kicad/eeschema/cleanup.cpp

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/**************************************/
/* Code to handle schematic clean up. */
/**************************************/
#include "fctsys.h"
#include "common.h"
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#include "trigo.h"
#include "confirm.h"
#include "macros.h"
#include "class_sch_screen.h"
#include "general.h"
#include "protos.h"
#include "netlist.h"
#include "sch_items.h"
/* Routine to start/end segment (BUS or wires) on junctions.
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*/
void BreakSegmentOnJunction( SCH_SCREEN* Screen )
{
SCH_ITEM* DrawList;
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if( Screen == NULL )
{
DisplayError( NULL,
wxT( "BreakSegmentOnJunction() error: NULL screen" ) );
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return;
}
DrawList = Screen->GetDrawItems();
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while( DrawList )
{
switch( DrawList->Type() )
{
case SCH_JUNCTION_T:
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#undef STRUCT
#define STRUCT ( (SCH_JUNCTION*) DrawList )
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BreakSegment( Screen, STRUCT->m_Pos );
break;
case SCH_BUS_ENTRY_T:
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#undef STRUCT
#define STRUCT ( (SCH_BUS_ENTRY*) DrawList )
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BreakSegment( Screen, STRUCT->m_Pos );
BreakSegment( Screen, STRUCT->m_End() );
break;
case SCH_LINE_T:
case SCH_NO_CONNECT_T:
case SCH_LABEL_T:
case SCH_GLOBAL_LABEL_T:
case SCH_HIERARCHICAL_LABEL_T:
case SCH_COMPONENT_T:
case SCH_POLYLINE_T:
case SCH_MARKER_T:
case SCH_TEXT_T:
case SCH_SHEET_T:
case SCH_SHEET_LABEL_T:
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break;
default:
break;
}
DrawList = DrawList->Next();
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}
}
/* Break a segment ( BUS, WIRE ) int 2 segments at location aBreakpoint,
* if aBreakpoint in on segment segment
* ( excluding ends)
* fill aPicklist with modified items if non null
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*/
void BreakSegment( SCH_SCREEN* aScreen, wxPoint aBreakpoint )
{
SCH_LINE* segment, * NewSegment;
for( SCH_ITEM* DrawList = aScreen->GetDrawItems(); DrawList; DrawList = DrawList->Next() )
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{
if( DrawList->Type() != SCH_LINE_T )
continue;
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segment = (SCH_LINE*) DrawList;
if( !TestSegmentHit( aBreakpoint, segment->m_Start, segment->m_End, 0 ) )
continue;
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/* ???
* Segment connecte: doit etre coupe en 2 si px,py
* n'est
* pas une extremite */
if( ( segment->m_Start == aBreakpoint )
|| ( segment->m_End == aBreakpoint ) )
continue;
/* Here we must cut the segment into 2. */
NewSegment = segment->GenCopy();
NewSegment->m_Start = aBreakpoint;
segment->m_End = NewSegment->m_Start;
NewSegment->SetNext( segment->Next() );
segment->SetNext( NewSegment );
DrawList = NewSegment;
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}
}