Add rich content support and interactive decision points to SelectionListNode#96
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Aaronontheweb merged 3 commits intodevfrom Dec 18, 2025
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…ListNode - Add SelectionItemContent class for multi-line, styled selection items - Support ITextSegment (static and animated) in selection item content - Add "Other" option with inline text input for custom user responses - Implement decision points in streaming chat demo with LLM simulation - Fix inline layout positioning with HeightAuto() for dynamic content The SelectionListNode now supports: - Multi-line items with per-line styling - Animated segments (spinners, etc.) within items - "Something else..." option that opens inline text input - Proper coordinate translation via sub-context rendering Demo changes showcase interactive decision points where the LLM presents choices and the user can select or provide custom input.
Add documentation for new features introduced in this branch: - Rich content section with SelectionItemContent examples - Multi-line items with animated segments (spinners) - CompositeTextSegment usage examples - Constructors section in API reference - SelectionItemContent properties and methods tables - Updated SelectionItem properties (Content, LineCount) - Source code details for new classes
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Summary
SelectionItemContentclass for multi-line, styled selection items with support forITextSegment(static and animated)Closes #92
Changes
Core Library (
src/Termina)SelectionItemContent: New class for building rich, multi-line selection item content with styled segmentsCompositeTextSegment: Combines multipleITextSegmentinstances into a single segmentSelectionListNode:Func<T, SelectionItemContent>for rich contentWithOtherOption()method for adding custom input optionOtherSelectedobservable for custom input submissionsSelectionItem: Extended to supportSelectionItemContentand "Other" item typeDemo (
demos/Termina.Demo.Streaming)LlmSimulatorActor: Simulates decision points with choicesStreamingChatPage: Handles decision list display inline between chat history and inputStreamingChatViewModel: Manages decision point state and user responsesTests
SelectionListNode(all passing)SelectionItemContentandCompositeTextSegmentTest plan