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Diffstat (limited to 'kmplot/kmplot/xparser.h')
| -rw-r--r-- | kmplot/kmplot/xparser.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/kmplot/kmplot/xparser.h b/kmplot/kmplot/xparser.h new file mode 100644 index 00000000..78c4463e --- /dev/null +++ b/kmplot/kmplot/xparser.h @@ -0,0 +1,146 @@ +/* +* KmPlot - a math. function plotter for the KDE-Desktop +* +* Copyright (C) 1998, 1999 Klaus-Dieter Möller +* 2000, 2002 kd.moeller@t-online.de +* +* This file is part of the KDE Project. +* KmPlot is part of the KDE-EDU Project. +* +* 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. +* +* 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, write to the Free Software +* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. +* +*/ + +#ifndef xparser_included +#define xparser_included + +#define SLIDER_COUNT 4 + +// Qt includes +#include <kdebug.h> + +// local includes +#include "parser.h" +#include "settings.h" + +/** + * @short Extended parser class. + * + * This class extends the parser class to support derivatives, + * draw options like color and line width and so on. + */ +class XParser : public Parser +{ +public: + XParser(bool &); + ~XParser(); + /// Evaluates the 1st dreivative of the function with intex \a ix + double a1fkt( Ufkt *u_item , double, double h = 1e-3 ); + /// Evaluates the 2nd dreivative of the function with intex \a ix + double a2fkt( Ufkt *, double, double h = 1e-3 ); + /// calculate euler's method when drawing a numeric prime-function + double euler_method(const double, const QValueVector<Ufkt>::iterator); + + /// Line width default + int linewidth0; + QRgb defaultColor(int function); + + enum { Function, Polar, ParametricX, ParametricY }; ///types of functions + ///Returns an unused function name if it is needed + void fixFunctionName(QString &, int const = XParser::Function , int const=-1); + + /// Returns the index for the next function. + int getNextIndex(); + /// Fill item with default values (e.g color, linewidth ) + void prepareAddingFunction(Ufkt *item); + + /// Interpretates the extended function string (only used by the old file format) + bool getext( Ufkt *, const QString ); + + /// Send a function to an other instance of Kmplot. Returns true if it success, otherwise false + bool sendFunction(int id, const QString &dcopclient_target=""); + + /// Functions for the DCOP interface: + + /// Returns a list with all functions + QStringList listFunctionNames(); + + /// Returns true if the graph is visible, otherwise false. + bool functionFVisible(uint id); + bool functionF1Visible(uint id); + bool functionF2Visible(uint id); + bool functionIntVisible(uint id); + /// Set the visible of the function. Returns true if it succeeds, otherwise false. + bool setFunctionFVisible(bool visible, uint id); + bool setFunctionF1Visible(bool visible, uint id); + bool setFunctionF2Visible(bool visible, uint id); + bool setFunctionIntVisible(bool visible, uint id); + + /// Returns the function expression, or an empty string if the function couldn't be found + QString functionStr(uint id); + /// Returns the complete function string including the extensions of a function, or an empty string if the function couldn't be found + + /// Get the color of a graph + QColor functionFColor(uint id); + QColor functionF1Color(uint id); + QColor functionF2Color(uint id); + QColor functionIntColor(uint id); + /// Set the color of a graph. Returns true if it succeeds, otherwise false. + bool setFunctionFColor(const QColor &color, uint id); + bool setFunctionF1Color(const QColor &color, uint id); + bool setFunctionF2Color(const QColor &color, uint id); + bool setFunctionIntColor(const QColor &color, uint id); + + /// Get the line width of a graph + int functionFLineWidth(uint id); + int functionF1LineWidth(uint id); + int functionF2LineWidth(uint id); + int functionIntLineWidth(uint id); + /// Set the line width of a graph. Returns true if it succeeds, otherwise false. + bool setFunctionFLineWidth(int linewidth, uint id); + bool setFunctionF1LineWidth(int linewidth, uint id); + bool setFunctionF2LineWidth(int linewidth, uint id); + bool setFunctionIntLineWidth(int linewidth, uint id); + + /// Returns the function's parameter list + QStringList functionParameterList(uint id); + bool functionAddParameter(const QString &new_parameter, uint id); + bool functionRemoveParameter(const QString &remove_parameter, uint id); + int addFunction(const QString &f_str); + bool addFunction(const QString &extstr, bool f_mode, bool f1_mode, bool f2_mode, bool integral_mode, bool integral_use_precision, int linewidth, int f1_linewidth, int f2_linewidth, int integral_linewidth, const QString &str_dmin, const QString &str_dmax, const QString &str_startx, const QString &str_starty, double integral_precision, QRgb color, QRgb f1_color, QRgb f2_color, QRgb integral_color, QStringList str_parameter, int use_slider); + bool setFunctionExpression(const QString &f_str, uint id); + + /// Get the min and max value of a graph + QString functionMinValue(uint id); + QString functionMaxValue(uint id); + /// Set the min and max values of a graph. Returns true if it succeeds, otherwise false. + bool setFunctionMinValue(const QString &min, uint id); + bool setFunctionMaxValue(const QString &max, uint id); + + /// Get the startx and starty value of a graph + QString functionStartXValue(uint id); + QString functionStartYValue(uint id); + /// Set the startx and starty values of a graph. Returns true if it succeeds, otherwise false. + bool setFunctionStartXValue(const QString &x, uint id); + bool setFunctionStartYValue(const QString &y, uint id); +private: + + /// finds a free function name + void findFunctionName(QString &, int const, int const); + /// indicates if the widget is changed + bool &m_modified; +}; + +#endif //xparser_included |