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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2017-2021 CERN
* Copyright The KiCad Developers, see AUTHORS.txt for contributors.
* @author Maciej Suminski <maciej.suminski@cern.ch>
*
* 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 3
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-3.0.html
* or you may search the http://www.gnu.org website for the version 3 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef TEXT_CTRL_EVAL_H
#define TEXT_CTRL_EVAL_H
#include <wx/window.h>
#include <wx/textctrl.h>
#include <libeval/numeric_evaluator.h>
/**
* wxTextCtrl wrapper to handle math expression evaluation.
*
* Expressions are evaluated after the text control loses the focus. If user decides to modify
* the expression, he will get the original expression to modify.
*/
class TEXT_CTRL_EVAL : public wxTextCtrl
{
public:
TEXT_CTRL_EVAL( wxWindow* aParent, wxWindowID aId, const wxString& aValue = wxEmptyString,
const wxPoint& aPos = wxDefaultPosition, const wxSize& aSize = wxDefaultSize,
long aStyle = 0, const wxValidator& aValidator = wxDefaultValidator,
const wxString& aName = wxTextCtrlNameStr );
virtual ~TEXT_CTRL_EVAL()
{
}
/**
* Set a new value in evaluator buffer and display it in the wxTextCtrl.
*
* @param aValue is the new value to store and display
* if aValue is empty, the value "0" is stored and displayed
*/
void SetValue( const wxString& aValue ) override;
protected:
/// Numeric expression evaluator.
NUMERIC_EVALUATOR m_eval;
void onTextFocusGet( wxFocusEvent& aEvent );
void onTextFocusLost( wxFocusEvent& aEvent );
void onTextEnter( wxCommandEvent& aEvent );
void evaluate();
};
#endif /* TEXT_CTRL_EVAL_H */
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