added test for writing empty value to the config

[wxWidgets.git] / include / wx / ctrlsub.h

diff --git a/include/wx/ctrlsub.h b/include/wx/ctrlsub.h
index 42fd7349c82ad5911530a34f2d9e8fdad116840b..0fa00d4e64e7483906165a72020e70ce7b898a94 100644 (file)
--- a/include/wx/ctrlsub.h
+++ b/include/wx/ctrlsub.h
@@ -16,32 +16,32 @@
     #pragma interface "controlwithitems.h"
 #endif
 
+#if wxUSE_CONTROLS
+
 #include "wx/control.h"      // base class
 
 // ----------------------------------------------------------------------------
-// wxControlWithItems defines an interface which is implemented by all controls
+// wxItemContainer defines an interface which is implemented by all controls
 // which have string subitems each of which may be selected.
 //
-// Examples: wxListBox, wxCheckListBox, wxChoice and wxComboBox
+// Examples: wxListBox, wxCheckListBox, wxChoice and wxComboBox (which
+// implements an extended interface deriving from this one)
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxControlWithItems : public wxControl
+class WXDLLEXPORT wxItemContainer
 {
 public:
-    wxControlWithItems() { m_clientDataItemsType = ClientData_None; }
-#ifdef __WXMAC_X__
-    virtual ~wxControlWithItems() {}  // Added min for Mac X
-#endif
+    wxItemContainer() { m_clientDataItemsType = wxClientData_None; }
 
     // adding items
     // ------------
 
-    void Append(const wxString& item)
-        { DoAppend(item); }
-    void Append(const wxString& item, void *clientData)
-        { int n = DoAppend(item); SetClientData(n, clientData); }
-    void Append(const wxString& item, wxClientData *clientData)
-        { int n = DoAppend(item); SetClientObject(n, clientData); }
+    int Append(const wxString& item)
+        { return DoAppend(item); }
+    int Append(const wxString& item, void *clientData)
+        { int n = DoAppend(item); SetClientData(n, clientData); return n; }
+    int Append(const wxString& item, wxClientData *clientData)
+        { int n = DoAppend(item); SetClientObject(n, clientData); return n; }
 
     // deleting items
     // --------------
@@ -76,13 +76,19 @@ public:
     wxClientData* GetClientObject(int n) const;
 
     bool HasClientObjectData() const
-        { return m_clientDataItemsType == ClientData_Object; }
+        { return m_clientDataItemsType == wxClientData_Object; }
     bool HasClientUntypedData() const
-        { return m_clientDataItemsType == ClientData_Void; }
+        { return m_clientDataItemsType == wxClientData_Void; }
 
+#if WXWIN_COMPATIBILITY_2_2
     // compatibility - these functions are deprecated, use the new ones
     // instead
     int Number() const { return GetCount(); }
+#endif // WXWIN_COMPATIBILITY_2_2
+
+#ifdef __DARWIN__
+    virtual ~wxItemContainer() { }
+#endif
 
 protected:
     virtual int DoAppend(const wxString& item) = 0;
@@ -96,6 +102,57 @@ protected:
     wxClientDataType m_clientDataItemsType;
 };
 
-#endif // _WX_CTRLSUB_H_BASE_
+class WXDLLEXPORT wxControlWithItems : public wxControl, public wxItemContainer
+{
+public:
+    // we have to redefine these functions here to avoid ambiguities in classes
+    // deriving from us which would arise otherwise because both base classses
+    // have the methods with the same names - hopefully, a smart compiler can
+    // optimize away these simple inline wrappers so we don't suffer much from
+    // this
+
+    void SetClientData(void *data)
+    {
+        wxControl::SetClientData(data);
+    }
+
+    void *GetClientData() const
+    {
+        return wxControl::GetClientData();
+    }
+
+    void SetClientObject(wxClientData *data)
+    {
+        wxControl::SetClientObject(data);
+    }
+
+    wxClientData *GetClientObject() const
+    {
+        return wxControl::GetClientObject();
+    }
+
+    void SetClientData(int n, void* clientData)
+    {
+        wxItemContainer::SetClientData(n, clientData);
+    }
+
+    void* GetClientData(int n) const
+    {
+        return wxItemContainer::GetClientData(n);
+    }
+
+    void SetClientObject(int n, wxClientData* clientData)
+    {
+        wxItemContainer::SetClientObject(n, clientData);
+    }
+
+    wxClientData* GetClientObject(int n) const
+    {
+        return wxItemContainer::GetClientObject(n);
+    }
+};
 
+#endif // wxUSE_CONTROLS
+
+#endif // _WX_CTRLSUB_H_BASE_