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