Entry block: Change top of shape to ellipsis

To make entry blocks more distinguishable from the parameter blocks.

Add another drag area, a rectangle that approximates the added ellipsis
part. So the block can also be dragged from it. This drag area has a
fixed size and doesn't expand.

addons/block_code/ui/blocks/entry_block/entry_block.tscn

@@ -19,6 +19,12 @@ layout_mode = 2
 mouse_filter = 2
 theme_override_constants/separation = 0
 
+[node name="DragDropArea" parent="VBoxContainer" instance=ExtResource("3_swkpp")]
+custom_minimum_size = Vector2(80, 16)
+layout_mode = 2
+size_flags_horizontal = 0
+mouse_default_cursor_shape = 2
+
 [node name="TopMarginContainer" type="MarginContainer" parent="VBoxContainer"]
 custom_minimum_size = Vector2(0, 30)
 layout_mode = 2
@@ -56,4 +62,5 @@ layout_mode = 2
 [node name="SnapPoint" parent="VBoxContainer" instance=ExtResource("4_yj206")]
 layout_mode = 2
 
+[connection signal="drag_started" from="VBoxContainer/DragDropArea" to="." method="_on_drag_drop_area_drag_started"]
 [connection signal="drag_started" from="VBoxContainer/TopMarginContainer/DragDropArea" to="." method="_on_drag_drop_area_drag_started"]

addons/block_code/ui/blocks/utilities/background/background.gd

@@ -77,9 +77,29 @@ func _get_knob_shape(displacement: Vector2 = Vector2.ZERO) -> PackedVector2Array
 
 func _get_entry_shape() -> PackedVector2Array:
 	var box_shape = _get_box_shape(size)
+	var ellipsis = PackedVector2Array(
+		[
+			Vector2(5, -4.012612),
+			Vector2(10, -7.240165),
+			Vector2(15, -9.822201),
+			Vector2(20, -11.84718),
+			Vector2(25, -13.37339),
+			Vector2(30, -14.43944),
+			Vector2(35, -15.06994),
+			Vector2(40, -15.27864),
+			Vector2(45, -15.06994),
+			Vector2(50, -14.43944),
+			Vector2(55, -13.37339),
+			Vector2(60, -11.84718),
+			Vector2(65, -9.822201),
+			Vector2(70, -7.240165),
+			Vector2(75, -4.012612),
+			Vector2(80, 0),
+		]
+	)
 	var bottom_knob_shape = _get_knob_shape(Vector2(Constants.KNOB_X, size.y))
 	bottom_knob_shape.reverse()
-	return box_shape.slice(0, 3) + bottom_knob_shape + box_shape.slice(3)
+	return box_shape.slice(0, 1) + ellipsis + box_shape.slice(1, 3) + bottom_knob_shape + box_shape.slice(3)
 
 
 func _get_statement_shape() -> PackedVector2Array: