support retina display

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

diff --git a/include/wx/combobox.h b/include/wx/combobox.h
index a0245f9e23f506d2a6e1e85292cb27ce088734a3..f4dae22dcc1b7e1e9fe3a32953d3c9155f4b9910 100644 (file)
--- a/include/wx/combobox.h
+++ b/include/wx/combobox.h
@@ -16,6 +16,10 @@
 
 #if wxUSE_COMBOBOX
 
+// For compatibility with 2.8 include this header to allow using wxTE_XXX
+// styles with wxComboBox without explicitly including it in the user code.
+#include "wx/textctrl.h"
+
 extern WXDLLIMPEXP_DATA_CORE(const char) wxComboBoxNameStr[];
 
 // ----------------------------------------------------------------------------
@@ -36,7 +40,13 @@ public:
         wxItemContainer::Clear();
     }
 
-    bool IsEmpty() const { return wxItemContainer::IsEmpty(); }
+    // IsEmpty() is ambiguous because we inherit it from both wxItemContainer
+    // and wxTextEntry, and even if defined it here to help the compiler with
+    // choosing one of them, it would still be confusing for the human users of
+    // this class. So instead define the clearly named methods below and leave
+    // IsEmpty() ambiguous to trigger a compilation error if it's used.
+    bool IsListEmpty() const { return wxItemContainer::IsEmpty(); }
+    bool IsTextEmpty() const { return wxTextEntry::IsEmpty(); }
 
     // also bring in GetSelection() versions of both base classes in scope
     //
@@ -47,8 +57,8 @@ public:
     virtual int GetSelection() const = 0;
     virtual void GetSelection(long *from, long *to) const = 0;
 
-    virtual void Popup() { wxFAIL_MSG( wxT("Not implemented") ); };
-    virtual void Dismiss() { wxFAIL_MSG( wxT("Not implemented") ); };
+    virtual void Popup() { wxFAIL_MSG( wxT("Not implemented") ); }
+    virtual void Dismiss() { wxFAIL_MSG( wxT("Not implemented") ); }
 
     // may return value different from GetSelection() when the combobox
     // dropdown is shown and the user selected, but not yet accepted, a value