added missing include file and corrected memory leak due to creation of

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

diff --git a/src/gtk/combobox.cpp b/src/gtk/combobox.cpp
index de35777f0b8bc2682090eac4e64d887837df7366..3542a670b49df3e7fa891fb65722a982cc94f46f 100644 (file)
--- a/src/gtk/combobox.cpp
+++ b/src/gtk/combobox.cpp
@@ -20,8 +20,7 @@
 
 #include "wx/textctrl.h"    // for wxEVT_COMMAND_TEXT_UPDATED
 
 
 #include "wx/textctrl.h"    // for wxEVT_COMMAND_TEXT_UPDATED
 

-#include <gdk/gdk.h>
-#include <gtk/gtk.h>
+#include "wx/gtk/private.h"

 
 //-----------------------------------------------------------------------------
 // idle system
 
 //-----------------------------------------------------------------------------
 // idle system


@@ -37,34 +36,25 @@ extern bool g_isIdle;
 extern bool   g_blockEventsOnDrag;
 
 //-----------------------------------------------------------------------------
 extern bool   g_blockEventsOnDrag;
 
 //-----------------------------------------------------------------------------

-// "select"
+// "select-child" - click/cursor get select-child, changed, select-child

 //-----------------------------------------------------------------------------
 
 static void
 //-----------------------------------------------------------------------------
 
 static void

-gtk_combo_clicked_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo )
+gtk_combo_select_child_callback( GtkList *WXUNUSED(list), GtkWidget *WXUNUSED(widget), wxComboBox *combo )

 {
     if (g_isIdle) wxapp_install_idle_handler();
 
     if (!combo->m_hasVMT) return;
 {
     if (g_isIdle) wxapp_install_idle_handler();
 
     if (!combo->m_hasVMT) return;

-
+    

     if (g_blockEventsOnDrag) return;
 
     if (g_blockEventsOnDrag) return;
 

-    if (combo->m_alreadySent)
-    {
-        combo->m_alreadySent = FALSE;
-        return;
-    }
-
-    combo->m_alreadySent = TRUE;
-

     int curSelection = combo->GetSelection();
     int curSelection = combo->GetSelection();

-
+    

     if (combo->m_prevSelection != curSelection)
     {
         GtkWidget *list = GTK_COMBO(combo->m_widget)->list;
         gtk_list_unselect_item( GTK_LIST(list), combo->m_prevSelection );
     }
     if (combo->m_prevSelection != curSelection)
     {
         GtkWidget *list = GTK_COMBO(combo->m_widget)->list;
         gtk_list_unselect_item( GTK_LIST(list), combo->m_prevSelection );
     }

-

     combo->m_prevSelection = curSelection;
 
     wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, combo->GetId() );
     combo->m_prevSelection = curSelection;
 
     wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, combo->GetId() );


@@ -76,7 +66,8 @@ gtk_combo_clicked_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo )
 }
 
 //-----------------------------------------------------------------------------
 }
 
 //-----------------------------------------------------------------------------

-//  "changed"
+//  "changed" - typing and list item matches get changed, select-child
+//              if it doesn't match an item then just get a single changed

 //-----------------------------------------------------------------------------
 
 static void
 //-----------------------------------------------------------------------------
 
 static void


@@ -92,6 +83,11 @@ gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo )
     combo->GetEventHandler()->ProcessEvent( event );
 }
 
     combo->GetEventHandler()->ProcessEvent( event );
 }
 

+static void
+gtk_dummy_callback(GtkEntry *WXUNUSED(entry), GtkCombo *WXUNUSED(combo))
+{
+}
+

 //-----------------------------------------------------------------------------
 // wxComboBox
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // wxComboBox
 //-----------------------------------------------------------------------------


@@ -122,6 +118,13 @@ bool wxComboBox::Create( wxWindow *parent, wxWindowID id, const wxString& value,
     }
 
     m_widget = gtk_combo_new();
     }
 
     m_widget = gtk_combo_new();

+    GtkCombo *combo = GTK_COMBO(m_widget);
+    
+    // Disable GTK's broken events ...
+    gtk_signal_disconnect( GTK_OBJECT(combo->entry), combo->entry_change_id );
+    // ... and add surogate handler.
+    combo->entry_change_id = gtk_signal_connect (GTK_OBJECT (combo->entry), "changed",
+                             (GtkSignalFunc) gtk_dummy_callback, combo);

 
     // make it more useable
     gtk_combo_set_use_arrows_always( GTK_COMBO(m_widget), TRUE );
 
     // make it more useable
     gtk_combo_set_use_arrows_always( GTK_COMBO(m_widget), TRUE );


@@ -129,45 +132,44 @@ bool wxComboBox::Create( wxWindow *parent, wxWindowID id, const wxString& value,
     // and case-sensitive
     gtk_combo_set_case_sensitive( GTK_COMBO(m_widget), TRUE );
 
     // and case-sensitive
     gtk_combo_set_case_sensitive( GTK_COMBO(m_widget), TRUE );
 

-

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

-    gtk_list_set_selection_mode( GTK_LIST(list), GTK_SELECTION_MULTIPLE );
+#ifndef __WXGTK20__
+    // gtk_list_set_selection_mode( GTK_LIST(list), GTK_SELECTION_MULTIPLE );
+#endif

 
     for (int i = 0; i < n; i++)
     {
 
     for (int i = 0; i < n; i++)
     {

-        /* don't send first event, which GTK sends aways when
-           inserting the first item */
-        m_alreadySent = TRUE;
-
-        GtkWidget *list_item = gtk_list_item_new_with_label( choices[i].mbc_str() );
+        GtkWidget *list_item = gtk_list_item_new_with_label( wxGTK_CONV( choices[i] ) );

 
         m_clientDataList.Append( (wxObject*)NULL );
         m_clientObjectList.Append( (wxObject*)NULL );
 
         gtk_container_add( GTK_CONTAINER(list), list_item );
 
 
         m_clientDataList.Append( (wxObject*)NULL );
         m_clientObjectList.Append( (wxObject*)NULL );
 
         gtk_container_add( GTK_CONTAINER(list), list_item );
 

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

         gtk_widget_show( list_item );
     }
 
     m_parent->DoAddChild( this );
     
         gtk_widget_show( list_item );
     }
 
     m_parent->DoAddChild( this );
     

-    m_focusWidget = GTK_COMBO(m_widget)->entry;
+    m_focusWidget = combo->entry;

 
     PostCreation();
 
 
     PostCreation();
 

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

 
 

-    if (!value.IsNull()) SetValue( value );
+    // 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) );

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

-        gtk_entry_set_editable( GTK_ENTRY( GTK_COMBO(m_widget)->entry ), FALSE );
+        gtk_entry_set_editable( GTK_ENTRY( combo->entry ), FALSE );

 
 

-    gtk_signal_connect( GTK_OBJECT(GTK_COMBO(m_widget)->entry), "changed",
-      GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
+    gtk_signal_connect( GTK_OBJECT(combo->entry), "changed",
+      GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this );
+
+    gtk_signal_connect( GTK_OBJECT(combo->list), "select-child",
+      GTK_SIGNAL_FUNC(gtk_combo_select_child_callback), (gpointer)this );

 
     wxSize size_best( DoGetBestSize() );
     wxSize new_size( size );
 
     wxSize size_best( DoGetBestSize() );
     wxSize new_size( size );


@@ -185,7 +187,6 @@ bool wxComboBox::Create( wxWindow *parent, wxWindowID id, const wxString& value,
         gtk_widget_set_usize( m_widget, new_size.x, new_size.y );
     }
 
         gtk_widget_set_usize( m_widget, new_size.x, new_size.y );
     }
 

-

     SetBackgroundColour( wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOW ) );
     SetForegroundColour( parent->GetForegroundColour() );
 
     SetBackgroundColour( wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOW ) );
     SetForegroundColour( parent->GetForegroundColour() );
 


@@ -196,31 +197,41 @@ bool wxComboBox::Create( wxWindow *parent, wxWindowID id, const wxString& value,
 
 wxComboBox::~wxComboBox()
 {
 
 wxComboBox::~wxComboBox()
 {

-    wxNode *node = m_clientObjectList.First();
+    wxNode *node = m_clientObjectList.GetFirst();

     while (node)
     {
     while (node)
     {

-        wxClientData *cd = (wxClientData*)node->Data();
+        wxClientData *cd = (wxClientData*)node->GetData();

         if (cd) delete cd;
         if (cd) delete cd;

-        node = node->Next();
+        node = node->GetNext();

     }
     m_clientObjectList.Clear();
 
     m_clientDataList.Clear();
 }
 
     }
     m_clientObjectList.Clear();
 
     m_clientDataList.Clear();
 }
 

+void wxComboBox::SetFocus()
+{
+    if ( m_hasFocus )
+    {
+        // don't do anything if we already have focus
+        return;
+    }
+
+    gtk_widget_grab_focus( m_focusWidget );
+}
+

 void wxComboBox::AppendCommon( const wxString &item )
 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
 
 void wxComboBox::AppendCommon( const wxString &item )
 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
 

+    DisableEvents();
+    

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

-    GtkWidget *list_item = gtk_list_item_new_with_label( item.mbc_str() );
+    GtkWidget *list_item = gtk_list_item_new_with_label( wxGTK_CONV( item ) );

 
     gtk_container_add( GTK_CONTAINER(list), list_item );
 
 
     gtk_container_add( GTK_CONTAINER(list), list_item );
 

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

     if (GTK_WIDGET_REALIZED(m_widget))
     {
         gtk_widget_realize( list_item );
     if (GTK_WIDGET_REALIZED(m_widget))
     {
         gtk_widget_realize( list_item );


@@ -230,6 +241,8 @@ void wxComboBox::AppendCommon( const wxString &item )
     }
 
     gtk_widget_show( list_item );
     }
 
     gtk_widget_show( list_item );

+    
+    EnableEvents();

 }
 
 void wxComboBox::Append( const wxString &item )
 }
 
 void wxComboBox::Append( const wxString &item )


@@ -260,7 +273,7 @@ void wxComboBox::SetClientData( int n, void* clientData )
 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
 
 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
 

-    wxNode *node = m_clientDataList.Nth( n );
+    wxNode *node = m_clientDataList.Item( n );

     if (!node) return;
 
     node->SetData( (wxObject*) clientData );
     if (!node) return;
 
     node->SetData( (wxObject*) clientData );


@@ -270,20 +283,20 @@ void* wxComboBox::GetClientData( int n )
 {
     wxCHECK_MSG( m_widget != NULL, NULL, wxT("invalid combobox") );
 
 {
     wxCHECK_MSG( m_widget != NULL, NULL, wxT("invalid combobox") );
 

-    wxNode *node = m_clientDataList.Nth( n );
+    wxNode *node = m_clientDataList.Item( n );

     if (!node) return NULL;
 
     if (!node) return NULL;
 

-    return node->Data();
+    return node->GetData();

 }
 
 void wxComboBox::SetClientObject( int n, wxClientData* clientData )
 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
 
 }
 
 void wxComboBox::SetClientObject( int n, wxClientData* clientData )
 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
 

-    wxNode *node = m_clientObjectList.Nth( n );
+    wxNode *node = m_clientObjectList.Item( n );

     if (!node) return;
 
     if (!node) return;
 

-    wxClientData *cd = (wxClientData*) node->Data();
+    wxClientData *cd = (wxClientData*) node->GetData();

     if (cd) delete cd;
 
     node->SetData( (wxObject*) clientData );
     if (cd) delete cd;
 
     node->SetData( (wxObject*) clientData );


@@ -293,29 +306,33 @@ wxClientData* wxComboBox::GetClientObject( int n )
 {
     wxCHECK_MSG( m_widget != NULL, (wxClientData*)NULL, wxT("invalid combobox") );
 
 {
     wxCHECK_MSG( m_widget != NULL, (wxClientData*)NULL, wxT("invalid combobox") );
 

-    wxNode *node = m_clientObjectList.Nth( n );
+    wxNode *node = m_clientObjectList.Item( n );

     if (!node) return (wxClientData*) NULL;
 
     if (!node) return (wxClientData*) NULL;
 

-    return (wxClientData*) node->Data();
+    return (wxClientData*) node->GetData();

 }
 
 void wxComboBox::Clear()
 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
 
 }
 
 void wxComboBox::Clear()
 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
 

+    DisableEvents();
+    

     GtkWidget *list = GTK_COMBO(m_widget)->list;
     gtk_list_clear_items( GTK_LIST(list), 0, Number() );
 
     GtkWidget *list = GTK_COMBO(m_widget)->list;
     gtk_list_clear_items( GTK_LIST(list), 0, Number() );
 

-    wxNode *node = m_clientObjectList.First();
+    wxNode *node = m_clientObjectList.GetFirst();

     while (node)
     {
     while (node)
     {

-        wxClientData *cd = (wxClientData*)node->Data();
+        wxClientData *cd = (wxClientData*)node->GetData();

         if (cd) delete cd;
         if (cd) delete cd;

-        node = node->Next();
+        node = node->GetNext();

     }
     m_clientObjectList.Clear();
 
     m_clientDataList.Clear();
     }
     m_clientObjectList.Clear();
 
     m_clientDataList.Clear();

+    
+    EnableEvents();

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


@@ -332,22 +349,43 @@ void wxComboBox::Delete( int n )
         return;
     }
 
         return;
     }
 

+    DisableEvents();
+    

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

-    wxNode *node = m_clientObjectList.Nth( n );
+    wxNode *node = m_clientObjectList.Item( n );

     if (node)
     {
     if (node)
     {

-        wxClientData *cd = (wxClientData*)node->Data();
+        wxClientData *cd = (wxClientData*)node->GetData();

         if (cd) delete cd;
         m_clientObjectList.DeleteNode( node );
     }
 
         if (cd) delete cd;
         m_clientObjectList.DeleteNode( node );
     }
 

-    node = m_clientDataList.Nth( n );
+    node = m_clientDataList.Item( n );

     if (node)
     if (node)

-    {

         m_clientDataList.DeleteNode( node );
         m_clientDataList.DeleteNode( node );

+    
+    EnableEvents();
+}
+
+void wxComboBox::SetString(int n, const wxString &text)
+{
+    wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
+
+    GtkWidget *list = GTK_COMBO(m_widget)->list;
+
+    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
+    {
+        wxFAIL_MSG( wxT("wxComboBox: wrong index") );

     }
 }
 
     }
 }
 


@@ -363,8 +401,14 @@ int wxComboBox::FindString( const wxString &item )
     {
         GtkBin *bin = GTK_BIN( child->data );
         GtkLabel *label = GTK_LABEL( bin->child );
     {
         GtkBin *bin = GTK_BIN( child->data );
         GtkLabel *label = GTK_LABEL( bin->child );

-        if (item == wxString(label->label,*wxConvCurrent))
+#ifdef __WXGTK20__
+        wxString str( wxGTK_CONV_BACK( gtk_label_get_text(label) ) );
+#else
+        wxString str( label->label );
+#endif
+        if (item == str)

             return count;
             return count;

+            

         count++;
         child = child->next;
     }
         count++;
         child = child->next;
     }


@@ -406,7 +450,11 @@ wxString wxComboBox::GetString( int n ) const
     {
         GtkBin *bin = GTK_BIN( child->data );
         GtkLabel *label = GTK_LABEL( bin->child );
     {
         GtkBin *bin = GTK_BIN( child->data );
         GtkLabel *label = GTK_LABEL( bin->child );

-        str = wxString(label->label,*wxConvCurrent);
+#ifdef __WXGTK20__
+        str = wxGTK_CONV_BACK( gtk_label_get_text(label) );
+#else
+        str = wxString( label->label );
+#endif

     }
     else
     {
     }
     else
     {


@@ -426,7 +474,12 @@ wxString wxComboBox::GetStringSelection() const
     if (selection)
     {
         GtkBin *bin = GTK_BIN( selection->data );
     if (selection)
     {
         GtkBin *bin = GTK_BIN( selection->data );

-        wxString tmp = wxString(GTK_LABEL( bin->child )->label,*wxConvCurrent);
+        GtkLabel *label = GTK_LABEL( bin->child );
+#ifdef __WXGTK20__
+        wxString tmp( wxGTK_CONV_BACK( gtk_label_get_text(label) ) );
+#else
+        wxString tmp( label->label );
+#endif

         return tmp;
     }
 
         return tmp;
     }
 


@@ -472,8 +525,18 @@ void wxComboBox::SetStringSelection( const wxString &string )
 
 wxString wxComboBox::GetValue() const
 {
 
 wxString wxComboBox::GetValue() const
 {

-    GtkWidget *entry = GTK_COMBO(m_widget)->entry;
-    wxString tmp = wxString(gtk_entry_get_text( GTK_ENTRY(entry) ),*wxConvCurrent);
+    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;
 }
 
     return tmp;
 }
 


@@ -484,7 +547,7 @@ void wxComboBox::SetValue( const wxString& value )
     GtkWidget *entry = GTK_COMBO(m_widget)->entry;
     wxString tmp = wxT("");
     if (!value.IsNull()) tmp = value;
     GtkWidget *entry = GTK_COMBO(m_widget)->entry;
     wxString tmp = wxT("");
     if (!value.IsNull()) tmp = value;

-    gtk_entry_set_text( GTK_ENTRY(entry), tmp.mbc_str() );
+    gtk_entry_set_text( GTK_ENTRY(entry), wxGTK_CONV( tmp ) );

 }
 
 void wxComboBox::Copy()
 }
 
 void wxComboBox::Copy()


@@ -492,11 +555,7 @@ void wxComboBox::Copy()
     wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
 
     GtkWidget *entry = GTK_COMBO(m_widget)->entry;
     wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
 
     GtkWidget *entry = GTK_COMBO(m_widget)->entry;

-#if defined(__WXGTK13__) || (GTK_MINOR_VERSION > 0)
-    gtk_editable_copy_clipboard( GTK_EDITABLE(entry) );
-#else
-    gtk_editable_copy_clipboard( GTK_EDITABLE(entry), 0 );
-#endif
+    gtk_editable_copy_clipboard( GTK_EDITABLE(entry) DUMMY_CLIPBOARD_ARG );

 }
 
 void wxComboBox::Cut()
 }
 
 void wxComboBox::Cut()


@@ -504,11 +563,7 @@ void wxComboBox::Cut()
     wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
 
     GtkWidget *entry = GTK_COMBO(m_widget)->entry;
     wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
 
     GtkWidget *entry = GTK_COMBO(m_widget)->entry;

-#if defined(__WXGTK13__) || (GTK_MINOR_VERSION > 0)
-    gtk_editable_cut_clipboard( GTK_EDITABLE(entry) );
-#else
-    gtk_editable_cut_clipboard( GTK_EDITABLE(entry), 0 );
-#endif
+    gtk_editable_cut_clipboard( GTK_EDITABLE(entry) DUMMY_CLIPBOARD_ARG );

 }
 
 void wxComboBox::Paste()
 }
 
 void wxComboBox::Paste()


@@ -516,11 +571,7 @@ void wxComboBox::Paste()
     wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
 
     GtkWidget *entry = GTK_COMBO(m_widget)->entry;
     wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
 
     GtkWidget *entry = GTK_COMBO(m_widget)->entry;

-#if defined(__WXGTK13__) || (GTK_MINOR_VERSION > 0)
-    gtk_editable_paste_clipboard( GTK_EDITABLE(entry) );
-#else
-    gtk_editable_paste_clipboard( GTK_EDITABLE(entry), 0 );
-#endif
+    gtk_editable_paste_clipboard( GTK_EDITABLE(entry) DUMMY_CLIPBOARD_ARG);

 }
 
 void wxComboBox::SetInsertionPoint( long pos )
 }
 
 void wxComboBox::SetInsertionPoint( long pos )


@@ -540,8 +591,7 @@ void wxComboBox::SetInsertionPointEnd()
 
 long wxComboBox::GetInsertionPoint() const
 {
 
 long wxComboBox::GetInsertionPoint() const
 {

-    GtkWidget *entry = GTK_COMBO(m_widget)->entry;
-    return (long) GTK_EDITABLE(entry)->current_pos;
+    return (long) GET_EDITABLE_POS( GTK_COMBO(m_widget)->entry );

 }
 
 long wxComboBox::GetLastPosition() const
 }
 
 long wxComboBox::GetLastPosition() const


@@ -554,13 +604,18 @@ long wxComboBox::GetLastPosition() const
 void wxComboBox::Replace( long from, long to, const wxString& value )
 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
 void wxComboBox::Replace( long from, long to, const wxString& value )
 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );

-    // FIXME: not quite sure how to do this method right in multibyte mode

 
     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;
 
     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;

-    gtk_editable_insert_text( GTK_EDITABLE(entry), value.mbc_str(), value.Length(), &pos );
+    
+#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::Remove(long from, long to)
 }
 
 void wxComboBox::Remove(long from, long to)


@@ -585,86 +640,37 @@ void wxComboBox::SetEditable( bool editable )
 
 void wxComboBox::OnChar( wxKeyEvent &event )
 {
 
 void wxComboBox::OnChar( wxKeyEvent &event )
 {

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

     {
     {

-        wxString value = GetValue();
-
-        if ( Number() == 0 )
-        {
-            // make Enter generate "selected" event if there is only one item
-            // in the combobox - without it, it's impossible to select it at
-            // all!
-            wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, GetId() );
-            event.SetInt( 0 );
-            event.SetString( value );
-            event.SetEventObject( this );
-            GetEventHandler()->ProcessEvent( event );
-        }
-        else
-        {
-            // add the item to the list if it's not there yet
-            if ( FindString(value) == wxNOT_FOUND )
-            {
-                Append(value);
-                SetStringSelection(value);
-
-                // and generate the selected event for it
-                wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, GetId() );
-                event.SetInt( Number() - 1 );
-                event.SetString( value );
-                event.SetEventObject( this );
-                GetEventHandler()->ProcessEvent( event );
-            }
-            else
-            {
-                // 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();
-        
-                if (top_frame && GTK_IS_WINDOW(top_frame->m_widget))
-                {
-                    GtkWindow *window = GTK_WINDOW(top_frame->m_widget);
-
-                    if (window->default_widget)
-                    {
-                        gtk_widget_activate (window->default_widget);
-                        return;
-                    }
-                }
-            }
-        }
+        // GTK automatically selects an item if its in the list
+        wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, GetId());
+        event.SetString( GetValue() );
+        event.SetInt( GetSelection() );
+        event.SetEventObject( this );
+        GetEventHandler()->ProcessEvent( event );
+            
+        // Catch GTK event so that GTK doesn't open the drop
+        // down list upon RETURN.
+        return;

     }
     }

-
+    

     event.Skip();
 }
 
 void wxComboBox::DisableEvents()
 {
     event.Skip();
 }
 
 void wxComboBox::DisableEvents()
 {

-    GtkList *list = GTK_LIST( GTK_COMBO(m_widget)->list );
-    GList *child = list->children;
-    while (child)
-    {
-        gtk_signal_disconnect_by_func( GTK_OBJECT(child->data),
-          GTK_SIGNAL_FUNC(gtk_combo_clicked_callback), (gpointer)this );
-
-        child = child->next;
-    }
+    gtk_signal_disconnect_by_func( GTK_OBJECT(GTK_COMBO(m_widget)->list),
+      GTK_SIGNAL_FUNC(gtk_combo_select_child_callback), (gpointer)this );
+    gtk_signal_disconnect_by_func( GTK_OBJECT(GTK_COMBO(m_widget)->entry),
+      GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this );

 }
 
 void wxComboBox::EnableEvents()
 {
 }
 
 void wxComboBox::EnableEvents()
 {

-    GtkList *list = GTK_LIST( GTK_COMBO(m_widget)->list );
-    GList *child = list->children;
-    while (child)
-    {
-        gtk_signal_connect( GTK_OBJECT(child->data), "select",
-          GTK_SIGNAL_FUNC(gtk_combo_clicked_callback), (gpointer)this );
-
-        child = child->next;
-    }
+    gtk_signal_connect( GTK_OBJECT(GTK_COMBO(m_widget)->list), "select-child",
+      GTK_SIGNAL_FUNC(gtk_combo_select_child_callback), (gpointer)this );
+    gtk_signal_connect( GTK_OBJECT(GTK_COMBO(m_widget)->entry), "changed",
+      GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this );

 }
 
 void wxComboBox::OnSize( wxSizeEvent &event )
 }
 
 void wxComboBox::OnSize( wxSizeEvent &event )


@@ -721,13 +727,11 @@ wxSize wxComboBox::DoGetBestSize() const
     ret.x = 0;
     if ( m_widget )
     {
     ret.x = 0;
     if ( m_widget )
     {

-        GdkFont *font = m_font.GetInternalFont();
-
-        wxCoord width;
-        size_t count = Number();
+        int width;
+        size_t count = GetCount();

         for ( size_t n = 0; n < count; n++ )
         {
         for ( size_t n = 0; n < count; n++ )
         {

-            width = (wxCoord)gdk_string_width(font, GetString(n).mbc_str());
+            GetTextExtent( GetString(n), &width, NULL, NULL, NULL, &m_font );

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