223 lines
5.5 KiB
Factor
Executable File
223 lines
5.5 KiB
Factor
Executable File
! Copyright (C) 2006, 2007 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: arrays assocs io kernel math models namespaces
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prettyprint dlists sequences threads sequences words
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debugger ui.gadgets ui.gadgets.worlds ui.gadgets.tracks
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ui.gestures ui.backend ui.render continuations init combinators
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hashtables concurrency.flags sets ;
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IN: ui
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! Assoc mapping aliens to gadgets
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SYMBOL: windows
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SYMBOL: stop-after-last-window?
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: event-loop? ( -- ? )
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{
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{ [ stop-after-last-window? get not ] [ t ] }
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{ [ graft-queue dlist-empty? not ] [ t ] }
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{ [ windows get-global empty? not ] [ t ] }
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[ f ]
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} cond ;
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: event-loop ( -- ) [ event-loop? ] [ do-events ] [ ] while ;
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: window ( handle -- world ) windows get-global at ;
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: window-focus ( handle -- gadget ) window world-focus ;
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: register-window ( world handle -- )
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#! Add the new window just below the topmost window. Why?
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#! So that if the new window doesn't actually receive focus
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#! (eg, we're using focus follows mouse and the mouse is not
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#! in the new window when it appears) Factor doesn't get
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#! confused and send workspace operations to the new window,
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#! etc.
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swap 2array windows get-global push
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windows get-global dup length 1 >
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[ [ length 1- dup 1- ] keep exchange ] [ drop ] if ;
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: unregister-window ( handle -- )
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windows global [ [ first = not ] with filter ] change-at ;
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: raised-window ( world -- )
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windows get-global
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[ [ second eq? ] with find drop ] keep
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[ nth ] [ delete-nth ] [ nip ] 2tri push ;
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: focus-gestures ( new old -- )
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drop-prefix <reversed>
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T{ lose-focus } swap each-gesture
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T{ gain-focus } swap each-gesture ;
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: focus-world ( world -- )
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t over set-world-focused?
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dup raised-window
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focus-path f focus-gestures ;
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: unfocus-world ( world -- )
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f over set-world-focused?
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focus-path f swap focus-gestures ;
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M: world graft*
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dup (open-window)
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dup world-title over set-title
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request-focus ;
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: reset-world ( world -- )
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#! This is used when a window is being closed, but also
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#! when restoring saved worlds on image startup.
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dup world-fonts clear-assoc
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dup unfocus-world
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f swap set-world-handle ;
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M: world ungraft*
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dup free-fonts
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dup hand-clicked close-global
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dup hand-gadget close-global
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dup world-handle (close-window)
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reset-world ;
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: find-window ( quot -- world )
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windows get values
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[ gadget-child swap call ] with find-last nip ; inline
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SYMBOL: ui-hook
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: init-ui ( -- )
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<dlist> \ graft-queue set-global
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<dlist> \ layout-queue set-global
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V{ } clone windows set-global ;
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: restore-gadget-later ( gadget -- )
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dup gadget-graft-state {
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{ { f f } [ ] }
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{ { f t } [ ] }
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{ { t t } [
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{ f f } over set-gadget-graft-state
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] }
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{ { t f } [
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dup unqueue-graft
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{ f f } over set-gadget-graft-state
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] }
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} case graft-later ;
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: restore-gadget ( gadget -- )
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dup restore-gadget-later
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gadget-children [ restore-gadget ] each ;
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: restore-world ( world -- )
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dup reset-world restore-gadget ;
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: restore-windows ( -- )
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windows get [ values ] keep delete-all
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[ restore-world ] each
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forget-rollover ;
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: restore-windows? ( -- ? )
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windows get empty? not ;
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: update-hand ( world -- )
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dup hand-world get-global eq?
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[ hand-loc get-global swap move-hand ] [ drop ] if ;
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: layout-queued ( -- seq )
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[
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in-layout? on
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layout-queue [
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dup layout find-world [ , ] when*
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] dlist-slurp
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] { } make prune ;
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: redraw-worlds ( seq -- )
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[ dup update-hand draw-world ] each ;
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: notify ( gadget -- )
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dup gadget-graft-state
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dup first { f f } { t t } ?
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pick set-gadget-graft-state {
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{ { f t } [ dup activate-control graft* ] }
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{ { t f } [ dup deactivate-control ungraft* ] }
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} case ;
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: notify-queued ( -- )
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graft-queue [ notify ] dlist-slurp ;
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: update-ui ( -- )
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[ notify-queued layout-queued redraw-worlds ] assert-depth ;
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: ui-wait ( -- )
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10 sleep ;
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: ui-try ( quot -- ) [ ui-error ] recover ;
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SYMBOL: ui-thread
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: ui-running ( quot -- )
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t \ ui-running set-global
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[ f \ ui-running set-global ] [ ] cleanup ; inline
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: ui-running? ( -- ? )
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\ ui-running get-global ;
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: update-ui-loop ( -- )
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ui-running? ui-thread get-global self eq? and [
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ui-notify-flag get lower-flag
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[ update-ui ] ui-try
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update-ui-loop
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] when ;
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: start-ui-thread ( -- )
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[ self ui-thread set-global update-ui-loop ]
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"UI update" spawn drop ;
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: open-world-window ( world -- )
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dup pref-dim over set-gadget-dim dup relayout graft ;
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: open-window ( gadget title -- )
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>r [ 1 track, ] { 0 1 } make-track r>
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f <world> open-world-window ;
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: set-fullscreen? ( ? gadget -- )
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find-world set-fullscreen* ;
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: fullscreen? ( gadget -- ? )
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find-world fullscreen* ;
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: raise-window ( gadget -- )
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find-world raise-window* ;
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HOOK: close-window ui-backend ( gadget -- )
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M: object close-window
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find-world [ ungraft ] when* ;
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: start-ui ( -- )
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restore-windows? [
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restore-windows
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] [
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init-ui ui-hook get call
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] if
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notify-ui-thread start-ui-thread ;
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[
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f \ ui-running set-global
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<flag> ui-notify-flag set-global
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] "ui" add-init-hook
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HOOK: ui ui-backend ( -- )
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MAIN: ui
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: with-ui ( quot -- )
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ui-running? [
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call
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] [
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f windows set-global
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[
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ui-hook set
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stop-after-last-window? on
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ui
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] with-scope
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] if ;
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