X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a260fe6a435f318c386b2da660fd30a7a2b02ce5..a2e268df1930c645479f782ad068ecc3686cc62d:/src/gtk/combobox.cpp

diff --git a/src/gtk/combobox.cpp b/src/gtk/combobox.cpp
index efbb27e187..0fb03dc36a 100644
--- a/src/gtk/combobox.cpp
+++ b/src/gtk/combobox.cpp
@@ -7,16 +7,30 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma implementation "combobox.h"
 #endif
 
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
 #include "wx/combobox.h"
 
-#include <wx/intl.h>
+#if wxUSE_COMBOBOX
+
+#include "wx/settings.h"
+#include "wx/intl.h"
+
+#include "wx/textctrl.h"    // for wxEVT_COMMAND_TEXT_UPDATED
+
+#include "wx/gtk/private.h"
+
+//-----------------------------------------------------------------------------
+// idle system
+//-----------------------------------------------------------------------------
 
-#include "gdk/gdk.h"
-#include "gtk/gtk.h"
+extern void wxapp_install_idle_handler();
+extern bool g_isIdle;
 
 //-----------------------------------------------------------------------------
 // data
@@ -25,46 +39,58 @@
 extern bool   g_blockEventsOnDrag;
 
 //-----------------------------------------------------------------------------
-// "select"
+// "select-child" - click/cursor get select-child, changed, select-child
 //-----------------------------------------------------------------------------
 
 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 (!combo->HasVMT())
-        return;
+    if (g_isIdle) wxapp_install_idle_handler();
 
-    if (g_blockEventsOnDrag)
-        return;
+    if (!combo->m_hasVMT) return;
+
+    if (g_blockEventsOnDrag) return;
 
-    if (combo->m_alreadySent)
+    int curSelection = combo->GetSelection();
+
+    if (combo->m_prevSelection != curSelection)
     {
-        combo->m_alreadySent = FALSE;
-        return;
+        GtkWidget *list = GTK_COMBO(combo->m_widget)->list;
+        gtk_list_unselect_item( GTK_LIST(list), combo->m_prevSelection );
     }
-
-    combo->m_alreadySent = TRUE;
+    combo->m_prevSelection = curSelection;
 
     wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, combo->GetId() );
-    event.SetInt( combo->GetSelection() );
+    event.SetInt( curSelection );
     event.SetString( combo->GetStringSelection() );
     event.SetEventObject( combo );
+
     combo->GetEventHandler()->ProcessEvent( event );
 }
 
 //-----------------------------------------------------------------------------
-//  "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
 gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo )
 {
+    if (g_isIdle) wxapp_install_idle_handler();
+
+    if (!combo->m_hasVMT) return;
+
     wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, combo->GetId() );
     event.SetString( combo->GetValue() );
     event.SetEventObject( combo );
     combo->GetEventHandler()->ProcessEvent( event );
 }
 
+static void
+gtk_dummy_callback(GtkEntry *WXUNUSED(entry), GtkCombo *WXUNUSED(combo))
+{
+}
+
 //-----------------------------------------------------------------------------
 // wxComboBox
 //-----------------------------------------------------------------------------
@@ -85,66 +111,87 @@ bool wxComboBox::Create( wxWindow *parent, wxWindowID id, const wxString& value,
     m_alreadySent = FALSE;
     m_needParent = TRUE;
     m_acceptsFocus = TRUE;
+    m_prevSelection = 0;
 
-    PreCreation( parent, id, pos, size, style, name );
-
-    SetValidator( validator );
+    if (!PreCreation( parent, pos, size ) ||
+        !CreateBase( parent, id, pos, size, style, validator, name ))
+    {
+        wxFAIL_MSG( wxT("wxComboBox creation failed") );
+        return FALSE;
+    }
 
     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);
+    gtk_combo_set_use_arrows_always( GTK_COMBO(m_widget), TRUE );
 
-    wxSize newSize = size;
-    if (newSize.x == -1)
-        newSize.x = 100;
-    if (newSize.y == -1)
-        newSize.y = 26;
-    SetSize( newSize.x, newSize.y );
+    // and case-sensitive
+    gtk_combo_set_case_sensitive( GTK_COMBO(m_widget), TRUE );
 
     GtkWidget *list = GTK_COMBO(m_widget)->list;
 
+#ifndef __WXGTK20__
+    // gtk_list_set_selection_mode( GTK_LIST(list), GTK_SELECTION_MULTIPLE );
+#endif
+
     for (int i = 0; i < n; i++)
     {
-        GtkWidget *list_item = gtk_list_item_new_with_label( choices[i] );
+        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 );
 
-        gtk_widget_realize( list_item );
-        gtk_widget_realize( GTK_BIN(list_item)->child );
-
         gtk_widget_show( list_item );
-
-        gtk_signal_connect( GTK_OBJECT(list_item), "select",
-        GTK_SIGNAL_FUNC(gtk_combo_clicked_callback), (gpointer)this );
     }
 
-    m_parent->AddChild( this );
+    m_parent->DoAddChild( this );
 
-    (m_parent->m_insertCallback)( m_parent, this );
+    m_focusWidget = combo->entry;
 
     PostCreation();
 
-    ConnectWidget( GTK_COMBO(m_widget)->button );
-
-    if (!value.IsNull()) SetValue( value );
+    ConnectWidget( combo->button );
 
-    gtk_widget_realize( GTK_COMBO(m_widget)->list );
-    gtk_widget_realize( GTK_COMBO(m_widget)->entry );
-    gtk_widget_realize( GTK_COMBO(m_widget)->button );
+    // 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)
-        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(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 );
+    if (new_size.x == -1)
+        new_size.x = size_best.x;
+    if (new_size.y == -1)
+        new_size.y = size_best.y;
+    if (new_size.y > size_best.y)
+        new_size.y = size_best.y;
+    if ((new_size.x != size.x) || (new_size.y != size.y))
+    {
+        SetSize( new_size.x, new_size.y );
 
-    gtk_signal_connect( GTK_OBJECT(GTK_COMBO(m_widget)->entry), "changed",
-      GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
+        // This is required for tool bar support
+        gtk_widget_set_usize( m_widget, new_size.x, new_size.y );
+    }
 
-    SetBackgroundColour( parent->GetBackgroundColour() );
+    SetBackgroundColour( wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOW ) );
     SetForegroundColour( parent->GetForegroundColour() );
-    SetFont( parent->GetFont() );
 
     Show( TRUE );
 
@@ -153,123 +200,176 @@ bool wxComboBox::Create( wxWindow *parent, wxWindowID id, const wxString& value,
 
 wxComboBox::~wxComboBox()
 {
-    wxNode *node = m_clientDataList.First();
+    wxList::compatibility_iterator node = m_clientObjectList.GetFirst();
     while (node)
     {
-        wxClientData *cd = (wxClientData*)node->Data();
+        wxClientData *cd = (wxClientData*)node->GetData();
         if (cd) delete cd;
-        node = node->Next();
+        node = node->GetNext();
     }
+    m_clientObjectList.Clear();
+
     m_clientDataList.Clear();
 }
 
-void wxComboBox::AppendCommon( const wxString &item )
+void wxComboBox::SetFocus()
+{
+    if ( m_hasFocus )
+    {
+        // don't do anything if we already have focus
+        return;
+    }
+
+    gtk_widget_grab_focus( m_focusWidget );
+}
+
+int wxComboBox::DoAppend( const wxString &item )
 {
-    wxCHECK_RET( m_widget != NULL, "invalid combobox" );
+    wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid combobox") );
 
-    GtkWidget *list = GTK_COMBO(m_widget)->list;
+    DisableEvents();
 
-    GtkWidget *list_item = gtk_list_item_new_with_label( item );
+    GtkWidget *list = GTK_COMBO(m_widget)->list;
 
-    gtk_signal_connect( GTK_OBJECT(list_item), "select",
-      GTK_SIGNAL_FUNC(gtk_combo_clicked_callback), (gpointer)this );
+    GtkWidget *list_item = gtk_list_item_new_with_label( wxGTK_CONV( item ) );
 
     gtk_container_add( GTK_CONTAINER(list), list_item );
 
-    if (m_widgetStyle) ApplyWidgetStyle();
+    if (GTK_WIDGET_REALIZED(m_widget))
+    {
+        gtk_widget_realize( list_item );
+        gtk_widget_realize( GTK_BIN(list_item)->child );
+
+        if (m_widgetStyle) ApplyWidgetStyle();
+    }
 
     gtk_widget_show( list_item );
-}
 
-void wxComboBox::Append( const wxString &item )
-{
+    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 );
 
-    AppendCommon( item );
+    EnableEvents();
+
+    return count - 1;
 }
 
-void wxComboBox::Append( const wxString &item, void *clientData )
+int wxComboBox::DoInsert( const wxString &item, int pos )
 {
-    m_clientDataList.Append( (wxObject*) clientData );
-    m_clientObjectList.Append( (wxObject*)NULL );
+    wxCHECK_MSG( !(GetWindowStyle() & wxCB_SORT), -1,
+                    wxT("can't insert into sorted list"));
 
-    AppendCommon( item );
-}
+    wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid combobox") );
 
-void wxComboBox::Append( const wxString &item, wxClientData *clientData )
-{
-    m_clientDataList.Append( (wxObject*) NULL );
-    m_clientObjectList.Append( (wxObject*) clientData );
+    int count = GetCount();
+    wxCHECK_MSG( (pos >= 0) && (pos <= count), -1, wxT("invalid index") );
 
-    AppendCommon( item );
+    if (pos == count)
+        return Append(item);
+
+    DisableEvents();
+
+    GtkWidget *list = GTK_COMBO(m_widget)->list;
+
+    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))
+    {
+        gtk_widget_realize( list_item );
+        gtk_widget_realize( GTK_BIN(list_item)->child );
+
+        if (m_widgetStyle)
+            ApplyWidgetStyle();
+    }
+
+    gtk_widget_show( list_item );
+
+    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();
+
+    return pos;
 }
 
-void wxComboBox::SetClientData( int n, void* clientData )
+void wxComboBox::DoSetItemClientData( int n, void* clientData )
 {
-    wxCHECK_RET( m_widget != NULL, "invalid combobox" );
+    wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
 
-    wxNode *node = m_clientDataList.Nth( n );
+    wxList::compatibility_iterator node = m_clientDataList.Item( n );
     if (!node) return;
 
     node->SetData( (wxObject*) clientData );
 }
 
-void* wxComboBox::GetClientData( int n )
+void* wxComboBox::DoGetItemClientData( int n ) const
 {
-    wxCHECK_MSG( m_widget != NULL, NULL, "invalid combobox" );
+    wxCHECK_MSG( m_widget != NULL, NULL, wxT("invalid combobox") );
 
-    wxNode *node = m_clientDataList.Nth( n );
-    if (!node) return NULL;
+    wxList::compatibility_iterator node = m_clientDataList.Item( n );
 
-    return node->Data();
+    return node ? node->GetData() : NULL;
 }
 
-void wxComboBox::SetClientObject( int n, wxClientData* clientData )
+void wxComboBox::DoSetItemClientObject( int n, wxClientData* clientData )
 {
-    wxCHECK_RET( m_widget != NULL, "invalid combobox" );
+    wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
 
-    wxNode *node = m_clientObjectList.Nth( n );
+    wxList::compatibility_iterator node = m_clientObjectList.Item( n );
     if (!node) return;
 
-    wxClientData *cd = (wxClientData*) node->Data();
+    wxClientData *cd = (wxClientData*) node->GetData();
     if (cd) delete cd;
 
     node->SetData( (wxObject*) clientData );
 }
 
-wxClientData* wxComboBox::GetClientObject( int n )
+wxClientData* wxComboBox::DoGetItemClientObject( int n ) const
 {
-    wxCHECK_MSG( m_widget != NULL, (wxClientData*)NULL, "invalid combobox" );
+    wxCHECK_MSG( m_widget != NULL, (wxClientData*)NULL, wxT("invalid combobox") );
 
-    wxNode *node = m_clientDataList.Nth( n );
-    if (!node) return (wxClientData*) NULL;
+    wxList::compatibility_iterator node = m_clientObjectList.Item( n );
 
-    return (wxClientData*) node->Data();
+    return node ? (wxClientData*) node->GetData() : NULL;
 }
 
 void wxComboBox::Clear()
 {
-    wxCHECK_RET( m_widget != NULL, "invalid combobox" );
+    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() );
+    gtk_list_clear_items( GTK_LIST(list), 0, GetCount() );
 
-    wxNode *node = m_clientObjectList.First();
+    wxList::compatibility_iterator node = m_clientObjectList.GetFirst();
     while (node)
     {
-        wxClientData *cd = (wxClientData*)node->Data();
+        wxClientData *cd = (wxClientData*)node->GetData();
         if (cd) delete cd;
-        node = node->Next();
+        node = node->GetNext();
     }
     m_clientObjectList.Clear();
 
     m_clientDataList.Clear();
+
+    EnableEvents();
 }
 
 void wxComboBox::Delete( int n )
 {
-    wxCHECK_RET( m_widget != NULL, "invalid combobox" );
+    wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
 
     GtkList *listbox = GTK_LIST( GTK_COMBO(m_widget)->list );
 
@@ -277,32 +377,53 @@ void wxComboBox::Delete( int n )
 
     if (!child)
     {
-        wxFAIL_MSG("wrong index");
+        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 );
 
-    wxNode *node = m_clientObjectList.Nth( n );
+    wxList::compatibility_iterator node = m_clientObjectList.Item( n );
     if (node)
     {
-        wxClientData *cd = (wxClientData*)node->Data();
+        wxClientData *cd = (wxClientData*)node->GetData();
         if (cd) delete cd;
-        m_clientObjectList.DeleteNode( node );
+        m_clientObjectList.Erase( node );
     }
 
-    node = m_clientDataList.Nth( n );
+    node = m_clientDataList.Item( n );
     if (node)
+        m_clientDataList.Erase( 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)
     {
-        m_clientDataList.DeleteNode( node );
+        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") );
     }
 }
 
-int wxComboBox::FindString( const wxString &item )
+int wxComboBox::FindString( const wxString &item ) const
 {
-    wxCHECK_MSG( m_widget != NULL, -1, "invalid combobox" );
+    wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid combobox") );
 
     GtkWidget *list = GTK_COMBO(m_widget)->list;
 
@@ -312,8 +433,14 @@ int wxComboBox::FindString( const wxString &item )
     {
         GtkBin *bin = GTK_BIN( child->data );
         GtkLabel *label = GTK_LABEL( bin->child );
-        if (item == label->label)
+#ifdef __WXGTK20__
+        wxString str( wxGTK_CONV_BACK( gtk_label_get_text(label) ) );
+#else
+        wxString str( label->label );
+#endif
+        if (item == str)
             return count;
+
         count++;
         child = child->next;
     }
@@ -323,7 +450,7 @@ int wxComboBox::FindString( const wxString &item )
 
 int wxComboBox::GetSelection() const
 {
-    wxCHECK_MSG( m_widget != NULL, -1, "invalid combobox" );
+    wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid combobox") );
 
     GtkWidget *list = GTK_COMBO(m_widget)->list;
 
@@ -340,14 +467,12 @@ int wxComboBox::GetSelection() const
         }
     }
 
-    wxFAIL_MSG( "wxComboBox: no selection" );
-
     return -1;
 }
 
 wxString wxComboBox::GetString( int n ) const
 {
-    wxCHECK_MSG( m_widget != NULL, "", "invalid combobox" );
+    wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid combobox") );
 
     GtkWidget *list = GTK_COMBO(m_widget)->list;
 
@@ -357,11 +482,15 @@ wxString wxComboBox::GetString( int n ) const
     {
         GtkBin *bin = GTK_BIN( child->data );
         GtkLabel *label = GTK_LABEL( bin->child );
-        str = label->label;
+#ifdef __WXGTK20__
+        str = wxGTK_CONV_BACK( gtk_label_get_text(label) );
+#else
+        str = wxString( label->label );
+#endif
     }
     else
     {
-        wxFAIL_MSG( "wxComboBox: wrong index" );
+        wxFAIL_MSG( wxT("wxComboBox: wrong index") );
     }
 
     return str;
@@ -369,7 +498,7 @@ wxString wxComboBox::GetString( int n ) const
 
 wxString wxComboBox::GetStringSelection() const
 {
-    wxCHECK_MSG( m_widget != NULL, "", "invalid combobox" );
+    wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid combobox") );
 
     GtkWidget *list = GTK_COMBO(m_widget)->list;
 
@@ -377,18 +506,23 @@ wxString wxComboBox::GetStringSelection() const
     if (selection)
     {
         GtkBin *bin = GTK_BIN( selection->data );
-        wxString tmp = GTK_LABEL( bin->child )->label;
+        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;
     }
 
-    wxFAIL_MSG( "wxComboBox: no selection" );
+    wxFAIL_MSG( wxT("wxComboBox: no selection") );
 
-    return "";
+    return wxT("");
 }
 
-int wxComboBox::Number() const
+int wxComboBox::GetCount() const
 {
-    wxCHECK_MSG( m_widget != NULL, 0, "invalid combobox" );
+    wxCHECK_MSG( m_widget != NULL, 0, wxT("invalid combobox") );
 
     GtkWidget *list = GTK_COMBO(m_widget)->list;
 
@@ -400,15 +534,21 @@ int wxComboBox::Number() const
 
 void wxComboBox::SetSelection( int n )
 {
-    wxCHECK_RET( m_widget != NULL, "invalid combobox" );
+    wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
+
+    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;
+
+    EnableEvents();
 }
 
 void wxComboBox::SetStringSelection( const wxString &string )
 {
-    wxCHECK_RET( m_widget != NULL, "invalid combobox" );
+    wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
 
     int res = FindString( string );
     if (res == -1) return;
@@ -417,76 +557,69 @@ void wxComboBox::SetStringSelection( const wxString &string )
 
 wxString wxComboBox::GetValue() const
 {
-    GtkWidget *entry = GTK_COMBO(m_widget)->entry;
-    wxString tmp = gtk_entry_get_text( GTK_ENTRY(entry) );
+    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, "invalid combobox" );
+    wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
 
     GtkWidget *entry = GTK_COMBO(m_widget)->entry;
-    wxString tmp = "";
+    wxString tmp = wxT("");
     if (!value.IsNull()) tmp = value;
-    gtk_entry_set_text( GTK_ENTRY(entry), tmp );
+    gtk_entry_set_text( GTK_ENTRY(entry), wxGTK_CONV( tmp ) );
 }
 
 void wxComboBox::Copy()
 {
-    wxCHECK_RET( m_widget != NULL, "invalid combobox" );
+    wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
 
     GtkWidget *entry = GTK_COMBO(m_widget)->entry;
-#if (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()
 {
-    wxCHECK_RET( m_widget != NULL, "invalid combobox" );
+    wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
 
     GtkWidget *entry = GTK_COMBO(m_widget)->entry;
-#if (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()
 {
-    wxCHECK_RET( m_widget != NULL, "invalid combobox" );
+    wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
 
     GtkWidget *entry = GTK_COMBO(m_widget)->entry;
-#if (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 )
 {
-    wxCHECK_RET( m_widget != NULL, "invalid combobox" );
+    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 );
 }
 
-void wxComboBox::SetInsertionPointEnd()
-{
-    wxCHECK_RET( m_widget != NULL, "invalid combobox" );
-
-    SetInsertionPoint( -1 );
-}
-
 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
@@ -498,21 +631,19 @@ long wxComboBox::GetLastPosition() const
 
 void wxComboBox::Replace( long from, long to, const wxString& value )
 {
-    wxCHECK_RET( m_widget != NULL, "invalid combobox" );
+    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;
-    gtk_editable_insert_text( GTK_EDITABLE(entry), value, value.Length(), &pos );
-}
-
-void wxComboBox::Remove(long from, long to)
-{
-    wxCHECK_RET( m_widget != NULL, "invalid combobox" );
 
-    GtkWidget *entry = GTK_COMBO(m_widget)->entry;
-    gtk_editable_delete_text( GTK_EDITABLE(entry), (gint)from, (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 )
@@ -529,58 +660,74 @@ void wxComboBox::SetEditable( bool editable )
 
 void wxComboBox::OnChar( wxKeyEvent &event )
 {
-    if ( event.KeyCode() == WXK_RETURN )
+    if ( event.GetKeyCode() == WXK_RETURN )
     {
-        wxString value = GetValue();
+        // 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 );
 
-        if ( Number() == 0 )
+        if (!GetEventHandler()->ProcessEvent( event ))
         {
-            // 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 )
+            // 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))
             {
-                Append(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 );
+                GtkWindow *window = GTK_WINDOW(top_frame->m_widget);
+
+                if (window->default_widget)
+                    gtk_widget_activate (window->default_widget);
             }
-            //else: do nothing, this will open the listbox
         }
+
+        // Catch GTK event so that GTK doesn't open the drop
+        // down list upon RETURN.
+        return;
     }
 
     event.Skip();
 }
 
+void wxComboBox::DisableEvents()
+{
+    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()
+{
+    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 )
 {
-    wxControl::OnSize( event );
+    event.Skip();
 
+#if 0
     int w = 21;
     gtk_widget_set_usize( GTK_COMBO(m_widget)->entry, m_width-w-1, m_height );
 
     gtk_widget_set_uposition( GTK_COMBO(m_widget)->button, m_x+m_width-w, m_y );
     gtk_widget_set_usize( GTK_COMBO(m_widget)->button, w, m_height );
+#endif // 0
 }
 
 void wxComboBox::ApplyWidgetStyle()
 {
     SetWidgetStyle();
 
-    gtk_widget_set_style( GTK_COMBO(m_widget)->button, m_widgetStyle );
+//    gtk_widget_set_style( GTK_COMBO(m_widget)->button, m_widgetStyle );
     gtk_widget_set_style( GTK_COMBO(m_widget)->entry, m_widgetStyle );
     gtk_widget_set_style( GTK_COMBO(m_widget)->list, m_widgetStyle );
 
@@ -608,3 +755,29 @@ bool wxComboBox::IsOwnGtkWindow( GdkWindow *window )
              (window == GTK_COMBO(m_widget)->button->window ) );
 }
 
+wxSize wxComboBox::DoGetBestSize() const
+{
+    wxSize ret( wxControl::DoGetBestSize() );
+
+    // we know better our horizontal extent: it depends on the longest string
+    // in the combobox
+    ret.x = 0;
+    if ( m_widget )
+    {
+        int width;
+        size_t count = GetCount();
+        for ( size_t n = 0; n < count; n++ )
+        {
+            GetTextExtent( GetString(n), &width, NULL, NULL, NULL, &m_font );
+            if ( width > ret.x )
+                ret.x = width;
+        }
+    }
+
+    // empty combobox should have some reasonable default size too
+    if ( ret.x < 100 )
+        ret.x = 100;
+    return ret;
+}
+
+#endif