src/gtk/listbox.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        listbox.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10
  11 #ifdef __GNUG__
  12 #pragma implementation "listbox.h"
  13 #endif
  14
  15 #include "wx/dynarray.h"
  16 #include "wx/listbox.h"
  17 #include "wx/utils.h"
  18 #include "wx/intl.h"
  19 #include "wx/checklst.h"
  20
  21 #include "gdk/gdk.h"
  22 #include "gtk/gtk.h"
  23
  24 //-------------------------------------------------------------------------
  25 // conditional compilation
  26 //-------------------------------------------------------------------------
  27
  28 #if (GTK_MINOR_VERSION == 1)
  29 #if (GTK_MICRO_VERSION >= 5)
  30 #define NEW_GTK_SCROLL_CODE
  31 #endif
  32 #endif
  33
  34 //-----------------------------------------------------------------------------
  35 // data
  36 //-----------------------------------------------------------------------------
  37
  38 extern bool   g_blockEventsOnDrag;
  39 extern bool   g_blockEventsOnScroll;
  40
  41 //-----------------------------------------------------------------------------
  42 // "button_press_event"
  43 //-----------------------------------------------------------------------------
  44
  45 static gint
  46 gtk_listbox_button_press_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxListBox *listbox )
  47 {
  48     if (g_blockEventsOnDrag) return FALSE;
  49     if (g_blockEventsOnScroll) return FALSE;
  50
  51     if (!listbox->HasVMT()) return FALSE;
  52
  53     int sel = listbox->GetIndex( widget );
  54
  55     if ((listbox->m_hasCheckBoxes) && (gdk_event->x < 15) && (gdk_event->type != GDK_2BUTTON_PRESS))
  56     {
  57         wxCheckListBox *clb = (wxCheckListBox *)listbox;
  58
  59         clb->Check( sel, !clb->IsChecked(sel) );
  60
  61         wxCommandEvent event( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, listbox->GetId() );
  62         event.SetEventObject( listbox );
  63         event.SetInt( sel );
  64         listbox->GetEventHandler()->ProcessEvent( event );
  65     }
  66
  67     if (gdk_event->type == GDK_2BUTTON_PRESS)
  68     {
  69         wxCommandEvent event( wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, listbox->GetId() );
  70         event.SetEventObject( listbox );
  71         event.SetInt( sel );
  72         listbox->GetEventHandler()->ProcessEvent( event );
  73     }
  74
  75     return FALSE;
  76 }
  77
  78 //-----------------------------------------------------------------------------
  79 // "key_press_event"
  80 //-----------------------------------------------------------------------------
  81
  82 static gint
  83 gtk_listbox_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxListBox *listbox )
  84 {
  85     if (g_blockEventsOnDrag) return FALSE;
  86
  87     if (!listbox->HasVMT()) return FALSE;
  88
  89     if (gdk_event->keyval != ' ') return FALSE;
  90
  91     int sel = listbox->GetIndex( widget );
  92
  93     wxCheckListBox *clb = (wxCheckListBox *)listbox;
  94
  95     clb->Check( sel, !clb->IsChecked(sel) );
  96
  97     wxCommandEvent event( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, listbox->GetId() );
  98     event.SetEventObject( listbox );
  99     event.SetInt( sel );
 100     listbox->GetEventHandler()->ProcessEvent( event );
 101
 102     return FALSE;
 103 }
 104
 105 //-----------------------------------------------------------------------------
 106 // "select" and "deselect"
 107 //-----------------------------------------------------------------------------
 108
 109 static void gtk_listitem_select_callback( GtkWidget *WXUNUSED(widget), wxListBox *listbox )
 110 {
 111     if (!listbox->HasVMT()) return;
 112     if (g_blockEventsOnDrag) return;
 113
 114     wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() );
 115
 116     wxArrayInt aSelections;
 117     int count = listbox->GetSelections(aSelections);
 118     if ( count > 0 )
 119     {
 120         event.m_commandInt = aSelections[0] ;
 121         event.m_clientData = listbox->GetClientData( event.m_commandInt );
 122         wxString str(listbox->GetString(event.m_commandInt));
 123         if (str != "") event.m_commandString = copystring((char *)(const char *)str);
 124     }
 125     else
 126     {
 127         event.m_commandInt = -1 ;
 128         event.m_commandString = copystring("") ;
 129     }
 130
 131     event.SetEventObject( listbox );
 132
 133     listbox->GetEventHandler()->ProcessEvent( event );
 134     if (event.m_commandString) delete[] event.m_commandString ;
 135 }
 136
 137 //-----------------------------------------------------------------------------
 138 // wxListBox
 139 //-----------------------------------------------------------------------------
 140
 141 IMPLEMENT_DYNAMIC_CLASS(wxListBox,wxControl)
 142
 143 wxListBox::wxListBox()
 144 {
 145     m_list = (GtkList *) NULL;
 146     m_hasCheckBoxes = FALSE;
 147 }
 148
 149 bool wxListBox::Create( wxWindow *parent, wxWindowID id,
 150                         const wxPoint &pos, const wxSize &size,
 151                         int n, const wxString choices[],
 152                         long style, const wxValidator& validator, const wxString &name )
 153 {
 154     m_needParent = TRUE;
 155     m_acceptsFocus = TRUE;
 156
 157     PreCreation( parent, id, pos, size, style, name );
 158
 159     SetValidator( validator );
 160
 161     m_widget = gtk_scrolled_window_new( (GtkAdjustment*) NULL, (GtkAdjustment*) NULL );
 162     gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(m_widget),
 163       GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
 164
 165     m_list = GTK_LIST( gtk_list_new() );
 166
 167     GtkSelectionMode mode = GTK_SELECTION_BROWSE;
 168     if (style & wxLB_MULTIPLE)
 169         mode = GTK_SELECTION_MULTIPLE;
 170     else if (style & wxLB_EXTENDED)
 171         mode = GTK_SELECTION_EXTENDED;
 172
 173     gtk_list_set_selection_mode( GTK_LIST(m_list), mode );
 174
 175 #ifdef NEW_GTK_SCROLL_CODE
 176     gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW(m_widget), GTK_WIDGET(m_list) );
 177 #else
 178     gtk_container_add( GTK_CONTAINER(m_widget), GTK_WIDGET(m_list) );
 179 #endif
 180
 181 #ifdef __WXDEBUG__
 182     debug_focus_in( m_widget, "wxListBox::m_widget", name );
 183
 184     debug_focus_in( GTK_WIDGET(m_list), "wxListBox::m_list", name );
 185
 186     GtkScrolledWindow *s_window = GTK_SCROLLED_WINDOW(m_widget);
 187
 188     debug_focus_in( s_window->hscrollbar, "wxWindow::hsrcollbar", name );
 189     debug_focus_in( s_window->vscrollbar, "wxWindow::vsrcollbar", name );
 190
 191 #ifdef NEW_GTK_SCROLL_CODE
 192     GtkViewport *viewport = GTK_VIEWPORT(s_window->child);
 193 #else
 194     GtkViewport *viewport = GTK_VIEWPORT(s_window->viewport);
 195 #endif
 196
 197     debug_focus_in( GTK_WIDGET(viewport), "wxWindow::viewport", name );
 198 #endif
 199
 200     gtk_widget_show( GTK_WIDGET(m_list) );
 201
 202     wxSize newSize = size;
 203     if (newSize.x == -1) newSize.x = 100;
 204     if (newSize.y == -1) newSize.y = 110;
 205     SetSize( newSize.x, newSize.y );
 206
 207     for (int i = 0; i < n; i++)
 208     {
 209         m_clientDataList.Append( (wxObject*) NULL );
 210         m_clientObjectList.Append( (wxObject*) NULL );
 211
 212         GtkWidget *list_item;
 213
 214         if (m_hasCheckBoxes)
 215         {
 216             wxString str = "[-] ";
 217             str += choices[i];
 218             list_item = gtk_list_item_new_with_label( str );
 219         }
 220         else
 221         {
 222             list_item = gtk_list_item_new_with_label( choices[i] );
 223         }
 224
 225 #ifdef __WXDEBUG__
 226         debug_focus_in( list_item, "wxListBox::list_item", name );
 227 #endif
 228
 229         gtk_container_add( GTK_CONTAINER(m_list), list_item );
 230
 231         gtk_signal_connect( GTK_OBJECT(list_item), "select",
 232           GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
 233
 234         if (style & wxLB_MULTIPLE)
 235             gtk_signal_connect( GTK_OBJECT(list_item), "deselect",
 236               GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
 237
 238         if (m_hasCheckBoxes)
 239         {
 240             gtk_signal_connect( GTK_OBJECT(list_item),
 241                                 "button_press_event",
 242                                 (GtkSignalFunc)gtk_listbox_button_press_callback,
 243                                 (gpointer) this );
 244         }
 245
 246         gtk_signal_connect( GTK_OBJECT(list_item),
 247                             "key_press_event",
 248                             (GtkSignalFunc)gtk_listbox_key_press_callback,
 249                             (gpointer)this );
 250
 251         ConnectWidget( list_item );
 252
 253         gtk_widget_show( list_item );
 254     }
 255
 256     m_parent->AddChild( this );
 257
 258     (m_parent->m_insertCallback)( m_parent, this );
 259
 260     PostCreation();
 261
 262     gtk_widget_realize( GTK_WIDGET(m_list) );
 263
 264     SetBackgroundColour( parent->GetBackgroundColour() );
 265     SetForegroundColour( parent->GetForegroundColour() );
 266
 267     Show( TRUE );
 268
 269     return TRUE;
 270 }
 271
 272 wxListBox::~wxListBox()
 273 {
 274     Clear();
 275 }
 276
 277 void wxListBox::AppendCommon( const wxString &item )
 278 {
 279     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 280
 281     GtkWidget *list_item;
 282
 283     if (m_hasCheckBoxes)
 284     {
 285         wxString str = "[-] ";
 286         str += item;
 287         list_item = gtk_list_item_new_with_label( str );
 288     }
 289     else
 290     {
 291         list_item = gtk_list_item_new_with_label( item );
 292     }
 293
 294     gtk_signal_connect( GTK_OBJECT(list_item), "select",
 295       GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
 296
 297     if (GetWindowStyleFlag() & wxLB_MULTIPLE)
 298         gtk_signal_connect( GTK_OBJECT(list_item), "deselect",
 299           GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
 300
 301     gtk_container_add( GTK_CONTAINER(m_list), list_item );
 302
 303     if (m_widgetStyle) ApplyWidgetStyle();
 304
 305     if (m_hasCheckBoxes)
 306     {
 307             gtk_signal_connect( GTK_OBJECT(list_item),
 308                                 "button_press_event",
 309                                 (GtkSignalFunc)gtk_listbox_button_press_callback,
 310                                 (gpointer) this );
 311     }
 312
 313     gtk_signal_connect( GTK_OBJECT(list_item),
 314                         "key_press_event",
 315                         (GtkSignalFunc)gtk_listbox_key_press_callback,
 316                         (gpointer)this );
 317
 318     gtk_widget_show( list_item );
 319
 320     ConnectWidget( list_item );
 321
 322 #ifdef wxUSE_DRAG_AND_DROP
 323 #ifndef NEW_GTK_DND_CODE
 324     if (m_dropTarget) m_dropTarget->RegisterWidget( list_item );
 325 #endif
 326 #endif
 327 }
 328
 329 void wxListBox::Append( const wxString &item )
 330 {
 331     m_clientDataList.Append( (wxObject*) NULL );
 332     m_clientObjectList.Append( (wxObject*) NULL );
 333
 334     AppendCommon( item );
 335 }
 336
 337 void wxListBox::Append( const wxString &item, void *clientData )
 338 {
 339     m_clientDataList.Append( (wxObject*) clientData );
 340     m_clientObjectList.Append( (wxObject*) NULL );
 341
 342     AppendCommon( item );
 343 }
 344
 345 void wxListBox::Append( const wxString &item, wxClientData *clientData )
 346 {
 347     m_clientObjectList.Append( (wxObject*) clientData );
 348     m_clientDataList.Append( (wxObject*) NULL );
 349
 350     AppendCommon( item );
 351 }
 352
 353 void wxListBox::SetClientData( int n, void* clientData )
 354 {
 355     wxCHECK_RET( m_widget != NULL, "invalid combobox" );
 356
 357     wxNode *node = m_clientDataList.Nth( n );
 358     if (!node) return;
 359
 360     node->SetData( (wxObject*) clientData );
 361 }
 362
 363 void* wxListBox::GetClientData( int n )
 364 {
 365     wxCHECK_MSG( m_widget != NULL, NULL, "invalid combobox" );
 366
 367     wxNode *node = m_clientDataList.Nth( n );
 368     if (!node) return NULL;
 369
 370     return node->Data();
 371 }
 372
 373 void wxListBox::SetClientObject( int n, wxClientData* clientData )
 374 {
 375     wxCHECK_RET( m_widget != NULL, "invalid combobox" );
 376
 377     wxNode *node = m_clientObjectList.Nth( n );
 378     if (!node) return;
 379
 380     wxClientData *cd = (wxClientData*) node->Data();
 381     if (cd) delete cd;
 382
 383     node->SetData( (wxObject*) clientData );
 384 }
 385
 386 wxClientData* wxListBox::GetClientObject( int n )
 387 {
 388     wxCHECK_MSG( m_widget != NULL, (wxClientData*)NULL, "invalid combobox" );
 389
 390     wxNode *node = m_clientObjectList.Nth( n );
 391     if (!node) return (wxClientData*) NULL;
 392
 393     return (wxClientData*) node->Data();
 394 }
 395
 396 void wxListBox::Clear()
 397 {
 398     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 399
 400     gtk_list_clear_items( m_list, 0, Number() );
 401
 402     wxNode *node = m_clientObjectList.First();
 403     while (node)
 404     {
 405         wxClientData *cd = (wxClientData*)node->Data();
 406         if (cd) delete cd;
 407         node = node->Next();
 408     }
 409     m_clientObjectList.Clear();
 410
 411     m_clientDataList.Clear();
 412 }
 413
 414 void wxListBox::Delete( int n )
 415 {
 416     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 417
 418     GList *child = g_list_nth( m_list->children, n );
 419
 420     wxCHECK_RET( child, "wrong listbox index" );
 421
 422     GList *list = g_list_append( NULL, child->data );
 423     gtk_list_remove_items( m_list, list );
 424     g_list_free( list );
 425
 426     wxNode *node = m_clientObjectList.Nth( n );
 427     if (node)
 428     {
 429         wxClientData *cd = (wxClientData*)node->Data();
 430         if (cd) delete cd;
 431         m_clientObjectList.DeleteNode( node );
 432     }
 433
 434     node = m_clientDataList.Nth( n );
 435     if (node)
 436     {
 437         m_clientDataList.DeleteNode( node );
 438     }
 439 }
 440
 441 void wxListBox::Deselect( int n )
 442 {
 443     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 444
 445     gtk_list_unselect_item( m_list, n );
 446 }
 447
 448 int wxListBox::FindString( const wxString &item ) const
 449 {
 450     wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );
 451
 452     GList *child = m_list->children;
 453     int count = 0;
 454     while (child)
 455     {
 456         GtkBin *bin = GTK_BIN( child->data );
 457         GtkLabel *label = GTK_LABEL( bin->child );
 458
 459         wxString str = label->label;
 460         if (m_hasCheckBoxes) str.Remove( 0, 4 );
 461
 462         if (str == item) return count;
 463
 464         count++;
 465         child = child->next;
 466     }
 467
 468   // it's not an error if the string is not found -> no wxCHECK
 469
 470   return -1;
 471 }
 472
 473 int wxListBox::GetSelection() const
 474 {
 475     wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );
 476
 477     GList *child = m_list->children;
 478     int count = 0;
 479     while (child)
 480     {
 481         if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED) return count;
 482         count++;
 483         child = child->next;
 484     }
 485     return -1;
 486 }
 487
 488 int wxListBox::GetSelections( wxArrayInt& aSelections ) const
 489 {
 490     wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );
 491
 492     // get the number of selected items first
 493     GList *child = m_list->children;
 494     int count = 0;
 495     for (child = m_list->children; child != NULL; child = child->next)
 496     {
 497         if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED)
 498             count++;
 499     }
 500
 501     aSelections.Empty();
 502
 503     if (count > 0)
 504     {
 505         // now fill the list
 506         aSelections.Alloc(count); // optimization attempt
 507         int i = 0;
 508         for (child = m_list->children; child != NULL; child = child->next, i++)
 509         {
 510             if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED)
 511                  aSelections.Add(i);
 512         }
 513     }
 514
 515     return count;
 516 }
 517
 518 wxString wxListBox::GetString( int n ) const
 519 {
 520     wxCHECK_MSG( m_list != NULL, "", "invalid listbox" );
 521
 522     GList *child = g_list_nth( m_list->children, n );
 523     if (child)
 524     {
 525         GtkBin *bin = GTK_BIN( child->data );
 526         GtkLabel *label = GTK_LABEL( bin->child );
 527
 528         wxString str = label->label;
 529         if (m_hasCheckBoxes) str.Remove( 0, 4 );
 530
 531         return str;
 532     }
 533     wxFAIL_MSG("wrong listbox index");
 534     return "";
 535 }
 536
 537 wxString wxListBox::GetStringSelection() const
 538 {
 539     wxCHECK_MSG( m_list != NULL, "", "invalid listbox" );
 540
 541     GList *selection = m_list->selection;
 542     if (selection)
 543     {
 544         GtkBin *bin = GTK_BIN( selection->data );
 545         GtkLabel *label = GTK_LABEL( bin->child );
 546
 547         wxString str = label->label;
 548         if (m_hasCheckBoxes) str.Remove( 0, 4 );
 549
 550         return str;
 551     }
 552
 553     wxFAIL_MSG("no listbox selection available");
 554     return "";
 555 }
 556
 557 int wxListBox::Number()
 558 {
 559     wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );
 560
 561     GList *child = m_list->children;
 562     int count = 0;
 563     while (child) { count++; child = child->next; }
 564     return count;
 565 }
 566
 567 bool wxListBox::Selected( int n )
 568 {
 569     wxCHECK_MSG( m_list != NULL, FALSE, "invalid listbox" );
 570
 571     GList *target = g_list_nth( m_list->children, n );
 572     if (target)
 573     {
 574         GList *child = m_list->selection;
 575         while (child)
 576         {
 577             if (child->data == target->data) return TRUE;
 578             child = child->next;
 579         }
 580     }
 581     wxFAIL_MSG("wrong listbox index");
 582     return FALSE;
 583 }
 584
 585 void wxListBox::Set( int WXUNUSED(n), const wxString *WXUNUSED(choices) )
 586 {
 587     wxFAIL_MSG("wxListBox::Set not implemented");
 588 }
 589
 590 void wxListBox::SetFirstItem( int WXUNUSED(n) )
 591 {
 592     wxFAIL_MSG("wxListBox::SetFirstItem not implemented");
 593 }
 594
 595 void wxListBox::SetFirstItem( const wxString &WXUNUSED(item) )
 596 {
 597     wxFAIL_MSG("wxListBox::SetFirstItem not implemented");
 598 }
 599
 600 void wxListBox::SetSelection( int n, bool select )
 601 {
 602     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 603
 604     if (select)
 605         gtk_list_select_item( m_list, n );
 606     else
 607         gtk_list_unselect_item( m_list, n );
 608 }
 609
 610 void wxListBox::SetString( int n, const wxString &string )
 611 {
 612     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 613
 614     GList *child = g_list_nth( m_list->children, n );
 615     if (child)
 616     {
 617         GtkBin *bin = GTK_BIN( child->data );
 618         GtkLabel *label = GTK_LABEL( bin->child );
 619
 620         wxString str;
 621         if (m_hasCheckBoxes) str += "[-] ";
 622         str += string;
 623
 624         gtk_label_set( label, str );
 625     }
 626     else
 627     {
 628         wxFAIL_MSG("wrong listbox index");
 629     }
 630 }
 631
 632 void wxListBox::SetStringSelection( const wxString &string, bool select )
 633 {
 634     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 635
 636     SetSelection( FindString(string), select );
 637 }
 638
 639 int wxListBox::GetIndex( GtkWidget *item ) const
 640 {
 641     if (item)
 642     {
 643         GList *child = m_list->children;
 644         int count = 0;
 645         while (child)
 646         {
 647             if (GTK_WIDGET(child->data) == item) return count;
 648             count++;
 649             child = child->next;
 650         }
 651     }
 652     return -1;
 653 }
 654
 655 #ifdef wxUSE_DRAG_AND_DROP
 656 void wxListBox::SetDropTarget( wxDropTarget *dropTarget )
 657 {
 658     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 659
 660 #ifndef NEW_GTK_DND_CODE
 661     if (m_dropTarget)
 662     {
 663         GList *child = m_list->children;
 664         while (child)
 665         {
 666             m_dropTarget->UnregisterWidget( GTK_WIDGET( child->data ) );
 667             child = child->next;
 668         }
 669     }
 670 #endif
 671
 672     wxWindow::SetDropTarget( dropTarget );
 673
 674 #ifndef NEW_GTK_DND_CODE
 675     if (m_dropTarget)
 676     {
 677         GList *child = m_list->children;
 678         while (child)
 679         {
 680             m_dropTarget->RegisterWidget( GTK_WIDGET( child->data ) );
 681             child = child->next;
 682         }
 683     }
 684 #endif
 685 }
 686 #endif
 687
 688 GtkWidget *wxListBox::GetConnectWidget()
 689 {
 690     return GTK_WIDGET(m_list);
 691 }
 692
 693 bool wxListBox::IsOwnGtkWindow( GdkWindow *window )
 694 {
 695     if (wxWindow::IsOwnGtkWindow( window )) return TRUE;
 696
 697     GList *child = m_list->children;
 698     while (child)
 699     {
 700         GtkWidget *bin = GTK_WIDGET( child->data );
 701         if (bin->window == window) return TRUE;
 702         child = child->next;
 703     }
 704
 705     return FALSE;
 706 }
 707
 708 void wxListBox::ApplyWidgetStyle()
 709 {
 710     SetWidgetStyle();
 711
 712     if (m_backgroundColour.Ok())
 713     {
 714         GdkWindow *window = GTK_WIDGET(m_list)->window;
 715         m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) );
 716         gdk_window_set_background( window, m_backgroundColour.GetColor() );
 717         gdk_window_clear( window );
 718     }
 719
 720     GList *child = m_list->children;
 721     while (child)
 722     {
 723         gtk_widget_set_style( GTK_WIDGET(child->data), m_widgetStyle );
 724
 725         GtkBin *bin = GTK_BIN( child->data );
 726         GtkWidget *label = GTK_WIDGET( bin->child );
 727         gtk_widget_set_style( label, m_widgetStyle );
 728
 729         child = child->next;
 730     }
 731 }