factor/library/ui/ui.factor

177 lines
4.4 KiB
Factor

! Copyright (C) 2006 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
IN: gadgets
USING: arrays errors gadgets gadgets-frames gadgets-grids
gadgets-labels gadgets-panes gadgets-theme gadgets-viewports
generic hashtables io kernel math models namespaces prettyprint
queues sequences test threads ;
! Assoc mapping aliens to gadgets
SYMBOL: windows
: window ( handle -- world ) windows get-global assoc ;
: window-focus ( handle -- gadget ) window world-focus ;
: register-window ( world handle -- )
swap 2array windows get-global push ;
: unregister-window ( handle -- )
windows get-global
[ first = not ] subset-with
windows set-global ;
: raised-window ( world -- )
windows get-global [ second eq? ] find-with drop
windows get-global [ length 1- ] keep exchange ;
: update-hand ( gadget -- )
find-world [
dup hand-gadget get-global find-world eq?
[ hand-loc get-global swap move-hand ] [ drop ] if
] when* ;
: post-layout ( gadget -- )
find-world [ dup world-handle set ] when* ;
: layout-queued ( -- )
invalid dup queue-empty? [
drop
] [
deque dup layout post-layout layout-queued
] if ;
: init-ui ( -- )
<queue> \ invalid set-global
V{ } clone windows set-global ;
: ui-step ( -- )
[
do-timers
[ layout-queued ] make-hash hash-values [
dup update-hand
dup world-handle [ dup draw-world ] when
drop
] each
10 sleep
] assert-depth ;
: <status-bar> ( -- gadget ) "" <label> dup highlight-theme ;
TUPLE: titled-gadget title ;
M: titled-gadget gadget-title titled-gadget-title ;
M: titled-gadget focusable-child* gadget-child ;
C: titled-gadget ( gadget title -- )
[ set-titled-gadget-title ] keep
{ { f f f @center } } make-frame* ;
: init-status ( world -- )
dup world-status <label-control> dup highlight-theme
swap @bottom grid-add ;
: open-window ( gadget -- )
<world> dup init-status
dup pref-dim over set-gadget-dim
dup open-window*
draw-world ;
: open-titled-window ( gadget title -- )
<model> <titled-gadget> open-window ;
: find-window ( quot -- world )
windows get [ second ] map
[ world-gadget swap call ] find-last-with nip ; inline
: open-tool ( arg cons setter -- )
>r call dup open-window r> call ; inline
: call-tool ( arg pred cons setter -- )
rot find-window [
rot drop
dup raise-window
world-gadget swap call
] [
open-tool
] if* ; inline
: start-world ( world -- )
dup graft
dup relayout
world-gadget request-focus ;
: close-global ( world global -- )
dup get-global find-world rot eq?
[ f swap set-global ] [ drop ] if ;
: focus-world ( world -- )
#! Sent when native window receives focus
t over set-world-focused?
dup raised-window
focused-ancestors f focus-gestures ;
: unfocus-world ( world -- )
#! Sent when native window loses focus.
f over set-world-focused?
focused-ancestors f swap focus-gestures ;
: reset-world ( world -- )
dup unfocus-world
dup ungraft
f over set-world-focus
f over set-world-handle
world-fonts clear-hash ;
: close-world ( world -- )
dup hand-clicked close-global
dup hand-gadget close-global
dup free-fonts
reset-world ;
: restore-windows ( -- )
windows get [ [ second ] map ] keep delete-all
[ dup reset-world open-window* ] each
forget-rollover ;
: restore-windows? ( -- ? )
windows get [ empty? not ] [ f ] if* ;
: make-toolbar ( quot -- gadget )
{ } make make-shelf dup highlight-theme ; inline
: error-window ( error -- )
[ print-error ] make-pane "Error" open-titled-window ;
: ui-try ( quot -- )
[ error-window ] recover ;
TUPLE: world-error world ;
C: world-error ( error world -- error )
[ set-world-error-world ] keep
[ set-delegate ] keep ;
M: world-error error.
"An error occurred while drawing the world " write
dup world-error-world pprint-short "." print
"This world has been deactivated to prevent cascading errors." print
delegate error. ;
: draw-world ( world -- )
dup world-active? [
[
dup world set [
dup (draw-world)
] [
over <world-error> error-window
f over set-world-active?
] recover
] with-scope
] when drop ;
IN: shells
DEFER: ui