X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/46cc7c4e64bd885818aa6022e182fce4d2ca6992..80a779275ae04443c568dca919adb26cf6f5002c:/src/mac/carbon/combobxc.cpp

diff --git a/src/mac/carbon/combobxc.cpp b/src/mac/carbon/combobxc.cpp
index e0549c540a..dc03529a98 100644
--- a/src/mac/carbon/combobxc.cpp
+++ b/src/mac/carbon/combobxc.cpp
@@ -1,6 +1,6 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        combobox.cpp
-// Purpose:     wxComboBox class
+// Name:        src/mac/carbon/combobxc.cpp
+// Purpose:     wxComboBox class using HIView ComboBox
 // Author:      Stefan Csomor
 // Modified by:
 // Created:     1998-01-01
@@ -9,34 +9,80 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-#pragma implementation "combobox.h"
-#endif
+#include "wx/wxprec.h"
 
 #include "wx/combobox.h"
-#include "wx/button.h"
-#include "wx/menu.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/button.h"
+    #include "wx/menu.h"
+#endif
+
 #include "wx/mac/uma.h"
+#if TARGET_API_MAC_OSX
 #ifndef __HIVIEW__
-	#include <HIToolbox/HIView.h>
+    #include <HIToolbox/HIView.h>
+#endif
 #endif
 
-#if !USE_SHARED_LIBRARY
 IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl)
+
+#if TARGET_API_MAC_OSX
+#define USE_HICOMBOBOX 1 //use hi combobox define
+#else
+#define USE_HICOMBOBOX 0
 #endif
 
-// composite combobox implementation by Dan "Bud" Keith bud@otsys.com
+static int nextPopUpMenuId = 1000;
+MenuHandle NewUniqueMenu()
+{
+  MenuHandle handle = NewMenu( nextPopUpMenuId , "\pMenu" );
+  nextPopUpMenuId++;
+  return handle;
+}
 
-#define USE_HICOMBOBOX 1 //use hi combobox define
+#if USE_HICOMBOBOX
+static const EventTypeSpec eventList[] =
+{
+    { kEventClassTextField , kEventTextAccepted } ,
+};
 
-static int nextPopUpMenuId = 1000 ;
-MenuHandle NewUniqueMenu() 
+static pascal OSStatus wxMacComboBoxEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
 {
-  MenuHandle handle = NewMenu( nextPopUpMenuId , "\pMenu" ) ;
-  nextPopUpMenuId++ ;
-  return handle ;
+    OSStatus result = eventNotHandledErr;
+    wxComboBox* cb = (wxComboBox*) data;
+
+    wxMacCarbonEvent cEvent( event );
+
+    switch( cEvent.GetClass() )
+    {
+        case kEventClassTextField :
+            switch( cEvent.GetKind() )
+            {
+                case kEventTextAccepted :
+                    {
+                        wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, cb->GetId() );
+                        event.SetInt( cb->GetSelection() );
+                        event.SetString( cb->GetStringSelection() );
+                        event.SetEventObject( cb );
+                        cb->GetEventHandler()->ProcessEvent( event );
+                    }
+                    break;
+                default :
+                    break;
+            }
+            break;
+        default :
+            break;
+    }
+
+
+    return result;
 }
 
+DEFINE_ONE_SHOT_HANDLER_GETTER( wxMacComboBoxEventHandler )
+
+#endif
 
 // ----------------------------------------------------------------------------
 // constants
@@ -101,27 +147,23 @@ protected:
                 // This will invoke the dialog default action, such
                 // as the clicking the default button.
 
-                wxWindow *parent = GetParent();
-                while( parent && !parent->IsTopLevel() && parent->GetDefaultItem() == NULL ) {
-                    parent = parent->GetParent() ;
-                }
-                if ( parent && parent->GetDefaultItem() )
+                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() );
                         event.SetEventObject(def);
                         def->Command(event);
-                        return ;
-                   }
+                        return;
+                    }
                 }
 
                 return;
             }
         }
-        
+
         event.Skip();
     }
 private:
@@ -157,10 +199,10 @@ protected:
     }
     virtual wxSize DoGetBestSize() const
     {
-        wxSize sz = wxChoice::DoGetBestSize() ;
-        sz.x = POPUPWIDTH ;
-        return sz ;
-    }  
+        wxSize sz = wxChoice::DoGetBestSize();
+        sz.x = POPUPWIDTH;
+        return sz;
+    }
 
 private:
     wxComboBox *m_cb;
@@ -169,7 +211,7 @@ private:
 };
 
 BEGIN_EVENT_TABLE(wxComboBoxChoice, wxChoice)
-    EVT_CHOICE(-1, wxComboBoxChoice::OnChoice)
+    EVT_CHOICE(wxID_ANY, wxComboBoxChoice::OnChoice)
 END_EVENT_TABLE()
 
 wxComboBox::~wxComboBox()
@@ -198,14 +240,14 @@ wxComboBox::~wxComboBox()
 wxSize wxComboBox::DoGetBestSize() const
 {
 #if USE_HICOMBOBOX
-	return wxControl::DoGetBestSize();
+    return wxControl::DoGetBestSize();
 #else
     wxSize size = m_choice->GetBestSize();
-    
+
     if ( m_text != NULL )
     {
         wxSize  sizeText = m_text->GetBestSize();
-        
+
         size.x = POPUPWIDTH + sizeText.x + MARGIN;
     }
 
@@ -215,25 +257,25 @@ wxSize wxComboBox::DoGetBestSize() const
 
 void wxComboBox::DoMoveWindow(int x, int y, int width, int height) {
 #if USE_HICOMBOBOX
-	wxControl::DoMoveWindow(x, y, width, height);
+    wxControl::DoMoveWindow(x, y, width, height);
 #else
     height = POPUPHEIGHT;
-    
+
     wxControl::DoMoveWindow(x, y, width, height);
 
     if ( m_text == NULL )
     {
         // we might not be fully constructed yet, therefore watch out...
         if ( m_choice )
-            m_choice->SetSize(0, 0 , width, -1);
+            m_choice->SetSize(0, 0 , width, wxDefaultCoord);
     }
     else
     {
         wxCoord wText = width - POPUPWIDTH - MARGIN;
         m_text->SetSize(0, 0, wText, height);
-        m_choice->SetSize(0 + wText + MARGIN, 0, POPUPWIDTH, -1);
+        m_choice->SetSize(0 + wText + MARGIN, 0, POPUPWIDTH, wxDefaultCoord);
     }
-#endif    
+#endif
 }
 
 
@@ -245,23 +287,23 @@ void wxComboBox::DoMoveWindow(int x, int y, int width, int height) {
 bool wxComboBox::Enable(bool enable)
 {
     if ( !wxControl::Enable(enable) )
-        return FALSE;
+        return false;
 
-    return TRUE;
+    return true;
 }
 
 bool wxComboBox::Show(bool show)
 {
     if ( !wxControl::Show(show) )
-        return FALSE;
+        return false;
 
-    return TRUE;
+    return true;
 }
 
 void wxComboBox::SetFocus()
 {
 #if USE_HICOMBOBOX
-	wxControl::SetFocus();
+    wxControl::SetFocus();
 #else
     if ( m_text != NULL) {
         m_text->SetFocus();
@@ -310,51 +352,57 @@ bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
     m_text = NULL;
     m_choice = NULL;
 #if USE_HICOMBOBOX
-    m_macIsUserPane = FALSE ;
+    m_macIsUserPane = false;
 #endif
     if ( !wxControl::Create(parent, id, wxDefaultPosition, wxDefaultSize, style ,
                             wxDefaultValidator, name) )
     {
-        return FALSE;
+        return false;
     }
 #if USE_HICOMBOBOX
-    Rect bounds = wxMacGetBoundsForControl( this , pos , size ) ;
+    Rect bounds = wxMacGetBoundsForControl( this , pos , size );
     HIRect hiRect;
-    
+
     hiRect.origin.x = 20; //bounds.left;
     hiRect.origin.y = 25; //bounds.top;
     hiRect.size.width = 120;// bounds.right - bounds.left;
-    hiRect.size.height = 24; 
-	
+    hiRect.size.height = 24;
+
     //For some reason, this code causes the combo box not to be displayed at all.
     //hiRect.origin.x = bounds.left;
     //hiRect.origin.y = bounds.top;
     //hiRect.size.width = bounds.right - bounds.left;
     //hiRect.size.height = bounds.bottom - bounds.top;
     //printf("left = %d, right = %d, top = %d, bottom = %d\n", bounds.left, bounds.right, bounds.top, bounds.bottom);
-	//printf("x = %d, y = %d, width = %d, height = %d\n", hibounds.origin.x, hibounds.origin.y, hibounds.size.width, hibounds.size.height);
-    verify_noerr( HIComboBoxCreate( &hiRect, CFSTR(""), NULL, NULL, kHIComboBoxStandardAttributes, (HIViewRef*) &m_macControl) );
+    //printf("x = %d, y = %d, width = %d, height = %d\n", hibounds.origin.x, hibounds.origin.y, hibounds.size.width, hibounds.size.height);
+    m_peer = new wxMacControl(this);
+    verify_noerr( HIComboBoxCreate( &hiRect, CFSTR(""), NULL, NULL, kHIComboBoxStandardAttributes, m_peer->GetControlRefAddr() ) );
+
 
-    SetControl32BitMinimum( (ControlRef) m_macControl , 0 ) ;
-    SetControl32BitMaximum( (ControlRef) m_macControl , 100) ;
+    m_peer->SetMinimum( 0 );
+    m_peer->SetMaximum( 100);
     if ( n > 0 )
-        SetControl32BitValue( (ControlRef) m_macControl , 1 ) ;
-    
-    MacPostControlCreate(pos,size) ;
-    
-    for ( int i = 0 ; i < n ; i++ )
+        m_peer->SetValue( 1 );
+
+    MacPostControlCreate(pos,size);
+
+    for ( int i = 0; i < n; i++ )
     {
         DoAppend( choices[ i ] );
     }
-    
-    HIViewSetVisible( (HIViewRef) m_macControl, true );
+
+    HIViewSetVisible( m_peer->GetControlRef(), true );
     SetSelection(0);
+    EventHandlerRef comboEventHandler;
+    InstallControlEventHandler( m_peer->GetControlRef(), GetwxMacComboBoxEventHandlerUPP(),
+        GetEventTypeCount(eventList), eventList, this,
+        (EventHandlerRef *)&comboEventHandler);
 #else
     m_choice = new wxComboBoxChoice(this, style );
 
     m_choice = new wxComboBoxChoice(this, style );
-    m_choice->SetSizeHints( wxSize( POPUPWIDTH , POPUPHEIGHT ) ) ;
-    
+    m_choice->SetSizeHints( wxSize( POPUPWIDTH , POPUPHEIGHT ) );
+
     wxSize csize = size;
     if ( style & wxCB_READONLY )
     {
@@ -363,32 +411,32 @@ 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 == wxDefaultCoord ) {
+          csize.y = m_text->GetSize().y;
         }
     }
-    
+
     DoSetSize(pos.x, pos.y, csize.x, csize.y);
-    
-    for ( int i = 0 ; i < n ; i++ )
+
+    for ( int i = 0; i < n; i++ )
     {
         m_choice->DoAppend( choices[ i ] );
     }
     SetBestSize(csize);   // Needed because it is a wxControlWithItems
 #endif
 
-    return TRUE;
+    return true;
 }
 
 wxString wxComboBox::GetValue() const
 {
 #if USE_HICOMBOBOX
     CFStringRef myString;
-    HIComboBoxCopyTextItemAtIndex( (HIViewRef) m_macControl, (CFIndex)GetSelection(), &myString );
+    HIComboBoxCopyTextItemAtIndex( m_peer->GetControlRef(), (CFIndex)GetSelection(), &myString );
     return wxMacCFStringHolder( myString, m_font.GetEncoding() ).AsString();
 #else
     wxString        result;
-    
+
     if ( m_text == NULL )
     {
         result = m_choice->GetString( m_choice->GetSelection() );
@@ -397,7 +445,7 @@ wxString wxComboBox::GetValue() const
     {
         result = m_text->GetValue();
     }
-    
+
     return result;
 #endif
 }
@@ -405,14 +453,14 @@ wxString wxComboBox::GetValue() const
 void wxComboBox::SetValue(const wxString& value)
 {
 #if USE_HICOMBOBOX
-    
+
 #else
     int s = FindString (value);
     if (s == wxNOT_FOUND && !HasFlag(wxCB_READONLY) )
     {
-        m_choice->Append(value) ;
+        m_choice->Append(value);
     }
-    SetStringSelection( value ) ;
+    SetStringSelection( value );
 #endif
 }
 
@@ -455,7 +503,7 @@ void wxComboBox::SetEditable(bool editable)
 
     int currentX, currentY;
     GetPosition( &currentX, &currentY );
-    
+
     int currentW, currentH;
     GetSize( &currentW, &currentH );
 
@@ -478,7 +526,7 @@ long wxComboBox::GetInsertionPoint() const
     return 0;
 }
 
-long wxComboBox::GetLastPosition() const
+wxTextPos wxComboBox::GetLastPosition() const
 {
     // TODO
     return 0;
@@ -499,91 +547,91 @@ void wxComboBox::SetSelection(long from, long to)
     // TODO
 }
 
-int wxComboBox::DoAppend(const wxString& item) 
+int wxComboBox::DoAppend(const wxString& item)
 {
 #if USE_HICOMBOBOX
     CFIndex outIndex;
-    HIComboBoxAppendTextItem( (HIViewRef) m_macControl, wxMacCFStringHolder( item, m_font.GetEncoding() ), &outIndex );
-    //SetControl32BitMaximum( (HIViewRef) m_macControl, GetCount() );
+    HIComboBoxAppendTextItem( m_peer->GetControlRef(), wxMacCFStringHolder( item, m_font.GetEncoding() ), &outIndex );
+    //SetControl32BitMaximum( m_peer->GetControlRef(), GetCount() );
     return (int) outIndex;
 #else
-    return m_choice->DoAppend( item ) ;
+    return m_choice->DoAppend( item );
 #endif
 }
 
-int wxComboBox::DoInsert(const wxString& item, int pos) 
+int wxComboBox::DoInsert(const wxString& item, unsigned int pos)
 {
 #if USE_HICOMBOBOX
-    HIComboBoxInsertTextItemAtIndex( (HIViewRef) m_macControl, (CFIndex)pos, wxMacCFStringHolder(item, m_font.GetEncoding()) );
-    
-    //SetControl32BitMaximum( (HIViewRef) m_macControl, GetCount() );
-    
+    HIComboBoxInsertTextItemAtIndex( m_peer->GetControlRef(), (CFIndex)pos, wxMacCFStringHolder(item, m_font.GetEncoding()) );
+
+    //SetControl32BitMaximum( m_peer->GetControlRef(), GetCount() );
+
     return pos;
 #else
-    return m_choice->DoInsert( item , pos ) ;
+    return m_choice->DoInsert( item , pos );
 #endif
 }
 
-void wxComboBox::DoSetItemClientData(int n, void* clientData) 
+void wxComboBox::DoSetItemClientData(unsigned int n, void* clientData)
 {
 #if USE_HICOMBOBOX
     return; //TODO
 #else
-    return m_choice->DoSetItemClientData( n , clientData ) ;
+    return m_choice->DoSetItemClientData( n , clientData );
 #endif
 }
 
-void* wxComboBox::DoGetItemClientData(int n) const
+void* wxComboBox::DoGetItemClientData(unsigned int n) const
 {
 #if USE_HICOMBOBOX
     return NULL; //TODO
 #else
-    return m_choice->DoGetItemClientData( n ) ;
+    return m_choice->DoGetItemClientData( n );
 #endif
 }
 
-void wxComboBox::DoSetItemClientObject(int n, wxClientData* clientData)
+void wxComboBox::DoSetItemClientObject(unsigned int n, wxClientData* clientData)
 {
 #if USE_HICOMBOBOX
     return; //TODO
 #else
-    return m_choice->DoSetItemClientObject( n , clientData ) ;
+    return m_choice->DoSetItemClientObject( n , clientData );
 #endif
 }
 
-wxClientData* wxComboBox::DoGetItemClientObject(int n) const 
+wxClientData* wxComboBox::DoGetItemClientObject(unsigned int n) const
 {
 #if USE_HICOMBOBOX
     return NULL;
 #else
-    return m_choice->DoGetItemClientObject( n ) ;
+    return m_choice->DoGetItemClientObject( n );
 #endif
 }
 
 void wxComboBox::FreeData()
 {
-    if ( HasClientObjectData() )
+    if (HasClientObjectData())
     {
-        size_t count = GetCount();
-        for ( size_t n = 0; n < count; n++ )
+        unsigned int count = GetCount();
+        for ( unsigned int n = 0; n < count; n++ )
         {
             SetClientObject( n, NULL );
         }
     }
 }
 
-int wxComboBox::GetCount() const {
+unsigned int wxComboBox::GetCount() const {
 #if USE_HICOMBOBOX
-	return (int) HIComboBoxGetItemCount( (HIViewRef) m_macControl );
+    return (unsigned int) HIComboBoxGetItemCount( m_peer->GetControlRef() );
 #else
-	return m_choice->GetCount() ; 
+    return m_choice->GetCount();
 #endif
 }
 
-void wxComboBox::Delete(int n)
+void wxComboBox::Delete(unsigned int n)
 {
 #if USE_HICOMBOBOX
-    HIComboBoxRemoveItemAtIndex( (HIViewRef) m_macControl, (CFIndex)n );
+    HIComboBoxRemoveItemAtIndex( m_peer->GetControlRef(), (CFIndex)n );
 #else
     // force client object deletion
     if( HasClientObjectData() )
@@ -594,10 +642,12 @@ void wxComboBox::Delete(int n)
 
 void wxComboBox::Clear()
 {
+    FreeData();
 #if USE_HICOMBOBOX
-    //TODO
+    for ( CFIndex i = GetCount() - 1; i >= 0; ++ i )
+        verify_noerr( HIComboBoxRemoveItemAtIndex( m_peer->GetControlRef(), i ) );
+    m_peer->SetData<CFStringRef>(kHIComboBoxEditTextPart,kControlEditTextCFStringTag,CFSTR(""));
 #else
-    FreeData();
     m_choice->Clear();
 #endif
 }
@@ -605,8 +655,7 @@ void wxComboBox::Clear()
 int wxComboBox::GetSelection() const
 {
 #if USE_HICOMBOBOX
-    int result =  GetControl32BitValue( (HIViewRef) m_macControl ) -1;
-    return result;
+    return FindString( GetStringSelection() );
 #else
     return m_choice->GetSelection();
 #endif
@@ -615,36 +664,36 @@ int wxComboBox::GetSelection() const
 void wxComboBox::SetSelection(int n)
 {
 #if USE_HICOMBOBOX
-    SetControl32BitValue( (ControlRef) m_macControl , n + 1 ) ;
+    SetControl32BitValue( m_peer->GetControlRef() , n + 1 );
 #else
     m_choice->SetSelection( n );
-    
+
     if ( m_text != NULL )
     {
-        m_text->SetValue( GetString( n ) );
+        m_text->SetValue(GetString(n));
     }
 #endif
 }
 
-int wxComboBox::FindString(const wxString& s) const
+int wxComboBox::FindString(const wxString& s, bool bCase) const
 {
 #if USE_HICOMBOBOX
-    for( int i = 0 ; i < GetCount() ; i++ )
+    for( unsigned int i = 0 ; i < GetCount() ; i++ )
     {
-        if ( GetString( i ).IsSameAs(s, FALSE) )
+        if (GetString(i).IsSameAs(s, bCase) )
             return i ;
     }
-    return wxNOT_FOUND ;
+    return wxNOT_FOUND;
 #else
-    return m_choice->FindString( s );
+    return m_choice->FindString( s, bCase );
 #endif
 }
 
-wxString wxComboBox::GetString(int n) const
+wxString wxComboBox::GetString(unsigned int n) const
 {
 #if USE_HICOMBOBOX
     CFStringRef itemText;
-    HIComboBoxCopyTextItemAtIndex( (HIViewRef) m_macControl, (CFIndex)n, &itemText );
+    HIComboBoxCopyTextItemAtIndex( m_peer->GetControlRef(), (CFIndex)n, &itemText );
     return wxMacCFStringHolder(itemText).AsString();
 #else
     return m_choice->GetString( n );
@@ -653,45 +702,139 @@ wxString wxComboBox::GetString(int n) const
 
 wxString wxComboBox::GetStringSelection() const
 {
+#if USE_HICOMBOBOX
+    return wxMacCFStringHolder(m_peer->GetData<CFStringRef>(kHIComboBoxEditTextPart,kControlEditTextCFStringTag)).AsString();
+#else
     int sel = GetSelection ();
-    if (sel > -1)
-        return wxString(this->GetString (sel));
+    if (sel != wxNOT_FOUND)
+        return wxString(this->GetString((unsigned int)sel));
     else
         return wxEmptyString;
+#endif
 }
 
-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;
-        }
+#if USE_HICOMBOBOX
+    verify_noerr ( HIComboBoxInsertTextItemAtIndex( m_peer->GetControlRef(), (CFIndex) n,
+        wxMacCFStringHolder(s, m_font.GetEncoding()) ) );
+    verify_noerr ( HIComboBoxRemoveItemAtIndex( m_peer->GetControlRef(), (CFIndex) n + 1 ) );
+#else
+    m_choice->SetString( n , s );
+#endif
+}
+
+bool wxComboBox::IsEditable() const
+{
+#if USE_HICOMBOBOX
+    // TODO
+    return !HasFlag(wxCB_READONLY);
+#else
+    return m_text != NULL && !HasFlag(wxCB_READONLY);
+#endif
+}
+
+void wxComboBox::Undo()
+{
+#if USE_HICOMBOBOX
+    // TODO
+#else
+    if (m_text != NULL)
+        m_text->Undo();
+#endif
+}
+
+void wxComboBox::Redo()
+{
+#if USE_HICOMBOBOX
+    // TODO
+#else
+    if (m_text != NULL)
+        m_text->Redo();
+#endif
+}
+
+void wxComboBox::SelectAll()
+{
+#if USE_HICOMBOBOX
+    // TODO
+#else
+    if (m_text != NULL)
+        m_text->SelectAll();
+#endif
+}
+
+bool wxComboBox::CanCopy() const
+{
+#if USE_HICOMBOBOX
+    // TODO
+    return false;
+#else
+    if (m_text != NULL)
+        return m_text->CanCopy();
     else
-        return FALSE;
+        return false;
+#endif
 }
 
-void wxComboBox::SetString(int n, const wxString& s) 
+bool wxComboBox::CanCut() const
 {
 #if USE_HICOMBOBOX
+    // TODO
+    return false;
+#else
+    if (m_text != NULL)
+        return m_text->CanCut();
+    else
+        return false;
+#endif
+}
 
+bool wxComboBox::CanPaste() const
+{
+#if USE_HICOMBOBOX
+    // TODO
+    return false;
 #else
-    m_choice->SetString( n , s ) ;
+    if (m_text != NULL)
+        return m_text->CanPaste();
+    else
+        return false;
 #endif
 }
 
+bool wxComboBox::CanUndo() const
+{
+#if USE_HICOMBOBOX
+    // TODO
+    return false;
+#else
+    if (m_text != NULL)
+        return m_text->CanUndo();
+    else
+        return false;
+#endif
+}
 
-wxInt32 wxComboBox::MacControlHit(WXEVENTHANDLERREF WXUNUSED(handler) , WXEVENTREF WXUNUSED(event) ) 
+bool wxComboBox::CanRedo() const
+{
+#if USE_HICOMBOBOX
+    // TODO
+    return false;
+#else
+    if (m_text != NULL)
+        return m_text->CanRedo();
+    else
+        return false;
+#endif
+}
+
+wxInt32 wxComboBox::MacControlHit(WXEVENTHANDLERREF WXUNUSED(handler) , WXEVENTREF WXUNUSED(event) )
 {
-/*
     wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_SELECTED, m_windowId );
     event.SetInt(GetSelection());
     event.SetEventObject(this);
     event.SetString(GetStringSelection());
     ProcessCommand(event);
-    return noErr ;
-*/
-    return eventNotHandledErr ;
+    return noErr;
 }
-