command-widget.h

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////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2021-2023 The Octave Project Developers
//
// See the file COPYRIGHT.md in the top-level directory of this
// distribution or <https://octave.org/copyright/>.
//
// This file is part of Octave.
//
// Octave 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.
//
// Octave 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 Octave; see the file COPYING.  If not, see
// <https://www.gnu.org/licenses/>.
//
////////////////////////////////////////////////////////////////////////
 
#if ! defined (octave_command_widget_h)
#define octave_command_widget_h 1
 
#include <QWidget>
 
#include <Qsci/qsciscintilla.h>
 
#include "octave-qobject.h"
#include "gui-settings.h"
 
class QsciScintilla;
 
OCTAVE_BEGIN_NAMESPACE(octave)
 
class base_qobject;
class command_widget;
 
class console : public QsciScintilla
{
  Q_OBJECT
 
public:
 
  console (command_widget *p, base_qobject& oct_qobj);
 
public slots:
 
  void cursor_position_changed (int line, int col);
 
  void text_changed (void);
 
  void move_cursor_to_end (void);
 
  void new_command_line (const QString& command = QString ());
 
  void execute_command (const QString& command);
 
protected:
 
  void keyPressEvent (QKeyEvent *e);
 
private:
 
  void append_string (const QString& string);
 
  void accept_command_line (void);
 
  int m_command_position;
  int m_cursor_position;
  bool m_text_changed;
  command_widget *m_command_widget;
  QString m_last_key_string;
 
};
 
class command_widget : public QWidget
{
  Q_OBJECT
 
public:
 
  command_widget (base_qobject& oct_qobj, QWidget *p);
 
  console * get_console ( ) { return m_console; };
 
  void init_command_prompt ();
 
  QString prompt (void);
 
signals:
 
  void clear_line_edit (void);
 
  void interpreter_pause (void);
  void interpreter_resume (void);
  void interpreter_stop (void);
 
  void interpreter_event (const fcn_callback& fcn);
  void interpreter_event (const meth_callback& meth);
 
  void new_command_line_signal (const QString& command = QString ());
 
public slots:
 
  void process_input_line (const QString& input_line);
 
  void update_prompt (const QString& prompt);
 
  void insert_interpreter_output (const QString& msg);
 
  void notice_settings (const gui_settings *settings);
 
private:
 
  bool m_incomplete_parse;
  QString m_prompt;
  console *m_console;
};
 
OCTAVE_END_NAMESPACE(octave)
 
#endif