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#ifndef _GLIBMM_PROPERTYPROXY_BASE_H
#define _GLIBMM_PROPERTYPROXY_BASE_H
/* propertyproxy_base.h
*
* Copyright 2002 The gtkmm Development Team
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <glibmmconfig.h>
#include <glibmm/value.h>
#include <glibmm/signalproxy.h>
namespace Glib
{
class GLIBMM_API ObjectBase;
/// Use the connect() method, with sigc::ptr_fun() or sigc::mem_fun() to connect signals to signal
/// handlers.
class GLIBMM_API SignalProxyProperty : public SignalProxyBase
{
public:
friend class PropertyProxy_Base;
SignalProxyProperty(Glib::ObjectBase* obj, const gchar* property_name);
~SignalProxyProperty() noexcept;
using SlotType = sigc::slot<void()>;
sigc::connection connect(const SlotType& slot);
/** @newin{2,48}
*/
sigc::connection connect(SlotType&& slot);
protected:
const char* property_name_; // Should be a static string literal.
private:
SignalProxyProperty& operator=(const SignalProxyProperty&); // not implemented
};
class GLIBMM_API PropertyProxy_Base
{
public:
PropertyProxy_Base(ObjectBase* obj, const char* property_name);
PropertyProxy_Base(const PropertyProxy_Base& other);
/// This signal will be emitted when the property changes.
SignalProxyProperty signal_changed();
ObjectBase* get_object() const { return obj_; }
const char* get_name() const { return property_name_; }
protected:
void set_property_(const Glib::ValueBase& value);
void get_property_(Glib::ValueBase& value) const;
void reset_property_();
ObjectBase* obj_; // The C++ wrapper instance of which this PropertyProxy is a member.
const char* property_name_; // Should be a static string literal.
private:
// Declared as private, but not implemented to prevent any automatically generated implementation.
PropertyProxy_Base& operator=(const PropertyProxy_Base&);
};
#ifndef DOXYGEN_SHOULD_SKIP_THIS
class GLIBMM_API SignalProxyProperty;
/** PropertyProxyConnectionNode is a connection node for use with SignalProxyProperty.
* It's like SignalProxyConnectionNode, but it contains the property name too.
* This is not public API.
*/
class GLIBMM_API PropertyProxyConnectionNode : public SignalProxyConnectionNode
{
public:
friend class SignalProxyProperty;
PropertyProxyConnectionNode(const sigc::slot_base& slot, GObject* gobject);
/** @newin{2,48}
*/
PropertyProxyConnectionNode(sigc::slot_base&& slot, GObject* gobject);
/** Connect callback() to the notify::property_name signal.
* It invokes the slot, supplied in the constructor.
*
* @newin{2,48}
*/
sigc::connection connect_changed(const Glib::ustring& property_name);
static void callback(GObject* object, GParamSpec* pspec, gpointer data);
};
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
} // namespace Glib
#endif /* _GLIBMM_PROPERTYPROXY_BASE_H */
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