CmdWindowState

Applies and queries window state/properties in a single command.

Groups:

• title
• window state (minimized, maximized, windowed, fullscreen, windowed-fullscreen)
• icon by bufferId
• decorations / resizable
• focus and attention actions
• querying state / decorations / resizable

Platform Notes

• Desktop: full patch + get support.
• WASM: partial support:
  • mutations (title, state, decorations, resizable, action, iconBufferId) are not supported;
  • supported getters: getState and getResizable;
  • getDecorations returns None (not applicable to canvas).

Arguments

Field	Type	Description
windowId	u32	Window ID
title	Option	New title (optional)
state	Option	New window state (optional)
iconBufferId	Option	Image buffer for icon (optional)
decorations	Option	Enable/disable decorations (optional)
resizable	Option	Enable/disable resize (optional)
action	Option	Optional action: focus, request-attention
attentionType	Option	Type for request-attention: critical, informational
getState	bool	Includes state in response
getDecorations	bool	Includes decorations in response
getResizable	bool	Includes resizable in response

Response

Returns CmdResultWindowState:

Field	Type	Description
success	bool	Whether command was applied successfully
message	String	Status or error
state	Option	Current/updated state when requested
decorations	Option	Current/updated value when requested
resizable	Option	Current/updated value when requested

Notes

• Patch fields are optional: send only what you want to change.
• iconBufferId consumes the upload (one-shot) and requires uploadType = \"image-data\".
• fullscreen requires exclusive mode; if unavailable, the command returns success=false and the core emits SystemEvent::Error.
• Lifecycle changes emit WindowEvent::OnStateChange.