18.9 Sheet Notification Protocol

The notification protocol allows sheet clients to be notified when a sheet hierarchy is changed. Sheet clients can observe modification events by providing :after methods for functions defined by this protocol.

18.9.1 Relationship to Window System Change Notifications

note-sheet-grafted Generic Function

note-sheet-grafted sheet

note-sheet-degrafted Generic Function

note-sheet-degrafted sheet

note-sheet-adopted Generic Function

note-sheet-adopted sheet

note-sheet-disowned Generic Function

note-sheet-disowned sheet

note-sheet-enabled Generic Function

note-sheet-enabled sheet

note-sheet-disabled Generic Function

note-sheet-disabled sheet

Summary: These notification functions are invoked when a state change has been made to the sheet sheet.

18.9.2 Sheet Geometry Notifications

note-sheet-region-changed Generic Function

note-sheet-region-changed sheet

note-sheet-transformation-changed Generic Function

note-sheet-transformation-changed sheet

Summary: These notification functions are invoked when the region or transformation of the sheet sheet has been changed. When the regions and transformations of a sheet are changed directly, the client is required to call note-sheet-region-changed or note-sheet-transformation-changed.