+#ifndef _WX_COMBOBOX_H_BASE_
+#define _WX_COMBOBOX_H_BASE_
+
+#include "wx/defs.h"
+
+#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[];
+
+// ----------------------------------------------------------------------------
+// wxComboBoxBase: this interface defines the methods wxComboBox must implement
+// ----------------------------------------------------------------------------
+
+#include "wx/ctrlsub.h"
+#include "wx/textentry.h"
+
+class WXDLLIMPEXP_CORE wxComboBoxBase : public wxItemContainer,
+ public wxTextEntry
+{
+public:
+ // override these methods to disambiguate between two base classes versions
+ virtual void Clear()
+ {
+ wxTextEntry::Clear();
+ wxItemContainer::Clear();
+ }
+
+ // 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
+ //
+ // NB: GetSelection(from, to) could be already implemented in wxTextEntry
+ // but still make it pure virtual because for some platforms it's not
+ // implemented there and also because the derived class has to override
+ // it anyhow to avoid ambiguity with the other GetSelection()
+ 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") ); }
+
+ // may return value different from GetSelection() when the combobox
+ // dropdown is shown and the user selected, but not yet accepted, a value
+ // different from the old one in it
+ virtual int GetCurrentSelection() const { return GetSelection(); }
+};
+
+// ----------------------------------------------------------------------------
+// include the platform-dependent header defining the real class
+// ----------------------------------------------------------------------------
+
+#if defined(__WXUNIVERSAL__)
+ #include "wx/univ/combobox.h"
+#elif defined(__WXMSW__)
+ #include "wx/msw/combobox.h"
projects / wxWidgets.git / blobdiff