Fix chat title overflow with ellipsis in agent sessions #283267
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Co-authored-by: bpasero <900690+bpasero@users.noreply.github.com>
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[WIP] Fix agent session title overflow issue with ellipsis
Fix chat title overflow with ellipsis in agent sessions
Dec 13, 2025
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@copilot I do not see a "..." with this change. |
Co-authored-by: bpasero <900690+bpasero@users.noreply.github.com>
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I've updated the fix to address the full nesting chain. The issue was that the toolbar contains a monaco-action-bar with nested flex containers, and each level needed proper overflow handling. Added flex properties to enable ellipsis through the entire hierarchy (commit 300db49). |
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Chat session titles overflow without ellipsis when they exceed available space next to the side-by-side icon.
Changes
Updated
chatViewTitleControl.cssto enable proper ellipsis behavior through the nested DOM structure:.chat-view-title-navigation-toolbar: Addedmin-width: 0andflex: 1to allow the toolbar to shrink and use available space in the flex layout.monaco-action-bar .actions-container: Addedoverflow: hiddento enable overflow propagation through the action bar container.monaco-action-bar .action-item: Addedoverflow: hiddenandmin-width: 0to allow the action item to shrink below its content sizeThe chat title is rendered within a nested structure (toolbar → action bar → actions container → action item → label). For the
text-overflow: ellipsisto work on the label, each parent container in the chain needs proper overflow handling and the ability to shrink in the flex layout. These CSS properties ensure the ellipsis activates correctly when titles exceed available space.Original prompt
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