kicad/pcbnew/deltrack.cpp

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/*********************************************/
/* Edition des pistes: Routines d'effacement */
/* Effacement de segment, piste, net et zone */
/*********************************************/
#include "fctsys.h"
#include "gr_basic.h"
#include "common.h"
#include "pcbnew.h"
#include "protos.h"
/* Routines Locales */
/* Variables locales */
/***************************************************************/
TRACK* WinEDA_PcbFrame::Delete_Segment( wxDC* DC, TRACK* Track )
/***************************************************************/
/* Supprime 1 segment de piste.
* 2 Cas possibles:
* Si On est en trace de nouvelle piste: Effacement du segment en
* cours de trace
* Sinon : Effacment du segment sous le curseur.
*/
{
int current_net_code;
if( Track == NULL )
return NULL;
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if( Track->GetState(DELETED) )
{
#if defined(DEBUG)
printf("WinEDA_PcbFrame::Delete_Segment(): bug deleted already deleted TRACK\n");
#endif
return NULL;
}
if( Track->m_Flags & IS_NEW ) // Trace en cours, on peut effacer le dernier segment
{
if( g_TrackSegmentCount > 0 )
{
int previous_layer = GetScreen()->m_Active_Layer;
// effacement de la piste en cours
ShowNewTrackWhenMovingCursor( DrawPanel, DC, FALSE );
// modification du trace
Track = g_CurrentTrackSegment;
g_CurrentTrackSegment = (TRACK*) g_CurrentTrackSegment->Pback;
delete Track;
g_TrackSegmentCount--;
if( g_TwoSegmentTrackBuild )
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{
// g_CurrentTrackSegment->Pback must not be a via, or we want delete also the via
if( (g_TrackSegmentCount >= 2)
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&& (g_CurrentTrackSegment->Type() != TYPEVIA)
&& (g_CurrentTrackSegment->Pback->Type() == TYPEVIA) )
{
Track = g_CurrentTrackSegment;
g_CurrentTrackSegment = (TRACK*) g_CurrentTrackSegment->Pback;
delete Track;
g_TrackSegmentCount--;
}
}
while( g_TrackSegmentCount && g_CurrentTrackSegment
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&& (g_CurrentTrackSegment->Type() == TYPEVIA) )
{
Track = g_CurrentTrackSegment;
g_CurrentTrackSegment = (TRACK*) g_CurrentTrackSegment->Pback;
delete Track;
g_TrackSegmentCount--;
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if( g_CurrentTrackSegment && (g_CurrentTrackSegment->Type() != TYPEVIA) )
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previous_layer = g_CurrentTrackSegment->GetLayer();
}
if( g_CurrentTrackSegment )
g_CurrentTrackSegment->Pnext = NULL;
// Rectification couche active qui a pu changer si une via
// a ete effacee
GetScreen()->m_Active_Layer = previous_layer;
Affiche_Status_Box();
if( g_TwoSegmentTrackBuild ) // We must have 2 segments or more, or 0
{
if( ( g_TrackSegmentCount == 1 )
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&& (g_CurrentTrackSegment->Type() != TYPEVIA) )
{
delete g_CurrentTrackSegment;
g_TrackSegmentCount = 0;
}
}
if( g_TrackSegmentCount == 0 )
{
DrawPanel->ManageCurseur = NULL;
DrawPanel->ForceCloseManageCurseur = NULL;
if( g_HightLigt_Status )
Hight_Light( DC );
g_CurrentTrackSegment = NULL;
g_FirstTrackSegment = NULL;
SetCurItem( NULL );
return NULL;
}
else
{
if( DrawPanel->ManageCurseur )
DrawPanel->ManageCurseur( DrawPanel, DC, FALSE );
return g_CurrentTrackSegment;
}
}
return NULL;
} // Fin traitement si trace en cours
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current_net_code = Track->GetNet();
Track->Draw( DrawPanel, DC, GR_XOR );
SaveItemEfface( Track, 1 );
GetScreen()->SetModify();
test_1_net_connexion( DC, current_net_code );
m_Pcb->Display_Infos( this );
return NULL;
}
/**********************************************************/
void WinEDA_PcbFrame::Delete_Track( wxDC* DC, TRACK* Track )
/**********************************************************/
{
if( Track != NULL )
{
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int current_net_code = Track->GetNet();
Supprime_Une_Piste( DC, Track );
GetScreen()->SetModify();
test_1_net_connexion( DC, current_net_code );
}
}
/********************************************************/
void WinEDA_PcbFrame::Delete_net( wxDC* DC, TRACK* Track )
/********************************************************/
{
TRACK* pt_segm, * pt_start;
int ii;
int net_code_delete;
pt_segm = Track;
if( pt_segm == NULL )
return;
if( IsOK( this, _( "Delete NET ?" ) ) )
{
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net_code_delete = pt_segm->GetNet();
/* Recherche du debut de la zone des pistes du net_code courant */
pt_start = m_Pcb->m_Track->GetStartNetCode( net_code_delete );
/* Decompte du nombre de segments de la sous-chaine */
pt_segm = pt_start;
for( ii = 0; pt_segm != NULL; pt_segm = (TRACK*) pt_segm->Pnext )
{
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if( pt_segm->GetNet() != net_code_delete )
break;
ii++;
}
Trace_Une_Piste( DrawPanel, DC, pt_start, ii, GR_XOR );
SaveItemEfface( pt_start, ii );
GetScreen()->SetModify();
test_1_net_connexion( DC, net_code_delete );
m_Pcb->Display_Infos( this );
}
}
/********************************************************************/
void WinEDA_PcbFrame::Supprime_Une_Piste( wxDC* DC, TRACK* pt_segm )
/********************************************************************/
/* Routine de suppression de 1 piste:
* le segment pointe est supprime puis les segments adjacents
* jusqu'a un pad ou un point de jonction de plus de 2 segments
*/
{
TRACK* pt_track, * Struct;
int ii, nb_segm;
if( pt_segm == NULL )
return;
pt_track = Marque_Une_Piste( this, DC, pt_segm,
&nb_segm, GR_OR | GR_SURBRILL );
if( nb_segm ) /* Il y a nb_segm segments de piste a effacer */
{
Trace_Une_Piste( DrawPanel, DC, pt_track, nb_segm, GR_XOR | GR_SURBRILL );
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/* Effacement flag BUSY */
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Struct = pt_track;;
for( ii=0; ii<nb_segm; ii++, Struct = (TRACK*) Struct->Pnext )
{
Struct->SetState( BUSY, OFF );
}
SaveItemEfface( pt_track, nb_segm );
}
}