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/***********************************************************************
* fcallback.cpp - Implements the callback functionality *
* *
* This file is part of the FINAL CUT widget toolkit *
* *
* Copyright 2020-2021 Markus Gans *
* *
* FINAL CUT 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 3 of *
* the License, or (at your option) any later version. *
* *
* FINAL CUT 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 program. If not, see *
* <http://www.gnu.org/licenses/>. *
***********************************************************************/
#include "final/util/fcallback.h"
namespace finalcut
{
//----------------------------------------------------------------------
// class FCallback
//----------------------------------------------------------------------
// public methods of FCallback
//----------------------------------------------------------------------
void FCallback::delCallback (const FString& cb_signal)
{
// Deletes entries with the given signal from the callback list
if ( callback_objects.empty() )
return;
auto iter = callback_objects.cbegin();
while ( iter != callback_objects.cend() )
{
if ( iter->cb_signal == cb_signal )
iter = callback_objects.erase(iter);
else
++iter;
}
}
//----------------------------------------------------------------------
void FCallback::delCallback()
{
// Delete all callbacks from this widget
callback_objects.clear(); // function pointer
}
//----------------------------------------------------------------------
void FCallback::emitCallback (const FString& emit_signal) const
{
// Initiate callback for the given signal
if ( callback_objects.empty() )
return;
for (auto&& cback : callback_objects)
{
if ( cback.cb_signal == emit_signal )
{
// Calling the stored function pointer
cback.cb_function();
}
}
}
} // namespace finalcut
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