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PyLine - Feature Ideas and Wishlist

This document collects potential features and ideas for future PyLine development.
Items here are not guaranteed to be implemented, but serve as a planning resource.

Feature Ideas

Implemented

  • Advanced Text Input in Edit Mode [IMPLEMENTED]

    • Smarter handling of tabs and indentation when editing lines
    • Automatically insert spaces instead of tab characters, using 4 spaces for .py files, 2 for C/C++ files, or a custom value from config
    • Make tab width and behavior fully configurable per filetype
    • Ensure editing "feels" natural and seamless for the user, regardless of underlying tab/space logic
    • Smart indentation with language-specific rules for Python, C/C++, Java, Shell, JavaScript, Perl, HTML/XML

  • Theme Config [IMPLEMENTED]

    • Support for user-editable theme files (JSON)
    • Allow changing syntax colors, UI colors
    • Load theme at startup or switch at runtime
    • Built-in theme manager with create/edit/delete functionality

  • Hooks/Scripts (Multi-language Support) [IMPLEMENTED]

    • Allow user-defined scripts to be run on editor events (e.g., on_save, on_open, pre_load, post_save)
    • Support for Python 3, JavaScript, Perl 5, Ruby, Lua, PHP, Shell scripts
    • Specify hook directories (~/.pyline/hooks/) with organized structure
    • Pass file/buffer/context info to scripts via JSON stdin
    • Priority-based execution system (90 → 10)
    • Runtime enable/disable without restart

  • Predone Themes [PARTIALLY IMPLEMENTED]

    • Ship with several built-in themes (black-on-white, white-on-black)
    • Let users choose/browse built-in themes
    • Document how to create and contribute new themes
    • Bg/fg iare still from terminal theme setting(WIP)

  • Custom Commands [PARTIALLY IMPLEMENTED]

    • Users can define new commands/mappings in a config file [PLANNED]
    • Support macros (record/replay sequences of actions) [PLANNED]
    • Optionally allow custom commands to invoke hooks/scripts [PLANNED]
    • Extensive built-in keyboard shortcuts and commands [IMPLEMENTED]

  • Advanced Search and Navigation [PARTIALLY IMPLEMENTED]

    • Basic search and incremental search implemented [IMPLEMENTED]
    • Literal search and replace with whole-word option
    • Regex search with capture groups and replacements [PLANNED]
    • Block selection across multiple lines [IMPLEMENTED]

Planned

  • Extended Hook Language Support [PLANNED]

    • Add Rust script support for hooks
    • Evaluate Cython support for performance-critical operations [MAYBE]
    • Maintain backward compatibility with existing hook system

  • User-Definable Keybindings [PLANNED]

    • Allow users to customize keyboard shortcuts via config file
    • Support for command aliases and custom shortcuts
    • Maintain default keybindings as fallback

  • Performance Enhancements [PLANNED]

    • Large file optimization for better handling of big files
    • Async operations for non-blocking file operations
    • Memory efficiency improvements

  • Integration Features [PLANNED]

    • Version control integration (Git status, commit hooks)
    • External tool integration (linters, formatters, compilers)
    • Session management with save/restore functionality

Technical Notes

Rust Hook Support

  • Would extend existing LanguageHookExecutor to support .rs files
  • Use rust-script for interpretation or cargo run for compiled hooks
  • Maintain same JSON context passing as other languages

Cython Support Evaluation

  • Pros: Significant performance benefits for CPU-intensive hooks
  • Cons: Adds compilation dependency, more complex deployment
  • Recommendation: Consider as optional advanced feature for far future

User Commands Implementation

  • Extend config.json with user_commands section
  • Support for custom keybindings and macro definitions
  • Backward compatibility with existing command system

Based on current PyLine 1.0 implementation status