X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6097743abad7f2e67b647546fc0af3889430e37e..24377c46813426a325a209c45bbca0a9e8da054b:/src/mac/carbon/combobox.cpp

diff --git a/src/mac/carbon/combobox.cpp b/src/mac/carbon/combobox.cpp
index 643732eb23..4db3c45a02 100644
--- a/src/mac/carbon/combobox.cpp
+++ b/src/mac/carbon/combobox.cpp
@@ -1,7 +1,7 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        combobox.cpp
+// Name:        src/mac/carbon/combobox.cpp
 // Purpose:     wxComboBox class
-// Author:      Stefan Csomor
+// Author:      Stefan Csomor, Dan "Bud" Keith (composite combobox)
 // Modified by:
 // Created:     1998-01-01
 // RCS-ID:      $Id$
@@ -9,28 +9,39 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-#pragma implementation "combobox.h"
-#endif
+#include "wx/wxprec.h"
+
+#if wxUSE_COMBOBOX
 
 #include "wx/combobox.h"
-#include "wx/button.h"
-#include "wx/menu.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/button.h"
+    #include "wx/menu.h"
+    #include "wx/containr.h"
+    #include "wx/toplevel.h"
+    #include "wx/textctrl.h"
+#endif
+
 #include "wx/mac/uma.h"
 
-#if !USE_SHARED_LIBRARY
 IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl)
-#endif
 
-// composite combobox implementation by Dan "Bud" Keith bud@otsys.com
+WX_DELEGATE_TO_CONTROL_CONTAINER(wxComboBox, wxControl)
+
+BEGIN_EVENT_TABLE(wxComboBox, wxControl)
+    WX_EVENT_TABLE_CONTROL_CONTAINER(wxComboBox)
+END_EVENT_TABLE()
 
 
 static int nextPopUpMenuId = 1000 ;
-MenuHandle NewUniqueMenu() 
+
+MenuHandle NewUniqueMenu()
 {
-  MenuHandle handle = NewMenu( nextPopUpMenuId , "\pMenu" ) ;
-  nextPopUpMenuId++ ;
-  return handle ;
+    MenuHandle handle = UMANewMenu(nextPopUpMenuId, wxString(wxT("Menu")), wxFont::GetDefaultEncoding() );
+    nextPopUpMenuId++ ;
+
+    return handle ;
 }
 
 
@@ -39,13 +50,11 @@ MenuHandle NewUniqueMenu()
 // ----------------------------------------------------------------------------
 
 // the margin between the text control and the choice
-static const wxCoord MARGIN = 2;
-#if TARGET_API_MAC_OSX
-static const int    POPUPWIDTH = 24;
-#else
-static const int    POPUPWIDTH = 18;
-#endif
-static const int    POPUPHEIGHT = 23;
+// margin should be bigger on OS X due to blue highlight
+// around text control.
+static const wxCoord MARGIN = 4;
+// this is the border a focus rect on OSX is needing
+static const int    TEXTFOCUSBORDER = 3 ;
 
 
 // ----------------------------------------------------------------------------
@@ -59,69 +68,86 @@ public:
         : wxTextCtrl( cb , 1 )
     {
         m_cb = cb;
+        SetTriggerOnSetValue( false );
     }
 
 protected:
     void OnChar( wxKeyEvent& event )
     {
-        if ( event.GetKeyCode() == WXK_RETURN )
+        // Allows processing the tab key to go to the next control
+        if (event.GetKeyCode() == WXK_TAB)
         {
-            wxString value = GetValue();
-
-            if ( m_cb->GetCount() == 0 )
-            {
-                // make Enter generate "selected" event if there is only one item
-                // in the combobox - without it, it's impossible to select it at
-                // all!
-                wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, m_cb->GetId() );
-                event.SetInt( 0 );
-                event.SetString( value );
-                event.SetEventObject( m_cb );
-                m_cb->GetEventHandler()->ProcessEvent( event );
-            }
-            else
-            {
-                // add the item to the list if it's not there yet
-                if ( m_cb->FindString(value) == wxNOT_FOUND )
-                {
-                    m_cb->Append(value);
-                    m_cb->SetStringSelection(value);
-
-                    // and generate the selected event for it
-                    wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, m_cb->GetId() );
-                    event.SetInt( m_cb->GetCount() - 1 );
-                    event.SetString( value );
-                    event.SetEventObject( m_cb );
-                    m_cb->GetEventHandler()->ProcessEvent( event );
-                }
+            wxNavigationKeyEvent NavEvent;
+            NavEvent.SetEventObject(this);
+            NavEvent.SetDirection(true);
+            NavEvent.SetWindowChange(false);
+
+            // Get the parent of the combo and have it process the navigation?
+            if (m_cb->GetParent()->HandleWindowEvent(NavEvent))
+                    return;
+        }
 
-                // This will invoke the dialog default action, such
-                // as the clicking the default button.
+        // send the event to the combobox class in case the user has bound EVT_CHAR
+        wxKeyEvent kevt(event);
+        kevt.SetEventObject(m_cb);
+        if (m_cb->HandleWindowEvent(kevt))
+            // If the event was handled and not skipped then we're done
+            return;
 
-                wxWindow *parent = GetParent();
-                while( parent && !parent->IsTopLevel() && parent->GetDefaultItem() == NULL ) {
-                    parent = parent->GetParent() ;
-                }
-                if ( parent && parent->GetDefaultItem() )
+        if ( event.GetKeyCode() == WXK_RETURN )
+        {
+            wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_cb->GetId());
+            event.SetString( GetValue() );
+            event.SetInt( m_cb->GetSelection() );
+            event.SetEventObject( m_cb );
+
+            // This will invoke the dialog default action,
+            // such as the clicking the default button.
+            if (!m_cb->HandleWindowEvent( event ))
+            {
+                wxTopLevelWindow *tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow);
+                if ( tlw && tlw->GetDefaultItem() )
                 {
-                    wxButton *def = wxDynamicCast(parent->GetDefaultItem(),
-                                                          wxButton);
+                    wxButton *def = wxDynamicCast(tlw->GetDefaultItem(), wxButton);
                     if ( def && def->IsEnabled() )
                     {
-                        wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, def->GetId() );
+                        wxCommandEvent event( wxEVT_COMMAND_BUTTON_CLICKED, def->GetId() );
                         event.SetEventObject(def);
                         def->Command(event);
-                        return ;
-                   }
+                    }
                 }
 
                 return;
             }
         }
-        
+
         event.Skip();
     }
 
+    void OnKeyUp( wxKeyEvent& event )
+    {
+        event.SetEventObject(m_cb);
+        event.SetId(m_cb->GetId());
+        if (! m_cb->HandleWindowEvent(event))
+            event.Skip();
+    }
+
+    void OnKeyDown( wxKeyEvent& event )
+    {
+        event.SetEventObject(m_cb);
+        event.SetId(m_cb->GetId());
+        if (! m_cb->HandleWindowEvent(event))
+            event.Skip();
+    }
+
+    void OnText( wxCommandEvent& event )
+    {
+        event.SetEventObject(m_cb);
+        event.SetId(m_cb->GetId());
+        if (! m_cb->HandleWindowEvent(event))
+            event.Skip();
+    }
+
 private:
     wxComboBox *m_cb;
 
@@ -129,18 +155,34 @@ private:
 };
 
 BEGIN_EVENT_TABLE(wxComboBoxText, wxTextCtrl)
-    EVT_CHAR( wxComboBoxText::OnChar)
+    EVT_KEY_DOWN(wxComboBoxText::OnKeyDown)
+    EVT_CHAR(wxComboBoxText::OnChar)
+    EVT_KEY_UP(wxComboBoxText::OnKeyUp)
+    EVT_TEXT(wxID_ANY, wxComboBoxText::OnText)
 END_EVENT_TABLE()
 
 class wxComboBoxChoice : public wxChoice
 {
 public:
-    wxComboBoxChoice(wxComboBox *cb, int style)
-        : wxChoice( cb , 1 )
+    wxComboBoxChoice( wxComboBox *cb, int style )
+        : wxChoice( cb , 1 , wxDefaultPosition , wxDefaultSize , 0 , NULL , style & (wxCB_SORT) )
     {
         m_cb = cb;
     }
 
+    int GetPopupWidth() const
+    {
+        switch ( GetWindowVariant() )
+        {
+            case wxWINDOW_VARIANT_NORMAL :
+            case wxWINDOW_VARIANT_LARGE :
+                return 24 ;
+
+            default :
+                return 21 ;
+        }
+    }
+
 protected:
     void OnChoice( wxCommandEvent& e )
     {
@@ -152,65 +194,87 @@ protected:
         event2.SetEventObject(m_cb);
         event2.SetString(m_cb->GetStringSelection());
         m_cb->ProcessCommand(event2);
+
+        // For consistency with MSW and GTK, also send a text updated event
+        // After all, the text is updated when a selection is made
+        wxCommandEvent TextEvent( wxEVT_COMMAND_TEXT_UPDATED, m_cb->GetId() );
+        TextEvent.SetString( m_cb->GetStringSelection() );
+        TextEvent.SetEventObject( m_cb );
+        m_cb->ProcessCommand( TextEvent );
     }
+
     virtual wxSize DoGetBestSize() const
     {
         wxSize sz = wxChoice::DoGetBestSize() ;
-        sz.x = POPUPWIDTH ;
+        if (! m_cb->HasFlag(wxCB_READONLY) )
+            sz.x = GetPopupWidth() ;
+
         return sz ;
-    }  
+    }
 
 private:
     wxComboBox *m_cb;
 
+    friend class wxComboBox;
+
     DECLARE_EVENT_TABLE()
 };
 
 BEGIN_EVENT_TABLE(wxComboBoxChoice, wxChoice)
-    EVT_CHOICE(-1, wxComboBoxChoice::OnChoice)
+    EVT_CHOICE(wxID_ANY, wxComboBoxChoice::OnChoice)
 END_EVENT_TABLE()
 
 wxComboBox::~wxComboBox()
 {
-    // delete client objects
-    FreeData();
-
     // delete the controls now, don't leave them alive even though they would
     // still be eventually deleted by our parent - but it will be too late, the
     // user code expects them to be gone now
-    if (m_text != NULL) {
+    if (m_text != NULL)
+    {
         delete m_text;
         m_text = NULL;
     }
-    if (m_choice != NULL) {
+
+    if (m_choice != NULL)
+    {
         delete m_choice;
         m_choice = NULL;
     }
 }
 
-
 // ----------------------------------------------------------------------------
 // geometry
 // ----------------------------------------------------------------------------
 
 wxSize wxComboBox::DoGetBestSize() const
 {
+    if (!m_choice && !m_text)
+        return GetSize();
+
     wxSize size = m_choice->GetBestSize();
-    
+
     if ( m_text != NULL )
     {
         wxSize  sizeText = m_text->GetBestSize();
-        
-        size.x = POPUPWIDTH + sizeText.x + MARGIN;
+        if (sizeText.y > size.y)
+            size.y = sizeText.y;
+
+        size.x = m_choice->GetPopupWidth() + sizeText.x + MARGIN;
+        size.x += TEXTFOCUSBORDER ;
+        size.y += 2 * TEXTFOCUSBORDER ;
+    }
+    else
+    {
+        // clipping is too tight
+        size.y += 1 ;
     }
 
     return size;
 }
 
-void wxComboBox::DoMoveWindow(int x, int y, int width, int height) {
-    height = POPUPHEIGHT;
-    
-    wxControl::DoMoveWindow(x, y, width, height);
+void wxComboBox::DoMoveWindow(int x, int y, int width, int height)
+{
+    wxControl::DoMoveWindow( x, y, width , height );
 
     if ( m_text == NULL )
     {
@@ -220,13 +284,13 @@ void wxComboBox::DoMoveWindow(int x, int y, int width, int height) {
     }
     else
     {
-        wxCoord wText = width - POPUPWIDTH - MARGIN;
-        m_text->SetSize(0, 0, wText, height);
-        m_choice->SetSize(0 + wText + MARGIN, 0, POPUPWIDTH, -1);
-    }    
-}
-
+        wxCoord wText = width - m_choice->GetPopupWidth() - MARGIN;
+        m_text->SetSize(TEXTFOCUSBORDER, TEXTFOCUSBORDER, wText, -1);
 
+        // put it at an inset of 1 to have outer area shadows drawn as well
+        m_choice->SetSize(TEXTFOCUSBORDER + wText + MARGIN - 1 , TEXTFOCUSBORDER, m_choice->GetPopupWidth() , -1);
+    }
+}
 
 // ----------------------------------------------------------------------------
 // operations forwarded to the subcontrols
@@ -235,72 +299,74 @@ void wxComboBox::DoMoveWindow(int x, int y, int width, int height) {
 bool wxComboBox::Enable(bool enable)
 {
     if ( !wxControl::Enable(enable) )
-        return FALSE;
+        return false;
+
+    if (m_text)
+        m_text->Enable(enable);
 
-    return TRUE;
+    return true;
 }
 
 bool wxComboBox::Show(bool show)
 {
     if ( !wxControl::Show(show) )
-        return FALSE;
-
-    return TRUE;
-}
+        return false;
 
-void wxComboBox::SetFocus()
-{
-    if ( m_text != NULL) {
-        m_text->SetFocus();
-    }
+    return true;
 }
 
-
 void wxComboBox::DelegateTextChanged( const wxString& value )
 {
     SetStringSelection( value );
 }
 
-
 void wxComboBox::DelegateChoice( const wxString& value )
 {
     SetStringSelection( value );
 }
 
+void wxComboBox::Init()
+{
+    WX_INIT_CONTROL_CONTAINER();
+}
 
-bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
-           const wxString& value,
-           const wxPoint& pos,
-           const wxSize& size,
-           const wxArrayString& choices,
-           long style,
-           const wxValidator& validator,
-           const wxString& name)
+bool wxComboBox::Create(wxWindow *parent,
+    wxWindowID id,
+    const wxString& value,
+    const wxPoint& pos,
+    const wxSize& size,
+    const wxArrayString& choices,
+    long style,
+    const wxValidator& validator,
+    const wxString& name)
 {
-    wxCArrayString chs( choices );
+    if ( !Create( parent, id, value, pos, size, 0, NULL,
+                   style, validator, name ) )
+        return false;
 
-    return Create( parent, id, value, pos, size, chs.GetCount(),
-                   chs.GetStrings(), style, validator, name );
-}
+    Append(choices);
 
+    return true;
+}
 
-bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
-           const wxString& value,
-           const wxPoint& pos,
-           const wxSize& size,
-           int n, const wxString choices[],
-           long style,
-           const wxValidator& validator,
-           const wxString& name)
+bool wxComboBox::Create(wxWindow *parent,
+    wxWindowID id,
+    const wxString& value,
+    const wxPoint& pos,
+    const wxSize& size,
+    int n,
+    const wxString choices[],
+    long style,
+    const wxValidator& validator,
+    const wxString& name)
 {
     if ( !wxControl::Create(parent, id, wxDefaultPosition, wxDefaultSize, style ,
-                            wxDefaultValidator, name) )
+                            validator, name) )
     {
-        return FALSE;
+        return false;
     }
 
     m_choice = new wxComboBoxChoice(this, style );
-    m_choice->SetSizeHints( wxSize( POPUPWIDTH , POPUPHEIGHT ) ) ;
     wxSize csize = size;
     if ( style & wxCB_READONLY )
     {
@@ -309,72 +375,77 @@ bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
     else
     {
         m_text = new wxComboBoxText(this);
-        if ( size.y == -1 ) {
-          csize.y = m_text->GetSize().y ;
+        if ( size.y == -1 )
+        {
+            csize.y = m_text->GetSize().y ;
+            csize.y += 2 * TEXTFOCUSBORDER ;
         }
     }
-    
+
     DoSetSize(pos.x, pos.y, csize.x, csize.y);
-    
-    for ( int i = 0 ; i < n ; i++ )
-    {
-        m_choice->DoAppend( choices[ i ] );
-    }
 
-    SetBestSize(csize);   // Needed because it is a wxControlWithItems
+    Append( n, choices );
 
-    return TRUE;
+    // Needed because it is a wxControlWithItems
+    SetInitialSize(size);
+    SetStringSelection(value);
+
+    return true;
 }
 
 wxString wxComboBox::GetValue() const
 {
     wxString        result;
-    
+
     if ( m_text == NULL )
-    {
         result = m_choice->GetString( m_choice->GetSelection() );
-    }
     else
-    {
         result = m_text->GetValue();
-    }
 
     return result;
 }
 
+unsigned int wxComboBox::GetCount() const
+{
+    return m_choice->GetCount() ;
+}
+
 void wxComboBox::SetValue(const wxString& value)
 {
-    int s = FindString (value);
-    if (s == wxNOT_FOUND && !HasFlag(wxCB_READONLY) )
-    {
-        m_choice->Append(value) ;
-    }
-    SetStringSelection( value ) ;
+    if ( HasFlag(wxCB_READONLY) )
+        SetStringSelection( value ) ;
+    else
+        m_text->SetValue( value );
+}
+
+void wxComboBox::WriteText(const wxString& text)
+{
+    m_text->WriteText(text);
+}
+
+void wxComboBox::GetSelection(long *from, long *to) const
+{
+    m_text->GetSelection(from, to);
 }
 
 // Clipboard operations
+
 void wxComboBox::Copy()
 {
     if ( m_text != NULL )
-    {
         m_text->Copy();
-    }
 }
 
 void wxComboBox::Cut()
 {
     if ( m_text != NULL )
-    {
         m_text->Cut();
-    }
 }
 
 void wxComboBox::Paste()
 {
     if ( m_text != NULL )
-    {
         m_text->Paste();
-    }
 }
 
 void wxComboBox::SetEditable(bool editable)
@@ -391,7 +462,7 @@ void wxComboBox::SetEditable(bool editable)
 
     int currentX, currentY;
     GetPosition( &currentX, &currentY );
-    
+
     int currentW, currentH;
     GetSize( &currentW, &currentH );
 
@@ -400,95 +471,84 @@ void wxComboBox::SetEditable(bool editable)
 
 void wxComboBox::SetInsertionPoint(long pos)
 {
-    // TODO
+    if ( m_text )
+        m_text->SetInsertionPoint(pos);
 }
 
 void wxComboBox::SetInsertionPointEnd()
 {
-    // TODO
+    if ( m_text )
+        m_text->SetInsertionPointEnd();
 }
 
 long wxComboBox::GetInsertionPoint() const
 {
-    // TODO
+    if ( m_text )
+        return m_text->GetInsertionPoint();
     return 0;
 }
 
-long wxComboBox::GetLastPosition() const
+wxTextPos wxComboBox::GetLastPosition() const
 {
-    // TODO
+    if ( m_text )
+        return m_text->GetLastPosition();
     return 0;
 }
 
 void wxComboBox::Replace(long from, long to, const wxString& value)
 {
-    // TODO
+    if ( m_text )
+        m_text->Replace(from,to,value);
 }
 
 void wxComboBox::Remove(long from, long to)
 {
-    // TODO
+    if ( m_text )
+        m_text->Remove(from,to);
 }
 
 void wxComboBox::SetSelection(long from, long to)
 {
-    // TODO
-}
-
-int wxComboBox::DoAppend(const wxString& item) 
-{
-    return m_choice->DoAppend( item ) ;
+    if ( m_text )
+        m_text->SetSelection(from,to);
 }
 
-int wxComboBox::DoInsert(const wxString& item, int pos) 
+int wxComboBox::DoInsertItems(const wxArrayStringsAdapter& items,
+                              unsigned int pos,
+                              void **clientData,
+                              wxClientDataType type)
 {
-    return m_choice->DoInsert( item , pos ) ;
+    return m_choice->DoInsertItems(items, pos, clientData, type);
 }
 
-void wxComboBox::DoSetItemClientData(int n, void* clientData) 
+void wxComboBox::DoSetItemClientData(unsigned int n, void* clientData)
 {
     return m_choice->DoSetItemClientData( n , clientData ) ;
 }
 
-void* wxComboBox::DoGetItemClientData(int n) const
+void* wxComboBox::DoGetItemClientData(unsigned int n) const
 {
     return m_choice->DoGetItemClientData( n ) ;
 }
 
-void wxComboBox::DoSetItemClientObject(int n, wxClientData* clientData)
+wxClientDataType wxComboBox::GetClientDataType() const
 {
-    return m_choice->DoSetItemClientObject( n , clientData ) ;
+    return m_choice->GetClientDataType();
 }
 
-wxClientData* wxComboBox::DoGetItemClientObject(int n) const 
+void wxComboBox::SetClientDataType(wxClientDataType clientDataItemsType)
 {
-    return m_choice->DoGetItemClientObject( n ) ;
-}
-
-void wxComboBox::FreeData()
-{
-    if ( HasClientObjectData() )
-    {
-        size_t count = GetCount();
-        for ( size_t n = 0; n < count; n++ )
-        {
-            SetClientObject( n, NULL );
-        }
-    }
+    m_choice->SetClientDataType(clientDataItemsType);
 }
 
-void wxComboBox::Delete(int n)
+void wxComboBox::DoDeleteOneItem(unsigned int n)
 {
-    // force client object deletion
-    if( HasClientObjectData() )
-        SetClientObject( n, NULL );
-    m_choice->Delete( n );
+    m_choice->DoDeleteOneItem( n );
 }
 
-void wxComboBox::Clear()
+void wxComboBox::DoClear()
 {
-    FreeData();
-    m_choice->Clear();
+    m_choice->DoClear();
 }
 
 int wxComboBox::GetSelection() const
@@ -499,57 +559,110 @@ int wxComboBox::GetSelection() const
 void wxComboBox::SetSelection(int n)
 {
     m_choice->SetSelection( n );
-    
+
     if ( m_text != NULL )
-    {
-        m_text->SetValue( GetString( n ) );
-    }
+        m_text->SetValue(n != wxNOT_FOUND ? GetString(n) : wxString(wxEmptyString));
 }
 
-int wxComboBox::FindString(const wxString& s) const
+int wxComboBox::FindString(const wxString& s, bool bCase) const
 {
-    return m_choice->FindString( s );
+    return m_choice->FindString( s, bCase );
 }
 
-wxString wxComboBox::GetString(int n) const
+wxString wxComboBox::GetString(unsigned int n) const
 {
     return m_choice->GetString( n );
 }
 
 wxString wxComboBox::GetStringSelection() const
 {
-    int sel = GetSelection ();
-    if (sel > -1)
-        return wxString(this->GetString (sel));
+    int sel = GetSelection();
+    if (sel != wxNOT_FOUND)
+        return wxString(this->GetString((unsigned int)sel));
     else
         return wxEmptyString;
 }
 
-bool wxComboBox::SetStringSelection(const wxString& sel)
+void wxComboBox::SetString(unsigned int n, const wxString& s)
 {
-    int s = FindString (sel);
-    if (s > -1)
-        {
-            SetSelection (s);
-            return TRUE;
-        }
+    m_choice->SetString( n , s );
+}
+
+bool wxComboBox::IsEditable() const
+{
+    return m_text != NULL && !HasFlag(wxCB_READONLY);
+}
+
+void wxComboBox::Undo()
+{
+    if (m_text != NULL)
+        m_text->Undo();
+}
+
+void wxComboBox::Redo()
+{
+    if (m_text != NULL)
+        m_text->Redo();
+}
+
+void wxComboBox::SelectAll()
+{
+    if (m_text != NULL)
+        m_text->SelectAll();
+}
+
+bool wxComboBox::CanCopy() const
+{
+    if (m_text != NULL)
+        return m_text->CanCopy();
+    else
+        return false;
+}
+
+bool wxComboBox::CanCut() const
+{
+    if (m_text != NULL)
+        return m_text->CanCut();
     else
-        return FALSE;
+        return false;
 }
 
-void wxComboBox::SetString(int n, const wxString& s) 
+bool wxComboBox::CanPaste() const
 {
-    m_choice->SetString( n , s ) ;
+    if (m_text != NULL)
+        return m_text->CanPaste();
+    else
+        return false;
 }
 
+bool wxComboBox::CanUndo() const
+{
+    if (m_text != NULL)
+        return m_text->CanUndo();
+    else
+        return false;
+}
 
-wxInt32 wxComboBox::MacControlHit(WXEVENTHANDLERREF WXUNUSED(handler) , WXEVENTREF WXUNUSED(event) ) 
+bool wxComboBox::CanRedo() const
 {
+    if (m_text != NULL)
+        return m_text->CanRedo();
+    else
+        return false;
+}
+
+wxInt32 wxComboBox::MacControlHit( WXEVENTHANDLERREF WXUNUSED(handler) , WXEVENTREF WXUNUSED(event) )
+{
+/*
+    For consistency with other platforms, clicking in the text area does not constitute a selection
     wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_SELECTED, m_windowId );
     event.SetInt(GetSelection());
     event.SetEventObject(this);
     event.SetString(GetStringSelection());
     ProcessCommand(event);
+*/
+
     return noErr ;
 }
 
+#endif // wxUSE_COMBOBOX