factor/library/ui/x11/events.factor

91 lines
2.8 KiB
Factor

! Copyright (C) 2005, 2006 Eduardo Cavazos and Slava Pestov
! See http://factorcode.org/license.txt for BSD license.
IN: x11
USING: alien arrays errors gadgets hashtables io kernel math
namespaces prettyprint sequences strings test threads ;
GENERIC: expose-event ( event window -- )
GENERIC: configure-event ( event window -- )
GENERIC: button-down-event ( event window -- )
GENERIC: button-up-event ( event window -- )
GENERIC: enter-event ( event window -- )
GENERIC: leave-event ( event window -- )
GENERIC: wheel-event ( event window -- )
GENERIC: motion-event ( event window -- )
GENERIC: key-down-event ( event window -- )
GENERIC: key-up-event ( event window -- )
GENERIC: focus-in-event ( event window -- )
GENERIC: focus-out-event ( event window -- )
GENERIC: selection-notify-event ( event window -- )
GENERIC: selection-request-event ( event window -- )
GENERIC: client-event ( event window -- )
: next-event ( -- event )
dpy get "XEvent" <c-object> dup >r XNextEvent drop r> ;
: mask-event ( mask -- event )
>r dpy get r> "XEvent" <c-object> dup >r XMaskEvent drop r> ;
: events-queued ( mode -- n ) >r dpy get r> XEventsQueued ;
: wait-event ( -- event )
QueuedAfterFlush events-queued 0 >
[ next-event ] [ ui-step wait-event ] if ;
: wheel? ( event -- ? ) XButtonEvent-button { 4 5 } member? ;
: button-down-event$ ( event window -- )
over wheel? [ wheel-event ] [ button-down-event ] if ;
: button-up-event$ ( event window -- )
over wheel? [ 2drop ] [ button-up-event ] if ;
: handle-event ( event window -- )
over XAnyEvent-type {
{ [ dup Expose = ] [ drop expose-event ] }
{ [ dup ConfigureNotify = ] [ drop configure-event ] }
{ [ dup ButtonPress = ] [ drop button-down-event$ ] }
{ [ dup ButtonRelease = ] [ drop button-up-event$ ] }
{ [ dup EnterNotify = ] [ drop enter-event ] }
{ [ dup LeaveNotify = ] [ drop leave-event ] }
{ [ dup MotionNotify = ] [ drop motion-event ] }
{ [ dup KeyPress = ] [ drop key-down-event ] }
{ [ dup KeyRelease = ] [ drop key-up-event ] }
{ [ dup FocusIn = ] [ drop focus-in-event ] }
{ [ dup FocusOut = ] [ drop focus-out-event ] }
{ [ dup SelectionNotify = ] [ drop selection-notify-event ] }
{ [ dup SelectionRequest = ] [ drop selection-request-event ] }
{ [ dup ClientMessage = ] [ drop client-event ] }
{ [ t ] [ 3drop ] }
} cond ;
: do-events ( -- )
wait-event dup XAnyEvent-window window dup
[ [ 2dup handle-event ] assert-depth ] when 2drop ;
: char-array>string ( n <char-array> -- string )
swap >string [ swap char-nth ] map-with ;
: buf-size 100 ;
: lookup-string ( event -- keysym string )
buf-size "char" <c-array> [
buf-size 0 <KeySym>
[ f XLookupString ] keep
*KeySym swap
] keep char-array>string ;