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_TOOLTIPS
  22 #include "wx/tooltip.h"
  23 #endif
  24
  25 #if wxUSE_DRAG_AND_DROP
  26 #include "wx/dnd.h"
  27 #endif
  28
  29 #include "gdk/gdk.h"
  30 #include "gtk/gtk.h"
  31
  32 //-------------------------------------------------------------------------
  33 // conditional compilation
  34 //-------------------------------------------------------------------------
  35
  36 #if (GTK_MINOR_VERSION > 0)
  37 #define NEW_GTK_SCROLL_CODE
  38 #endif
  39
  40 //-----------------------------------------------------------------------------
  41 // private functions
  42 //-----------------------------------------------------------------------------
  43
  44 #define CHECKBOX_STRING "[-] "
  45
  46 // checklistboxes have "[±] " prepended to their lables, this macro removes it
  47 // (NB: 4 below is the length of CHECKBOX_STRING above)
  48 //
  49 // the argument to it is a "const char *" pointer
  50 #define GET_REAL_LABEL(label) ((m_hasCheckBoxes)?(label)+4 : (label))
  51
  52 //-----------------------------------------------------------------------------
  53 // data
  54 //-----------------------------------------------------------------------------
  55
  56 extern bool   g_blockEventsOnDrag;
  57 extern bool   g_blockEventsOnScroll;
  58
  59 //-----------------------------------------------------------------------------
  60 // "button_press_event"
  61 //-----------------------------------------------------------------------------
  62
  63 static gint
  64 gtk_listbox_button_press_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxListBox *listbox )
  65 {
  66     if (g_blockEventsOnDrag) return FALSE;
  67     if (g_blockEventsOnScroll) return FALSE;
  68
  69     if (!listbox->HasVMT()) return FALSE;
  70
  71     int sel = listbox->GetIndex( widget );
  72
  73     if ((listbox->m_hasCheckBoxes) && (gdk_event->x < 15) && (gdk_event->type != GDK_2BUTTON_PRESS))
  74     {
  75         wxCheckListBox *clb = (wxCheckListBox *)listbox;
  76
  77         clb->Check( sel, !clb->IsChecked(sel) );
  78
  79         wxCommandEvent event( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, listbox->GetId() );
  80         event.SetEventObject( listbox );
  81         event.SetInt( sel );
  82         listbox->GetEventHandler()->ProcessEvent( event );
  83     }
  84
  85     if (gdk_event->type == GDK_2BUTTON_PRESS)
  86     {
  87         wxCommandEvent event( wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, listbox->GetId() );
  88         event.SetEventObject( listbox );
  89
  90         wxArrayInt aSelections;
  91         int count = listbox->GetSelections(aSelections);
  92         if ( count > 0 )
  93         {
  94             event.m_commandInt = aSelections[0] ;
  95             event.m_clientData = listbox->GetClientData( event.m_commandInt );
  96             wxString str(listbox->GetString(event.m_commandInt));
  97             if (!str.IsEmpty()) event.m_commandString = str;
  98         }
  99         else
 100         {
 101             event.m_commandInt = -1 ;
 102             event.m_commandString.Empty();
 103         }
 104
 105         listbox->GetEventHandler()->ProcessEvent( event );
 106
 107     }
 108
 109     return FALSE;
 110 }
 111
 112 //-----------------------------------------------------------------------------
 113 // "key_press_event"
 114 //-----------------------------------------------------------------------------
 115
 116 static gint
 117 gtk_listbox_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxListBox *listbox )
 118 {
 119     if (g_blockEventsOnDrag) return FALSE;
 120
 121     if (!listbox->HasVMT()) return FALSE;
 122
 123     if (gdk_event->keyval != ' ') return FALSE;
 124
 125     int sel = listbox->GetIndex( widget );
 126
 127     wxCheckListBox *clb = (wxCheckListBox *)listbox;
 128
 129     clb->Check( sel, !clb->IsChecked(sel) );
 130
 131     wxCommandEvent event( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, listbox->GetId() );
 132     event.SetEventObject( listbox );
 133     event.SetInt( sel );
 134     listbox->GetEventHandler()->ProcessEvent( event );
 135
 136     return FALSE;
 137 }
 138
 139 //-----------------------------------------------------------------------------
 140 // "select" and "deselect"
 141 //-----------------------------------------------------------------------------
 142
 143 static void gtk_listitem_select_callback( GtkWidget *WXUNUSED(widget), wxListBox *listbox )
 144 {
 145     if (!listbox->HasVMT()) return;
 146     if (g_blockEventsOnDrag) return;
 147
 148     wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() );
 149
 150     wxArrayInt aSelections;
 151     int count = listbox->GetSelections(aSelections);
 152     if ( count > 0 )
 153     {
 154         event.m_commandInt = aSelections[0] ;
 155         event.m_clientData = listbox->GetClientData( event.m_commandInt );
 156         wxString str(listbox->GetString(event.m_commandInt));
 157         if (!str.IsEmpty()) event.m_commandString = str;
 158     }
 159     else
 160     {
 161         event.m_commandInt = -1 ;
 162         event.m_commandString.Empty();
 163     }
 164
 165     event.SetEventObject( listbox );
 166
 167     listbox->GetEventHandler()->ProcessEvent( event );
 168 }
 169
 170 //-----------------------------------------------------------------------------
 171 // wxListBox
 172 //-----------------------------------------------------------------------------
 173
 174 IMPLEMENT_DYNAMIC_CLASS(wxListBox,wxControl)
 175
 176 wxListBox::wxListBox()
 177 {
 178     m_list = (GtkList *) NULL;
 179     m_hasCheckBoxes = FALSE;
 180 }
 181
 182 bool wxListBox::Create( wxWindow *parent, wxWindowID id,
 183                         const wxPoint &pos, const wxSize &size,
 184                         int n, const wxString choices[],
 185                         long style, const wxValidator& validator, const wxString &name )
 186 {
 187     m_needParent = TRUE;
 188     m_acceptsFocus = TRUE;
 189
 190     PreCreation( parent, id, pos, size, style, name );
 191
 192     SetValidator( validator );
 193
 194     m_widget = gtk_scrolled_window_new( (GtkAdjustment*) NULL, (GtkAdjustment*) NULL );
 195     if (style & wxLB_ALWAYS_SB)
 196     {
 197       gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(m_widget),
 198         GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS );
 199     }
 200     else
 201     {
 202       gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(m_widget),
 203         GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
 204     }
 205
 206     m_list = GTK_LIST( gtk_list_new() );
 207
 208     GtkSelectionMode mode = GTK_SELECTION_BROWSE;
 209     if (style & wxLB_MULTIPLE)
 210         mode = GTK_SELECTION_MULTIPLE;
 211     else if (style & wxLB_EXTENDED)
 212         mode = GTK_SELECTION_EXTENDED;
 213
 214     gtk_list_set_selection_mode( GTK_LIST(m_list), mode );
 215
 216 #ifdef NEW_GTK_SCROLL_CODE
 217     gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW(m_widget), GTK_WIDGET(m_list) );
 218 #else
 219     gtk_container_add( GTK_CONTAINER(m_widget), GTK_WIDGET(m_list) );
 220 #endif
 221
 222     gtk_widget_show( GTK_WIDGET(m_list) );
 223
 224     wxSize newSize = size;
 225     if (newSize.x == -1) newSize.x = 100;
 226     if (newSize.y == -1) newSize.y = 110;
 227     SetSize( newSize.x, newSize.y );
 228
 229     for (int i = 0; i < n; i++)
 230     {
 231         m_clientDataList.Append( (wxObject*) NULL );
 232         m_clientObjectList.Append( (wxObject*) NULL );
 233
 234         GtkWidget *list_item;
 235
 236         wxString str(choices[i]);
 237         if (m_hasCheckBoxes)
 238         {
 239             str.Prepend(CHECKBOX_STRING);
 240         }
 241
 242         list_item = gtk_list_item_new_with_label( str );
 243
 244         gtk_container_add( GTK_CONTAINER(m_list), list_item );
 245
 246         gtk_signal_connect( GTK_OBJECT(list_item), "select",
 247           GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
 248
 249         if (style & wxLB_MULTIPLE)
 250             gtk_signal_connect( GTK_OBJECT(list_item), "deselect",
 251               GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
 252
 253         gtk_signal_connect( GTK_OBJECT(list_item),
 254                             "button_press_event",
 255                             (GtkSignalFunc)gtk_listbox_button_press_callback,
 256                             (gpointer) this );
 257
 258         if (m_hasCheckBoxes)
 259         {
 260             gtk_signal_connect( GTK_OBJECT(list_item),
 261                             "key_press_event",
 262                             (GtkSignalFunc)gtk_listbox_key_press_callback,
 263                             (gpointer)this );
 264         }
 265
 266         ConnectWidget( list_item );
 267
 268         gtk_widget_show( list_item );
 269     }
 270
 271     m_parent->AddChild( this );
 272
 273     (m_parent->m_insertCallback)( m_parent, this );
 274
 275     PostCreation();
 276
 277     gtk_widget_realize( GTK_WIDGET(m_list) );
 278
 279     SetBackgroundColour( parent->GetBackgroundColour() );
 280     SetForegroundColour( parent->GetForegroundColour() );
 281     SetFont( parent->GetFont() );
 282
 283     Show( TRUE );
 284
 285     return TRUE;
 286 }
 287
 288 wxListBox::~wxListBox()
 289 {
 290     Clear();
 291 }
 292
 293 void wxListBox::InsertItems(int nItems, const wxString items[], int pos)
 294 {
 295     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 296
 297     GList *children = m_list->children;
 298     int length = g_list_length(children);
 299     wxCHECK_RET( pos <= length, "invalid index in wxListBox::InsertItems" );
 300
 301     // VZ: it seems that GTK 1.0.6 doesn't has a function to insert an item
 302     //     into a listbox at the given position, this is why we first delete
 303     //     all items after this position, then append these items and then
 304     //     reappend back the old ones.
 305
 306     // first detach the old items
 307     int n; // loop var
 308
 309     if ( pos == length )
 310     {
 311         // no need to do anything complicated
 312         for ( n = 0; n < nItems; n++ )
 313         {
 314             Append(items[n]);
 315         }
 316
 317         return;
 318     }
 319
 320     wxArrayString deletedLabels;
 321     wxArrayPtrVoid deletedData;
 322     wxArrayInt deletedChecks;   // only for check list boxes
 323
 324     GList *child = g_list_nth( children, pos );
 325     for ( n = 0; child != NULL; n++, child = child->next )
 326     {
 327         // save label
 328         GtkBin *bin = GTK_BIN( child->data );
 329         GtkLabel *label = GTK_LABEL( bin->child );
 330
 331         wxString str(GET_REAL_LABEL(label->label));
 332         deletedLabels.Add(str);
 333
 334         // save data
 335         void *clientData = NULL;
 336         wxNode *node = NULL;
 337
 338         if ( n < (int)m_clientObjectList.GetCount() )
 339             node = m_clientObjectList.Nth( n );
 340
 341         if ( node )
 342         {
 343             clientData = node->GetData();
 344             m_clientObjectList.DeleteNode( node );
 345         }
 346
 347         if ( !clientData )
 348         {
 349             if ( n < (int)m_clientDataList.GetCount() )
 350                 node = m_clientDataList.Nth( n );
 351
 352             if ( node )
 353             {
 354                 clientData = node->GetData();
 355                 node = m_clientDataList.Nth( n );
 356             }
 357         }
 358
 359         deletedData.Add(clientData);
 360
 361         // save check state
 362         if ( m_hasCheckBoxes )
 363         {
 364             deletedChecks.Add(((wxCheckListBox *)this)->IsChecked(pos + n));
 365         }
 366     }
 367
 368     int nDeletedCount = n;
 369
 370     gtk_list_clear_items( m_list, pos, length );
 371
 372     // now append the new items
 373     for ( n = 0; n < nItems; n++ )
 374     {
 375         Append(items[n]);
 376     }
 377
 378     // and append the old items too
 379     pos += nItems;  // now the indices are shifter
 380     for ( n = 0; n < nDeletedCount; n++ )
 381     {
 382         Append(deletedLabels[n], deletedData[n]);
 383
 384         if ( m_hasCheckBoxes )
 385         {
 386             ((wxCheckListBox *)this)->Check(pos + n, (bool)deletedChecks[n]);
 387         }
 388     }
 389 }
 390
 391 void wxListBox::AppendCommon( const wxString &item )
 392 {
 393     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 394
 395     GtkWidget *list_item;
 396
 397     wxString label(item);
 398     if (m_hasCheckBoxes)
 399     {
 400         label.Prepend(CHECKBOX_STRING);
 401     }
 402
 403     list_item = gtk_list_item_new_with_label( label );
 404
 405     gtk_container_add( GTK_CONTAINER(m_list), list_item );
 406
 407     gtk_signal_connect( GTK_OBJECT(list_item), "select",
 408       GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
 409
 410     if (GetWindowStyleFlag() & wxLB_MULTIPLE)
 411         gtk_signal_connect( GTK_OBJECT(list_item), "deselect",
 412           GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
 413
 414     if (m_widgetStyle) ApplyWidgetStyle();
 415
 416     gtk_signal_connect( GTK_OBJECT(list_item),
 417                         "button_press_event",
 418                         (GtkSignalFunc)gtk_listbox_button_press_callback,
 419                         (gpointer) this );
 420
 421     if (m_hasCheckBoxes)
 422     {
 423        gtk_signal_connect( GTK_OBJECT(list_item),
 424                            "key_press_event",
 425                            (GtkSignalFunc)gtk_listbox_key_press_callback,
 426                            (gpointer)this );
 427     }
 428
 429     gtk_widget_show( list_item );
 430
 431     ConnectWidget( list_item );
 432
 433 #if wxUSE_DRAG_AND_DROP
 434 #ifndef NEW_GTK_DND_CODE
 435     if (m_dropTarget) m_dropTarget->RegisterWidget( list_item );
 436 #endif
 437 #endif
 438
 439 #if wxUSE_TOOLTIPS
 440     if (m_toolTip) m_toolTip->Apply( this );
 441 #endif
 442 }
 443
 444 void wxListBox::Append( const wxString &item )
 445 {
 446     m_clientDataList.Append( (wxObject*) NULL );
 447     m_clientObjectList.Append( (wxObject*) NULL );
 448
 449     AppendCommon( item );
 450 }
 451
 452 void wxListBox::Append( const wxString &item, void *clientData )
 453 {
 454     m_clientDataList.Append( (wxObject*) clientData );
 455     m_clientObjectList.Append( (wxObject*) NULL );
 456
 457     AppendCommon( item );
 458 }
 459
 460 void wxListBox::Append( const wxString &item, wxClientData *clientData )
 461 {
 462     m_clientObjectList.Append( (wxObject*) clientData );
 463     m_clientDataList.Append( (wxObject*) NULL );
 464
 465     AppendCommon( item );
 466 }
 467
 468 void wxListBox::SetClientData( int n, void* clientData )
 469 {
 470     wxCHECK_RET( m_widget != NULL, "invalid combobox" );
 471
 472     wxNode *node = m_clientDataList.Nth( n );
 473     if (!node) return;
 474
 475     node->SetData( (wxObject*) clientData );
 476 }
 477
 478 void* wxListBox::GetClientData( int n )
 479 {
 480     wxCHECK_MSG( m_widget != NULL, NULL, "invalid combobox" );
 481
 482     wxNode *node = m_clientDataList.Nth( n );
 483     if (!node) return NULL;
 484
 485     return node->Data();
 486 }
 487
 488 void wxListBox::SetClientObject( int n, wxClientData* clientData )
 489 {
 490     wxCHECK_RET( m_widget != NULL, "invalid combobox" );
 491
 492     wxNode *node = m_clientObjectList.Nth( n );
 493     if (!node) return;
 494
 495     wxClientData *cd = (wxClientData*) node->Data();
 496     if (cd) delete cd;
 497
 498     node->SetData( (wxObject*) clientData );
 499 }
 500
 501 wxClientData* wxListBox::GetClientObject( int n )
 502 {
 503     wxCHECK_MSG( m_widget != NULL, (wxClientData*)NULL, "invalid combobox" );
 504
 505     wxNode *node = m_clientObjectList.Nth( n );
 506     if (!node) return (wxClientData*) NULL;
 507
 508     return (wxClientData*) node->Data();
 509 }
 510
 511 void wxListBox::Clear()
 512 {
 513     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 514
 515     gtk_list_clear_items( m_list, 0, Number() );
 516
 517     wxNode *node = m_clientObjectList.First();
 518     while (node)
 519     {
 520         wxClientData *cd = (wxClientData*)node->Data();
 521         if (cd) delete cd;
 522         node = node->Next();
 523     }
 524     m_clientObjectList.Clear();
 525
 526     m_clientDataList.Clear();
 527 }
 528
 529 void wxListBox::Delete( int n )
 530 {
 531     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 532
 533     GList *child = g_list_nth( m_list->children, n );
 534
 535     wxCHECK_RET( child, "wrong listbox index" );
 536
 537     GList *list = g_list_append( (GList*) NULL, child->data );
 538     gtk_list_remove_items( m_list, list );
 539     g_list_free( list );
 540
 541     wxNode *node = m_clientObjectList.Nth( n );
 542     if (node)
 543     {
 544         wxClientData *cd = (wxClientData*)node->Data();
 545         if (cd) delete cd;
 546         m_clientObjectList.DeleteNode( node );
 547     }
 548
 549     node = m_clientDataList.Nth( n );
 550     if (node)
 551     {
 552         m_clientDataList.DeleteNode( node );
 553     }
 554 }
 555
 556 void wxListBox::Deselect( int n )
 557 {
 558     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 559
 560     gtk_list_unselect_item( m_list, n );
 561 }
 562
 563 int wxListBox::FindString( const wxString &item ) const
 564 {
 565     wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );
 566
 567     GList *child = m_list->children;
 568     int count = 0;
 569     while (child)
 570     {
 571         GtkBin *bin = GTK_BIN( child->data );
 572         GtkLabel *label = GTK_LABEL( bin->child );
 573
 574         wxString str = GET_REAL_LABEL(label->label);
 575
 576         if (str == item)
 577             return count;
 578
 579         count++;
 580         child = child->next;
 581     }
 582
 583   // it's not an error if the string is not found -> no wxCHECK
 584
 585   return -1;
 586 }
 587
 588 int wxListBox::GetSelection() const
 589 {
 590     wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );
 591
 592     GList *child = m_list->children;
 593     int count = 0;
 594     while (child)
 595     {
 596         if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED) return count;
 597         count++;
 598         child = child->next;
 599     }
 600     return -1;
 601 }
 602
 603 int wxListBox::GetSelections( wxArrayInt& aSelections ) const
 604 {
 605     wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );
 606
 607     // get the number of selected items first
 608     GList *child = m_list->children;
 609     int count = 0;
 610     for (child = m_list->children; child != NULL; child = child->next)
 611     {
 612         if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED)
 613             count++;
 614     }
 615
 616     aSelections.Empty();
 617
 618     if (count > 0)
 619     {
 620         // now fill the list
 621         aSelections.Alloc(count); // optimization attempt
 622         int i = 0;
 623         for (child = m_list->children; child != NULL; child = child->next, i++)
 624         {
 625             if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED)
 626                  aSelections.Add(i);
 627         }
 628     }
 629
 630     return count;
 631 }
 632
 633 wxString wxListBox::GetString( int n ) const
 634 {
 635     wxCHECK_MSG( m_list != NULL, "", "invalid listbox" );
 636
 637     GList *child = g_list_nth( m_list->children, n );
 638     if (child)
 639     {
 640         GtkBin *bin = GTK_BIN( child->data );
 641         GtkLabel *label = GTK_LABEL( bin->child );
 642
 643         wxString str = GET_REAL_LABEL(label->label);
 644
 645         return str;
 646     }
 647
 648     wxFAIL_MSG("wrong listbox index");
 649
 650     return "";
 651 }
 652
 653 wxString wxListBox::GetStringSelection() const
 654 {
 655     wxCHECK_MSG( m_list != NULL, "", "invalid listbox" );
 656
 657     GList *selection = m_list->selection;
 658     if (selection)
 659     {
 660         GtkBin *bin = GTK_BIN( selection->data );
 661         GtkLabel *label = GTK_LABEL( bin->child );
 662
 663         wxString str = GET_REAL_LABEL(label->label);
 664
 665         return str;
 666     }
 667
 668     wxFAIL_MSG("no listbox selection available");
 669     return "";
 670 }
 671
 672 int wxListBox::Number()
 673 {
 674     wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );
 675
 676     GList *child = m_list->children;
 677     int count = 0;
 678     while (child) { count++; child = child->next; }
 679     return count;
 680 }
 681
 682 bool wxListBox::Selected( int n )
 683 {
 684     wxCHECK_MSG( m_list != NULL, FALSE, "invalid listbox" );
 685
 686     GList *target = g_list_nth( m_list->children, n );
 687     if (target)
 688     {
 689         GList *child = m_list->selection;
 690         while (child)
 691         {
 692             if (child->data == target->data) return TRUE;
 693             child = child->next;
 694         }
 695     }
 696     wxFAIL_MSG("wrong listbox index");
 697     return FALSE;
 698 }
 699
 700 void wxListBox::Set( int WXUNUSED(n), const wxString *WXUNUSED(choices) )
 701 {
 702     wxFAIL_MSG("wxListBox::Set not implemented");
 703 }
 704
 705 void wxListBox::SetFirstItem( int WXUNUSED(n) )
 706 {
 707     wxFAIL_MSG("wxListBox::SetFirstItem not implemented");
 708 }
 709
 710 void wxListBox::SetFirstItem( const wxString &WXUNUSED(item) )
 711 {
 712     wxFAIL_MSG("wxListBox::SetFirstItem not implemented");
 713 }
 714
 715 void wxListBox::SetSelection( int n, bool select )
 716 {
 717     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 718
 719     if (select)
 720         gtk_list_select_item( m_list, n );
 721     else
 722         gtk_list_unselect_item( m_list, n );
 723 }
 724
 725 void wxListBox::SetString( int n, const wxString &string )
 726 {
 727     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 728
 729     GList *child = g_list_nth( m_list->children, n );
 730     if (child)
 731     {
 732         GtkBin *bin = GTK_BIN( child->data );
 733         GtkLabel *label = GTK_LABEL( bin->child );
 734
 735         wxString str;
 736         if (m_hasCheckBoxes)
 737             str += CHECKBOX_STRING;
 738         str += string;
 739
 740         gtk_label_set( label, str );
 741     }
 742     else
 743     {
 744         wxFAIL_MSG("wrong listbox index");
 745     }
 746 }
 747
 748 void wxListBox::SetStringSelection( const wxString &string, bool select )
 749 {
 750     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 751
 752     SetSelection( FindString(string), select );
 753 }
 754
 755 int wxListBox::GetIndex( GtkWidget *item ) const
 756 {
 757     if (item)
 758     {
 759         GList *child = m_list->children;
 760         int count = 0;
 761         while (child)
 762         {
 763             if (GTK_WIDGET(child->data) == item) return count;
 764             count++;
 765             child = child->next;
 766         }
 767     }
 768     return -1;
 769 }
 770
 771 #if wxUSE_TOOLTIPS
 772 void wxListBox::ApplyToolTip( GtkTooltips *tips, const char *tip )
 773 {
 774     GList *child = m_list->children;
 775     while (child)
 776     {
 777         gtk_tooltips_set_tip( tips, GTK_WIDGET( child->data ), tip, (gchar*) NULL );
 778         child = child->next;
 779     }
 780 }
 781 #endif // wxUSE_TOOLTIPS
 782
 783 #if wxUSE_DRAG_AND_DROP
 784 void wxListBox::SetDropTarget( wxDropTarget *dropTarget )
 785 {
 786     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 787
 788 #ifndef NEW_GTK_DND_CODE
 789     if (m_dropTarget)
 790     {
 791         GList *child = m_list->children;
 792         while (child)
 793         {
 794             m_dropTarget->UnregisterWidget( GTK_WIDGET( child->data ) );
 795             child = child->next;
 796         }
 797     }
 798 #endif
 799
 800     wxWindow::SetDropTarget( dropTarget );
 801
 802 #ifndef NEW_GTK_DND_CODE
 803     if (m_dropTarget)
 804     {
 805         GList *child = m_list->children;
 806         while (child)
 807         {
 808             m_dropTarget->RegisterWidget( GTK_WIDGET( child->data ) );
 809             child = child->next;
 810         }
 811     }
 812 #endif
 813 }
 814 #endif
 815
 816 GtkWidget *wxListBox::GetConnectWidget()
 817 {
 818     return GTK_WIDGET(m_list);
 819 }
 820
 821 bool wxListBox::IsOwnGtkWindow( GdkWindow *window )
 822 {
 823     if (wxWindow::IsOwnGtkWindow( window )) return TRUE;
 824
 825     GList *child = m_list->children;
 826     while (child)
 827     {
 828         GtkWidget *bin = GTK_WIDGET( child->data );
 829         if (bin->window == window) return TRUE;
 830         child = child->next;
 831     }
 832
 833     return FALSE;
 834 }
 835
 836 void wxListBox::ApplyWidgetStyle()
 837 {
 838     SetWidgetStyle();
 839
 840     if (m_backgroundColour.Ok())
 841     {
 842         GdkWindow *window = GTK_WIDGET(m_list)->window;
 843         m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) );
 844         gdk_window_set_background( window, m_backgroundColour.GetColor() );
 845         gdk_window_clear( window );
 846     }
 847
 848     GList *child = m_list->children;
 849     while (child)
 850     {
 851         gtk_widget_set_style( GTK_WIDGET(child->data), m_widgetStyle );
 852
 853         GtkBin *bin = GTK_BIN( child->data );
 854         GtkWidget *label = GTK_WIDGET( bin->child );
 855         gtk_widget_set_style( label, m_widgetStyle );
 856
 857         child = child->next;
 858     }
 859 }
 860