ui · thing ·

yuiCompositionEvent

A yui composition event record carrying phase, rangeStart, rangeEnd, value, source.

cpumethodsource-examplethinguiyeho

Build YUI's reusable control, layout, interaction, text, accessibility, and retained-rendering models.

external thing yuiCompositionEvent

Status: source-declared

Fields and methods (7)
text phase
Stores phase as text.
int rangeStart
Stores range start as int.
int rangeEnd
Stores range end as int.
text value
Stores value as text.
text source
Stores source as text.
yuiCompositionEvent(text phase, int rangeStart, int rangeEnd, text value, text source)
Yui composition event.
ValidationIssue() returns text
Validation issue. Complete example

Use yuiCompositionEvent

A complete small caller. Values are illustrative; check the returned result and package requirements before connecting live resources.

cpu · source-example · type checked

using ui

// Build YUI's reusable control, layout, interaction, text, accessibility, and retained-rendering models.
yuiCompositionEvent sample = yuiCompositionEvent("phase", 1, 1, "value", "example")
Console.Log(Text.From(sample.phase))
project.mech
manifestVersion = "2"
package = "api.example.ui__yuicompositionevent"
version = "0.1.0"
languageEdition = "yeho-core-2026.1"

[app]
kind = "headless"

[[dependencies]]
package = "graphics.image"
version = "0.1.0"
path = "../../../yeho/packages/graphics/image"

[[dependencies]]
package = "graphics.text"
version = "0.1.0"
path = "../../../yeho/packages/graphics/text"

[[dependencies]]
package = "host.ui_services"
version = "0.1.0"
path = "../../../yeho/packages/host/ui_services"

[[dependencies]]
package = "ui"
version = "0.2.0"
path = "../../../yeho/packages/ui"

yuiCompositionEvent.ValidationIssue

A complete caller for this public method. Sample inputs are illustrative; native resources require their owning lifecycle.

cpu · method · source-example · type checked

using ui

// Validation issue.
yuiCompositionEvent instance = yuiCompositionEvent("phase", 1, 1, "value", "example")
text result = instance.ValidationIssue()
Console.Log(Text.From(result))
project.mech
manifestVersion = "2"
package = "api.example.ui__yuicompositionevent"
version = "0.1.0"
languageEdition = "yeho-core-2026.1"

[app]
kind = "headless"

[[dependencies]]
package = "graphics.image"
version = "0.1.0"
path = "../../../yeho/packages/graphics/image"

[[dependencies]]
package = "graphics.text"
version = "0.1.0"
path = "../../../yeho/packages/graphics/text"

[[dependencies]]
package = "host.ui_services"
version = "0.1.0"
path = "../../../yeho/packages/host/ui_services"

[[dependencies]]
package = "ui"
version = "0.2.0"
path = "../../../yeho/packages/ui"
Notes and source

Package presence and a declaration do not establish support on every host. Host services need their platform and lifecycle setup.

yeho/packages/ui/text-definitions.yh:172