refactored event styling

src/core/draw/delay.typ

@@ -24,7 +24,7 @@
   let y1 = ctx.y - size
   for (i, line) in ctx.lifelines.enumerate() {
     line.events.push((type: "delay-start", y: y0))
-    line.events.push((type: "delay-end", y: y1, stroke: style.stroke))
+    line.events.push((type: "delay-end", y: y1, style: style))
     ctx.lifelines.at(i) = line
   }
   if delay.name != none {

src/core/draw/event.typ

@@ -1,18 +1,26 @@
+#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)
+  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
-    entry.insert("style", evt.lifeline-style)
   } else if evt.event == "create" {
     ctx.y -= CREATE-OFFSET
     entry.y = ctx.y

src/core/draw/participant.typ

@@ -156,7 +156,7 @@
         draw.line(
           (x, last-y),
           (x, event.y),
-          stroke: event.stroke
+          stroke: event.style.stroke
         )
         last-y = event.y
       }

src/misc.typ

@@ -43,13 +43,13 @@
   ),)
 }
 
-#let _evt(participant, event) = {
+#let _evt(participant, event, ..style) = {
   return ((
     type: "evt",
     draw: evt-render,
     participant: participant,
     event: event,
-    lifeline-style: auto
+    style: style.named()
   ),)
 }