canvas (Absolute Layout)

Places child controls at exact, absolute point coordinates (x, y), bypassing sequential flow constraints entirely. Useful for floating overlays, popups, and fixed HUD elements.

Example Usage

type: canvas
width: 80
height: 24
inner:
  - type: border
    x: 10
    y: 5
    width: 60
    height: 14
    text: Modal Dialog

Intrinsic Properties

• padding: Margin (inner padding space).
• bg: Color (background color fill).
• inner: array | object (nested child controls).

Parent-Dependent Child Layout Properties

• x: Measure (discrete horizontal cell coordinate relative to parent inner box).
• y: Measure (discrete vertical cell coordinate relative to parent inner box).
• width / height: Size (explicit sizing bounds for child).

Supported Events

• Keyboard Input: onKeyPreview, onKey, onKeyBubble
• Focus Lifecycle: onFocus, onBlur
• Control Lifecycle: onMeasure, onLayout, onRender