int SCH_SCREEN::GetConnection( const wxPoint& aPosition, PICKED_ITEMS_LIST& aList,
bool aFullConnection )
{
SCH_ITEM* item;
EDA_ITEM* tmp;
EDA_ITEMS list;
// Clear flags member for all items.
ClearDrawingState();
BreakSegmentsOnJunctions();
if( GetNode( aPosition, list ) == 0 )
return 0;
for( size_t i = 0; i < list.size(); i++ )
{
item = (SCH_ITEM*) list[ i ];
item->SetFlags( SELECTEDNODE | STRUCT_DELETED );
/* Put this structure in the picked list: */
ITEM_PICKER picker( item, UR_DELETED );
aList.PushItem( picker );
}
// Mark all wires, junctions, .. connected to the item(s) found.
if( aFullConnection )
{
SCH_LINE* segment;
for( item = m_drawList.begin(); item; item = item->Next() )
{
if( !(item->GetFlags() & SELECTEDNODE) )
continue;
if( item->Type() != SCH_LINE_T )
continue;
MarkConnections( (SCH_LINE*) item );
}
// Search all attached wires (i.e wire with one new dangling end )
for( item = m_drawList.begin(); item; item = item->Next() )
{
bool noconnect = false;
if( item->GetFlags() & STRUCT_DELETED )
continue; // Already seen
if( !(item->GetFlags() & CANDIDATE) )
continue; // not a candidate
if( item->Type() != SCH_LINE_T )
continue;
item->SetFlags( SKIP_STRUCT );
segment = (SCH_LINE*) item;
/* If the wire start point is connected to a wire that was already found
* and now is not connected, add the wire to the list. */
for( tmp = m_drawList.begin(); tmp; tmp = tmp->Next() )
{
// Ensure tmp is a previously deleted segment:
if( ( tmp->GetFlags() & STRUCT_DELETED ) == 0 )
continue;
if( tmp->Type() != SCH_LINE_T )
continue;
SCH_LINE* testSegment = (SCH_LINE*) tmp;
// Test for segment connected to the previously deleted segment:
if( testSegment->IsEndPoint( segment->GetStartPoint() ) )
break;
}
// when tmp != NULL, segment is a new candidate:
// put it in deleted list if
// the start point is not connected to an other item (like pin)
if( tmp && !CountConnectedItems( segment->GetStartPoint(), true ) )
noconnect = true;
/* If the wire end point is connected to a wire that has already been found
* and now is not connected, add the wire to the list. */
for( tmp = m_drawList.begin(); tmp; tmp = tmp->Next() )
{
// Ensure tmp is a previously deleted segment:
if( ( tmp->GetFlags() & STRUCT_DELETED ) == 0 )
continue;
if( tmp->Type() != SCH_LINE_T )
continue;
SCH_LINE* testSegment = (SCH_LINE*) tmp;
// Test for segment connected to the previously deleted segment:
if( testSegment->IsEndPoint( segment->GetEndPoint() ) )
break;
}
// when tmp != NULL, segment is a new candidate:
// put it in deleted list if
// the end point is not connected to an other item (like pin)
if( tmp && !CountConnectedItems( segment->GetEndPoint(), true ) )
noconnect = true;
item->ClearFlags( SKIP_STRUCT );
if( noconnect )
{
item->SetFlags( STRUCT_DELETED );
ITEM_PICKER picker( item, UR_DELETED );
aList.PushItem( picker );
item = m_drawList.begin();
}
}
// Get redundant junctions (junctions which connect < 3 end wires
// and no pin)
for( item = m_drawList.begin(); item; item = item->Next() )
{
if( item->GetFlags() & STRUCT_DELETED )
continue;
if( !(item->GetFlags() & CANDIDATE) )
continue;
if( item->Type() != SCH_JUNCTION_T )
continue;
SCH_JUNCTION* junction = (SCH_JUNCTION*) item;
if( CountConnectedItems( junction->GetPosition(), false ) <= 2 )
{
item->SetFlags( STRUCT_DELETED );
ITEM_PICKER picker( item, UR_DELETED );
aList.PushItem( picker );
}
}
for( item = m_drawList.begin(); item; item = item->Next() )
{
if( item->GetFlags() & STRUCT_DELETED )
continue;
if( item->Type() != SCH_LABEL_T )
continue;
tmp = GetWireOrBus( ( (SCH_TEXT*) item )->GetPosition() );
if( tmp && tmp->GetFlags() & STRUCT_DELETED )
{
item->SetFlags( STRUCT_DELETED );
ITEM_PICKER picker( item, UR_DELETED );
aList.PushItem( picker );
}
}
}
ClearDrawingState();
return aList.GetCount();
}
void SCH_SCREEN::SelectBlockItems()
{
PICKED_ITEMS_LIST* pickedlist = &m_BlockLocate.GetItems();
if( pickedlist->GetCount() == 0 )
return;
ClearDrawingState();
for( unsigned ii = 0; ii < pickedlist->GetCount(); ii++ )
{
SCH_ITEM* item = (SCH_ITEM*) pickedlist->GetPickedItem( ii );
item->SetFlags( SELECTED );
}
if( !m_BlockLocate.IsDragging() )
return;
// Select all the items in the screen connected to the items in the block.
// be sure end lines that are on the block limits are seen inside this block
m_BlockLocate.Inflate( 1 );
unsigned last_select_id = pickedlist->GetCount();
for( unsigned ii = 0; ii < last_select_id; ii++ )
{
SCH_ITEM* item = (SCH_ITEM*)pickedlist->GetPickedItem( ii );
item->SetFlags( IS_DRAGGED );
if( item->Type() == SCH_LINE_T )
{
item->IsSelectStateChanged( m_BlockLocate );
if( !item->IsSelected() )
{ // This is a special case:
// this selected wire has no ends in block.
// But it was selected (because it intersects the selecting area),
// so we must keep it selected and select items connected to it
// Note: an other option could be: remove it from drag list
item->SetFlags( SELECTED | SKIP_STRUCT );
std::vector< wxPoint > connections;
item->GetConnectionPoints( connections );
for( size_t i = 0; i < connections.size(); i++ )
addConnectedItemsToBlock( connections[i] );
}
pickedlist->SetPickerFlags( item->GetFlags(), ii );
}
else if( item->IsConnectable() )
{
std::vector< wxPoint > connections;
item->GetConnectionPoints( connections );
for( size_t jj = 0; jj < connections.size(); jj++ )
addConnectedItemsToBlock( connections[jj] );
}
}
m_BlockLocate.Inflate( -1 );
}
void SCH_SCREEN::SelectBlockItems()
{
auto addConnections = [ this ]( SCH_ITEM* item ) -> void
{
std::vector< wxPoint > connections;
item->GetConnectionPoints( connections );
for( auto conn : connections )
addConnectedItemsToBlock( item, conn );
};
PICKED_ITEMS_LIST* pickedlist = &m_BlockLocate.GetItems();
if( pickedlist->GetCount() == 0 )
return;
ClearDrawingState();
for( unsigned ii = 0; ii < pickedlist->GetCount(); ii++ )
{
SCH_ITEM* item = (SCH_ITEM*) pickedlist->GetPickedItem( ii );
item->SetFlags( SELECTED );
}
if( !m_BlockLocate.IsDragging() )
return;
// Select all the items in the screen connected to the items in the block.
// be sure end lines that are on the block limits are seen inside this block
m_BlockLocate.Inflate( 1 );
unsigned last_select_id = pickedlist->GetCount();
for( unsigned ii = 0; ii < last_select_id; ii++ )
{
SCH_ITEM* item = (SCH_ITEM*)pickedlist->GetPickedItem( ii );
item->SetFlags( IS_DRAGGED );
if( item->Type() == SCH_LINE_T )
{
item->IsSelectStateChanged( m_BlockLocate );
if( !item->IsSelected() )
{ // This is a special case:
// this selected wire has no ends in block.
// But it was selected (because it intersects the selecting area),
// so we must keep it selected and select items connected to it
// Note: an other option could be: remove it from drag list
item->SetFlags( SELECTED | SKIP_STRUCT );
addConnections( item );
}
pickedlist->SetPickerFlags( item->GetFlags(), ii );
}
else if( item->IsConnectable() )
{
addConnections( item );
}
}
// Select the items that are connected to a block object that was added
// to our selection list in the last step.
for( unsigned ii = last_select_id; ii < pickedlist->GetCount(); ii++ )
{
SCH_ITEM* item = (SCH_ITEM*)pickedlist->GetPickedItem( ii );
if( item->Type() == SCH_COMPONENT_T ||
item->Type() == SCH_BUS_BUS_ENTRY_T ||
item->Type() == SCH_BUS_WIRE_ENTRY_T ||
item->Type() == SCH_SHEET_T ||
( item->Type() == SCH_LINE_T && !( item->GetFlags() & ( ENDPOINT | STARTPOINT ) ) ) )
{
item->SetFlags( IS_DRAGGED );
addConnections( item );
}
}
m_BlockLocate.Inflate( -1 );
}
