/* * This program source code file is part of KiCad, a free EDA CAD application. * * Copyright (C) 2017-2018 CERN * @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> /** * @brief 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 */