Setting lifeline style of lifeline created by _evt #22

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realmayus · 2026-01-17T18:45:28Z

realmayus commented

2026-01-17 18:45:28 +00:00

Hi, how do I change the color of a lifeline that was created using _evt("foo", "enable")?

Is it maybe possible to create it invisibly using _seq so I can set the lifeline style?

Hi, how do I change the color of a lifeline that was created using `_evt("foo", "enable")`? Is it maybe possible to create it invisibly using `_seq` so I can set the lifeline style?

HEL commented

2026-01-19 07:43:22 +00:00

It looks like lifeline style is not exposed as a parameter of _evt
As a workaround, you can directly write the full element like so:

#chronos.diagram({
  import chronos: *

  ((
    type: "evt",
    participant: "a",
    event: "enable",
    lifeline-style: (fill: red)
  ),)
  
  _seq("a", "b")

  _seq("b", "a", disable-dst: true)
})

It looks like lifeline style is not exposed as a parameter of `_evt` As a workaround, you can directly write the full element like so: ```typst #chronos.diagram({ import chronos: * (( type: "evt", participant: "a", event: "enable", lifeline-style: (fill: red) ),) _seq("a", "b") _seq("b", "a", disable-dst: true) }) ```

img.png

10 KiB

realmayus commented

2026-01-19 14:26:34 +00:00

Awesome, thank you!

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Reference: HEL/chronos#22