Crate bern_runtime 

UI session runtime shared by every target.

A UI session owns window instances and the typed session drafts each window carries. It validates every write against the declared schema and gives each window instance a generation, so a reference to a closed window is rejected instead of writing into a newer instance. It also runs the close protocol: a close request either closes the window or yields a confirmation bound to the window’s generation and draft revision, so a decision made before later edits cannot discard them. It contains no UI SDK code: targets report window facts and forward control input.

Modules

query

Asynchronous query resources and clocks for scenarios.

Structs

Confirmation

A close request that needs a decision. It names the window generation and the draft revision it was made for.

Frame

Outer frame in points. The origin is the top-left corner of the main display and y grows downwards.

SessionSpec

Static description of the session layer, generated by the build.

SessionType

One declared session state type.

Sessions

Live UI sessions that external entries may address by session_id.

UiSession

Window instances and drafts of one UI session.

WindowFacts

What the platform shows for one window instance.

WindowInfo

window.list entry for one open instance.

WindowInstance

WindowKind

One declared window kind.

Enums

CloseDecision

A typed decision on a pending close confirmation.

CloseStep

What a close request leads to.

DecisionStep

What the target does after an accepted decision.

FactSource

Who caused the latest change of a window’s facts.

Lifecycle

Lifecycle of an open window instance.

Presentation

How a window kind is presented by the target.

SizeState

Visibility

Where the window is, as the platform reports it.

WindowAction

Window actions; WindowFacts::actions lists those available now.

Traits

SessionHandler

Executes framework session commands for one live UI session. Targets implement it so external entries reach the real control bindings.