feat: Add UIModule interactive showcase demo
Complete interactive application demonstrating all UIModule features:
Features:
- All 9 widget types (Button, Slider, TextInput, Checkbox, ProgressBar, Label, Panel, ScrollPanel, Image)
- Live event console showing all UI events in real-time
- Event statistics tracking (clicks, actions, value changes, hovers)
- Hot-reload support (press 'R' to reload UI from JSON)
- Mouse interaction (click, hover, drag, wheel)
- Keyboard input (text fields, shortcuts)
- Tooltips on all widgets with smart positioning
- Nested scrollable panels
- Graceful degradation (handles renderer failure in WSL/headless)
Files:
- tests/demo/demo_ui_showcase.cpp (370 lines) - Main demo application
- assets/ui/demo_showcase.json (1100+ lines) - Complete UI layout
- docs/UI_MODULE_DEMO.md - Full documentation
- tests/CMakeLists.txt - Build system integration
Use cases:
- Learning UIModule API and patterns
- Visual regression testing
- Integration example for new projects
- Showcase of GroveEngine capabilities
- Hot-reload workflow demonstration
Run:
cmake --build build-bgfx --target demo_ui_showcase -j4
cd build-bgfx/tests && ./demo_ui_showcase
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
StillHammer
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