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GPUI Migration Status

Date: 2025-12-03
Status: ✅ Core compilation successful - Ready for UI refinement and gpui-component alignment

✅ Completed

Phase 1: Stabilization

  • Disabled legacy component system: Temporarily disabled the old ReusableComponent trait system that was causing 68+ compilation errors
  • Fixed async mutex usage: Corrected search_service.rs to properly await tokio::sync::Mutex::lock()
  • Fixed type inference: Added explicit type annotation in input_validation.rs for sanitized variable
  • Binary builds successfully: cargo build -p terraphim_desktop_gpui --bin terraphim-gpui completes with only warnings

Current Architecture

  • GPUI views: Search, Chat, Editor views are implemented using GPUI patterns
  • State management: state::search::SearchState handles search and autocomplete logic
  • Event system: GPUI event emitters for AddToContextEvent, OpenArticleEvent
  • Component usage: Views already use gpui-component primitives:
    • gpui_component::input::{Input, InputState, InputEvent}
    • gpui_component::button::{Button, IconName}
    • gpui_component::StyledExt for styling

📋 Next Steps

Phase 2: GPUI-Component Alignment

2.1 Theme System Integration

  • Review gpui-component theme patterns from https://longbridge.github.io/gpui-component/
  • Replace hardcoded rgb() values with theme tokens
  • Implement theme switcher using gpui-component theme system
  • Map existing 22 Bulma themes to gpui-component theme variants

2.2 Component Standardization

  • Audit all views for consistent use of gpui-component primitives
  • Replace any remaining raw div() styling with gpui-component patterns
  • Ensure all buttons use Button::new() with proper variants (primary, outline, ghost)
  • Standardize input components to use Input from gpui-component

2.3 Layout and Navigation

  • Review gpui-component layout patterns (Surface, NavBar, etc.)
  • Refactor app.rs navigation to use gpui-component layout primitives
  • Ensure consistent spacing and padding using gpui-component utilities

Phase 3: Feature Completion

3.1 Search Features

  • Search input with autocomplete ✅
  • Search results display ✅
  • "Add to Context" button ✅
  • Term chips UI (visual query parsing)
  • Query operator visualization (AND/OR/NOT)

3.2 Chat Features

  • Chat view structure ✅
  • Context management ✅
  • KG search modal ✅
  • Message streaming UI polish
  • Virtual scrolling optimization

3.3 Knowledge Graph

  • KG search modal ✅
  • Graph visualization (D3.js equivalent in GPUI)
  • Interactive node selection

Phase 4: Performance & Polish

4.1 Performance

  • Add benchmarks for search latency
  • Optimize autocomplete debouncing
  • Profile virtual scrolling with large datasets
  • Memory usage optimization

4.2 WASM Compatibility

  • Replace chrono with jiff for timestamps (shared types)
  • Ensure all shared models are WASM-compatible
  • Test critical paths in WASM target

🔍 Current Code Quality

Strengths

  • ✅ Clean separation: Views use state entities, not direct service calls
  • ✅ Event-driven: Proper GPUI event emitters for cross-view communication
  • ✅ Component usage: Already leveraging gpui-component Button and Input
  • ✅ Async patterns: Proper tokio runtime integration

Areas for Improvement

  • ⚠️ Hardcoded colors: Many rgb(0x...) values should use theme tokens
  • ⚠️ Inconsistent styling: Mix of direct styling and component patterns
  • ⚠️ Missing theme system: No centralized theme management yet
  • ⚠️ Legacy code: Old component system still in codebase (disabled but present)

📁 Key Files

Working Views

  • src/views/search/mod.rs - Main search view
  • src/views/search/input.rs - Search input with autocomplete
  • src/views/search/results.rs - Results display with actions
  • src/views/chat/mod.rs - Chat view with context management
  • src/views/chat/kg_search_modal.rs - KG search modal

State Management

  • src/state/search.rs - Search and autocomplete state
  • src/search_service.rs - Backend search integration

App Structure

  • src/app.rs - Main app with navigation
  • src/main.rs - Entry point with tokio runtime

🎯 Success Criteria

Minimal Viable Demo

  • App launches without crashes ✅
  • Role selector works ✅
  • Search input accepts queries ✅
  • Autocomplete dropdown appears ✅
  • Search executes and shows results ✅
  • "Add to Context" button works ✅
  • Navigation to Chat view works ✅
  • Context items appear in chat ✅

Production Ready

  • All views use gpui-component theme system
  • Consistent styling across all components
  • Performance benchmarks meet targets (<50ms autocomplete, <200ms search)
  • WASM compatibility verified
  • Comprehensive test coverage

🚀 Quick Start

# Build the GPUI app
cargo build -p terraphim_desktop_gpui --bin terraphim-gpui

# Run the app
cargo run -p terraphim_desktop_gpui --bin terraphim-gpui

# Check for compilation issues
cargo check -p terraphim_desktop_gpui

📚 References