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 #ifndef NEW_GTK_DND_CODE
 323     if (m_dropTarget) m_dropTarget->RegisterWidget( list_item );
 324 #endif
 325 }
 326
 327 void wxListBox::Append( const wxString &item )
 328 {
 329     m_clientDataList.Append( (wxObject*) NULL );
 330     m_clientObjectList.Append( (wxObject*) NULL );
 331
 332     AppendCommon( item );
 333 }
 334
 335 void wxListBox::Append( const wxString &item, void *clientData )
 336 {
 337     m_clientDataList.Append( (wxObject*) clientData );
 338     m_clientObjectList.Append( (wxObject*) NULL );
 339
 340     AppendCommon( item );
 341 }
 342
 343 void wxListBox::Append( const wxString &item, wxClientData *clientData )
 344 {
 345     m_clientObjectList.Append( (wxObject*) clientData );
 346     m_clientDataList.Append( (wxObject*) NULL );
 347
 348     AppendCommon( item );
 349 }
 350
 351 void wxListBox::SetClientData( int n, void* clientData )
 352 {
 353     wxCHECK_RET( m_widget != NULL, "invalid combobox" );
 354
 355     wxNode *node = m_clientDataList.Nth( n );
 356     if (!node) return;
 357
 358     node->SetData( (wxObject*) clientData );
 359 }
 360
 361 void* wxListBox::GetClientData( int n )
 362 {
 363     wxCHECK_MSG( m_widget != NULL, NULL, "invalid combobox" );
 364
 365     wxNode *node = m_clientDataList.Nth( n );
 366     if (!node) return NULL;
 367
 368     return node->Data();
 369 }
 370
 371 void wxListBox::SetClientObject( int n, wxClientData* clientData )
 372 {
 373     wxCHECK_RET( m_widget != NULL, "invalid combobox" );
 374
 375     wxNode *node = m_clientObjectList.Nth( n );
 376     if (!node) return;
 377
 378     wxClientData *cd = (wxClientData*) node->Data();
 379     if (cd) delete cd;
 380
 381     node->SetData( (wxObject*) clientData );
 382 }
 383
 384 wxClientData* wxListBox::GetClientObject( int n )
 385 {
 386     wxCHECK_MSG( m_widget != NULL, (wxClientData*)NULL, "invalid combobox" );
 387
 388     wxNode *node = m_clientObjectList.Nth( n );
 389     if (!node) return (wxClientData*) NULL;
 390
 391     return (wxClientData*) node->Data();
 392 }
 393
 394 void wxListBox::Clear()
 395 {
 396     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 397
 398     gtk_list_clear_items( m_list, 0, Number() );
 399
 400     wxNode *node = m_clientObjectList.First();
 401     while (node)
 402     {
 403         wxClientData *cd = (wxClientData*)node->Data();
 404         if (cd) delete cd;
 405         node = node->Next();
 406     }
 407     m_clientObjectList.Clear();
 408
 409     m_clientDataList.Clear();
 410 }
 411
 412 void wxListBox::Delete( int n )
 413 {
 414     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 415
 416     GList *child = g_list_nth( m_list->children, n );
 417
 418     wxCHECK_RET( child, "wrong listbox index" );
 419
 420     GList *list = g_list_append( NULL, child->data );
 421     gtk_list_remove_items( m_list, list );
 422     g_list_free( list );
 423
 424     wxNode *node = m_clientObjectList.Nth( n );
 425     if (node)
 426     {
 427         wxClientData *cd = (wxClientData*)node->Data();
 428         if (cd) delete cd;
 429         m_clientObjectList.DeleteNode( node );
 430     }
 431
 432     node = m_clientDataList.Nth( n );
 433     if (node)
 434     {
 435         m_clientDataList.DeleteNode( node );
 436     }
 437 }
 438
 439 void wxListBox::Deselect( int n )
 440 {
 441     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 442
 443     gtk_list_unselect_item( m_list, n );
 444 }
 445
 446 int wxListBox::FindString( const wxString &item ) const
 447 {
 448     wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );
 449
 450     GList *child = m_list->children;
 451     int count = 0;
 452     while (child)
 453     {
 454         GtkBin *bin = GTK_BIN( child->data );
 455         GtkLabel *label = GTK_LABEL( bin->child );
 456
 457         wxString str = label->label;
 458         if (m_hasCheckBoxes) str.Remove( 0, 4 );
 459
 460         if (str == item) return count;
 461
 462         count++;
 463         child = child->next;
 464     }
 465
 466   // it's not an error if the string is not found -> no wxCHECK
 467
 468   return -1;
 469 }
 470
 471 int wxListBox::GetSelection() const
 472 {
 473     wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );
 474
 475     GList *child = m_list->children;
 476     int count = 0;
 477     while (child)
 478     {
 479         if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED) return count;
 480         count++;
 481         child = child->next;
 482     }
 483     return -1;
 484 }
 485
 486 int wxListBox::GetSelections( wxArrayInt& aSelections ) const
 487 {
 488     wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );
 489
 490     // get the number of selected items first
 491     GList *child = m_list->children;
 492     int count = 0;
 493     for (child = m_list->children; child != NULL; child = child->next)
 494     {
 495         if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED)
 496             count++;
 497     }
 498
 499     aSelections.Empty();
 500
 501     if (count > 0)
 502     {
 503         // now fill the list
 504         aSelections.Alloc(count); // optimization attempt
 505         int i = 0;
 506         for (child = m_list->children; child != NULL; child = child->next, i++)
 507         {
 508             if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED)
 509                  aSelections.Add(i);
 510         }
 511     }
 512
 513     return count;
 514 }
 515
 516 wxString wxListBox::GetString( int n ) const
 517 {
 518     wxCHECK_MSG( m_list != NULL, "", "invalid listbox" );
 519
 520     GList *child = g_list_nth( m_list->children, n );
 521     if (child)
 522     {
 523         GtkBin *bin = GTK_BIN( child->data );
 524         GtkLabel *label = GTK_LABEL( bin->child );
 525
 526         wxString str = label->label;
 527         if (m_hasCheckBoxes) str.Remove( 0, 4 );
 528
 529         return str;
 530     }
 531     wxFAIL_MSG("wrong listbox index");
 532     return "";
 533 }
 534
 535 wxString wxListBox::GetStringSelection() const
 536 {
 537     wxCHECK_MSG( m_list != NULL, "", "invalid listbox" );
 538
 539     GList *selection = m_list->selection;
 540     if (selection)
 541     {
 542         GtkBin *bin = GTK_BIN( selection->data );
 543         GtkLabel *label = GTK_LABEL( bin->child );
 544
 545         wxString str = label->label;
 546         if (m_hasCheckBoxes) str.Remove( 0, 4 );
 547
 548         return str;
 549     }
 550
 551     wxFAIL_MSG("no listbox selection available");
 552     return "";
 553 }
 554
 555 int wxListBox::Number()
 556 {
 557     wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );
 558
 559     GList *child = m_list->children;
 560     int count = 0;
 561     while (child) { count++; child = child->next; }
 562     return count;
 563 }
 564
 565 bool wxListBox::Selected( int n )
 566 {
 567     wxCHECK_MSG( m_list != NULL, FALSE, "invalid listbox" );
 568
 569     GList *target = g_list_nth( m_list->children, n );
 570     if (target)
 571     {
 572         GList *child = m_list->selection;
 573         while (child)
 574         {
 575             if (child->data == target->data) return TRUE;
 576             child = child->next;
 577         }
 578     }
 579     wxFAIL_MSG("wrong listbox index");
 580     return FALSE;
 581 }
 582
 583 void wxListBox::Set( int WXUNUSED(n), const wxString *WXUNUSED(choices) )
 584 {
 585     wxFAIL_MSG("wxListBox::Set not implemented");
 586 }
 587
 588 void wxListBox::SetFirstItem( int WXUNUSED(n) )
 589 {
 590     wxFAIL_MSG("wxListBox::SetFirstItem not implemented");
 591 }
 592
 593 void wxListBox::SetFirstItem( const wxString &WXUNUSED(item) )
 594 {
 595     wxFAIL_MSG("wxListBox::SetFirstItem not implemented");
 596 }
 597
 598 void wxListBox::SetSelection( int n, bool select )
 599 {
 600     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 601
 602     if (select)
 603         gtk_list_select_item( m_list, n );
 604     else
 605         gtk_list_unselect_item( m_list, n );
 606 }
 607
 608 void wxListBox::SetString( int n, const wxString &string )
 609 {
 610     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 611
 612     GList *child = g_list_nth( m_list->children, n );
 613     if (child)
 614     {
 615         GtkBin *bin = GTK_BIN( child->data );
 616         GtkLabel *label = GTK_LABEL( bin->child );
 617
 618         wxString str;
 619         if (m_hasCheckBoxes) str += "[-] ";
 620         str += string;
 621
 622         gtk_label_set( label, str );
 623     }
 624     else
 625     {
 626         wxFAIL_MSG("wrong listbox index");
 627     }
 628 }
 629
 630 void wxListBox::SetStringSelection( const wxString &string, bool select )
 631 {
 632     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 633
 634     SetSelection( FindString(string), select );
 635 }
 636
 637 int wxListBox::GetIndex( GtkWidget *item ) const
 638 {
 639     if (item)
 640     {
 641         GList *child = m_list->children;
 642         int count = 0;
 643         while (child)
 644         {
 645             if (GTK_WIDGET(child->data) == item) return count;
 646             count++;
 647             child = child->next;
 648         }
 649     }
 650     return -1;
 651 }
 652
 653 void wxListBox::SetDropTarget( wxDropTarget *dropTarget )
 654 {
 655     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 656
 657 #ifndef NEW_GTK_DND_CODE
 658     if (m_dropTarget)
 659     {
 660         GList *child = m_list->children;
 661         while (child)
 662         {
 663             m_dropTarget->UnregisterWidget( GTK_WIDGET( child->data ) );
 664             child = child->next;
 665         }
 666     }
 667 #endif
 668
 669     wxWindow::SetDropTarget( dropTarget );
 670
 671 #ifndef NEW_GTK_DND_CODE
 672     if (m_dropTarget)
 673     {
 674         GList *child = m_list->children;
 675         while (child)
 676         {
 677             m_dropTarget->RegisterWidget( GTK_WIDGET( child->data ) );
 678             child = child->next;
 679         }
 680     }
 681 #endif
 682 }
 683
 684 GtkWidget *wxListBox::GetConnectWidget()
 685 {
 686     return GTK_WIDGET(m_list);
 687 }
 688
 689 bool wxListBox::IsOwnGtkWindow( GdkWindow *window )
 690 {
 691     if (wxWindow::IsOwnGtkWindow( window )) return TRUE;
 692
 693     GList *child = m_list->children;
 694     while (child)
 695     {
 696         GtkWidget *bin = GTK_WIDGET( child->data );
 697         if (bin->window == window) return TRUE;
 698         child = child->next;
 699     }
 700
 701     return FALSE;
 702 }
 703
 704 void wxListBox::ApplyWidgetStyle()
 705 {
 706     SetWidgetStyle();
 707
 708     if (m_backgroundColour.Ok())
 709     {
 710         GdkWindow *window = GTK_WIDGET(m_list)->window;
 711         m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) );
 712         gdk_window_set_background( window, m_backgroundColour.GetColor() );
 713         gdk_window_clear( window );
 714     }
 715
 716     GList *child = m_list->children;
 717     while (child)
 718     {
 719         gtk_widget_set_style( GTK_WIDGET(child->data), m_widgetStyle );
 720
 721         GtkBin *bin = GTK_BIN( child->data );
 722         GtkWidget *label = GTK_WIDGET( bin->child );
 723         gtk_widget_set_style( label, m_widgetStyle );
 724
 725         child = child->next;
 726     }
 727 }