remove unused variable assignment, closes #14928

[wxWidgets.git] / include / wx / univ / combobox.h

diff --git a/include/wx/univ/combobox.h b/include/wx/univ/combobox.h
index a8ccdf05649fb3cf08d6e9764d03f0f873dbcba5..ac63fd63c39e7804dfef7257e6b399ec2a6160dc 100644 (file)
--- a/include/wx/univ/combobox.h
+++ b/include/wx/univ/combobox.h
@@ -22,16 +22,20 @@ class WXDLLIMPEXP_FWD_CORE wxListBox;
 // ----------------------------------------------------------------------------
 
 // choose the next/prev/specified (by numArg) item
-#define wxACTION_COMBOBOX_SELECT_NEXT _T("next")
-#define wxACTION_COMBOBOX_SELECT_PREV _T("prev")
-#define wxACTION_COMBOBOX_SELECT      _T("select")
+#define wxACTION_COMBOBOX_SELECT_NEXT wxT("next")
+#define wxACTION_COMBOBOX_SELECT_PREV wxT("prev")
+#define wxACTION_COMBOBOX_SELECT      wxT("select")
 
 
 // ----------------------------------------------------------------------------
 // wxComboBox: a combination of text control and a listbox
 // ----------------------------------------------------------------------------
 
-class WXDLLIMPEXP_CORE wxComboBox : public wxComboCtrl, public wxComboBoxBase
+// NB: Normally we'd like wxComboBox to inherit from wxComboBoxBase, but here
+//     we can't really do that since both wxComboBoxBase and wxComboCtrl inherit
+//     from wxTextCtrl.
+class WXDLLIMPEXP_CORE wxComboBox :
+    public wxWindowWithItems<wxComboCtrl, wxItemContainer>
 {
 public:
     // ctors and such
@@ -118,6 +122,17 @@ public:
     virtual bool CanUndo() const;
     virtual bool CanRedo() const;
 
+    // override these methods to disambiguate between two base classes versions
+    virtual void Clear()
+    {
+        wxComboCtrl::Clear();
+        wxItemContainer::Clear();
+    }
+
+    // See wxComboBoxBase discussion of IsEmpty().
+    bool IsListEmpty() const { return wxItemContainer::IsEmpty(); }
+    bool IsTextEmpty() const { return wxTextEntry::IsEmpty(); }
+
     // wxControlWithItems methods
     virtual void DoClear();
     virtual void DoDeleteOneItem(unsigned int n);
@@ -129,8 +144,6 @@ public:
     virtual int GetSelection() const;
     virtual wxString GetStringSelection() const;
 
-    wxCONTROL_ITEMCONTAINER_CLIENTDATAOBJECT_RECAST
-
     // we have our own input handler and our own actions
     // (but wxComboCtrl already handled Popup/Dismiss)
     /*