Removed a deprecated wxBitmap constructor, and some

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

diff --git a/src/gtk/choice.cpp b/src/gtk/choice.cpp
index 5d76b098ff5c7d13c5865bb48f053c25e585dc29..4edcdc8b942e7ef2e1f0499a1f784804685b21eb 100644 (file)
--- a/src/gtk/choice.cpp
+++ b/src/gtk/choice.cpp
@@ -4,7 +4,7 @@
 // Author:      Robert Roebling
 // Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling
 // Author:      Robert Roebling
 // Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling

-// Licence:    wxWindows licence
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 
 /////////////////////////////////////////////////////////////////////////////
 
 


@@ -12,8 +12,21 @@
 #pragma implementation "choice.h"
 #endif
 
 #pragma implementation "choice.h"
 #endif
 

+#include "wx/defs.h"
+
+#if wxUSE_CHOICE
+

 #include "wx/choice.h"
 
 #include "wx/choice.h"
 

+#include "wx/gtk/private.h"
+
+//-----------------------------------------------------------------------------
+// idle system
+//-----------------------------------------------------------------------------
+
+extern void wxapp_install_idle_handler();
+extern bool g_isIdle;
+

 //-----------------------------------------------------------------------------
 // data
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // data
 //-----------------------------------------------------------------------------


@@ -26,15 +39,26 @@ extern bool   g_blockEventsOnDrag;
 
 static void gtk_choice_clicked_callback( GtkWidget *WXUNUSED(widget), wxChoice *choice )
 {
 
 static void gtk_choice_clicked_callback( GtkWidget *WXUNUSED(widget), wxChoice *choice )
 {

-  if (!choice->HasVMT()) return;
-  if (g_blockEventsOnDrag) return;
-  
-  wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, choice->GetId() );
-  event.SetInt( choice->GetSelection() );
-  wxString tmp( choice->GetStringSelection() );
-  event.SetString( WXSTRINGCAST(tmp) );
-  event.SetEventObject(choice);
-  choice->GetEventHandler()->ProcessEvent(event);
+    if (g_isIdle)
+      wxapp_install_idle_handler();
+
+    if (!choice->m_hasVMT) return;
+
+    if (g_blockEventsOnDrag) return;
+
+    wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, choice->GetId() );
+    int n = choice->GetSelection();
+
+    event.SetInt( n );
+    event.SetString( choice->GetStringSelection() );
+    event.SetEventObject(choice);
+
+    if ( choice->HasClientObjectData() )
+        event.SetClientObject( choice->GetClientObject(n) );
+    else if ( choice->HasClientUntypedData() )
+        event.SetClientData( choice->GetClientData(n) );
+
+    choice->GetEventHandler()->ProcessEvent(event);

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


@@ -43,276 +67,417 @@ static void gtk_choice_clicked_callback( GtkWidget *WXUNUSED(widget), wxChoice *
 
 IMPLEMENT_DYNAMIC_CLASS(wxChoice,wxControl)
 
 
 IMPLEMENT_DYNAMIC_CLASS(wxChoice,wxControl)
 

-wxChoice::wxChoice(void)
+wxChoice::wxChoice()

 {
 {

+    m_strings = (wxSortedArrayString *)NULL;

 }
 
 bool wxChoice::Create( wxWindow *parent, wxWindowID id,
 }
 
 bool wxChoice::Create( wxWindow *parent, wxWindowID id,

-      const wxPoint &pos, const wxSize &size,
-      int n, const wxString choices[],
-      long style, const wxValidator& validator, const wxString &name )
+                       const wxPoint &pos, const wxSize &size,
+                       int n, const wxString choices[],
+                       long style, const wxValidator& validator, const wxString &name )

 {
 {

-  m_needParent = TRUE;
-  
-  PreCreation( parent, id, pos, size, style, name );
-  
-  SetValidator( validator );
-
-  m_widget = gtk_option_menu_new();
-  
-  wxSize newSize = size;
-  if (newSize.x == -1) newSize.x = 80;
-  if (newSize.y == -1) newSize.y = 26;
-  SetSize( newSize.x, newSize.y );
-  
-  GtkWidget *menu = gtk_menu_new();
-  
-  for (int i = 0; i < n; i++)
-  {
-    GtkWidget *item = gtk_menu_item_new_with_label( choices[i] );
-    gtk_signal_connect( GTK_OBJECT( item ), "activate", 
-      GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)this );
-    
-    gtk_menu_append( GTK_MENU(menu), item );
-    
-    gtk_widget_show( item );
-    gtk_widget_realize( item );
-    gtk_widget_realize( GTK_BIN(item)->child );
-  }
-  gtk_option_menu_set_menu( GTK_OPTION_MENU(m_widget), menu );
-  
-  PostCreation();
-  
-  SetBackgroundColour( parent->GetBackgroundColour() );
-
-  Show( TRUE );
-    
-  return TRUE;
+    m_needParent = TRUE;
+#if (GTK_MINOR_VERSION > 0)
+    m_acceptsFocus = TRUE;
+#endif
+
+    if (!PreCreation( parent, pos, size ) ||
+        !CreateBase( parent, id, pos, size, style, validator, name ))
+    {
+        wxFAIL_MSG( wxT("wxChoice creation failed") );
+        return FALSE;
+    }
+
+    m_widget = gtk_option_menu_new();
+
+    if ( style & wxCB_SORT )
+    {
+        // if our m_strings != NULL, DoAppend() will check for it and insert
+        // items in the correct order
+        m_strings = new wxSortedArrayString;
+    }
+
+    GtkWidget *menu = gtk_menu_new();
+
+    for (int i = 0; i < n; i++)
+    {
+        GtkAppendHelper(menu, choices[i]);
+    }
+
+    gtk_option_menu_set_menu( GTK_OPTION_MENU(m_widget), menu );
+
+    m_parent->DoAddChild( this );
+
+    PostCreation();
+
+    SetFont( parent->GetFont() );
+
+    SetBestSize(size);
+
+    SetBackgroundColour( parent->GetBackgroundColour() );
+    SetForegroundColour( parent->GetForegroundColour() );
+
+    Show( TRUE );
+
+    return TRUE;

 }
 }

-      
-void wxChoice::Append( const wxString &item )
+
+wxChoice::~wxChoice()

 {
 {

-  wxCHECK_RET( m_widget != NULL, "invalid choice" );
-
-  GtkWidget *menu = gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) );
-  GtkWidget *menu_item = gtk_menu_item_new_with_label( item );
-  
-  gtk_menu_append( GTK_MENU(menu), menu_item );
-  
-  gtk_widget_realize( menu_item );
-  gtk_widget_realize( GTK_BIN(menu_item)->child );
-  
-  if (m_hasOwnStyle)
-  {
-  
-    GtkBin *bin = GTK_BIN( menu_item );
-    
-    gtk_widget_set_style( bin->child, 
-      gtk_style_ref(
-        gtk_widget_get_style( m_widget ) ) ); 
-       
-    gtk_widget_set_style( GTK_WIDGET( bin ), 
-      gtk_style_ref(
-        gtk_widget_get_style( m_widget ) ) ); 
-  }
-  
-  gtk_signal_connect( GTK_OBJECT( menu_item ), "activate", 
-    GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)this );
-    
-  gtk_widget_show( menu_item );
+    Clear();
+
+    delete m_strings;

 }
 }

- 
-void wxChoice::Clear(void)
+
+int wxChoice::DoAppend( const wxString &item )

 {
 {

-  wxCHECK_RET( m_widget != NULL, "invalid choice" );
+    wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice control") );
+
+    GtkWidget *menu = gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) );

 
 

-  gtk_option_menu_remove_menu( GTK_OPTION_MENU(m_widget) );
-  GtkWidget *menu = gtk_menu_new();
-  gtk_option_menu_set_menu( GTK_OPTION_MENU(m_widget), menu );
+    return GtkAppendHelper(menu, item);

 }
 
 }
 

-void wxChoice::Delete( int WXUNUSED(n) )
+void wxChoice::DoSetItemClientData( int n, void* clientData )

 {
 {

-  wxFAIL_MSG( "wxChoice:Delete not implemented" );
+    wxCHECK_RET( m_widget != NULL, wxT("invalid choice control") );
+
+    wxNode *node = m_clientList.Item( n );
+    wxCHECK_RET( node, wxT("invalid index in wxChoice::DoSetItemClientData") );
+
+    node->SetData( (wxObject*) clientData );

 }
 
 }
 

-int wxChoice::FindString( const wxString &string ) const
+void* wxChoice::DoGetItemClientData( int n ) const

 {
 {

-  wxCHECK_MSG( m_widget != NULL, -1, "invalid choice" );
-
-  // If you read this code once and you think you understand
-  // it, then you are very wrong. Robert Roebling.
-  
-  GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
-  int count = 0;
-  GList *child = menu_shell->children;
-  while (child)
-  {
-    GtkBin *bin = GTK_BIN( child->data );
-    GtkLabel *label = (GtkLabel *) NULL;
-    if (bin->child) label = GTK_LABEL(bin->child);
-    if (!label) label = GTK_LABEL( GTK_BUTTON(m_widget)->child );
-    
-    wxASSERT_MSG( label != NULL , "wxChoice: invalid label" );
-    
-    if (string == label->label) return count;
-    child = child->next;
-    count++;
-  }
-  
-  wxFAIL_MSG( "wxChoice: string not found" );
-  
-  return -1;
+    wxCHECK_MSG( m_widget != NULL, NULL, wxT("invalid choice control") );
+
+    wxNode *node = m_clientList.Item( n );
+    wxCHECK_MSG( node, NULL, wxT("invalid index in wxChoice::DoGetItemClientData") );
+
+    return node->GetData();

 }
 
 }
 

-int wxChoice::GetColumns(void) const
+void wxChoice::DoSetItemClientObject( int n, wxClientData* clientData )

 {
 {

-  return 1;
+    wxCHECK_RET( m_widget != NULL, wxT("invalid choice control") );
+
+    wxNode *node = m_clientList.Item( n );
+    wxCHECK_RET( node, wxT("invalid index in wxChoice::DoSetItemClientObject") );
+
+    // wxItemContainer already deletes data for us
+
+    node->SetData( (wxObject*) clientData );

 }
 
 }
 

-int wxChoice::GetSelection(void)
+wxClientData* wxChoice::DoGetItemClientObject( int n ) const

 {
 {

-  wxCHECK_MSG( m_widget != NULL, -1, "invalid choice" );
-
-  GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
-  int count = 0;
-  GList *child = menu_shell->children;
-  while (child)
-  {
-    GtkBin *bin = GTK_BIN( child->data );
-    if (!bin->child) return count;
-    child = child->next;
-    count++;
-  }
-  
-  wxFAIL_MSG( "wxChoice: no selection" );
-  
-  return -1;
+    wxCHECK_MSG( m_widget != NULL, (wxClientData*) NULL, wxT("invalid choice control") );
+
+    wxNode *node = m_clientList.Item( n );
+    wxCHECK_MSG( node, (wxClientData *)NULL,
+                 wxT("invalid index in wxChoice::DoGetItemClientObject") );
+
+    return (wxClientData*) node->GetData();

 }
 
 }
 

-wxString wxChoice::GetString( int n ) const
+void wxChoice::Clear()

 {
 {

-  wxCHECK_MSG( m_widget != NULL, "", "invalid choice" );
-
-  GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
-  int count = 0;
-  GList *child = menu_shell->children;
-  while (child)
-  {
-    GtkBin *bin = GTK_BIN( child->data );
-    if (count == n)
+    wxCHECK_RET( m_widget != NULL, wxT("invalid choice") );
+
+    gtk_option_menu_remove_menu( GTK_OPTION_MENU(m_widget) );
+    GtkWidget *menu = gtk_menu_new();
+    gtk_option_menu_set_menu( GTK_OPTION_MENU(m_widget), menu );
+
+    if ( HasClientObjectData() )

     {
     {

-      GtkLabel *label = (GtkLabel *) NULL;
-      if (bin->child) label = GTK_LABEL(bin->child);
-      if (!label) label = GTK_LABEL( GTK_BUTTON(m_widget)->child );
-      
-      wxASSERT_MSG( label != NULL , "wxChoice: invalid label" );
-      
-      return label->label;
+        // destroy the data (due to Robert's idea of using wxList<wxObject>
+        // and not wxList<wxClientData> we can't just say
+        // m_clientList.DeleteContents(TRUE) - this would crash!
+        wxNode *node = m_clientList.GetFirst();
+        while ( node )
+        {
+            delete (wxClientData *)node->GetData();
+            node = node->GetNext();
+        }

     }
     }

-    child = child->next;
-    count++;
-  }
-  
-  wxFAIL_MSG( "wxChoice: string not found" );
-  
-  return "";
+    m_clientList.Clear();
+
+    if ( m_strings )
+        m_strings->Clear();

 }
 
 }
 

-wxString wxChoice::GetStringSelection(void) const
+void wxChoice::Delete( int n )

 {
 {

-  wxCHECK_MSG( m_widget != NULL, "", "invalid choice" );
+    wxCHECK_RET( m_widget != NULL, wxT("invalid choice") );

 
 

-  GtkLabel *label = GTK_LABEL( GTK_BUTTON(m_widget)->child );
-  
-  wxASSERT_MSG( label != NULL , "wxChoice: invalid label" );
-  
-  return label->label;
+    // VZ: apparently GTK+ doesn't have a built-in function to do it (not even
+    //     in 2.0), hence this dump implementation - still better than nothing
+    int i,
+        count = GetCount();
+
+    wxCHECK_RET( n >= 0 && n < count, _T("invalid index in wxChoice::Delete") );
+
+    wxArrayString items;
+    items.Alloc(count);
+    for ( i = 0; i < count; i++ )
+    {
+        if ( i != n )
+            items.Add(GetString(i));
+    }
+
+    Clear();
+
+    for ( i = 0; i < count - 1; i++ )
+    {
+        Append(items[i]);
+    }

 }
 
 }
 

-int wxChoice::Number(void) const
+int wxChoice::FindString( const wxString &string ) const

 {
 {

-  wxCHECK_MSG( m_widget != NULL, 0, "invalid choice" );
-
-  GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
-  int count = 0;
-  GList *child = menu_shell->children;
-  while (child)
-  {
-    count++;
-    child = child->next;
-  }
-  return count;
+    wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice") );
+
+    // If you read this code once and you think you understand
+    // it, then you are very wrong. Robert Roebling.
+
+    GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
+    int count = 0;
+    GList *child = menu_shell->children;
+    while (child)
+    {
+        GtkBin *bin = GTK_BIN( child->data );
+        GtkLabel *label = (GtkLabel *) NULL;
+        if (bin->child)
+            label = GTK_LABEL(bin->child);
+        if (!label)
+            label = GTK_LABEL( BUTTON_CHILD(m_widget) );
+
+        wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") );
+        
+#ifdef __WXGTK20__
+         wxString tmp( wxGTK_CONV_BACK( gtk_label_get_text( label) ) );
+#else
+         wxString tmp( label->label );
+#endif
+        if (string == tmp)
+            return count;
+
+        child = child->next;
+        count++;
+    }
+
+    return -1;

 }
 
 }
 

-void wxChoice::SetColumns( int WXUNUSED(n) )
+int wxChoice::GetSelection() const

 {
 {

+    wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice") );
+    
+#ifdef __WXGTK20__
+
+    return gtk_option_menu_get_history( GTK_OPTION_MENU(m_widget) );
+    
+#else
+    GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
+    int count = 0;
+    
+    GList *child = menu_shell->children;
+    while (child)
+    {
+        GtkBin *bin = GTK_BIN( child->data );
+        if (!bin->child) return count;
+        child = child->next;
+        count++;
+    }
+
+    return -1;
+#endif

 }
 
 }
 

-void wxChoice::SetSelection( int n )
+void wxChoice::SetString( int WXUNUSED(n), const wxString& WXUNUSED(string) )

 {
 {

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

 
 

-  int tmp = n;
-  gtk_option_menu_set_history( GTK_OPTION_MENU(m_widget), (gint)tmp );
-  
-  gtk_choice_clicked_callback( (GtkWidget *) NULL, this );
+    wxFAIL_MSG(wxT("not implemented"));

 }
 
 }
 

-void wxChoice::SetStringSelection( const wxString &string )
+wxString wxChoice::GetString( int n ) const

 {
 {

-  wxCHECK_RET( m_widget != NULL, "invalid choice" );
+    wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid choice") );
+
+    GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
+    int count = 0;
+    GList *child = menu_shell->children;
+    while (child)
+    {
+        GtkBin *bin = GTK_BIN( child->data );
+        if (count == n)
+        {
+            GtkLabel *label = (GtkLabel *) NULL;
+            if (bin->child)
+                label = GTK_LABEL(bin->child);
+            if (!label)
+                label = GTK_LABEL( BUTTON_CHILD(m_widget) );
+
+            wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") );
+
+#ifdef __WXGTK20__
+            return wxString( wxGTK_CONV_BACK( gtk_label_get_text( label) ) );
+#else
+            return wxString( label->label );
+#endif
+        }
+        child = child->next;
+        count++;
+    }
+
+    wxFAIL_MSG( wxT("wxChoice: invalid index in GetString()") );

 
 

-  int n = FindString( string );
-  if (n != -1) SetSelection( n );
+    return wxT("");

 }
 
 }
 

-void wxChoice::SetFont( const wxFont &font )
+int wxChoice::GetCount() const

 {
 {

-  wxCHECK_RET( m_widget != NULL, "invalid choice" );
-
-  wxControl::SetFont( font );
-   
-  GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
-  GList *child = menu_shell->children;
-  while (child)
-  {
-    GtkBin *bin = GTK_BIN( child->data );
-    GtkWidget *label = (GtkWidget *) NULL;
-    if (bin->child) label = bin->child;
-    if (!label) label = GTK_BUTTON(m_widget)->child;
-    
-    gtk_widget_set_style( label,
-      gtk_style_ref(
-        gtk_widget_get_style( m_widget ) ) ); 
-       
-    child = child->next;
-  }
+    wxCHECK_MSG( m_widget != NULL, 0, wxT("invalid choice") );
+
+    GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
+    int count = 0;
+    GList *child = menu_shell->children;
+    while (child)
+    {
+        count++;
+        child = child->next;
+    }
+    return count;
+}
+
+void wxChoice::SetSelection( int n )
+{
+    wxCHECK_RET( m_widget != NULL, wxT("invalid choice") );
+
+    int tmp = n;
+    gtk_option_menu_set_history( GTK_OPTION_MENU(m_widget), (gint)tmp );
+}
+
+void wxChoice::ApplyWidgetStyle()
+{
+    SetWidgetStyle();
+
+    GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
+
+    gtk_widget_set_style( m_widget, m_widgetStyle );
+    gtk_widget_set_style( GTK_WIDGET( menu_shell ), m_widgetStyle );
+
+    GList *child = menu_shell->children;
+    while (child)
+    {
+        gtk_widget_set_style( GTK_WIDGET( child->data ), m_widgetStyle );
+
+        GtkBin *bin = GTK_BIN( child->data );
+        GtkWidget *label = (GtkWidget *) NULL;
+        if (bin->child)
+            label = bin->child;
+        if (!label)
+            label = BUTTON_CHILD(m_widget);
+
+        gtk_widget_set_style( label, m_widgetStyle );
+
+        child = child->next;
+    }

 }
 
 }
 

-void wxChoice::SetBackgroundColour( const wxColour &colour )
+size_t wxChoice::GtkAppendHelper(GtkWidget *menu, const wxString& item)

 {
 {

-  return;
-
-  wxCHECK_RET( m_widget != NULL, "invalid choice" );
-
-  wxControl::SetBackgroundColour( colour );
-  
-  if (!m_backgroundColour.Ok()) return;
-  
-  GtkStyle *style = gtk_widget_get_style( m_widget );
-
-  GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
-  
-  gtk_widget_set_style( GTK_WIDGET( menu_shell ), gtk_style_ref( style ) );
-  
-  GList *child = menu_shell->children;
-  while (child)
-  {
-    gtk_widget_set_style( GTK_WIDGET( child->data ), gtk_style_ref( style ) );
-    child = child->next;
-  }
+    GtkWidget *menu_item = gtk_menu_item_new_with_label( wxGTK_CONV( item ) );
+
+    size_t index;
+    if ( m_strings )
+    {
+        // sorted control, need to insert at the correct index
+        index = m_strings->Add(item);
+
+        gtk_menu_insert( GTK_MENU(menu), menu_item, index );
+
+        if ( index )
+        {
+            m_clientList.Insert( m_clientList.Item(index - 1),
+                                 (wxObject*) NULL );
+        }
+        else
+        {
+            m_clientList.Insert( (wxObject*) NULL );
+        }
+    }
+    else
+    {
+        // normal control, just append
+        gtk_menu_append( GTK_MENU(menu), menu_item );
+
+        m_clientList.Append( (wxObject*) NULL );
+
+        // don't call wxChoice::GetCount() from here because it doesn't work
+        // if we're called from ctor (and GtkMenuShell is still NULL)
+        index = m_clientList.GetCount() - 1;
+    }
+
+    if (GTK_WIDGET_REALIZED(m_widget))
+    {
+        gtk_widget_realize( menu_item );
+        gtk_widget_realize( GTK_BIN(menu_item)->child );
+
+        if (m_widgetStyle) ApplyWidgetStyle();
+    }
+
+    gtk_signal_connect( GTK_OBJECT( menu_item ), "activate",
+      GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)this );
+
+    gtk_widget_show( menu_item );
+
+    // return the index of the item in the control
+    return index;

 }
 
 }
 

+wxSize wxChoice::DoGetBestSize() const
+{
+    wxSize ret( wxControl::DoGetBestSize() );
+
+    // we know better our horizontal extent: it depends on the longest string
+    // we have
+    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;
+        }
+
+        // add extra for the choice "=" button
+
+        // VZ: I don't know how to get the right value, it seems to be in
+        //     GtkOptionMenuProps struct from gtkoptionmenu.c but we can't get
+        //     to it - maybe we can use gtk_option_menu_size_request() for this
+        //     somehow?
+        //
+        //     This default value works only for the default GTK+ theme (i.e.
+        //     no theme at all) (FIXME)
+        static const int widthChoiceIndicator = 35;
+        ret.x += widthChoiceIndicator;
+    }
+
+    // but not less than the minimal width
+    if ( ret.x < 80 )
+        ret.x = 80;
+
+    ret.y = 16 + GetCharHeight();
+
+    return ret;
+}

 
 

+#endif // wxUSE_CHOICE