Keith Smith 83a6a1ee8e Add zone resizing to graphical editor ...

Implemented comprehensive zone resizing functionality in the zone editor:

Features:
- Detects when mouse is near zone edges/corners (10px threshold)
- Supports all 8 resize handles: N, S, E, W, NE, NW, SE, SW
- Visual feedback with cyan highlight during resize
- Real-time dimension label updates while resizing
- Enforces minimum zone size (20x20 pixels)
- Constrains resizing to monitor boundaries
- Maintains zone data structure integrity during resize

Implementation details:
- Added state tracking: isResizingZone, resizingZoneIndex, resizeEdge, originalZoneBounds
- New method _findResizeEdge() for edge/corner detection
- Enhanced _onButtonPress() to prioritize resize over move
- Extended _onMotion() with resize delta calculations for all 8 directions
- Updated instruction label to include resize guidance
- Updated TODO.md to mark item #17 as completed

The zone editor now supports create, move, and resize operations with
clear visual feedback for each mode (green=normal, yellow=moving, cyan=resizing).

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

2026-01-15 21:28:25 -07:00

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