Files
chronos/src/core/draw/event.typ

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870 B
Typst

#import "/src/cetz.typ": styles
#import "/src/consts.typ": *
#import "/src/core/utils.typ": get-ctx, set-ctx
#let render(evt) = get-ctx(ctx => {
let style = styles.resolve(
ctx.style,
merge: evt.style,
root: "event",
base: ()
)
let par-name = evt.participant
let i = ctx.pars-i.at(par-name)
let par = ctx.participants.at(i)
let line = ctx.lifelines.at(i)
let entry = (type: evt.event, y: ctx.y, style: style)
if evt.event == "disable" {
line.level -= 1
} else if evt.event == "enable" {
line.level += 1
} else if evt.event == "create" {
ctx.y -= CREATE-OFFSET
entry.y = ctx.y
(par.draw)(par, y: ctx.y)
} else if evt.event == "destroy" {
} else {
panic("Unknown event '" + evt.event + "'")
}
line.events.push(entry)
set-ctx(c => {
c.lifelines.at(i) = line
c.y = ctx.y
return c
})
})