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 #if wxUSE_DRAG_AND_DROP
  22 #include "wx/dnd.h"
  23 #endif
  24
  25 #include "gdk/gdk.h"
  26 #include "gtk/gtk.h"
  27
  28 //-------------------------------------------------------------------------
  29 // conditional compilation
  30 //-------------------------------------------------------------------------
  31
  32 #if (GTK_MINOR_VERSION == 1)
  33 #if (GTK_MICRO_VERSION >= 5)
  34 #define NEW_GTK_SCROLL_CODE
  35 #endif
  36 #endif
  37
  38 //-----------------------------------------------------------------------------
  39 // data
  40 //-----------------------------------------------------------------------------
  41
  42 extern bool   g_blockEventsOnDrag;
  43 extern bool   g_blockEventsOnScroll;
  44
  45 //-----------------------------------------------------------------------------
  46 // "button_press_event"
  47 //-----------------------------------------------------------------------------
  48
  49 static gint
  50 gtk_listbox_button_press_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxListBox *listbox )
  51 {
  52     if (g_blockEventsOnDrag) return FALSE;
  53     if (g_blockEventsOnScroll) return FALSE;
  54
  55     if (!listbox->HasVMT()) return FALSE;
  56
  57     int sel = listbox->GetIndex( widget );
  58
  59     if ((listbox->m_hasCheckBoxes) && (gdk_event->x < 15) && (gdk_event->type != GDK_2BUTTON_PRESS))
  60     {
  61         wxCheckListBox *clb = (wxCheckListBox *)listbox;
  62
  63         clb->Check( sel, !clb->IsChecked(sel) );
  64
  65         wxCommandEvent event( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, listbox->GetId() );
  66         event.SetEventObject( listbox );
  67         event.SetInt( sel );
  68         listbox->GetEventHandler()->ProcessEvent( event );
  69     }
  70
  71     if (gdk_event->type == GDK_2BUTTON_PRESS)
  72     {
  73         wxCommandEvent event( wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, listbox->GetId() );
  74         event.SetEventObject( listbox );
  75
  76         wxArrayInt aSelections;
  77         int count = listbox->GetSelections(aSelections);
  78         if ( count > 0 )
  79         {
  80             event.m_commandInt = aSelections[0] ;
  81             event.m_clientData = listbox->GetClientData( event.m_commandInt );
  82             wxString str(listbox->GetString(event.m_commandInt));
  83             if (str != "") event.m_commandString = copystring((char *)(const char *)str);
  84         }
  85         else
  86         {
  87             event.m_commandInt = -1 ;
  88             event.m_commandString = copystring("") ;
  89         }
  90
  91         listbox->GetEventHandler()->ProcessEvent( event );
  92
  93         if (event.m_commandString) delete[] event.m_commandString ;
  94     }
  95
  96     return FALSE;
  97 }
  98
  99 //-----------------------------------------------------------------------------
 100 // "key_press_event"
 101 //-----------------------------------------------------------------------------
 102
 103 static gint
 104 gtk_listbox_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxListBox *listbox )
 105 {
 106     if (g_blockEventsOnDrag) return FALSE;
 107
 108     if (!listbox->HasVMT()) return FALSE;
 109
 110     if (gdk_event->keyval != ' ') return FALSE;
 111
 112     int sel = listbox->GetIndex( widget );
 113
 114     wxCheckListBox *clb = (wxCheckListBox *)listbox;
 115
 116     clb->Check( sel, !clb->IsChecked(sel) );
 117
 118     wxCommandEvent event( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, listbox->GetId() );
 119     event.SetEventObject( listbox );
 120     event.SetInt( sel );
 121     listbox->GetEventHandler()->ProcessEvent( event );
 122
 123     return FALSE;
 124 }
 125
 126 //-----------------------------------------------------------------------------
 127 // "select" and "deselect"
 128 //-----------------------------------------------------------------------------
 129
 130 static void gtk_listitem_select_callback( GtkWidget *WXUNUSED(widget), wxListBox *listbox )
 131 {
 132     if (!listbox->HasVMT()) return;
 133     if (g_blockEventsOnDrag) return;
 134
 135     wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() );
 136
 137     wxArrayInt aSelections;
 138     int count = listbox->GetSelections(aSelections);
 139     if ( count > 0 )
 140     {
 141         event.m_commandInt = aSelections[0] ;
 142         event.m_clientData = listbox->GetClientData( event.m_commandInt );
 143         wxString str(listbox->GetString(event.m_commandInt));
 144         if (str != "") event.m_commandString = copystring((char *)(const char *)str);
 145     }
 146     else
 147     {
 148         event.m_commandInt = -1 ;
 149         event.m_commandString = copystring("") ;
 150     }
 151
 152     event.SetEventObject( listbox );
 153
 154     listbox->GetEventHandler()->ProcessEvent( event );
 155     if (event.m_commandString) delete[] event.m_commandString ;
 156 }
 157
 158 //-----------------------------------------------------------------------------
 159 // wxListBox
 160 //-----------------------------------------------------------------------------
 161
 162 IMPLEMENT_DYNAMIC_CLASS(wxListBox,wxControl)
 163
 164 wxListBox::wxListBox()
 165 {
 166     m_list = (GtkList *) NULL;
 167     m_hasCheckBoxes = FALSE;
 168 }
 169
 170 bool wxListBox::Create( wxWindow *parent, wxWindowID id,
 171                         const wxPoint &pos, const wxSize &size,
 172                         int n, const wxString choices[],
 173                         long style, const wxValidator& validator, const wxString &name )
 174 {
 175     m_needParent = TRUE;
 176     m_acceptsFocus = TRUE;
 177
 178     PreCreation( parent, id, pos, size, style, name );
 179
 180     SetValidator( validator );
 181
 182     m_widget = gtk_scrolled_window_new( (GtkAdjustment*) NULL, (GtkAdjustment*) NULL );
 183     gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(m_widget),
 184       GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
 185
 186     m_list = GTK_LIST( gtk_list_new() );
 187
 188     GtkSelectionMode mode = GTK_SELECTION_BROWSE;
 189     if (style & wxLB_MULTIPLE)
 190         mode = GTK_SELECTION_MULTIPLE;
 191     else if (style & wxLB_EXTENDED)
 192         mode = GTK_SELECTION_EXTENDED;
 193
 194     gtk_list_set_selection_mode( GTK_LIST(m_list), mode );
 195
 196 #ifdef NEW_GTK_SCROLL_CODE
 197     gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW(m_widget), GTK_WIDGET(m_list) );
 198 #else
 199     gtk_container_add( GTK_CONTAINER(m_widget), GTK_WIDGET(m_list) );
 200 #endif
 201
 202 #ifdef __WXDEBUG__
 203     debug_focus_in( m_widget, "wxListBox::m_widget", name );
 204
 205     debug_focus_in( GTK_WIDGET(m_list), "wxListBox::m_list", name );
 206
 207     GtkScrolledWindow *s_window = GTK_SCROLLED_WINDOW(m_widget);
 208
 209     debug_focus_in( s_window->hscrollbar, "wxWindow::hsrcollbar", name );
 210     debug_focus_in( s_window->vscrollbar, "wxWindow::vsrcollbar", name );
 211
 212 #ifdef NEW_GTK_SCROLL_CODE
 213     GtkViewport *viewport = GTK_VIEWPORT(s_window->child);
 214 #else
 215     GtkViewport *viewport = GTK_VIEWPORT(s_window->viewport);
 216 #endif
 217
 218     debug_focus_in( GTK_WIDGET(viewport), "wxWindow::viewport", name );
 219 #endif
 220
 221     gtk_widget_show( GTK_WIDGET(m_list) );
 222
 223     wxSize newSize = size;
 224     if (newSize.x == -1) newSize.x = 100;
 225     if (newSize.y == -1) newSize.y = 110;
 226     SetSize( newSize.x, newSize.y );
 227
 228     for (int i = 0; i < n; i++)
 229     {
 230         m_clientDataList.Append( (wxObject*) NULL );
 231         m_clientObjectList.Append( (wxObject*) NULL );
 232
 233         GtkWidget *list_item;
 234
 235         if (m_hasCheckBoxes)
 236         {
 237             wxString str = "[-] ";
 238             str += choices[i];
 239             list_item = gtk_list_item_new_with_label( str );
 240         }
 241         else
 242         {
 243             list_item = gtk_list_item_new_with_label( choices[i] );
 244         }
 245
 246 #ifdef __WXDEBUG__
 247         debug_focus_in( list_item, "wxListBox::list_item", name );
 248 #endif
 249
 250         gtk_container_add( GTK_CONTAINER(m_list), list_item );
 251
 252         gtk_signal_connect( GTK_OBJECT(list_item), "select",
 253           GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
 254
 255         if (style & wxLB_MULTIPLE)
 256             gtk_signal_connect( GTK_OBJECT(list_item), "deselect",
 257               GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
 258
 259         gtk_signal_connect( GTK_OBJECT(list_item),
 260                             "button_press_event",
 261                             (GtkSignalFunc)gtk_listbox_button_press_callback,
 262                             (gpointer) this );
 263
 264         if (m_hasCheckBoxes)
 265         {
 266             gtk_signal_connect( GTK_OBJECT(list_item),
 267                             "key_press_event",
 268                             (GtkSignalFunc)gtk_listbox_key_press_callback,
 269                             (gpointer)this );
 270         }
 271
 272         ConnectWidget( list_item );
 273
 274         gtk_widget_show( list_item );
 275     }
 276
 277     m_parent->AddChild( this );
 278
 279     (m_parent->m_insertCallback)( m_parent, this );
 280
 281     PostCreation();
 282
 283     gtk_widget_realize( GTK_WIDGET(m_list) );
 284
 285     SetBackgroundColour( parent->GetBackgroundColour() );
 286     SetForegroundColour( parent->GetForegroundColour() );
 287
 288     Show( TRUE );
 289
 290     return TRUE;
 291 }
 292
 293 wxListBox::~wxListBox()
 294 {
 295     Clear();
 296 }
 297
 298 void wxListBox::AppendCommon( const wxString &item )
 299 {
 300     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 301
 302     GtkWidget *list_item;
 303
 304     if (m_hasCheckBoxes)
 305     {
 306         wxString str = "[-] ";
 307         str += item;
 308         list_item = gtk_list_item_new_with_label( str );
 309     }
 310     else
 311     {
 312         list_item = gtk_list_item_new_with_label( item );
 313     }
 314
 315     gtk_signal_connect( GTK_OBJECT(list_item), "select",
 316       GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
 317
 318     if (GetWindowStyleFlag() & wxLB_MULTIPLE)
 319         gtk_signal_connect( GTK_OBJECT(list_item), "deselect",
 320           GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
 321
 322     gtk_container_add( GTK_CONTAINER(m_list), list_item );
 323
 324     if (m_widgetStyle) ApplyWidgetStyle();
 325
 326     gtk_signal_connect( GTK_OBJECT(list_item),
 327                         "button_press_event",
 328                         (GtkSignalFunc)gtk_listbox_button_press_callback,
 329                         (gpointer) this );
 330
 331     if (m_hasCheckBoxes)
 332     {
 333        gtk_signal_connect( GTK_OBJECT(list_item),
 334                         "key_press_event",
 335                         (GtkSignalFunc)gtk_listbox_key_press_callback,
 336                         (gpointer)this );
 337     }
 338
 339     gtk_widget_show( list_item );
 340
 341     ConnectWidget( list_item );
 342
 343 #if wxUSE_DRAG_AND_DROP
 344 #ifndef NEW_GTK_DND_CODE
 345     if (m_dropTarget) m_dropTarget->RegisterWidget( list_item );
 346 #endif
 347 #endif
 348 }
 349
 350 void wxListBox::Append( const wxString &item )
 351 {
 352     m_clientDataList.Append( (wxObject*) NULL );
 353     m_clientObjectList.Append( (wxObject*) NULL );
 354
 355     AppendCommon( item );
 356 }
 357
 358 void wxListBox::Append( const wxString &item, void *clientData )
 359 {
 360     m_clientDataList.Append( (wxObject*) clientData );
 361     m_clientObjectList.Append( (wxObject*) NULL );
 362
 363     AppendCommon( item );
 364 }
 365
 366 void wxListBox::Append( const wxString &item, wxClientData *clientData )
 367 {
 368     m_clientObjectList.Append( (wxObject*) clientData );
 369     m_clientDataList.Append( (wxObject*) NULL );
 370
 371     AppendCommon( item );
 372 }
 373
 374 void wxListBox::SetClientData( int n, void* clientData )
 375 {
 376     wxCHECK_RET( m_widget != NULL, "invalid combobox" );
 377
 378     wxNode *node = m_clientDataList.Nth( n );
 379     if (!node) return;
 380
 381     node->SetData( (wxObject*) clientData );
 382 }
 383
 384 void* wxListBox::GetClientData( int n )
 385 {
 386     wxCHECK_MSG( m_widget != NULL, NULL, "invalid combobox" );
 387
 388     wxNode *node = m_clientDataList.Nth( n );
 389     if (!node) return NULL;
 390
 391     return node->Data();
 392 }
 393
 394 void wxListBox::SetClientObject( int n, wxClientData* clientData )
 395 {
 396     wxCHECK_RET( m_widget != NULL, "invalid combobox" );
 397
 398     wxNode *node = m_clientObjectList.Nth( n );
 399     if (!node) return;
 400
 401     wxClientData *cd = (wxClientData*) node->Data();
 402     if (cd) delete cd;
 403
 404     node->SetData( (wxObject*) clientData );
 405 }
 406
 407 wxClientData* wxListBox::GetClientObject( int n )
 408 {
 409     wxCHECK_MSG( m_widget != NULL, (wxClientData*)NULL, "invalid combobox" );
 410
 411     wxNode *node = m_clientObjectList.Nth( n );
 412     if (!node) return (wxClientData*) NULL;
 413
 414     return (wxClientData*) node->Data();
 415 }
 416
 417 void wxListBox::Clear()
 418 {
 419     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 420
 421     gtk_list_clear_items( m_list, 0, Number() );
 422
 423     wxNode *node = m_clientObjectList.First();
 424     while (node)
 425     {
 426         wxClientData *cd = (wxClientData*)node->Data();
 427         if (cd) delete cd;
 428         node = node->Next();
 429     }
 430     m_clientObjectList.Clear();
 431
 432     m_clientDataList.Clear();
 433 }
 434
 435 void wxListBox::Delete( int n )
 436 {
 437     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 438
 439     GList *child = g_list_nth( m_list->children, n );
 440
 441     wxCHECK_RET( child, "wrong listbox index" );
 442
 443     GList *list = g_list_append( (GList*) NULL, child->data );
 444     gtk_list_remove_items( m_list, list );
 445     g_list_free( list );
 446
 447     wxNode *node = m_clientObjectList.Nth( n );
 448     if (node)
 449     {
 450         wxClientData *cd = (wxClientData*)node->Data();
 451         if (cd) delete cd;
 452         m_clientObjectList.DeleteNode( node );
 453     }
 454
 455     node = m_clientDataList.Nth( n );
 456     if (node)
 457     {
 458         m_clientDataList.DeleteNode( node );
 459     }
 460 }
 461
 462 void wxListBox::Deselect( int n )
 463 {
 464     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 465
 466     gtk_list_unselect_item( m_list, n );
 467 }
 468
 469 int wxListBox::FindString( const wxString &item ) const
 470 {
 471     wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );
 472
 473     GList *child = m_list->children;
 474     int count = 0;
 475     while (child)
 476     {
 477         GtkBin *bin = GTK_BIN( child->data );
 478         GtkLabel *label = GTK_LABEL( bin->child );
 479
 480         wxString str = label->label;
 481         if (m_hasCheckBoxes) str.Remove( 0, 4 );
 482
 483         if (str == item) return count;
 484
 485         count++;
 486         child = child->next;
 487     }
 488
 489   // it's not an error if the string is not found -> no wxCHECK
 490
 491   return -1;
 492 }
 493
 494 int wxListBox::GetSelection() const
 495 {
 496     wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );
 497
 498     GList *child = m_list->children;
 499     int count = 0;
 500     while (child)
 501     {
 502         if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED) return count;
 503         count++;
 504         child = child->next;
 505     }
 506     return -1;
 507 }
 508
 509 int wxListBox::GetSelections( wxArrayInt& aSelections ) const
 510 {
 511     wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );
 512
 513     // get the number of selected items first
 514     GList *child = m_list->children;
 515     int count = 0;
 516     for (child = m_list->children; child != NULL; child = child->next)
 517     {
 518         if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED)
 519             count++;
 520     }
 521
 522     aSelections.Empty();
 523
 524     if (count > 0)
 525     {
 526         // now fill the list
 527         aSelections.Alloc(count); // optimization attempt
 528         int i = 0;
 529         for (child = m_list->children; child != NULL; child = child->next, i++)
 530         {
 531             if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED)
 532                  aSelections.Add(i);
 533         }
 534     }
 535
 536     return count;
 537 }
 538
 539 wxString wxListBox::GetString( int n ) const
 540 {
 541     wxCHECK_MSG( m_list != NULL, "", "invalid listbox" );
 542
 543     GList *child = g_list_nth( m_list->children, n );
 544     if (child)
 545     {
 546         GtkBin *bin = GTK_BIN( child->data );
 547         GtkLabel *label = GTK_LABEL( bin->child );
 548
 549         wxString str = label->label;
 550         if (m_hasCheckBoxes) str.Remove( 0, 4 );
 551
 552         return str;
 553     }
 554     wxFAIL_MSG("wrong listbox index");
 555     return "";
 556 }
 557
 558 wxString wxListBox::GetStringSelection() const
 559 {
 560     wxCHECK_MSG( m_list != NULL, "", "invalid listbox" );
 561
 562     GList *selection = m_list->selection;
 563     if (selection)
 564     {
 565         GtkBin *bin = GTK_BIN( selection->data );
 566         GtkLabel *label = GTK_LABEL( bin->child );
 567
 568         wxString str = label->label;
 569         if (m_hasCheckBoxes) str.Remove( 0, 4 );
 570
 571         return str;
 572     }
 573
 574     wxFAIL_MSG("no listbox selection available");
 575     return "";
 576 }
 577
 578 int wxListBox::Number()
 579 {
 580     wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );
 581
 582     GList *child = m_list->children;
 583     int count = 0;
 584     while (child) { count++; child = child->next; }
 585     return count;
 586 }
 587
 588 bool wxListBox::Selected( int n )
 589 {
 590     wxCHECK_MSG( m_list != NULL, FALSE, "invalid listbox" );
 591
 592     GList *target = g_list_nth( m_list->children, n );
 593     if (target)
 594     {
 595         GList *child = m_list->selection;
 596         while (child)
 597         {
 598             if (child->data == target->data) return TRUE;
 599             child = child->next;
 600         }
 601     }
 602     wxFAIL_MSG("wrong listbox index");
 603     return FALSE;
 604 }
 605
 606 void wxListBox::Set( int WXUNUSED(n), const wxString *WXUNUSED(choices) )
 607 {
 608     wxFAIL_MSG("wxListBox::Set not implemented");
 609 }
 610
 611 void wxListBox::SetFirstItem( int WXUNUSED(n) )
 612 {
 613     wxFAIL_MSG("wxListBox::SetFirstItem not implemented");
 614 }
 615
 616 void wxListBox::SetFirstItem( const wxString &WXUNUSED(item) )
 617 {
 618     wxFAIL_MSG("wxListBox::SetFirstItem not implemented");
 619 }
 620
 621 void wxListBox::SetSelection( int n, bool select )
 622 {
 623     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 624
 625     if (select)
 626         gtk_list_select_item( m_list, n );
 627     else
 628         gtk_list_unselect_item( m_list, n );
 629 }
 630
 631 void wxListBox::SetString( int n, const wxString &string )
 632 {
 633     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 634
 635     GList *child = g_list_nth( m_list->children, n );
 636     if (child)
 637     {
 638         GtkBin *bin = GTK_BIN( child->data );
 639         GtkLabel *label = GTK_LABEL( bin->child );
 640
 641         wxString str;
 642         if (m_hasCheckBoxes) str += "[-] ";
 643         str += string;
 644
 645         gtk_label_set( label, str );
 646     }
 647     else
 648     {
 649         wxFAIL_MSG("wrong listbox index");
 650     }
 651 }
 652
 653 void wxListBox::SetStringSelection( const wxString &string, bool select )
 654 {
 655     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 656
 657     SetSelection( FindString(string), select );
 658 }
 659
 660 int wxListBox::GetIndex( GtkWidget *item ) const
 661 {
 662     if (item)
 663     {
 664         GList *child = m_list->children;
 665         int count = 0;
 666         while (child)
 667         {
 668             if (GTK_WIDGET(child->data) == item) return count;
 669             count++;
 670             child = child->next;
 671         }
 672     }
 673     return -1;
 674 }
 675
 676 #if wxUSE_DRAG_AND_DROP
 677 void wxListBox::SetDropTarget( wxDropTarget *dropTarget )
 678 {
 679     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 680
 681 #ifndef NEW_GTK_DND_CODE
 682     if (m_dropTarget)
 683     {
 684         GList *child = m_list->children;
 685         while (child)
 686         {
 687             m_dropTarget->UnregisterWidget( GTK_WIDGET( child->data ) );
 688             child = child->next;
 689         }
 690     }
 691 #endif
 692
 693     wxWindow::SetDropTarget( dropTarget );
 694
 695 #ifndef NEW_GTK_DND_CODE
 696     if (m_dropTarget)
 697     {
 698         GList *child = m_list->children;
 699         while (child)
 700         {
 701             m_dropTarget->RegisterWidget( GTK_WIDGET( child->data ) );
 702             child = child->next;
 703         }
 704     }
 705 #endif
 706 }
 707 #endif
 708
 709 GtkWidget *wxListBox::GetConnectWidget()
 710 {
 711     return GTK_WIDGET(m_list);
 712 }
 713
 714 bool wxListBox::IsOwnGtkWindow( GdkWindow *window )
 715 {
 716     if (wxWindow::IsOwnGtkWindow( window )) return TRUE;
 717
 718     GList *child = m_list->children;
 719     while (child)
 720     {
 721         GtkWidget *bin = GTK_WIDGET( child->data );
 722         if (bin->window == window) return TRUE;
 723         child = child->next;
 724     }
 725
 726     return FALSE;
 727 }
 728
 729 void wxListBox::ApplyWidgetStyle()
 730 {
 731     SetWidgetStyle();
 732
 733     if (m_backgroundColour.Ok())
 734     {
 735         GdkWindow *window = GTK_WIDGET(m_list)->window;
 736         m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) );
 737         gdk_window_set_background( window, m_backgroundColour.GetColor() );
 738         gdk_window_clear( window );
 739     }
 740
 741     GList *child = m_list->children;
 742     while (child)
 743     {
 744         gtk_widget_set_style( GTK_WIDGET(child->data), m_widgetStyle );
 745
 746         GtkBin *bin = GTK_BIN( child->data );
 747         GtkWidget *label = GTK_WIDGET( bin->child );
 748         gtk_widget_set_style( label, m_widgetStyle );
 749
 750         child = child->next;
 751     }
 752 }