replace usage of objective-c keyword 'id'

[wxWidgets.git] / src / common / combocmn.cpp

diff --git a/src/common/combocmn.cpp b/src/common/combocmn.cpp
index 10e0da7dcdf0b0d017266aeaa975dd4f275741b5..ccabb7277e576b60100b832f8cb225dd240ca91b 100644 (file)
--- a/src/common/combocmn.cpp
+++ b/src/common/combocmn.cpp
@@ -23,9 +23,12 @@
     #pragma hdrstop
 #endif
 
     #pragma hdrstop
 #endif
 

-#if wxUSE_COMBOCTRL
-
+#if wxUSE_COMBOBOX

 #include "wx/combobox.h"
 #include "wx/combobox.h"

+extern WXDLLEXPORT_DATA(const char) wxComboBoxNameStr[] = "comboBox";
+#endif
+
+#if wxUSE_COMBOCTRL

 
 #ifndef WX_PRECOMP
     #include "wx/app.h"
 
 #ifndef WX_PRECOMP
     #include "wx/app.h"


@@ -41,6 +44,71 @@
 #include "wx/combo.h"
 
 
 #include "wx/combo.h"
 
 

+// ----------------------------------------------------------------------------
+// XTI
+// ----------------------------------------------------------------------------
+
+wxDEFINE_FLAGS( wxComboBoxStyle )
+wxBEGIN_FLAGS( wxComboBoxStyle )
+// new style border flags, we put them first to
+// use them for streaming out
+wxFLAGS_MEMBER(wxBORDER_SIMPLE)
+wxFLAGS_MEMBER(wxBORDER_SUNKEN)
+wxFLAGS_MEMBER(wxBORDER_DOUBLE)
+wxFLAGS_MEMBER(wxBORDER_RAISED)
+wxFLAGS_MEMBER(wxBORDER_STATIC)
+wxFLAGS_MEMBER(wxBORDER_NONE)
+
+// old style border flags
+wxFLAGS_MEMBER(wxSIMPLE_BORDER)
+wxFLAGS_MEMBER(wxSUNKEN_BORDER)
+wxFLAGS_MEMBER(wxDOUBLE_BORDER)
+wxFLAGS_MEMBER(wxRAISED_BORDER)
+wxFLAGS_MEMBER(wxSTATIC_BORDER)
+wxFLAGS_MEMBER(wxBORDER)
+
+// standard window styles
+wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
+wxFLAGS_MEMBER(wxCLIP_CHILDREN)
+wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
+wxFLAGS_MEMBER(wxWANTS_CHARS)
+wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
+wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
+wxFLAGS_MEMBER(wxVSCROLL)
+wxFLAGS_MEMBER(wxHSCROLL)
+
+wxFLAGS_MEMBER(wxCB_SIMPLE)
+wxFLAGS_MEMBER(wxCB_SORT)
+wxFLAGS_MEMBER(wxCB_READONLY)
+wxFLAGS_MEMBER(wxCB_DROPDOWN)
+
+wxEND_FLAGS( wxComboBoxStyle )
+
+wxIMPLEMENT_DYNAMIC_CLASS_XTI(wxComboBox, wxControl, "wx/combobox.h")
+
+wxBEGIN_PROPERTIES_TABLE(wxComboBox)
+wxEVENT_PROPERTY( Select, wxEVT_COMMAND_COMBOBOX_SELECTED, wxCommandEvent )
+wxEVENT_PROPERTY( TextEnter, wxEVT_COMMAND_TEXT_ENTER, wxCommandEvent )
+
+// TODO DELEGATES
+wxPROPERTY( Font, wxFont, SetFont, GetFont, wxEMPTY_PARAMETER_VALUE, \
+           0 /*flags*/, wxT("Helpstring"), wxT("group"))
+wxPROPERTY_COLLECTION( Choices, wxArrayString, wxString, AppendString, \
+                      GetStrings, 0 /*flags*/, wxT("Helpstring"), wxT("group"))
+wxPROPERTY( Value,wxString, SetValue, GetValue, wxEMPTY_PARAMETER_VALUE, \
+           0 /*flags*/, wxT("Helpstring"), wxT("group"))
+wxPROPERTY( Selection,int, SetSelection, GetSelection, wxEMPTY_PARAMETER_VALUE, \
+           0 /*flags*/, wxT("Helpstring"), wxT("group"))
+
+wxPROPERTY_FLAGS( WindowStyle, wxComboBoxStyle, long, SetWindowStyleFlag, \
+                 GetWindowStyleFlag, wxEMPTY_PARAMETER_VALUE, 0 /*flags*/, \
+                 wxT("Helpstring"), wxT("group")) // style
+wxEND_PROPERTIES_TABLE()
+
+wxEMPTY_HANDLERS_TABLE(wxComboBox)
+
+wxCONSTRUCTOR_5( wxComboBox, wxWindow*, Parent, wxWindowID, Id, \
+                wxString, Value, wxPoint, Position, wxSize, Size )

 
 // constants
 // ----------------------------------------------------------------------------
 
 // constants
 // ----------------------------------------------------------------------------


@@ -85,7 +153,11 @@
 #define wxCC_GENERIC_TLW_IS_DIALOG
 #define wxComboCtrlGenericTLW   wxDialog
 
 #define wxCC_GENERIC_TLW_IS_DIALOG
 #define wxComboCtrlGenericTLW   wxDialog
 

-#include "wx/gtk/private.h"
+#if defined(__WXGTK20__)
+# include "wx/gtk/private.h"
+#else
+# include "wx/gtk1/private.h"
+#endif

 
 // NB: Let's not be afraid to use wxGTK's wxPopupTransientWindow as a
 //     'perfect' popup, as it can succesfully host child controls even in
 
 // NB: Let's not be afraid to use wxGTK's wxPopupTransientWindow as a
 //     'perfect' popup, as it can succesfully host child controls even in


@@ -221,6 +293,26 @@ enum
 #endif
 
 
 #endif
 
 

+// Returns true if given popup window type can be classified as perfect
+// on this platform.
+static inline bool IsPopupWinTypePerfect( wxByte popupWinType )
+{
+#if POPUPWIN_IS_PERFECT && TRANSIENT_POPUPWIN_IS_PERFECT
+    wxUnusedVar(popupWinType);
+    return true;
+#else
+    return ( popupWinType == POPUPWIN_GENERICTLW
+        #if POPUPWIN_IS_PERFECT
+             || popupWinType == POPUPWIN_WXPOPUPWINDOW
+        #endif
+        #if TRANSIENT_POPUPWIN_IS_PERFECT
+             || popupWinType == POPUPWIN_WXPOPUPTRANSIENTWINDOW
+        #endif
+            );
+#endif
+}
+
+

 //
 // ** TODO **
 // * wxComboPopupWindow for external use (ie. replace old wxUniv wxPopupComboWindow)
 //
 // ** TODO **
 // * wxComboPopupWindow for external use (ie. replace old wxUniv wxPopupComboWindow)


@@ -566,6 +658,12 @@ void wxComboPopup::SetStringValue( const wxString& WXUNUSED(value) )
 {
 }
 
 {
 }
 

+bool wxComboPopup::FindItem(const wxString& WXUNUSED(item),
+                            wxString* WXUNUSED(trueItem))
+{
+    return true;
+}
+

 bool wxComboPopup::LazyCreate()
 {
     return false;
 bool wxComboPopup::LazyCreate()
 {
     return false;


@@ -649,7 +747,8 @@ void wxComboBoxExtraInputHandler::OnFocus(wxFocusEvent& event)
     //     wxEVT_SET_FOCUSes (since m_text->SetFocus is called
     //     from combo's focus event handler), they should be quite
     //     harmless.
     //     wxEVT_SET_FOCUSes (since m_text->SetFocus is called
     //     from combo's focus event handler), they should be quite
     //     harmless.

-    wxFocusEvent evt2(event.GetEventType(),m_combo->GetId());
+    wxFocusEvent evt2(event);
+    evt2.SetId(m_combo->GetId());

     evt2.SetEventObject(m_combo);
     m_combo->GetEventHandler()->ProcessEvent(evt2);
 
     evt2.SetEventObject(m_combo);
     m_combo->GetEventHandler()->ProcessEvent(evt2);
 


@@ -760,6 +859,12 @@ void wxComboPopupEvtHandler::OnMouseEvent( wxMouseEvent& event )
                 // block this one)
                 m_blockEventsToPopup = false;
                 event.Skip(false);
                 // block this one)
                 m_blockEventsToPopup = false;
                 event.Skip(false);

+
+                // Also, this button press was (probably) used to display
+                // the popup, so relay it back to the drop-down button
+                // (which supposedly originated it). This is necessary to
+                // refresh it properly.
+                relayToButton = true;

             }
         }
         else if ( m_blockEventsToPopup )
             }
         }
         else if ( m_blockEventsToPopup )


@@ -789,12 +894,14 @@ void wxComboPopupEvtHandler::OnMouseEvent( wxMouseEvent& event )
 
     if ( relayToButton )
     {
 
     if ( relayToButton )
     {

-        wxWindow* eventSink = m_combo;

         wxWindow* btn = m_combo->GetButton();
         if ( btn )
         wxWindow* btn = m_combo->GetButton();
         if ( btn )

-            eventSink = btn;
-
-        eventSink->GetEventHandler()->ProcessEvent(event);
+            btn->GetEventHandler()->ProcessEvent(event);
+        else
+            // Bypass the event handling mechanism. Using it would be
+            // confusing for the platform-specific wxComboCtrl
+            // implementations.
+            m_combo->HandleButtonMouseEvent(event, 0);

     }
 }
 
     }
 }
 


@@ -877,6 +984,7 @@ void wxComboCtrlBase::Init()
     m_extRight = 0;
     m_marginLeft = -1;
     m_iFlags = 0;
     m_extRight = 0;
     m_marginLeft = -1;
     m_iFlags = 0;

+    m_textCtrlStyle = 0;

     m_timeCanAcceptClick = 0;
 
     m_resetFocus = false;
     m_timeCanAcceptClick = 0;
 
     m_resetFocus = false;


@@ -929,7 +1037,7 @@ void wxComboCtrlBase::InstallInputHandlers()
 }
 
 void
 }
 
 void

-wxComboCtrlBase::CreateTextCtrl(int style, const wxValidator& validator)
+wxComboCtrlBase::CreateTextCtrl(int style)

 {
     if ( !(m_windowStyle & wxCB_READONLY) )
     {
 {
     if ( !(m_windowStyle & wxCB_READONLY) )
     {


@@ -940,7 +1048,7 @@ wxComboCtrlBase::CreateTextCtrl(int style, const wxValidator& validator)
         // not used by the wxPropertyGrid and therefore the tab is processed by
         // looking at ancestors to see if they have wxTAB_TRAVERSAL. The
         // navigation event is then sent to the wrong window.
         // not used by the wxPropertyGrid and therefore the tab is processed by
         // looking at ancestors to see if they have wxTAB_TRAVERSAL. The
         // navigation event is then sent to the wrong window.

-        style |= wxTE_PROCESS_TAB;
+        style |= wxTE_PROCESS_TAB | m_textCtrlStyle;

 
         if ( HasFlag(wxTE_PROCESS_ENTER) )
             style |= wxTE_PROCESS_ENTER;
 
         if ( HasFlag(wxTE_PROCESS_ENTER) )
             style |= wxTE_PROCESS_ENTER;


@@ -956,7 +1064,7 @@ wxComboCtrlBase::CreateTextCtrl(int style, const wxValidator& validator)
         m_text = new wxComboCtrlTextCtrl();
         m_text->Create(this, wxID_ANY, m_valueString,
                        wxDefaultPosition, wxSize(10,-1),
         m_text = new wxComboCtrlTextCtrl();
         m_text->Create(this, wxID_ANY, m_valueString,
                        wxDefaultPosition, wxSize(10,-1),

-                       style, validator);
+                       style);

         m_text->SetHint(m_hintText);
     }
 }
         m_text->SetHint(m_hintText);
     }
 }


@@ -1169,7 +1277,7 @@ void wxComboCtrlBase::PositionTextCtrl( int textCtrlXAdjust, int textCtrlYAdjust
             // There is special custom paint area - it is better to
             // use some margin with the wxTextCtrl.
             m_text->SetMargins(m_marginLeft);
             // There is special custom paint area - it is better to
             // use some margin with the wxTextCtrl.
             m_text->SetMargins(m_marginLeft);

-            x = m_tcArea.x + m_widthCustomPaint + 
+            x = m_tcArea.x + m_widthCustomPaint +

                 m_marginLeft + textCtrlXAdjust;
         }
 
                 m_marginLeft + textCtrlXAdjust;
         }
 


@@ -1357,25 +1465,6 @@ void wxComboCtrlBase::DoSetToolTip(wxToolTip *tooltip)
 }
 #endif // wxUSE_TOOLTIPS
 
 }
 #endif // wxUSE_TOOLTIPS
 

-#if wxUSE_VALIDATORS
-void wxComboCtrlBase::SetValidator(const wxValidator& validator)
-{
-    wxTextCtrl* textCtrl = GetTextCtrl();
-
-    if ( textCtrl )
-        textCtrl->SetValidator( validator );
-    else
-        wxControl::SetValidator( validator );
-}
-
-wxValidator* wxComboCtrlBase::GetValidator()
-{
-    wxTextCtrl* textCtrl = GetTextCtrl();
-
-    return textCtrl ? textCtrl->GetValidator() : wxControl::GetValidator();
-}
-#endif // wxUSE_VALIDATORS
-

 bool wxComboCtrlBase::SetForegroundColour(const wxColour& colour)
 {
     if ( wxControl::SetForegroundColour(colour) )
 bool wxComboCtrlBase::SetForegroundColour(const wxColour& colour)
 {
     if ( wxControl::SetForegroundColour(colour) )


@@ -2005,21 +2094,18 @@ void wxComboCtrlBase::DestroyPopup()
     if ( m_popup )
         m_popup->RemoveEventHandler(m_popupEvtHandler);
 
     if ( m_popup )
         m_popup->RemoveEventHandler(m_popupEvtHandler);
 

-    delete m_popupEvtHandler;
+    wxDELETE(m_popupEvtHandler);

 
 

-    delete m_popupInterface;
+    wxDELETE(m_popupInterface);

 
     if ( m_winPopup )
     {
         m_winPopup->RemoveEventHandler(m_popupWinEvtHandler);
 
     if ( m_winPopup )
     {
         m_winPopup->RemoveEventHandler(m_popupWinEvtHandler);

-        delete m_popupWinEvtHandler;
-        m_popupWinEvtHandler = NULL;
+        wxDELETE(m_popupWinEvtHandler);

         m_winPopup->Destroy();
         m_winPopup->Destroy();

+        m_winPopup = NULL;

     }
 
     }
 

-    m_popupEvtHandler = NULL;
-    m_popupInterface = NULL;
-    m_winPopup = NULL;

     m_popup = NULL;
 }
 
     m_popup = NULL;
 }
 


@@ -2044,7 +2130,7 @@ void wxComboCtrlBase::DoSetPopupControl(wxComboPopup* iface)
     }
 
     // This must be done after creation
     }
 
     // This must be done after creation

-    if ( m_valueString.length() )
+    if ( !m_valueString.empty() )

     {
         iface->SetStringValue(m_valueString);
         //Refresh();
     {
         iface->SetStringValue(m_valueString);
         //Refresh();


@@ -2062,20 +2148,32 @@ void wxComboCtrlBase::OnButtonClick()
 {
     // Derived classes can override this method for totally custom
     // popup action
 {
     // Derived classes can override this method for totally custom
     // popup action

-    if ( !IsPopupWindowState(Visible) )
+    switch ( GetPopupWindowState() )

     {
     {

-        wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_DROPDOWN, GetId());
-        event.SetEventObject(this);
-        HandleWindowEvent(event);
+        case Hidden:
+        {
+            Popup();
+            break;
+        }

 
 

-        ShowPopup();
-    }
-    else
-    {
-        HidePopup(true);
+        case Animating:
+        case Visible:
+        {
+            HidePopup(true);
+            break;
+        }

     }
 }
 
     }
 }
 

+void wxComboCtrlBase::Popup()
+{
+    wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_DROPDOWN, GetId());
+    event.SetEventObject(this);
+    HandleWindowEvent(event);
+
+    ShowPopup();
+}
+

 void wxComboCtrlBase::ShowPopup()
 {
     EnsurePopupControl();
 void wxComboCtrlBase::ShowPopup()
 {
     EnsurePopupControl();


@@ -2280,6 +2378,13 @@ void wxComboCtrlBase::DoShowPopup( const wxRect& rect, int WXUNUSED(flags) )
             winPopup->Show();
 
         m_popupWinState = Visible;
             winPopup->Show();
 
         m_popupWinState = Visible;

+
+        // If popup window was a generic top-level window, or the
+        // wxPopupWindow implemenation on this platform is classified as
+        // perfect, then we should be able to safely set focus to the popup
+        // control.
+        if ( IsPopupWinTypePerfect(m_popupWinType) )
+            m_popup->SetFocus();

     }
     else if ( IsPopupWindowState(Hidden) )
     {
     }
     else if ( IsPopupWindowState(Hidden) )
     {


@@ -2362,7 +2467,7 @@ void wxComboCtrlBase::HidePopup(bool generateEvent)
 
     // transfer value and show it in textctrl, if any
     if ( !IsPopupWindowState(Animating) )
 
     // transfer value and show it in textctrl, if any
     if ( !IsPopupWindowState(Animating) )

-        SetValue( m_popupInterface->GetStringValue() );
+        SetValueByUser( m_popupInterface->GetStringValue() );

 
     m_winPopup->Hide();
 
 
     m_winPopup->Hide();
 


@@ -2510,48 +2615,79 @@ wxCoord wxComboCtrlBase::GetNativeTextIndent() const
     return DEFAULT_TEXT_INDENT;
 }
 
     return DEFAULT_TEXT_INDENT;
 }
 

+void wxComboCtrlBase::SetTextCtrlStyle( int style )
+{
+    m_textCtrlStyle = style;
+
+    if ( m_text )
+        m_text->SetWindowStyle(style);
+}
+

 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------

-// methods forwarded to wxTextCtrl
+// wxTextEntry interface

 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 

-wxString wxComboCtrlBase::GetValue() const
+wxString wxComboCtrlBase::DoGetValue() const

 {
     if ( m_text )
         return m_text->GetValue();
     return m_valueString;
 }
 
 {
     if ( m_text )
         return m_text->GetValue();
     return m_valueString;
 }
 

-void wxComboCtrlBase::SetValueWithEvent(const wxString& value, bool withEvent)
+void wxComboCtrlBase::SetValueWithEvent(const wxString& value,
+                                        bool withEvent)

 {
 {

-    if ( m_text )
-    {
-        if ( !withEvent )
-            m_ignoreEvtText++;
-
-        m_text->SetValue(value);
+    DoSetValue(value, withEvent ? SetValue_SendEvent : 0);
+}

 
 

-        if ( !(m_iFlags & wxCC_NO_TEXT_AUTO_SELECT) )
-            m_text->SelectAll();
-    }
+void wxComboCtrlBase::OnSetValue(const wxString& value)
+{
+    // Note: before wxComboCtrl inherited from wxTextEntry,
+    //       this code used to be in SetValueWithEvent().

 
     // Since wxComboPopup may want to paint the combo as well, we need
     // to set the string value here (as well as sometimes in ShowPopup).
     if ( m_valueString != value )
     {
 
     // Since wxComboPopup may want to paint the combo as well, we need
     // to set the string value here (as well as sometimes in ShowPopup).
     if ( m_valueString != value )
     {

-        m_valueString = value;
+        bool found = true;
+        wxString trueValue = value;
+
+        // Conform to wxComboBox behavior: read-only control can only accept
+        // valid list items and empty string
+        if ( m_popupInterface && HasFlag(wxCB_READONLY) && value.length() )
+        {
+            found = m_popupInterface->FindItem(value,
+                                               &trueValue);
+        }
+
+        if ( found )
+        {
+            m_valueString = trueValue;

 
 

-        EnsurePopupControl();
+            EnsurePopupControl();

 
 

-        if (m_popupInterface)
-            m_popupInterface->SetStringValue(value);
+            if ( m_popupInterface )
+                m_popupInterface->SetStringValue(trueValue);
+        }

     }
 
     Refresh();
 }
 
     }
 
     Refresh();
 }
 

-void wxComboCtrlBase::SetValue(const wxString& value)
+void wxComboCtrlBase::SetValueByUser(const wxString& value)

 {
 {

-    SetValueWithEvent(value, false);
+    // NB: Order of function calls is important here. Otherwise
+    //     the SelectAll() may not work.
+
+    if ( m_text )
+    {
+        m_text->SetValue(value);
+
+        if ( !(m_iFlags & wxCC_NO_TEXT_AUTO_SELECT) )
+            m_text->SelectAll();
+    }
+
+    OnSetValue(value);

 }
 
 // In this SetValue variant wxComboPopup::SetStringValue is not called
 }
 
 // In this SetValue variant wxComboPopup::SetStringValue is not called


@@ -2596,12 +2732,6 @@ void wxComboCtrlBase::SetInsertionPoint(long pos)
         m_text->SetInsertionPoint(pos);
 }
 
         m_text->SetInsertionPoint(pos);
 }
 

-void wxComboCtrlBase::SetInsertionPointEnd()
-{
-    if ( m_text )
-        m_text->SetInsertionPointEnd();
-}
-

 long wxComboCtrlBase::GetInsertionPoint() const
 {
     if ( m_text )
 long wxComboCtrlBase::GetInsertionPoint() const
 {
     if ( m_text )


@@ -2618,16 +2748,48 @@ long wxComboCtrlBase::GetLastPosition() const
     return 0;
 }
 
     return 0;
 }
 

+void wxComboCtrlBase::WriteText(const wxString& text)
+{
+    if ( m_text )
+    {
+        m_text->WriteText(text);
+        OnSetValue(m_text->GetValue());
+    }
+    else
+    {
+        OnSetValue(text);
+    }
+}
+
+void wxComboCtrlBase::DoSetValue(const wxString& value, int flags)
+{
+    if ( m_text )
+    {
+        if ( flags & SetValue_SendEvent )
+            m_text->SetValue(value);
+        else
+            m_text->ChangeValue(value);
+    }
+
+    OnSetValue(value);
+}
+

 void wxComboCtrlBase::Replace(long from, long to, const wxString& value)
 {
     if ( m_text )
 void wxComboCtrlBase::Replace(long from, long to, const wxString& value)
 {
     if ( m_text )

+    {

         m_text->Replace(from, to, value);
         m_text->Replace(from, to, value);

+        OnSetValue(m_text->GetValue());
+    }

 }
 
 void wxComboCtrlBase::Remove(long from, long to)
 {
     if ( m_text )
 }
 
 void wxComboCtrlBase::Remove(long from, long to)
 {
     if ( m_text )

+    {

         m_text->Remove(from, to);
         m_text->Remove(from, to);

+        OnSetValue(m_text->GetValue());
+    }

 }
 
 void wxComboCtrlBase::SetSelection(long from, long to)
 }
 
 void wxComboCtrlBase::SetSelection(long from, long to)


@@ -2636,12 +2798,60 @@ void wxComboCtrlBase::SetSelection(long from, long to)
         m_text->SetSelection(from, to);
 }
 
         m_text->SetSelection(from, to);
 }
 

+void wxComboCtrlBase::GetSelection(long *from, long *to) const
+{
+    if ( m_text )
+    {
+        m_text->GetSelection(from, to);
+    }
+    else
+    {
+        *from = 0;
+        *to = 0;
+    }
+}
+
+bool wxComboCtrlBase::IsEditable() const
+{
+    if ( m_text )
+        return m_text->IsEditable();
+    return false;
+}
+
+void wxComboCtrlBase::SetEditable(bool editable)
+{
+    if ( m_text )
+        m_text->SetEditable(editable);
+}
+

 void wxComboCtrlBase::Undo()
 {
     if ( m_text )
         m_text->Undo();
 }
 
 void wxComboCtrlBase::Undo()
 {
     if ( m_text )
         m_text->Undo();
 }
 

+void wxComboCtrlBase::Redo()
+{
+    if ( m_text )
+        m_text->Redo();
+}
+
+bool wxComboCtrlBase::CanUndo() const
+{
+    if ( m_text )
+        return m_text->CanUndo();
+
+    return false;
+}
+
+bool wxComboCtrlBase::CanRedo() const
+{
+    if ( m_text )
+        return m_text->CanRedo();
+
+    return false;
+}
+

 bool wxComboCtrlBase::SetHint(const wxString& hint)
 {
     m_hintText = hint;
 bool wxComboCtrlBase::SetHint(const wxString& hint)
 {
     m_hintText = hint;