Added EDIT_LINEs for dragging zone outlines.

pcbnew/tools/edit_points.cpp

@@ -39,10 +39,19 @@ EDIT_POINT* EDIT_POINTS::FindPoint( const VECTOR2I& aLocation )
 {
     float size = m_view->ToWorld( EDIT_POINT::POINT_SIZE );
 
-    std::deque<EDIT_POINT>::iterator it, itEnd;
-    for( it = m_points.begin(), itEnd = m_points.end(); it != itEnd; ++it )
+    std::deque<EDIT_POINT>::iterator pit, pitEnd;
+    for( pit = m_points.begin(), pitEnd = m_points.end(); pit != pitEnd; ++pit )
     {
-        EDIT_POINT& point = *it;
+        EDIT_POINT& point = *pit;
+
+        if( point.WithinPoint( aLocation, size ) )
+            return &point;
+    }
+
+    std::deque<EDIT_LINE>::iterator lit, litEnd;
+    for( lit = m_lines.begin(), litEnd = m_lines.end(); lit != litEnd; ++lit )
+    {
+        EDIT_LINE& point = *lit;
 
         if( point.WithinPoint( aLocation, size ) )
             return &point;
@@ -65,5 +74,8 @@ void EDIT_POINTS::ViewDraw( int aLayer, KIGFX::GAL* aGal ) const
     BOOST_FOREACH( const EDIT_POINT& point, m_points )
         aGal->DrawRectangle( point.GetPosition() - size / 2, point.GetPosition() + size / 2 );
 
+    BOOST_FOREACH( const EDIT_LINE& line, m_lines )
+        aGal->DrawRectangle( line.GetPosition() - size / 2, line.GetPosition() + size / 2 );
+
     aGal->PopDepth();
 }

pcbnew/tools/edit_points.h

@@ -52,21 +52,21 @@ class EDIT_POINT
 {
 public:
     EDIT_POINT( const VECTOR2I& aPoint ) :
-        m_point( aPoint ), m_constraint( NULL ) {};
+        m_position( aPoint ), m_constraint( NULL ) {};
 
-    ~EDIT_POINT()
+    virtual ~EDIT_POINT()
     {
         delete m_constraint;
     }
 
-    const VECTOR2I& GetPosition() const
+    virtual VECTOR2I GetPosition() const
     {
-        return m_point;
+        return m_position;
     }
 
-    void SetPosition( const VECTOR2I& aPosition )
+    virtual void SetPosition( const VECTOR2I& aPosition )
     {
-        m_point = aPosition;
+        m_position = aPosition;
     }
 
     bool WithinPoint( const VECTOR2I& aPoint, unsigned int aSize ) const
@@ -110,18 +110,56 @@ public:
 
     bool operator==( const EDIT_POINT& aOther ) const
     {
-        return m_point == aOther.m_point;
+        return m_position == aOther.m_position;
     }
 
     ///> Single point size in pixels
     static const int POINT_SIZE = 10;
 
-private:
-    VECTOR2I m_point;
+protected:
+    VECTOR2I m_position;
     EDIT_POINT_CONSTRAINT* m_constraint;
 };
 
 
+class EDIT_LINE : public EDIT_POINT
+{
+public:
+    EDIT_LINE( EDIT_POINT& aOrigin, EDIT_POINT& aEnd ) :
+        EDIT_POINT( aOrigin.GetPosition() + ( aEnd.GetPosition() - aOrigin.GetPosition() ) / 2 ),
+        m_origin( aOrigin ), m_end( aEnd )
+    {
+    }
+
+    virtual VECTOR2I GetPosition() const
+    {
+        return m_origin.GetPosition() + ( m_end.GetPosition() - m_origin.GetPosition() ) / 2;
+    }
+
+    virtual void SetPosition( const VECTOR2I& aPosition )
+    {
+        VECTOR2I difference = aPosition - GetPosition();
+
+        m_origin.SetPosition( m_origin.GetPosition() + difference );
+        m_end.SetPosition( m_end.GetPosition() + difference );
+    }
+
+    bool operator==( const EDIT_POINT& aOther ) const
+    {
+        return GetPosition() == aOther.GetPosition();
+    }
+
+    bool operator==( const EDIT_LINE& aOther ) const
+    {
+        return m_origin == aOther.m_origin && m_end == aOther.m_end;
+    }
+
+private:
+    EDIT_POINT& m_origin;
+    EDIT_POINT& m_end;
+};
+
+
 class EDIT_POINTS : public EDA_ITEM
 {
 public:
@@ -139,14 +177,24 @@ public:
         return m_parent;
     }
 
-    void Add( const EDIT_POINT& aPoint )
+    void AddPoint( const EDIT_POINT& aPoint )
     {
         m_points.push_back( aPoint );
     }
 
-    void Add( const VECTOR2I& aPoint )
+    void AddPoint( const VECTOR2I& aPoint )
+    {
+        AddPoint( EDIT_POINT( aPoint ) );
+    }
+
+    void AddLine( const EDIT_LINE& aLine )
     {
-        Add( EDIT_POINT( aPoint ) );
+        m_lines.push_back( aLine );
+    }
+
+    void AddLine( EDIT_POINT& aOrigin, EDIT_POINT& aEnd )
+    {
+        m_lines.push_back( EDIT_LINE( aOrigin, aEnd ) );
     }
 
     EDIT_POINT* Previous( const EDIT_POINT& aPoint )
@@ -162,6 +210,17 @@ public:
             }
         }
 
+        for( unsigned int i = 0; i < m_lines.size(); ++i )
+        {
+            if( m_lines[i] == aPoint )
+            {
+                if( i == 0 )
+                    return &m_lines[m_lines.size() - 1];
+                else
+                    return &m_lines[i - 1];
+            }
+        }
+
         return NULL;
     }
 
@@ -178,6 +237,17 @@ public:
             }
         }
 
+        for( unsigned int i = 0; i < m_lines.size(); ++i )
+        {
+            if( m_lines[i] == aPoint )
+            {
+                if( i == m_lines.size() - 1 )
+                    return &m_lines[0];
+                else
+                    return &m_lines[i + 1];
+            }
+        }
+
         return NULL;
     }
 
@@ -216,6 +286,7 @@ public:
 private:
     EDA_ITEM* m_parent;
     std::deque<EDIT_POINT> m_points;
+    std::deque<EDIT_LINE> m_lines;
 };
 
 

pcbnew/tools/point_editor.cpp

@@ -60,15 +60,15 @@ public:
                 switch( segment->GetShape() )
                 {
                 case S_SEGMENT:
-                    points->Add( segment->GetStart() );
-                    points->Add( segment->GetEnd() );
+                    points->AddPoint( segment->GetStart() );
+                    points->AddPoint( segment->GetEnd() );
 
                     break;
 
                 case S_ARC:
-                    points->Add( segment->GetCenter() );         // points[0]
-                    points->Add( segment->GetArcStart() );       // points[1]
-                    points->Add( segment->GetArcEnd() );         // points[2]
+                    points->AddPoint( segment->GetCenter() );         // points[0]
+                    points->AddPoint( segment->GetArcStart() );       // points[1]
+                    points->AddPoint( segment->GetArcEnd() );         // points[2]
 
                     // Set constraints
                     // Arc end has to stay at the same radius as the start
@@ -76,8 +76,9 @@ public:
                     break;
 
                 case S_CIRCLE:
-                    points->Add( segment->GetCenter() );
-                    points->Add( segment->GetEnd() );
+                    points->AddPoint( segment->GetCenter() );
+                    points->AddPoint( segment->GetEnd() );
+                    break;
 
                 default:        // suppress warnings
                     break;
@@ -89,9 +90,17 @@ public:
             case PCB_ZONE_AREA_T:
             {
                 const CPolyLine* outline = static_cast<const ZONE_CONTAINER*>( aItem )->Outline();
+                int cornersCount = outline->GetCornersCount();
 
-                for( int i = 0; i < outline->GetCornersCount(); ++i )
-                    points->Add( outline->GetPos( i ) );
+                for( int i = 0; i < cornersCount; ++i )
+                    points->AddPoint( outline->GetPos( i ) );
+
+                // Lines have to be added after creating edit points, so they use EDIT_POINT references
+                for( int i = 0; i < cornersCount - 1; ++i )
+                    points->AddLine( (*points)[i], (*points)[i + 1] );
+
+                // The one missing line
+                points->AddLine( (*points)[cornersCount - 1], (*points)[0] );
 
                 break;
             }
@@ -147,7 +156,7 @@ int POINT_EDITOR::OnSelectionChange( TOOL_EVENT& aEvent )
         Activate();
 
         KIGFX::VIEW_CONTROLS* controls = getViewControls();
-        KIGFX::VIEW* view = getView();                               // TODO should be updated on canvas switch?
+        KIGFX::VIEW* view = getView();
         PCB_EDIT_FRAME* editFrame = getEditFrame<PCB_EDIT_FRAME>();
         EDA_ITEM* item = selection.items.GetPickedItem( 0 );
 
@@ -210,9 +219,9 @@ int POINT_EDITOR::OnSelectionChange( TOOL_EVENT& aEvent )
                 {
                     if( !m_dragPoint->IsConstrained() )
                     {
-                        // Find the previous point to be used as constrainer
-                        EDIT_POINT* constrainer = m_editPoints->Previous( *m_dragPoint );
-                        m_dragPoint->SetConstraint( new EPC_45DEGREE( *m_dragPoint, *constrainer ) );
+                        // Find a proper constraining point for 45 degrees mode
+                        EDIT_POINT constrainer = get45DegConstrainer();
+                        m_dragPoint->SetConstraint( new EPC_45DEGREE( *m_dragPoint, constrainer ) );
                     }
                 }
                 else
@@ -446,3 +455,31 @@ void POINT_EDITOR::updatePoints() const
         break;
     }
 }
+
+
+EDIT_POINT POINT_EDITOR::get45DegConstrainer() const
+{
+    EDA_ITEM* item = m_editPoints->GetParent();
+
+    if( item->Type() == PCB_LINE_T )
+    {
+        const DRAWSEGMENT* segment = static_cast<const DRAWSEGMENT*>( item );
+        {
+            switch( segment->GetShape() )
+            {
+            case S_SEGMENT:
+                return *( m_editPoints->Next( *m_dragPoint ) );     // select the other end of line
+
+            case S_ARC:
+            case S_CIRCLE:
+                return (*m_editPoints)[0];      // center
+
+            default:        // suppress warnings
+                break;
+            }
+        }
+    }
+
+    // In any other case we may align item to the current cursor position.
+    return EDIT_POINT( getViewControls()->GetCursorPosition() );
+}

pcbnew/tools/point_editor.h

@@ -75,6 +75,9 @@ private:
     ///> Updates edit points with item's points.
     void updatePoints() const;
 
+    ///> Returns a point that should be used as a constrainer for 45 degrees mode.
+    EDIT_POINT get45DegConstrainer() const;
+
     ///> Sets up handlers for various events.
     void setTransitions()
     {