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pcbnew: Ensure source snapping 

Choosing the drag origin should not be dependent on the snap settings in
pcbnew.  Snap settings are sensible when you are designating a target
only.  Additionally, when dragging a module, we do not want the
footprint's pads to be used as targets for snapping.

Fixes: lp:1814402
* https://bugs.launchpad.net/kicad/+bug/1814402
This commit is contained in:
Seth Hillbrand 2019-02-03 04:20:53 +01:00
parent 5c3f6f2abf
commit b461fc44ef
3 changed files with 24 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
pcbnew/tools/edit_tool.cpp
View File

@ -372,10 +372,16 @@ int EDIT_TOOL::Main( const TOOL_EVENT& aEvent )
for( auto it : selection )
{
auto item = dynamic_cast<BOARD_ITEM*>( it );
if( item )
if( auto item = dynamic_cast<BOARD_ITEM*>( it ) )
{
sel_items.push_back( item );
if( auto mod = dyn_cast<MODULE*>( item ) )
{
for( auto pad : mod->Pads() )
sel_items.push_back( pad );
}
}
}
bool restore_state = false;

12
pcbnew/tools/grid_helper.cpp
View File

@ -187,7 +187,7 @@ VECTOR2I GRID_HELPER::AlignToSegment( const VECTOR2I& aPoint, const SEG& aSeg )
VECTOR2I GRID_HELPER::BestDragOrigin( const VECTOR2I &aMousePos, BOARD_ITEM* aItem )
{
clearAnchors();
computeAnchors( aItem, aMousePos );
computeAnchors( aItem, aMousePos, true );
double worldScale = m_frame->GetGalCanvas()->GetGAL()->GetWorldScale();
double lineSnapMinCornerDistance = 50.0 / worldScale;
@ -325,7 +325,7 @@ BOARD_ITEM* GRID_HELPER::GetSnapped( void ) const
}
void GRID_HELPER::computeAnchors( BOARD_ITEM* aItem, const VECTOR2I& aRefPos )
void GRID_HELPER::computeAnchors( BOARD_ITEM* aItem, const VECTOR2I& aRefPos, const bool aFrom )
{
VECTOR2I origin;
@ -337,7 +337,7 @@ void GRID_HELPER::computeAnchors( BOARD_ITEM* aItem, const VECTOR2I& aRefPos )
for( auto pad : mod->Pads() )
{
if( m_frame->Settings().m_magneticPads == CAPTURE_ALWAYS &&
if( ( aFrom || m_frame->Settings().m_magneticPads == CAPTURE_ALWAYS ) &&
pad->GetBoundingBox().Contains( wxPoint( aRefPos.x, aRefPos.y ) ) )
{
addAnchor( pad->GetPosition(), CORNER | SNAPPABLE, pad );
@ -352,7 +352,7 @@ void GRID_HELPER::computeAnchors( BOARD_ITEM* aItem, const VECTOR2I& aRefPos )
case PCB_PAD_T:
{
if( m_frame->Settings().m_magneticPads == CAPTURE_ALWAYS )
if( aFrom || m_frame->Settings().m_magneticPads == CAPTURE_ALWAYS )
{
D_PAD* pad = static_cast<D_PAD*>( aItem );
addAnchor( pad->GetPosition(), CORNER | SNAPPABLE, pad );
@ -427,7 +427,7 @@ void GRID_HELPER::computeAnchors( BOARD_ITEM* aItem, const VECTOR2I& aRefPos )
case PCB_TRACE_T:
{
if( m_frame->Settings().m_magneticTracks == CAPTURE_ALWAYS )
if( aFrom || m_frame->Settings().m_magneticTracks == CAPTURE_ALWAYS )
{
TRACK* track = static_cast<TRACK*>( aItem );
VECTOR2I start = track->GetStart();
@ -449,7 +449,7 @@ void GRID_HELPER::computeAnchors( BOARD_ITEM* aItem, const VECTOR2I& aRefPos )
case PCB_VIA_T:
{
if( m_frame->Settings().m_magneticTracks == CAPTURE_ALWAYS )
if( aFrom || m_frame->Settings().m_magneticTracks == CAPTURE_ALWAYS )
addAnchor( aItem->GetPosition(), ORIGIN | CORNER | SNAPPABLE, aItem );
break;

10
pcbnew/tools/grid_helper.h
View File

@ -114,7 +114,15 @@ private:
ANCHOR* nearestAnchor( const VECTOR2I& aPos, int aFlags, LSET aMatchLayers );
void computeAnchors( BOARD_ITEM* aItem, const VECTOR2I& aRefPos );
/**
* computeAnchors inserts the local anchor points in to the grid helper for the specified
* board item, given the reference point and the direction of use for the point.
*
* @param aItem The board item for which to compute the anchors
* @param aRefPos The point for which to compute the anchors (if used by the component)
* @param aFrom Is this for an anchor that is designating a source point (aFrom=true) or not
*/
void computeAnchors( BOARD_ITEM* aItem, const VECTOR2I& aRefPos, const bool aFrom = false );
void clearAnchors()
{