42 lines
1009 B
Factor
42 lines
1009 B
Factor
! Copyright (C) 2005 Slava Pestov.
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! See http://factor.sf.net/license.txt for BSD license.
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IN: gadgets
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USING: errors gadgets-layouts gadgets-listener gadgets-theme generic
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help io kernel listener lists math memory namespaces prettyprint
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sdl sequences shells styles threads words ;
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: init-world
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global [
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world get clear-gadget
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<gadget> dup solid-interior add-layer
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listener-application
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] bind ;
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SYMBOL: first-time
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global [
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<world> world set
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world get world-theme
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<hand> hand set
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@{ 800 600 0 }@ world get set-gadget-dim
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first-time on
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] bind
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: ?init-world
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first-time get [ init-world first-time off ] when ;
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: check-running
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world get [
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dup world-running?
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[ "The UI is already running" throw ] when
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] when* ;
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IN: shells
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: ui ( -- )
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#! Start the Factor graphics subsystem with the given screen
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#! dimensions.
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check-running
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world get rect-dim first2 0 SDL_RESIZABLE
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[ ?init-world run-world ] with-screen ;
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