EDA_ITEM* GERBVIEW_SELECTION_TOOL::disambiguationMenu( GERBER_COLLECTOR* aCollector )
{
EDA_ITEM* current = NULL;
KIGFX::VIEW_GROUP highlightGroup;
CONTEXT_MENU menu;
highlightGroup.SetLayer( LAYER_GP_OVERLAY );
getView()->Add( &highlightGroup );
int limit = std::min( 10, aCollector->GetCount() );
for( int i = 0; i < limit; ++i )
{
wxString text;
EDA_ITEM* item = ( *aCollector )[i];
text = item->GetSelectMenuText();
menu.Add( text, i + 1 );
}
menu.SetTitle( _( "Clarify selection" ) );
menu.DisplayTitle( true );
SetContextMenu( &menu, CMENU_NOW );
while( OPT_TOOL_EVENT evt = Wait() )
{
if( evt->Action() == TA_CONTEXT_MENU_UPDATE )
{
if( current )
{
current->ClearBrightened();
getView()->Hide( current, false );
highlightGroup.Remove( current );
getView()->MarkTargetDirty( KIGFX::TARGET_OVERLAY );
}
int id = *evt->GetCommandId();
// User has pointed an item, so show it in a different way
if( id > 0 && id <= limit )
{
current = ( *aCollector )[id - 1];
current->SetBrightened();
getView()->Hide( current, true );
highlightGroup.Add( current );
getView()->MarkTargetDirty( KIGFX::TARGET_OVERLAY );
}
else
{
current = NULL;
}
}
else if( evt->Action() == TA_CONTEXT_MENU_CHOICE )
{
OPT<int> id = evt->GetCommandId();
// User has selected an item, so this one will be returned
if( id && ( *id > 0 ) )
current = ( *aCollector )[*id - 1];
else
current = NULL;
break;
}
}
if( current && current->IsBrightened() )
{
current->ClearBrightened();
getView()->Hide( current, false );
getView()->MarkTargetDirty( KIGFX::TARGET_OVERLAY );
}
getView()->Remove( &highlightGroup );
return current;
}
