diff --git a/d2layouts/d2sequence/sequence_diagram.go b/d2layouts/d2sequence/sequence_diagram.go
index 3659a63b8..394adccc6 100644
--- a/d2layouts/d2sequence/sequence_diagram.go
+++ b/d2layouts/d2sequence/sequence_diagram.go
@@ -646,7 +646,19 @@ func (sd *sequenceDiagram) isActor(obj *d2graph.Object) bool {
func (sd *sequenceDiagram) getWidth() float64 {
// the layout is always placed starting at 0, so the width is just the last actor
lastActor := sd.actors[len(sd.actors)-1]
- return lastActor.TopLeft.X + lastActor.Width
+ rightmost := lastActor.TopLeft.X + lastActor.Width
+
+ for _, m := range sd.messages {
+ for _, p := range m.Route {
+ rightmost = math.Max(rightmost, p.X)
+ }
+ // Self referential messages may have labels that extend further
+ if m.Src == m.Dst {
+ rightmost = math.Max(rightmost, m.Route[1].X+float64(m.LabelDimensions.Width)/2.)
+ }
+ }
+
+ return rightmost
}
func (sd *sequenceDiagram) getHeight() float64 {
diff --git a/e2etests/testdata/txtar/sequence-bounding-box/dagre/board.exp.json b/e2etests/testdata/txtar/sequence-bounding-box/dagre/board.exp.json
new file mode 100644
index 000000000..93cc3aba2
--- /dev/null
+++ b/e2etests/testdata/txtar/sequence-bounding-box/dagre/board.exp.json
@@ -0,0 +1,256 @@
+{
+ "name": "",
+ "isFolderOnly": false,
+ "fontFamily": "SourceSansPro",
+ "shapes": [
+ {
+ "id": "backend",
+ "type": "rectangle",
+ "pos": {
+ "x": 10,
+ "y": 20
+ },
+ "width": 263,
+ "height": 406,
+ "opacity": 1,
+ "strokeDash": 0,
+ "strokeWidth": 2,
+ "borderRadius": 0,
+ "fill": "B4",
+ "stroke": "B1",
+ "shadow": false,
+ "3d": false,
+ "multiple": false,
+ "double-border": false,
+ "tooltip": "",
+ "link": "",
+ "icon": null,
+ "iconPosition": "",
+ "blend": false,
+ "fields": null,
+ "methods": null,
+ "columns": null,
+ "label": "backend",
+ "fontSize": 28,
+ "fontFamily": "DEFAULT",
+ "language": "",
+ "color": "N1",
+ "italic": false,
+ "bold": false,
+ "underline": false,
+ "labelWidth": 98,
+ "labelHeight": 36,
+ "labelPosition": "OUTSIDE_TOP_CENTER",
+ "zIndex": 0,
+ "level": 1
+ },
+ {
+ "id": "backend.client",
+ "type": "sequence_diagram",
+ "pos": {
+ "x": 40,
+ "y": 50
+ },
+ "width": 203,
+ "height": 346,
+ "opacity": 1,
+ "strokeDash": 0,
+ "strokeWidth": 0,
+ "borderRadius": 0,
+ "fill": "N7",
+ "stroke": "B1",
+ "shadow": false,
+ "3d": false,
+ "multiple": false,
+ "double-border": false,
+ "tooltip": "",
+ "link": "",
+ "icon": null,
+ "iconPosition": "",
+ "blend": false,
+ "fields": null,
+ "methods": null,
+ "columns": null,
+ "label": "client",
+ "fontSize": 24,
+ "fontFamily": "DEFAULT",
+ "language": "",
+ "color": "N1",
+ "italic": false,
+ "bold": false,
+ "underline": false,
+ "labelWidth": 55,
+ "labelHeight": 31,
+ "labelPosition": "INSIDE_TOP_CENTER",
+ "zIndex": 0,
+ "level": 2
+ },
+ {
+ "id": "backend.client.client",
+ "type": "rectangle",
+ "pos": {
+ "x": 52,
+ "y": 133
+ },
+ "width": 100,
+ "height": 66,
+ "opacity": 1,
+ "strokeDash": 0,
+ "strokeWidth": 2,
+ "borderRadius": 0,
+ "fill": "B5",
+ "stroke": "B1",
+ "shadow": false,
+ "3d": false,
+ "multiple": false,
+ "double-border": false,
+ "tooltip": "",
+ "link": "",
+ "icon": null,
+ "iconPosition": "",
+ "blend": false,
+ "fields": null,
+ "methods": null,
+ "columns": null,
+ "label": "client",
+ "fontSize": 16,
+ "fontFamily": "DEFAULT",
+ "language": "",
+ "color": "N1",
+ "italic": false,
+ "bold": false,
+ "underline": false,
+ "labelWidth": 38,
+ "labelHeight": 21,
+ "labelPosition": "INSIDE_MIDDLE_CENTER",
+ "zIndex": 0,
+ "level": 3
+ }
+ ],
+ "connections": [
+ {
+ "id": "backend.client.(client -> client)[0]",
+ "src": "backend.client.client",
+ "srcArrow": "none",
+ "dst": "backend.client.client",
+ "dstArrow": "triangle",
+ "opacity": 1,
+ "strokeDash": 0,
+ "strokeWidth": 2,
+ "stroke": "B1",
+ "borderRadius": 10,
+ "label": "BO_ID -> D2_ID",
+ "fontSize": 16,
+ "fontFamily": "DEFAULT",
+ "language": "",
+ "color": "N2",
+ "italic": true,
+ "bold": false,
+ "underline": false,
+ "labelWidth": 99,
+ "labelHeight": 21,
+ "labelPosition": "INSIDE_MIDDLE_CENTER",
+ "labelPercentage": 0,
+ "route": [
+ {
+ "x": 102,
+ "y": 269
+ },
+ {
+ "x": 182,
+ "y": 269
+ },
+ {
+ "x": 182,
+ "y": 314
+ },
+ {
+ "x": 102,
+ "y": 314
+ }
+ ],
+ "animated": false,
+ "tooltip": "",
+ "icon": null,
+ "zIndex": 4
+ },
+ {
+ "id": "(backend.client.client -- )[0]",
+ "src": "backend.client.client",
+ "srcArrow": "none",
+ "dst": "client-lifeline-end-2119091193",
+ "dstArrow": "none",
+ "opacity": 1,
+ "strokeDash": 6,
+ "strokeWidth": 2,
+ "stroke": "B2",
+ "borderRadius": 10,
+ "label": "",
+ "fontSize": 16,
+ "fontFamily": "DEFAULT",
+ "language": "",
+ "color": "N2",
+ "italic": true,
+ "bold": false,
+ "underline": false,
+ "labelWidth": 0,
+ "labelHeight": 0,
+ "labelPosition": "",
+ "labelPercentage": 0,
+ "route": [
+ {
+ "x": 102,
+ "y": 199
+ },
+ {
+ "x": 102,
+ "y": 384
+ }
+ ],
+ "animated": false,
+ "tooltip": "",
+ "icon": null,
+ "zIndex": 1
+ }
+ ],
+ "root": {
+ "id": "",
+ "type": "",
+ "pos": {
+ "x": 0,
+ "y": 0
+ },
+ "width": 0,
+ "height": 0,
+ "opacity": 0,
+ "strokeDash": 0,
+ "strokeWidth": 0,
+ "borderRadius": 0,
+ "fill": "N7",
+ "stroke": "",
+ "shadow": false,
+ "3d": false,
+ "multiple": false,
+ "double-border": false,
+ "tooltip": "",
+ "link": "",
+ "icon": null,
+ "iconPosition": "",
+ "blend": false,
+ "fields": null,
+ "methods": null,
+ "columns": null,
+ "label": "",
+ "fontSize": 0,
+ "fontFamily": "",
+ "language": "",
+ "color": "",
+ "italic": false,
+ "bold": false,
+ "underline": false,
+ "labelWidth": 0,
+ "labelHeight": 0,
+ "zIndex": 0,
+ "level": 0
+ }
+}
diff --git a/e2etests/testdata/txtar/sequence-bounding-box/dagre/sketch.exp.svg b/e2etests/testdata/txtar/sequence-bounding-box/dagre/sketch.exp.svg
new file mode 100644
index 000000000..c86b9a754
--- /dev/null
+++ b/e2etests/testdata/txtar/sequence-bounding-box/dagre/sketch.exp.svg
@@ -0,0 +1,105 @@
+
\ No newline at end of file
diff --git a/e2etests/testdata/txtar/sequence-bounding-box/elk/board.exp.json b/e2etests/testdata/txtar/sequence-bounding-box/elk/board.exp.json
new file mode 100644
index 000000000..11e468f6d
--- /dev/null
+++ b/e2etests/testdata/txtar/sequence-bounding-box/elk/board.exp.json
@@ -0,0 +1,256 @@
+{
+ "name": "",
+ "isFolderOnly": false,
+ "fontFamily": "SourceSansPro",
+ "shapes": [
+ {
+ "id": "backend",
+ "type": "rectangle",
+ "pos": {
+ "x": 12,
+ "y": 12
+ },
+ "width": 304,
+ "height": 446,
+ "opacity": 1,
+ "strokeDash": 0,
+ "strokeWidth": 2,
+ "borderRadius": 0,
+ "fill": "B4",
+ "stroke": "B1",
+ "shadow": false,
+ "3d": false,
+ "multiple": false,
+ "double-border": false,
+ "tooltip": "",
+ "link": "",
+ "icon": null,
+ "iconPosition": "",
+ "blend": false,
+ "fields": null,
+ "methods": null,
+ "columns": null,
+ "label": "backend",
+ "fontSize": 28,
+ "fontFamily": "DEFAULT",
+ "language": "",
+ "color": "N1",
+ "italic": false,
+ "bold": false,
+ "underline": false,
+ "labelWidth": 98,
+ "labelHeight": 36,
+ "labelPosition": "INSIDE_TOP_CENTER",
+ "zIndex": 0,
+ "level": 1
+ },
+ {
+ "id": "backend.client",
+ "type": "sequence_diagram",
+ "pos": {
+ "x": 62,
+ "y": 62
+ },
+ "width": 204,
+ "height": 346,
+ "opacity": 1,
+ "strokeDash": 0,
+ "strokeWidth": 0,
+ "borderRadius": 0,
+ "fill": "N7",
+ "stroke": "B1",
+ "shadow": false,
+ "3d": false,
+ "multiple": false,
+ "double-border": false,
+ "tooltip": "",
+ "link": "",
+ "icon": null,
+ "iconPosition": "",
+ "blend": false,
+ "fields": null,
+ "methods": null,
+ "columns": null,
+ "label": "client",
+ "fontSize": 24,
+ "fontFamily": "DEFAULT",
+ "language": "",
+ "color": "N1",
+ "italic": false,
+ "bold": false,
+ "underline": false,
+ "labelWidth": 55,
+ "labelHeight": 31,
+ "labelPosition": "INSIDE_TOP_CENTER",
+ "zIndex": 0,
+ "level": 2
+ },
+ {
+ "id": "backend.client.client",
+ "type": "rectangle",
+ "pos": {
+ "x": 74,
+ "y": 145
+ },
+ "width": 100,
+ "height": 66,
+ "opacity": 1,
+ "strokeDash": 0,
+ "strokeWidth": 2,
+ "borderRadius": 0,
+ "fill": "B5",
+ "stroke": "B1",
+ "shadow": false,
+ "3d": false,
+ "multiple": false,
+ "double-border": false,
+ "tooltip": "",
+ "link": "",
+ "icon": null,
+ "iconPosition": "",
+ "blend": false,
+ "fields": null,
+ "methods": null,
+ "columns": null,
+ "label": "client",
+ "fontSize": 16,
+ "fontFamily": "DEFAULT",
+ "language": "",
+ "color": "N1",
+ "italic": false,
+ "bold": false,
+ "underline": false,
+ "labelWidth": 38,
+ "labelHeight": 21,
+ "labelPosition": "INSIDE_MIDDLE_CENTER",
+ "zIndex": 0,
+ "level": 3
+ }
+ ],
+ "connections": [
+ {
+ "id": "backend.client.(client -> client)[0]",
+ "src": "backend.client.client",
+ "srcArrow": "none",
+ "dst": "backend.client.client",
+ "dstArrow": "triangle",
+ "opacity": 1,
+ "strokeDash": 0,
+ "strokeWidth": 2,
+ "stroke": "B1",
+ "borderRadius": 10,
+ "label": "BO_ID -> D2_ID",
+ "fontSize": 16,
+ "fontFamily": "DEFAULT",
+ "language": "",
+ "color": "N2",
+ "italic": true,
+ "bold": false,
+ "underline": false,
+ "labelWidth": 99,
+ "labelHeight": 21,
+ "labelPosition": "INSIDE_MIDDLE_CENTER",
+ "labelPercentage": 0,
+ "route": [
+ {
+ "x": 124,
+ "y": 281
+ },
+ {
+ "x": 204,
+ "y": 281
+ },
+ {
+ "x": 204,
+ "y": 326
+ },
+ {
+ "x": 124,
+ "y": 326
+ }
+ ],
+ "animated": false,
+ "tooltip": "",
+ "icon": null,
+ "zIndex": 4
+ },
+ {
+ "id": "(backend.client.client -- )[0]",
+ "src": "backend.client.client",
+ "srcArrow": "none",
+ "dst": "client-lifeline-end-2119091193",
+ "dstArrow": "none",
+ "opacity": 1,
+ "strokeDash": 6,
+ "strokeWidth": 2,
+ "stroke": "B2",
+ "borderRadius": 10,
+ "label": "",
+ "fontSize": 16,
+ "fontFamily": "DEFAULT",
+ "language": "",
+ "color": "N2",
+ "italic": true,
+ "bold": false,
+ "underline": false,
+ "labelWidth": 0,
+ "labelHeight": 0,
+ "labelPosition": "",
+ "labelPercentage": 0,
+ "route": [
+ {
+ "x": 124,
+ "y": 211
+ },
+ {
+ "x": 124,
+ "y": 396
+ }
+ ],
+ "animated": false,
+ "tooltip": "",
+ "icon": null,
+ "zIndex": 1
+ }
+ ],
+ "root": {
+ "id": "",
+ "type": "",
+ "pos": {
+ "x": 0,
+ "y": 0
+ },
+ "width": 0,
+ "height": 0,
+ "opacity": 0,
+ "strokeDash": 0,
+ "strokeWidth": 0,
+ "borderRadius": 0,
+ "fill": "N7",
+ "stroke": "",
+ "shadow": false,
+ "3d": false,
+ "multiple": false,
+ "double-border": false,
+ "tooltip": "",
+ "link": "",
+ "icon": null,
+ "iconPosition": "",
+ "blend": false,
+ "fields": null,
+ "methods": null,
+ "columns": null,
+ "label": "",
+ "fontSize": 0,
+ "fontFamily": "",
+ "language": "",
+ "color": "",
+ "italic": false,
+ "bold": false,
+ "underline": false,
+ "labelWidth": 0,
+ "labelHeight": 0,
+ "zIndex": 0,
+ "level": 0
+ }
+}
diff --git a/e2etests/testdata/txtar/sequence-bounding-box/elk/sketch.exp.svg b/e2etests/testdata/txtar/sequence-bounding-box/elk/sketch.exp.svg
new file mode 100644
index 000000000..a8793aa97
--- /dev/null
+++ b/e2etests/testdata/txtar/sequence-bounding-box/elk/sketch.exp.svg
@@ -0,0 +1,105 @@
+backendclientclient BO_ID -> D2_ID
+
+
+
+
+
+
\ No newline at end of file
diff --git a/e2etests/txtar.txt b/e2etests/txtar.txt
index 7019b2258..cea8672ef 100644
--- a/e2etests/txtar.txt
+++ b/e2etests/txtar.txt
@@ -313,3 +313,9 @@ x -> x: self referential long description which is\nmultirow\n3 rows
x -> x: self referential long description which is\nmultirow
x -> y: normal
y -> y: self referential long description which is\nmultirow\n3 rows
+
+-- sequence-bounding-box --
+backend.client: {
+ shape: sequence_diagram
+ client -> client: BO_ID -> D2_ID
+}