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Changelog

All notable changes to the Cycles project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[0.6.0] - 2025-11-17

Added

  • Persistent Settings System (settings.go):
    • Settings automatically save and load using Fyne preferences
    • Theme preference (Auto, Light, Dark)
    • Grid columns, history size, update interval
    • Logical/physical cores preference
  • Settings UI Dialog (settingsui.go):
    • Comprehensive settings dialog with sliders and controls
    • Theme selector dropdown
    • Grid columns slider (1-16)
    • History size slider (10-100)
    • Update interval input
    • Logical cores checkbox
    • Reset to defaults button with confirmation
  • Enhanced Theme System (theme.go):
    • Dynamic theme switching without restart
    • Custom theme implementation
    • ApplyTheme() function for programmatic theme changes
    • isDarkTheme() helper function
  • Improved Menu System (update main.go):
    • File menu with "Preferences..." option
    • View menu with "Toggle Theme" quick action
    • Reorganized menu structure (File | View | Help)
    • Settings accessible via File → Preferences
  • Command-line Flag Priority:
    • Command-line flags now override saved settings
    • Seamless integration between CLI and persistent settings

Changed

  • Application now loads saved preferences on startup
  • Theme applies immediately on selection
  • Settings persist across application restarts
  • Menu structure reorganized for better UX

Technical Improvements

  • Settings stored using Fyne's preferences API
  • Platform-independent settings storage
  • Type-safe settings management
  • Comprehensive settings validation
  • Unit tests for settings functionality

Fixed

  • Theme switching now works reliably
  • Settings apply correctly on save

[0.5.0] - 2025-11-17

Added

  • Memory Monitoring Tab: New dedicated tab for system memory monitoring
    • Real-time memory usage display (Total, Used, Free, Cached)
    • Memory usage percentage with historical graph
    • Automatic history tracking
  • Tabbed Interface: Switched from single-view to tabbed layout
    • CPU tab: Existing CPU core monitoring
    • Memory tab: New memory monitoring view
  • Memory Tile Component (memorytile.go):
    • Displays comprehensive memory statistics
    • Shows usage graph over time
    • Formatted memory sizes (GB/MB)
  • Enhanced System Information (sysinfo.go):
    • GetMemoryInfoDetailed(): Reads detailed memory info from /proc/meminfo
    • UpdateMemoryInfo(): Updates memory tiles with current data
    • Tracks MemTotal, MemFree, MemAvailable, Cached, and Buffers
  • Memory Utility Functions:
    • formatMemorySize(): Human-readable memory sizes
    • formatMemoryPercent(): Formatted percentage display
  • Unit Tests (memorytile_test.go):
    • Tests for memory tile creation
    • Tests for memory formatting functions
    • Validation of component initialization

Changed

  • Main window now uses tabbed layout instead of single grid
  • CPU tiles renamed to cpuTiles for clarity
  • Separate update goroutines for CPU and Memory monitoring
  • Window adapts to tabbed content structure

Technical Improvements

  • Modular memory monitoring component following existing tile pattern
  • Independent update loops for different metric types
  • Reuses existing graph rendering infrastructure
  • Follows established code organization patterns

[0.4.1] - 2025-10-15

Changed

  • Updated version number consistently across all project files

[0.4.0] - 2025-10-14

Added

  • Command-line flags for customization:
    • --columns: Configure number of columns in grid layout (default: 4)
    • --interval: Set update interval (default: 2s)
    • --history: Configure number of historical data points (default: 30)
    • --logical: Toggle between logical and physical cores (default: true)
  • Unit tests for core functionality
  • Proper error handling and logging throughout the application
  • Configuration system for managing application settings

Changed

  • Refactored codebase into multiple files for better organization:
    • config.go: Configuration management
    • theme.go: Theme and color management
    • tile.go: CoreTile structure and methods
    • sysinfo.go: System information retrieval
    • graphics.go: Graph rendering utilities
    • main.go: Application orchestration
  • Improved error messages with proper logging
  • Updated version number from 0.3.4 to 0.4.0
  • Enhanced code documentation and comments
  • Updated README with comprehensive setup instructions

Fixed

  • Improved theme detection logic for graph colors
  • Better error handling for icon loading
  • More robust CPU frequency reading

Technical Improvements

  • Separated concerns for better code maintainability
  • Added test coverage for formatting functions and utilities
  • Cleaner main function with configuration-driven behavior
  • Removed unused code and comments

[0.3.4] - Previous Version

Features

  • Basic CPU monitoring for each core
  • Real-time utilization graphs
  • Frequency display for each core
  • Fixed 4-column grid layout
  • 2-second update interval