remove needless casting (no real change)

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

diff --git a/src/gtk/combobox.cpp b/src/gtk/combobox.cpp
index 0da3f4e9ec2033037d48b170df9fff230cb54293..0ad836e685034143b84072119c68215ce7795fc3 100644 (file)
--- a/src/gtk/combobox.cpp
+++ b/src/gtk/combobox.cpp
@@ -10,159 +10,48 @@
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 

-#include "wx/combobox.h"
-

 #if wxUSE_COMBOBOX
 
 #if wxUSE_COMBOBOX
 

-#include "wx/settings.h"
-#include "wx/arrstr.h"
-#include "wx/intl.h"
+#include "wx/combobox.h"

 
 

-#include "wx/textctrl.h"    // for wxEVT_COMMAND_TEXT_UPDATED
+#ifndef WX_PRECOMP
+    #include "wx/intl.h"
+    #include "wx/settings.h"
+    #include "wx/textctrl.h"    // for wxEVT_COMMAND_TEXT_UPDATED
+    #include "wx/arrstr.h"
+#endif

 
 #include "wx/gtk/private.h"
 
 
 #include "wx/gtk/private.h"
 

-//-----------------------------------------------------------------------------
-// idle system
-//-----------------------------------------------------------------------------
-
-extern void wxapp_install_idle_handler();
-extern bool g_isIdle;
-
-//-----------------------------------------------------------------------------
-// data
-//-----------------------------------------------------------------------------
-
-extern bool   g_blockEventsOnDrag;
-static int    g_SelectionBeforePopup = wxID_NONE; // this means the popup is hidden
-
-//-----------------------------------------------------------------------------
-//  "changed" - typing and list item matches get changed, select-child
-//              if it doesn't match an item then just get a single changed
-//-----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
+// GTK callbacks
+// ----------------------------------------------------------------------------

 
 extern "C" {
 static void
 
 extern "C" {
 static void

-gtkcombo_text_changed_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo )
+gtkcombobox_text_changed_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo )

 {
 {

-    if (g_isIdle) wxapp_install_idle_handler();
-
-    if (combo->m_ignoreNextUpdate)
-    {
-        combo->m_ignoreNextUpdate = false;
-        return;
-    }
-

     if (!combo->m_hasVMT) return;
 
     wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, combo->GetId() );
     event.SetString( combo->GetValue() );
     event.SetEventObject( combo );
     if (!combo->m_hasVMT) return;
 
     wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, combo->GetId() );
     event.SetString( combo->GetValue() );
     event.SetEventObject( combo );

-    combo->GetEventHandler()->ProcessEvent( event );
-}
-}
-
-extern "C" {
-static void
-gtkcombo_dummy_callback(GtkEntry *WXUNUSED(entry), GtkCombo *WXUNUSED(combo))
-{
-}
-}
-
-extern "C" {
-static void
-gtkcombo_popup_hide_callback(GtkCombo *WXUNUSED(gtk_combo), wxComboBox *combo)
-{
-    // when the popup is hidden, throw a SELECTED event only if the combobox
-    // selection changed.
-    const int curSelection = combo->GetCurrentSelection();
-
-    const bool hasChanged = curSelection != g_SelectionBeforePopup;
-
-    // reset the selection flag to value meaning that it is hidden and do it
-    // now, before generating the events, so that GetSelection() returns the
-    // new value from the event handler
-    g_SelectionBeforePopup = wxID_NONE;
-
-    if ( hasChanged )
-    {
-        wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, combo->GetId() );
-        event.SetInt( curSelection );
-        event.SetString( combo->GetStringSelection() );
-        event.SetEventObject( combo );
-        combo->GetEventHandler()->ProcessEvent( event );
-
-        // for consistency with the other ports, send TEXT event
-        wxCommandEvent event2( wxEVT_COMMAND_TEXT_UPDATED, combo->GetId() );
-        event2.SetString( combo->GetStringSelection() );
-        event2.SetEventObject( combo );
-        combo->GetEventHandler()->ProcessEvent( event2 );
-    }
-}
-}
-
-extern "C" {
-static void
-gtkcombo_popup_show_callback(GtkCombo *WXUNUSED(gtk_combo), wxComboBox *combo)
-{
-    // store the combobox selection value before the popup is shown
-    g_SelectionBeforePopup = combo->GetCurrentSelection();
-}
+    combo->HandleWindowEvent( event );

 }
 
 }
 

-//-----------------------------------------------------------------------------
-// "select-child" - click/cursor get select-child, changed, select-child
-//-----------------------------------------------------------------------------
-
-extern "C" {

 static void
 static void

-gtkcombo_combo_select_child_callback( GtkList *WXUNUSED(list), GtkWidget *WXUNUSED(widget), wxComboBox *combo )
+gtkcombobox_changed_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo )

 {
 {

-    if (g_isIdle) wxapp_install_idle_handler();
-

     if (!combo->m_hasVMT) return;
 
     if (!combo->m_hasVMT) return;
 

-    if (g_blockEventsOnDrag) return;
-
-    int curSelection = combo->GetCurrentSelection();
-
-    if (combo->m_prevSelection == curSelection) return;
-
-    GtkWidget *list = GTK_COMBO(combo->m_widget)->list;
-    gtk_list_unselect_item( GTK_LIST(list), combo->m_prevSelection );
-
-    combo->m_prevSelection = curSelection;
-
-    // Quickly set the value of the combo box
-    // as GTK+ does that only AFTER the event
-    // is sent.
-    g_signal_handlers_disconnect_by_func (GTK_COMBO (combo->GetHandle())->entry,
-                                          (gpointer) gtkcombo_text_changed_callback,
-                                          combo);
-    combo->SetValue( combo->GetStringSelection() );
-    g_signal_connect_after (GTK_COMBO (combo->GetHandle())->entry, "changed",
-                            G_CALLBACK (gtkcombo_text_changed_callback), combo);
+    if (combo->GetSelection() == -1)
+        return;

 
 

-    // throw a SELECTED event only if the combobox popup is hidden (wxID_NONE)
-    // because when combobox popup is shown, gtkcombo_combo_select_child_callback is
-    // called each times the mouse is over an item with a pressed button so a lot
-    // of SELECTED event could be generated if the user keep the mouse button down
-    // and select other items ...
-    if (g_SelectionBeforePopup == wxID_NONE)
-    {
-        wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, combo->GetId() );
-        event.SetInt( curSelection );
-        event.SetString( combo->GetStringSelection() );
-        event.SetEventObject( combo );
-        combo->GetEventHandler()->ProcessEvent( event );
-
-        // for consistency with the other ports, don't generate text update
-        // events while the user is browsing the combobox neither
-        wxCommandEvent event2( wxEVT_COMMAND_TEXT_UPDATED, combo->GetId() );
-        event2.SetString( combo->GetValue() );
-        event2.SetEventObject( combo );
-        combo->GetEventHandler()->ProcessEvent( event2 );
-    }
+    wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, combo->GetId() );
+    event.SetInt( combo->GetSelection() );
+    event.SetString( combo->GetStringSelection() );
+    event.SetEventObject( combo );
+    combo->HandleWindowEvent( event );

 }
 }
 
 }
 }
 


@@ -173,7 +62,6 @@ gtkcombo_combo_select_child_callback( GtkList *WXUNUSED(list), GtkWidget *WXUNUS
 IMPLEMENT_DYNAMIC_CLASS(wxComboBox,wxControl)
 
 BEGIN_EVENT_TABLE(wxComboBox, wxControl)
 IMPLEMENT_DYNAMIC_CLASS(wxComboBox,wxControl)
 
 BEGIN_EVENT_TABLE(wxComboBox, wxControl)

-    EVT_SIZE(wxComboBox::OnSize)

     EVT_CHAR(wxComboBox::OnChar)
 
     EVT_MENU(wxID_CUT, wxComboBox::OnCut)
     EVT_CHAR(wxComboBox::OnChar)
 
     EVT_MENU(wxID_CUT, wxComboBox::OnCut)


@@ -212,9 +100,8 @@ bool wxComboBox::Create( wxWindow *parent, wxWindowID id, const wxString& value,
                          long style, const wxValidator& validator,
                          const wxString& name )
 {
                          long style, const wxValidator& validator,
                          const wxString& name )
 {

+    m_strings = NULL;

     m_ignoreNextUpdate = false;
     m_ignoreNextUpdate = false;

-    m_needParent = true;
-    m_acceptsFocus = true;

     m_prevSelection = 0;
 
     if (!PreCreation( parent, pos, size ) ||
     m_prevSelection = 0;
 
     if (!PreCreation( parent, pos, size ) ||


@@ -224,312 +111,161 @@ bool wxComboBox::Create( wxWindow *parent, wxWindowID id, const wxString& value,
         return false;
     }
 
         return false;
     }
 

-    m_widget = gtk_combo_new();
-    GtkCombo *combo = GTK_COMBO(m_widget);
-
-    // Disable GTK's broken events ...
-    g_signal_handler_disconnect (combo->entry, combo->entry_change_id);
-    // ... and add surrogate handler.
-    combo->entry_change_id = g_signal_connect (combo->entry, "changed",
-                                               G_CALLBACK (gtkcombo_dummy_callback),
-                                               combo);
-
-    // make it more useable
-    gtk_combo_set_use_arrows_always( GTK_COMBO(m_widget), TRUE );
-
-    // and case-sensitive
-    gtk_combo_set_case_sensitive( GTK_COMBO(m_widget), TRUE );
+    if (HasFlag(wxCB_SORT))
+        m_strings = new wxSortedArrayString();

 
 

-    if (style & wxNO_BORDER)
-        g_object_set( GTK_ENTRY( combo->entry ), "has-frame", FALSE, NULL );
+    m_widget = gtk_combo_box_entry_new_text();

 
 

-    GtkWidget *list = GTK_COMBO(m_widget)->list;
-
-    for (int i = 0; i < n; i++)
+    if (HasFlag(wxBORDER_NONE))

     {
     {

-        GtkWidget *list_item = gtk_list_item_new_with_label( wxGTK_CONV( choices[i] ) );
+        // Doesn't seem to work
+        // g_object_set (m_widget, "has-frame", FALSE, NULL);
+    }

 
 

-        m_clientDataList.Append( (wxObject*)NULL );
-        m_clientObjectList.Append( (wxObject*)NULL );
+    GtkEntry * const entry = GetEntry();

 
 

-        gtk_container_add( GTK_CONTAINER(list), list_item );
+    gtk_entry_set_editable( entry, TRUE );

 
 

-        gtk_widget_show( list_item );
-    }
+    Append(n, choices);

 
     m_parent->DoAddChild( this );
 
 
     m_parent->DoAddChild( this );
 

-    m_focusWidget = combo->entry;
+    m_focusWidget = GTK_WIDGET( entry );

 
     PostCreation(size);
 
 
     PostCreation(size);
 

-    ConnectWidget( combo->button );
+    ConnectWidget( m_widget );

 
 

-    // MSW's combo box shows the value and the selection is -1
-    gtk_entry_set_text( GTK_ENTRY(combo->entry), wxGTK_CONV(value) );
-    gtk_list_unselect_all( GTK_LIST(combo->list) );
+    gtk_entry_set_text( entry, wxGTK_CONV(value) );

 
     if (style & wxCB_READONLY)
 
     if (style & wxCB_READONLY)

-        gtk_entry_set_editable( GTK_ENTRY( combo->entry ), FALSE );
-
-    // "show" and "hide" events are generated when user click on the combobox button which popups a list
-    // this list is the "popwin" gtk widget
-    g_signal_connect (GTK_COMBO(combo)->popwin, "hide",
-                      G_CALLBACK (gtkcombo_popup_hide_callback), this);
-    g_signal_connect (GTK_COMBO(combo)->popwin, "show",
-                      G_CALLBACK (gtkcombo_popup_show_callback), this);
+        gtk_entry_set_editable( entry, FALSE );

 
 

-    g_signal_connect_after (combo->entry, "changed",
-                            G_CALLBACK (gtkcombo_text_changed_callback), this);
+    g_signal_connect_after (entry, "changed",
+                        G_CALLBACK (gtkcombobox_text_changed_callback), this);

 
 

-    g_signal_connect_after (combo->list, "select-child",
-                            G_CALLBACK (gtkcombo_combo_select_child_callback),
-                            this);
+    g_signal_connect_after (m_widget, "changed",
+                        G_CALLBACK (gtkcombobox_changed_callback), this);

 
 

-    SetBestSize(size); // need this too because this is a wxControlWithItems

 
 

-    // This is required for tool bar support
-//    wxSize setsize = GetSize();
-//    gtk_widget_set_size_request( m_widget, setsize.x, setsize.y );
+    SetInitialSize(size); // need this too because this is a wxControlWithItems

 
     return true;
 }
 
 
     return true;
 }
 

-wxComboBox::~wxComboBox()
+GtkEntry *wxComboBox::GetEntry() const

 {
 {

-    wxList::compatibility_iterator node = m_clientObjectList.GetFirst();
-    while (node)
-    {
-        wxClientData *cd = (wxClientData*)node->GetData();
-        if (cd) delete cd;
-        node = node->GetNext();
-    }
-    m_clientObjectList.Clear();
-
-    m_clientDataList.Clear();
+    return GTK_ENTRY(GTK_BIN(m_widget)->child);

 }
 
 }
 

-void wxComboBox::SetFocus()
+GtkEditable *wxComboBox::GetEditable() const

 {
 {

-    if ( m_hasFocus )
-    {
-        // don't do anything if we already have focus
-        return;
-    }
-
-    gtk_widget_grab_focus( m_focusWidget );
+    return GTK_EDITABLE( GTK_BIN(m_widget)->child );

 }
 
 }
 

-int wxComboBox::DoAppend( const wxString &item )
+wxComboBox::~wxComboBox()

 {
 {

-    wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid combobox") );
-
-    DisableEvents();
-
-    GtkWidget *list = GTK_COMBO(m_widget)->list;
-
-    GtkWidget *list_item = gtk_list_item_new_with_label( wxGTK_CONV( item ) );
-
-    gtk_container_add( GTK_CONTAINER(list), list_item );
-
-    if (GTK_WIDGET_REALIZED(m_widget))
-    {
-        gtk_widget_realize( list_item );
-        gtk_widget_realize( GTK_BIN(list_item)->child );
-    }
-
-    // Apply current widget style to the new list_item
-    GtkRcStyle *style = CreateWidgetStyle();
-    if (style)
-    {
-        gtk_widget_modify_style( GTK_WIDGET( list_item ), style );
-        GtkBin *bin = GTK_BIN( list_item );
-        GtkWidget *label = GTK_WIDGET( bin->child );
-        gtk_widget_modify_style( label, style );
-        gtk_rc_style_unref( style );
-    }
-
-    gtk_widget_show( list_item );
+    Clear();

 
 

-    const int count = GetCount();
-
-    if ( (int)m_clientDataList.GetCount() < count )
-        m_clientDataList.Append( (wxObject*) NULL );
-    if ( (int)m_clientObjectList.GetCount() < count )
-        m_clientObjectList.Append( (wxObject*) NULL );
-
-    EnableEvents();
-
-    InvalidateBestSize();
-
-    return count - 1;
+    delete m_strings;

 }
 
 }
 

-int wxComboBox::DoInsert( const wxString &item, int pos )
+int wxComboBox::DoInsertItems(const wxArrayStringsAdapter & items,
+                              unsigned int pos,
+                              void **clientData, wxClientDataType type)

 {
 {

-    wxCHECK_MSG( !(GetWindowStyle() & wxCB_SORT), -1,
-                    wxT("can't insert into sorted list"));
-

     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid combobox") );
 
     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid combobox") );
 

-    int count = GetCount();
-    wxCHECK_MSG( (pos >= 0) && (pos <= count), -1, wxT("invalid index") );
+    wxASSERT_MSG( !IsSorted() || (pos == GetCount()),
+                 _T("In a sorted combobox data could only be appended"));

 
 

-    if (pos == count)
-        return Append(item);
-
-    DisableEvents();
+    const int count = items.GetCount();

 
 

-    GtkWidget *list = GTK_COMBO(m_widget)->list;
+    int n = wxNOT_FOUND;

 
 

-    GtkWidget *list_item = gtk_list_item_new_with_label( wxGTK_CONV( item ) );
-
-    GList *gitem_list = g_list_alloc ();
-    gitem_list->data = list_item;
-    gtk_list_insert_items( GTK_LIST (list), gitem_list, pos );
-
-    if (GTK_WIDGET_REALIZED(m_widget))
+    GtkComboBox* combobox = GTK_COMBO_BOX( m_widget );
+    for( int i = 0; i < count; ++i )

     {
     {

-        gtk_widget_realize( list_item );
-        gtk_widget_realize( GTK_BIN(list_item)->child );
-
-        ApplyWidgetStyle();
-    }
+        n = pos + i;
+        // If sorted, use this wxSortedArrayStrings to determine
+        // the right insertion point
+        if(m_strings)
+            n = m_strings->Add(items[i]);

 
 

-    gtk_widget_show( list_item );
+        gtk_combo_box_insert_text( combobox, n, wxGTK_CONV( items[i] ) );

 
 

-    count = GetCount();
-
-    if ( (int)m_clientDataList.GetCount() < count )
-        m_clientDataList.Insert( pos, (wxObject*) NULL );
-    if ( (int)m_clientObjectList.GetCount() < count )
-        m_clientObjectList.Insert( pos, (wxObject*) NULL );
-
-    EnableEvents();
+        m_clientData.Insert( NULL, n );
+        AssignNewItemClientData(n, clientData, i, type);
+    }

 
     InvalidateBestSize();
 
 
     InvalidateBestSize();
 

-    return pos;
+    return n;

 }
 
 }
 

-void wxComboBox::DoSetItemClientData( int n, void* clientData )
+void wxComboBox::DoSetItemClientData(unsigned int n, void* clientData)

 {
 {

-    wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
-
-    wxList::compatibility_iterator node = m_clientDataList.Item( n );
-    if (!node) return;
-
-    node->SetData( (wxObject*) clientData );
+    m_clientData[n] = clientData;

 }
 
 }
 

-void* wxComboBox::DoGetItemClientData( int n ) const
+void* wxComboBox::DoGetItemClientData(unsigned int n) const

 {
 {

-    wxCHECK_MSG( m_widget != NULL, NULL, wxT("invalid combobox") );
-
-    wxList::compatibility_iterator node = m_clientDataList.Item( n );
-
-    return node ? node->GetData() : NULL;
-}
-
-void wxComboBox::DoSetItemClientObject( int n, wxClientData* clientData )
-{
-    wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
-
-    wxList::compatibility_iterator node = m_clientObjectList.Item( n );
-    if (!node) return;
-
-    // wxItemContainer already deletes data for us
-
-    node->SetData( (wxObject*) clientData );
-}
-
-wxClientData* wxComboBox::DoGetItemClientObject( int n ) const
-{
-    wxCHECK_MSG( m_widget != NULL, (wxClientData*)NULL, wxT("invalid combobox") );
-
-    wxList::compatibility_iterator node = m_clientObjectList.Item( n );
-
-    return node ? (wxClientData*) node->GetData() : NULL;
+    return m_clientData[n];

 }
 
 }
 

-void wxComboBox::Clear()
+void wxComboBox::DoClear()

 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
 
     DisableEvents();
 
 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
 
     DisableEvents();
 

-    GtkWidget *list = GTK_COMBO(m_widget)->list;
-    gtk_list_clear_items( GTK_LIST(list), 0, GetCount() );
+    GtkComboBox* combobox = GTK_COMBO_BOX( m_widget );
+    const unsigned int count = GetCount();
+    for (unsigned int i = 0; i < count; i++)
+        gtk_combo_box_remove_text( combobox, 0 );

 
 

-    wxList::compatibility_iterator node = m_clientObjectList.GetFirst();
-    while (node)
-    {
-        wxClientData *cd = (wxClientData*)node->GetData();
-        if (cd) delete cd;
-        node = node->GetNext();
-    }
-    m_clientObjectList.Clear();
+    m_clientData.Clear();

 
 

-    m_clientDataList.Clear();
+    if(m_strings)
+        m_strings->Clear();

 
     EnableEvents();
 
     InvalidateBestSize();
 }
 
 
     EnableEvents();
 
     InvalidateBestSize();
 }
 

-void wxComboBox::Delete( int n )
+void wxComboBox::DoDeleteOneItem(unsigned int n)

 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
 
 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
 

-    GtkList *listbox = GTK_LIST( GTK_COMBO(m_widget)->list );
+    wxCHECK_RET( IsValid(n), wxT("invalid index") );

 
 

-    GList *child = g_list_nth( listbox->children, n );
+    GtkComboBox* combobox = GTK_COMBO_BOX( m_widget );
+    gtk_combo_box_remove_text( combobox, n );

 
 

-    if (!child)
-    {
-        wxFAIL_MSG(wxT("wrong index"));
-        return;
-    }
-
-    DisableEvents();
-
-    GList *list = g_list_append( (GList*) NULL, child->data );
-    gtk_list_remove_items( listbox, list );
-    g_list_free( list );
-
-    wxList::compatibility_iterator node = m_clientObjectList.Item( n );
-    if (node)
-    {
-        wxClientData *cd = (wxClientData*)node->GetData();
-        if (cd) delete cd;
-        m_clientObjectList.Erase( node );
-    }
-
-    node = m_clientDataList.Item( n );
-    if (node)
-        m_clientDataList.Erase( node );
-
-    EnableEvents();
+    m_clientData.RemoveAt( n );
+    if(m_strings)
+        m_strings->RemoveAt( n );

 
     InvalidateBestSize();
 }
 
 
     InvalidateBestSize();
 }
 

-void wxComboBox::SetString(int n, const wxString &text)
+void wxComboBox::SetString(unsigned int n, const wxString &text)

 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
 
 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
 

-    GtkWidget *list = GTK_COMBO(m_widget)->list;
+    GtkComboBox* combobox = GTK_COMBO_BOX( m_widget );
+    wxCHECK_RET( IsValid(n), wxT("invalid index") );

 
 

-    GList *child = g_list_nth( GTK_LIST(list)->children, n );
-    if (child)
-    {
-        GtkBin *bin = GTK_BIN( child->data );
-        GtkLabel *label = GTK_LABEL( bin->child );
-        gtk_label_set_text(label, wxGTK_CONV(text));
-    }
-    else
+    GtkTreeModel *model = gtk_combo_box_get_model( combobox );
+    GtkTreeIter iter;
+    if (gtk_tree_model_iter_nth_child (model, &iter, NULL, n))

     {
     {

-        wxFAIL_MSG( wxT("wxComboBox: wrong index") );
+        GValue value = { 0, };
+        g_value_init( &value, G_TYPE_STRING );
+        g_value_set_string( &value, wxGTK_CONV( text ) );
+        gtk_list_store_set_value( GTK_LIST_STORE(model), &iter, 0, &value );
+        g_value_unset( &value );

     }
 
     InvalidateBestSize();
     }
 
     InvalidateBestSize();


@@ -539,108 +275,79 @@ int wxComboBox::FindString( const wxString &item, bool bCase ) const
 {
     wxCHECK_MSG( m_widget != NULL, wxNOT_FOUND, wxT("invalid combobox") );
 
 {
     wxCHECK_MSG( m_widget != NULL, wxNOT_FOUND, wxT("invalid combobox") );
 

-    GtkWidget *list = GTK_COMBO(m_widget)->list;
-
-    GList *child = GTK_LIST(list)->children;
+    GtkComboBox* combobox = GTK_COMBO_BOX( m_widget );
+    GtkTreeModel* model = gtk_combo_box_get_model( combobox );
+    GtkTreeIter iter;
+    gtk_tree_model_get_iter_first( model, &iter );
+    if (!gtk_list_store_iter_is_valid(GTK_LIST_STORE(model), &iter ))
+        return -1;

     int count = 0;
     int count = 0;

-    while (child)
+    do

     {
     {

-        GtkBin *bin = GTK_BIN( child->data );
-        GtkLabel *label = GTK_LABEL( bin->child );
-        wxString str( wxGTK_CONV_BACK( gtk_label_get_text(label) ) );
+        GValue value = { 0, };
+        gtk_tree_model_get_value( model, &iter, 0, &value );
+        wxString str = wxGTK_CONV_BACK( g_value_get_string( &value ) );
+        g_value_unset( &value );

 
 

-        if (item.IsSameAs( str , bCase ) )
+        if (item.IsSameAs( str, bCase ) )

             return count;
 
         count++;
             return count;
 
         count++;

-        child = child->next;

     }
     }

+    while ( gtk_tree_model_iter_next(model, &iter) );

 
     return wxNOT_FOUND;
 }
 
 int wxComboBox::GetSelection() const
 {
 
     return wxNOT_FOUND;
 }
 
 int wxComboBox::GetSelection() const
 {

-    // if the popup is currently opened, use the selection as it had been
-    // before it dropped down
-    return g_SelectionBeforePopup == wxID_NONE ? GetCurrentSelection()
-                                               : g_SelectionBeforePopup;
+    GtkComboBox* combobox = GTK_COMBO_BOX( m_widget );
+    return gtk_combo_box_get_active( combobox );

 }
 
 int wxComboBox::GetCurrentSelection() const
 {
     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid combobox") );
 
 }
 
 int wxComboBox::GetCurrentSelection() const
 {
     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid combobox") );
 

-    GtkWidget *list = GTK_COMBO(m_widget)->list;
-
-    GList *selection = GTK_LIST(list)->selection;
-    if (selection)
-    {
-        GList *child = GTK_LIST(list)->children;
-        int count = 0;
-        while (child)
-        {
-            if (child->data == selection->data) return count;
-            count++;
-            child = child->next;
-        }
-    }
-
-    return -1;
+    GtkComboBox* combobox = GTK_COMBO_BOX( m_widget );
+    return gtk_combo_box_get_active( combobox );

 }
 
 }
 

-wxString wxComboBox::GetString( int n ) const
+wxString wxComboBox::GetString(unsigned int n) const

 {
     wxCHECK_MSG( m_widget != NULL, wxEmptyString, wxT("invalid combobox") );
 
 {
     wxCHECK_MSG( m_widget != NULL, wxEmptyString, wxT("invalid combobox") );
 

-    GtkWidget *list = GTK_COMBO(m_widget)->list;
-

     wxString str;
     wxString str;

-    GList *child = g_list_nth( GTK_LIST(list)->children, n );
-    if (child)
-    {
-        GtkBin *bin = GTK_BIN( child->data );
-        GtkLabel *label = GTK_LABEL( bin->child );
-        str = wxGTK_CONV_BACK( gtk_label_get_text(label) );
-    }
-    else
-    {
-        wxFAIL_MSG( wxT("wxComboBox: wrong index") );
-    }
-
-    return str;
-}
-
-wxString wxComboBox::GetStringSelection() const
-{
-    wxCHECK_MSG( m_widget != NULL, wxEmptyString, wxT("invalid combobox") );
-
-    GtkWidget *list = GTK_COMBO(m_widget)->list;

 
 

-    GList *selection = GTK_LIST(list)->selection;
-    if (selection)
+    GtkComboBox* combobox = GTK_COMBO_BOX( m_widget );
+    GtkTreeModel *model = gtk_combo_box_get_model( combobox );
+    GtkTreeIter iter;
+    if (gtk_tree_model_iter_nth_child (model, &iter, NULL, n))

     {
     {

-        GtkBin *bin = GTK_BIN( selection->data );
-        GtkLabel *label = GTK_LABEL( bin->child );
-        wxString tmp( wxGTK_CONV_BACK( gtk_label_get_text(label) ) );
+        GValue value = { 0, };
+        gtk_tree_model_get_value( model, &iter, 0, &value );
+        wxString tmp = wxGTK_CONV_BACK( g_value_get_string( &value ) );
+        g_value_unset( &value );

         return tmp;
     }
 
         return tmp;
     }
 

-    wxFAIL_MSG( wxT("wxComboBox: no selection") );
-
-    return wxEmptyString;
+    return str;

 }
 
 }
 

-int wxComboBox::GetCount() const
+unsigned int wxComboBox::GetCount() const

 {
     wxCHECK_MSG( m_widget != NULL, 0, wxT("invalid combobox") );
 
 {
     wxCHECK_MSG( m_widget != NULL, 0, wxT("invalid combobox") );
 

-    GtkWidget *list = GTK_COMBO(m_widget)->list;
-
-    GList *child = GTK_LIST(list)->children;
-    int count = 0;
-    while (child) { count++; child = child->next; }
-    return count;
+    GtkComboBox* combobox = GTK_COMBO_BOX( m_widget );
+    GtkTreeModel* model = gtk_combo_box_get_model( combobox );
+    GtkTreeIter iter;
+    gtk_tree_model_get_iter_first( model, &iter );
+    if (!gtk_list_store_iter_is_valid(GTK_LIST_STORE(model), &iter ))
+        return 0;
+    unsigned int ret = 1;
+    while (gtk_tree_model_iter_next( model, &iter ))
+        ret++;
+    return ret;

 }
 
 void wxComboBox::SetSelection( int n )
 }
 
 void wxComboBox::SetSelection( int n )


@@ -649,219 +356,44 @@ void wxComboBox::SetSelection( int n )
 
     DisableEvents();
 
 
     DisableEvents();
 

-    GtkWidget *list = GTK_COMBO(m_widget)->list;
-    gtk_list_unselect_item( GTK_LIST(list), m_prevSelection );
-    gtk_list_select_item( GTK_LIST(list), n );
-    m_prevSelection = n;
+    GtkComboBox* combobox = GTK_COMBO_BOX( m_widget );
+    gtk_combo_box_set_active( combobox, n );

 
     EnableEvents();
 }
 
 
     EnableEvents();
 }
 

-wxString wxComboBox::GetValue() const
-{
-    GtkEntry *entry = GTK_ENTRY( GTK_COMBO(m_widget)->entry );
-    wxString tmp( wxGTK_CONV_BACK( gtk_entry_get_text( entry ) ) );
-
-#if 0
-    for (int i = 0; i < wxStrlen(tmp.c_str()) +1; i++)
-    {
-        wxChar c = tmp[i];
-        printf( "%d ", (int) (c) );
-    }
-    printf( "\n" );
-#endif
-
-    return tmp;
-}
-
-void wxComboBox::SetValue( const wxString& value )
-{
-    wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
-
-    GtkWidget *entry = GTK_COMBO(m_widget)->entry;
-    wxString tmp;
-    if (!value.IsNull()) tmp = value;
-    gtk_entry_set_text( GTK_ENTRY(entry), wxGTK_CONV( tmp ) );
-
-    InvalidateBestSize();
-}
-
-void wxComboBox::Copy()
-{
-    wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
-
-    GtkWidget *entry = GTK_COMBO(m_widget)->entry;
-    gtk_editable_copy_clipboard(GTK_EDITABLE(entry));
-}
-
-void wxComboBox::Cut()
-{
-    wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
-
-    GtkWidget *entry = GTK_COMBO(m_widget)->entry;
-    gtk_editable_cut_clipboard(GTK_EDITABLE(entry));
-}
-
-void wxComboBox::Paste()
-{
-    wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
-
-    GtkWidget *entry = GTK_COMBO(m_widget)->entry;
-    gtk_editable_paste_clipboard(GTK_EDITABLE(entry));
-}
-
-void wxComboBox::Undo()
-{
-    // TODO
-}
-
-void wxComboBox::Redo()
-{
-    // TODO
-}
-
-void wxComboBox::SelectAll()
-{
-    SetSelection(0, GetLastPosition());
-}
-
-bool wxComboBox::CanUndo() const
-{
-    // TODO
-    return false;
-}
-
-bool wxComboBox::CanRedo() const
-{
-    // TODO
-    return false;
-}
-
-bool wxComboBox::HasSelection() const
-{
-    long from, to;
-    GetSelection(&from, &to);
-    return from != to;
-}
-
-bool wxComboBox::CanCopy() const
-{
-    // Can copy if there's a selection
-    return HasSelection();
-}
-
-bool wxComboBox::CanCut() const
-{
-    return CanCopy() && IsEditable();
-}
-
-bool wxComboBox::CanPaste() const
-{
-    // TODO: check for text on the clipboard
-    return IsEditable() ;
-}
-
-bool wxComboBox::IsEditable() const
-{
-    return !HasFlag(wxCB_READONLY);
-}
-
-
-void wxComboBox::SetInsertionPoint( long pos )
-{
-    wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
-
-    if ( pos == GetLastPosition() )
-        pos = -1;
-
-    GtkWidget *entry = GTK_COMBO(m_widget)->entry;
-    gtk_entry_set_position( GTK_ENTRY(entry), (int)pos );
-}
-
-long wxComboBox::GetInsertionPoint() const
-{
-    return (long) gtk_editable_get_position(GTK_EDITABLE(GTK_COMBO(m_widget)->entry));
-}
-
-wxTextPos wxComboBox::GetLastPosition() const
-{
-    GtkWidget *entry = GTK_COMBO(m_widget)->entry;
-    int pos = GTK_ENTRY(entry)->text_length;
-    return (long) pos-1;
-}
-
-void wxComboBox::Replace( long from, long to, const wxString& value )
-{
-    wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
-
-    GtkWidget *entry = GTK_COMBO(m_widget)->entry;
-    gtk_editable_delete_text( GTK_EDITABLE(entry), (gint)from, (gint)to );
-    if (value.IsNull()) return;
-    gint pos = (gint)to;
-
-#if wxUSE_UNICODE
-    wxCharBuffer buffer = wxConvUTF8.cWX2MB( value );
-    gtk_editable_insert_text( GTK_EDITABLE(entry), (const char*) buffer, strlen( (const char*) buffer ), &pos );
-#else
-    gtk_editable_insert_text( GTK_EDITABLE(entry), value.c_str(), value.Length(), &pos );
-#endif
-}
-
-void wxComboBox::SetSelection( long from, long to )
-{
-    GtkWidget *entry = GTK_COMBO(m_widget)->entry;
-    gtk_editable_select_region( GTK_EDITABLE(entry), (gint)from, (gint)to );
-}
-
-void wxComboBox::GetSelection( long* from, long* to ) const
-{
-    if (IsEditable())
-    {
-        GtkEditable *editable = GTK_EDITABLE(GTK_COMBO(m_widget)->entry);
-        gint start, end;
-        gtk_editable_get_selection_bounds(editable, & start, & end);
-        *from = start;
-        *to = end;
-    }
-}
-
-void wxComboBox::SetEditable( bool editable )
-{
-    GtkWidget *entry = GTK_COMBO(m_widget)->entry;
-    gtk_entry_set_editable( GTK_ENTRY(entry), editable );
-}
-

 void wxComboBox::OnChar( wxKeyEvent &event )
 {
 void wxComboBox::OnChar( wxKeyEvent &event )
 {

-    if ( event.GetKeyCode() == WXK_RETURN )
+    switch ( event.GetKeyCode() )

     {
     {

-        // GTK automatically selects an item if its in the list
-        wxCommandEvent eventEnter(wxEVT_COMMAND_TEXT_ENTER, GetId());
-        eventEnter.SetString( GetValue() );
-        eventEnter.SetInt( GetSelection() );
-        eventEnter.SetEventObject( this );
-
-        if (!GetEventHandler()->ProcessEvent( eventEnter ))
-        {
-            // This will invoke the dialog default action, such
-            // as the clicking the default button.
-
-            wxWindow *top_frame = m_parent;
-            while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
-                top_frame = top_frame->GetParent();
+        case WXK_RETURN:
+            if ( HasFlag(wxTE_PROCESS_ENTER) )
+            {
+                // GTK automatically selects an item if its in the list
+                wxCommandEvent eventEnter(wxEVT_COMMAND_TEXT_ENTER, GetId());
+                eventEnter.SetString( GetValue() );
+                eventEnter.SetInt( GetSelection() );
+                eventEnter.SetEventObject( this );
+
+                if ( HandleWindowEvent(eventEnter) )
+                {
+                    // Catch GTK event so that GTK doesn't open the drop
+                    // down list upon RETURN.
+                    return;
+                }
+            }

 
 

-            if (top_frame && GTK_IS_WINDOW(top_frame->m_widget))
+            // On enter key press, we must give a signal to default control, 
+            // Otherwise, nothing happens when pressing Enter from inside a 
+            // combo box in a dialog. 
+            wxWindow *top_frame = wxGetTopLevelParent(this);
+            if( top_frame && GTK_IS_WINDOW(top_frame->m_widget) )

             {
                 GtkWindow *window = GTK_WINDOW(top_frame->m_widget);
             {
                 GtkWindow *window = GTK_WINDOW(top_frame->m_widget);

-
-                if (window->default_widget)
-                        gtk_widget_activate (window->default_widget);
+                if ( window->default_widget )
+                    gtk_widget_activate( window->default_widget );

             }
             }

-        }
-
-        // Catch GTK event so that GTK doesn't open the drop
-        // down list upon RETURN.
-        return;
+            break;

     }
 
     event.Skip();
     }
 
     event.Skip();


@@ -869,67 +401,32 @@ void wxComboBox::OnChar( wxKeyEvent &event )
 
 void wxComboBox::DisableEvents()
 {
 
 void wxComboBox::DisableEvents()
 {

-    g_signal_handlers_disconnect_by_func (GTK_COMBO(m_widget)->list,
-                                          (gpointer) gtkcombo_combo_select_child_callback,
-                                          this);
-    g_signal_handlers_disconnect_by_func (GTK_COMBO(m_widget)->entry,
-                                          (gpointer) gtkcombo_text_changed_callback,
-                                          this);
-}
+    g_signal_handlers_block_by_func(GTK_BIN(m_widget)->child,
+        (gpointer)gtkcombobox_text_changed_callback, this);

 
 

-void wxComboBox::EnableEvents()
-{
-    g_signal_connect_after (GTK_COMBO(m_widget)->list, "select-child",
-                            G_CALLBACK (gtkcombo_combo_select_child_callback),
-                            this);
-    g_signal_connect_after (GTK_COMBO(m_widget)->entry, "changed",
-                            G_CALLBACK (gtkcombo_text_changed_callback),
-                            this );
-}
-
-void wxComboBox::OnSize( wxSizeEvent &event )
-{
-    // NB: In some situations (e.g. on non-first page of a wizard, if the
-    //     size used is default size), GtkCombo widget is resized correctly,
-    //     but it's look is not updated, it's rendered as if it was much wider.
-    //     No other widgets are affected, so it looks like a bug in GTK+.
-    //     Manually requesting resize calculation (as gtk_pizza_set_size does)
-    //     fixes it.
-    if (GTK_WIDGET_VISIBLE(m_widget))
-        gtk_widget_queue_resize(m_widget);
-
-    event.Skip();
+    g_signal_handlers_block_by_func(m_widget,
+        (gpointer)gtkcombobox_changed_callback, this);

 }
 
 }
 

-void wxComboBox::DoApplyWidgetStyle(GtkRcStyle *style)
+void wxComboBox::EnableEvents()

 {
 {

-//    gtk_widget_modify_style( GTK_COMBO(m_widget)->button, syle );
-
-    gtk_widget_modify_style( GTK_COMBO(m_widget)->entry, style );
-    gtk_widget_modify_style( GTK_COMBO(m_widget)->list, style );
-
-    GtkList *list = GTK_LIST( GTK_COMBO(m_widget)->list );
-    GList *child = list->children;
-    while (child)
-    {
-        gtk_widget_modify_style( GTK_WIDGET(child->data), style );
+    g_signal_handlers_unblock_by_func(GTK_BIN(m_widget)->child,
+        (gpointer)gtkcombobox_text_changed_callback, this);

 
 

-        GtkBin *bin = GTK_BIN(child->data);
-        gtk_widget_modify_style( bin->child, style );
-
-        child = child->next;
-    }
+    g_signal_handlers_unblock_by_func(m_widget,
+        (gpointer)gtkcombobox_changed_callback, this);

 }
 
 GtkWidget* wxComboBox::GetConnectWidget()
 {
 }
 
 GtkWidget* wxComboBox::GetConnectWidget()
 {

-    return GTK_COMBO(m_widget)->entry;
+    return GTK_WIDGET( GetEntry() );

 }
 
 }
 

-bool wxComboBox::IsOwnGtkWindow( GdkWindow *window )
+GdkWindow *wxComboBox::GTKGetWindow(wxArrayGdkWindows& windows) const

 {
 {

-    return ( (window == GTK_ENTRY( GTK_COMBO(m_widget)->entry )->text_area) ||
-             (window == GTK_COMBO(m_widget)->button->window ) );
+    wxUnusedVar(windows);
+
+    return GetEntry()->text_area;

 }
 
 wxSize wxComboBox::DoGetBestSize() const
 }
 
 wxSize wxComboBox::DoGetBestSize() const


@@ -941,10 +438,10 @@ wxSize wxComboBox::DoGetBestSize() const
     if ( m_widget )
     {
         int width;
     if ( m_widget )
     {
         int width;

-        size_t count = GetCount();
-        for ( size_t n = 0; n < count; n++ )
+        unsigned int count = GetCount();
+        for ( unsigned int n = 0; n < count; n++ )

         {
         {

-            GetTextExtent( GetString(n), &width, NULL, NULL, NULL );
+            GetTextExtent(GetString(n), &width, NULL, NULL, NULL );

             if ( width > ret.x )
                 ret.x = width;
         }
             if ( width > ret.x )
                 ret.x = width;
         }


@@ -962,7 +459,7 @@ wxSize wxComboBox::DoGetBestSize() const
 wxVisualAttributes
 wxComboBox::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 {
 wxVisualAttributes
 wxComboBox::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 {

-    return GetDefaultAttributesFromGTKWidget(gtk_combo_new, true);
+    return GetDefaultAttributesFromGTKWidget(gtk_combo_box_entry_new, true);

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


@@ -996,15 +493,12 @@ void wxComboBox::OnRedo(wxCommandEvent& WXUNUSED(event))
 
 void wxComboBox::OnDelete(wxCommandEvent& WXUNUSED(event))
 {
 
 void wxComboBox::OnDelete(wxCommandEvent& WXUNUSED(event))
 {

-    long from, to;
-    GetSelection(& from, & to);
-    if (from != -1 && to != -1)
-        Remove(from, to);
+    RemoveSelection();

 }
 
 void wxComboBox::OnSelectAll(wxCommandEvent& WXUNUSED(event))
 {
 }
 
 void wxComboBox::OnSelectAll(wxCommandEvent& WXUNUSED(event))
 {

-    SetSelection(-1, -1);
+    SelectAll();

 }
 
 void wxComboBox::OnUpdateCut(wxUpdateUIEvent& event)
 }
 
 void wxComboBox::OnUpdateCut(wxUpdateUIEvent& event)


@@ -1039,7 +533,7 @@ void wxComboBox::OnUpdateDelete(wxUpdateUIEvent& event)
 
 void wxComboBox::OnUpdateSelectAll(wxUpdateUIEvent& event)
 {
 
 void wxComboBox::OnUpdateSelectAll(wxUpdateUIEvent& event)
 {

-    event.Enable(GetLastPosition() > 0);
+    event.Enable(!wxTextEntry::IsEmpty());

 }
 
 }
 

-#endif
+#endif // wxUSE_COMBOBOX