added bool Intersects()

common/base_struct.cpp

@@ -697,6 +697,23 @@ bool EDA_Rect::Inside( const wxPoint& point )
 }
 
 
+bool EDA_Rect::Intersects( const EDA_Rect aRect ) const
+{
+    // this logic taken from wxWidgets' geometry.cpp file:
+
+    int left   = MAX( m_Pos.x , aRect.m_Pos.x );
+    int right  = MIN( m_Pos.x+m_Size.x, aRect.m_Pos.x+aRect.m_Size.x );
+    int top    = MAX( m_Pos.y , aRect.m_Pos.y );
+    int bottom = MIN( m_Pos.y+m_Size.y, aRect.m_Pos.y + aRect.m_Size.y );
+
+    if( left < right && top < bottom )
+    {
+        return true;
+    }
+    return false;
+}
+
+
 /**************************************************/
 EDA_Rect& EDA_Rect::Inflate( wxCoord dx, wxCoord dy )
 /**************************************************/