modify behavior of position relative tool

CHANGED: The reset buttons now set the X or Y offset to the current
offset from the reference position. Selecting individual pads as the reference item is now also possible.

pcbnew/dialogs/dialog_position_relative.cpp

@@ -156,12 +156,16 @@ void DIALOG_POSITION_RELATIVE::updateDialogControls( bool aPolar )
         m_xOffset.SetLabel( _( "Distance:" ) );     // Polar radius
         m_yOffset.SetLabel( _( "Angle:" ) );        // Polar theta or angle
         m_yOffset.SetUnits( EDA_UNITS::DEGREES );
+        m_clearX->SetToolTip( _( "Reset to the current distance from the reference position." ) );
+        m_clearY->SetToolTip( _( "Reset to the current angle from the reference position." ) );
     }
     else
     {
         m_xOffset.SetLabel( _( "Offset X:" ) );
         m_yOffset.SetLabel( _( "Offset Y:" ) );
         m_yOffset.SetUnits( GetUserUnits() );
+        m_clearX->SetToolTip( _( "Reset to the current X offset from the reference position." ) );
+        m_clearY->SetToolTip( _( "Reset to the current Y offset from the reference position." ) );
     }
 }
 
@@ -169,14 +173,43 @@ void DIALOG_POSITION_RELATIVE::updateDialogControls( bool aPolar )
 void DIALOG_POSITION_RELATIVE::OnClear( wxCommandEvent& event )
 {
     wxObject* obj = event.GetEventObject();
+    POSITION_RELATIVE_TOOL* posrelTool = m_toolMgr->GetTool<POSITION_RELATIVE_TOOL>();
+    wxASSERT( posrelTool );
+
+    wxPoint offset = posrelTool->GetSelectionAnchorPosition() - m_anchor_position;
+    double  r, q;
+    ToPolarDeg( offset.x, offset.y, r, q );
+
 
     if( obj == m_clearX )
     {
-        m_xOffset.SetValue( 0 );
+        m_stateX = offset.x;
+        m_xOffset.SetDoubleValue( r );
+        m_stateRadius = m_xOffset.GetDoubleValue();
+
+        if( m_polarCoords->IsChecked() )
+        {
+            m_xOffset.SetDoubleValue( m_stateRadius );
+        }
+        else
+        {
+            m_xOffset.SetValue( m_stateX );
+        }
     }
     else if( obj == m_clearY )
     {
-        m_yOffset.SetValue( 0 );
+        m_stateY = offset.y;
+        m_yOffset.SetDoubleValue( q * 10 );
+        m_stateTheta = m_yOffset.GetDoubleValue();
+
+        if( m_polarCoords->IsChecked() )
+        {
+            m_yOffset.SetDoubleValue( m_stateTheta );
+        }
+        else
+        {
+            m_yOffset.SetValue( m_stateY );
+        }
     }
 }
 

pcbnew/tools/edit_tool.cpp

@@ -87,7 +87,7 @@ void EditToolSelectionFilter( GENERAL_COLLECTOR& aCollector, int aFlags )
             }
 
             // case 2: selection contains both the module and its pads - remove the pads
-            if( mod && aCollector.HasItem( mod ) )
+            if( !( aFlags & INCLUDE_PADS_AND_MODULES ) && mod && aCollector.HasItem( mod ) )
                 aCollector.Remove( item );
         }
         else if( ( aFlags & EXCLUDE_TRANSIENTS ) && item->Type() == PCB_MARKER_T )

pcbnew/tools/edit_tool.h

@@ -50,9 +50,10 @@ namespace KIGFX {
  * optionally excludes locked items and/or transient items (such as markers).
  */
 
-#define EXCLUDE_LOCKED      0x0001
+#define EXCLUDE_LOCKED 0x0001
 #define EXCLUDE_LOCKED_PADS 0x0002
-#define EXCLUDE_TRANSIENTS  0x0004
+#define EXCLUDE_TRANSIENTS 0x0004
+#define INCLUDE_PADS_AND_MODULES 0x0008
 
 void EditToolSelectionFilter( GENERAL_COLLECTOR& aCollector, int aFlags );
 

pcbnew/tools/position_relative_tool.cpp

@@ -92,21 +92,15 @@ int POSITION_RELATIVE_TOOL::PositionRelative( const TOOL_EVENT& aEvent )
     return 0;
 }
 
+wxPoint POSITION_RELATIVE_TOOL::GetSelectionAnchorPosition() const
+{
+    return static_cast<BOARD_ITEM*>( m_selection.GetTopLeftItem() )->GetPosition();
+}
+
 
 int POSITION_RELATIVE_TOOL::RelativeItemSelectionMove( wxPoint aPosAnchor, wxPoint aTranslation )
 {
-    wxPoint aSelAnchor( INT_MAX, INT_MAX );
-
-    // Find top-left item anchor in selection
-    for( auto item : m_selection )
-    {
-        wxPoint itemAnchor = static_cast<BOARD_ITEM*>( item )->GetPosition();
-
-        if( EuclideanNorm( itemAnchor ) < EuclideanNorm( aSelAnchor ) )
-            aSelAnchor = itemAnchor;
-    }
-
-    wxPoint aggregateTranslation = aPosAnchor + aTranslation - aSelAnchor;
+    wxPoint aggregateTranslation = aPosAnchor + aTranslation - GetSelectionAnchorPosition();
 
     for( auto item : m_selection )
     {
@@ -146,10 +140,10 @@ int POSITION_RELATIVE_TOOL::SelectPositionRelativeItem( const TOOL_EVENT& aEvent
         {
             m_toolMgr->RunAction( PCB_ACTIONS::selectionClear, true );
             const PCBNEW_SELECTION& sel = m_selectionTool->RequestSelection(
-                []( const VECTOR2I& aPt, GENERAL_COLLECTOR& aCollector )
-                {
-                    EditToolSelectionFilter( aCollector, EXCLUDE_TRANSIENTS );
-                } );
+                    []( const VECTOR2I& aPt, GENERAL_COLLECTOR& aCollector ) {
+                        EditToolSelectionFilter(
+                                aCollector, EXCLUDE_TRANSIENTS | INCLUDE_PADS_AND_MODULES );
+                    } );
 
             if( sel.Empty() )
                 return true;    // still looking for an item

pcbnew/tools/position_relative_tool.h

@@ -67,6 +67,14 @@ public:
      */
     int SelectPositionRelativeItem( const TOOL_EVENT& aEvent  );
 
+    /**
+     * Function GetSelectionAnchorPosition()
+     *
+     * Returns the postion of the selected item(s)
+     *
+     */
+    wxPoint GetSelectionAnchorPosition() const;
+
     /**
      * Function RelativeItemSelectionMove()
      *