75 lines
2.2 KiB
Factor
75 lines
2.2 KiB
Factor
! Copyright (C) 2005, 2006 Eduardo Cavazos and Slava Pestov
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! See http://factorcode.org/license.txt for BSD license.
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IN: x11
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USING: alien arrays errors gadgets hashtables io kernel math
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namespaces prettyprint sequences strings threads ;
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GENERIC: expose-event ( event window -- )
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GENERIC: resize-event ( event window -- )
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GENERIC: button-down-event ( event window -- )
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GENERIC: button-up-event ( event window -- )
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GENERIC: wheel-event ( event window -- )
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GENERIC: motion-event ( event window -- )
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GENERIC: key-down-event ( event window -- )
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GENERIC: key-up-event ( event window -- )
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GENERIC: client-event ( event window -- )
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: next-event ( -- event )
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dpy get "XEvent" <c-object> dup >r XNextEvent drop r> ;
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: mask-event ( mask -- event )
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>r dpy get r> "XEvent" <c-object> dup >r XMaskEvent drop r> ;
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: events-queued ( mode -- n ) >r dpy get r> XEventsQueued ;
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: wait-event ( -- event )
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QueuedAfterFlush events-queued 0 >
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[ next-event ] [ ui-step wait-event ] if ;
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: wheel? ( event -- ? ) XButtonEvent-button { 4 5 } member? ;
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: button-down-event$ ( event window -- )
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over wheel? [ wheel-event ] [ button-down-event ] if ;
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: button-up-event$ ( event window -- )
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over wheel? [ 2drop ] [ button-up-event ] if ;
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: handle-event ( event window -- )
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over XAnyEvent-type {
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{ [ dup Expose = ] [ drop expose-event ] }
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{ [ dup ConfigureNotify = ] [ drop resize-event ] }
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{ [ dup ButtonPress = ] [ drop button-down-event$ ] }
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{ [ dup ButtonRelease = ] [ drop button-up-event$ ] }
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{ [ dup MotionNotify = ] [ drop motion-event ] }
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{ [ dup KeyPress = ] [ drop key-down-event ] }
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{ [ dup KeyRelease = ] [ drop key-up-event ] }
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{ [ dup ClientMessage = ] [ drop client-event ] }
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{ [ t ] [ 3drop ] }
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} cond ;
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: event-loop ( -- )
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windows get hash-empty? [
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wait-event dup XAnyEvent-window windows get hash dup
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[ handle-event ] [ 2drop ] if event-loop
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] unless ;
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: char-array>string ( n <char-array> -- string )
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swap >string [ swap char-nth ] map-with ;
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: buf-size 100 ;
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: lookup-string ( event -- keysym string )
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buf-size "char" <c-array> [
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buf-size 0 <KeySym>
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[ f XLookupString ] keep
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*KeySym swap
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] keep char-array>string ;
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