Add top level block position API

Author: adazem009

include/scratchcpp/block.h

@@ -56,6 +56,12 @@ class LIBSCRATCHCPP_EXPORT Block : public Entity
 
         bool topLevel() const;
 
+        int x() const;
+        void setX(int x);
+
+        int y() const;
+        void setY(int y);
+
         std::shared_ptr<Comment> comment() const;
         const std::string &commentId() const;
         void setComment(std::shared_ptr<Comment> comment);

src/scratch/block.cpp

@@ -313,6 +313,36 @@ bool Block::topLevel() const
     return (impl->parentId == "" && !impl->parent);
 }
 
+/*! Returns the X-coordinate of the block in the code area (only for top level blocks). */
+int Block::x() const
+{
+    return impl->x;
+}
+
+/*! Sets the X-coordinate of the block in the code area (only for top level blocks). */
+void Block::setX(int x)
+{
+    if (!topLevel())
+        std::cout << "warning: setting X-coordinate of a block which is not a top level block" << std::endl;
+
+    impl->x = x;
+}
+
+/*! Returns the Y-coordinate of the block in the code area (only for top level blocks). */
+int Block::y() const
+{
+    return impl->y;
+}
+
+/*! Sets the Y-coordinate of the block in the code area (only for top level blocks). */
+void Block::setY(int y)
+{
+    if (!topLevel())
+        std::cout << "warning: setting Y-coordinate of a block which is not a top level block" << std::endl;
+
+    impl->y = y;
+}
+
 /*! Returns the comment which is attached to this block. */
 std::shared_ptr<Comment> Block::comment() const
 {

src/scratch/block_p.h

@@ -33,6 +33,8 @@ struct BlockPrivate
         std::vector<std::shared_ptr<Field>> fields;
         std::unordered_map<int, Field *> fieldMap;
         bool shadow = false;
+        int x = 0;
+        int y = 0;
         std::string commentId;
         std::shared_ptr<Comment> comment = nullptr;
         IEngine *engine = nullptr;

test/scratch_classes/block_test.cpp

@@ -194,6 +194,24 @@ TEST_F(BlockTest, TopLevel)
     ASSERT_TRUE(block.topLevel());
 }
 
+TEST_F(BlockTest, X)
+{
+    Block block("", "");
+    ASSERT_EQ(block.x(), 0);
+
+    block.setX(12);
+    ASSERT_EQ(block.x(), 12);
+}
+
+TEST_F(BlockTest, Y)
+{
+    Block block("", "");
+    ASSERT_EQ(block.y(), 0);
+
+    block.setY(8);
+    ASSERT_EQ(block.y(), 8);
+}
+
 TEST_F(BlockTest, Comment)
 {
     Block block("", "");