void SCH_EDIT_FRAME::DeleteItem( SCH_ITEM* aItem, bool aAppend ) { wxCHECK_RET( aItem != NULL, wxT( "Cannot delete invalid item." ) ); wxCHECK_RET( !( aItem->GetFlags() & STRUCT_DELETED ), wxT( "Cannot delete item that is already deleted." ) ); // Here, aItem is not null. SCH_SCREEN* screen = GetScreen(); if( aItem->Type() == SCH_SHEET_PIN_T ) { // This item is attached to a node, and is not accessible by the global list directly. SCH_SHEET* sheet = (SCH_SHEET*) aItem->GetParent(); wxCHECK_RET( (sheet != NULL) && (sheet->Type() == SCH_SHEET_T), wxT( "Sheet label has invalid parent item." ) ); SaveCopyInUndoList( (SCH_ITEM*) sheet, UR_CHANGED, aAppend ); sheet->RemovePin( (SCH_SHEET_PIN*) aItem ); m_canvas->RefreshDrawingRect( sheet->GetBoundingBox() ); } else { PICKED_ITEMS_LIST itemsList; ITEM_PICKER picker( aItem, UR_DELETED ); aItem->SetFlags( STRUCT_DELETED ); itemsList.PushItem( picker ); screen->Remove( aItem ); if( aItem->IsConnectable() && aItem->Type() != SCH_JUNCTION_T ) { std::vector< wxPoint > pts; aItem->GetConnectionPoints( pts ); for( auto point : pts ) { SCH_ITEM* junction; if( !screen->IsJunctionNeeded( point ) && ( junction = screen->GetItem( point, 0, SCH_JUNCTION_T ) ) ) { ITEM_PICKER picker_juction( junction, UR_DELETED ); junction->SetFlags( STRUCT_DELETED ); itemsList.PushItem( picker_juction ); screen->Remove( junction ); } } } SaveCopyInUndoList( itemsList, UR_DELETED, aAppend ); m_canvas->RefreshDrawingRect( aItem->GetBoundingBox() ); } }
void SCH_EDIT_FRAME::EndSegment( wxDC* DC ) { SCH_SCREEN* screen = GetScreen(); SCH_LINE* segment = (SCH_LINE*) screen->GetCurItem(); if( segment == NULL || segment->Type() != SCH_LINE_T || !segment->IsNew() ) return; // Delete zero length segments and clear item flags. SCH_ITEM* item = s_wires.begin(); while( item ) { item->ClearFlags(); wxCHECK_RET( item->Type() == SCH_LINE_T, wxT( "Unexpected object type in wire list." ) ); segment = (SCH_LINE*) item; item = item->Next(); if( segment->IsNull() ) delete s_wires.Remove( segment ); } if( s_wires.GetCount() == 0 ) return; // Get the last non-null wire (this is the last created segment). SetRepeatItem( segment = (SCH_LINE*) s_wires.GetLast() ); screen->SetCurItem( NULL ); m_canvas->EndMouseCapture( -1, -1, wxEmptyString, false ); // store the terminal point of this last segment: a junction could be needed // (the last wire could be merged/deleted/modified, and lost) wxPoint endpoint = segment->GetEndPoint(); // store the starting point of this first segment: a junction could be needed SCH_LINE* firstsegment = (SCH_LINE*) s_wires.GetFirst(); wxPoint startPoint = firstsegment->GetStartPoint(); // Save the old wires for the undo command DLIST< SCH_ITEM > oldWires; // stores here the old wires GetScreen()->ExtractWires( oldWires, true ); // Save them in oldWires list // Put the snap shot of the previous wire, buses, and junctions in the undo/redo list. PICKED_ITEMS_LIST oldItems; oldItems.m_Status = UR_WIRE_IMAGE; while( oldWires.GetCount() != 0 ) { ITEM_PICKER picker = ITEM_PICKER( oldWires.PopFront(), UR_WIRE_IMAGE ); oldItems.PushItem( picker ); } SaveCopyInUndoList( oldItems, UR_WIRE_IMAGE ); // Remove segments backtracking over others RemoveBacktracks( s_wires ); // Add the new wires screen->Append( s_wires ); // Correct and remove segments that need to be merged. screen->SchematicCleanUp(); // A junction could be needed to connect the end point of the last created segment. if( screen->IsJunctionNeeded( endpoint ) ) screen->Append( AddJunction( DC, endpoint ) ); // A junction could be needed to connect the start point of the set of new created wires if( screen->IsJunctionNeeded( startPoint ) ) screen->Append( AddJunction( DC, startPoint ) ); m_canvas->Refresh(); OnModify(); }