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Change modeline filename and cursor colors to indicate buffer
modification status, not just read-only/overwrite state.
Color scheme changes:
- White (#ffffff): Unmodified writeable buffer
- Green (#64aa0f): Modified writeable buffer (unsaved changes)
- Red (#f06a3f): Read-only buffer
- Gold (#c48702): Overwrite mode active
Previously: All writeable buffers were green regardless of modification
Now: White when clean, green when dirty (better visual feedback)
Implementation:
- Updated cj/buffer-status-colors in user-constants.el:
- Changed 'normal' → 'unmodified' (white)
- Added new 'modified' state (green)
- Updated state detection in modeline-config.el:
- Now checks (buffer-modified-p) before defaulting to unmodified
- Updated cursor color logic in ui-config.el:
- Same state detection as modeline for consistency
- Added after-change-functions hook for real-time updates
- Added after-save-hook to update on save
Priority order (highest to lowest):
1. Read-only (red) - takes precedence over everything
2. Overwrite mode (gold) - takes precedence over modified state
3. Modified (green) - buffer has unsaved changes
4. Unmodified (white) - default for clean writeable buffers
Tests:
- 18 comprehensive tests in test-ui-buffer-status-colors.el
- Tests state detection logic and priority order
- Tests color constant definitions and mappings
- Tests integration with cursor and modeline
- All tests passing
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
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