SCH_LINE* SCH_SCREEN::GetWireOrBus( const wxPoint& aPosition )
{
for( SCH_ITEM* item = m_drawList.begin(); item; item = item->Next() )
{
if( (item->Type() == SCH_LINE_T) && item->HitTest( aPosition )
&& (item->GetLayer() == LAYER_BUS || item->GetLayer() == LAYER_WIRE) )
{
return (SCH_LINE*) item;
}
}
return NULL;
}
bool SCH_COLLECTOR::IsNode( bool aIncludePins ) const
{
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 )
continue;
if( type == SCH_LINE_T )
{
if( item->GetLayer() != LAYER_WIRE )
return false;
continue;
}
if( type == LIB_PIN_T )
{
if( !aIncludePins )
return false;
continue;
}
// Any other item types indicate that this collection is not a node.
return false;
}
return true;
}
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;
}
SCH_LINE* SCH_SCREEN::GetLine( const wxPoint& aPosition, int aAccuracy, int aLayer,
SCH_LINE_TEST_T aSearchType )
{
for( SCH_ITEM* item = m_drawList.begin(); item; item = item->Next() )
{
if( item->Type() != SCH_LINE_T )
continue;
if( item->GetLayer() != aLayer )
continue;
if( !item->HitTest( aPosition, aAccuracy ) )
continue;
switch( aSearchType )
{
case ENTIRE_LENGTH_T:
return (SCH_LINE*) item;
case EXCLUDE_END_POINTS_T:
if( !( (SCH_LINE*) item )->IsEndPoint( aPosition ) )
return (SCH_LINE*) item;
break;
case END_POINTS_ONLY_T:
if( ( (SCH_LINE*) item )->IsEndPoint( aPosition ) )
return (SCH_LINE*) item;
}
}
return NULL;
}
int SCH_SCREEN::GetNode( const wxPoint& aPosition, EDA_ITEMS& aList )
{
for( SCH_ITEM* item = m_drawList.begin(); item; item = item->Next() )
{
if( item->Type() == SCH_LINE_T && item->HitTest( aPosition )
&& (item->GetLayer() == LAYER_BUS || item->GetLayer() == LAYER_WIRE) )
{
aList.push_back( item );
}
else if( item->Type() == SCH_JUNCTION_T && item->HitTest( aPosition ) )
{
aList.push_back( item );
}
}
return (int) aList.size();
}
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));
}
void SCH_EDIT_FRAME::OnDragItem( wxCommandEvent& aEvent )
{
SCH_SCREEN* screen = GetScreen();
SCH_ITEM* item = screen->GetCurItem();
INSTALL_UNBUFFERED_DC( dc, m_canvas );
if( item == NULL )
{
// If we didn't get here by a hot key, then something has gone wrong.
if( aEvent.GetInt() == 0 )
return;
EDA_HOTKEY_CLIENT_DATA* data = (EDA_HOTKEY_CLIENT_DATA*) aEvent.GetClientObject();
wxCHECK_RET( data != NULL, wxT( "Invalid hot key client object." ) );
item = LocateAndShowItem( data->GetPosition(), SCH_COLLECTOR::DraggableItems,
aEvent.GetInt() );
// Exit if no item found at the current location or the item is already being edited.
if( (item == NULL) || (item->GetFlags() != 0) )
return;
}
switch( item->Type() )
{
case SCH_BUS_BUS_ENTRY_T:
case SCH_BUS_WIRE_ENTRY_T:
case SCH_LINE_T:
case SCH_JUNCTION_T:
if( item->GetLayer() == LAYER_BUS )
break;
// Fall thru if item is not on bus layer.
case SCH_COMPONENT_T:
case SCH_LABEL_T:
case SCH_GLOBAL_LABEL_T:
case SCH_HIERARCHICAL_LABEL_T:
case SCH_SHEET_T:
m_canvas->MoveCursorToCrossHair();
// The easiest way to handle a drag component or sheet command
// is to simulate a block drag command
if( screen->m_BlockLocate.GetState() == STATE_NO_BLOCK )
{
if( !HandleBlockBegin( &dc, BLOCK_DRAG, GetCrossHairPosition() ) )
break;
// Give a non null size to the search block:
screen->m_BlockLocate.Inflate( 1 );
HandleBlockEnd( &dc );
}
break;
default:
wxFAIL_MSG( wxString::Format( wxT( "Cannot drag schematic item type %s." ),
GetChars( item->GetClass() ) ) );
}
}
bool SCH_EDIT_FRAME::OnRightClick( const wxPoint& aPosition, wxMenu* PopMenu )
{
SCH_ITEM* item = GetScreen()->GetCurItem();
bool blockActive = GetScreen()->IsBlockActive();
wxString msg;
// Do not start a block command on context menu.
m_canvas->SetCanStartBlock( -1 );
if( blockActive )
{
AddMenusForBlock( PopMenu, this );
PopMenu->AppendSeparator();
// If we have a block containing only one main element
// we append its edition submenu
if( item != NULL )
{
switch( item->Type() )
{
case SCH_COMPONENT_T:
AddMenusForEditComponent( PopMenu, (SCH_COMPONENT *) item, Prj().SchLibs() );
PopMenu->AppendSeparator();
break;
case SCH_TEXT_T:
msg = AddHotkeyName( _( "Edit Text" ), g_Schematic_Hokeys_Descr, HK_EDIT );
AddMenuItem( PopMenu, ID_SCH_EDIT_ITEM, msg, KiBitmap( edit_text_xpm ) );
PopMenu->AppendSeparator();
break;
case SCH_LABEL_T:
msg = AddHotkeyName( _( "Edit Label" ), g_Schematic_Hokeys_Descr, HK_EDIT );
AddMenuItem( PopMenu, ID_SCH_EDIT_ITEM, msg, KiBitmap( edit_text_xpm ) );
PopMenu->AppendSeparator();
break;
case SCH_GLOBAL_LABEL_T:
msg = AddHotkeyName( _( "Edit Global Label" ), g_Schematic_Hokeys_Descr,
HK_EDIT );
AddMenuItem( PopMenu, ID_SCH_EDIT_ITEM, msg, KiBitmap( edit_text_xpm ) );
PopMenu->AppendSeparator();
break;
case SCH_HIERARCHICAL_LABEL_T:
msg = AddHotkeyName( _( "Edit Hierarchical Label" ), g_Schematic_Hokeys_Descr,
HK_EDIT );
AddMenuItem( PopMenu, ID_SCH_EDIT_ITEM, msg, KiBitmap( edit_text_xpm ) );
PopMenu->AppendSeparator();
break;
case SCH_BITMAP_T:
msg = AddHotkeyName( _( "Edit Image" ), g_Schematic_Hokeys_Descr, HK_EDIT );
AddMenuItem( PopMenu, ID_SCH_EDIT_ITEM, msg, KiBitmap( image_xpm ) );
PopMenu->AppendSeparator();
break;
default:
break;
}
}
return true;
}
// Try to locate items at cursor position.
if( (item == NULL) || (item->GetFlags() == 0) )
{
item = LocateAndShowItem( aPosition, SCH_COLLECTOR::AllItemsButPins );
// If the clarify item selection context menu is aborted, don't show the context menu.
if( item == NULL && m_canvas->GetAbortRequest() )
{
m_canvas->SetAbortRequest( false );
return false;
}
}
// If a command is in progress: add "cancel" and "end tool" menu
// If
if( GetToolId() != ID_NO_TOOL_SELECTED )
{
if( item && item->GetFlags() )
{
AddMenuItem( PopMenu, ID_CANCEL_CURRENT_COMMAND, _( "Cancel" ),
KiBitmap( cancel_xpm ) );
}
else
{
AddMenuItem( PopMenu, ID_CANCEL_CURRENT_COMMAND, _( "End Tool" ),
KiBitmap( cursor_xpm ) );
}
PopMenu->AppendSeparator();
switch( GetToolId() )
{
case ID_WIRE_BUTT:
AddMenusForWire( PopMenu, NULL, this );
if( item == NULL )
PopMenu->AppendSeparator();
break;
case ID_BUS_BUTT:
AddMenusForBus( PopMenu, NULL, this );
if( item == NULL )
PopMenu->AppendSeparator();
break;
default:
break;
}
}
else
{
if( item && item->GetFlags() )
{
AddMenuItem( PopMenu, ID_CANCEL_CURRENT_COMMAND, _( "Cancel" ),
KiBitmap( cancel_xpm ) );
PopMenu->AppendSeparator();
}
}
if( item == NULL )
{
if( m_CurrentSheet->Last() != g_RootSheet )
{
msg = AddHotkeyName( _( "Leave Sheet" ), g_Schematic_Hokeys_Descr, HK_LEAVE_SHEET );
AddMenuItem( PopMenu, ID_POPUP_SCH_LEAVE_SHEET, msg,
KiBitmap( leave_sheet_xpm ) );
PopMenu->AppendSeparator();
}
return true;
}
bool is_new = item->IsNew();
switch( item->Type() )
{
case SCH_NO_CONNECT_T:
AddMenuItem( PopMenu, ID_POPUP_SCH_DELETE, _( "Delete No Connect" ),
KiBitmap( delete_xpm ) );
break;
case SCH_JUNCTION_T:
addJunctionMenuEntries( PopMenu, (SCH_JUNCTION*) item );
break;
case SCH_BUS_BUS_ENTRY_T:
case SCH_BUS_WIRE_ENTRY_T:
AddMenusForBusEntry( PopMenu, static_cast<SCH_BUS_ENTRY_BASE*>( item ) );
break;
case SCH_MARKER_T:
AddMenusForMarkers( PopMenu, (SCH_MARKER*) item, this );
break;
case SCH_TEXT_T:
AddMenusForText( PopMenu, (SCH_TEXT*) item );
break;
case SCH_LABEL_T:
AddMenusForLabel( PopMenu, (SCH_LABEL*) item );
break;
case SCH_GLOBAL_LABEL_T:
AddMenusForGLabel( PopMenu, (SCH_GLOBALLABEL*) item );
break;
case SCH_HIERARCHICAL_LABEL_T:
AddMenusForHLabel( PopMenu, (SCH_HIERLABEL*) item );
break;
case SCH_FIELD_T:
AddMenusForComponentField( PopMenu, (SCH_FIELD*) item );
break;
case SCH_COMPONENT_T:
AddMenusForComponent( PopMenu, (SCH_COMPONENT*) item, Prj().SchLibs() );
break;
case SCH_BITMAP_T:
AddMenusForBitmap( PopMenu, (SCH_BITMAP*) item );
break;
case SCH_LINE_T:
switch( item->GetLayer() )
{
case LAYER_WIRE:
AddMenusForWire( PopMenu, (SCH_LINE*) item, this );
break;
case LAYER_BUS:
AddMenusForBus( PopMenu, (SCH_LINE*) item, this );
break;
default:
if( is_new )
AddMenuItem( PopMenu, ID_POPUP_END_LINE, _( "End Drawing" ),
KiBitmap( checked_ok_xpm ) );
AddMenuItem( PopMenu, ID_POPUP_SCH_DELETE, _( "Delete Drawing" ),
KiBitmap( delete_xpm ) );
break;
}
break;
case SCH_SHEET_T:
AddMenusForHierchicalSheet( PopMenu, (SCH_SHEET*) item );
break;
case SCH_SHEET_PIN_T:
AddMenusForSheetPin( PopMenu, (SCH_SHEET_PIN*) item );
break;
default:
wxFAIL_MSG( wxString::Format( wxT( "Cannot create context menu for unknown type %d" ),
item->Type() ) );
break;
}
PopMenu->AppendSeparator();
return true;
}
bool SCH_SCREEN::IsJunctionNeeded( const wxPoint& aPosition, bool aNew )
{
bool has_nonparallel[2] = { false };
int end_count[2] = { 0 };
int pin_count = 0;
std::vector<SCH_LINE*> lines[2];
for( SCH_ITEM* item = m_drawList.begin(); item; item = item->Next() )
{
if( item->GetFlags() & STRUCT_DELETED )
continue;
if( aNew && ( item->Type() == SCH_JUNCTION_T ) && ( item->HitTest( aPosition ) ) )
return false;
if( ( item->Type() == SCH_LINE_T )
&& ( item->HitTest( aPosition, 0 ) ) )
{
if( item->GetLayer() == LAYER_WIRE )
lines[0].push_back( (SCH_LINE*) item );
else if( item->GetLayer() == LAYER_BUS )
lines[1].push_back( (SCH_LINE*) item );
}
if( ( item->Type() == SCH_COMPONENT_T )
&& ( item->IsConnected( aPosition ) ) )
pin_count++;
}
for( int i = 0; i < 2; i++ )
{
bool removed_overlapping = false;
end_count[i] = lines[i].size();
for( auto line = lines[i].begin(); line < lines[i].end(); line++ )
{
// Consider ending on a line to be equivalent to two endpoints because
// we will want to split the line if anything else connects
if( !(*line)->IsEndPoint( aPosition ) )
end_count[i]++;
for( auto second_line = lines[i].end() - 1; second_line > line; second_line-- )
{
if( !(*line)->IsParallel( *second_line ) )
has_nonparallel[i] = true;
else if( !removed_overlapping
&& (*line)->IsSameQuadrant( *second_line, aPosition ) )
{
/**
* Overlapping lines that point in the same direction should not be counted
* as extra end_points. We remove the overlapping lines, being careful to only
* remove them once.
*/
removed_overlapping = true;
end_count[i]--;
}
}
}
}
//
// If there are three or more endpoints
if( pin_count + end_count[0] > 2 )
return true;
// If there is at least one segment that ends on a non-parallel line or
// junction of two other lines
if( has_nonparallel[0] && end_count[0] > 2 )
return true;
// Check for bus - bus junction requirements
if( has_nonparallel[1] && end_count[1] > 2 )
return true;
return false;
}
