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PNS: keep last valid diff pair trace as current state 

This allows fixing/committing what is on screen even if the current
cursor position doesn't have a valid solution (the old behavior
would result in the current trace disappearing)
This commit is contained in:
Jon Evans 2021-04-14 22:43:54 -04:00
parent c829dba88e
commit 268d570941
2 changed files with 6 additions and 1 deletions
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6
pcbnew/router/pns_diff_pair_placer.cpp
View File

@ -55,6 +55,7 @@ DIFF_PAIR_PLACER::DIFF_PAIR_PLACER( ROUTER* aRouter ) :
m_snapOnTarget = false; m_snapOnTarget = false;
m_currentEndItem = NULL; m_currentEndItem = NULL;
m_currentMode = RM_MarkObstacles; m_currentMode = RM_MarkObstacles;
m_currentTraceOk = false;
m_idle = true; m_idle = true;
} }
@ -556,6 +557,8 @@ bool DIFF_PAIR_PLACER::Start( const VECTOR2I& aP, ITEM* aStartItem )
m_currentEnd = p; m_currentEnd = p;
m_placingVia = false; m_placingVia = false;
m_chainedPlacement = false; m_chainedPlacement = false;
m_currentTraceOk = false;
m_currentTrace = DIFF_PAIR();
initPlacement(); initPlacement();
@ -655,6 +658,7 @@ bool DIFF_PAIR_PLACER::routeHead( const VECTOR2I& aP )
if( result ) if( result )
{ {
m_currentTraceOk = true;
m_currentTrace.SetNets( m_netP, m_netN ); m_currentTrace.SetNets( m_netP, m_netN );
m_currentTrace.SetWidth( m_sizes.DiffPairWidth() ); m_currentTrace.SetWidth( m_sizes.DiffPairWidth() );
m_currentTrace.SetGap( m_sizes.DiffPairGap() ); m_currentTrace.SetGap( m_sizes.DiffPairGap() );
@ -668,7 +672,7 @@ bool DIFF_PAIR_PLACER::routeHead( const VECTOR2I& aP )
return true; return true;
} }
return false; return m_currentTraceOk;
} }

1
pcbnew/router/pns_diff_pair_placer.h
View File

@ -265,6 +265,7 @@ private:
VECTOR2I m_currentEnd, m_currentStart; VECTOR2I m_currentEnd, m_currentStart;
DIFF_PAIR m_currentTrace; DIFF_PAIR m_currentTrace;
bool m_currentTraceOk;
ITEM* m_currentEndItem; ITEM* m_currentEndItem;
PNS_MODE m_currentMode; PNS_MODE m_currentMode;