/*

Copyright (C) 2013-2017 Torsten

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
<http://www.gnu.org/licenses/>.

*/

// Author: Torsten <ttl@justmail.de>

#if ! defined (octave_octave_qscintilla_h)
#define octave_octave_qscintilla_h 1

#include <Qsci/qsciscintilla.h>

#include <QContextMenuEvent>
#include <QKeyEvent>
#include <QLabel>
#include <QMenu>

class octave_qscintilla : public QsciScintilla
{
  Q_OBJECT

public:

  octave_qscintilla (QWidget *p);

  ~octave_qscintilla (void) = default;

  enum
    {
      ST_NONE = 0,
      ST_LINE_COMMENT,
      ST_BLOCK_COMMENT
    };

  virtual void contextMenuEvent (QContextMenuEvent *e);

  void context_help_doc (bool);
  void context_edit (void);
  void context_run (void);
  void get_global_textcursor_pos (QPoint *global_pos, QPoint *local_pos);
  bool get_actual_word (void);
  void clear_selection_markers (void);
  void get_current_position (int *pos, int *line, int *col);
  QString comment_string (void);
  int get_style (int pos = -1);
  int is_style_comment (int pos = -1);
  void smart_indent (bool do_smart_indent, int do_auto_close, int line);

  void smart_indent_line_or_selected_text (int lineFrom, int lineTo);

  void set_word_selection (const QString& word = QString ());

  void show_selection_markers (int line, int col, int len);

  void set_selection_marker_color (const QColor& c);

signals:

  void execute_command_in_terminal_signal (const QString&);
  void create_context_menu_signal (QMenu*);
  void context_menu_edit_signal (const QString&);
  void qsci_has_focus_signal (bool);
  void status_update (bool, bool);
  void show_doc_signal (const QString&);
  void context_menu_break_condition_signal (int);
  void context_menu_break_once (int);

private slots:

  void contextmenu_help (bool);
  void contextmenu_doc (bool);
  void contextmenu_help_doc (bool);
  void contextmenu_edit (bool);
  void contextmenu_run (bool);

  void contextmenu_break_condition (bool);
  void contextmenu_break_once (const QPoint&);

  void text_changed (void);
  void cursor_position_changed (int, int);

protected:

  void focusInEvent (QFocusEvent *focusEvent);

  void show_replace_action_tooltip (void);

  void keyPressEvent (QKeyEvent *e);

private:

  void auto_close (int auto_endif, int l,
                   const QString& line, QString& first_word);

  QString m_word_at_cursor;

  QString m_selection;
  QString m_selection_replacement;
  int m_selection_line;
  int m_selection_col;
  int m_indicator_id;
};

#endif