Doc updates (debug stuff); Cygwin corrections

[wxWidgets.git] / src / gtk / listbox.cpp

diff --git a/src/gtk/listbox.cpp b/src/gtk/listbox.cpp
index eb2a1cd5f2ac925a5c2a70b280ca883ea579f44d..066cc2a8e99efc71c8b5bd14151abbf1c38980c3 100644 (file)
--- a/src/gtk/listbox.cpp
+++ b/src/gtk/listbox.cpp
@@ -29,31 +29,30 @@ extern bool   g_blockEventsOnDrag;
 
 static void gtk_listitem_select_callback( GtkWidget *WXUNUSED(widget), wxListBox *listbox )
 {
 
 static void gtk_listitem_select_callback( GtkWidget *WXUNUSED(widget), wxListBox *listbox )
 {

-  if (!listbox->HasVMT()) return;
-  if (g_blockEventsOnDrag) return;
+    if (!listbox->HasVMT()) return;
+    if (g_blockEventsOnDrag) return;

 
 

-  wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() );
+    wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() );

 
     wxArrayInt aSelections;
     int count = listbox->GetSelections(aSelections);
     if ( count > 0 )
     {
 
     wxArrayInt aSelections;
     int count = listbox->GetSelections(aSelections);
     if ( count > 0 )
     {

-      event.m_commandInt = aSelections[0] ;
-      event.m_clientData = listbox->GetClientData(event.m_commandInt);
-      wxString str(listbox->GetString(event.m_commandInt));
-      if (str != "")
-        event.m_commandString = copystring((char *)(const char *)str);
+        event.m_commandInt = aSelections[0] ;
+        event.m_clientData = listbox->GetClientData( event.m_commandInt );
+        wxString str(listbox->GetString(event.m_commandInt));
+        if (str != "") event.m_commandString = copystring((char *)(const char *)str);

     }
     else
     {
     }
     else
     {

-      event.m_commandInt = -1 ;
-      event.m_commandString = copystring("") ;
+        event.m_commandInt = -1 ;
+        event.m_commandString = copystring("") ;

     }
 
     }
 

-  event.SetEventObject( listbox );
+    event.SetEventObject( listbox );

 
 

-  listbox->GetEventHandler()->ProcessEvent( event );
-  if (event.m_commandString) delete[] event.m_commandString ;
+    listbox->GetEventHandler()->ProcessEvent( event );
+    if (event.m_commandString) delete[] event.m_commandString ;

 }
 
 //-----------------------------------------------------------------------------
 }
 
 //-----------------------------------------------------------------------------


@@ -62,425 +61,480 @@ static void gtk_listitem_select_callback( GtkWidget *WXUNUSED(widget), wxListBox
 
 IMPLEMENT_DYNAMIC_CLASS(wxListBox,wxControl)
 
 
 IMPLEMENT_DYNAMIC_CLASS(wxListBox,wxControl)
 

-wxListBox::wxListBox(void)
+wxListBox::wxListBox()

 {
 {

-  m_list = (GtkList *) NULL;
+    m_list = (GtkList *) NULL;

 }
 
 bool wxListBox::Create( wxWindow *parent, wxWindowID id,
 }
 
 bool wxListBox::Create( wxWindow *parent, wxWindowID id,

-      const wxPoint &pos, const wxSize &size,
-      int n, const wxString choices[],
-      long style, const wxValidator& validator, const wxString &name )
+                        const wxPoint &pos, const wxSize &size,
+                        int n, const wxString choices[],
+                        long style, const wxValidator& validator, const wxString &name )

 {
 {

-  m_needParent = TRUE;
+    m_needParent = TRUE;

 
 

-  PreCreation( parent, id, pos, size, style, name );
+    PreCreation( parent, id, pos, size, style, name );

 
 

-  SetValidator( validator );
+    SetValidator( validator );

 
 

-  m_widget = gtk_scrolled_window_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL );
-  gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(m_widget),
-    GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
+    m_widget = gtk_scrolled_window_new( (GtkAdjustment*) NULL, (GtkAdjustment*) NULL );
+    gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(m_widget),
+      GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );

 
 

-  m_list = GTK_LIST( gtk_list_new() );
+    m_list = GTK_LIST( gtk_list_new() );

 
 

-  GtkSelectionMode mode = GTK_SELECTION_BROWSE;
-  if (style & wxLB_MULTIPLE)
-    mode = GTK_SELECTION_MULTIPLE;
-  else if (style & wxLB_EXTENDED)
-    mode = GTK_SELECTION_EXTENDED;
+    GtkSelectionMode mode = GTK_SELECTION_BROWSE;
+    if (style & wxLB_MULTIPLE)
+        mode = GTK_SELECTION_MULTIPLE;
+    else if (style & wxLB_EXTENDED)
+        mode = GTK_SELECTION_EXTENDED;

 
 

-  gtk_list_set_selection_mode( GTK_LIST(m_list), mode );
+    gtk_list_set_selection_mode( GTK_LIST(m_list), mode );

 
 

-  gtk_container_add (GTK_CONTAINER(m_widget), GTK_WIDGET(m_list) );
-  gtk_widget_show( GTK_WIDGET(m_list) );
+    gtk_container_add( GTK_CONTAINER(m_widget), GTK_WIDGET(m_list) );
+    gtk_widget_show( GTK_WIDGET(m_list) );

 
 

-  wxSize newSize = size;
-  if (newSize.x == -1) newSize.x = 100;
-  if (newSize.y == -1) newSize.y = 110;
-  SetSize( newSize.x, newSize.y );
+    wxSize newSize = size;
+    if (newSize.x == -1) newSize.x = 100;
+    if (newSize.y == -1) newSize.y = 110;
+    SetSize( newSize.x, newSize.y );

 
 

-  for (int i = 0; i < n; i++)
-  {
-    GtkWidget *list_item;
-    list_item = gtk_list_item_new_with_label( choices[i] );
+    for (int i = 0; i < n; i++)
+    {
+        m_clientDataList.Append( (wxObject*) NULL );
+        m_clientObjectList.Append( (wxObject*) NULL );
+  
+        GtkWidget *list_item;
+        list_item = gtk_list_item_new_with_label( choices[i] );

 
 

-    gtk_container_add( GTK_CONTAINER(m_list), list_item );
+        gtk_container_add( GTK_CONTAINER(m_list), list_item );

 
 

-    gtk_signal_connect( GTK_OBJECT(list_item), "select",
-      GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
+        gtk_signal_connect( GTK_OBJECT(list_item), "select",
+          GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );

 
 

-    if (style & wxLB_MULTIPLE)
-      gtk_signal_connect( GTK_OBJECT(list_item), "deselect",
-        GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
+        if (style & wxLB_MULTIPLE)
+            gtk_signal_connect( GTK_OBJECT(list_item), "deselect",
+              GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );

 
 

-    ConnectWidget( list_item );        
+        ConnectWidget( list_item );    

        
        

-    m_clientData.Append( (wxObject*)NULL );
-
-    gtk_widget_show( list_item );
-  }
+        gtk_widget_show( list_item );
+    }

 
 

-  m_parent->AddChild( this );
+    m_parent->AddChild( this );

 
 

-  (m_parent->m_insertCallback)( m_parent, this );
+    (m_parent->m_insertCallback)( m_parent, this );

   
   

-  PostCreation();
+    PostCreation();

 
 

-  gtk_widget_realize( GTK_WIDGET(m_list) );
+    gtk_widget_realize( GTK_WIDGET(m_list) );

 
 

-  SetBackgroundColour( parent->GetBackgroundColour() );
-  SetForegroundColour( parent->GetForegroundColour() );
+    SetBackgroundColour( parent->GetBackgroundColour() );
+    SetForegroundColour( parent->GetForegroundColour() );

 
 

-  Show( TRUE );
+    Show( TRUE );

 
 

-  return TRUE;
+    return TRUE;

 }
 
 }
 

-void wxListBox::Append( const wxString &item )
+wxListBox::~wxListBox()

 {
 {

-  Append( item, (char*)NULL );
+  Clear();

 }
 
 }
 

-void wxListBox::Append( const wxString &item, char *clientData )
+void wxListBox::AppendCommon( const wxString &item )

 {
 {

-  wxCHECK_RET( m_list != NULL, "invalid listbox" );
+    wxCHECK_RET( m_list != NULL, "invalid listbox" );
+  
+    GtkWidget *list_item = gtk_list_item_new_with_label( item );

 
 

-  GtkWidget *list_item = gtk_list_item_new_with_label( item );
+    gtk_signal_connect( GTK_OBJECT(list_item), "select",
+      GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );

 
 

-  gtk_signal_connect( GTK_OBJECT(list_item), "select",
-    GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
+    if (GetWindowStyleFlag() & wxLB_MULTIPLE)
+        gtk_signal_connect( GTK_OBJECT(list_item), "deselect",
+          GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );

 
 

-  if (GetWindowStyleFlag() & wxLB_MULTIPLE)
-    gtk_signal_connect( GTK_OBJECT(list_item), "deselect",
-      GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
+    gtk_container_add( GTK_CONTAINER(m_list), list_item );

 
 

-  ConnectWidget( list_item );  
-       
-  m_clientData.Append( (wxObject*)clientData );
+    if (m_widgetStyle) ApplyWidgetStyle();
+  
+    gtk_widget_show( list_item );
+
+    ConnectWidget( list_item );

 
 

-  gtk_container_add( GTK_CONTAINER(m_list), list_item );
+    ConnectDnDWidget( list_item );
+}

 
 

-  if (m_widgetStyle) ApplyWidgetStyle();
+void wxListBox::Append( const wxString &item )
+{
+    m_clientDataList.Append( (wxObject*) NULL );
+    m_clientObjectList.Append( (wxObject*) NULL );

   
   

-  gtk_widget_show( list_item );
+    AppendCommon( item );
+}

 
 

-  ConnectWidget( list_item );
+void wxListBox::Append( const wxString &item, void *clientData )
+{
+    m_clientDataList.Append( (wxObject*) clientData );
+    m_clientObjectList.Append( (wxObject*) NULL );
+  
+    AppendCommon( item );
+}

 
 

-  ConnectDnDWidget( list_item );
+void wxListBox::Append( const wxString &item, wxClientData *clientData )
+{
+    m_clientObjectList.Append( (wxObject*) clientData );
+    m_clientDataList.Append( (wxObject*) NULL );
+  
+    AppendCommon( item );

 }
 
 }
 

-void wxListBox::Clear(void)
+void wxListBox::SetClientData( int n, void* clientData )

 {
 {

-  wxCHECK_RET( m_list != NULL, "invalid listbox" );
+    wxCHECK_RET( m_widget != NULL, "invalid combobox" );
+  
+    wxNode *node = m_clientDataList.Nth( n );
+    if (!node) return;
+  
+    node->SetData( (wxObject*) clientData );
+}
+
+void* wxListBox::GetClientData( int n )
+{
+    wxCHECK_MSG( m_widget != NULL, NULL, "invalid combobox" );
+  
+    wxNode *node = m_clientDataList.Nth( n );
+    if (!node) return NULL;
+    
+    return node->Data();
+}
+
+void wxListBox::SetClientObject( int n, wxClientData* clientData )
+{
+    wxCHECK_RET( m_widget != NULL, "invalid combobox" );
+    
+    wxNode *node = m_clientObjectList.Nth( n );
+    if (!node) return;
+  
+    wxClientData *cd = (wxClientData*) node->Data();
+    if (cd) delete cd;
+  
+    node->SetData( (wxObject*) clientData );
+}
+
+wxClientData* wxListBox::GetClientObject( int n )
+{
+    wxCHECK_MSG( m_widget != NULL, (wxClientData*)NULL, "invalid combobox" );
+  
+    wxNode *node = m_clientObjectList.Nth( n );
+    if (!node) return (wxClientData*) NULL;
+    
+    return (wxClientData*) node->Data();
+}
+
+void wxListBox::Clear()
+{
+    wxCHECK_RET( m_list != NULL, "invalid listbox" );

 
 

-  gtk_list_clear_items( m_list, 0, Number() );
+    gtk_list_clear_items( m_list, 0, Number() );

 
 

-  m_clientData.Clear();
+    wxNode *node = m_clientObjectList.First();
+    while (node)
+    {
+        wxClientData *cd = (wxClientData*)node->Data();
+        if (cd) delete cd;
+        node = node->Next();
+    }
+    m_clientObjectList.Clear();
+    
+    m_clientDataList.Clear();

 }
 
 void wxListBox::Delete( int n )
 {
 }
 
 void wxListBox::Delete( int n )
 {

-  wxCHECK_RET( m_list != NULL, "invalid listbox" );
+    wxCHECK_RET( m_list != NULL, "invalid listbox" );

 
 

-  GList *child = g_list_nth( m_list->children, n );
+    GList *child = g_list_nth( m_list->children, n );

 
 

-  if (!child)
-  {
-    wxFAIL_MSG("wrong listbox index");
-    return;
-  }
+    if (!child)
+    {
+      wxFAIL_MSG("wrong listbox index");
+      return;
+    }

 
 

-  GList *list = g_list_append( NULL, child->data );
-  gtk_list_remove_items( m_list, list );
-  g_list_free( list );
+    GList *list = g_list_append( NULL, child->data );
+    gtk_list_remove_items( m_list, list );
+    g_list_free( list );

 
 

-  wxNode *node = m_clientData.Nth( n );
-  if (!node)
-  {
-    wxFAIL_MSG("wrong listbox index");
-  }
-  else
-    m_clientData.DeleteNode( node );
+    wxNode *node = m_clientObjectList.Nth( n );
+    if (node)
+    {
+        wxClientData *cd = (wxClientData*)node->Data();
+        if (cd) delete cd;
+        m_clientObjectList.DeleteNode( node );
+    }
+    
+    node = m_clientDataList.Nth( n );
+    if (node)
+    {
+        m_clientDataList.DeleteNode( node );
+    }

 }
 
 void wxListBox::Deselect( int n )
 {
 }
 
 void wxListBox::Deselect( int n )
 {

-  wxCHECK_RET( m_list != NULL, "invalid listbox" );
+    wxCHECK_RET( m_list != NULL, "invalid listbox" );

 
 

-  gtk_list_unselect_item( m_list, n );
+    gtk_list_unselect_item( m_list, n );

 }
 
 int wxListBox::FindString( const wxString &item ) const
 {
 }
 
 int wxListBox::FindString( const wxString &item ) const
 {

-  wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );
+    wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );

   
   

-  GList *child = m_list->children;
-  int count = 0;
-  while (child)
-  {
-    GtkBin *bin = GTK_BIN( child->data );
-    GtkLabel *label = GTK_LABEL( bin->child );
-    if (item == label->label) return count;
-    count++;
-    child = child->next;
-  }
-
-  // it's not an error if the string is not found - this function may be used to
-  // test for existence of the string in the listbox, so don't give any
-  // errors/assert failures.
+    GList *child = m_list->children;
+    int count = 0;
+    while (child)
+    {
+        GtkBin *bin = GTK_BIN( child->data );
+        GtkLabel *label = GTK_LABEL( bin->child );
+        if (item == label->label) return count;
+        count++;
+        child = child->next;
+    }
+
+  // it's not an error if the string is not found -> no wxCHECK

 
   return -1;
 }
 
 
   return -1;
 }
 

-char *wxListBox::GetClientData( int n ) const
+int wxListBox::GetSelection() const

 {
 {

-  wxCHECK_MSG( m_list != NULL, (char*) NULL, "invalid listbox" );
+    wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );

   
   

-  wxNode *node = m_clientData.Nth( n );
-  if (node) return ((char*)node->Data());
-
-  wxFAIL_MSG("wrong listbox index");
-  return (char *) NULL;
+    GList *child = m_list->children;
+    int count = 0;
+    while (child)
+    {
+        if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED) return count;
+        count++;
+        child = child->next;
+    }
+    return -1;

 }
 
 }
 

-int wxListBox::GetSelection(void) const
+int wxListBox::GetSelections( wxArrayInt& aSelections ) const

 {
 {

-  wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );
+    wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );

   
   

-  GList *child = m_list->children;
-  int count = 0;
-  while (child)
-  {
-    if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED) return count;
-    count++;
-    child = child->next;
-  }
-  return -1;
-}
+    // get the number of selected items first
+    GList *child = m_list->children;
+    int count = 0;
+    for (child = m_list->children; child != NULL; child = child->next)
+    {
+        if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED)
+            count++;
+    }

 
 

-int wxListBox::GetSelections(wxArrayInt& aSelections) const
-{
-  wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );
-  
-  // get the number of selected items first
-  GList *child = m_list->children;
-  int count = 0;
-  for ( child = m_list->children; child != NULL; child = child->next )
-  {
-    if ( GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED )
-      count++;
-  }
-
-  aSelections.Empty();
-
-  if ( count > 0 ) {
-    // now fill the list
-    aSelections.Alloc(count); // optimization attempt
-    int i = 0;
-    for ( child = m_list->children; child != NULL; child = child->next, i++ )
+    aSelections.Empty();
+
+    if (count > 0) 

     {
     {

-      if ( GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED )
-        aSelections.Add(i);
+        // now fill the list
+        aSelections.Alloc(count); // optimization attempt
+        int i = 0;
+        for (child = m_list->children; child != NULL; child = child->next, i++)
+        {
+            if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED)
+                 aSelections.Add(i);
+        }

     }
     }

-  }

 
 

-  return count;
+    return count;

 }
 
 wxString wxListBox::GetString( int n ) const
 {
 }
 
 wxString wxListBox::GetString( int n ) const
 {

-  wxCHECK_MSG( m_list != NULL, "", "invalid listbox" );
+    wxCHECK_MSG( m_list != NULL, "", "invalid listbox" );

   
   

-  GList *child = g_list_nth( m_list->children, n );
-  if (child)
-  {
-    GtkBin *bin = GTK_BIN( child->data );
-    GtkLabel *label = GTK_LABEL( bin->child );
-    return label->label;
-  }
-  wxFAIL_MSG("wrong listbox index");
-  return "";
+    GList *child = g_list_nth( m_list->children, n );
+    if (child)
+    {
+        GtkBin *bin = GTK_BIN( child->data );
+        GtkLabel *label = GTK_LABEL( bin->child );
+        return label->label;
+    }
+    wxFAIL_MSG("wrong listbox index");
+    return "";

 }
 
 }
 

-wxString wxListBox::GetStringSelection(void) const
+wxString wxListBox::GetStringSelection() const

 {
 {

-  wxCHECK_MSG( m_list != NULL, "", "invalid listbox" );
+    wxCHECK_MSG( m_list != NULL, "", "invalid listbox" );

   
   

-  GList *selection = m_list->selection;
-  if (selection)
-  {
-    GtkBin *bin = GTK_BIN( selection->data );
-    wxString tmp = GTK_LABEL( bin->child )->label;
-    return tmp;
-  }
-  wxFAIL_MSG("no listbox selection available");
-  return "";
+    GList *selection = m_list->selection;
+    if (selection)
+    {
+        GtkBin *bin = GTK_BIN( selection->data );
+        wxString tmp = GTK_LABEL( bin->child )->label;
+        return tmp;
+    }
+    wxFAIL_MSG("no listbox selection available");
+    return "";

 }
 
 }
 

-int wxListBox::Number(void)
+int wxListBox::Number()

 {
 {

-  wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );
+    wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );

   
   

-  GList *child = m_list->children;
-  int count = 0;
-  while (child) { count++; child = child->next; }
-  return count;
+    GList *child = m_list->children;
+    int count = 0;
+    while (child) { count++; child = child->next; }
+    return count;

 }
 
 bool wxListBox::Selected( int n )
 {
 }
 
 bool wxListBox::Selected( int n )
 {

-  wxCHECK_MSG( m_list != NULL, FALSE, "invalid listbox" );
+    wxCHECK_MSG( m_list != NULL, FALSE, "invalid listbox" );

   
   

-  GList *target = g_list_nth( m_list->children, n );
-  if (target)
-  {
-    GList *child = m_list->selection;
-    while (child)
+    GList *target = g_list_nth( m_list->children, n );
+    if (target)

     {
     {

-      if (child->data == target->data) return TRUE;
-      child = child->next;
+        GList *child = m_list->selection;
+        while (child)
+        {
+            if (child->data == target->data) return TRUE;
+            child = child->next;
+        }

     }
     }

-  }
-  wxFAIL_MSG("wrong listbox index");
-  return FALSE;
+    wxFAIL_MSG("wrong listbox index");
+    return FALSE;

 }
 
 void wxListBox::Set( int WXUNUSED(n), const wxString *WXUNUSED(choices) )
 {
 }
 
 void wxListBox::Set( int WXUNUSED(n), const wxString *WXUNUSED(choices) )
 {

-  wxFAIL_MSG("wxListBox::Set not implemented");
-}
-
-void wxListBox::SetClientData( int n, char *clientData )
-{
-  wxCHECK_RET( m_list != NULL, "invalid listbox" );
-  
-  wxNode *node = m_clientData.Nth( n );
-  if (node)
-  {
-    node->SetData( (wxObject*)clientData );
-  }
-  else
-  {
-    wxFAIL_MSG("wrong listbox index");
-  }
+    wxFAIL_MSG("wxListBox::Set not implemented");

 }
 
 void wxListBox::SetFirstItem( int WXUNUSED(n) )
 {
 }
 
 void wxListBox::SetFirstItem( int WXUNUSED(n) )
 {

-  wxFAIL_MSG("wxListBox::SetFirstItem not implemented");
+    wxFAIL_MSG("wxListBox::SetFirstItem not implemented");

 }
 
 void wxListBox::SetFirstItem( const wxString &WXUNUSED(item) )
 {
 }
 
 void wxListBox::SetFirstItem( const wxString &WXUNUSED(item) )
 {

-  wxFAIL_MSG("wxListBox::SetFirstItem not implemented");
+    wxFAIL_MSG("wxListBox::SetFirstItem not implemented");

 }
 
 void wxListBox::SetSelection( int n, bool select )
 {
 }
 
 void wxListBox::SetSelection( int n, bool select )
 {

-  wxCHECK_RET( m_list != NULL, "invalid listbox" );
+    wxCHECK_RET( m_list != NULL, "invalid listbox" );

   
   

-  if (select)
-    gtk_list_select_item( m_list, n );
-  else
-    gtk_list_unselect_item( m_list, n );
+    if (select)
+        gtk_list_select_item( m_list, n );
+    else
+        gtk_list_unselect_item( m_list, n );

 }
 
 void wxListBox::SetString( int n, const wxString &string )
 {
 }
 
 void wxListBox::SetString( int n, const wxString &string )
 {

-  wxCHECK_RET( m_list != NULL, "invalid listbox" );
+    wxCHECK_RET( m_list != NULL, "invalid listbox" );

   
   

-  GList *child = g_list_nth( m_list->children, n );
-  if (child)
-  {
-    GtkBin *bin = GTK_BIN( child->data );
-    GtkLabel *label = GTK_LABEL( bin->child );
-    gtk_label_set( label, string );
-  }
-  else
-  {
-    wxFAIL_MSG("wrong listbox index");
-  }
+    GList *child = g_list_nth( m_list->children, n );
+    if (child)
+    {
+        GtkBin *bin = GTK_BIN( child->data );
+        GtkLabel *label = GTK_LABEL( bin->child );
+        gtk_label_set( label, string );
+    }
+    else
+    {
+        wxFAIL_MSG("wrong listbox index");
+    } 

 }
 
 void wxListBox::SetStringSelection( const wxString &string, bool select )
 {
 }
 
 void wxListBox::SetStringSelection( const wxString &string, bool select )
 {

-  wxCHECK_RET( m_list != NULL, "invalid listbox" );
+    wxCHECK_RET( m_list != NULL, "invalid listbox" );

   
   

-  SetSelection( FindString(string), select );
+    SetSelection( FindString(string), select );

 }
 
 int wxListBox::GetIndex( GtkWidget *item ) const
 {
 }
 
 int wxListBox::GetIndex( GtkWidget *item ) const
 {

-  if (item)
-  {
-    GList *child = m_list->children;
-    int count = 0;
-    while (child)
+    if (item)

     {
     {

-      if (GTK_WIDGET(child->data) == item) return count;
-      count++;
-      child = child->next;
+        GList *child = m_list->children;
+        int count = 0;
+        while (child)
+        {
+            if (GTK_WIDGET(child->data) == item) return count;
+            count++;
+            child = child->next;
+        }

     }
     }

-  }
-  return -1;
+    return -1;

 }
 
 void wxListBox::SetDropTarget( wxDropTarget *dropTarget )
 {
 }
 
 void wxListBox::SetDropTarget( wxDropTarget *dropTarget )
 {

-  wxCHECK_RET( m_list != NULL, "invalid listbox" );
+    wxCHECK_RET( m_list != NULL, "invalid listbox" );

   
   

-  GList *child = m_list->children;
-  while (child)
-  {
-    DisconnectDnDWidget( GTK_WIDGET( child->data ) );
-    child = child->next;
-  }
+    GList *child = m_list->children;
+    while (child)
+    {
+        DisconnectDnDWidget( GTK_WIDGET( child->data ) );
+        child = child->next;
+    }

 
 

-  wxWindow::SetDropTarget( dropTarget  );
+    wxWindow::SetDropTarget( dropTarget  );

 
 

-  child = m_list->children;
-  while (child)
-  {
-    ConnectDnDWidget( GTK_WIDGET( child->data ) );
-    child = child->next;
-  }
+    child = m_list->children;
+    while (child)
+    {
+        ConnectDnDWidget( GTK_WIDGET( child->data ) );
+        child = child->next;
+    }

 }
 
 }
 

-GtkWidget *wxListBox::GetConnectWidget(void)
+GtkWidget *wxListBox::GetConnectWidget()

 {
 {

-  return GTK_WIDGET(m_list);
+    return GTK_WIDGET(m_list);

 }
 
 bool wxListBox::IsOwnGtkWindow( GdkWindow *window )
 {
 }
 
 bool wxListBox::IsOwnGtkWindow( GdkWindow *window )
 {

-  if (wxWindow::IsOwnGtkWindow( window )) return TRUE;
+    if (wxWindow::IsOwnGtkWindow( window )) return TRUE;

 
 

-  GList *child = m_list->children;
-  while (child)
-  {
-    GtkWidget *bin = GTK_WIDGET( child->data );
-    if (bin->window == window) return TRUE;
-    child = child->next;
-  }
+    GList *child = m_list->children;
+    while (child)
+    {
+        GtkWidget *bin = GTK_WIDGET( child->data );
+        if (bin->window == window) return TRUE;
+        child = child->next;
+    }

 
 

-  return FALSE;
+    return FALSE;

 }
 
 void wxListBox::ApplyWidgetStyle()
 {
 }
 
 void wxListBox::ApplyWidgetStyle()
 {

-  SetWidgetStyle();
+    SetWidgetStyle();

   
   

-  GdkWindow *window = GTK_WIDGET(m_list)->window;
-  m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) );
-  gdk_window_set_background( window, m_backgroundColour.GetColor() );
-  gdk_window_clear( window );
+    if (m_backgroundColour.Ok())
+    {
+        GdkWindow *window = GTK_WIDGET(m_list)->window;
+        m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) );
+        gdk_window_set_background( window, m_backgroundColour.GetColor() );
+        gdk_window_clear( window );
+    }

       
       

-  GList *child = m_list->children;
-  while (child)
-  {
-    gtk_widget_set_style( GTK_BIN(child->data)->child, m_widgetStyle );
-    gtk_widget_set_style( GTK_WIDGET(child->data), m_widgetStyle );
-    child = child->next;
-  }
+    GList *child = m_list->children;
+    while (child)
+    {
+        gtk_widget_set_style( GTK_BIN(child->data)->child, m_widgetStyle );
+        gtk_widget_set_style( GTK_WIDGET(child->data), m_widgetStyle );
+        child = child->next;
+    }

 }
 }