bool TRACKS_CLEANER::remove_duplicates_of_track( const TRACK *aTrack )
{
bool modified = false;
TRACK *nextsegment;
for( TRACK *other = aTrack->Next(); other; other = nextsegment )
{
nextsegment = other->Next();
// New netcode, break out (can't be there any other)
if( aTrack->GetNetCode() != other->GetNetCode() )
break;
// Must be of the same type, on the same layer and the endpoints
// must be the same (maybe swapped)
if( (aTrack->Type() != other->Type()) &&
(aTrack->GetLayer() != other->GetLayer()) )
{
if( ((aTrack->GetStart() == other->GetStart()) &&
(aTrack->GetEnd() == other->GetEnd())) ||
((aTrack->GetStart() == other->GetEnd()) &&
(aTrack->GetEnd() == other->GetStart())))
{
m_Brd->GetRatsnest()->Remove( other );
other->ViewRelease();
other->DeleteStructure();
modified = true;
}
}
}
return modified;
}
bool TRACKS_CLEANER::merge_collinear_of_track( TRACK *aSegment )
{
bool merged_this = false;
// *WHY* doesn't C++ have prec and succ (or ++ --) like PASCAL?
for( ENDPOINT_T endpoint = ENDPOINT_START; endpoint <= ENDPOINT_END;
endpoint = ENDPOINT_T( endpoint + 1 ) )
{
// search for a possible segment connected to the current endpoint of the current one
TRACK *other = aSegment->Next();
if( other )
{
other = aSegment->GetTrack( other, NULL, endpoint, true, false );
if( other )
{
// the two segments must have the same width and the other
// cannot be a via
if( (aSegment->GetWidth() == other->GetWidth()) &&
(other->Type() == PCB_TRACE_T) )
{
// There can be only one segment connected
other->SetState( BUSY, true );
TRACK *yet_another = aSegment->GetTrack( m_Brd->m_Track, NULL,
endpoint, true, false );
other->SetState( BUSY, false );
if( !yet_another )
{
// Try to merge them
TRACK *segDelete = mergeCollinearSegmentIfPossible( aSegment,
other, endpoint );
// Merge succesful, the other one has to go away
if( segDelete )
{
m_Brd->GetRatsnest()->Remove( segDelete );
segDelete->ViewRelease();
segDelete->DeleteStructure();
merged_this = true;
}
}
}
}
}
}
return merged_this;
}
/*
* Delete dangling tracks
* Vias:
* If a via is only connected to a dangling track, it also will be removed
*/
bool TRACKS_CLEANER::deleteUnconnectedTracks()
{
if( m_Brd->m_Track == NULL )
return false;
bool modified = false;
bool item_erased;
do // Iterate when at least one track is deleted
{
item_erased = false;
TRACK* next_track;
for( TRACK *track = m_Brd->m_Track; track != NULL; track = next_track )
{
next_track = track->Next();
bool flag_erase = false; // Start without a good reason to erase it
/* if a track endpoint is not connected to a pad, test if
* the endpoint is connected to another track or to a zone.
* For via test, an enhancement could be to test if
* connected to 2 items on different layers. Currently
* a via must be connected to 2 items, that can be on the
* same layer */
// Check if there is nothing attached on the start
if( !(track->GetState( START_ON_PAD )) )
flag_erase |= testTrackEndpointDangling( track, ENDPOINT_START );
// Check if there is nothing attached on the end
if( !(track->GetState( END_ON_PAD )) )
flag_erase |= testTrackEndpointDangling( track, ENDPOINT_END );
if( flag_erase )
{
// remove segment from board
m_Brd->GetRatsnest()->Remove( track );
track->ViewRelease();
track->DeleteStructure();
/* keep iterating, because a track connected to the deleted track
* now perhaps is not connected and should be deleted */
item_erased = true;
modified = true;
}
}
} while( item_erased );
return modified;
}
// Delete null length track segments
bool TRACKS_CLEANER::delete_null_segments()
{
TRACK *nextsegment;
bool modified = false;
// Delete null segments
for( TRACK *segment = m_Brd->m_Track; segment; segment = nextsegment )
{
nextsegment = segment->Next();
if( segment->IsNull() ) // Length segment = 0; delete it
{
m_Brd->GetRatsnest()->Remove( segment );
segment->ViewRelease();
segment->DeleteStructure();
modified = true;
}
}
return modified;
}
void DIALOG_GLOBAL_DELETION::AcceptPcbDelete( )
{
bool gen_rastnest = false;
m_Parent->SetCurItem( NULL );
if( m_DelAlls->GetValue() )
{
m_Parent->Clear_Pcb( true );
}
else
{
if( !IsOK( this, _( "Are you sure you want to delete the selected items?" ) ) )
return;
BOARD* pcb = m_Parent->GetBoard();
PICKED_ITEMS_LIST pickersList;
ITEM_PICKER itemPicker( NULL, UR_DELETED );
BOARD_ITEM* item;
BOARD_ITEM* nextitem;
RN_DATA* ratsnest = pcb->GetRatsnest();
LSET layers_filter = LSET().set();
if( m_rbLayersOption->GetSelection() != 0 ) // Use current layer only
layers_filter = LSET( ToLAYER_ID( m_currentLayer ) );
if( m_DelZones->GetValue() )
{
int area_index = 0;
item = pcb->GetArea( area_index );
while( item )
{
if( layers_filter[item->GetLayer()] )
{
itemPicker.SetItem( item );
pickersList.PushItem( itemPicker );
pcb->Remove( item );
item->ViewRelease();
ratsnest->Remove( item );
gen_rastnest = true;
}
else
{
area_index++;
}
item = pcb->GetArea( area_index );
}
}
if( m_DelDrawings->GetValue() || m_DelBoardEdges->GetValue() )
{
LSET masque_layer;
if( m_DelDrawings->GetValue() )
masque_layer = LSET::AllNonCuMask().set( Edge_Cuts, false );
if( m_DelBoardEdges->GetValue() )
masque_layer.set( Edge_Cuts );
masque_layer &= layers_filter;
for( item = pcb->m_Drawings; item; item = nextitem )
{
nextitem = item->Next();
if( item->Type() == PCB_LINE_T && masque_layer[item->GetLayer()] )
{
itemPicker.SetItem( item );
pickersList.PushItem( itemPicker );
item->ViewRelease();
item->UnLink();
}
}
}
if( m_DelTexts->GetValue() )
{
LSET del_text_layers = layers_filter;
for( item = pcb->m_Drawings; item; item = nextitem )
{
nextitem = item->Next();
if( item->Type() == PCB_TEXT_T && del_text_layers[item->GetLayer()] )
{
itemPicker.SetItem( item );
pickersList.PushItem( itemPicker );
item->ViewRelease();
item->UnLink();
}
}
}
if( m_DelModules->GetValue() )
{
for( item = pcb->m_Modules; item; item = nextitem )
{
nextitem = item->Next();
if( layers_filter[item->GetLayer()] &&
( ( m_ModuleFilterNormal->GetValue() && !item->IsLocked() ) ||
( m_ModuleFilterLocked->GetValue() && item->IsLocked() ) ) )
{
itemPicker.SetItem( item );
pickersList.PushItem( itemPicker );
static_cast<MODULE*>( item )->RunOnChildren(
boost::bind( &KIGFX::VIEW_ITEM::ViewRelease, _1 ) );
ratsnest->Remove( item );
item->ViewRelease();
item->UnLink();
gen_rastnest = true;
}
}
}
if( m_DelTracks->GetValue() )
{
STATUS_FLAGS track_mask_filter = 0;
if( !m_TrackFilterLocked->GetValue() )
track_mask_filter |= TRACK_LOCKED;
if( !m_TrackFilterAR->GetValue() )
track_mask_filter |= TRACK_AR;
TRACK* nexttrack;
for( TRACK *track = pcb->m_Track; track; track = nexttrack )
{
nexttrack = track->Next();
if( ( track->GetState( TRACK_LOCKED | TRACK_AR ) & track_mask_filter ) != 0 )
continue;
if( ( track->GetState( TRACK_LOCKED | TRACK_AR ) == 0 ) &&
!m_TrackFilterNormal->GetValue() )
continue;
if( ( track->Type() == PCB_VIA_T ) && !m_TrackFilterVias->GetValue() )
continue;
if( ( track->GetLayerSet() & layers_filter ) == 0 )
continue;
itemPicker.SetItem( track );
pickersList.PushItem( itemPicker );
track->ViewRelease();
ratsnest->Remove( track );
track->UnLink();
gen_rastnest = true;
}
}
if( pickersList.GetCount() )
m_Parent->SaveCopyInUndoList( pickersList, UR_DELETED );
if( m_DelMarkers->GetValue() )
pcb->DeleteMARKERs();
if( gen_rastnest )
m_Parent->Compile_Ratsnest( NULL, true );
if( m_Parent->IsGalCanvasActive() )
pcb->GetRatsnest()->Recalculate();
}
m_Parent->GetCanvas()->Refresh();
m_Parent->OnModify();
EndModal( 1 );
}
