Files
qt5-legatus-legacy/Lts/Viewer/SituationMap/Rubberbands/event_delegater.cpp
T
2026-08-13 18:33:10 +02:00

73 lines
2.3 KiB
C++
Executable File

/**
**
** @RDE_HEADER@
** Event Dispatcher for Qt5 to delegate mouse and keyboard event to another event dispatcher
** $Id$
** $HeadURL$
** $Author$
**
** -----------------------------------------------------------------------------------------------
**
** Hardware-Environment: Intel-PC
** Software-Environment: Windows 7, Qt 5.4. ArcGIS 10.2.5
**
** Language ........: C++ 11
**
** -----------------------------------------------------------------------------------------------
**
** Author ...........: Jörg Turla, SPD G, Tel. 3132
**
** -----------------------------------------------------------------------------------------------
**
** Notes .........:
**
** 15.04.2015, JT : First edition
**
** -----------------------------------------------------------------------------------------------
*/
#include "event_delegater.h"
namespace SituationMap { namespace RB
{
EventDelegater::EventDelegater(QWidget * getEventsFrom, AbstractEventDispatcher * delegateEventTo)
: AbstractEventDispatcher(getEventsFrom), _delegateEventTo(delegateEventTo)
{
connect( delegateEventTo, &AbstractEventDispatcher::signalKickTheBucket,
this , &AbstractEventDispatcher::onDo_kickTheBucket );
connect( this , &AbstractEventDispatcher::signalKickTheBucket,
delegateEventTo, &AbstractEventDispatcher::onDo_kickTheBucket );
_restoreMouseTracking = delegateEventTo->_restoreMouseTracking;
_whatsThisBackup = delegateEventTo->_whatsThisBackup;
} /* EventDispatcher::EventDispatcher */
bool EventDelegater::eventFilter(QObject * watched, QEvent * e)
{
if (hasFinished()) return true; // don't accept new events if dispatcher is going to finish
if (hasActiveEvent()) return true; // don't accept new events before last event has been handled completly
if (_delegateEventTo != nullptr)
{
return _delegateEventTo->eventFilter( watched, e );
}
return false;
} /* EventDispatcher::eventFilter */
void EventDelegater::KickTheBucket()
{
if (_delegateEventTo != nullptr)
{
_delegateEventTo->unlinkEventDispatcher();
}
AbstractEventDispatcher::KickTheBucket();
} /* EventDelegater::KickTheBucket */
} } /* namespace SituationMap::RB */