factor/library/ui/ui.factor

194 lines
5.0 KiB
Factor

! Copyright (C) 2006 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
IN: gadgets
USING: arrays errors gadgets gadgets-buttons gadgets-frames
gadgets-grids gadgets-labels gadgets-panes gadgets-presentations
gadgets-scrolling gadgets-theme gadgets-viewports generic
hashtables io kernel math models namespaces prettyprint queues
sequences test threads help sequences words ;
! 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-world get-global 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 ;
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* ;
: open-window ( world -- )
dup pref-dim over set-gadget-dim
dup open-window* draw-world ;
: open-titled-window ( gadget title -- )
<model> <titled-gadget> <world> open-window ;
: find-window ( quot -- world )
windows get [ second ] map
[ world-gadget swap call ] find-last-with nip ; 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* ;
: <toolbar> ( target classes -- toolbar )
[ commands "toolbar" swap hash ] map concat
[ <command-button> ] map-with
make-shelf ;
: command-description ( command -- element )
dup command-name swap command-gesture gesture>string
2array ;
: commands. ( commands -- )
[ command-gesture key-down? ] subset
[ command-description ] map
{ { $strong "Command" } { $strong "Shortcut" } } add*
$table ;
: $commands ( elt -- )
first2 swap commands hash commands. ;
TUPLE: labelled-gadget content ;
C: labelled-gadget ( gadget title -- gadget )
{
{ [ <label> dup reverse-video-theme ] f f @top }
{ f set-labelled-gadget-content f @center }
} make-frame* ;
M: labelled-gadget focusable-child* labelled-gadget-content ;
: <labelled-pane> ( model quot title -- gadget )
>r <pane-control> <scroller> r> <labelled-gadget> ;
: pane-window ( quot title -- )
>r make-pane <scroller> r> open-titled-window ;
: error-window ( error -- )
[ print-error ] "Error" pane-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 -- ? )
#! We don't draw deactivated worlds, or those with 0 size.
#! On Windows, the latter case results in GL errors.
dup world-active? swap rect-dim [ zero? not ] all? and ;
: draw-world ( world -- )
dup draw-world? [
[
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