kicad/gerbview/undelete.cpp

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/********************************************************/
/* Effacements : Routines de sauvegarde et d'effacement */
/********************************************************/
#include "fctsys.h"
#include "common.h"
#include "gerbview.h"
#include "protos.h"
/* Routines externes : */
/* Routines Locales */
/***********************************************/
void WinEDA_GerberFrame::UnDeleteItem(wxDC * DC)
/***********************************************/
/* Restitution d'un element (MODULE ou TRACK ) Efface
*/
{
EDA_BaseStruct * PtStruct, *PtNext;
TRACK * pt_track;
int net_code;
if( ! g_UnDeleteStackPtr ) return;
g_UnDeleteStackPtr --;
PtStruct = g_UnDeleteStack[g_UnDeleteStackPtr];
if ( PtStruct == NULL ) return; // Ne devrait pas se produire
switch(PtStruct->m_StructType)
{
case TYPEVIA:
case TYPETRACK:
for( ; PtStruct != NULL; PtStruct = PtNext)
{
PtNext = PtStruct->Pnext;
PtStruct->SetState(DELETED,OFF); /* Effacement du bit DELETED */
Trace_Segment(DrawPanel, DC, (TRACK*) PtStruct, GR_OR);
}
PtStruct = g_UnDeleteStack[g_UnDeleteStackPtr];
net_code = ((TRACK*)PtStruct)->m_NetCode;
pt_track = ( (TRACK*) PtStruct)->GetBestInsertPoint(m_Pcb);
((TRACK*)PtStruct)->Insert(m_Pcb, pt_track);
g_UnDeleteStack[g_UnDeleteStackPtr] = NULL;
break;
default:
DisplayError(this, wxT("Undelete struct: type Struct inattendu"));
break;
}
}
/********************************************************************/
EDA_BaseStruct * SaveItemEfface(EDA_BaseStruct * PtItem, int nbitems)
/********************************************************************/
/* Sauvegarde d'un element aux fins de restitution par Undelete
Supporte actuellement : Module et segments de piste
*/
{
EDA_BaseStruct * NextS, * PtStruct = PtItem;
int ii;
if( (PtItem == NULL) || (nbitems == 0) ) return NULL;
if (g_UnDeleteStackPtr >= UNDELETE_STACK_SIZE )
{
/* Delete last deleted item, and shift stack. */
DeleteStructure(g_UnDeleteStack[0]);
for (ii = 0; ii < (g_UnDeleteStackPtr-1); ii++)
{
g_UnDeleteStack[ii] = g_UnDeleteStack[ii + 1];
}
g_UnDeleteStackPtr--;;
}
g_UnDeleteStack[g_UnDeleteStackPtr++] = PtItem;
switch ( PtStruct->m_StructType )
{
case TYPEVIA:
case TYPETRACK:
{
EDA_BaseStruct * Back = NULL;
g_UnDeleteStack[g_UnDeleteStackPtr-1] = PtStruct;
for ( ; nbitems > 0; nbitems--, PtStruct = NextS)
{
NextS = PtStruct->Pnext;
((TRACK*)PtStruct)->UnLink();
PtStruct->SetState(DELETED, ON);
if( nbitems <= 1 ) NextS = NULL; /* fin de chaine */
PtStruct->Pnext = NextS;
PtStruct->Pback = Back; Back = PtStruct;
if(NextS == NULL) break;
}
}
break;
default: break;
}
return(g_UnDeleteStack[g_UnDeleteStackPtr-1]);
}