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Improve Spright chat message sizing for wide content #3038

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d63861e
max-width on host, don't need calc, need align self
jattasNI Aug 20, 2026
befca29
max-width on .message-content
jattasNI Aug 20, 2026
1cccb87
Change files
jattasNI Aug 20, 2026
eef2bc9
Merge branch 'main' into chat-message-sizing
jattasNI Aug 26, 2026
1c297fa
Container width grows with message
jattasNI Aug 26, 2026
ddb4e07
Revert changes to deprecated message
jattasNI Aug 26, 2026
7fbd9c7
inbound max width 100%
jattasNI Aug 26, 2026
f564c06
Make message longer to keep test cases working
jattasNI Aug 26, 2026
bb0523b
Merge branch 'main' into chat-message-sizing
jattasNI Aug 26, 2026
129bb26
Fix positioning in message matrix story
jattasNI Aug 26, 2026
9d71f81
Merge branch 'main' into chat-message-sizing
jattasNI Aug 26, 2026
b160e25
Merge branch 'main' into chat-message-sizing
rajsite Aug 27, 2026
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7 changes: 7 additions & 0 deletions change/@ni-spright-components-53dfedf2-8550-49e2-816e-5988e14affad.json
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Original file line number Diff line number Diff line change
@@ -0,0 +1,7 @@
{
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@rajsite rajsite Aug 27, 2026

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The message scrollbars in Windows Chrome clip the border of messages a bit (went in devtools and removed the outline that the story itself adds for the screenshot):

Image

@jattasNI jattasNI Aug 28, 2026

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I'm not sure what to do here and I'm open to inputs from regular Windows users about what would feel natural. On mac the overlay scrollbars tend to be translucent and not permanently visible so I'm not sure what typical conventions are for cases like this.

Some options:

  1. do nothing because, at the moment, outbound messages are the only ones with a border/background and all clients currently only populate them with text content which wraps rather than overflows
  2. inset the scrollbar something like in the screenshot below. I achieved this by moving the border/background rendering to the outer container, keeping the scrollbar on the inner content, and adding padding between them.
  3. other ideas?
image

"type": "patch",
"comment": "Chat message sizing is more client configurable",
"packageName": "@ni/spright-components",
"email": "jattasNI@users.noreply.github.com",
"dependentChangeType": "patch"
}
4 changes: 3 additions & 1 deletion packages/spright-components/src/chat/message/inbound/styles.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -20,9 +20,11 @@ export const styles = css`
:host {
min-width: ${standardPadding};
min-height: ${standardPadding};
max-width: 90%;

flex-direction: row;
justify-content: flex-start;
align-self: flex-start;
flex-shrink: 0;
font: ${bodyFont};
color: ${bodyFontColor};
Expand All @@ -31,7 +33,6 @@ export const styles = css`
.container {
display: flex;
flex-direction: column;
max-width: calc(90%);
}

[part='start'] {
Expand All @@ -41,6 +42,7 @@ export const styles = css`
.message-content {
width: fit-content;
height: fit-content;
max-width: 100%;
overflow-x: auto;
}

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4 changes: 3 additions & 1 deletion packages/spright-components/src/chat/message/outbound/styles.ts
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Expand Up @@ -17,9 +17,11 @@ export const styles = css`
:host {
min-width: ${standardPadding};
min-height: ${standardPadding};
max-width: 90%;

flex-direction: row;
justify-content: flex-end;
align-self: flex-end;
flex-shrink: 0;
font: ${bodyFont};
color: ${bodyFontColor};
Expand All @@ -28,12 +30,12 @@ export const styles = css`
.container {
display: flex;
flex-direction: column;
max-width: calc(90%);
}

.message-content {
width: fit-content;
height: fit-content;
max-width: 100%;
overflow-x: auto;
}

Expand Down
5 changes: 4 additions & 1 deletion packages/spright-components/src/chat/message/styles.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@ export const styles = css`
:host {
Comment thread
jattasNI marked this conversation as resolved.
min-width: ${standardPadding};
min-height: ${standardPadding};
max-width: 90%;

flex-direction: row;
justify-content: center;
Expand All @@ -34,16 +35,17 @@ export const styles = css`

:host([message-type='${ChatMessageType.outbound}']) {
justify-content: flex-end;
align-self: flex-end;
}

:host([message-type='${ChatMessageType.inbound}']) {
justify-content: flex-start;
align-self: flex-start;
}

.container {
display: flex;
flex-direction: column;
max-width: calc(90%);
}

[part='start'] {
Expand All @@ -53,6 +55,7 @@ export const styles = css`
.message-content {
width: fit-content;
height: fit-content;
max-width: 100%;
overflow-x: auto;
}

Expand Down
4 changes: 3 additions & 1 deletion packages/spright-components/src/chat/message/system/styles.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -13,9 +13,11 @@ export const styles = css`
:host {
min-width: ${standardPadding};
min-height: ${standardPadding};
max-width: 90%;

flex-direction: row;
justify-content: center;
align-self: center;
flex-shrink: 0;
font: ${bodyFont};
color: ${bodyFontColor};
Expand All @@ -24,12 +26,12 @@ export const styles = css`
.container {
display: flex;
flex-direction: column;
max-width: calc(90%);
}

.message-content {
width: fit-content;
height: fit-content;
max-width: 100%;
overflow-x: auto;
}
`;
4 changes: 3 additions & 1 deletion packages/spright-components/src/chat/message/welcome/styles.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -18,10 +18,12 @@ export const styles = css`
:host {
min-width: ${standardPadding};
min-height: ${standardPadding};
max-width: 90%;

flex: 1;
flex-direction: row;
justify-content: center;
align-self: center;
align-items: center;
font: ${bodyFont};
color: ${bodyFontColor};
Expand All @@ -31,7 +33,6 @@ export const styles = css`
display: flex;
flex-direction: column;
align-items: center;
max-width: calc(90%);
gap: ${mediumPadding};
}

Expand Down Expand Up @@ -65,6 +66,7 @@ export const styles = css`
align-items: center;
width: fit-content;
height: fit-content;
max-width: 100%;
overflow-x: auto;
gap: ${mediumPadding};
}
Expand Down