daiqingshuang 9023922ef7 Refactor widget framework for thread safety and state management ...

- Updated v_stack.h to use threading::main_property for spacing management, ensuring automatic dirty marking on changes.
- Enhanced render_collector.h with threading::thread_bound for thread safety, added documentation for thread usage.
- Modified widget_state.h to include previous_aabb for dirty region calculations.
- Implemented update_previous_aabb method in widget_state_store to track previous AABB for widgets.
- Refactored viewport_cache to utilize threading::main_property for caching and visibility management.
- Updated widget_base.h to use threading::main_property for widget attributes, ensuring thread-safe access.
- Enhanced widget_context.h with threading::property for managing state changes.
- Refactored imager and scrollbar widgets to utilize new property management for state consistency.
- Added comprehensive documentation for thread safety and usage across the widget framework.

2025-12-12 14:04:40 +08:00

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