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tomo-old/window.go

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package tomo
import "image"
// Window represents a top-level container generated by the currently running
// backend. It can contain a single element. It is hidden by default, and must
// be explicitly shown with the Show() method. If it contains no element, it
// displays a black (or transprent) background.
type Window interface {
// Adopt sets the root element of the window. There can only be one of
// these at one time.
Adopt (child Element)
// Child returns the root element of the window.
Child () (child Element)
// SetTitle sets the title that appears on the window's title bar. This
// method might have no effect with some backends.
SetTitle (title string)
// SetIcon taks in a list different sizes of the same icon and selects
// the best one to display on the window title bar, dock, or whatever is
// applicable for the given backend. This method might have no effect
// for some backends.
SetIcon (sizes []image.Image)
// Show shows the window. The window starts off hidden, so this must be
// called after initial setup to make sure it is visible.
Show ()
// Hide hides the window.
Hide ()
// Close closes the window.
Close ()
// OnClose specifies a function to be called when the window is closed.
OnClose (func ())
}