/** * Mouse capture callback for drawing line segments. */ static void DrawSegment( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aPosition, bool aErase ) { SCH_LINE* segment; if( s_wires.GetCount() == 0 ) return; segment = (SCH_LINE*) s_wires.begin(); EDA_COLOR_T color = GetLayerColor( segment->GetLayer() ); ColorChangeHighlightFlag( &color, !(color & HIGHLIGHT_FLAG) ); if( aErase ) { while( segment ) { if( !segment->IsNull() ) // Redraw if segment length != 0 segment->Draw( aPanel, aDC, wxPoint( 0, 0 ), g_XorMode, color ); segment = segment->Next(); } } SCH_EDIT_FRAME* frame = (SCH_EDIT_FRAME*) aPanel->GetParent(); wxPoint endpos = frame->GetCrossHairPosition(); if( frame->GetForceHVLines() ) /* Coerce the line to vertical or horizontal one: */ ComputeBreakPoint( (SCH_LINE*) s_wires.GetLast()->Back(), endpos ); else ( (SCH_LINE*) s_wires.GetLast() )->SetEndPoint( endpos ); segment = (SCH_LINE*) s_wires.begin(); while( segment ) { if( !segment->IsNull() ) // Redraw if segment length != 0 segment->Draw( aPanel, aDC, wxPoint( 0, 0 ), g_XorMode, color ); segment = segment->Next(); } }
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(); }