bool SCH_SCREEN::BreakSegment( const wxPoint& aPoint )
{
SCH_LINE* segment;
SCH_LINE* newSegment;
bool brokenSegments = false;
for( SCH_ITEM* item = m_drawList.begin(); item; item = item->Next() )
{
if( (item->Type() != SCH_LINE_T) || (item->GetLayer() == LAYER_NOTES) )
continue;
segment = (SCH_LINE*) item;
if( !segment->HitTest( aPoint, 0 ) || segment->IsEndPoint( aPoint ) )
continue;
// Break the segment at aPoint and create a new segment.
newSegment = new SCH_LINE( *segment );
newSegment->SetStartPoint( aPoint );
segment->SetEndPoint( aPoint );
m_drawList.Insert( newSegment, segment->Next() );
item = newSegment;
brokenSegments = true;
}
return brokenSegments;
}
void AddMenusForWire( wxMenu* PopMenu, SCH_LINE* Wire, SCH_EDIT_FRAME* frame )
{
SCH_SCREEN* screen = frame->GetScreen();
wxPoint pos = frame->GetCrossHairPosition();
wxString msg;
if( Wire == NULL )
{
msg = AddHotkeyName( _( "Begin Wire" ), g_Schematic_Hokeys_Descr, HK_BEGIN_WIRE );
AddMenuItem( PopMenu, ID_POPUP_SCH_BEGIN_WIRE, msg, KiBitmap( add_line_xpm ) );
return;
}
bool is_new = Wire->IsNew();
if( is_new )
{
msg = AddHotkeyName( _( "Wire End" ), g_Schematic_Hokeys_Descr, HK_END_CURR_LINEWIREBUS );
AddMenuItem( PopMenu, ID_POPUP_END_LINE, msg, KiBitmap( checked_ok_xpm ) );
return;
}
msg = AddHotkeyName( _( "Drag Wire" ), g_Schematic_Hokeys_Descr, HK_DRAG );
AddMenuItem( PopMenu, ID_SCH_DRAG_ITEM, msg, KiBitmap( move_track_xpm ) );
PopMenu->AppendSeparator();
msg = AddHotkeyName( _( "Delete Wire" ), g_Schematic_Hokeys_Descr, HK_DELETE );
AddMenuItem( PopMenu, ID_POPUP_SCH_DELETE, msg, KiBitmap( delete_xpm ) );
AddMenuItem( PopMenu, ID_POPUP_SCH_DELETE_NODE, _( "Delete Node" ),
KiBitmap( delete_node_xpm ) );
AddMenuItem( PopMenu, ID_POPUP_SCH_DELETE_CONNECTION, _( "Delete Connection" ),
KiBitmap( delete_connection_xpm ) );
SCH_LINE* line = screen->GetWireOrBus( frame->GetCrossHairPosition() );
if( line && !line->IsEndPoint( frame->GetCrossHairPosition() ) )
AddMenuItem( PopMenu, ID_POPUP_SCH_BREAK_WIRE, _( "Break Wire" ),
KiBitmap( break_line_xpm ) );
PopMenu->AppendSeparator();
msg = AddHotkeyName( _( "Add Junction" ), g_Schematic_Hokeys_Descr, HK_ADD_JUNCTION );
AddMenuItem( PopMenu, ID_POPUP_SCH_ADD_JUNCTION, msg, KiBitmap( add_junction_xpm ) );
msg = AddHotkeyName( _( "Add Label" ), g_Schematic_Hokeys_Descr, HK_ADD_LABEL );
AddMenuItem( PopMenu, ID_POPUP_SCH_ADD_LABEL, msg, KiBitmap( add_line_label_xpm ) );
// Add global label command only if the cursor is over one end of the wire.
if( Wire->IsEndPoint( pos ) )
AddMenuItem( PopMenu, ID_POPUP_SCH_ADD_GLABEL, _( "Add Global Label" ),
KiBitmap( add_glabel_xpm ) );
}
bool SCH_COLLECTOR::IsDraggableJunction() const
{
int wireEndCount = 0;
int wireMidPoint = 0;
int junctionCount = 0;
for( size_t i = 0; i < m_List.size(); i++ )
{
SCH_ITEM* item = (SCH_ITEM*) m_List[ i ];
KICAD_T type = item->Type();
if( type == SCH_JUNCTION_T )
{
junctionCount++;
continue;
}
if( type == SCH_LINE_T )
{
if( item->GetLayer() != LAYER_WIRE )
return false;
SCH_LINE* line = (SCH_LINE*) item;
if( line->IsEndPoint( m_RefPos ) )
wireEndCount++;
else
wireMidPoint++;
continue;
}
// Any other item types indicate that this collection is not a draggable junction.
return false;
}
return (wireEndCount >= 3) || ((wireEndCount >= 1) && (wireMidPoint == 1))
|| ((wireMidPoint >= 2) && (junctionCount == 1));
}
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();
}