mention wx[Flex]GridSizer too

[wxWidgets.git] / src / gtk1 / combobox.cpp

diff --git a/src/gtk1/combobox.cpp b/src/gtk1/combobox.cpp
index 20718dfae39cdb4da9be9a2883f05c6121b9d345..c138c48a42f01adad90ac78719a5474f177f2bb0 100644 (file)
--- a/src/gtk1/combobox.cpp
+++ b/src/gtk1/combobox.cpp
@@ -18,8 +18,10 @@
 #include "wx/settings.h"
 #include "wx/intl.h"
 
 #include "wx/settings.h"
 #include "wx/intl.h"
 

-#include "gdk/gdk.h"
-#include "gtk/gtk.h"
+#include "wx/textctrl.h"    // for wxEVT_COMMAND_TEXT_UPDATED
+
+#include <gdk/gdk.h>
+#include <gtk/gtk.h>

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


@@ -55,11 +57,21 @@ gtk_combo_clicked_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo )
 
     combo->m_alreadySent = TRUE;
 
 
     combo->m_alreadySent = TRUE;
 

+    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 );
+    }
+
+    combo->m_prevSelection = curSelection;
+

     wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, combo->GetId() );
     wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, combo->GetId() );

-    event.SetInt( combo->GetSelection() );
+    event.SetInt( curSelection );

     event.SetString( combo->GetStringSelection() );
     event.SetEventObject( combo );
     event.SetString( combo->GetStringSelection() );
     event.SetEventObject( combo );

-    
+

     combo->GetEventHandler()->ProcessEvent( event );
 }
 
     combo->GetEventHandler()->ProcessEvent( event );
 }
 


@@ -71,7 +83,7 @@ static void
 gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo )
 {
     if (g_isIdle) wxapp_install_idle_handler();
 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() );
     if (!combo->m_hasVMT) return;
 
     wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, combo->GetId() );


@@ -100,33 +112,34 @@ bool wxComboBox::Create( wxWindow *parent, wxWindowID id, const wxString& value,
     m_alreadySent = FALSE;
     m_needParent = TRUE;
     m_acceptsFocus = TRUE;
     m_alreadySent = FALSE;
     m_needParent = TRUE;
     m_acceptsFocus = TRUE;

+    m_prevSelection = 0;

 
 

-    PreCreation( parent, id, pos, size, style, name );
-
-#if wxUSE_VALIDATORS
-    SetValidator( validator );
-#endif
+    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();
 
     // make it more useable
 
     m_widget = gtk_combo_new();
 
     // 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 );
+    
+    // and case-sensitive
+    gtk_combo_set_case_sensitive( 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 );

 
     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 );
+

     for (int i = 0; i < n; i++)
     {
         /* don't send first event, which GTK sends aways when
     for (int i = 0; i < n; i++)
     {
         /* don't send first event, which GTK sends aways when

-          inserting the first item */
+           inserting the first item */

         m_alreadySent = TRUE;
         m_alreadySent = TRUE;

-    
+

         GtkWidget *list_item = gtk_list_item_new_with_label( choices[i].mbc_str() );
 
         m_clientDataList.Append( (wxObject*)NULL );
         GtkWidget *list_item = gtk_list_item_new_with_label( choices[i].mbc_str() );
 
         m_clientDataList.Append( (wxObject*)NULL );


@@ -141,6 +154,8 @@ bool wxComboBox::Create( wxWindow *parent, wxWindowID id, const wxString& value,
     }
 
     m_parent->DoAddChild( this );
     }
 
     m_parent->DoAddChild( this );

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

 
     PostCreation();
 
 
     PostCreation();
 


@@ -154,9 +169,19 @@ bool wxComboBox::Create( wxWindow *parent, wxWindowID id, const wxString& value,
     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(GTK_COMBO(m_widget)->entry), "changed",
       GTK_SIGNAL_FUNC(gtk_text_changed_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 );
+

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

-    SetFont( parent->GetFont() );

 
     Show( TRUE );
 
 
     Show( TRUE );
 


@@ -179,7 +204,7 @@ wxComboBox::~wxComboBox()
 
 void wxComboBox::AppendCommon( const wxString &item )
 {
 
 void wxComboBox::AppendCommon( const wxString &item )
 {

-    wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
+    wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );

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


@@ -227,7 +252,7 @@ void wxComboBox::Append( const wxString &item, wxClientData *clientData )
 
 void wxComboBox::SetClientData( int n, void* clientData )
 {
 
 void wxComboBox::SetClientData( int n, void* clientData )
 {

-    wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
+    wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );

 
     wxNode *node = m_clientDataList.Nth( n );
     if (!node) return;
 
     wxNode *node = m_clientDataList.Nth( n );
     if (!node) return;


@@ -237,7 +262,7 @@ void wxComboBox::SetClientData( int n, void* clientData )
 
 void* wxComboBox::GetClientData( int n )
 {
 
 void* wxComboBox::GetClientData( int n )
 {

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

 
     wxNode *node = m_clientDataList.Nth( n );
     if (!node) return NULL;
 
     wxNode *node = m_clientDataList.Nth( n );
     if (!node) return NULL;


@@ -247,7 +272,7 @@ void* wxComboBox::GetClientData( int n )
 
 void wxComboBox::SetClientObject( int n, wxClientData* clientData )
 {
 
 void wxComboBox::SetClientObject( int n, wxClientData* clientData )
 {

-    wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
+    wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );

 
     wxNode *node = m_clientObjectList.Nth( n );
     if (!node) return;
 
     wxNode *node = m_clientObjectList.Nth( n );
     if (!node) return;


@@ -260,7 +285,7 @@ void wxComboBox::SetClientObject( int n, wxClientData* clientData )
 
 wxClientData* wxComboBox::GetClientObject( int n )
 {
 
 wxClientData* wxComboBox::GetClientObject( int n )
 {

-    wxCHECK_MSG( m_widget != NULL, (wxClientData*)NULL, _T("invalid combobox") );
+    wxCHECK_MSG( m_widget != NULL, (wxClientData*)NULL, wxT("invalid combobox") );

 
     wxNode *node = m_clientDataList.Nth( n );
     if (!node) return (wxClientData*) NULL;
 
     wxNode *node = m_clientDataList.Nth( n );
     if (!node) return (wxClientData*) NULL;


@@ -270,7 +295,7 @@ wxClientData* wxComboBox::GetClientObject( int n )
 
 void wxComboBox::Clear()
 {
 
 void wxComboBox::Clear()
 {

-    wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
+    wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );

 
     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() );


@@ -289,7 +314,7 @@ void wxComboBox::Clear()
 
 void wxComboBox::Delete( int n )
 {
 
 void wxComboBox::Delete( int n )
 {

-    wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
+    wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );

 
     GtkList *listbox = GTK_LIST( GTK_COMBO(m_widget)->list );
 
 
     GtkList *listbox = GTK_LIST( GTK_COMBO(m_widget)->list );
 


@@ -297,7 +322,7 @@ void wxComboBox::Delete( int n )
 
     if (!child)
     {
 
     if (!child)
     {

-        wxFAIL_MSG(_T("wrong index"));
+        wxFAIL_MSG(wxT("wrong index"));

         return;
     }
 
         return;
     }
 


@@ -322,7 +347,7 @@ void wxComboBox::Delete( int n )
 
 int wxComboBox::FindString( const wxString &item )
 {
 
 int wxComboBox::FindString( const wxString &item )
 {

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

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


@@ -343,7 +368,7 @@ int wxComboBox::FindString( const wxString &item )
 
 int wxComboBox::GetSelection() const
 {
 
 int wxComboBox::GetSelection() const
 {

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

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


@@ -360,14 +385,12 @@ int wxComboBox::GetSelection() const
         }
     }
 
         }
     }
 

-    wxFAIL_MSG( _T("wxComboBox: no selection") );
-

     return -1;
 }
 
 wxString wxComboBox::GetString( int n ) const
 {
     return -1;
 }
 
 wxString wxComboBox::GetString( int n ) const
 {

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

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


@@ -381,7 +404,7 @@ wxString wxComboBox::GetString( int n ) const
     }
     else
     {
     }
     else
     {

-        wxFAIL_MSG( _T("wxComboBox: wrong index") );
+        wxFAIL_MSG( wxT("wxComboBox: wrong index") );

     }
 
     return str;
     }
 
     return str;


@@ -389,7 +412,7 @@ wxString wxComboBox::GetString( int n ) const
 
 wxString wxComboBox::GetStringSelection() const
 {
 
 wxString wxComboBox::GetStringSelection() const
 {

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

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


@@ -401,14 +424,14 @@ wxString wxComboBox::GetStringSelection() const
         return tmp;
     }
 
         return tmp;
     }
 

-    wxFAIL_MSG( _T("wxComboBox: no selection") );
+    wxFAIL_MSG( wxT("wxComboBox: no selection") );

 
 

-    return _T("");
+    return wxT("");

 }
 
 int wxComboBox::Number() const
 {
 }
 
 int wxComboBox::Number() const
 {

-    wxCHECK_MSG( m_widget != NULL, 0, _T("invalid combobox") );
+    wxCHECK_MSG( m_widget != NULL, 0, wxT("invalid combobox") );

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


@@ -420,19 +443,21 @@ int wxComboBox::Number() const
 
 void wxComboBox::SetSelection( int n )
 {
 
 void wxComboBox::SetSelection( int n )
 {

-    wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
+    wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );

 
     DisableEvents();
 
     GtkWidget *list = GTK_COMBO(m_widget)->list;
 
     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 );
     gtk_list_select_item( GTK_LIST(list), n );

+    m_prevSelection = n;

 
     EnableEvents();
 }
 
 void wxComboBox::SetStringSelection( const wxString &string )
 {
 
     EnableEvents();
 }
 
 void wxComboBox::SetStringSelection( const wxString &string )
 {

-    wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
+    wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );

 
     int res = FindString( string );
     if (res == -1) return;
 
     int res = FindString( string );
     if (res == -1) return;


@@ -448,20 +473,20 @@ wxString wxComboBox::GetValue() const
 
 void wxComboBox::SetValue( const wxString& value )
 {
 
 void wxComboBox::SetValue( const wxString& value )
 {

-    wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
+    wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );

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

-    wxString tmp = _T("");
+    wxString tmp = wxT("");

     if (!value.IsNull()) tmp = value;
     gtk_entry_set_text( GTK_ENTRY(entry), tmp.mbc_str() );
 }
 
 void wxComboBox::Copy()
 {
     if (!value.IsNull()) tmp = value;
     gtk_entry_set_text( GTK_ENTRY(entry), tmp.mbc_str() );
 }
 
 void wxComboBox::Copy()
 {

-    wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
+    wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );

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

-#if (GTK_MINOR_VERSION > 0)
+#if defined(__WXGTK13__) || (GTK_MINOR_VERSION > 0)

     gtk_editable_copy_clipboard( GTK_EDITABLE(entry) );
 #else
     gtk_editable_copy_clipboard( GTK_EDITABLE(entry), 0 );
     gtk_editable_copy_clipboard( GTK_EDITABLE(entry) );
 #else
     gtk_editable_copy_clipboard( GTK_EDITABLE(entry), 0 );


@@ -470,10 +495,10 @@ void wxComboBox::Copy()
 
 void wxComboBox::Cut()
 {
 
 void wxComboBox::Cut()
 {

-    wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
+    wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );

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

-#if (GTK_MINOR_VERSION > 0)
+#if defined(__WXGTK13__) || (GTK_MINOR_VERSION > 0)

     gtk_editable_cut_clipboard( GTK_EDITABLE(entry) );
 #else
     gtk_editable_cut_clipboard( GTK_EDITABLE(entry), 0 );
     gtk_editable_cut_clipboard( GTK_EDITABLE(entry) );
 #else
     gtk_editable_cut_clipboard( GTK_EDITABLE(entry), 0 );


@@ -482,10 +507,10 @@ void wxComboBox::Cut()
 
 void wxComboBox::Paste()
 {
 
 void wxComboBox::Paste()
 {

-    wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
+    wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );

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

-#if (GTK_MINOR_VERSION > 0)
+#if defined(__WXGTK13__) || (GTK_MINOR_VERSION > 0)

     gtk_editable_paste_clipboard( GTK_EDITABLE(entry) );
 #else
     gtk_editable_paste_clipboard( GTK_EDITABLE(entry), 0 );
     gtk_editable_paste_clipboard( GTK_EDITABLE(entry) );
 #else
     gtk_editable_paste_clipboard( GTK_EDITABLE(entry), 0 );


@@ -494,7 +519,7 @@ void wxComboBox::Paste()
 
 void wxComboBox::SetInsertionPoint( long pos )
 {
 
 void wxComboBox::SetInsertionPoint( long pos )
 {

-    wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
+    wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );

 
     GtkWidget *entry = GTK_COMBO(m_widget)->entry;
     gtk_entry_set_position( GTK_ENTRY(entry), (int)pos );
 
     GtkWidget *entry = GTK_COMBO(m_widget)->entry;
     gtk_entry_set_position( GTK_ENTRY(entry), (int)pos );


@@ -502,7 +527,7 @@ void wxComboBox::SetInsertionPoint( long pos )
 
 void wxComboBox::SetInsertionPointEnd()
 {
 
 void wxComboBox::SetInsertionPointEnd()
 {

-    wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
+    wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );

 
     SetInsertionPoint( -1 );
 }
 
     SetInsertionPoint( -1 );
 }


@@ -522,7 +547,7 @@ long wxComboBox::GetLastPosition() const
 
 void wxComboBox::Replace( long from, long to, const wxString& value )
 {
 
 void wxComboBox::Replace( long from, long to, const wxString& value )
 {

-    wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
+    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;
     // FIXME: not quite sure how to do this method right in multibyte mode
 
     GtkWidget *entry = GTK_COMBO(m_widget)->entry;


@@ -534,7 +559,7 @@ void wxComboBox::Replace( long from, long to, const wxString& value )
 
 void wxComboBox::Remove(long from, long to)
 {
 
 void wxComboBox::Remove(long from, long to)
 {

-    wxCHECK_RET( m_widget != NULL, _T("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 );
 
     GtkWidget *entry = GTK_COMBO(m_widget)->entry;
     gtk_editable_delete_text( GTK_EDITABLE(entry), (gint)from, (gint)to );


@@ -575,6 +600,7 @@ void wxComboBox::OnChar( wxKeyEvent &event )
             if ( FindString(value) == wxNOT_FOUND )
             {
                 Append(value);
             if ( FindString(value) == wxNOT_FOUND )
             {
                 Append(value);

+                SetStringSelection(value);

 
                 // and generate the selected event for it
                 wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, GetId() );
 
                 // and generate the selected event for it
                 wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, GetId() );


@@ -596,7 +622,7 @@ void wxComboBox::DisableEvents()
     GList *child = list->children;
     while (child)
     {
     GList *child = list->children;
     while (child)
     {

-        gtk_signal_disconnect_by_func( GTK_OBJECT(child->data), 
+        gtk_signal_disconnect_by_func( GTK_OBJECT(child->data),

           GTK_SIGNAL_FUNC(gtk_combo_clicked_callback), (gpointer)this );
 
         child = child->next;
           GTK_SIGNAL_FUNC(gtk_combo_clicked_callback), (gpointer)this );
 
         child = child->next;


@@ -619,14 +645,14 @@ void wxComboBox::EnableEvents()
 void wxComboBox::OnSize( wxSizeEvent &event )
 {
     event.Skip();
 void wxComboBox::OnSize( wxSizeEvent &event )
 {
     event.Skip();

-    
-    return;

 
 

+#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 );
     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()
 }
 
 void wxComboBox::ApplyWidgetStyle()


@@ -661,4 +687,31 @@ bool wxComboBox::IsOwnGtkWindow( GdkWindow *window )
              (window == GTK_COMBO(m_widget)->button->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 )
+    {
+        GdkFont *font = m_font.GetInternalFont();
+
+        wxCoord width;
+        size_t count = Number();
+        for ( size_t n = 0; n < count; n++ )
+        {
+            width = (wxCoord)gdk_string_width(font, GetString(n).mbc_str());
+            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
 #endif