90 lines
3.3 KiB
C++
90 lines
3.3 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: wx/combobox.h
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// Purpose: wxComboBox declaration
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// Author: Vadim Zeitlin
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// Modified by:
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// Created: 24.12.00
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// RCS-ID: $Id: combobox.h 70165 2011-12-29 14:42:13Z SN $
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// Copyright: (c) 1996-2000 wxWidgets team
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_COMBOBOX_H_BASE_
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#define _WX_COMBOBOX_H_BASE_
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#include "wx/defs.h"
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#if wxUSE_COMBOBOX
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extern WXDLLIMPEXP_DATA_CORE(const char) wxComboBoxNameStr[];
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// ----------------------------------------------------------------------------
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// wxComboBoxBase: this interface defines the methods wxComboBox must implement
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// ----------------------------------------------------------------------------
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#include "wx/ctrlsub.h"
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#include "wx/textentry.h"
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class WXDLLIMPEXP_CORE wxComboBoxBase : public wxItemContainer,
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public wxTextEntry
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{
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public:
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// override these methods to disambiguate between two base classes versions
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virtual void Clear()
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{
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wxTextEntry::Clear();
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wxItemContainer::Clear();
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}
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// IsEmpty() is ambiguous because we inherit it from both wxItemContainer
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// and wxTextEntry, and even if defined it here to help the compiler with
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// choosing one of them, it would still be confusing for the human users of
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// this class. So instead define the clearly named methods below and leave
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// IsEmpty() ambiguous to trigger a compilation error if it's used.
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bool IsListEmpty() const { return wxItemContainer::IsEmpty(); }
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bool IsTextEmpty() const { return wxTextEntry::IsEmpty(); }
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// also bring in GetSelection() versions of both base classes in scope
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//
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// NB: GetSelection(from, to) could be already implemented in wxTextEntry
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// but still make it pure virtual because for some platforms it's not
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// implemented there and also because the derived class has to override
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// it anyhow to avoid ambiguity with the other GetSelection()
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virtual int GetSelection() const = 0;
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virtual void GetSelection(long *from, long *to) const = 0;
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virtual void Popup() { wxFAIL_MSG( wxT("Not implemented") ); }
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virtual void Dismiss() { wxFAIL_MSG( wxT("Not implemented") ); }
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// may return value different from GetSelection() when the combobox
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// dropdown is shown and the user selected, but not yet accepted, a value
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// different from the old one in it
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virtual int GetCurrentSelection() const { return GetSelection(); }
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};
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// ----------------------------------------------------------------------------
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// include the platform-dependent header defining the real class
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// ----------------------------------------------------------------------------
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#if defined(__WXUNIVERSAL__)
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#include "wx/univ/combobox.h"
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#elif defined(__WXMSW__)
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#include "wx/msw/combobox.h"
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#elif defined(__WXMOTIF__)
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#include "wx/motif/combobox.h"
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#elif defined(__WXGTK20__)
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#include "wx/gtk/combobox.h"
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#elif defined(__WXGTK__)
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#include "wx/gtk1/combobox.h"
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#elif defined(__WXMAC__)
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#include "wx/osx/combobox.h"
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#elif defined(__WXCOCOA__)
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#include "wx/cocoa/combobox.h"
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#elif defined(__WXPM__)
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#include "wx/os2/combobox.h"
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#endif
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#endif // wxUSE_COMBOBOX
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#endif // _WX_COMBOBOX_H_BASE_
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