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 #include "wx/tooltip.h"
  21
  22 #if wxUSE_DRAG_AND_DROP
  23 #include "wx/dnd.h"
  24 #endif
  25
  26 #include "gdk/gdk.h"
  27 #include "gtk/gtk.h"
  28
  29 //-------------------------------------------------------------------------
  30 // conditional compilation
  31 //-------------------------------------------------------------------------
  32
  33 #if (GTK_MINOR_VERSION == 1)
  34 #if (GTK_MICRO_VERSION >= 5)
  35 #define NEW_GTK_SCROLL_CODE
  36 #endif
  37 #endif
  38
  39 //-----------------------------------------------------------------------------
  40 // data
  41 //-----------------------------------------------------------------------------
  42
  43 extern bool   g_blockEventsOnDrag;
  44 extern bool   g_blockEventsOnScroll;
  45
  46 //-----------------------------------------------------------------------------
  47 // "button_press_event"
  48 //-----------------------------------------------------------------------------
  49
  50 static gint
  51 gtk_listbox_button_press_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxListBox *listbox )
  52 {
  53     if (g_blockEventsOnDrag) return FALSE;
  54     if (g_blockEventsOnScroll) return FALSE;
  55
  56     if (!listbox->HasVMT()) return FALSE;
  57
  58     int sel = listbox->GetIndex( widget );
  59
  60     if ((listbox->m_hasCheckBoxes) && (gdk_event->x < 15) && (gdk_event->type != GDK_2BUTTON_PRESS))
  61     {
  62         wxCheckListBox *clb = (wxCheckListBox *)listbox;
  63
  64         clb->Check( sel, !clb->IsChecked(sel) );
  65
  66         wxCommandEvent event( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, listbox->GetId() );
  67         event.SetEventObject( listbox );
  68         event.SetInt( sel );
  69         listbox->GetEventHandler()->ProcessEvent( event );
  70     }
  71
  72     if (gdk_event->type == GDK_2BUTTON_PRESS)
  73     {
  74         wxCommandEvent event( wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, listbox->GetId() );
  75         event.SetEventObject( listbox );
  76
  77         wxArrayInt aSelections;
  78         int count = listbox->GetSelections(aSelections);
  79         if ( count > 0 )
  80         {
  81             event.m_commandInt = aSelections[0] ;
  82             event.m_clientData = listbox->GetClientData( event.m_commandInt );
  83             wxString str(listbox->GetString(event.m_commandInt));
  84             if (str != "") event.m_commandString = copystring((char *)(const char *)str);
  85         }
  86         else
  87         {
  88             event.m_commandInt = -1 ;
  89             event.m_commandString = copystring("") ;
  90         }
  91
  92         listbox->GetEventHandler()->ProcessEvent( event );
  93
  94         if (event.m_commandString) delete[] event.m_commandString ;
  95     }
  96
  97     return FALSE;
  98 }
  99
 100 //-----------------------------------------------------------------------------
 101 // "key_press_event"
 102 //-----------------------------------------------------------------------------
 103
 104 static gint
 105 gtk_listbox_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxListBox *listbox )
 106 {
 107     if (g_blockEventsOnDrag) return FALSE;
 108
 109     if (!listbox->HasVMT()) return FALSE;
 110
 111     if (gdk_event->keyval != ' ') return FALSE;
 112
 113     int sel = listbox->GetIndex( widget );
 114
 115     wxCheckListBox *clb = (wxCheckListBox *)listbox;
 116
 117     clb->Check( sel, !clb->IsChecked(sel) );
 118
 119     wxCommandEvent event( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, listbox->GetId() );
 120     event.SetEventObject( listbox );
 121     event.SetInt( sel );
 122     listbox->GetEventHandler()->ProcessEvent( event );
 123
 124     return FALSE;
 125 }
 126
 127 //-----------------------------------------------------------------------------
 128 // "select" and "deselect"
 129 //-----------------------------------------------------------------------------
 130
 131 static void gtk_listitem_select_callback( GtkWidget *WXUNUSED(widget), wxListBox *listbox )
 132 {
 133     if (!listbox->HasVMT()) return;
 134     if (g_blockEventsOnDrag) return;
 135
 136     wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() );
 137
 138     wxArrayInt aSelections;
 139     int count = listbox->GetSelections(aSelections);
 140     if ( count > 0 )
 141     {
 142         event.m_commandInt = aSelections[0] ;
 143         event.m_clientData = listbox->GetClientData( event.m_commandInt );
 144         wxString str(listbox->GetString(event.m_commandInt));
 145         if (str != "") event.m_commandString = copystring((char *)(const char *)str);
 146     }
 147     else
 148     {
 149         event.m_commandInt = -1 ;
 150         event.m_commandString = copystring("") ;
 151     }
 152
 153     event.SetEventObject( listbox );
 154
 155     listbox->GetEventHandler()->ProcessEvent( event );
 156     if (event.m_commandString) delete[] event.m_commandString ;
 157 }
 158
 159 //-----------------------------------------------------------------------------
 160 // wxListBox
 161 //-----------------------------------------------------------------------------
 162
 163 IMPLEMENT_DYNAMIC_CLASS(wxListBox,wxControl)
 164
 165 wxListBox::wxListBox()
 166 {
 167     m_list = (GtkList *) NULL;
 168     m_hasCheckBoxes = FALSE;
 169 }
 170
 171 bool wxListBox::Create( wxWindow *parent, wxWindowID id,
 172                         const wxPoint &pos, const wxSize &size,
 173                         int n, const wxString choices[],
 174                         long style, const wxValidator& validator, const wxString &name )
 175 {
 176     m_needParent = TRUE;
 177     m_acceptsFocus = TRUE;
 178
 179     PreCreation( parent, id, pos, size, style, name );
 180
 181     SetValidator( validator );
 182
 183     m_widget = gtk_scrolled_window_new( (GtkAdjustment*) NULL, (GtkAdjustment*) NULL );
 184     gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(m_widget),
 185       GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
 186
 187     m_list = GTK_LIST( gtk_list_new() );
 188
 189     GtkSelectionMode mode = GTK_SELECTION_BROWSE;
 190     if (style & wxLB_MULTIPLE)
 191         mode = GTK_SELECTION_MULTIPLE;
 192     else if (style & wxLB_EXTENDED)
 193         mode = GTK_SELECTION_EXTENDED;
 194
 195     gtk_list_set_selection_mode( GTK_LIST(m_list), mode );
 196
 197 #ifdef NEW_GTK_SCROLL_CODE
 198     gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW(m_widget), GTK_WIDGET(m_list) );
 199 #else
 200     gtk_container_add( GTK_CONTAINER(m_widget), GTK_WIDGET(m_list) );
 201 #endif
 202
 203 #ifdef __WXDEBUG__
 204     debug_focus_in( m_widget, "wxListBox::m_widget", name );
 205
 206     debug_focus_in( GTK_WIDGET(m_list), "wxListBox::m_list", name );
 207
 208     GtkScrolledWindow *s_window = GTK_SCROLLED_WINDOW(m_widget);
 209
 210     debug_focus_in( s_window->hscrollbar, "wxWindow::hsrcollbar", name );
 211     debug_focus_in( s_window->vscrollbar, "wxWindow::vsrcollbar", name );
 212
 213 #ifdef NEW_GTK_SCROLL_CODE
 214     GtkViewport *viewport = GTK_VIEWPORT(s_window->child);
 215 #else
 216     GtkViewport *viewport = GTK_VIEWPORT(s_window->viewport);
 217 #endif
 218
 219     debug_focus_in( GTK_WIDGET(viewport), "wxWindow::viewport", name );
 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         if (m_hasCheckBoxes)
 237         {
 238             wxString str = "[-] ";
 239             str += choices[i];
 240             list_item = gtk_list_item_new_with_label( str );
 241         }
 242         else
 243         {
 244             list_item = gtk_list_item_new_with_label( choices[i] );
 245         }
 246
 247 #ifdef __WXDEBUG__
 248         debug_focus_in( list_item, "wxListBox::list_item", name );
 249 #endif
 250
 251         gtk_container_add( GTK_CONTAINER(m_list), list_item );
 252
 253         gtk_signal_connect( GTK_OBJECT(list_item), "select",
 254           GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
 255
 256         if (style & wxLB_MULTIPLE)
 257             gtk_signal_connect( GTK_OBJECT(list_item), "deselect",
 258               GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
 259
 260         gtk_signal_connect( GTK_OBJECT(list_item),
 261                             "button_press_event",
 262                             (GtkSignalFunc)gtk_listbox_button_press_callback,
 263                             (gpointer) this );
 264
 265         if (m_hasCheckBoxes)
 266         {
 267             gtk_signal_connect( GTK_OBJECT(list_item),
 268                             "key_press_event",
 269                             (GtkSignalFunc)gtk_listbox_key_press_callback,
 270                             (gpointer)this );
 271         }
 272
 273         ConnectWidget( list_item );
 274
 275         gtk_widget_show( list_item );
 276     }
 277
 278     m_parent->AddChild( this );
 279
 280     (m_parent->m_insertCallback)( m_parent, this );
 281
 282     PostCreation();
 283
 284     gtk_widget_realize( GTK_WIDGET(m_list) );
 285
 286     SetBackgroundColour( parent->GetBackgroundColour() );
 287     SetForegroundColour( parent->GetForegroundColour() );
 288
 289     Show( TRUE );
 290
 291     return TRUE;
 292 }
 293
 294 wxListBox::~wxListBox()
 295 {
 296     Clear();
 297 }
 298
 299 void wxListBox::AppendCommon( const wxString &item )
 300 {
 301     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 302
 303     GtkWidget *list_item;
 304
 305     if (m_hasCheckBoxes)
 306     {
 307         wxString str = "[-] ";
 308         str += item;
 309         list_item = gtk_list_item_new_with_label( str );
 310     }
 311     else
 312     {
 313         list_item = gtk_list_item_new_with_label( item );
 314     }
 315
 316     gtk_signal_connect( GTK_OBJECT(list_item), "select",
 317       GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
 318
 319     if (GetWindowStyleFlag() & wxLB_MULTIPLE)
 320         gtk_signal_connect( GTK_OBJECT(list_item), "deselect",
 321           GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
 322
 323     gtk_container_add( GTK_CONTAINER(m_list), list_item );
 324
 325     if (m_widgetStyle) ApplyWidgetStyle();
 326
 327     gtk_signal_connect( GTK_OBJECT(list_item),
 328                         "button_press_event",
 329                         (GtkSignalFunc)gtk_listbox_button_press_callback,
 330                         (gpointer) this );
 331
 332     if (m_hasCheckBoxes)
 333     {
 334        gtk_signal_connect( GTK_OBJECT(list_item),
 335                         "key_press_event",
 336                         (GtkSignalFunc)gtk_listbox_key_press_callback,
 337                         (gpointer)this );
 338     }
 339
 340     gtk_widget_show( list_item );
 341
 342     ConnectWidget( list_item );
 343
 344 #if wxUSE_DRAG_AND_DROP
 345 #ifndef NEW_GTK_DND_CODE
 346     if (m_dropTarget) m_dropTarget->RegisterWidget( list_item );
 347 #endif
 348 #endif
 349
 350     if (m_toolTip) m_toolTip->Create( list_item );
 351 }
 352
 353 void wxListBox::Append( const wxString &item )
 354 {
 355     m_clientDataList.Append( (wxObject*) NULL );
 356     m_clientObjectList.Append( (wxObject*) NULL );
 357
 358     AppendCommon( item );
 359 }
 360
 361 void wxListBox::Append( const wxString &item, void *clientData )
 362 {
 363     m_clientDataList.Append( (wxObject*) clientData );
 364     m_clientObjectList.Append( (wxObject*) NULL );
 365
 366     AppendCommon( item );
 367 }
 368
 369 void wxListBox::Append( const wxString &item, wxClientData *clientData )
 370 {
 371     m_clientObjectList.Append( (wxObject*) clientData );
 372     m_clientDataList.Append( (wxObject*) NULL );
 373
 374     AppendCommon( item );
 375 }
 376
 377 void wxListBox::SetClientData( int n, void* clientData )
 378 {
 379     wxCHECK_RET( m_widget != NULL, "invalid combobox" );
 380
 381     wxNode *node = m_clientDataList.Nth( n );
 382     if (!node) return;
 383
 384     node->SetData( (wxObject*) clientData );
 385 }
 386
 387 void* wxListBox::GetClientData( int n )
 388 {
 389     wxCHECK_MSG( m_widget != NULL, NULL, "invalid combobox" );
 390
 391     wxNode *node = m_clientDataList.Nth( n );
 392     if (!node) return NULL;
 393
 394     return node->Data();
 395 }
 396
 397 void wxListBox::SetClientObject( int n, wxClientData* clientData )
 398 {
 399     wxCHECK_RET( m_widget != NULL, "invalid combobox" );
 400
 401     wxNode *node = m_clientObjectList.Nth( n );
 402     if (!node) return;
 403
 404     wxClientData *cd = (wxClientData*) node->Data();
 405     if (cd) delete cd;
 406
 407     node->SetData( (wxObject*) clientData );
 408 }
 409
 410 wxClientData* wxListBox::GetClientObject( int n )
 411 {
 412     wxCHECK_MSG( m_widget != NULL, (wxClientData*)NULL, "invalid combobox" );
 413
 414     wxNode *node = m_clientObjectList.Nth( n );
 415     if (!node) return (wxClientData*) NULL;
 416
 417     return (wxClientData*) node->Data();
 418 }
 419
 420 void wxListBox::Clear()
 421 {
 422     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 423
 424     gtk_list_clear_items( m_list, 0, Number() );
 425
 426     wxNode *node = m_clientObjectList.First();
 427     while (node)
 428     {
 429         wxClientData *cd = (wxClientData*)node->Data();
 430         if (cd) delete cd;
 431         node = node->Next();
 432     }
 433     m_clientObjectList.Clear();
 434
 435     m_clientDataList.Clear();
 436 }
 437
 438 void wxListBox::Delete( int n )
 439 {
 440     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 441
 442     GList *child = g_list_nth( m_list->children, n );
 443
 444     wxCHECK_RET( child, "wrong listbox index" );
 445
 446     GList *list = g_list_append( (GList*) NULL, child->data );
 447     gtk_list_remove_items( m_list, list );
 448     g_list_free( list );
 449
 450     wxNode *node = m_clientObjectList.Nth( n );
 451     if (node)
 452     {
 453         wxClientData *cd = (wxClientData*)node->Data();
 454         if (cd) delete cd;
 455         m_clientObjectList.DeleteNode( node );
 456     }
 457
 458     node = m_clientDataList.Nth( n );
 459     if (node)
 460     {
 461         m_clientDataList.DeleteNode( node );
 462     }
 463 }
 464
 465 void wxListBox::Deselect( int n )
 466 {
 467     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 468
 469     gtk_list_unselect_item( m_list, n );
 470 }
 471
 472 int wxListBox::FindString( const wxString &item ) const
 473 {
 474     wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );
 475
 476     GList *child = m_list->children;
 477     int count = 0;
 478     while (child)
 479     {
 480         GtkBin *bin = GTK_BIN( child->data );
 481         GtkLabel *label = GTK_LABEL( bin->child );
 482
 483         wxString str = label->label;
 484         if (m_hasCheckBoxes) str.Remove( 0, 4 );
 485
 486         if (str == item) return count;
 487
 488         count++;
 489         child = child->next;
 490     }
 491
 492   // it's not an error if the string is not found -> no wxCHECK
 493
 494   return -1;
 495 }
 496
 497 int wxListBox::GetSelection() const
 498 {
 499     wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );
 500
 501     GList *child = m_list->children;
 502     int count = 0;
 503     while (child)
 504     {
 505         if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED) return count;
 506         count++;
 507         child = child->next;
 508     }
 509     return -1;
 510 }
 511
 512 int wxListBox::GetSelections( wxArrayInt& aSelections ) const
 513 {
 514     wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );
 515
 516     // get the number of selected items first
 517     GList *child = m_list->children;
 518     int count = 0;
 519     for (child = m_list->children; child != NULL; child = child->next)
 520     {
 521         if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED)
 522             count++;
 523     }
 524
 525     aSelections.Empty();
 526
 527     if (count > 0)
 528     {
 529         // now fill the list
 530         aSelections.Alloc(count); // optimization attempt
 531         int i = 0;
 532         for (child = m_list->children; child != NULL; child = child->next, i++)
 533         {
 534             if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED)
 535                  aSelections.Add(i);
 536         }
 537     }
 538
 539     return count;
 540 }
 541
 542 wxString wxListBox::GetString( int n ) const
 543 {
 544     wxCHECK_MSG( m_list != NULL, "", "invalid listbox" );
 545
 546     GList *child = g_list_nth( m_list->children, n );
 547     if (child)
 548     {
 549         GtkBin *bin = GTK_BIN( child->data );
 550         GtkLabel *label = GTK_LABEL( bin->child );
 551
 552         wxString str = label->label;
 553         if (m_hasCheckBoxes) str.Remove( 0, 4 );
 554
 555         return str;
 556     }
 557     wxFAIL_MSG("wrong listbox index");
 558     return "";
 559 }
 560
 561 wxString wxListBox::GetStringSelection() const
 562 {
 563     wxCHECK_MSG( m_list != NULL, "", "invalid listbox" );
 564
 565     GList *selection = m_list->selection;
 566     if (selection)
 567     {
 568         GtkBin *bin = GTK_BIN( selection->data );
 569         GtkLabel *label = GTK_LABEL( bin->child );
 570
 571         wxString str = label->label;
 572         if (m_hasCheckBoxes) str.Remove( 0, 4 );
 573
 574         return str;
 575     }
 576
 577     wxFAIL_MSG("no listbox selection available");
 578     return "";
 579 }
 580
 581 int wxListBox::Number()
 582 {
 583     wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );
 584
 585     GList *child = m_list->children;
 586     int count = 0;
 587     while (child) { count++; child = child->next; }
 588     return count;
 589 }
 590
 591 bool wxListBox::Selected( int n )
 592 {
 593     wxCHECK_MSG( m_list != NULL, FALSE, "invalid listbox" );
 594
 595     GList *target = g_list_nth( m_list->children, n );
 596     if (target)
 597     {
 598         GList *child = m_list->selection;
 599         while (child)
 600         {
 601             if (child->data == target->data) return TRUE;
 602             child = child->next;
 603         }
 604     }
 605     wxFAIL_MSG("wrong listbox index");
 606     return FALSE;
 607 }
 608
 609 void wxListBox::Set( int WXUNUSED(n), const wxString *WXUNUSED(choices) )
 610 {
 611     wxFAIL_MSG("wxListBox::Set not implemented");
 612 }
 613
 614 void wxListBox::SetFirstItem( int WXUNUSED(n) )
 615 {
 616     wxFAIL_MSG("wxListBox::SetFirstItem not implemented");
 617 }
 618
 619 void wxListBox::SetFirstItem( const wxString &WXUNUSED(item) )
 620 {
 621     wxFAIL_MSG("wxListBox::SetFirstItem not implemented");
 622 }
 623
 624 void wxListBox::SetSelection( int n, bool select )
 625 {
 626     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 627
 628     if (select)
 629         gtk_list_select_item( m_list, n );
 630     else
 631         gtk_list_unselect_item( m_list, n );
 632 }
 633
 634 void wxListBox::SetString( int n, const wxString &string )
 635 {
 636     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 637
 638     GList *child = g_list_nth( m_list->children, n );
 639     if (child)
 640     {
 641         GtkBin *bin = GTK_BIN( child->data );
 642         GtkLabel *label = GTK_LABEL( bin->child );
 643
 644         wxString str;
 645         if (m_hasCheckBoxes) str += "[-] ";
 646         str += string;
 647
 648         gtk_label_set( label, str );
 649     }
 650     else
 651     {
 652         wxFAIL_MSG("wrong listbox index");
 653     }
 654 }
 655
 656 void wxListBox::SetStringSelection( const wxString &string, bool select )
 657 {
 658     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 659
 660     SetSelection( FindString(string), select );
 661 }
 662
 663 int wxListBox::GetIndex( GtkWidget *item ) const
 664 {
 665     if (item)
 666     {
 667         GList *child = m_list->children;
 668         int count = 0;
 669         while (child)
 670         {
 671             if (GTK_WIDGET(child->data) == item) return count;
 672             count++;
 673             child = child->next;
 674         }
 675     }
 676     return -1;
 677 }
 678
 679 void wxListBox::SetToolTip( const wxString &tip )
 680 {
 681     SetToolTip( new wxToolTip( tip ) );
 682 }
 683
 684 void wxListBox::SetToolTip( wxToolTip *tip )
 685 {
 686     if (m_toolTip) delete m_toolTip;
 687
 688     m_toolTip = tip;
 689
 690     if (!tip) return;
 691
 692     m_toolTip->Create( GTK_WIDGET(m_list) );  /* this has no effect */
 693
 694     GList *child = m_list->children;
 695     while (child)
 696     {
 697         m_toolTip->Create( GTK_WIDGET( child->data ) );
 698         child = child->next;
 699     }
 700 }
 701
 702 #if wxUSE_DRAG_AND_DROP
 703 void wxListBox::SetDropTarget( wxDropTarget *dropTarget )
 704 {
 705     wxCHECK_RET( m_list != NULL, "invalid listbox" );
 706
 707 #ifndef NEW_GTK_DND_CODE
 708     if (m_dropTarget)
 709     {
 710         GList *child = m_list->children;
 711         while (child)
 712         {
 713             m_dropTarget->UnregisterWidget( GTK_WIDGET( child->data ) );
 714             child = child->next;
 715         }
 716     }
 717 #endif
 718
 719     wxWindow::SetDropTarget( dropTarget );
 720
 721 #ifndef NEW_GTK_DND_CODE
 722     if (m_dropTarget)
 723     {
 724         GList *child = m_list->children;
 725         while (child)
 726         {
 727             m_dropTarget->RegisterWidget( GTK_WIDGET( child->data ) );
 728             child = child->next;
 729         }
 730     }
 731 #endif
 732 }
 733 #endif
 734
 735 GtkWidget *wxListBox::GetConnectWidget()
 736 {
 737     return GTK_WIDGET(m_list);
 738 }
 739
 740 bool wxListBox::IsOwnGtkWindow( GdkWindow *window )
 741 {
 742     if (wxWindow::IsOwnGtkWindow( window )) return TRUE;
 743
 744     GList *child = m_list->children;
 745     while (child)
 746     {
 747         GtkWidget *bin = GTK_WIDGET( child->data );
 748         if (bin->window == window) return TRUE;
 749         child = child->next;
 750     }
 751
 752     return FALSE;
 753 }
 754
 755 void wxListBox::ApplyWidgetStyle()
 756 {
 757     SetWidgetStyle();
 758
 759     if (m_backgroundColour.Ok())
 760     {
 761         GdkWindow *window = GTK_WIDGET(m_list)->window;
 762         m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) );
 763         gdk_window_set_background( window, m_backgroundColour.GetColor() );
 764         gdk_window_clear( window );
 765     }
 766
 767     GList *child = m_list->children;
 768     while (child)
 769     {
 770         gtk_widget_set_style( GTK_WIDGET(child->data), m_widgetStyle );
 771
 772         GtkBin *bin = GTK_BIN( child->data );
 773         GtkWidget *label = GTK_WIDGET( bin->child );
 774         gtk_widget_set_style( label, m_widgetStyle );
 775
 776         child = child->next;
 777     }
 778 }
 779