The `pasteboard%`object is an editor of `snip%` objects and it implements some features that make sense for an editor: for example, you can select multiple snips and drag them around with the mouse, and you can move selected snips using the keyboard, you ...| alex-hhh.github.io
The Racket GUI library provides an "editor toolkit" which can be used to implement programs that use an interactive graphical canvas where objects can be moved around with the mouse. This toolkit has good reference documentation, however this documentatio...| alex-hhh.github.io