milxQtPythonConsole.h

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#ifndef _MILXQTPythonConsole_H
#define _MILXQTPythonConsole_H

/*
 *
 *  Copyright (C) 2010 MeVis Medical Solutions AG All Rights Reserved.
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library 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
 *  Lesser General Public License for more details.
 *
 *  Further, this software is distributed without any warranty that it is
 *  free of the rightful claim of any third person regarding infringement
 *  or the like.  Any license provided herein, whether implied or
 *  otherwise, applies only to this software file.  Patent licenses, if
 *  any, provided herein do not apply to combinations of this program with
 *  other software, or any other product whatsoever.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 *  Contact information: MeVis Medical Solutions AG, Universitaetsallee 29,
 *  28359 Bremen, Germany or:
 *
 *  http://www.mevis.de
 *
 */

//----------------------------------------------------------------------------------
//----------------------------------------------------------------------------------

#include "PythonQt.h"
#include <QVariant>
#include <QTextEdit>

#include "milxQtAliases.h"

class QCompleter;

//-------------------------------------------------------------------------------
class MILXQT_PLUGIN_EXPORT milxQtPythonConsole : public QTextEdit
{
    Q_OBJECT

public:
    milxQtPythonConsole(QWidget* parent, const PythonQtObjectPtr& context, Qt::WindowFlags i = 0);

    ~milxQtPythonConsole();

public slots:
    void executeLine(bool storeOnly);

    void keyPressEvent (QKeyEvent * e);

    void consoleMessage(const QString & message);

    QStringList history()
    {
        return _history;
    }

    void setHistory(const QStringList& h)
    {
        _history = h;
        _historyPosition = 0;
    }

    void clear();

    virtual void cut();

    void stdOut(const QString& s);
    void stdErr(const QString& s);

    void insertCompletion(const QString&);

    void appendCommandPrompt(bool storeOnly = false);

public:
    bool hadError()
    {
        return _hadError;
    }

    void clearError()
    {
        _hadError = false;
    }

protected:
    QAction *copyAct; 
    QAction *cutAct; 
    QAction *pasteAct; 
    QAction *clearAct; 

    void handleTabCompletion();

    int commandPromptPosition();

    bool verifySelectionBeforeDeletion();

    void setCurrentFont(const QColor& color = QColor(0,0,0), bool bold = false);

    void changeHistory();

    void flushStdOut();

    void readSettings();

    void writeSettings();

    void createActions();

    void createConnections();

    void contextMenuEvent(QContextMenuEvent *currentEvent);


private:
    void executeCode(const QString& code);

    PythonQtObjectPtr _context;

    QStringList _history;
    int         _historyPosition;

    QString _clickedAnchor;
    QString _storageKey;
    QString _commandPrompt;

    QString _currentMultiLineCode;

    QString _stdOut;
    QString _stdErr;

    QTextCharFormat _defaultTextCharacterFormat;
    QCompleter* _completer;

    bool _hadError;
};

#endif //_MILXQTPythonConsole_H