factor/library/ui/world.factor

87 lines
2.3 KiB
Factor

! Copyright (C) 2005, 2006 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
IN: gadgets
USING: arrays errors freetype gadgets-frames generic hashtables
kernel math models namespaces opengl sequences ;
! The world gadget is the top level gadget that all (visible)
! gadgets are contained in. There is one world per top-level
! native window.
! fonts: mapping font tuples to sprite vectors
! handle: native resource
! loc: location of native window on the screen.
! we don't store this in the world's rect-loc, since the
! co-ordinate system might be different, and generally the
! UI code assumes that everything starts at { 0 0 }.
TUPLE: world
active?
gadget glass
title status
focus focused?
fonts handle
loc ;
SYMBOL: menu-mode?
: free-fonts ( world -- )
dup world-handle select-gl-context
world-fonts hash-values [ second free-sprites ] each ;
DEFER: request-focus
C: world ( gadget -- world )
f <model> over set-world-status
[ >r dup gadget-title r> set-world-title ] keep
{ { f set-world-gadget f @center } } make-frame*
t over set-gadget-root?
t over set-world-active?
H{ } clone over set-world-fonts
{ 0 0 } over set-world-loc
dup world-gadget request-focus ;
: find-world [ world? ] find-parent ;
M: world pref-dim*
delegate pref-dim* [ >fixnum ] map { 1024 768 } vmin ;
M: world graft*
dup dup world-title add-connection
dup dup world-status add-connection
model-changed ;
M: world ungraft*
dup
dup world-title remove-connection
dup world-status remove-connection ;
M: world model-changed
dup world-title model-value swap set-title ;
: focused-ancestors ( world -- seq )
world-focus parents <reversed> ;
: font-sprites ( font world -- pair )
world-fonts [ lookup-font V{ } clone 2array ] cache ;
: draw-string ( font string loc -- )
>r >r world get font-sprites first2 r> r> (draw-string) ;
M: world gadget-title world-gadget gadget-title ;
M: world layout*
dup delegate layout*
dup world-glass [
>r dup rect-dim r> set-layout-dim
] when* drop ;
: hide-glass ( world -- )
f menu-mode? set-global
dup world-glass [ unparent ] when*
f swap set-world-glass ;
: show-glass ( gadget world -- )
[ hide-glass ] keep
[ add-gadget ] 2keep
set-world-glass ;