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////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2011-2024 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_Object_h)
#define octave_Object_h 1
#include <QObject>
#include "event-manager.h"
#include "graphics.h"
class QObject;
class QString;
class QWidget;
OCTAVE_BEGIN_NAMESPACE(octave)
class interpreter;
class Container;
class ObjectProxy;
class Object : public QObject
{
Q_OBJECT
public:
Object (octave::interpreter& interp, const graphics_object& go,
QObject *obj = nullptr);
virtual ~Object ();
base_properties& properties ()
{ return object ().get_properties (); }
const base_properties& properties () const
{ return object ().get_properties (); }
template <typename T>
typename T::properties& properties ()
{
return dynamic_cast<typename T::properties&>
(object ().get_properties ());
}
template <typename T>
const typename T::properties& properties () const
{
return dynamic_cast<const typename T::properties&>
(object ().get_properties ());
}
graphics_object object () const;
virtual QObject * qObject () { return m_qobject; }
template <typename T>
T * qWidget () { return qobject_cast<T *>(qObject ()); }
virtual Container * innerContainer () = 0;
static Object * fromQObject (QObject *obj);
virtual void do_connections (const QObject *receiver,
const QObject *emitter = nullptr);
signals:
void interpreter_event (const octave::fcn_callback& fcn);
void interpreter_event (const octave::meth_callback& meth);
void gh_callback_event (const graphics_handle& h, const std::string& name);
void gh_callback_event (const graphics_handle& h, const std::string& name,
const octave_value& data);
void gh_set_event (const graphics_handle& h, const std::string& name,
const octave_value& value);
void gh_set_event (const graphics_handle& h, const std::string& name,
const octave_value& value, bool notify_toolkit);
void gh_set_event (const graphics_handle& h, const std::string& name,
const octave_value& value, bool notify_toolkit,
bool redraw_figure);
public slots:
void slotUpdate (int pId);
void slotFinalize ();
void slotRedraw ();
void slotShow ();
void slotPrint (const QString& file_cmd, const QString& term);
void objectDestroyed (QObject *obj = nullptr);
protected:
static Object *
parentObject (octave::interpreter& interp, const graphics_object& go);
void init (QObject *obj, bool callBase = false);
virtual void update (int pId);
virtual void finalize ();
virtual void redraw ();
virtual void show ();
virtual void print (const QString& file_cmd, const QString& term);
virtual void beingDeleted ();
protected:
octave::interpreter& m_interpreter;
// Store the graphics object directly so that it will exist when
// we need it. Previously, it was possible for the graphics
// toolkit to get a handle to a figure, then have the interpreter
// thread delete the corresponding object before the graphics
// toolkit (GUI) thread had a chance to display it. It should be OK
// to store this object and use it in both threads (graphics_object
// uses a std::shared_ptr) provided that we protect access with
// mutex locks.
graphics_object m_go;
// Handle to the graphics object. This may be redundant now.
// Also, the whole ObjectProxy thing may not need to store a
// pointer now? Maybe we can just have a lookup table from figure
// handle to Object? What does the FLTK toolkit do? Why does
// this seem to be so complicated?
graphics_handle m_handle;
QObject *m_qobject;
};
OCTAVE_END_NAMESPACE(octave)
#endif
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