------------------------------
  77
  78 extern "C" {
  79 static gint gtk_radiobox_keypress_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxRadioBox *rb )
  80 {
  81     if (!rb->m_hasVMT) return FALSE;
  82     if (g_blockEventsOnDrag) return FALSE;
  83
  84     if ( ((gdk_event->keyval == GDK_Tab) ||
  85           (gdk_event->keyval == GDK_ISO_Left_Tab)) &&
  86          rb->GetParent() && (rb->GetParent()->HasFlag( wxTAB_TRAVERSAL)) )
  87     {
  88         wxNavigationKeyEvent new_event;
  89         new_event.SetEventObject( rb->GetParent() );
  90         // GDK reports GDK_ISO_Left_Tab for SHIFT-TAB
  91         new_event.SetDirection( (gdk_event->keyval == GDK_Tab) );
  92         // CTRL-TAB changes the (parent) window, i.e. switch notebook page
  93         new_event.SetWindowChange( (gdk_event->state & GDK_CONTROL_MASK) );
  94         new_event.SetCurrentFocus( rb );
  95         return rb->GetParent()->HandleWindowEvent(new_event);
  96     }
  97
  98     if ((gdk_event->keyval != GDK_Up) &&
  99         (gdk_event->keyval != GDK_Down) &&
 100         (gdk_event->keyval != GDK_Left) &&
 101         (gdk_event->keyval != GDK_Right))
 102     {
 103         return FALSE;
 104     }
 105
 106     wxRadioBoxButtonsInfoList::compatibility_iterator node = rb->m_buttonsInfo.GetFirst();
 107     while( node && GTK_WIDGET( node->GetData()->button ) != widget )
 108     {
 109         node = node->GetNext();
 110     }
 111     if (!node)
 112     {
 113         return FALSE;
 114     }
 115
 116     if ((gdk_event->keyval == GDK_Up) ||
 117         (gdk_event->keyval == GDK_Left))
 118     {
 119         if (node == rb->m_buttonsInfo.GetFirst())
 120             node = rb->m_buttonsInfo.GetLast();
 121         else
 122             node = node->GetPrevious();
 123     }
 124     else
 125     {
 126         if (node == rb->m_buttonsInfo.GetLast())
 127             node = rb->m_buttonsInfo.GetFirst();
 128         else
 129             node = node->GetNext();
 130     }
 131
 132     GtkWidget *button = (GtkWidget*) node->GetData()->button;
 133
 134     gtk_widget_grab_focus( button );
 135
 136     return TRUE;
 137 }
 138 }
 139
 140 extern "C" {
 141 static gint gtk_radiobutton_focus_out( GtkWidget * WXUNUSED(widget),
 142                                        GdkEventFocus *WXUNUSED(event),
 143                                        wxRadioBox *win )
 144 {
 145     // NB: This control is composed of several GtkRadioButton widgets and
 146     //     when focus changes from one of them to another in the same
 147     //     wxRadioBox, we get a focus-out event followed by focus-in for
 148     //     another GtkRadioButton owned by the same control. We don't want
 149     //     to generate two spurious wxEVT_SET_FOCUS events in this case,
 150     //     so we defer sending wx events until idle time.
 151     win->GTKHandleFocusOut();
 152
 153     // never stop the signal emission, it seems to break the kbd handling
 154     // inside the radiobox
 155     return FALSE;
 156 }
 157 }
 158
 159 extern "C" {
 160 static gint gtk_radiobutton_focus_in( GtkWidget * WXUNUSED(widget),
 161                                       GdkEventFocus *WXUNUSED(event),
 162                                       wxRadioBox *win )
 163 {
 164     win->GTKHandleFocusIn();
 165
 166     // never stop the signal emission, it seems to break the kbd handling
 167     // inside the radiobox
 168     return FALSE;
 169 }
 170 }
 171
 172 extern "C" {
 173 static void gtk_radiobutton_size_allocate( GtkWidget *widget,
 174                                            GtkAllocation * alloc,
 175                                            wxRadioBox *win )
 176 {
 177     for ( wxRadioBoxButtonsInfoList::compatibility_iterator node = win->m_buttonsInfo.GetFirst();
 178           node;
 179           node = node->GetNext())
 180     {
 181         if (widget == GTK_WIDGET(node->GetData()->button))
 182         {
 183             const wxPoint origin = win->GetPosition();
 184             wxRect rect = wxRect( alloc->x - origin.x, alloc->y - origin.y,
 185                                   alloc->width, alloc->height );
 186             node->GetData()->rect = rect;
 187             break;
 188         }
 189     }
 190 }
 191 }
 192
 193
 194 //-----------------------------------------------------------------------------
 195 // wxRadioBox
 196 //-----------------------------------------------------------------------------
 197
 198 IMPLEMENT_DYNAMIC_CLASS(wxRadioBox,wxControl)
 199
 200 bool wxRadioBox::Create( wxWindow *parent, wxWindowID id,
 201                          const wxString& title,
 202                          const wxPoint &pos, const wxSize &size,
 203                          const wxArrayString& choices, int majorDim,
 204                          long style, const wxValidator& validator,
 205                          const wxString &name )
 206 {
 207     wxCArrayString chs(choices);
 208
 209     return Create( parent, id, title, pos, size, chs.GetCount(),
 210                    chs.GetStrings(), majorDim, style, validator, name );
 211 }
 212
 213 bool wxRadioBox::Create( wxWindow *parent, wxWindowID id, const wxString& title,
 214                          const wxPoint &pos, const wxSize &size,
 215                          int n, const wxString choices[], int majorDim,
 216                          long style, const wxValidator& validator,
 217                          const wxString &name )
 218 {
 219     if (!PreCreation( parent, pos, size ) ||
 220         !CreateBase( parent, id, pos, size, style, validator, name ))
 221     {
 222         wxFAIL_MSG( wxT("wxRadioBox creation failed") );
 223         return false;
 224     }
 225
 226     m_widget = GTKCreateFrame(title);
 227     g_object_ref(m_widget);
 228     wxControl::SetLabel(title);
 229     if ( HasFlag(wxNO_BORDER) )
 230     {
 231         // If we don't do this here, the wxNO_BORDER style is ignored in Show()
 232         gtk_frame_set_shadow_type(GTK_FRAME(m_widget), GTK_SHADOW_NONE);
 233     }
 234
 235
 236     // majorDim may be 0 if all trailing parameters were omitted, so don't
 237     // assert here but just use the correct value for it
 238     SetMajorDim(majorDim == 0 ? n : majorDim, style);
 239
 240
 241     unsigned int num_of_cols = GetColumnCount();
 242     unsigned int num_of_rows = GetRowCount();
 243
 244     GtkRadioButton *rbtn = NULL;
 245
 246     GtkWidget *table = gtk_table_new( num_of_rows, num_of_cols, FALSE );
 247     gtk_table_set_col_spacings( GTK_TABLE(table), 1 );
 248     gtk_table_set_row_spacings( GTK_TABLE(table), 1 );
 249     gtk_widget_show( table );
 250     gtk_container_add( GTK_CONTAINER(m_widget), table );
 251
 252     wxString label;
 253     GSList *radio_button_group = NULL;
 254     for (unsigned int i = 0; i < (unsigned int)n; i++)
 255     {
 256         if ( i != 0 )
 257             radio_button_group = gtk_radio_button_get_group( GTK_RADIO_BUTTON(rbtn) );
 258
 259         label.Empty();
 260         for ( wxString::const_iterator pc = choices[i].begin();
 261               pc != choices[i].end(); ++pc )
 262         {
 263             if ( *pc != wxT('&') )
 264                 label += *pc;
 265         }
 266
 267         rbtn = GTK_RADIO_BUTTON( gtk_radio_button_new_with_label( radio_button_group, wxGTK_CONV( label ) ) );
 268         gtk_widget_show( GTK_WIDGET(rbtn) );
 269
 270         g_signal_connect (rbtn, "key_press_event",
 271                           G_CALLBACK (gtk_radiobox_keypress_callback), this);
 272
 273         m_buttonsInfo.Append( new wxGTKRadioButtonInfo( rbtn, wxRect() ) );
 274
 275         if (HasFlag(wxRA_SPECIFY_COLS))
 276         {
 277             int left = i%num_of_cols;
 278             int right = (i%num_of_cols) + 1;
 279             int top = i/num_of_cols;
 280             int bottom = (i/num_of_cols)+1;
 281             gtk_table_attach( GTK_TABLE(table), GTK_WIDGET(rbtn), left, right, top, bottom,
 282                   GTK_FILL, GTK_FILL, 1, 1 );
 283         }
 284         else
 285         {
 286             int left = i/num_of_rows;
 287             int right = (i/num_of_rows) + 1;
 288             int top = i%num_of_rows;
 289             int bottom = (i%num_of_rows)+1;
 290             gtk_table_attach( GTK_TABLE(table), GTK_WIDGET(rbtn), left, right, top, bottom,
 291                   GTK_FILL, GTK_FILL, 1, 1 );
 292         }
 293
 294         ConnectWidget( GTK_WIDGET(rbtn) );
 295
 296         if (!i)
 297             gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON(rbtn), TRUE );
 298
 299         g_signal_connect (rbtn, "clicked",
 300                           G_CALLBACK (gtk_radiobutton_clicked_callback), this);
 301         g_signal_connect (rbtn, "focus_in_event",
 302                           G_CALLBACK (gtk_radiobutton_focus_in), this);
 303         g_signal_connect (rbtn, "focus_out_event",
 304                           G_CALLBACK (gtk_radiobutton_focus_out), this);
 305         g_signal_connect (rbtn, "size_allocate",
 306                           G_CALLBACK (gtk_radiobutton_size_allocate), this);
 307     }
 308
 309     m_parent->DoAddChild( this );
 310
 311     PostCreation(size);
 312
 313     return true;
 314 }
 315
 316 wxRadioBox::~wxRadioBox()
 317 {
 318     wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.GetFirst();
 319     while (node)
 320     {
 321         GtkWidget *button = GTK_WIDGET( node->GetData()->button );
 322         gtk_widget_destroy( button );
 323         node = node->GetNext();
 324     }
 325     WX_CLEAR_LIST( wxRadioBoxButtonsInfoList, m_buttonsInfo );
 326 }
 327
 328 bool wxRadioBox::Show( bool show )
 329 {
 330     wxCHECK_MSG( m_widget != NULL, false, wxT("invalid radiobox") );
 331
 332     if (!wxControl::Show(show))
 333     {
 334         // nothing to do
 335         return false;
 336     }
 337
 338     if ( HasFlag(wxNO_BORDER) )
 339         gtk_widget_hide( m_widget );
 340
 341     wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.GetFirst();
 342     while (node)
 343     {
 344         GtkWidget *button = GTK_WIDGET( node->GetData()->button );
 345
 346         if (show)
 347             gtk_widget_show( button );
 348         else
 349             gtk_widget_hide( button );
 350
 351         node = node->GetNext();
 352     }
 353
 354     return true;
 355 }
 356
 357 void wxRadioBox::SetSelection( int n )
 358 {
 359     wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") );
 360
 361     wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.Item( n );
 362
 363     wxCHECK_RET( node, wxT("radiobox wrong index") );
 364
 365     GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->GetData()->button );
 366
 367     GtkDisableEvents();
 368
 369     gtk_toggle_button_set_active( button, 1 );
 370
 371     GtkEnableEvents();
 372 }
 373
 374 int wxRadioBox::GetSelection(void) const
 375 {
 376     wxCHECK_MSG( m_widget != NULL, wxNOT_FOUND, wxT("invalid radiobox") );
 377
 378     int count = 0;
 379
 380     wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.GetFirst();
 381     while (node)
 382     {
 383         GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->GetData()->button );
 384         if (button->active) return count;
 385         count++;
 386         node = node->GetNext();
 387     }
 388
 389     wxFAIL_MSG( wxT("wxRadioBox none selected") );
 390
 391     return wxNOT_FOUND;
 392 }
 393
 394 wxString wxRadioBox::GetString(unsigned int n) const
 395 {
 396     wxCHECK_MSG( m_widget != NULL, wxEmptyString, wxT("invalid radiobox") );
 397
 398     wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.Item( n );
 399
 400     wxCHECK_MSG( node, wxEmptyString, wxT("radiobox wrong index") );
 401
 402     GtkLabel *label = GTK_LABEL(GTK_BIN(node->GetData()->button)->child);
 403
 404     wxString str( wxGTK_CONV_BACK( gtk_label_get_text(label) ) );
 405
 406     return str;
 407 }
 408
 409 void wxRadioBox::SetLabel( const wxString& label )
 410 {
 411     wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") );
 412
 413     GTKSetLabelForFrame(GTK_FRAME(m_widget), label);
 414 }
 415
 416 void wxRadioBox::SetString(unsigned int item, const wxString& label)
 417 {
 418     wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") );
 419
 420     wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.Item( item );
 421
 422     wxCHECK_RET( node, wxT("radiobox wrong index") );
 423
 424     GtkLabel *g_label = GTK_LABEL(GTK_BIN(node->GetData()->button)->child);
 425
 426     gtk_label_set_text( g_label, wxGTK_CONV( label ) );
 427 }
 428
 429 bool wxRadioBox::Enable( bool enable )
 430 {
 431     bool isEnabled = IsEnabled();
 432
 433     if ( !wxControl::Enable( enable ) )
 434         return false;
 435
 436     wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.GetFirst();
 437     while (node)
 438     {
 439         GtkButton *button = GTK_BUTTON( node->GetData()->button );
 440         GtkLabel *label = GTK_LABEL(GTK_BIN(button)->child);
 441
 442         gtk_widget_set_sensitive( GTK_WIDGET(button), enable );
 443         gtk_widget_set_sensitive( GTK_WIDGET(label), enable );
 444         node = node->GetNext();
 445     }
 446
 447     if (!isEnabled && enable)
 448     {
 449         GTKFixSensitivity();
 450     }
 451
 452     return true;
 453 }
 454
 455 bool wxRadioBox::Enable(unsigned int item, bool enable)
 456 {
 457     wxCHECK_MSG( m_widget != NULL, false, wxT("invalid radiobox") );
 458
 459     wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.Item( item );
 460
 461     wxCHECK_MSG( node, false, wxT("radiobox wrong index") );
 462
 463     GtkButton *button = GTK_BUTTON( node->GetData()->button );
 464     GtkLabel *label = GTK_LABEL(GTK_BIN(button)->child);
 465
 466     gtk_widget_set_sensitive( GTK_WIDGET(button), enable );
 467     gtk_widget_set_sensitive( GTK_WIDGET(label), enable );
 468
 469     return true;
 470 }
 471
 472 bool wxRadioBox::IsItemEnabled(unsigned int item) const
 473 {
 474     wxCHECK_MSG( m_widget != NULL, false, wxT("invalid radiobox") );
 475
 476     wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.Item( item );
 477
 478     wxCHECK_MSG( node, false, wxT("radiobox wrong index") );
 479
 480     GtkButton *button = GTK_BUTTON( node->GetData()->button );
 481
 482     // don't use GTK_WIDGET_IS_SENSITIVE() here, we want to return true even if
 483     // the parent radiobox is disabled
 484     return GTK_WIDGET_SENSITIVE(GTK_WIDGET(button));
 485 }
 486
 487 bool wxRadioBox::Show(unsigned int item, bool show)
 488 {
 489     wxCHECK_MSG( m_widget != NULL, false, wxT("invalid radiobox") );
 490
 491     wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.Item( item );
 492
 493     wxCHECK_MSG( node, false, wxT("radiobox wrong index") );
 494
 495     GtkWidget *button = GTK_WIDGET( node->GetData()->button );
 496
 497     if (show)
 498         gtk_widget_show( button );
 499     else
 500         gtk_widget_hide( button );
 501
 502     return true;
 503 }
 504
 505 bool wxRadioBox::IsItemShown(unsigned int item) const
 506 {
 507     wxCHECK_MSG( m_widget != NULL, false, wxT("invalid radiobox") );
 508
 509     wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.Item( item );
 510
 511     wxCHECK_MSG( node, false, wxT("radiobox wrong index") );
 512
 513     GtkButton *button = GTK_BUTTON( node->GetData()->button );
 514
 515     return GTK_WIDGET_VISIBLE(GTK_WIDGET(button));
 516 }
 517
 518 unsigned int wxRadioBox::GetCount() const
 519 {
 520     return m_buttonsInfo.GetCount();
 521 }
 522
 523 void wxRadioBox::GtkDisableEvents()
 524 {
 525     wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.GetFirst();
 526     while (node)
 527     {
 528         g_signal_handlers_block_by_func(node->GetData()->button,
 529             (gpointer)gtk_radiobutton_clicked_callback, this);
 530
 531         node = node->GetNext();
 532     }
 533 }
 534
 535 void wxRadioBox::GtkEnableEvents()
 536 {
 537     wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.GetFirst();
 538     while (node)
 539     {
 540         g_signal_handlers_unblock_by_func(node->GetData()->button,
 541             (gpointer)gtk_radiobutton_clicked_callback, this);
 542
 543         node = node->GetNext();
 544     }
 545 }
 546
 547 void wxRadioBox::DoApplyWidgetStyle(GtkRcStyle *style)
 548 {
 549     GTKFrameApplyWidgetStyle(GTK_FRAME(m_widget), style);
 550
 551     wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.GetFirst();
 552     while (node)
 553     {
 554         GtkWidget *widget = GTK_WIDGET( node->GetData()->button );
 555
 556         gtk_widget_modify_style( widget, style );
 557         gtk_widget_modify_style(GTK_BIN(widget)->child, style);
 558
 559         node = node->GetNext();
 560     }
 561 }
 562
 563 bool wxRadioBox::GTKWidgetNeedsMnemonic() const
 564 {
 565     return true;
 566 }
 567
 568 void wxRadioBox::GTKWidgetDoSetMnemonic(GtkWidget* w)
 569 {
 570     GTKFrameSetMnemonicWidget(GTK_FRAME(m_widget), w);
 571 }
 572
 573 #if wxUSE_TOOLTIPS
 574 void wxRadioBox::GTKApplyToolTip(GtkTooltips * WXUNUSED(tips), const gchar *tip)
 575 {
 576     // set this tooltip for all radiobuttons which don't have their own tips
 577     unsigned n = 0;
 578     for ( wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.GetFirst();
 579           node;
 580           node = node->GetNext(), n++ )
 581     {
 582         if ( !GetItemToolTip(n) )
 583         {
 584             wxToolTip::GTKApply(GTK_WIDGET(node->GetData()->button), tip);
 585         }
 586     }
 587 }
 588
 589 void wxRadioBox::DoSetItemToolTip(unsigned int n, wxToolTip *tooltip)
 590 {
 591     wxCharBuffer buf;
 592     if ( !tooltip )
 593         tooltip = GetToolTip();
 594     if ( tooltip )
 595         buf = wxGTK_CONV(tooltip->GetTip());
 596
 597     wxToolTip::GTKApply(GTK_WIDGET(m_buttonsInfo[n]->button), buf);
 598 }
 599
 600 #endif // wxUSE_TOOLTIPS
 601
 602 GdkWindow *wxRadioBox::GTKGetWindow(wxArrayGdkWindows& windows) const
 603 {
 604     windows.push_back(m_widget->window);
 605
 606     wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.GetFirst();
 607     while (node)
 608     {
 609         GtkWidget *button = GTK_WIDGET( node->GetData()->button );
 610
 611         windows.push_back(button->window);
 612
 613         node = node->GetNext();
 614     }
 615
 616     return NULL;
 617 }
 618
 619 // static
 620 wxVisualAttributes
 621 wxRadioBox::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 622 {
 623     wxVisualAttributes attr;
 624     // NB: we need toplevel window so that GTK+ can find the right style
 625     GtkWidget *wnd = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 626     GtkWidget* widget = gtk_radio_button_new_with_label(NULL, "");
 627     gtk_container_add(GTK_CONTAINER(wnd), widget);
 628     attr = GetDefaultAttributesFromGTKWidget(widget);
 629     gtk_widget_destroy(wnd);
 630     return attr;
 631 }
 632
 633 int wxRadioBox::GetItemFromPoint(const wxPoint& point) const
 634 {
 635     const wxPoint pt = ScreenToClient(point);
 636     unsigned n = 0;
 637     for ( wxRadioBoxButtonsInfoList::compatibility_iterator
 638             node = m_buttonsInfo.GetFirst(); node; node = node->GetNext(), n++ )
 639     {
 640         if ( m_buttonsInfo[n]->rect.Contains(pt) )
 641             return n;
 642     }
 643
 644     return wxNOT_FOUND;
 645 }
 646
 647 #endif // wxUSE_RADIOBOX