kicad/pcbnew/undelete.cpp

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/********************************************************/
/* Effacements : Routines de sauvegarde et d'effacement */
/********************************************************/
#include "fctsys.h"
#include "gr_basic.h"
#include "common.h"
#include "class_drawpanel.h"
#include "confirm.h"
#include "pcbnew.h"
/* Routines externes : */
/* Routines Locales */
/********************************************/
void WinEDA_BasePcbFrame::UnDeleteItem( wxDC* DC )
/********************************************/
/* Restitution d'un element (MODULE ou TRACK ) Efface
*/
{
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BOARD_ITEM* item;
int net_code = 0;
if( !g_UnDeleteStackPtr )
return;
g_UnDeleteStackPtr--;
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item = g_UnDeleteStack[g_UnDeleteStackPtr];
if( item == NULL )
return; // Ne devrait pas se produire
// we decremented the stack pointer, so the stack no longer
// owns "item". We do here, so we have to delete item if its
// not going back into the board, see default case below.
g_UnDeleteStack[g_UnDeleteStackPtr] = NULL;
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switch( item->Type() )
{
case TYPE_VIA:
case TYPE_TRACK:
TRACK* track;
track = (TRACK*) item;
D(printf("%s: track %p status=\"%s\"\n", __func__, track,
CONV_TO_UTF8( TRACK::ShowState( track->GetState(-1)) )
);)
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track->SetState( DELETED, OFF );
DrawPanel->PostDirtyRect( track->GetBoundingBox() );
m_Pcb->Add( track );
net_code = track->GetNet();
#if !defined(GERBVIEW)
test_1_net_connexion( DC, net_code );
#endif
m_Pcb->Display_Infos( this );
break;
case TYPE_BOARD_ITEM_LIST:
BOARD_ITEM_LIST* list;
list = (BOARD_ITEM_LIST*) item;
while( list->GetCount() )
{
TRACK* t = (TRACK*) list->Remove( 0 );
wxASSERT( t->Type()==TYPE_TRACK || t->Type()==TYPE_VIA );
t->SetState( DELETED, OFF );
DrawPanel->PostDirtyRect( t->GetBoundingBox() );
m_Pcb->Add( t );
net_code = t->GetNet();
}
delete list;
#if !defined(GERBVIEW)
test_1_net_connexion( DC, net_code );
#endif
m_Pcb->Display_Infos( this );
break;
#if !defined(GERBVIEW)
case TYPE_MODULE:
// Erase general rastnest if needed
if( g_Show_Ratsnest )
DrawGeneralRatsnest( DC );
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m_Pcb->Add( item );
item->Draw( DrawPanel, DC, GR_OR );
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item->SetState( DELETED, OFF ); /* Creal DELETED flag */
item->m_Flags = 0;
m_Pcb->m_Status_Pcb = 0;
build_liste_pads();
ReCompile_Ratsnest_After_Changes( DC );
break;
#endif
default:
DisplayError( this, wxT( "WinEDA_PcbFrame::UnDeleteItem(): unexpected Struct type" ) );
delete item;
break;
}
}
/* Sauvegarde d'un element aux fins de restitution par Undelete
* Supporte actuellement : Module et segments de piste
*/
BOARD_ITEM* WinEDA_BasePcbFrame::SaveItemEfface( BOARD_ITEM* aItem, int nbitems )
{
if( aItem == NULL || nbitems == 0 )
return NULL;
if( g_UnDeleteStackPtr >= UNDELETE_STACK_SIZE )
{
// Delete last deleted item, and shift stack.
delete g_UnDeleteStack[0];
for( int ii = 0; ii < (g_UnDeleteStackPtr - 1); ii++ )
{
g_UnDeleteStack[ii] = g_UnDeleteStack[ii + 1];
}
g_UnDeleteStackPtr--;;
}
switch( aItem->Type() )
{
case TYPE_VIA:
case TYPE_TRACK:
{
DLIST<TRACK>* container = (DLIST<TRACK>*) aItem->GetList();
wxASSERT( container );
if( nbitems == 1 )
{
container->Remove( (TRACK*) aItem );
g_UnDeleteStack[g_UnDeleteStackPtr++] = aItem;
}
else
{
BOARD_ITEM_LIST* list = new BOARD_ITEM_LIST();
g_UnDeleteStack[g_UnDeleteStackPtr++] = list;
// copy the numerous tracks into the list, which is already on stack
int i = 0;
TRACK* next;
for( TRACK* track = (TRACK*) aItem; track && i<nbitems; track = next, ++i )
{
next = track->Next();
list->PushBack( container->Remove( track ) );
}
}
}
break;
#if !defined(GERBVIEW)
case TYPE_MODULE:
{
MODULE* module = (MODULE*) aItem;
m_Pcb->m_Modules.Remove( module );
module->SetState( DELETED, ON );
g_UnDeleteStack[g_UnDeleteStackPtr++] = module;
build_liste_pads();
}
break;
#endif
default:
break;
}
// don't know why this is not simply return aItem?
return g_UnDeleteStack[g_UnDeleteStackPtr - 1];
}