Struct DragTool 

pub struct DragTool { /* private fields */ }

The drag tool, in hand: the placed part the pointer is over, and the one being dragged.

Implementations

impl DragTool

pub const INFO: ToolInfo

How an editor offers it, and its key.

pub fn dragged(&self) -> Option<&Report>

How the solve of its last drag went: whether the constraints hold, and how hard it was to get there.

Trait Implementations

impl Clone for DragTool

fn clone(&self) -> DragTool

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Default for DragTool

fn default() -> DragTool

Returns the “default value” for a type.

impl Tool for DragTool

fn handle( &mut self, ctx: &mut EditorContext<'_>, event: &StepEditEvent, ) -> GeopResult<Changed>

An event in the viewport: a hover finds the placed part a press would grab, a drag pulls the point grabbed towards the pointer — in the plane through it facing the eye — and solves the program’s mates with that pull, every part that is not fixed free to give way. A drag, once released, is one edit to undo.

fn presentation(&self) -> Presentation

What it shows: the part it would drag, or drags, lit — and that a press grabs it.

fn inspection( &mut self, _ctx: &mut EditorContext<'_>, ) -> Result<Option<Inspection>, GeopError>

What it answers about the part, with every update while it is in hand: nothing, unless it says otherwise.