/usr/include/Analitza5/analitzagui/expressionedit.h is in libanalitza-dev 4:15.12.3-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* *
* This program is free software; you can redistribute it and/or *
* Copyright (C) 2007 by Aleix Pol <aleixpol@kde.org> *
* 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 EXPRESSIONEDIT_H
#define EXPRESSIONEDIT_H
#include <QPlainTextEdit>
#include <QCompleter>
#include <QLabel>
#include <QTreeView>
#include <analitzagui/algebrahighlighter.h>
#include "analitzawidgets_export.h"
class QKeyEvent;
class OperatorsModel;
namespace Analitza
{
class Variables;
class Analyzer;
class Expression;
/**
* \class ExpressionEdit
*
* \ingroup AnalitzaGUIModule
*
* \brief A widget for manipulate mathemathical expressions.
*
* The expression edit widget is the one where we will input our expressions.
*/
class ANALITZAWIDGETS_EXPORT ExpressionEdit : public QPlainTextEdit
{
Q_OBJECT
public:
/** Constructor. Creates a new ExpressionEdit.
* @param parent is the widget parent.
* @param ini specifies what input format is going to expect the highlighting.
*/
explicit ExpressionEdit(QWidget *parent = 0, AlgebraHighlighter::Mode ini=AlgebraHighlighter::Autodetect);
/** Destructor. */
~ExpressionEdit();
/** Returns the ExpressionEdit input mode. */
AlgebraHighlighter::Mode mode() { return m_highlight->mode(); }
/** Sets the ExpressionEdit input mode. */
void setMode(AlgebraHighlighter::Mode en);
/** Sets whether autocompletion will be used. */
void setAutocomplete(bool a);
/** Returns whether autocompletion will be used. */
bool autocomplete();
/** Returns whether there is MathML on the widget. */
bool isMathML() const;
/** Sets an Analyzer @p in module associated to the ExpressionEdit. It is used to autocomplete variables. */
void setAnalitza(Analitza::Analyzer* in);
/** Returns the expression string that we have. */
QString text() const { return this->toPlainText();}
/** Sets the expression string @p str we have. */
void setText(const QString &str) { setPlainText(str);}
/** Sets whether it is correct. Changes the background color. */
void setCorrect(bool cor);
/** Checks whether it has been set to correct. */
bool isCorrect() const;
/** Sets the string @p ans that will be entered when an operator is pressed. */
void setAns(const QString &ans) { m_ans=ans; }
/** Returns the string that will be entered when the first operator is pressed. */
QString ans() const { return m_ans; }
/** Sets an expression to the input box. */
void setExpression(const Analitza::Expression& e);
/** Returns the expression we have in the text. */
Analitza::Expression expression() const;
/** Sets the @p examples to be shown in the context menu */
void setExamples(const QStringList& ex) { m_examples=ex; }
public Q_SLOTS:
/** Inserts @p text text where the cursor is and selects it */
void insertText(const QString& text);
private Q_SLOTS:
void showSimplified();
void cursorMov();
void updateCompleter();
void setActionText(QAction* text);
/** Shows a little tip widget containing the string @p str. If @p str is empty the widget is hidden. */
void helper(const QString& str);
/** Tries to complete the currently edited word with the @p word. */
void completed(const QString &word);
/** Sets the Mode to MathML */
void toMathML() { setMode(AlgebraHighlighter::MathML); }
/** Sets the Mode to Expression */
void toExpression() { setMode(AlgebraHighlighter::Expression); }
/** Simplify the current expression. */
void simplify();
/** Is the execution function, when return is pressed. */
void returnP(); //FIXME: Change my name please
Q_SIGNALS:
/** Emits that a return has been pressed. */
void returnPressed();
/** Deprecated. */
void signalHelper(QString);
protected:
/** Inherited from QTextEdit, just deals with the menu. */
void contextMenuEvent(QContextMenuEvent * e);
private:
bool returnPress();
QString helpShow(const QString& funcname, int param, bool bounds, const Analitza::Variables* v) const;
void helper(const QString&, const QPoint& p);
QString lastWord(int);
void focusInEvent (QFocusEvent * event);
void focusOutEvent ( QFocusEvent * event );
void removenl();
void keyPressEvent(QKeyEvent * e);
QLabel *m_helptip;
AlgebraHighlighter *m_highlight;
int m_histPos;
QStringList m_history;
Analitza::Analyzer *a;
bool m_correct;
QString m_ans;
QCompleter *m_completer;
OperatorsModel *m_ops;
QStringList m_examples;
QTimer* m_hideHelpTip;
int m_lineHeight;
};
}
#endif
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