X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9d6a9fdd13ab25f0ac7c54a3ec8098f8b5c1d118..87e024f7d5266f596ba0249d4842d09eec11c6d8:/src/gtk1/combobox.cpp?ds=sidebyside

diff --git a/src/gtk1/combobox.cpp b/src/gtk1/combobox.cpp
index d8746af217..352310b904 100644
--- a/src/gtk1/combobox.cpp
+++ b/src/gtk1/combobox.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        combobox.cpp
+// Name:        src/gtk1/combobox.cpp
 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$
@@ -7,24 +7,21 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#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"
-
 #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/gtk1/private.h"
 
 //-----------------------------------------------------------------------------
 // idle system
@@ -38,12 +35,14 @@ extern bool g_isIdle;
 //-----------------------------------------------------------------------------
 
 extern bool   g_blockEventsOnDrag;
-static int    g_SelectionBeforePopup = -1;
+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
 //-----------------------------------------------------------------------------
 
+extern "C" {
 static void
 gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo )
 {
@@ -51,7 +50,7 @@ gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo )
 
     if (combo->m_ignoreNextUpdate)
     {
-        combo->m_ignoreNextUpdate = FALSE;
+        combo->m_ignoreNextUpdate = false;
         return;
     }
 
@@ -60,44 +59,63 @@ gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo )
     wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, combo->GetId() );
     event.SetString( combo->GetValue() );
     event.SetEventObject( combo );
-    combo->GetEventHandler()->ProcessEvent( event );
+    combo->HandleWindowEvent( event );
+}
 }
 
+extern "C" {
 static void
 gtk_dummy_callback(GtkEntry *WXUNUSED(entry), GtkCombo *WXUNUSED(combo))
 {
 }
+}
 
+extern "C" {
 static void
 gtk_popup_hide_callback(GtkCombo *WXUNUSED(gtk_combo), wxComboBox *combo)
-{  
+{
     // when the popup is hidden, throw a SELECTED event only if the combobox
     // selection changed.
-    int curSelection = combo->GetSelection();
-    if (g_SelectionBeforePopup != curSelection)
+    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 );
+        combo->HandleWindowEvent( 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->HandleWindowEvent( event2 );
     }
-    
-    // reset the selection flag to an identifiable value
-    g_SelectionBeforePopup = -1;
+}
 }
 
+extern "C" {
 static void
 gtk_popup_show_callback(GtkCombo *WXUNUSED(gtk_combo), wxComboBox *combo)
 {
     // store the combobox selection value before the popup is shown
-    g_SelectionBeforePopup = combo->GetSelection();
+    g_SelectionBeforePopup = combo->GetCurrentSelection();
+}
 }
 
 //-----------------------------------------------------------------------------
 // "select-child" - click/cursor get select-child, changed, select-child
 //-----------------------------------------------------------------------------
 
+extern "C" {
 static void
 gtk_combo_select_child_callback( GtkList *WXUNUSED(list), GtkWidget *WXUNUSED(widget), wxComboBox *combo )
 {
@@ -107,7 +125,7 @@ gtk_combo_select_child_callback( GtkList *WXUNUSED(list), GtkWidget *WXUNUSED(wi
 
     if (g_blockEventsOnDrag) return;
 
-    int curSelection = combo->GetSelection();
+    int curSelection = combo->GetCurrentSelection();
 
     if (combo->m_prevSelection == curSelection) return;
 
@@ -122,28 +140,30 @@ gtk_combo_select_child_callback( GtkList *WXUNUSED(list), GtkWidget *WXUNUSED(wi
     gtk_signal_disconnect_by_func( GTK_OBJECT(GTK_COMBO(combo->GetHandle())->entry),
       GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)combo );
     combo->SetValue( combo->GetStringSelection() );
-    gtk_signal_connect( GTK_OBJECT(GTK_COMBO(combo->GetHandle())->entry), "changed",
+    gtk_signal_connect_after( GTK_OBJECT(GTK_COMBO(combo->GetHandle())->entry), "changed",
       GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)combo );
 
-    // throw a SELECTED event only if the combobox popup is hidden
+    // throw a SELECTED event only if the combobox popup is hidden (wxID_NONE)
     // because when combobox popup is shown, gtk_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 == -1)
+    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 );
-      }
-
-    // Now send the event ourselves
-    wxCommandEvent event2( wxEVT_COMMAND_TEXT_UPDATED, combo->GetId() );
-    event2.SetString( combo->GetValue() );
-    event2.SetEventObject( combo );
-    combo->GetEventHandler()->ProcessEvent( event2 );
+        combo->HandleWindowEvent( 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->HandleWindowEvent( event2 );
+    }
+}
 }
 
 //-----------------------------------------------------------------------------
@@ -192,16 +212,16 @@ bool wxComboBox::Create( wxWindow *parent, wxWindowID id, const wxString& value,
                          long style, const wxValidator& validator,
                          const wxString& name )
 {
-    m_ignoreNextUpdate = FALSE;
-    m_needParent = TRUE;
-    m_acceptsFocus = TRUE;
+    m_ignoreNextUpdate = false;
+    m_needParent = true;
+    m_acceptsFocus = true;
     m_prevSelection = 0;
 
     if (!PreCreation( parent, pos, size ) ||
         !CreateBase( parent, id, pos, size, style, validator, name ))
     {
         wxFAIL_MSG( wxT("wxComboBox creation failed") );
-        return FALSE;
+        return false;
     }
 
     m_widget = gtk_combo_new();
@@ -209,9 +229,9 @@ bool wxComboBox::Create( wxWindow *parent, wxWindowID id, const wxString& value,
 
     // Disable GTK's broken events ...
     gtk_signal_disconnect( GTK_OBJECT(combo->entry), combo->entry_change_id );
-    // ... and add surogate handler.
+    // ... and add surrogate handler.
     combo->entry_change_id = gtk_signal_connect (GTK_OBJECT (combo->entry), "changed",
-			      (GtkSignalFunc) gtk_dummy_callback, combo);
+                  (GtkSignalFunc) gtk_dummy_callback, combo);
 
     // make it more useable
     gtk_combo_set_use_arrows_always( GTK_COMBO(m_widget), TRUE );
@@ -221,9 +241,7 @@ bool wxComboBox::Create( wxWindow *parent, wxWindowID id, const wxString& value,
 
     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++)
     {
@@ -255,23 +273,23 @@ bool wxComboBox::Create( wxWindow *parent, wxWindowID id, const wxString& value,
     // "show" and "hide" events are generated when user click on the combobox button which popups a list
     // this list is the "popwin" gtk widget
     gtk_signal_connect( GTK_OBJECT(GTK_COMBO(combo)->popwin), "hide",
-			GTK_SIGNAL_FUNC(gtk_popup_hide_callback), (gpointer)this );
+                        GTK_SIGNAL_FUNC(gtk_popup_hide_callback), (gpointer)this );
     gtk_signal_connect( GTK_OBJECT(GTK_COMBO(combo)->popwin), "show",
-			GTK_SIGNAL_FUNC(gtk_popup_show_callback), (gpointer)this );
+                        GTK_SIGNAL_FUNC(gtk_popup_show_callback), (gpointer)this );
 
-    gtk_signal_connect( GTK_OBJECT(combo->entry), "changed",
+    gtk_signal_connect_after( 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_connect_after( GTK_OBJECT(combo->list), "select-child",
       GTK_SIGNAL_FUNC(gtk_combo_select_child_callback), (gpointer)this );
 
-    SetBestSize(size); // need this too because this is a wxControlWithItems
+    SetInitialSize(size); // need this too because this is a wxControlWithItems
 
     // This is required for tool bar support
-    wxSize setsize = GetSize();
-    gtk_widget_set_usize( m_widget, setsize.x, setsize.y );
+//    wxSize setsize = GetSize();
+//    gtk_widget_set_usize( m_widget, setsize.x, setsize.y );
 
-    return TRUE;
+    return true;
 }
 
 wxComboBox::~wxComboBox()
@@ -299,7 +317,10 @@ void wxComboBox::SetFocus()
     gtk_widget_grab_focus( m_focusWidget );
 }
 
-int wxComboBox::DoAppend( const wxString &item )
+int wxComboBox::DoInsertItems(const wxArrayStringsAdapter& items,
+                              unsigned int pos,
+                              void **clientData,
+                              wxClientDataType type)
 {
     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid combobox") );
 
@@ -307,91 +328,61 @@ int wxComboBox::DoAppend( const wxString &item )
 
     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 );
-
-    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;
-}
-
-int wxComboBox::DoInsert( const wxString &item, int pos )
-{
-    wxCHECK_MSG( !(GetWindowStyle() & wxCB_SORT), -1,
-                    wxT("can't insert into sorted list"));
-
-    wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid combobox") );
 
-    int count = GetCount();
-    wxCHECK_MSG( (pos >= 0) && (pos <= count), -1, wxT("invalid index") );
+    const unsigned int count = items.GetCount();
+    for( unsigned int i = 0; i < count; ++i, ++pos )
+    {
+        GtkWidget *
+            list_item = gtk_list_item_new_with_label( wxGTK_CONV( items[i] ) );
 
-    if (pos == count)
-        return Append(item);
+        if ( pos == GetCount() )
+        {
+            gtk_container_add( GTK_CONTAINER(list), list_item );
+        }
+        else // insert, not append
+        {
+            GList *gitem_list = g_list_alloc ();
+            gitem_list->data = list_item;
+            gtk_list_insert_items( GTK_LIST (list), gitem_list, pos );
+        }
 
-    DisableEvents();
+        if (GTK_WIDGET_REALIZED(m_widget))
+        {
+            gtk_widget_realize( list_item );
+            gtk_widget_realize( GTK_BIN(list_item)->child );
 
-    GtkWidget *list = GTK_COMBO(m_widget)->list;
+            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 );
+            }
 
-    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 );
+        gtk_widget_show( list_item );
 
-    if (GTK_WIDGET_REALIZED(m_widget))
-    {
-        gtk_widget_realize( list_item );
-        gtk_widget_realize( GTK_BIN(list_item)->child );
+        if ( m_clientDataList.GetCount() < GetCount() )
+            m_clientDataList.Insert( pos, (wxObject*) NULL );
+        if ( m_clientObjectList.GetCount() < GetCount() )
+            m_clientObjectList.Insert( pos, (wxObject*) NULL );
 
-        ApplyWidgetStyle();
+        AssignNewItemClientData(pos, clientData, i, type);
     }
 
-    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 );
+    if ( style )
+        gtk_rc_style_unref( style );
 
     EnableEvents();
 
     InvalidateBestSize();
 
-    return pos;
+    return pos - 1;
 }
 
-void wxComboBox::DoSetItemClientData( int n, void* clientData )
+void wxComboBox::DoSetItemClientData(unsigned int n, void* clientData)
 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
 
@@ -401,7 +392,7 @@ void wxComboBox::DoSetItemClientData( int n, void* clientData )
     node->SetData( (wxObject*) clientData );
 }
 
-void* wxComboBox::DoGetItemClientData( int n ) const
+void* wxComboBox::DoGetItemClientData(unsigned int n) const
 {
     wxCHECK_MSG( m_widget != NULL, NULL, wxT("invalid combobox") );
 
@@ -410,43 +401,15 @@ void* wxComboBox::DoGetItemClientData( int n ) const
     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;
-}
-
-void wxComboBox::Clear()
+void wxComboBox::DoClear()
 {
     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() );
+    gtk_list_clear_items( GTK_LIST(list), 0, (int)GetCount() );
 
-    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();
@@ -456,7 +419,7 @@ void wxComboBox::Clear()
     InvalidateBestSize();
 }
 
-void wxComboBox::Delete( int n )
+void wxComboBox::DoDeleteOneItem(unsigned int n)
 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
 
@@ -479,8 +442,6 @@ void wxComboBox::Delete( int n )
     wxList::compatibility_iterator node = m_clientObjectList.Item( n );
     if (node)
     {
-        wxClientData *cd = (wxClientData*)node->GetData();
-        if (cd) delete cd;
         m_clientObjectList.Erase( node );
     }
 
@@ -493,7 +454,7 @@ void wxComboBox::Delete( int n )
     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") );
 
@@ -514,9 +475,9 @@ void wxComboBox::SetString(int n, const wxString &text)
     InvalidateBestSize();
 }
 
-int wxComboBox::FindString( const wxString &item ) const
+int wxComboBox::FindString( const wxString &item, bool bCase ) const
 {
-    wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid combobox") );
+    wxCHECK_MSG( m_widget != NULL, wxNOT_FOUND, wxT("invalid combobox") );
 
     GtkWidget *list = GTK_COMBO(m_widget)->list;
 
@@ -526,12 +487,8 @@ int wxComboBox::FindString( const wxString &item ) const
     {
         GtkBin *bin = GTK_BIN( child->data );
         GtkLabel *label = GTK_LABEL( bin->child );
-#ifdef __WXGTK20__
-        wxString str( wxGTK_CONV_BACK( gtk_label_get_text(label) ) );
-#else
         wxString str( label->label );
-#endif
-        if (item == str)
+        if (item.IsSameAs( str , bCase ) )
             return count;
 
         count++;
@@ -542,6 +499,14 @@ int wxComboBox::FindString( const wxString &item ) const
 }
 
 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;
+}
+
+int wxComboBox::GetCurrentSelection() const
 {
     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid combobox") );
 
@@ -560,12 +525,12 @@ int wxComboBox::GetSelection() const
         }
     }
 
-    return -1;
+    return wxNOT_FOUND;
 }
 
-wxString wxComboBox::GetString( int n ) const
+wxString wxComboBox::GetString(unsigned int n) const
 {
-    wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid combobox") );
+    wxCHECK_MSG( m_widget != NULL, wxEmptyString, wxT("invalid combobox") );
 
     GtkWidget *list = GTK_COMBO(m_widget)->list;
 
@@ -575,11 +540,7 @@ wxString wxComboBox::GetString( int n ) const
     {
         GtkBin *bin = GTK_BIN( child->data );
         GtkLabel *label = GTK_LABEL( bin->child );
-#ifdef __WXGTK20__
-        str = wxGTK_CONV_BACK( gtk_label_get_text(label) );
-#else
         str = wxString( label->label );
-#endif
     }
     else
     {
@@ -591,7 +552,7 @@ wxString wxComboBox::GetString( int n ) const
 
 wxString wxComboBox::GetStringSelection() const
 {
-    wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid combobox") );
+    wxCHECK_MSG( m_widget != NULL, wxEmptyString, wxT("invalid combobox") );
 
     GtkWidget *list = GTK_COMBO(m_widget)->list;
 
@@ -600,27 +561,23 @@ wxString wxComboBox::GetStringSelection() const
     {
         GtkBin *bin = GTK_BIN( selection->data );
         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( wxT("wxComboBox: no selection") );
 
-    return wxT("");
+    return wxEmptyString;
 }
 
-int wxComboBox::GetCount() const
+unsigned int wxComboBox::GetCount() const
 {
     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;
+    unsigned int count = 0;
     while (child) { count++; child = child->next; }
     return count;
 }
@@ -639,16 +596,6 @@ void wxComboBox::SetSelection( int n )
     EnableEvents();
 }
 
-bool wxComboBox::SetStringSelection( const wxString &string )
-{
-    wxCHECK_MSG( m_widget != NULL, false, wxT("invalid combobox") );
-
-    int res = FindString( string );
-    if (res == -1) return false;
-    SetSelection( res );
-    return true;
-}
-
 wxString wxComboBox::GetValue() const
 {
     GtkEntry *entry = GTK_ENTRY( GTK_COMBO(m_widget)->entry );
@@ -671,13 +618,24 @@ void wxComboBox::SetValue( const wxString& value )
     wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
 
     GtkWidget *entry = GTK_COMBO(m_widget)->entry;
-    wxString tmp = wxT("");
-    if (!value.IsNull()) tmp = value;
-    gtk_entry_set_text( GTK_ENTRY(entry), wxGTK_CONV( tmp ) );
+    gtk_entry_set_text( GTK_ENTRY(entry), wxGTK_CONV( value ) );
 
     InvalidateBestSize();
 }
 
+void wxComboBox::WriteText(const wxString& value)
+{
+    wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
+
+    GtkWidget *entry = GTK_COMBO(m_widget)->entry;
+    GtkEditable * const edit = GTK_EDITABLE(entry);
+
+    gtk_editable_delete_selection(edit);
+    gint len = gtk_editable_get_position(edit);
+    gtk_editable_insert_text(edit, wxGTK_CONV(value), -1, &len);
+    gtk_editable_set_position(edit, len);
+}
+
 void wxComboBox::Copy()
 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
@@ -775,7 +733,7 @@ long wxComboBox::GetInsertionPoint() const
     return (long) GET_EDITABLE_POS( GTK_COMBO(m_widget)->entry );
 }
 
-long wxComboBox::GetLastPosition() const
+wxTextPos wxComboBox::GetLastPosition() const
 {
     GtkWidget *entry = GTK_COMBO(m_widget)->entry;
     int pos = GTK_ENTRY(entry)->text_length;
@@ -795,7 +753,7 @@ void wxComboBox::Replace( long from, long to, const wxString& value )
     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 );
+    gtk_editable_insert_text( GTK_EDITABLE(entry), value.c_str(), value.length(), &pos );
 #endif
 }
 
@@ -810,15 +768,8 @@ void wxComboBox::GetSelection( long* from, long* to ) const
     if (IsEditable())
     {
         GtkEditable *editable = GTK_EDITABLE(GTK_COMBO(m_widget)->entry);
-#ifdef __WXGTK20__
-        gint start, end;
-        gtk_editable_get_selection_bounds(editable, & start, & end);
-        *from = start;
-        *to = end;
-#else
         *from = (long) editable->selection_start_pos;
         *to = (long) editable->selection_end_pos;
-#endif
     }
 }
 
@@ -833,12 +784,12 @@ void wxComboBox::OnChar( wxKeyEvent &event )
     if ( event.GetKeyCode() == WXK_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 );
+        wxCommandEvent eventEnter(wxEVT_COMMAND_TEXT_ENTER, GetId());
+        eventEnter.SetString( GetValue() );
+        eventEnter.SetInt( GetSelection() );
+        eventEnter.SetEventObject( this );
 
-        if (!GetEventHandler()->ProcessEvent( event ))
+        if (!HandleWindowEvent( eventEnter ))
         {
             // This will invoke the dialog default action, such
             // as the clicking the default button.
@@ -874,9 +825,9 @@ void wxComboBox::DisableEvents()
 
 void wxComboBox::EnableEvents()
 {
-    gtk_signal_connect( GTK_OBJECT(GTK_COMBO(m_widget)->list), "select-child",
+    gtk_signal_connect_after( 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_connect_after( GTK_OBJECT(GTK_COMBO(m_widget)->entry), "changed",
       GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this );
 }
 
@@ -934,10 +885,10 @@ wxSize wxComboBox::DoGetBestSize() const
     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;
         }
@@ -1036,4 +987,3 @@ void wxComboBox::OnUpdateSelectAll(wxUpdateUIEvent& event)
 }
 
 #endif
-