scintilla_tricks.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2020-2022 KiCad Developers, see change_log.txt for contributors.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
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 * or you may search the http://www.gnu.org website for the version 2 license,
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#ifndef SCINTILLA_TRICKS_H
#define SCINTILLA_TRICKS_H
 
 
#include <wx/stc/stc.h>
#include <functional>
 
class SCINTILLA_TRICKS : public wxEvtHandler
{
public:
 
 SCINTILLA_TRICKS( wxStyledTextCtrl* aScintilla, const wxString& aBraces, bool aSingleLine,
 std::function<void()> onAcceptHandler =
 []()
 { },
 std::function<void( wxStyledTextEvent& )> onCharAddedHandler =
 []( wxStyledTextEvent& )
 { } );
 
 wxStyledTextCtrl* Scintilla() const { return m_te; }
 
 void DoTextVarAutocomplete( std::function<void( const wxString& crossRef,
 wxArrayString* tokens )> aTokenProvider );
 
 void DoAutocomplete( const wxString& aPartial, const wxArrayString& aTokens );
 
 void CancelAutocomplete();
 
protected:
 void setupStyles();
 
 int firstNonWhitespace( int aLine, int* aWhitespaceCount = nullptr );
 
 void onCharHook( wxKeyEvent& aEvent );
 void onChar( wxStyledTextEvent& aEvent );
 void onScintillaUpdateUI( wxStyledTextEvent& aEvent );
 void onThemeChanged( wxSysColourChangedEvent &aEvent );
 
protected:
 wxStyledTextCtrl* m_te;
 wxString m_braces;
 int m_lastCaretPos;
 int m_lastSelStart;
 int m_lastSelEnd;
 bool m_suppressAutocomplete;
 bool m_singleLine; // Treat <return> as OK, and skip special tab
 // stop handling (including monospaced font).
 
 std::function<void()> m_onAcceptHandler; // Process <return> in singleLine, and
 // <shift> + <return> irrespective.
 
 std::function<void( wxStyledTextEvent& aEvent )> m_onCharAddedHandler;
};
 
#endif // SCINTILLA_TRICKS_H