kicad/eeschema/dangling_ends.cpp

446 lines
12 KiB
C++

/*********************/
/* dangling_ends.cpp */
/*********************/
#include "fctsys.h"
#include "gr_basic.h"
#include "common.h"
#include "program.h"
#include "general.h"
#include "netlist.h"
#include "protos.h"
#include "class_library.h"
enum End_Type {
UNKNOWN = 0,
WIRE_START_END,
WIRE_END_END,
BUS_START_END,
BUS_END_END,
JUNCTION_END,
PIN_END,
LABEL_END,
ENTRY_END,
SHEET_LABEL_END
};
class DanglingEndHandle
{
public:
const void* m_Item;
wxPoint m_Pos;
int m_Type;
DanglingEndHandle* m_Pnext;
DanglingEndHandle( int type )
{
m_Item = NULL;
m_Type = type;
m_Pnext = NULL;
}
};
DanglingEndHandle* ItemList;
static void TestWireForDangling( SCH_LINE* DrawRef,
WinEDA_SchematicFrame* frame,
wxDC* DC );
void TestLabelForDangling( SCH_TEXT* label,
WinEDA_SchematicFrame* frame,
wxDC* DC );
DanglingEndHandle* RebuildEndList( EDA_BaseStruct* DrawList );
/* Returns TRUE if the point P is on the segment S.
* The segment is assumed horizontal or vertical.
*/
bool SegmentIntersect( int Sx1, int Sy1, int Sx2, int Sy2,
int Px1, int Py1 )
{
int Sxmin, Sxmax, Symin, Symax;
if( Sx1 == Sx2 ) /* Line S is vertical. */
{
Symin = MIN( Sy1, Sy2 );
Symax = MAX( Sy1, Sy2 );
if( Px1 != Sx1 )
return FALSE;
if( Py1 >= Symin && Py1 <= Symax )
return TRUE;
else
return FALSE;
}
else if( Sy1 == Sy2 ) /* Line S is horizontal. */
{
Sxmin = MIN( Sx1, Sx2 );
Sxmax = MAX( Sx1, Sx2 );
if( Py1 != Sy1 )
return FALSE;
if( Px1 >= Sxmin && Px1 <= Sxmax )
return TRUE;
else
return FALSE;
}
else
return FALSE;
}
void WinEDA_SchematicFrame::TestDanglingEnds( SCH_ITEM* DrawList, wxDC* DC )
{
if( ItemList )
{
const DanglingEndHandle* DanglingItem;
const DanglingEndHandle* nextitem;
for( DanglingItem = ItemList;
DanglingItem != NULL;
DanglingItem = nextitem )
{
nextitem = DanglingItem->m_Pnext;
SAFE_DELETE( DanglingItem );
}
}
ItemList = RebuildEndList( DrawList );
for( SCH_ITEM* item = DrawList; item; item = item->Next() )
{
switch( item->Type() )
{
case TYPE_SCH_GLOBALLABEL:
case TYPE_SCH_HIERLABEL:
case TYPE_SCH_LABEL:
TestLabelForDangling( (SCH_LABEL*) item, this, DC );
break;
case DRAW_SEGMENT_STRUCT_TYPE:
#undef STRUCT
#define STRUCT ( (SCH_LINE*) item )
if( STRUCT->GetLayer() == LAYER_WIRE )
{
TestWireForDangling( STRUCT, this, DC );
break;
}
if( STRUCT->GetLayer() == LAYER_NOTES )
break;
if( STRUCT->GetLayer() == LAYER_BUS )
{
STRUCT->m_StartIsDangling = STRUCT->m_EndIsDangling = FALSE;
break;
}
break;
default:
;
}
}
}
/**
* Test if point pos is on a pin end.
*
* @param DrawList = List of SCH_ITEMs to check.
*
* @return LIB_PIN - Pointer to the located pin or NULL if no pin was found.
*/
LIB_PIN* WinEDA_SchematicFrame::LocatePinEnd( SCH_ITEM* DrawList,
const wxPoint& pos )
{
SCH_COMPONENT* DrawLibItem;
LIB_PIN* Pin;
wxPoint pinpos;
Pin = LocateAnyPin( DrawList, pos, &DrawLibItem );
if( !Pin )
return NULL;
pinpos = Pin->m_Pos;
if( DrawLibItem == NULL )
NEGATE( pinpos.y );
else
pinpos = TransformCoordinate( DrawLibItem->m_Transform, pinpos );
if( pos == pinpos )
return Pin;
return NULL;
}
void TestWireForDangling( SCH_LINE* DrawRef, WinEDA_SchematicFrame* frame,
wxDC* DC )
{
DanglingEndHandle* terminal_item;
bool Sdangstate = TRUE, Edangstate = TRUE;
for( terminal_item = ItemList; terminal_item != NULL;
terminal_item = terminal_item->m_Pnext )
{
if( terminal_item->m_Item == DrawRef )
continue;
if( (DrawRef->m_Start.x == terminal_item->m_Pos.x)
&& (DrawRef->m_Start.y == terminal_item->m_Pos.y) )
Sdangstate = FALSE;
if( (DrawRef->m_End.x == terminal_item->m_Pos.x)
&& (DrawRef->m_End.y == terminal_item->m_Pos.y) )
Edangstate = FALSE;
if( (Sdangstate == FALSE) && (Edangstate == FALSE) )
break;
}
if( (Sdangstate != DrawRef->m_StartIsDangling)
|| (Edangstate != DrawRef->m_EndIsDangling) )
{
if( DC )
RedrawOneStruct( frame->DrawPanel, DC, DrawRef, g_XorMode );
DrawRef->m_StartIsDangling = Sdangstate;
DrawRef->m_EndIsDangling = Edangstate;
if( DC )
RedrawOneStruct( frame->DrawPanel, DC, DrawRef,
GR_DEFAULT_DRAWMODE );
}
}
void TestLabelForDangling( SCH_TEXT* label, WinEDA_SchematicFrame* frame,
wxDC* DC )
{
DanglingEndHandle* terminal_item;
bool dangstate = TRUE;
for( terminal_item = ItemList; terminal_item != NULL;
terminal_item = terminal_item->m_Pnext )
{
if( terminal_item->m_Item == label )
continue;
switch( terminal_item->m_Type )
{
case PIN_END:
case LABEL_END:
case SHEET_LABEL_END:
if( ( label->m_Pos.x == terminal_item->m_Pos.x )
&& ( label->m_Pos.y == terminal_item->m_Pos.y ) )
dangstate = FALSE;
break;
case WIRE_START_END:
case BUS_START_END:
dangstate = !SegmentIntersect( terminal_item->m_Pos.x,
terminal_item->m_Pos.y,
terminal_item->m_Pnext->m_Pos.x,
terminal_item->m_Pnext->m_Pos.y,
label->m_Pos.x, label->m_Pos.y );
terminal_item = terminal_item->m_Pnext;
break;
case UNKNOWN:
case JUNCTION_END:
case ENTRY_END:
case WIRE_END_END:
case BUS_END_END:
break;
}
if( dangstate == FALSE )
break;
}
if( dangstate != label->m_IsDangling )
{
if( DC )
RedrawOneStruct( frame->DrawPanel, DC, label, g_XorMode );
label->m_IsDangling = dangstate;
if( DC )
RedrawOneStruct( frame->DrawPanel, DC, label, GR_DEFAULT_DRAWMODE );
}
}
/* Returns the physical position of the pin relative to the component
* orientation. */
wxPoint ReturnPinPhysicalPosition( LIB_PIN* Pin, SCH_COMPONENT* DrawLibItem )
{
wxPoint PinPos = Pin->m_Pos;
if( DrawLibItem == NULL )
NEGATE( PinPos.y );
else
PinPos = TransformCoordinate( DrawLibItem->m_Transform,
Pin->m_Pos ) + DrawLibItem->m_Pos;
return PinPos;
}
DanglingEndHandle* RebuildEndList( EDA_BaseStruct* DrawList )
{
DanglingEndHandle* StartList = NULL, * item, * lastitem = NULL;
EDA_BaseStruct* DrawItem;
for( DrawItem = DrawList; DrawItem != NULL; DrawItem = DrawItem->Next() )
{
switch( DrawItem->Type() )
{
case TYPE_SCH_LABEL:
case TYPE_SCH_GLOBALLABEL:
case TYPE_SCH_HIERLABEL:
#undef STRUCT
#define STRUCT ( (SCH_LABEL*) DrawItem )
item = new DanglingEndHandle( LABEL_END );
item->m_Item = DrawItem;
item->m_Pos = STRUCT->m_Pos;
if( lastitem )
lastitem->m_Pnext = item;
else
StartList = item;
lastitem = item;
break;
case DRAW_SEGMENT_STRUCT_TYPE:
#undef STRUCT
#define STRUCT ( (SCH_LINE*) DrawItem )
if( STRUCT->GetLayer() == LAYER_NOTES )
break;
if( ( STRUCT->GetLayer() == LAYER_BUS )
|| (STRUCT->GetLayer() == LAYER_WIRE ) )
{
item = new DanglingEndHandle(
(STRUCT->GetLayer() == LAYER_BUS) ?
BUS_START_END : WIRE_START_END );
item->m_Item = DrawItem;
item->m_Pos = STRUCT->m_Start;
if( lastitem )
lastitem->m_Pnext = item;
else
StartList = item;
lastitem = item;
item =
new DanglingEndHandle( (STRUCT->GetLayer() == LAYER_BUS) ?
BUS_END_END : WIRE_END_END );
item->m_Item = DrawItem;
item->m_Pos = STRUCT->m_End;
lastitem->m_Pnext = item;
lastitem = item;
}
break;
case DRAW_JUNCTION_STRUCT_TYPE:
#undef STRUCT
#define STRUCT ( (SCH_JUNCTION*) DrawItem )
item = new DanglingEndHandle( JUNCTION_END );
item->m_Item = DrawItem;
item->m_Pos = STRUCT->m_Pos;
if( lastitem )
lastitem->m_Pnext = item;
else
StartList = item;
lastitem = item;
break;
case DRAW_BUSENTRY_STRUCT_TYPE:
#undef STRUCT
#define STRUCT ( (SCH_BUS_ENTRY*) DrawItem )
item = new DanglingEndHandle( ENTRY_END );
item->m_Item = DrawItem;
item->m_Pos = STRUCT->m_Pos;
if( lastitem )
lastitem->m_Pnext = item;
else
StartList = item;
lastitem = item;
item = new DanglingEndHandle( ENTRY_END );
item->m_Item = DrawItem;
item->m_Pos = STRUCT->m_End();
lastitem->m_Pnext = item;
lastitem = item;
break;
case TYPE_SCH_COMPONENT:
{
#undef STRUCT
#define STRUCT ( (SCH_COMPONENT*) DrawItem )
LIB_COMPONENT* Entry;
Entry = CMP_LIBRARY::FindLibraryComponent( STRUCT->m_ChipName );
if( Entry == NULL )
break;
for( LIB_PIN* Pin = Entry->GetNextPin(); Pin != NULL;
Pin = Entry->GetNextPin( Pin ) )
{
wxASSERT( Pin->Type() == COMPONENT_PIN_DRAW_TYPE );
if( Pin->m_Unit && STRUCT->m_Multi
&& ( STRUCT->m_Multi != Pin->m_Unit ) )
continue;
if( Pin->m_Convert && STRUCT->m_Convert
&& ( STRUCT->m_Convert != Pin->m_Convert ) )
continue;
item = new DanglingEndHandle( PIN_END );
item->m_Item = Pin;
item->m_Pos = ReturnPinPhysicalPosition( Pin, STRUCT );
if( lastitem )
lastitem->m_Pnext = item;
else
StartList = item;
lastitem = item;
}
break;
}
case DRAW_SHEET_STRUCT_TYPE:
{
SCH_SHEET_PIN* pinsheet;
for( pinsheet = ( (SCH_SHEET*) DrawItem )->m_Label;
pinsheet;
pinsheet = pinsheet->Next() )
{
wxASSERT( pinsheet->Type() ==
DRAW_HIERARCHICAL_PIN_SHEET_STRUCT_TYPE );
item = new DanglingEndHandle( SHEET_LABEL_END );
item->m_Item = pinsheet;
item->m_Pos = pinsheet->m_Pos;
if( lastitem )
lastitem->m_Pnext = item;
else
StartList = item;
lastitem = item;
}
}
break;
default:
;
}
}
return StartList;
}