pqPythonShell.h

Go to the documentation of this file.

/*=========================================================================

   Program: ParaView
   Module:    pqPythonShell.h

   Copyright (c) 2005-2008 Sandia Corporation, Kitware Inc.
   All rights reserved.

   ParaView is a free software; you can redistribute it and/or modify it
   under the terms of the ParaView license version 1.2.

   See License_v1.2.txt for the full ParaView license.
   A copy of this license can be obtained by contacting
   Kitware Inc.
   28 Corporate Drive
   Clifton Park, NY 12065
   USA

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

=========================================================================*/
#ifndef _pqPythonShell_h
#define _pqPythonShell_h

#include "pqPythonModule.h" //  needed for PQPYTHON_EXPORT.
#include <QScopedPointer>   // needed for QScopedPointer.
#include <QWidget>

class vtkObject;
class pqConsoleWidget;

class PQPYTHON_EXPORT pqPythonShell : public QWidget
{
  Q_OBJECT
  typedef QWidget Superclass;

public:
  pqPythonShell(QWidget* parent = nullptr, Qt::WindowFlags flags = Qt::WindowFlags{});
  ~pqPythonShell() override;

  void* consoleLocals();


  void setFontSize(int fontSize);

  enum PrintMode
  {
    STATUS,
    OUTPUT,
    ERROR
  };

public Q_SLOTS:
  void printMessage(const QString&);

  void clear();

  void executeScript(const QString&);

  void reset();

  bool isExecuting() const;

  void printString(const QString&, PrintMode mode = STATUS);

  static void setPreamble(const QStringList& statements);
  static const QStringList& preamble();

  void initialize();

Q_SIGNALS:
  void executing(bool starting);

protected Q_SLOTS:
  void pushScript(const QString&);
  void runScript();

protected:
  pqConsoleWidget* ConsoleWidget;
  const char* Prompt;
  static QStringList Preamble;

  static const char* PS1() { return ">>> "; }
  static const char* PS2() { return "... "; }

  bool prompt(const QString& indent = QString());

  void HandleInterpreterEvents(vtkObject* caller, unsigned long eventid, void* calldata);

private:
  Q_DISABLE_COPY(pqPythonShell)
  bool Prompted;

  class pqInternals;
  friend class pqInternals;
  QScopedPointer<pqInternals> Internals;
};

#endif // !_pqPythonShell_h