view libgui/src/m-editor/octave-qscintilla.cc @ 21301:40de9f8f23a6

Use '#include "config.h"' rather than <config.h>. * mk-octave-config-h.sh, mk-opts.pl, Backend.cc, BaseControl.cc, ButtonControl.cc, Canvas.cc, CheckBoxControl.cc, Container.cc, ContextMenu.cc, EditControl.cc, Figure.cc, FigureWindow.cc, GLCanvas.cc, KeyMap.cc, ListBoxControl.cc, Logger.cc, Menu.cc, MouseModeActionGroup.cc, Object.cc, ObjectFactory.cc, ObjectProxy.cc, Panel.cc, PopupMenuControl.cc, PushButtonControl.cc, PushTool.cc, QtHandlesUtils.cc, RadioButtonControl.cc, SliderControl.cc, TextControl.cc, TextEdit.cc, ToggleButtonControl.cc, ToggleTool.cc, ToolBar.cc, ToolBarButton.cc, __init_qt__.cc, annotation-dialog.cc, gl-select.cc, module.mk, kpty.cpp, color-picker.cc, dialog.cc, documentation-dock-widget.cc, files-dock-widget.cc, find-files-dialog.cc, find-files-model.cc, history-dock-widget.cc, file-editor-tab.cc, file-editor-tab.h, file-editor.cc, find-dialog.cc, marker.cc, octave-qscintilla.cc, octave-txt-lexer.cc, main-window.cc, octave-cmd.cc, octave-dock-widget.cc, octave-gui.cc, octave-interpreter.cc, octave-qt-link.cc, parser.cc, webinfo.cc, resource-manager.cc, settings-dialog.cc, shortcut-manager.cc, terminal-dock-widget.cc, thread-manager.cc, welcome-wizard.cc, workspace-model.cc, workspace-view.cc, build-env-features.sh, build-env.in.cc, Cell.cc, __contourc__.cc, __dispatch__.cc, __dsearchn__.cc, __ichol__.cc, __ilu__.cc, __lin_interpn__.cc, __pchip_deriv__.cc, __qp__.cc, balance.cc, besselj.cc, betainc.cc, bitfcns.cc, bsxfun.cc, c-file-ptr-stream.cc, cdisplay.c, cellfun.cc, coct-hdf5-types.c, colloc.cc, comment-list.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, debug.cc, defaults.cc, defun.cc, det.cc, dirfns.cc, display.cc, dlmread.cc, dot.cc, dynamic-ld.cc, eig.cc, ellipj.cc, error.cc, errwarn.cc, event-queue.cc, fft.cc, fft2.cc, fftn.cc, file-io.cc, filter.cc, find.cc, ft-text-renderer.cc, gammainc.cc, gcd.cc, getgrent.cc, getpwent.cc, getrusage.cc, givens.cc, gl-render.cc, gl2ps-print.cc, graphics.cc, gripes.cc, hash.cc, help.cc, hess.cc, hex2num.cc, hook-fcn.cc, input.cc, inv.cc, jit-ir.cc, jit-typeinfo.cc, jit-util.cc, kron.cc, load-path.cc, load-save.cc, lookup.cc, ls-ascii-helper.cc, ls-hdf5.cc, ls-mat-ascii.cc, ls-mat4.cc, ls-mat5.cc, ls-oct-binary.cc, ls-oct-text.cc, ls-utils.cc, lsode.cc, lu.cc, luinc.cc, mappers.cc, matrix_type.cc, max.cc, mex.cc, mgorth.cc, nproc.cc, oct-errno.in.cc, oct-fstrm.cc, oct-hdf5-types.cc, oct-hist.cc, oct-iostrm.cc, oct-lvalue.cc, oct-map.cc, oct-prcstrm.cc, oct-procbuf.cc, oct-stream.cc, oct-strstrm.cc, oct-tex-lexer.in.ll, oct-tex-parser.in.yy, octave-link.cc, ordschur.cc, pager.cc, pinv.cc, pr-output.cc, procstream.cc, profiler.cc, psi.cc, pt-jit.cc, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc, regexp.cc, schur.cc, sighandlers.cc, siglist.c, sparse-xdiv.cc, sparse-xpow.cc, sparse.cc, spparms.cc, sqrtm.cc, str2double.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc, sylvester.cc, symtab.cc, syscalls.cc, sysdep.cc, text-renderer.cc, time.cc, toplev.cc, tril.cc, tsearch.cc, txt-eng.cc, typecast.cc, urlwrite.cc, utils.cc, variables.cc, xdiv.cc, xgl2ps.c, xnorm.cc, xpow.cc, zfstream.cc, __delaunayn__.cc, __eigs__.cc, __fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc, __init_gnuplot__.cc, __magick_read__.cc, __osmesa_print__.cc, __voronoi__.cc, amd.cc, audiodevinfo.cc, audioread.cc, ccolamd.cc, chol.cc, colamd.cc, convhulln.cc, dmperm.cc, fftw.cc, qr.cc, symbfact.cc, symrcm.cc, mkbuiltins, mkops, ov-base-diag.cc, ov-base-int.cc, ov-base-mat.cc, ov-base-scalar.cc, ov-base-sparse.cc, ov-base.cc, ov-bool-mat.cc, ov-bool-sparse.cc, ov-bool.cc, ov-builtin.cc, ov-cell.cc, ov-ch-mat.cc, ov-class.cc, ov-classdef.cc, ov-colon.cc, ov-complex.cc, ov-cs-list.cc, ov-cx-diag.cc, ov-cx-mat.cc, ov-cx-sparse.cc, ov-dld-fcn.cc, ov-fcn-handle.cc, ov-fcn-inline.cc, ov-fcn.cc, ov-float.cc, ov-flt-complex.cc, ov-flt-cx-diag.cc, ov-flt-cx-mat.cc, ov-flt-re-diag.cc, ov-flt-re-mat.cc, ov-int16.cc, ov-int32.cc, ov-int64.cc, ov-int8.cc, ov-java.cc, ov-lazy-idx.cc, ov-mex-fcn.cc, ov-null-mat.cc, ov-oncleanup.cc, ov-perm.cc, ov-range.cc, ov-re-diag.cc, ov-re-mat.cc, ov-re-sparse.cc, ov-scalar.cc, ov-str-mat.cc, ov-struct.cc, ov-typeinfo.cc, ov-uint16.cc, ov-uint32.cc, ov-uint64.cc, ov-uint8.cc, ov-usr-fcn.cc, ov.cc, ovl.cc, octave.cc, op-b-b.cc, op-b-bm.cc, op-b-sbm.cc, op-bm-b.cc, op-bm-bm.cc, op-bm-sbm.cc, op-cdm-cdm.cc, op-cell.cc, op-chm.cc, op-class.cc, op-cm-cm.cc, op-cm-cs.cc, op-cm-m.cc, op-cm-s.cc, op-cm-scm.cc, op-cm-sm.cc, op-cs-cm.cc, op-cs-cs.cc, op-cs-m.cc, op-cs-s.cc, op-cs-scm.cc, op-cs-sm.cc, op-dm-dm.cc, op-dm-scm.cc, op-dm-sm.cc, op-dm-template.cc, op-dms-template.cc, op-double-conv.cc, op-fcdm-fcdm.cc, op-fcdm-fdm.cc, op-fcm-fcm.cc, op-fcm-fcs.cc, op-fcm-fm.cc, op-fcm-fs.cc, op-fcn.cc, op-fcs-fcm.cc, op-fcs-fcs.cc, op-fcs-fm.cc, op-fcs-fs.cc, op-fdm-fdm.cc, op-float-conv.cc, op-fm-fcm.cc, op-fm-fcs.cc, op-fm-fm.cc, op-fm-fs.cc, op-fs-fcm.cc, op-fs-fcs.cc, op-fs-fm.cc, op-fs-fs.cc, op-i16-i16.cc, op-i32-i32.cc, op-i64-i64.cc, op-i8-i8.cc, op-int-concat.cc, op-int-conv.cc, op-m-cm.cc, op-m-cs.cc, op-m-m.cc, op-m-s.cc, op-m-scm.cc, op-m-sm.cc, op-pm-pm.cc, op-pm-scm.cc, op-pm-sm.cc, op-pm-template.cc, op-range.cc, op-s-cm.cc, op-s-cs.cc, op-s-m.cc, op-s-s.cc, op-s-scm.cc, op-s-sm.cc, op-sbm-b.cc, op-sbm-bm.cc, op-sbm-sbm.cc, op-scm-cm.cc, op-scm-cs.cc, op-scm-m.cc, op-scm-s.cc, op-scm-scm.cc, op-scm-sm.cc, op-sm-cm.cc, op-sm-cs.cc, op-sm-m.cc, op-sm-s.cc, op-sm-scm.cc, op-sm-sm.cc, op-str-m.cc, op-str-s.cc, op-str-str.cc, op-struct.cc, op-ui16-ui16.cc, op-ui32-ui32.cc, op-ui64-ui64.cc, op-ui8-ui8.cc, lex.ll, oct-parse.in.yy, pt-arg-list.cc, pt-array-list.cc, pt-assign.cc, pt-binop.cc, pt-bp.cc, pt-cbinop.cc, pt-cell.cc, pt-check.cc, pt-classdef.cc, pt-cmd.cc, pt-colon.cc, pt-const.cc, pt-decl.cc, pt-eval.cc, pt-except.cc, pt-exp.cc, pt-fcn-handle.cc, pt-funcall.cc, pt-id.cc, pt-idx.cc, pt-jump.cc, pt-loop.cc, pt-mat.cc, pt-misc.cc, pt-pr-code.cc, pt-select.cc, pt-stmt.cc, pt-unop.cc, pt.cc, token.cc, Array-jit.cc, Array-os.cc, Array-sym.cc, Array-tc.cc, version.cc, Array-C.cc, Array-b.cc, Array-ch.cc, Array-d.cc, Array-f.cc, Array-fC.cc, Array-i.cc, Array-idx-vec.cc, Array-s.cc, Array-str.cc, Array-util.cc, Array-voidp.cc, Array.cc, CColVector.cc, CDiagMatrix.cc, CMatrix.cc, CNDArray.cc, CRowVector.cc, CSparse.cc, DiagArray2.cc, MArray-C.cc, MArray-d.cc, MArray-f.cc, MArray-fC.cc, MArray-i.cc, MArray-s.cc, MArray.cc, MDiagArray2.cc, MSparse-C.cc, MSparse-d.cc, MatrixType.cc, PermMatrix.cc, Range.cc, Sparse-C.cc, Sparse-b.cc, Sparse-d.cc, Sparse.cc, boolMatrix.cc, boolNDArray.cc, boolSparse.cc, chMatrix.cc, chNDArray.cc, dColVector.cc, dDiagMatrix.cc, dMatrix.cc, dNDArray.cc, dRowVector.cc, dSparse.cc, dim-vector.cc, fCColVector.cc, fCDiagMatrix.cc, fCMatrix.cc, fCNDArray.cc, fCRowVector.cc, fColVector.cc, fDiagMatrix.cc, fMatrix.cc, fNDArray.cc, fRowVector.cc, idx-vector.cc, int16NDArray.cc, int32NDArray.cc, int64NDArray.cc, int8NDArray.cc, intNDArray.cc, uint16NDArray.cc, uint32NDArray.cc, uint64NDArray.cc, uint8NDArray.cc, blaswrap.c, cquit.c, f77-extern.cc, f77-fcn.c, lo-error.c, quit.cc, CollocWt.cc, DASPK.cc, DASRT.cc, DASSL.cc, EIG.cc, LSODE.cc, ODES.cc, Quad.cc, aepbalance.cc, chol.cc, eigs-base.cc, fEIG.cc, gepbalance.cc, hess.cc, lo-mappers.cc, lo-specfun.cc, lu.cc, oct-convn.cc, oct-fftw.cc, oct-norm.cc, oct-rand.cc, oct-spparms.cc, qr.cc, qrp.cc, randgamma.c, randmtzig.c, randpoisson.c, schur.cc, sparse-chol.cc, sparse-dmsolve.cc, sparse-lu.cc, sparse-qr.cc, svd.cc, mk-ops.awk, dir-ops.cc, file-ops.cc, file-stat.cc, lo-sysdep.cc, mach-info.cc, oct-env.cc, oct-group.cc, oct-passwd.cc, oct-syscalls.cc, oct-time.cc, oct-uname.cc, cmd-edit.cc, cmd-hist.cc, data-conv.cc, f2c-main.c, glob-match.cc, kpse.cc, lo-array-errwarn.cc, lo-array-gripes.cc, lo-cutils.c, lo-ieee.cc, lo-regexp.cc, lo-utils.cc, oct-base64.cc, oct-glob.cc, oct-inttypes.cc, oct-locbuf.cc, oct-mutex.cc, oct-rl-edit.c, oct-rl-hist.c, oct-shlib.cc, oct-sort.cc, pathsearch.cc, singleton-cleanup.cc, sparse-sort.cc, sparse-util.cc, str-vec.cc, unwind-prot.cc, url-transfer.cc, display-available.c, main-cli.cc, main-gui.cc, main.in.cc, mkoctfile.in.cc, octave-config.in.cc: Use '#include "config.h"' rather than <config.h>.
author Rik <rik@octave.org>
date Thu, 18 Feb 2016 13:34:50 -0800
parents 710e700cdd7f
children dc3252099232
line wrap: on
line source

/*

Copyright (C) 2013-2015 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>

#ifdef HAVE_CONFIG_H
#  include "config.h"
#endif

#ifdef HAVE_QSCINTILLA

#include <Qsci/qscilexer.h>
#include <Qsci/qscicommandset.h>
#include <QShortcut>
#include <QMessageBox>

#include "octave-qscintilla.h"
#include "file-editor-tab.h"
#include "shortcut-manager.h"

octave_qscintilla::octave_qscintilla (QWidget *p)
  : QsciScintilla (p)
{
  connect (this, SIGNAL (textChanged ()), this, SLOT (text_changed ()));

  // clear scintilla edit shortcuts that are handled by the editor
  QsciCommandSet *cmd_set = standardCommands ();

#ifdef HAVE_QSCI_VERSION_2_6_0
  // find () was added in QScintilla 2.6
  cmd_set->find (QsciCommand::SelectionCopy)->setKey (0);
  cmd_set->find (QsciCommand::SelectionCut)->setKey (0);
  cmd_set->find (QsciCommand::Paste)->setKey (0);
  cmd_set->find (QsciCommand::SelectAll)->setKey (0);
  cmd_set->find (QsciCommand::SelectionDuplicate)->setKey (0);
  cmd_set->find (QsciCommand::LineTranspose)->setKey (0);
  cmd_set->find (QsciCommand::Undo)->setKey (0);
  cmd_set->find (QsciCommand::Redo)->setKey (0);
  cmd_set->find (QsciCommand::SelectionUpperCase)->setKey (0);
  cmd_set->find (QsciCommand::SelectionLowerCase)->setKey (0);
  cmd_set->find (QsciCommand::ZoomIn)->setKey (0);
  cmd_set->find (QsciCommand::ZoomOut)->setKey (0);
  cmd_set->find (QsciCommand::DeleteWordLeft)->setKey (0);
  cmd_set->find (QsciCommand::DeleteWordRight)->setKey (0);
  cmd_set->find (QsciCommand::DeleteLineLeft)->setKey (0);
  cmd_set->find (QsciCommand::DeleteLineRight)->setKey (0);
  cmd_set->find (QsciCommand::LineDelete)->setKey (0);
  cmd_set->find (QsciCommand::LineCut)->setKey (0);
  cmd_set->find (QsciCommand::LineCopy)->setKey (0);
#else
  // find commands via its default key (tricky way without find ())
  QList< QsciCommand * > cmd_list = cmd_set->commands ();
  for (int i = 0; i < cmd_list.length (); i++)
    {
      int cmd_key = cmd_list.at (i)->key ();
      switch (cmd_key)
        {
          case Qt::Key_C | Qt::CTRL :               // SelectionCopy
          case Qt::Key_X | Qt::CTRL :               // SelectionCut
          case Qt::Key_V | Qt::CTRL :               // Paste
          case Qt::Key_A | Qt::CTRL :               // SelectAll
          case Qt::Key_D | Qt::CTRL :               // SelectionDuplicate
          case Qt::Key_T | Qt::CTRL :               // LineTranspose
          case Qt::Key_Z | Qt::CTRL :               // Undo
          case Qt::Key_Y | Qt::CTRL :               // Redo
          case Qt::Key_Z | Qt::CTRL | Qt::SHIFT :   // Redo
          case Qt::Key_U | Qt::CTRL :               // SelectionLowerCase
          case Qt::Key_U | Qt::CTRL | Qt::SHIFT :   // SelectionUpperCase
          case Qt::Key_Plus | Qt::CTRL :            // ZoomIn
          case Qt::Key_Minus | Qt::CTRL :           // ZoomOut
          case Qt::Key_Backspace | Qt::CTRL | Qt::SHIFT :   // DeleteLineLeft
          case Qt::Key_Delete | Qt::CTRL | Qt::SHIFT :      // DeleteLineRight
          case Qt::Key_K | Qt::META :                       // DeleteLineRight
          case Qt::Key_Backspace | Qt::CTRL :       // DeleteWordLeft
          case Qt::Key_Delete | Qt::CTRL :          // DeleteWordRight
          case Qt::Key_L | Qt::CTRL | Qt::SHIFT :   // LineDelete
          case Qt::Key_L | Qt::CTRL :               // LineCut
          case Qt::Key_T | Qt::CTRL | Qt::SHIFT :   // LineCopy
            cmd_list.at (i)->setKey (0);
        }
    }
#endif

#if defined (Q_OS_MAC)
  // Octave interprets Cmd key as Meta whereas Qscintilla interprets it
  // as Ctrl. We thus invert Meta/Ctrl in Qscintilla's shortcuts list.
  QList< QsciCommand * > cmd_list_mac = cmd_set->commands ();
  for (int i = 0; i < cmd_list_mac.length (); i++)
    {
      // Primary key
      int key = cmd_list_mac.at (i)->key ();

      if (static_cast<int> (key | Qt::META) == key &&
          static_cast<int> (key | Qt::CTRL) != key)
        key = (key ^ Qt::META) | Qt::CTRL;
      else if (static_cast<int> (key | Qt::CTRL) == key)
        key = (key ^ Qt::CTRL) | Qt::META;

      cmd_list_mac.at (i)->setKey (key);

      // Alternate key
      key = cmd_list_mac.at (i)->alternateKey ();

      if (static_cast<int> (key | Qt::META) == key &&
          static_cast<int> (key | Qt::CTRL) != key)
        key = (key ^ Qt::META) | Qt::CTRL;
      else if (static_cast<int> (key | Qt::CTRL) == key)
        key = (key ^ Qt::CTRL) | Qt::META;

      cmd_list_mac.at (i)->setAlternateKey (key);
    }
#endif

  // init state of undo/redo action for this tab
  emit status_update (isUndoAvailable (), isRedoAvailable ());
}

octave_qscintilla::~octave_qscintilla ()
{ }

void
octave_qscintilla::get_global_textcursor_pos (QPoint *global_pos,
                                              QPoint *local_pos)
{
  long position = SendScintilla (SCI_GETCURRENTPOS);
  long point_x  = SendScintilla
                    (SCI_POINTXFROMPOSITION,0,position);
  long point_y  = SendScintilla
                    (SCI_POINTYFROMPOSITION,0,position);
  *local_pos = QPoint (point_x,point_y);  // local cursor position
  *global_pos = mapToGlobal (*local_pos); // global position of cursor
}

// determine the actual word and whether we are in an octave or matlab script
bool
octave_qscintilla::get_actual_word ()
{
  QPoint global_pos, local_pos;
  get_global_textcursor_pos (&global_pos, &local_pos);
  _word_at_cursor = wordAtPoint (local_pos);
  QString lexer_name = lexer ()->lexer ();
  return ((lexer_name == "octave" || lexer_name == "matlab")
          && ! _word_at_cursor.isEmpty ());
}

// call documentation or help on the current word
void
octave_qscintilla::context_help_doc (bool documentation)
{
  if (get_actual_word ())
    contextmenu_help_doc (documentation);
}

// call edit the function related to the current word
void
octave_qscintilla::context_edit ()
{
  if (get_actual_word ())
    contextmenu_edit (true);
}

// call edit the function related to the current word
void
octave_qscintilla::context_run ()
{
  if (hasSelectedText ())
    contextmenu_run (true);
}

// context menu requested
void
octave_qscintilla::contextMenuEvent (QContextMenuEvent *e)
{
#ifdef HAVE_QSCI_VERSION_2_6_0
  QPoint global_pos, local_pos;                         // the menu's position
  QMenu *context_menu = createStandardContextMenu ();  // standard menu

  bool in_left_margin = false;

  // determine position depending on mouse or keyboard event
  if (e->reason () == QContextMenuEvent::Mouse)
    {
      // context menu by mouse
      global_pos = e->globalPos ();            // global mouse position
      local_pos  = e->pos ();                  // local mouse position
      if (e->x () < marginWidth (1) + marginWidth (2))
        in_left_margin = true;
    }
  else
    {
      // context menu by keyboard or other: get point of text cursor
      get_global_textcursor_pos (&global_pos, &local_pos);
      QRect editor_rect = geometry ();      // editor rect mapped to global
      editor_rect.moveTopLeft
      (parentWidget ()->mapToGlobal (editor_rect.topLeft ()));
      if (! editor_rect.contains (global_pos))  // is cursor outside editor?
        global_pos = editor_rect.topLeft ();   // yes, take top left corner
    }

  if (! in_left_margin)
    {
      // fill context menu with editor's standard actions
      emit create_context_menu_signal (context_menu);

      // additional custom entries of the context menu
      context_menu->addSeparator ();   // separator before custom entries

      // help menu: get the position of the mouse or the text cursor
      // (only for octave files)
      QString lexer_name = lexer ()->lexer ();
      if (lexer_name == "octave" || lexer_name == "matlab")
        {
          _word_at_cursor = wordAtPoint (local_pos);
          if (! _word_at_cursor.isEmpty ())
            {
              context_menu->addAction (tr ("Help on") + " " + _word_at_cursor,
                                       this, SLOT (contextmenu_help (bool)));
              context_menu->addAction (tr ("Documentation on")
                                       + " " + _word_at_cursor,
                                       this, SLOT (contextmenu_doc (bool)));
              context_menu->addAction (tr ("Edit") + " " + _word_at_cursor,
                                       this, SLOT (contextmenu_edit (bool)));
            }
        }
      }
    else
      {
        // remove all standard actions from scintilla
        QList<QAction *> all_actions = context_menu->actions ();
        QAction* a;

        foreach (a, all_actions)
          context_menu->removeAction (a);

        a = context_menu->addAction (tr ("dbstop if ..."), this,
                                     SLOT (contextmenu_break_condition (bool)));
        a->setData (local_pos);
      }

  // finaly show the menu
  context_menu->exec (global_pos);
#endif
}


// handle the menu entry for calling help or doc
void
octave_qscintilla::contextmenu_doc (bool)
{
  contextmenu_help_doc (true);
}
void
octave_qscintilla::contextmenu_help (bool)
{
  contextmenu_help_doc (false);
}

// common function with flag for documentation
void
octave_qscintilla::contextmenu_help_doc (bool documentation)
{
  if (documentation)
    emit show_doc_signal (_word_at_cursor);
  else
    emit execute_command_in_terminal_signal ("help " + _word_at_cursor);
}

void
octave_qscintilla::contextmenu_edit (bool)
{
  emit context_menu_edit_signal (_word_at_cursor);
}

void
octave_qscintilla::contextmenu_run (bool)
{
  QStringList commands = selectedText ().split (QRegExp("[\r\n]"),
                                                QString::SkipEmptyParts);
  for (int i = 0; i < commands.size (); i++)
    emit execute_command_in_terminal_signal (commands.at (i));
}

// wrappers for dbstop related context menu items

#ifdef HAVE_QSCI_VERSION_2_6_0
// FIXME Why can't the data be sent as the argument to the function???
void
octave_qscintilla::contextmenu_break_condition (bool)
{
  QAction *action = qobject_cast<QAction *>(sender());
  QPoint local_pos = action->data ().value<QPoint> ();

  // pick point just right of margins, so lineAt doesn't give -1
  int margins = marginWidth (1) + marginWidth (2) + marginWidth (3);
  local_pos = QPoint (margins + 1, local_pos.y ());

  emit context_menu_break_condition_signal (lineAt (local_pos));
}

void
octave_qscintilla::contextmenu_break_once (const QPoint& local_pos)
{
  emit context_menu_break_once (lineAt (local_pos));
}

/*
void
octave_qscintilla::contextmenu_break_if_caught (bool)
{
  emit context_menu_break_if_caught
}
*/
#endif // HAVE_QSCI_VERSION_2_6_0

void
octave_qscintilla::text_changed ()
{
  emit status_update (isUndoAvailable (), isRedoAvailable ());
}

// when edit area gets focus update information on undo/redo actions
void octave_qscintilla::focusInEvent(QFocusEvent *focusEvent)
{
  emit status_update (isUndoAvailable (), isRedoAvailable ());

  QsciScintilla::focusInEvent(focusEvent);
}

#endif