void TOOL_MANAGER::dispatchInternal( const TOOL_EVENT& aEvent )
{
// iterate over all registered tools
for( auto it = m_activeTools.begin(); it != m_activeTools.end(); /* iteration is done inside */)
{
auto curIt = it;
TOOL_STATE* st = m_toolIdIndex[*it];
++it; // it might be overwritten, if the tool is removed the m_activeTools deque
// the tool state handler is waiting for events (i.e. called Wait() method)
if( st->pendingWait )
{
if( st->waitEvents.Matches( aEvent ) )
{
// By default, only messages are passed further
m_passEvent = ( aEvent.Category() == TC_MESSAGE );
// got matching event? clear wait list and wake up the coroutine
st->wakeupEvent = aEvent;
st->pendingWait = false;
st->waitEvents.clear();
if( st->cofunc && !st->cofunc->Resume() )
{
if( finishTool( st, false ) ) // The couroutine has finished
it = m_activeTools.erase( curIt );
}
// If the tool did not request to propagate
// the event to other tools, we should stop it now
if( !m_passEvent )
break;
}
}
}
for( TOOL_STATE* st : ( m_toolState | boost::adaptors::map_values ) )
{
// no state handler in progress - check if there are any transitions (defined by
// Go() method that match the event.
if( !st->pendingWait && !st->transitions.empty() )
{
for( TRANSITION& tr : st->transitions )
{
if( tr.first.Matches( aEvent ) )
{
auto func_copy = tr.second;
// if there is already a context, then store it
if( st->cofunc )
st->Push();
st->cofunc = new COROUTINE<int, const TOOL_EVENT&>( std::move( func_copy ) );
// as the state changes, the transition table has to be set up again
st->transitions.clear();
// got match? Run the handler.
st->cofunc->Call( aEvent );
if( !st->cofunc->Running() )
finishTool( st ); // The couroutine has finished immediately?
// there is no point in further checking, as transitions got cleared
break;
}
}
}
}
}
void TOOL_MANAGER::dispatchInternal( const TOOL_EVENT& aEvent )
{
// iterate over all registered tools
for( auto it = m_activeTools.begin(); it != m_activeTools.end(); ++it )
{
TOOL_STATE* st = m_toolIdIndex[*it];
// forward context menu events to the tool that created the menu
if( aEvent.IsMenu() )
{
if( *it != m_menuOwner )
continue;
}
// the tool state handler is waiting for events (i.e. called Wait() method)
if( st->pendingWait )
{
if( st->waitEvents.Matches( aEvent ) )
{
// By default only messages are passed further
m_passEvent = ( aEvent.Category() == TC_MESSAGE );
// got matching event? clear wait list and wake up the coroutine
st->wakeupEvent = aEvent;
st->pendingWait = false;
st->waitEvents.clear();
if( st->cofunc )
{
setActiveState( st );
bool end = !st->cofunc->Resume();
if( end )
it = finishTool( st );
}
// If the tool did not request to propagate
// the event to other tools, we should stop it now
if( !m_passEvent )
break;
}
}
}
for( auto& state : m_toolState )
{
TOOL_STATE* st = state.second;
bool finished = false;
// no state handler in progress - check if there are any transitions (defined by
// Go() method that match the event.
if( !st->transitions.empty() )
{
for( TRANSITION& tr : st->transitions )
{
if( tr.first.Matches( aEvent ) )
{
auto func_copy = tr.second;
// if there is already a context, then push it on the stack
// and transfer the previous view control settings to the new context
if( st->cofunc )
{
auto vc = st->vcSettings;
st->Push();
st->vcSettings = vc;
}
st->cofunc = new COROUTINE<int, const TOOL_EVENT&>( std::move( func_copy ) );
// as the state changes, the transition table has to be set up again
st->transitions.clear();
// got match? Run the handler.
setActiveState( st );
st->idle = false;
st->cofunc->Call( aEvent );
if( !st->cofunc->Running() )
finishTool( st ); // The couroutine has finished immediately?
// if it is a message, continue processing
finished = !( aEvent.Category() == TC_MESSAGE );
// there is no point in further checking, as transitions got cleared
break;
}
}
}
if( finished )
break; // only the first tool gets the event
}
}
