gallery/example1.typ

@@ -53,22 +53,4 @@ Alice <-- Bob: Another authentication Response
   _sep("Repetition")
   _seq("Alice", "Bob", comment: "Another authentication Request")
   _seq("Bob", "Alice", comment: "another authentication Response", dashed: true)
-})
-
-#chronos.diagram({
-  import "/src/diagram.typ": *
-  _seq("Alice", "Bob", comment: "message 1")
-  _seq("Bob", "Alice", comment: "ok", dashed: true)
-  _gap()
-  _seq("Alice", "Bob", comment: "message 2")
-  _seq("Bob", "Alice", comment: "ok", dashed: true)
-  _gap(size: 45)
-  _seq("Alice", "Bob", comment: "message 3")
-  _seq("Bob", "Alice", comment: "ok", dashed: true)
-})
-
-#chronos.diagram({
-  import "/src/diagram.typ": *
-  _seq("Alice", "Alice", comment: "On the\nright")
-  _seq("Alice", "Alice", flip: true, comment: "On the\nleft")
 })

src/diagram.typ

@@ -7,8 +7,7 @@
   comment: none,
   dashed: false,
   tip: "default",
-  color: black,
+  color: black
-  flip: false
 ) = {
   return ((
     type: "seq",
@@ -18,7 +17,6 @@
     dashed: dashed,
     tip: tip,
     color: color,
-    flip: flip
   ),)
 }
 
@@ -57,13 +55,6 @@
   ),)
 }
 
-#let _gap(size: 20) = {
-  return ((
-    type: "gap",
-    size: size
-  ),)
-}
-
 #let diagram(elements) = {
   let participants = ()
   let elmts = elements

src/renderer.typ

@@ -4,7 +4,6 @@
 #let Y-SPACE = 10
 #let PAR-PAD = (5pt, 3pt)
 #let PAR-SPACE = 10
-#let COMMENT-PAD = 8
 
 
 #let get-columns-width(participants, elements) = {
@@ -39,7 +38,7 @@
     let m = measure(cell.cell)
     widths.at(cell.i1) = calc.max(
       widths.at(cell.i1),
-      m.width / 1pt + COMMENT-PAD
+      m.width / 1pt
     )
   }
 
@@ -133,51 +132,22 @@
         )
       )
 
-      if elmt.p1 == elmt.p2 {
+      if elmt.comment != none {
-        x2 = if elmt.flip {x1 - 20} else {x1 + 20}
+        y -= measure(box(elmt.comment)).height / 1pt + 6
-
+        draw.content(
-        if elmt.comment != none {
+          (calc.min(x1, x2), y),
-          y -= measure(box(elmt.comment)).height / 1pt + 6
+          elmt.comment,
-          draw.content(
+          anchor: "south-west",
-            (x1, y),
+          padding: 3pt
-            elmt.comment,
-            anchor: if elmt.flip {"south-east"} else {"south-west"},
-            padding: 3pt
-          )
-        }
-
-        draw.line(
-          (x1, y),
-          (x2, y),
-          (x2, y - 10),
-          (x1, y - 10),
-          ..style
-        )
-        y -= 10
-
-      } else {
-        if elmt.comment != none {
-          let x = calc.min(x1, x2)
-          if x2 < x1 {
-            x += COMMENT-PAD
-          }
-          y -= measure(box(elmt.comment)).height / 1pt + 6
-          draw.content(
-            (x, y),
-            elmt.comment,
-            anchor: "south-west",
-            padding: 3pt
-          )
-        }
-
-        draw.line(
-          (x1, y),
-          (x2, y),
-          ..style
         )
       }
-      y -= Y-SPACE
 
+      draw.line(
+        (x1, y),
+        (x2, y),
+        ..style
+      )
+      y -= Y-SPACE
     } else if elmt.type == "grp" {
       let m = measure(
         box(
@@ -230,8 +200,6 @@
       )
       y -= h / 2
       y -= Y-SPACE
-    } else if elmt.type == "gap" {
-      y -= elmt.size
     }
   }