qskinny/playground/invoker/Invoker.cpp
2024-01-17 14:31:45 +01:00

98 lines
2.7 KiB
C++

/******************************************************************************
* QSkinny - Copyright (C) The authors
* SPDX-License-Identifier: BSD-3-Clause
*****************************************************************************/
#include "Invoker.h"
#include <QMetaProperty>
#include <QThread>
Invoker::Invoker( QObject* parent )
: QObject( parent )
{
}
void Invoker::addFunctionCall(
const QObject* object, const QskMetaFunction& function )
{
m_callbacks.append( Callback( object, function ) );
}
void Invoker::addMethodCall(
const QObject* object, const char* methodName )
{
m_callbacks.append( Callback( object, methodName ) );
}
void Invoker::addPropertyCall(
const QObject* object, const char* property )
{
const auto metaProperty = object->metaObject()->property(
object->metaObject()->indexOfProperty( property ) );
m_callbacks.append( Callback( object, metaProperty ) );
}
void Invoker::invoke(
qreal realValue, int intValue, Qt::ConnectionType connectionType )
{
QString s = QString( "S: %1 + %2" ).arg( realValue ).arg( intValue );
for ( auto& callback : m_callbacks )
{
void* args[ 4 ] = { nullptr };
void** a = args + 1;
const auto& invokable = callback.invokable();
for ( int i = 0; i < invokable.parameterCount(); i++ )
{
switch ( invokable.parameterType( i ) )
{
case QMetaType::Int:
{
*a++ = reinterpret_cast< void* >( &intValue );
break;
}
case QMetaType::Double:
{
*a++ = reinterpret_cast< void* >( &realValue );
break;
}
case QMetaType::QString:
{
*a++ = reinterpret_cast< void* >( &s );
break;
}
default:
break;
}
}
switch ( connectionType & 0x3 )
{
case Qt::DirectConnection:
{
callback.invoke( args, connectionType );
break;
}
case Qt::QueuedConnection:
{
if ( callback.context() )
callback.invoke( args, connectionType );
break;
}
case Qt::BlockingQueuedConnection:
{
const auto receiver = callback.context();
if ( receiver && receiver->thread() != QThread::currentThread() )
callback.invoke( args, connectionType );
break;
}
}
}
}