register-window ( world handle -- )
Factor handbook » UI framework » Developing UI backends » UI backend window management

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Vocabulary
ui.private

Inputs

world	a world
handle	a backend-specific handle

Outputs
None

Word description
Adds a window to the global worlds variable.

Notes
This word should only be called by the UI backend. User code can open new windows with open-window.

Definition

USING: arrays kernel math namespaces sequences ;

IN: ui.private

: register-window ( world handle -- )
    swap 2array worlds get-global push
    worlds get-global dup length 1 >
    [ [ length 1 - dup 1 - ] keep exchange ] [ drop ] if ;