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89 lines
2.9 KiB
C++
89 lines
2.9 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: wx/textcompleter.h
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// Purpose: Declaration of wxTextCompleter class.
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// Author: Vadim Zeitlin
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// Created: 2011-04-13
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// Copyright: (c) 2011 Vadim Zeitlin <vadim@wxwidgets.org>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_TEXTCOMPLETER_H_
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#define _WX_TEXTCOMPLETER_H_
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#include "wx/defs.h"
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#include "wx/arrstr.h"
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// ----------------------------------------------------------------------------
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// wxTextCompleter: used by wxTextEnter::AutoComplete()
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxTextCompleter
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{
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public:
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wxTextCompleter() { }
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// The virtual functions to be implemented by the derived classes: the
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// first one is called to start preparing for completions for the given
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// prefix and, if it returns true, GetNext() is called until it returns an
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// empty string indicating that there are no more completions.
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virtual bool Start(const wxString& prefix) = 0;
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virtual wxString GetNext() = 0;
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virtual ~wxTextCompleter();
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private:
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wxDECLARE_NO_COPY_CLASS(wxTextCompleter);
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};
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// ----------------------------------------------------------------------------
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// wxTextCompleterSimple: returns the entire set of completions at once
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxTextCompleterSimple : public wxTextCompleter
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{
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public:
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wxTextCompleterSimple() { }
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// Must be implemented to return all the completions for the given prefix.
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virtual void GetCompletions(const wxString& prefix, wxArrayString& res) = 0;
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virtual bool Start(const wxString& prefix) wxOVERRIDE;
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virtual wxString GetNext() wxOVERRIDE;
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private:
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wxArrayString m_completions;
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unsigned m_index;
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wxDECLARE_NO_COPY_CLASS(wxTextCompleterSimple);
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};
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// ----------------------------------------------------------------------------
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// wxTextCompleterFixed: Trivial wxTextCompleter implementation which always
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// returns the same fixed array of completions.
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// ----------------------------------------------------------------------------
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// NB: This class is private and intentionally not documented as it is
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// currently used only for implementation of completion with the fixed list
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// of strings only by wxWidgets itself, do not use it outside of wxWidgets.
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class wxTextCompleterFixed : public wxTextCompleterSimple
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{
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public:
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void SetCompletions(const wxArrayString& strings)
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{
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m_strings = strings;
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}
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virtual void GetCompletions(const wxString& WXUNUSED(prefix),
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wxArrayString& res) wxOVERRIDE
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{
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res = m_strings;
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}
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private:
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wxArrayString m_strings;
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};
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#endif // _WX_TEXTCOMPLETER_H_
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