Comments

[rachel-fenichel]

Users should be able to add comments on blocks and on the workspace.

Scratch 2.0 comments:

• Can be dragged from one block to another
• Can be dragged from a block to the workspace and vice versa
• Are fixed position relative to their parent block
• Can be added (only?) through the context menu
• Can be minimized but not fully hidden
• Can be resized
• Move with their parent blocks during drags
• Can be dragged from any point on the comment except for the resize handle
• Can be duplicated through the context menu
• Do not duplicate when the parent block is duplicated
• Can be deleted through the right-click menu
• Can be deleted by dragging to the toolbox

Some Scratch 2.0 behaviour that we probably don't want to duplicate:

• In Scratch 2.0 multiple comments can be attached to a single block, but they are always stacked so that only one can be read at a time.
• There are no clear drag targets for dragging a comment to a block. I experimented a bit and comments will attach to a block if the gray arrow on the comment is within the bounds of the first row of the block at the end of the drag.
• Multiple comments on a block stack are very hard to read, because they also stack on top of each other.

[prail]

Just another thing I'd like to mention here. Currently in Scratch 2.0 when placing a comment on a rather wide stack of blocks the comment will be pushed very far away from the start of the block making it hard to read continuous comments.

[kchadha]

Closing as most of this was resolved by #1519, #1544, and #1575, and outstanding issues are being tracked separately.