adding hook, but unfortunately no solution yet for wxComboBox::SetEditable

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@74177 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/osx/cocoa/private/textimpl.h

@@ -115,6 +115,8 @@ public :
     virtual void Popup();
     virtual void Dismiss();
 
+    virtual void SetEditable(bool editable);
+
 private:
     NSComboBox* m_comboBox;
 };

src/osx/cocoa/combobox.mm

@@ -210,6 +210,14 @@ void wxNSComboBoxControl::Dismiss()
     [ax accessibilitySetValue: [NSNumber numberWithBool: NO] forAttribute: NSAccessibilityExpandedAttribute];
 }
 
+void wxNSComboBoxControl::SetEditable(bool editable)
+{
+    // TODO: unfortunately this does not work, setEditable just means the same as CB_READONLY
+    // I don't see a way to access the text field directly
+    NSComboBoxCell* c = [m_comboBox cell];
+    [c setEditable:editable];
+}
+
 wxWidgetImplType* wxWidgetImpl::CreateComboBox( wxComboBox* wxpeer, 
                                     wxWindowMac* WXUNUSED(parent), 
                                     wxWindowID WXUNUSED(id),