v0.4.1

✨ New Features

🪟 Windows

• Mouse wheel support added.

• Minimize / Maximize window support (Fixes #17, #18).

• Improved popup widget handling:

  • Direct form reference for popups.
  • Safer redraw handling (null checks, no parent_window dependency).
  • Proper popup lifecycle management (Configure, Render, focus handling).
  • Close popup on focus loss.
  • Multiple nil-safety improvements (Fixes #21).

🍎 macOS (Darwin)

• Popup window support added and stabilized.

• Keyboard support implemented:

  • Key down/up + modifier tracking.
  • NSEvent monitoring with proper cleanup.

• Mouse wheel support via NSEvent scroll monitoring:

  • Handles vertical & horizontal deltas.
  • Supports precise scrolling deltas.
  • Proper coordinate conversion and popup routing.
  • Cleanup of event monitors on window destruction.

• Fix: first Cairo surface retrieval for popup.

• Prevent main window scrolling in certain wheel cases.

🐧 Linux (Wayland)

Major window decoration and resize improvements:

• Frame callback synchronization to eliminate flicker during resize.

• Smooth interactive resize handling.

• Shadow surface resize detection (edges & corners).

• Proper XDG resize edge handling.

• Resize cursor updates on borders & corners.

• Improved pointer surface tracking and cursor logic.

• Titlebar rendering improvements:

  • Better font fallback handling across distros.
  • Proper button layering.
  • Intelligent title truncation with ellipsis.
  • Fixed SetTitle not assigning title correctly.
  • Improved color and positioning logic.

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🛠 Improvements

• Optimized Windows cursor handling.
• Multiple cursor fixes on Windows (Fixes #19).
• Bumped winc dependency to latest release (mouse wheel support).
• Improved popup null safety across platforms.
• Refactored resize logic to avoid destroy/recreate patterns.
• Removed old frame code (cleanup/refactor).
• Code formatted with gofmt -s and goimports.

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🔒 Maintenance

• Govulncheck version bumps.
• General cleanup and stabilization across macOS, Windows, and Linux backends.

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🎯 Overall Impact

This release significantly improves:

• Cross-platform input handling (mouse wheel + keyboard on macOS).
• Popup stability and rendering correctness.
• Wayland resize smoothness (major flicker fix).
• Windows feature completeness (min/max, cursor polish).
• General robustness and null safety.

The project moves closer to feature parity across Windows, macOS, and Linux with notably improved input and window management behavior.