void SCH_EDIT_FRAME::CheckListConnections( PICKED_ITEMS_LIST& aItemsList, bool aAppend )
{
std::vector< wxPoint > pts;
std::vector< wxPoint > connections;
GetSchematicConnections( connections );
for( unsigned ii = 0; ii < aItemsList.GetCount(); ii++ )
{
SCH_ITEM* item = (SCH_ITEM*) aItemsList.GetPickedItem( ii );
std::vector< wxPoint > new_pts;
if( !item->IsConnectable() )
continue;
item->GetConnectionPoints( new_pts );
pts.insert( pts.end(), new_pts.begin(), new_pts.end() );
// If the item is a line, we also add any connection points from the rest of the schematic
// that terminate on the line after it is moved.
if( item->Type() == SCH_LINE_T )
{
SCH_LINE* line = (SCH_LINE*) item;
for( auto i : connections )
if( IsPointOnSegment( line->GetStartPoint(), line->GetEndPoint(), i ) )
pts.push_back( i );
}
else
{
// Clean up any wires that short non-wire connections in the list
for( auto point = new_pts.begin(); point != new_pts.end(); point++ )
{
for( auto second_point = point + 1; second_point != new_pts.end(); second_point++ )
{
aAppend |= TrimWire( *point, *second_point, aAppend );
}
}
}
}
// We always have some overlapping connection points. Drop duplicates here
std::sort( pts.begin(), pts.end(),
[]( const wxPoint& a, const wxPoint& b ) -> bool
{ return a.x < b.x || (a.x == b.x && a.y < b.y); } );
pts.erase( unique( pts.begin(), pts.end() ), pts.end() );
for( auto point : pts )
{
if( GetScreen()->IsJunctionNeeded( point, true ) )
{
AddJunction( point, aAppend );
aAppend = true;
}
}
}
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_SCREEN::SchematicCleanUp()
{
bool modified = false;
for( SCH_ITEM* item = m_drawList.begin() ; item; item = item->Next() )
{
if( ( item->Type() != SCH_LINE_T ) && ( item->Type() != SCH_JUNCTION_T ) )
continue;
bool restart;
for( SCH_ITEM* testItem = item->Next(); testItem; testItem = restart ? m_drawList.begin() : testItem->Next() )
{
restart = false;
if( ( item->Type() == SCH_LINE_T ) && ( testItem->Type() == SCH_LINE_T ) )
{
SCH_LINE* line = (SCH_LINE*) item;
if( line->MergeOverlap( (SCH_LINE*) testItem ) )
{
// Keep the current flags, because the deleted segment can be flagged.
item->SetFlags( testItem->GetFlags() );
DeleteItem( testItem );
restart = true;
modified = true;
}
}
else if ( ( ( item->Type() == SCH_JUNCTION_T )
&& ( testItem->Type() == SCH_JUNCTION_T ) ) && ( testItem != item ) )
{
if ( testItem->HitTest( item->GetPosition() ) )
{
// Keep the current flags, because the deleted segment can be flagged.
item->SetFlags( testItem->GetFlags() );
DeleteItem( testItem );
restart = true;
modified = true;
}
}
}
}
TestDanglingEnds();
return modified;
}
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;
}
/**
* Function ComputeBreakPoint
* computes the middle coordinate for 2 segments from the start point to \a aPosition
* with the segments kept in the horizontal or vertical axis only.
*
* @param aSegment A pointer to a #SCH_LINE object containing the first line break point
* to compute.
* @param aPosition A reference to a wxPoint object containing the coordinates of the
* position used to calculate the line break point.
*/
static void ComputeBreakPoint( SCH_LINE* aSegment, const wxPoint& aPosition )
{
wxCHECK_RET( aSegment != NULL, wxT( "Cannot compute break point of NULL line segment." ) );
SCH_LINE* nextSegment = aSegment->Next();
wxPoint midPoint = aPosition;
wxCHECK_RET( nextSegment != NULL,
wxT( "Cannot compute break point of NULL second line segment." ) );
#if 0
if( ABS( midPoint.x - aSegment->GetStartPoint().x ) <
ABS( midPoint.y - aSegment->GetStartPoint().y ) )
midPoint.x = aSegment->GetStartPoint().x;
else
midPoint.y = aSegment->GetStartPoint().y;
#else
int iDx = aSegment->GetEndPoint().x - aSegment->GetStartPoint().x;
int iDy = aSegment->GetEndPoint().y - aSegment->GetStartPoint().y;
if( iDy != 0 ) // keep the first segment orientation (currently horizontal)
{
midPoint.x = aSegment->GetStartPoint().x;
}
else if( iDx != 0 ) // keep the first segment orientation (currently vertical)
{
midPoint.y = aSegment->GetStartPoint().y;
}
else
{
if( std::abs( midPoint.x - aSegment->GetStartPoint().x ) <
std::abs( midPoint.y - aSegment->GetStartPoint().y ) )
midPoint.x = aSegment->GetStartPoint().x;
else
midPoint.y = aSegment->GetStartPoint().y;
}
#endif
aSegment->SetEndPoint( midPoint );
nextSegment->SetStartPoint( midPoint );
nextSegment->SetEndPoint( aPosition );
}
void SCH_SCREEN::addConnectedItemsToBlock( const wxPoint& position )
{
SCH_ITEM* item;
ITEM_PICKER picker;
bool addinlist = true;
for( item = m_drawList.begin(); item; item = item->Next() )
{
picker.SetItem( item );
if( !item->IsConnectable() || !item->IsConnected( position )
|| (item->GetFlags() & SKIP_STRUCT) )
continue;
if( item->IsSelected() && item->Type() != SCH_LINE_T )
continue;
// A line having 2 ends, it can be tested twice: one time per end
if( item->Type() == SCH_LINE_T )
{
if( ! item->IsSelected() ) // First time this line is tested
item->SetFlags( SELECTED | STARTPOINT | ENDPOINT );
else // second time (or more) this line is tested
addinlist = false;
SCH_LINE* line = (SCH_LINE*) item;
if( line->GetStartPoint() == position )
item->ClearFlags( STARTPOINT );
else if( line->GetEndPoint() == position )
item->ClearFlags( ENDPOINT );
}
else
item->SetFlags( SELECTED );
if( addinlist )
{
picker.SetFlags( item->GetFlags() );
m_BlockLocate.GetItems().PushItem( picker );
}
}
}
void SCH_SCREEN::MarkConnections( SCH_LINE* aSegment )
{
wxCHECK_RET( (aSegment) && (aSegment->Type() == SCH_LINE_T),
wxT( "Invalid object pointer." ) );
for( SCH_ITEM* item = m_drawList.begin(); item; item = item->Next() )
{
if( item->GetFlags() & CANDIDATE )
continue;
if( item->Type() == SCH_JUNCTION_T )
{
SCH_JUNCTION* junction = (SCH_JUNCTION*) item;
if( aSegment->IsEndPoint( junction->GetPosition() ) )
item->SetFlags( CANDIDATE );
continue;
}
if( item->Type() != SCH_LINE_T )
continue;
SCH_LINE* segment = (SCH_LINE*) item;
if( aSegment->IsEndPoint( segment->GetStartPoint() )
&& !GetPin( segment->GetStartPoint(), NULL, true ) )
{
item->SetFlags( CANDIDATE );
MarkConnections( segment );
}
if( aSegment->IsEndPoint( segment->GetEndPoint() )
&& !GetPin( segment->GetEndPoint(), NULL, true ) )
{
item->SetFlags( CANDIDATE );
MarkConnections( segment );
}
}
}
/**
* In a contiguous list of wires, remove wires that backtrack over the previous
* wire. Example:
*
* Wire is added:
* ---------------------------------------->
*
* A second wire backtracks over it:
* -------------------<====================>
*
* RemoveBacktracks is called:
* ------------------->
*/
static void RemoveBacktracks( DLIST<SCH_ITEM>& aWires )
{
SCH_LINE* last_line = NULL;
EDA_ITEM* first = aWires.GetFirst();
for( EDA_ITEM* p = first; p; )
{
SCH_LINE *line = dynamic_cast<SCH_LINE*>( p );
if( !line )
{
wxFAIL_MSG( "RemoveBacktracks() requires SCH_LINE items" );
break;
}
p = line->Next();
if( last_line )
{
wxASSERT_MSG( last_line->GetEndPoint() == line->GetStartPoint(),
"RemoveBacktracks() requires contiguous lines" );
if( IsPointOnSegment( last_line->GetStartPoint(), line->GetStartPoint(),
line->GetEndPoint() ) )
{
last_line->SetEndPoint( line->GetEndPoint() );
delete s_wires.Remove( line );
}
else
last_line = line;
}
else
last_line = line;
}
}
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));
}
/**
* 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();
}
}
/**
* In a contiguous list of wires, remove wires that backtrack over the previous
* wire. Example:
*
* Wire is added:
* ---------------------------------------->
*
* A second wire backtracks over it:
* -------------------<====================>
*
* RemoveBacktracks is called:
* ------------------->
*/
static void RemoveBacktracks( DLIST<SCH_ITEM>& aWires )
{
EDA_ITEM* first = aWires.GetFirst();
std::vector<SCH_LINE*> last_lines;
for( EDA_ITEM* p = first; p; )
{
SCH_LINE *line = static_cast<SCH_LINE*>( p );
p = line->Next();
if( !last_lines.empty() )
{
SCH_LINE* last_line = last_lines[last_lines.size() - 1];
bool contiguous = ( last_line->GetEndPoint() == line->GetStartPoint() );
bool backtracks = IsPointOnSegment( last_line->GetStartPoint(),
last_line->GetEndPoint(), line->GetEndPoint() );
bool total_backtrack = ( last_line->GetStartPoint() == line->GetEndPoint() );
if( contiguous && backtracks )
{
if( total_backtrack )
{
delete s_wires.Remove( last_line );
delete s_wires.Remove( line );
last_lines.pop_back();
}
else
{
last_line->SetEndPoint( line->GetEndPoint() );
delete s_wires.Remove( line );
}
}
else
{
last_lines.push_back( line );
}
}
else
{
last_lines.push_back( line );
}
}
}
/*
* Hot keys. Some commands are relative to the item under the mouse cursor
* Commands are case insensitive
*/
bool SCH_EDIT_FRAME::OnHotKey( wxDC* aDC, int aHotKey, const wxPoint& aPosition, EDA_ITEM* aItem )
{
if( aHotKey == 0 )
return false;
wxCommandEvent cmd( wxEVT_COMMAND_MENU_SELECTED );
SCH_SCREEN* screen = GetScreen();
// itemInEdit == false means no item currently edited. We can ask for editing a new item
bool itemInEdit = screen->GetCurItem() && screen->GetCurItem()->GetFlags();
// blocInProgress == false means no block in progress.
// Because a drag command uses a drag block, false means also no drag in progress
// If false, we can ask for editing a new item
bool blocInProgress = screen->m_BlockLocate.GetState() != STATE_NO_BLOCK;
// notBusy == true means no item currently edited and no other command in progress
// We can change active tool and ask for editing a new item
bool notBusy = (!itemInEdit) && (!blocInProgress);
/* Convert lower to upper case (the usual toupper function has problem
* with non ascii codes like function keys */
if( (aHotKey >= 'a') && (aHotKey <= 'z') )
aHotKey += 'A' - 'a';
// Search command from key :
EDA_HOTKEY* hotKey = GetDescriptorFromHotkey( aHotKey, common_Hotkey_List );
if( hotKey == NULL )
hotKey = GetDescriptorFromHotkey( aHotKey, schematic_Hotkey_List );
if( hotKey == NULL )
return false;
switch( hotKey->m_Idcommand )
{
default:
case HK_NOT_FOUND:
return false;
case HK_HELP: // Display Current hotkey list
DisplayHotkeyList( this, g_Schematic_Hokeys_Descr );
break;
case HK_RESET_LOCAL_COORD: // Reset the relative coord
GetScreen()->m_O_Curseur = GetCrossHairPosition();
break;
case ID_HOTKEY_HIGHLIGHT:
if( notBusy )
HighlightConnectionAtPosition( GetCrossHairPosition() );
break;
case HK_LEFT_CLICK:
case HK_LEFT_DCLICK: // Simulate a double left click: generate 2 events
if( screen->m_BlockLocate.GetState() == STATE_BLOCK_MOVE )
{
GetCanvas()->SetAutoPanRequest( false );
HandleBlockPlace( aDC );
}
else if( screen->m_BlockLocate.GetState() == STATE_NO_BLOCK )
{
OnLeftClick( aDC, aPosition );
if( hotKey->m_Idcommand == HK_LEFT_DCLICK )
OnLeftDClick( aDC, aPosition );
}
break;
case HK_ZOOM_IN:
case HK_ZOOM_OUT:
case HK_ZOOM_REDRAW:
case HK_ZOOM_CENTER:
case HK_ZOOM_AUTO:
case HK_ZOOM_SELECTION:
case HK_MOVEBLOCK_TO_DRAGBLOCK: // Switch to drag mode, when block moving
case HK_SAVE_BLOCK: // Copy block to paste buffer.
cmd.SetId( hotKey->m_IdMenuEvent );
GetEventHandler()->ProcessEvent( cmd );
break;
case HK_DELETE:
if( notBusy )
DeleteItemAtCrossHair( aDC );
break;
case HK_REPEAT_LAST:
if( notBusy )
RepeatDrawItem( aDC );
break;
case HK_END_CURR_LINEWIREBUS:
// this key terminates a new line/bus/wire in progress
if( aItem && aItem->IsNew() &&
aItem->Type() == SCH_LINE_T )
{
cmd.SetId( hotKey->m_IdMenuEvent );
GetEventHandler()->ProcessEvent( cmd );
}
break;
case HK_UNDO: // Hot keys that map to command IDs that cannot be called
case HK_REDO: // while busy performing another command.
case HK_FIND_ITEM:
case HK_FIND_REPLACE:
case HK_DELETE_NODE:
case HK_LEAVE_SHEET:
if( notBusy )
{
cmd.SetId( hotKey->m_IdMenuEvent );
GetEventHandler()->ProcessEvent( cmd );
}
break;
case HK_FIND_NEXT_ITEM:
case HK_FIND_NEXT_DRC_MARKER:
if( notBusy )
{
wxFindDialogEvent event( hotKey->m_IdMenuEvent, GetId() );
event.SetEventObject( this );
event.SetFlags( m_findReplaceData->GetFlags() );
event.SetFindString( m_findReplaceData->GetFindString() );
GetEventHandler()->ProcessEvent( event );
}
break;
case HK_ADD_NEW_COMPONENT: // Add component
case HK_ADD_NEW_POWER: // Add power component
case HK_ADD_LABEL:
case HK_ADD_HLABEL:
case HK_ADD_GLABEL:
case HK_ADD_JUNCTION:
case HK_ADD_WIRE_ENTRY:
case HK_ADD_BUS_ENTRY:
case HK_ADD_HIER_SHEET:
case HK_ADD_GRAPHIC_TEXT:
case HK_ADD_GRAPHIC_POLYLINE:
case HK_ADD_NOCONN_FLAG: // Add a no connected flag
case HK_BEGIN_BUS:
case HK_BEGIN_WIRE:
if( notBusy )
{
EDA_HOTKEY_CLIENT_DATA data( aPosition );
cmd.SetInt( aHotKey );
cmd.SetClientObject( &data );
cmd.SetId( hotKey->m_IdMenuEvent );
GetEventHandler()->ProcessEvent( cmd );
}
else if( aItem && aItem->IsNew() )
{
// If the item is a bus or a wire, a begin command is not possible.
if( (GetToolId() == ID_BUS_BUTT) && (aItem->Type() == SCH_LINE_T) )
{
SCH_LINE* segment = (SCH_LINE*) aItem;
if( segment->GetLayer() != LAYER_BUS )
break;
// Bus in progress:
OnLeftClick( aDC, aPosition );
}
else if( (GetToolId() == ID_WIRE_BUTT ) && (aItem->Type() == SCH_LINE_T) )
{
SCH_LINE* segment = (SCH_LINE*) aItem;
if( segment->GetLayer() != LAYER_WIRE )
break;
// Wire in progress:
OnLeftClick( aDC, aPosition );
}
}
break;
case HK_COPY_COMPONENT_OR_LABEL: // Duplicate component or text/label
if( itemInEdit )
break;
if( aItem == NULL )
{
aItem = LocateAndShowItem( aPosition, SCH_COLLECTOR::CopyableItems );
if( aItem == NULL )
break;
}
cmd.SetId( hotKey->m_IdMenuEvent );
wxPostEvent( this, cmd );
break;
case HK_DRAG: // Start drag
case HK_MOVE_COMPONENT_OR_ITEM: // Start move schematic item.
if( ! notBusy )
break;
// Fall through
case HK_EDIT:
// Edit schematic item. Do not allow sheet edition when mowing
// Because a sheet edition can be complex.
if( itemInEdit && screen->GetCurItem()->Type() == SCH_SHEET_T )
break;
// Fall through
case HK_EDIT_COMPONENT_VALUE: // Edit component value field.
case HK_EDIT_COMPONENT_REFERENCE: // Edit component value reference.
case HK_EDIT_COMPONENT_FOOTPRINT: // Edit component footprint field.
case HK_MIRROR_Y: // Mirror Y
case HK_MIRROR_X: // Mirror X
case HK_ORIENT_NORMAL_COMPONENT: // Orient 0, no mirror (Component)
case HK_ROTATE: // Rotate schematic item.
case HK_EDIT_COMPONENT_WITH_LIBEDIT: // Call Libedit and load the current component
case HK_AUTOPLACE_FIELDS: // Autoplace all fields around component
{
// force a new item search on hot keys at current position,
// if there is no currently edited item,
// to avoid using a previously selected item
if( ! itemInEdit )
screen->SetCurItem( NULL );
EDA_HOTKEY_CLIENT_DATA data( aPosition );
cmd.SetInt( hotKey->m_Idcommand );
cmd.SetClientObject( &data );
cmd.SetId( hotKey->m_IdMenuEvent );
GetEventHandler()->ProcessEvent( cmd );
}
break;
}
// Hot key handled.
return true;
}
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();
}
void SCH_EDIT_FRAME::BeginSegment( wxDC* DC, int type )
{
SCH_LINE* segment;
SCH_LINE* nextSegment;
wxPoint cursorpos = GetCrossHairPosition();
// We should know if a segment is currently in progress
segment = (SCH_LINE*) GetScreen()->GetCurItem();
if( segment ) // a current item exists, but not necessary a currently edited item
{
if( !segment->GetFlags() || ( segment->Type() != SCH_LINE_T ) )
{
if( segment->GetFlags() )
{
wxLogDebug( wxT( "BeginSegment: item->GetFlags()== %X" ),
segment->GetFlags() );
}
// no wire, bus or graphic line in progress
segment = NULL;
}
}
if( !segment ) // first point : Create the first wire or bus segment
{
switch( type )
{
default:
segment = new SCH_LINE( cursorpos, LAYER_NOTES );
break;
case LAYER_WIRE:
segment = new SCH_LINE( cursorpos, LAYER_WIRE );
/* A junction will be created later, when we'll know the
* segment end position, and if the junction is really needed */
break;
case LAYER_BUS:
segment = new SCH_LINE( cursorpos, LAYER_BUS );
break;
}
segment->SetFlags( IS_NEW );
s_wires.PushBack( segment );
GetScreen()->SetCurItem( segment );
// We need 2 segments to go from a given start pin to an end point when the horizontal
// and vertical lines only switch is on.
if( GetForceHVLines() )
{
nextSegment = new SCH_LINE( *segment );
nextSegment->SetFlags( IS_NEW );
s_wires.PushBack( nextSegment );
GetScreen()->SetCurItem( nextSegment );
}
m_canvas->SetMouseCapture( DrawSegment, AbortCreateNewLine );
SetRepeatItem( NULL );
}
else // A segment is in progress: terminates the current segment and add a new segment.
{
SCH_LINE* prevSegment = segment->Back();
// Be aware prevSegment can be null when the horizontal and vertical lines only switch is off
// when we create the first segment.
if( !GetForceHVLines() )
{
// If only one segment is needed and it has a zero length, do not create a new one.
if( segment->IsNull() )
return;
}
else
{
wxCHECK_RET( prevSegment != NULL, wxT( "Failed to create second line segment." ) );
// If two segments are required and they both have zero length, do not
// create a new one.
if( prevSegment && prevSegment->IsNull() && segment->IsNull() )
return;
}
m_canvas->CallMouseCapture( DC, wxDefaultPosition, false );
// Terminate the command if the end point is on a pin, junction, or another wire or bus.
if( GetScreen()->IsTerminalPoint( cursorpos, segment->GetLayer() ) )
{
EndSegment( DC );
return;
}
// Create a new segment, and chain it after the current new segment.
nextSegment = new SCH_LINE( *segment );
nextSegment->SetStartPoint( cursorpos );
s_wires.PushBack( nextSegment );
segment->SetEndPoint( cursorpos );
segment->ClearFlags( IS_NEW );
segment->SetFlags( SELECTED );
nextSegment->SetFlags( IS_NEW );
GetScreen()->SetCurItem( nextSegment );
m_canvas->CallMouseCapture( DC, wxDefaultPosition, false );
}
}
bool SCH_SCREEN::SchematicCleanUp( EDA_DRAW_PANEL* aCanvas, wxDC* aDC )
{
SCH_ITEM* item, * testItem;
bool modified = false;
item = m_drawList.begin();
for( ; item; item = item->Next() )
{
if( ( item->Type() != SCH_LINE_T ) && ( item->Type() != SCH_JUNCTION_T ) )
continue;
testItem = item->Next();
while( testItem )
{
if( ( item->Type() == SCH_LINE_T ) && ( testItem->Type() == SCH_LINE_T ) )
{
SCH_LINE* line = (SCH_LINE*) item;
if( line->MergeOverlap( (SCH_LINE*) testItem ) )
{
// Keep the current flags, because the deleted segment can be flagged.
item->SetFlags( testItem->GetFlags() );
DeleteItem( testItem );
testItem = m_drawList.begin();
modified = true;
}
else
{
testItem = testItem->Next();
}
}
else if ( ( ( item->Type() == SCH_JUNCTION_T ) && ( testItem->Type() == SCH_JUNCTION_T ) ) && ( testItem != item ) )
{
if ( testItem->HitTest( item->GetPosition() ) )
{
// Keep the current flags, because the deleted segment can be flagged.
item->SetFlags( testItem->GetFlags() );
DeleteItem( testItem );
testItem = m_drawList.begin();
modified = true;
}
else
{
testItem = testItem->Next();
}
}
else
{
testItem = testItem->Next();
}
}
}
TestDanglingEnds( aCanvas, aDC );
if( aCanvas && modified )
aCanvas->Refresh();
return modified;
}
void SCH_SCREEN::addConnectedItemsToBlock( const SCH_ITEM* aItem, const wxPoint& position )
{
SCH_ITEM* item;
ITEM_PICKER picker;
for( item = m_drawList.begin(); item; item = item->Next() )
{
if( !item->IsConnectable() || ( item->GetFlags() & SKIP_STRUCT )
|| !item->CanConnect( aItem ) || item == aItem )
continue;
// A line having 2 ends, it can be tested twice: one time per end
if( item->Type() == SCH_LINE_T )
{
SCH_LINE* line = (SCH_LINE*) item;
if( !item->HitTest( position ) )
continue;
// First time through. Flags set to denote an end that is not moving
if( !item->IsSelected() )
item->SetFlags( CANDIDATE | STARTPOINT | ENDPOINT );
if( line->GetStartPoint() == position )
item->ClearFlags( STARTPOINT );
else if( line->GetEndPoint() == position )
item->ClearFlags( ENDPOINT );
else
// This picks up items such as labels that can connect to the middle of a line
item->ClearFlags( STARTPOINT | ENDPOINT );
}
// We want to move a mid-connected label or bus entry when the full line is being moved
else if( !item->IsSelected()
&& aItem->Type() == SCH_LINE_T
&& !( aItem->GetFlags() & ( ENDPOINT | STARTPOINT ) ) )
{
std::vector< wxPoint > connections;
item->GetConnectionPoints( connections );
for( auto conn : connections )
{
if( aItem->HitTest( conn ) )
{
item->SetFlags( CANDIDATE );
break;
}
}
}
if( item->IsSelected() )
continue;
if( ( item->GetFlags() & CANDIDATE ) || item->IsConnected( position ) ) // Deal with all non-line items
{
item->ClearFlags( CANDIDATE );
item->SetFlags( SELECTED );
picker.SetItem( item );
picker.SetFlags( item->GetFlags() );
m_BlockLocate.GetItems().PushItem( picker );
}
}
}
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();
}
