Application Defaults

Window defaults, transparency mode, and size policy.

ApplicationDefaults::DEFAULT: title "Incular", 800×600, Viewport policy, resizable/visible/decorated, Opaque, black background, scale 1.0, Light, Ltr.

TransparencyMode: Opaque (default) / Transparent — native compositing participation (is_transparent()). WindowSizePolicy: Viewport (default, native metrics own logical size) / Content (measured content owns it; transient overflow never grows the top-level).

Related: Application, MediaQuery.

FractionalOffset

Unit-box fractional offsets and fractional translation.

Size

Finite non-negative 2D extent with constructors.