factor/library/ui/world.factor

57 lines
1.5 KiB
Factor

! Copyright (C) 2005, 2006 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
IN: gadgets
USING: errors freetype gadgets-layouts generic hashtables kernel
namespaces opengl sequences ;
! The world gadget is the top level gadget that all (visible)
! gadgets are contained in.
! fonts: mapping font tuples to sprite vectors
! handle: native resource
TUPLE: world glass status focus fonts handle ;
: free-fonts ( world -- )
dup world-handle select-gl-context
world-fonts dup hash-values [ free-sprites ] each
clear-hash ;
: font-sprites ( font world -- sprites )
world-fonts [ drop V{ } clone ] cache ;
C: world ( gadget status dim -- world )
<stack> over set-delegate
t over set-gadget-root?
H{ } clone over set-world-fonts
[ set-gadget-dim ] keep
[ set-world-status ] keep
[ add-gadget ] keep ;
: hide-glass ( world -- )
dup world-glass unparent f swap set-world-glass ;
: <glass> ( gadget -- glass )
<gadget> 2dup add-gadget swap prefer ;
: show-glass ( gadget world -- )
dup hide-glass
>r <glass> r> 2dup add-gadget
set-world-glass ;
GENERIC: find-world ( gadget -- world )
M: f find-world ;
M: gadget find-world gadget-parent find-world ;
M: world find-world ;
: repaint ( gadget -- )
find-world [ world-handle [ repaint-handle ] when* ] when* ;
: focused-ancestors ( world -- seq )
world-focus parents reverse-slice ;
: simple-window ( gadget title -- )
>r f over pref-dim r> in-window ;