110 lines
2.9 KiB
C++
110 lines
2.9 KiB
C++
// -*- c++ -*-
|
|
|
|
/* $Id: signalproxy.cc,v 1.3 2006/05/12 08:08:43 murrayc Exp $ */
|
|
|
|
/* signalproxy.cc
|
|
*
|
|
* Copyright (C) 2002 The gtkmm Development Team
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 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
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the Free
|
|
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*/
|
|
|
|
#include <glib-object.h>
|
|
#include <glibmm/exceptionhandler.h>
|
|
#include <glibmm/object.h>
|
|
#include <glibmm/signalproxy.h>
|
|
|
|
|
|
namespace Glib
|
|
{
|
|
|
|
// SignalProxyBase implementation:
|
|
|
|
SignalProxyBase::SignalProxyBase(Glib::ObjectBase* obj)
|
|
:
|
|
obj_ (obj)
|
|
{}
|
|
|
|
|
|
// SignalProxyNormal implementation:
|
|
|
|
SignalProxyNormal::SignalProxyNormal(Glib::ObjectBase* obj, const SignalProxyInfo* info)
|
|
:
|
|
SignalProxyBase (obj),
|
|
info_ (info)
|
|
{}
|
|
|
|
SignalProxyNormal::~SignalProxyNormal()
|
|
{}
|
|
|
|
sigc::slot_base&
|
|
SignalProxyNormal::connect_(const sigc::slot_base& slot, bool after)
|
|
{
|
|
return connect_impl_(info_->callback, slot, after);
|
|
}
|
|
|
|
sigc::slot_base&
|
|
SignalProxyNormal::connect_notify_(const sigc::slot_base& slot, bool after)
|
|
{
|
|
return connect_impl_(info_->notify_callback, slot, after);
|
|
}
|
|
|
|
sigc::slot_base&
|
|
SignalProxyNormal::connect_impl_(GCallback callback, const sigc::slot_base& slot, bool after)
|
|
{
|
|
// create a proxy to hold our connection info
|
|
SignalProxyConnectionNode *const pConnectionNode =
|
|
new SignalProxyConnectionNode(slot, obj_->gobj());
|
|
|
|
// connect it to glib
|
|
// pConnectionNode will be passed in the data argument to the callback.
|
|
pConnectionNode->connection_id_ = g_signal_connect_data(
|
|
obj_->gobj(), info_->signal_name, callback, pConnectionNode,
|
|
&SignalProxyConnectionNode::destroy_notify_handler,
|
|
static_cast<GConnectFlags>((after) ? G_CONNECT_AFTER : 0));
|
|
|
|
return pConnectionNode->slot_;
|
|
}
|
|
|
|
void SignalProxyNormal::emission_stop()
|
|
{
|
|
g_signal_stop_emission_by_name(obj_->gobj(), info_->signal_name);
|
|
}
|
|
|
|
// static
|
|
void SignalProxyNormal::slot0_void_callback(GObject* self, void* data)
|
|
{
|
|
// Do not try to call a signal on a disassociated wrapper.
|
|
if(Glib::ObjectBase::_get_current_wrapper(self))
|
|
{
|
|
#ifdef GLIBMM_EXCEPTIONS_ENABLED
|
|
try
|
|
{
|
|
#endif //GLIBMM_EXCEPTIONS_ENABLED
|
|
if(sigc::slot_base *const slot = data_to_slot(data))
|
|
(*static_cast<sigc::slot<void>*>(slot))();
|
|
#ifdef GLIBMM_EXCEPTIONS_ENABLED
|
|
}
|
|
catch(...)
|
|
{
|
|
Glib::exception_handlers_invoke();
|
|
}
|
|
#endif //GLIBMM_EXCEPTIONS_ENABLED
|
|
}
|
|
}
|
|
|
|
} // namespace Glib
|
|
|