/* Function called to abort a track creation
*/
static void Abort_Create_Track( EDA_DRAW_PANEL* Panel, wxDC* DC )
{
PCB_EDIT_FRAME* frame = (PCB_EDIT_FRAME*) Panel->GetParent();
BOARD* pcb = frame->GetBoard();
TRACK* track = (TRACK*) frame->GetCurItem();
if( track && ( track->Type()==PCB_VIA_T || track->Type()==PCB_TRACE_T ) )
{
// Erase the current drawing
ShowNewTrackWhenMovingCursor( Panel, DC, wxDefaultPosition, false );
if( pcb->IsHighLightNetON() )
frame->HighLight( DC );
pcb->PopHighLight();
if( pcb->IsHighLightNetON() )
pcb->DrawHighLight( Panel, DC, pcb->GetHighLightNetCode() );
frame->ClearMsgPanel();
// Undo pending changes (mainly a lock point creation) and clear the
// undo picker list:
frame->PutDataInPreviousState( &s_ItemsListPicker, false, false );
s_ItemsListPicker.ClearListAndDeleteItems();
// Delete current (new) track
g_CurrentTrackList.DeleteAll();
}
frame->SetCurItem( NULL );
}
TRACK* PCB_EDIT_FRAME::Delete_Segment( wxDC* DC, TRACK* aTrack )
{
int current_net_code;
if( aTrack == NULL )
return NULL;
if( aTrack->IsNew() ) // Trace in progress, erase the last segment
{
if( g_CurrentTrackList.GetCount() > 0 )
{
LAYER_NUM previous_layer = GetActiveLayer();
DBG( g_CurrentTrackList.VerifyListIntegrity(); )
// Delete the current trace
ShowNewTrackWhenMovingCursor( m_canvas, DC, wxDefaultPosition, false );
// delete the most recently entered
delete g_CurrentTrackList.PopBack();
if( g_TwoSegmentTrackBuild )
{
// if in 2 track mode, and the next most recent is a segment
// not a via, and the one previous to that is a via, then
// delete up to the via.
if( g_CurrentTrackList.GetCount() >= 2
&& g_CurrentTrackSegment->Type() != PCB_VIA_T
&& g_CurrentTrackSegment->Back()->Type() == PCB_VIA_T )
{
delete g_CurrentTrackList.PopBack();
}
}
while( g_CurrentTrackSegment && g_CurrentTrackSegment->Type() == PCB_VIA_T )
{
delete g_CurrentTrackList.PopBack();
if( g_CurrentTrackSegment && g_CurrentTrackSegment->Type() != PCB_VIA_T )
previous_layer = g_CurrentTrackSegment->GetLayer();
}
// Correct active layer which could change if a via
// has been erased
SetActiveLayer( previous_layer );
UpdateStatusBar();
if( g_TwoSegmentTrackBuild ) // We must have 2 segments or more, or 0
{
if( g_CurrentTrackList.GetCount() == 1
&& g_CurrentTrackSegment->Type() != PCB_VIA_T )
{
delete g_CurrentTrackList.PopBack();
}
}
if( g_CurrentTrackList.GetCount() == 0 )
{
m_canvas->SetMouseCapture( NULL, NULL );
if( GetBoard()->IsHighLightNetON() )
HighLight( DC );
SetCurItem( NULL );
return NULL;
}
else
{
if( m_canvas->IsMouseCaptured() )
m_canvas->CallMouseCapture( DC, wxDefaultPosition, false );
return g_CurrentTrackSegment;
}
}
